/* * * Copyright 2015 gRPC authors. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * */ #include #include "src/core/lib/security/credentials/credentials.h" #include #include #include #include #include "absl/strings/match.h" #include "absl/strings/str_cat.h" #include "absl/strings/str_format.h" #include "absl/strings/str_replace.h" #include #include #include #include #include #include #include "src/core/lib/gpr/env.h" #include "src/core/lib/gpr/string.h" #include "src/core/lib/gpr/tmpfile.h" #include "src/core/lib/gprpp/host_port.h" #include "src/core/lib/http/httpcli.h" #include "src/core/lib/iomgr/error.h" #include "src/core/lib/security/credentials/composite/composite_credentials.h" #include "src/core/lib/security/credentials/external/aws_external_account_credentials.h" #include "src/core/lib/security/credentials/external/external_account_credentials.h" #include "src/core/lib/security/credentials/external/file_external_account_credentials.h" #include "src/core/lib/security/credentials/external/url_external_account_credentials.h" #include "src/core/lib/security/credentials/fake/fake_credentials.h" #include "src/core/lib/security/credentials/google_default/google_default_credentials.h" #include "src/core/lib/security/credentials/jwt/jwt_credentials.h" #include "src/core/lib/security/credentials/oauth2/oauth2_credentials.h" #include "src/core/lib/security/transport/auth_filters.h" #include "src/core/lib/uri/uri_parser.h" #include "test/core/util/test_config.h" using grpc_core::internal::grpc_flush_cached_google_default_credentials; using grpc_core::internal::set_gce_tenancy_checker_for_testing; /* -- Constants. -- */ static const char test_google_iam_authorization_token[] = "blahblahblhahb"; static const char test_google_iam_authority_selector[] = "respectmyauthoritah"; static const char test_oauth2_bearer_token[] = "Bearer blaaslkdjfaslkdfasdsfasf"; /* This JSON key was generated with the GCE console and revoked immediately. The identifiers have been changed as well. Maximum size for a string literal is 509 chars in C89, yay! */ static const char test_json_key_str_part1[] = "{ \"private_key\": \"-----BEGIN PRIVATE KEY-----" "\\nMIICeAIBADANBgkqhkiG9w0BAQEFAASCAmIwggJeAgEAAoGBAOEvJsnoHnyHkXcp\\n7mJE" "qg" "WGjiw71NfXByguekSKho65FxaGbsnSM9SMQAqVk7Q2rG+I0OpsT0LrWQtZ\\nyjSeg/" "rWBQvS4hle4LfijkP3J5BG+" "IXDMP8RfziNRQsenAXDNPkY4kJCvKux2xdD\\nOnVF6N7dL3nTYZg+" "uQrNsMTz9UxVAgMBAAECgYEAzbLewe1xe9vy+2GoSsfib+28\\nDZgSE6Bu/" "zuFoPrRc6qL9p2SsnV7txrunTyJkkOnPLND9ABAXybRTlcVKP/sGgza\\n/" "8HpCqFYM9V8f34SBWfD4fRFT+n/" "73cfRUtGXdXpseva2lh8RilIQfPhNZAncenU\\ngqXjDvpkypEusgXAykECQQD+"; static const char test_json_key_str_part2[] = "53XxNVnxBHsYb+AYEfklR96yVi8HywjVHP34+OQZ\\nCslxoHQM8s+" "dBnjfScLu22JqkPv04xyxmt0QAKm9+vTdAkEA4ib7YvEAn2jXzcCI\\nEkoy2L/" "XydR1GCHoacdfdAwiL2npOdnbvi4ZmdYRPY1LSTO058tQHKVXV7NLeCa3\\nAARh2QJBAMKeDA" "G" "W303SQv2cZTdbeaLKJbB5drz3eo3j7dDKjrTD9JupixFbzcGw\\n8FZi5c8idxiwC36kbAL6Hz" "A" "ZoX+ofI0CQE6KCzPJTtYNqyShgKAZdJ8hwOcvCZtf\\n6z8RJm0+" "6YBd38lfh5j8mZd7aHFf6I17j5AQY7oPEc47TjJj/" "5nZ68ECQQDvYuI3\\nLyK5fS8g0SYbmPOL9TlcHDOqwG0mrX9qpg5DC2fniXNSrrZ64GTDKdzZ" "Y" "Ap6LI9W\\nIqv4vr6y38N79TTC\\n-----END PRIVATE KEY-----\\n\", "; static const char test_json_key_str_part3[] = "\"private_key_id\": \"e6b5137873db8d2ef81e06a47289e6434ec8a165\", " "\"client_email\": " "\"777-abaslkan11hlb6nmim3bpspl31ud@developer.gserviceaccount." "com\", \"client_id\": " "\"777-abaslkan11hlb6nmim3bpspl31ud.apps.googleusercontent." "com\", \"type\": \"service_account\" }"; /* Test refresh token. */ static const char test_refresh_token_str[] = "{ \"client_id\": \"32555999999.apps.googleusercontent.com\"," " \"client_secret\": \"EmssLNjJy1332hD4KFsecret\"," " \"refresh_token\": \"1/Blahblasj424jladJDSGNf-u4Sua3HDA2ngjd42\"," " \"type\": \"authorized_user\"}"; static const char valid_oauth2_json_response[] = "{\"access_token\":\"ya29.AHES6ZRN3-HlhAPya30GnW_bHSb_\"," " \"expires_in\":3599, " " \"token_type\":\"Bearer\"}"; static const char valid_sts_json_response[] = "{\"access_token\":\"ya29.AHES6ZRN3-HlhAPya30GnW_bHSb_\"," " \"expires_in\":3599, " " \"issued_token_type\":\"urn:ietf:params:oauth:token-type:access_token\", " " \"token_type\":\"Bearer\"}"; static const char test_scope[] = "perm1 perm2"; static const char test_signed_jwt[] = "eyJhbGciOiJSUzI1NiIsInR5cCI6IkpXVCIsImtpZCI6ImY0OTRkN2M1YWU2MGRmOTcyNmM4YW" "U0MDcyZTViYTdmZDkwODg2YzcifQ"; static const char test_signed_jwt_token_type[] = "urn:ietf:params:oauth:token-type:id_token"; static const char test_signed_jwt2[] = "eyJhbGciOiJSUzI1NiIsInR5cCI6IkpXVCIsImtpZCI6ImY0OTRkN2M1YWU2MGRmOTcyNmM5YW" "U2MDcyZTViYTdnZDkwODg5YzcifQ"; static const char test_signed_jwt_token_type2[] = "urn:ietf:params:oauth:token-type:jwt"; static const char test_signed_jwt_path_prefix[] = "test_sign_jwt"; static const char test_service_url[] = "https://foo.com/foo.v1"; static const char other_test_service_url[] = "https://bar.com/bar.v1"; static const char test_sts_endpoint_url[] = "https://foo.com:5555/v1/token-exchange"; static const char test_method[] = "ThisIsNotAMethod"; static const char valid_external_account_creds_token_exchange_response[] = "{\"access_token\":\"token_exchange_access_token\"," " \"expires_in\":3599," " \"token_type\":\"Bearer\"}"; static const char valid_external_account_creds_service_account_impersonation_response[] = "{\"accessToken\":\"service_account_impersonation_access_token\"," " \"expireTime\":\"2050-01-01T00:00:00Z\"}"; static const char valid_url_external_account_creds_options_credential_source_format_text[] = "{\"url\":\"https://foo.com:5555/generate_subject_token_format_text\"," "\"headers\":{\"Metadata-Flavor\":\"Google\"}}"; static const char valid_url_external_account_creds_options_credential_source_with_qurey_params_format_text [] = "{\"url\":\"https://foo.com:5555/" "path/to/url/creds?p1=v1&p2=v2\"," "\"headers\":{\"Metadata-Flavor\":\"Google\"}}"; static const char valid_url_external_account_creds_retrieve_subject_token_response_format_text [] = "test_subject_token"; static const char valid_url_external_account_creds_options_credential_source_format_json[] = "{\"url\":\"https://foo.com:5555/generate_subject_token_format_json\"," "\"headers\":{\"Metadata-Flavor\":\"Google\"}," "\"format\":{\"type\":\"json\",\"subject_token_field_name\":\"access_" "token\"}}"; static const char valid_url_external_account_creds_retrieve_subject_token_response_format_json [] = "{\"access_token\":\"test_subject_token\"}"; static const char invalid_url_external_account_creds_options_credential_source[] = "{\"url\":\"invalid_credential_source_url\"," "\"headers\":{\"Metadata-Flavor\":\"Google\"}}"; static const char valid_aws_external_account_creds_retrieve_signing_keys_response[] = "{\"AccessKeyId\":\"test_access_key_id\",\"SecretAccessKey\":" "\"test_secret_access_key\",\"Token\":\"test_token\"}"; static const char valid_aws_external_account_creds_options_credential_source[] = "{\"environment_id\":\"aws1\"," "\"region_url\":\"https://foo.com:5555/region_url\"," "\"url\":\"https://foo.com:5555/url\"," "\"regional_cred_verification_url\":\"https://foo.com:5555/" "regional_cred_verification_url_{region}\"}"; static const char invalid_aws_external_account_creds_options_credential_source_unmatched_environment_id [] = "{\"environment_id\":\"unsupported_aws_version\"," "\"region_url\":\"https://foo.com:5555/region_url\"," "\"url\":\"https://foo.com:5555/url\"," "\"regional_cred_verification_url\":\"https://foo.com:5555/" "regional_cred_verification_url_{region}\"}"; static const char invalid_aws_external_account_creds_options_credential_source_invalid_region_url [] = "{\"environment_id\":\"aws1\"," "\"region_url\":\"invalid_region_url\"," "\"url\":\"https://foo.com:5555/url\"," "\"regional_cred_verification_url\":\"https://foo.com:5555/" "regional_cred_verification_url_{region}\"}"; static const char invalid_aws_external_account_creds_options_credential_source_invalid_url[] = "{\"environment_id\":\"aws1\"," "\"region_url\":\"https://foo.com:5555/region_url\"," "\"url\":\"invalid_url\"," "\"regional_cred_verification_url\":\"https://foo.com:5555/" "regional_cred_verification_url_{region}\"}"; static const char invalid_aws_external_account_creds_options_credential_source_missing_role_name [] = "{\"environment_id\":\"aws1\"," "\"region_url\":\"https://foo.com:5555/region_url\"," "\"url\":\"https://foo.com:5555/url_no_role_name\"," "\"regional_cred_verification_url\":\"https://foo.com:5555/" "regional_cred_verification_url_{region}\"}"; static const char invalid_aws_external_account_creds_options_credential_source_invalid_regional_cred_verification_url [] = "{\"environment_id\":\"aws1\"," "\"region_url\":\"https://foo.com:5555/region_url\"," "\"url\":\"https://foo.com:5555/url_no_role_name\"," "\"regional_cred_verification_url\":\"invalid_regional_cred_" "verification_url\"}"; /* -- Global state flags. -- */ static bool g_test_is_on_gce = false; static bool g_test_gce_tenancy_checker_called = false; /* -- Utils. -- */ static char* test_json_key_str(void) { size_t result_len = strlen(test_json_key_str_part1) + strlen(test_json_key_str_part2) + strlen(test_json_key_str_part3); char* result = static_cast(gpr_malloc(result_len + 1)); char* current = result; strcpy(result, test_json_key_str_part1); current += strlen(test_json_key_str_part1); strcpy(current, test_json_key_str_part2); current += strlen(test_json_key_str_part2); strcpy(current, test_json_key_str_part3); return result; } static grpc_httpcli_response http_response(int status, const char* body) { grpc_httpcli_response response; response = {}; response.status = status; response.body = gpr_strdup(const_cast(body)); response.body_length = strlen(body); return response; } /* -- Tests. -- */ static void test_empty_md_array(void) { grpc_core::ExecCtx exec_ctx; grpc_credentials_mdelem_array md_array; md_array = {}; GPR_ASSERT(md_array.md == nullptr); GPR_ASSERT(md_array.size == 0); grpc_credentials_mdelem_array_destroy(&md_array); } static void test_add_to_empty_md_array(void) { grpc_core::ExecCtx exec_ctx; grpc_credentials_mdelem_array md_array; md_array = {}; const char* key = "hello"; const char* value = "there blah blah blah blah blah blah blah"; grpc_mdelem md = grpc_mdelem_from_slices( grpc_slice_from_copied_string(key), grpc_slice_from_copied_string(value)); grpc_credentials_mdelem_array_add(&md_array, md); GPR_ASSERT(md_array.size == 1); GPR_ASSERT(grpc_mdelem_eq(md, md_array.md[0])); GRPC_MDELEM_UNREF(md); grpc_credentials_mdelem_array_destroy(&md_array); } static void test_add_abunch_to_md_array(void) { grpc_core::ExecCtx exec_ctx; grpc_credentials_mdelem_array md_array; md_array = {}; const char* key = "hello"; const char* value = "there blah blah blah blah blah blah blah"; grpc_mdelem md = grpc_mdelem_from_slices( grpc_slice_from_copied_string(key), grpc_slice_from_copied_string(value)); size_t num_entries = 1000; for (size_t i = 0; i < num_entries; ++i) { grpc_credentials_mdelem_array_add(&md_array, md); } for (size_t i = 0; i < num_entries; ++i) { GPR_ASSERT(grpc_mdelem_eq(md_array.md[i], md)); } GRPC_MDELEM_UNREF(md); grpc_credentials_mdelem_array_destroy(&md_array); } static void test_oauth2_token_fetcher_creds_parsing_ok(void) { grpc_core::ExecCtx exec_ctx; grpc_mdelem token_md = GRPC_MDNULL; grpc_millis token_lifetime; grpc_httpcli_response response = http_response(200, valid_oauth2_json_response); GPR_ASSERT(grpc_oauth2_token_fetcher_credentials_parse_server_response( &response, &token_md, &token_lifetime) == GRPC_CREDENTIALS_OK); GPR_ASSERT(token_lifetime == 3599 * GPR_MS_PER_SEC); GPR_ASSERT(grpc_slice_str_cmp(GRPC_MDKEY(token_md), "authorization") == 0); GPR_ASSERT(grpc_slice_str_cmp(GRPC_MDVALUE(token_md), "Bearer ya29.AHES6ZRN3-HlhAPya30GnW_bHSb_") == 0); GRPC_MDELEM_UNREF(token_md); grpc_http_response_destroy(&response); } static void test_oauth2_token_fetcher_creds_parsing_bad_http_status(void) { grpc_core::ExecCtx exec_ctx; grpc_mdelem token_md = GRPC_MDNULL; grpc_millis token_lifetime; grpc_httpcli_response response = http_response(401, valid_oauth2_json_response); GPR_ASSERT(grpc_oauth2_token_fetcher_credentials_parse_server_response( &response, &token_md, &token_lifetime) == GRPC_CREDENTIALS_ERROR); grpc_http_response_destroy(&response); } static void test_oauth2_token_fetcher_creds_parsing_empty_http_body(void) { grpc_core::ExecCtx exec_ctx; grpc_mdelem token_md = GRPC_MDNULL; grpc_millis token_lifetime; grpc_httpcli_response response = http_response(200, ""); GPR_ASSERT(grpc_oauth2_token_fetcher_credentials_parse_server_response( &response, &token_md, &token_lifetime) == GRPC_CREDENTIALS_ERROR); grpc_http_response_destroy(&response); } static void test_oauth2_token_fetcher_creds_parsing_invalid_json(void) { grpc_core::ExecCtx exec_ctx; grpc_mdelem token_md = GRPC_MDNULL; grpc_millis token_lifetime; grpc_httpcli_response response = http_response(200, "{\"access_token\":\"ya29.AHES6ZRN3-HlhAPya30GnW_bHSb_\"," " \"expires_in\":3599, " " \"token_type\":\"Bearer\""); GPR_ASSERT(grpc_oauth2_token_fetcher_credentials_parse_server_response( &response, &token_md, &token_lifetime) == GRPC_CREDENTIALS_ERROR); grpc_http_response_destroy(&response); } static void test_oauth2_token_fetcher_creds_parsing_missing_token(void) { grpc_core::ExecCtx exec_ctx; grpc_mdelem token_md = GRPC_MDNULL; grpc_millis token_lifetime; grpc_httpcli_response response = http_response(200, "{" " \"expires_in\":3599, " " \"token_type\":\"Bearer\"}"); GPR_ASSERT(grpc_oauth2_token_fetcher_credentials_parse_server_response( &response, &token_md, &token_lifetime) == GRPC_CREDENTIALS_ERROR); grpc_http_response_destroy(&response); } static void test_oauth2_token_fetcher_creds_parsing_missing_token_type(void) { grpc_core::ExecCtx exec_ctx; grpc_mdelem token_md = GRPC_MDNULL; grpc_millis token_lifetime; grpc_httpcli_response response = http_response(200, "{\"access_token\":\"ya29.AHES6ZRN3-HlhAPya30GnW_bHSb_\"," " \"expires_in\":3599, " "}"); GPR_ASSERT(grpc_oauth2_token_fetcher_credentials_parse_server_response( &response, &token_md, &token_lifetime) == GRPC_CREDENTIALS_ERROR); grpc_http_response_destroy(&response); } static void test_oauth2_token_fetcher_creds_parsing_missing_token_lifetime( void) { grpc_core::ExecCtx exec_ctx; grpc_mdelem token_md = GRPC_MDNULL; grpc_millis token_lifetime; grpc_httpcli_response response = http_response(200, "{\"access_token\":\"ya29.AHES6ZRN3-HlhAPya30GnW_bHSb_\"," " \"token_type\":\"Bearer\"}"); GPR_ASSERT(grpc_oauth2_token_fetcher_credentials_parse_server_response( &response, &token_md, &token_lifetime) == GRPC_CREDENTIALS_ERROR); grpc_http_response_destroy(&response); } typedef struct { const char* key; const char* value; } expected_md; typedef struct { grpc_error_handle expected_error; const expected_md* expected; size_t expected_size; grpc_credentials_mdelem_array md_array; grpc_closure on_request_metadata; grpc_call_credentials* creds; grpc_polling_entity pollent; } request_metadata_state; static void check_metadata(const expected_md* expected, grpc_credentials_mdelem_array* md_array) { for (size_t i = 0; i < md_array->size; ++i) { size_t j; for (j = 0; j < md_array->size; ++j) { if (0 == grpc_slice_str_cmp(GRPC_MDKEY(md_array->md[j]), expected[i].key)) { GPR_ASSERT(grpc_slice_str_cmp(GRPC_MDVALUE(md_array->md[j]), expected[i].value) == 0); break; } } if (j == md_array->size) { gpr_log(GPR_ERROR, "key %s not found", expected[i].key); GPR_ASSERT(0); } } } static void check_request_metadata(void* arg, grpc_error_handle error) { request_metadata_state* state = static_cast(arg); gpr_log(GPR_INFO, "expected_error: %s", grpc_error_std_string(state->expected_error).c_str()); gpr_log(GPR_INFO, "actual_error: %s", grpc_error_std_string(error).c_str()); if (state->expected_error == GRPC_ERROR_NONE) { GPR_ASSERT(error == GRPC_ERROR_NONE); } else { grpc_slice expected_error; GPR_ASSERT(grpc_error_get_str(state->expected_error, GRPC_ERROR_STR_DESCRIPTION, &expected_error)); grpc_slice actual_error; GPR_ASSERT( grpc_error_get_str(error, GRPC_ERROR_STR_DESCRIPTION, &actual_error)); GPR_ASSERT(grpc_slice_cmp(expected_error, actual_error) == 0); GRPC_ERROR_UNREF(state->expected_error); } gpr_log(GPR_INFO, "expected_size=%" PRIdPTR " actual_size=%" PRIdPTR, state->expected_size, state->md_array.size); GPR_ASSERT(state->md_array.size == state->expected_size); check_metadata(state->expected, &state->md_array); grpc_credentials_mdelem_array_destroy(&state->md_array); grpc_pollset_set_destroy(grpc_polling_entity_pollset_set(&state->pollent)); gpr_free(state); } static request_metadata_state* make_request_metadata_state( grpc_error_handle expected_error, const expected_md* expected, size_t expected_size) { request_metadata_state* state = static_cast(gpr_zalloc(sizeof(*state))); state->expected_error = expected_error; state->expected = expected; state->expected_size = expected_size; state->pollent = grpc_polling_entity_create_from_pollset_set(grpc_pollset_set_create()); GRPC_CLOSURE_INIT(&state->on_request_metadata, check_request_metadata, state, grpc_schedule_on_exec_ctx); return state; } static void run_request_metadata_test(grpc_call_credentials* creds, grpc_auth_metadata_context auth_md_ctx, request_metadata_state* state) { grpc_error_handle error = GRPC_ERROR_NONE; if (creds->get_request_metadata(&state->pollent, auth_md_ctx, &state->md_array, &state->on_request_metadata, &error)) { // Synchronous result. Invoke the callback directly. check_request_metadata(state, error); GRPC_ERROR_UNREF(error); } } static void test_google_iam_creds(void) { grpc_core::ExecCtx exec_ctx; expected_md emd[] = {{GRPC_IAM_AUTHORIZATION_TOKEN_METADATA_KEY, test_google_iam_authorization_token}, {GRPC_IAM_AUTHORITY_SELECTOR_METADATA_KEY, test_google_iam_authority_selector}}; request_metadata_state* state = make_request_metadata_state(GRPC_ERROR_NONE, emd, GPR_ARRAY_SIZE(emd)); grpc_call_credentials* creds = grpc_google_iam_credentials_create( test_google_iam_authorization_token, test_google_iam_authority_selector, nullptr); /* Check security level. */ GPR_ASSERT(creds->min_security_level() == GRPC_PRIVACY_AND_INTEGRITY); grpc_auth_metadata_context auth_md_ctx = {test_service_url, test_method, nullptr, nullptr}; run_request_metadata_test(creds, auth_md_ctx, state); creds->Unref(); } static void test_access_token_creds(void) { grpc_core::ExecCtx exec_ctx; expected_md emd[] = {{GRPC_AUTHORIZATION_METADATA_KEY, "Bearer blah"}}; request_metadata_state* state = make_request_metadata_state(GRPC_ERROR_NONE, emd, GPR_ARRAY_SIZE(emd)); grpc_call_credentials* creds = grpc_access_token_credentials_create("blah", nullptr); grpc_auth_metadata_context auth_md_ctx = {test_service_url, test_method, nullptr, nullptr}; GPR_ASSERT(strcmp(creds->type(), GRPC_CALL_CREDENTIALS_TYPE_OAUTH2) == 0); /* Check security level. */ GPR_ASSERT(creds->min_security_level() == GRPC_PRIVACY_AND_INTEGRITY); run_request_metadata_test(creds, auth_md_ctx, state); creds->Unref(); } namespace { class check_channel_oauth2 final : public grpc_channel_credentials { public: check_channel_oauth2() : grpc_channel_credentials("mock") {} ~check_channel_oauth2() override = default; grpc_core::RefCountedPtr create_security_connector( grpc_core::RefCountedPtr call_creds, const char* /*target*/, const grpc_channel_args* /*args*/, grpc_channel_args** /*new_args*/) override { GPR_ASSERT(strcmp(type(), "mock") == 0); GPR_ASSERT(call_creds != nullptr); GPR_ASSERT(strcmp(call_creds->type(), GRPC_CALL_CREDENTIALS_TYPE_OAUTH2) == 0); return nullptr; } }; } // namespace static void test_channel_oauth2_composite_creds(void) { grpc_core::ExecCtx exec_ctx; grpc_channel_args* new_args; grpc_channel_credentials* channel_creds = new check_channel_oauth2(); grpc_call_credentials* oauth2_creds = grpc_access_token_credentials_create("blah", nullptr); grpc_channel_credentials* channel_oauth2_creds = grpc_composite_channel_credentials_create(channel_creds, oauth2_creds, nullptr); grpc_channel_credentials_release(channel_creds); grpc_call_credentials_release(oauth2_creds); channel_oauth2_creds->create_security_connector(nullptr, nullptr, nullptr, &new_args); grpc_channel_credentials_release(channel_oauth2_creds); } static void test_oauth2_google_iam_composite_creds(void) { grpc_core::ExecCtx exec_ctx; expected_md emd[] = { {GRPC_AUTHORIZATION_METADATA_KEY, test_oauth2_bearer_token}, {GRPC_IAM_AUTHORIZATION_TOKEN_METADATA_KEY, test_google_iam_authorization_token}, {GRPC_IAM_AUTHORITY_SELECTOR_METADATA_KEY, test_google_iam_authority_selector}}; request_metadata_state* state = make_request_metadata_state(GRPC_ERROR_NONE, emd, GPR_ARRAY_SIZE(emd)); grpc_auth_metadata_context auth_md_ctx = {test_service_url, test_method, nullptr, nullptr}; grpc_call_credentials* oauth2_creds = grpc_md_only_test_credentials_create( "authorization", test_oauth2_bearer_token, false); /* Check security level of fake credentials. */ GPR_ASSERT(oauth2_creds->min_security_level() == GRPC_SECURITY_NONE); grpc_call_credentials* google_iam_creds = grpc_google_iam_credentials_create( test_google_iam_authorization_token, test_google_iam_authority_selector, nullptr); grpc_call_credentials* composite_creds = grpc_composite_call_credentials_create(oauth2_creds, google_iam_creds, nullptr); /* Check security level of composite credentials. */ GPR_ASSERT(composite_creds->min_security_level() == GRPC_PRIVACY_AND_INTEGRITY); oauth2_creds->Unref(); google_iam_creds->Unref(); GPR_ASSERT(strcmp(composite_creds->type(), GRPC_CALL_CREDENTIALS_TYPE_COMPOSITE) == 0); const grpc_composite_call_credentials::CallCredentialsList& creds_list = static_cast(composite_creds) ->inner(); GPR_ASSERT(creds_list.size() == 2); GPR_ASSERT(strcmp(creds_list[0]->type(), GRPC_CALL_CREDENTIALS_TYPE_OAUTH2) == 0); GPR_ASSERT(strcmp(creds_list[1]->type(), GRPC_CALL_CREDENTIALS_TYPE_IAM) == 0); run_request_metadata_test(composite_creds, auth_md_ctx, state); composite_creds->Unref(); } namespace { class check_channel_oauth2_google_iam final : public grpc_channel_credentials { public: check_channel_oauth2_google_iam() : grpc_channel_credentials("mock") {} ~check_channel_oauth2_google_iam() override = default; grpc_core::RefCountedPtr create_security_connector( grpc_core::RefCountedPtr call_creds, const char* /*target*/, const grpc_channel_args* /*args*/, grpc_channel_args** /*new_args*/) override { GPR_ASSERT(strcmp(type(), "mock") == 0); GPR_ASSERT(call_creds != nullptr); GPR_ASSERT( strcmp(call_creds->type(), GRPC_CALL_CREDENTIALS_TYPE_COMPOSITE) == 0); const grpc_composite_call_credentials::CallCredentialsList& creds_list = static_cast(call_creds.get()) ->inner(); GPR_ASSERT( strcmp(creds_list[0]->type(), GRPC_CALL_CREDENTIALS_TYPE_OAUTH2) == 0); GPR_ASSERT(strcmp(creds_list[1]->type(), GRPC_CALL_CREDENTIALS_TYPE_IAM) == 0); return nullptr; } }; } // namespace static void test_channel_oauth2_google_iam_composite_creds(void) { grpc_core::ExecCtx exec_ctx; grpc_channel_args* new_args; grpc_channel_credentials* channel_creds = new check_channel_oauth2_google_iam(); grpc_call_credentials* oauth2_creds = grpc_access_token_credentials_create("blah", nullptr); grpc_channel_credentials* channel_oauth2_creds = grpc_composite_channel_credentials_create(channel_creds, oauth2_creds, nullptr); grpc_call_credentials* google_iam_creds = grpc_google_iam_credentials_create( test_google_iam_authorization_token, test_google_iam_authority_selector, nullptr); grpc_channel_credentials* channel_oauth2_iam_creds = grpc_composite_channel_credentials_create(channel_oauth2_creds, google_iam_creds, nullptr); grpc_channel_credentials_release(channel_creds); grpc_call_credentials_release(oauth2_creds); grpc_channel_credentials_release(channel_oauth2_creds); grpc_call_credentials_release(google_iam_creds); channel_oauth2_iam_creds->create_security_connector(nullptr, nullptr, nullptr, &new_args); grpc_channel_credentials_release(channel_oauth2_iam_creds); } static void validate_compute_engine_http_request( const grpc_httpcli_request* request) { GPR_ASSERT(request->handshaker != &grpc_httpcli_ssl); GPR_ASSERT(strcmp(request->host, "metadata.google.internal.") == 0); GPR_ASSERT( strcmp(request->http.path, "/computeMetadata/v1/instance/service-accounts/default/token") == 0); GPR_ASSERT(request->http.hdr_count == 1); GPR_ASSERT(strcmp(request->http.hdrs[0].key, "Metadata-Flavor") == 0); GPR_ASSERT(strcmp(request->http.hdrs[0].value, "Google") == 0); } static int compute_engine_httpcli_get_success_override( const grpc_httpcli_request* request, grpc_millis /*deadline*/, grpc_closure* on_done, grpc_httpcli_response* response) { validate_compute_engine_http_request(request); *response = http_response(200, valid_oauth2_json_response); grpc_core::ExecCtx::Run(DEBUG_LOCATION, on_done, GRPC_ERROR_NONE); return 1; } static int compute_engine_httpcli_get_failure_override( const grpc_httpcli_request* request, grpc_millis /*deadline*/, grpc_closure* on_done, grpc_httpcli_response* response) { validate_compute_engine_http_request(request); *response = http_response(403, "Not Authorized."); grpc_core::ExecCtx::Run(DEBUG_LOCATION, on_done, GRPC_ERROR_NONE); return 1; } static int httpcli_post_should_not_be_called( const grpc_httpcli_request* /*request*/, const char* /*body_bytes*/, size_t /*body_size*/, grpc_millis /*deadline*/, grpc_closure* /*on_done*/, grpc_httpcli_response* /*response*/) { GPR_ASSERT("HTTP POST should not be called" == nullptr); return 1; } static int httpcli_get_should_not_be_called( const grpc_httpcli_request* /*request*/, grpc_millis /*deadline*/, grpc_closure* /*on_done*/, grpc_httpcli_response* /*response*/) { GPR_ASSERT("HTTP GET should not be called" == nullptr); return 1; } static void test_compute_engine_creds_success() { grpc_core::ExecCtx exec_ctx; expected_md emd[] = { {"authorization", "Bearer ya29.AHES6ZRN3-HlhAPya30GnW_bHSb_"}}; const char expected_creds_debug_string[] = "GoogleComputeEngineTokenFetcherCredentials{" "OAuth2TokenFetcherCredentials}"; grpc_call_credentials* creds = grpc_google_compute_engine_credentials_create(nullptr); grpc_auth_metadata_context auth_md_ctx = {test_service_url, test_method, nullptr, nullptr}; /* Check security level. */ GPR_ASSERT(creds->min_security_level() == GRPC_PRIVACY_AND_INTEGRITY); /* First request: http get should be called. */ request_metadata_state* state = make_request_metadata_state(GRPC_ERROR_NONE, emd, GPR_ARRAY_SIZE(emd)); grpc_httpcli_set_override(compute_engine_httpcli_get_success_override, httpcli_post_should_not_be_called); run_request_metadata_test(creds, auth_md_ctx, state); grpc_core::ExecCtx::Get()->Flush(); /* Second request: the cached token should be served directly. */ state = make_request_metadata_state(GRPC_ERROR_NONE, emd, GPR_ARRAY_SIZE(emd)); grpc_httpcli_set_override(httpcli_get_should_not_be_called, httpcli_post_should_not_be_called); run_request_metadata_test(creds, auth_md_ctx, state); grpc_core::ExecCtx::Get()->Flush(); GPR_ASSERT( strcmp(creds->debug_string().c_str(), expected_creds_debug_string) == 0); creds->Unref(); grpc_httpcli_set_override(nullptr, nullptr); } static void test_compute_engine_creds_failure(void) { grpc_core::ExecCtx exec_ctx; const char expected_creds_debug_string[] = "GoogleComputeEngineTokenFetcherCredentials{" "OAuth2TokenFetcherCredentials}"; request_metadata_state* state = make_request_metadata_state( GRPC_ERROR_CREATE_FROM_STATIC_STRING( "Error occurred when fetching oauth2 token."), nullptr, 0); grpc_auth_metadata_context auth_md_ctx = {test_service_url, test_method, nullptr, nullptr}; grpc_call_credentials* creds = grpc_google_compute_engine_credentials_create(nullptr); grpc_httpcli_set_override(compute_engine_httpcli_get_failure_override, httpcli_post_should_not_be_called); run_request_metadata_test(creds, auth_md_ctx, state); GPR_ASSERT( strcmp(creds->debug_string().c_str(), expected_creds_debug_string) == 0); creds->Unref(); grpc_httpcli_set_override(nullptr, nullptr); } static void validate_refresh_token_http_request( const grpc_httpcli_request* request, const char* body, size_t body_size) { /* The content of the assertion is tested extensively in json_token_test. */ GPR_ASSERT(body != nullptr); GPR_ASSERT(body_size != 0); std::string expected_body = absl::StrFormat( GRPC_REFRESH_TOKEN_POST_BODY_FORMAT_STRING, "32555999999.apps.googleusercontent.com", "EmssLNjJy1332hD4KFsecret", "1/Blahblasj424jladJDSGNf-u4Sua3HDA2ngjd42"); GPR_ASSERT(expected_body.size() == body_size); GPR_ASSERT(memcmp(expected_body.data(), body, body_size) == 0); GPR_ASSERT(request->handshaker == &grpc_httpcli_ssl); GPR_ASSERT(strcmp(request->host, GRPC_GOOGLE_OAUTH2_SERVICE_HOST) == 0); GPR_ASSERT( strcmp(request->http.path, GRPC_GOOGLE_OAUTH2_SERVICE_TOKEN_PATH) == 0); GPR_ASSERT(request->http.hdr_count == 1); GPR_ASSERT(strcmp(request->http.hdrs[0].key, "Content-Type") == 0); GPR_ASSERT(strcmp(request->http.hdrs[0].value, "application/x-www-form-urlencoded") == 0); } static int refresh_token_httpcli_post_success( const grpc_httpcli_request* request, const char* body, size_t body_size, grpc_millis /*deadline*/, grpc_closure* on_done, grpc_httpcli_response* response) { validate_refresh_token_http_request(request, body, body_size); *response = http_response(200, valid_oauth2_json_response); grpc_core::ExecCtx::Run(DEBUG_LOCATION, on_done, GRPC_ERROR_NONE); return 1; } static int token_httpcli_post_failure(const grpc_httpcli_request* /*request*/, const char* /*body*/, size_t /*body_size*/, grpc_millis /*deadline*/, grpc_closure* on_done, grpc_httpcli_response* response) { *response = http_response(403, "Not Authorized."); grpc_core::ExecCtx::Run(DEBUG_LOCATION, on_done, GRPC_ERROR_NONE); return 1; } static void test_refresh_token_creds_success(void) { grpc_core::ExecCtx exec_ctx; expected_md emd[] = { {"authorization", "Bearer ya29.AHES6ZRN3-HlhAPya30GnW_bHSb_"}}; const char expected_creds_debug_string[] = "GoogleRefreshToken{ClientID:32555999999.apps.googleusercontent.com," "OAuth2TokenFetcherCredentials}"; grpc_auth_metadata_context auth_md_ctx = {test_service_url, test_method, nullptr, nullptr}; grpc_call_credentials* creds = grpc_google_refresh_token_credentials_create( test_refresh_token_str, nullptr); /* Check security level. */ GPR_ASSERT(creds->min_security_level() == GRPC_PRIVACY_AND_INTEGRITY); /* First request: http put should be called. */ request_metadata_state* state = make_request_metadata_state(GRPC_ERROR_NONE, emd, GPR_ARRAY_SIZE(emd)); grpc_httpcli_set_override(httpcli_get_should_not_be_called, refresh_token_httpcli_post_success); run_request_metadata_test(creds, auth_md_ctx, state); grpc_core::ExecCtx::Get()->Flush(); /* Second request: the cached token should be served directly. */ state = make_request_metadata_state(GRPC_ERROR_NONE, emd, GPR_ARRAY_SIZE(emd)); grpc_httpcli_set_override(httpcli_get_should_not_be_called, httpcli_post_should_not_be_called); run_request_metadata_test(creds, auth_md_ctx, state); grpc_core::ExecCtx::Get()->Flush(); GPR_ASSERT( strcmp(creds->debug_string().c_str(), expected_creds_debug_string) == 0); creds->Unref(); grpc_httpcli_set_override(nullptr, nullptr); } static void test_refresh_token_creds_failure(void) { grpc_core::ExecCtx exec_ctx; const char expected_creds_debug_string[] = "GoogleRefreshToken{ClientID:32555999999.apps.googleusercontent.com," "OAuth2TokenFetcherCredentials}"; request_metadata_state* state = make_request_metadata_state( GRPC_ERROR_CREATE_FROM_STATIC_STRING( "Error occurred when fetching oauth2 token."), nullptr, 0); grpc_auth_metadata_context auth_md_ctx = {test_service_url, test_method, nullptr, nullptr}; grpc_call_credentials* creds = grpc_google_refresh_token_credentials_create( test_refresh_token_str, nullptr); grpc_httpcli_set_override(httpcli_get_should_not_be_called, token_httpcli_post_failure); run_request_metadata_test(creds, auth_md_ctx, state); GPR_ASSERT( strcmp(creds->debug_string().c_str(), expected_creds_debug_string) == 0); creds->Unref(); grpc_httpcli_set_override(nullptr, nullptr); } static void test_valid_sts_creds_options(void) { grpc_sts_credentials_options valid_options = { test_sts_endpoint_url, // sts_endpoint_url nullptr, // resource nullptr, // audience nullptr, // scope nullptr, // requested_token_type test_signed_jwt_path_prefix, // subject_token_path test_signed_jwt_token_type, // subject_token_type nullptr, // actor_token_path nullptr // actor_token_type }; absl::StatusOr sts_url = grpc_core::ValidateStsCredentialsOptions(&valid_options); GPR_ASSERT(sts_url.ok()); absl::string_view host; absl::string_view port; GPR_ASSERT(grpc_core::SplitHostPort(sts_url->authority(), &host, &port)); GPR_ASSERT(host == "foo.com"); GPR_ASSERT(port == "5555"); } static void test_invalid_sts_creds_options(void) { grpc_sts_credentials_options invalid_options = { test_sts_endpoint_url, // sts_endpoint_url nullptr, // resource nullptr, // audience nullptr, // scope nullptr, // requested_token_type nullptr, // subject_token_path (Required) test_signed_jwt_token_type, // subject_token_type nullptr, // actor_token_path nullptr // actor_token_type }; absl::StatusOr url_should_be_invalid = grpc_core::ValidateStsCredentialsOptions(&invalid_options); GPR_ASSERT(!url_should_be_invalid.ok()); invalid_options = { test_sts_endpoint_url, // sts_endpoint_url nullptr, // resource nullptr, // audience nullptr, // scope nullptr, // requested_token_type test_signed_jwt_path_prefix, // subject_token_path nullptr, // subject_token_type (Required) nullptr, // actor_token_path nullptr // actor_token_type }; url_should_be_invalid = grpc_core::ValidateStsCredentialsOptions(&invalid_options); GPR_ASSERT(!url_should_be_invalid.ok()); invalid_options = { nullptr, // sts_endpoint_url (Required) nullptr, // resource nullptr, // audience nullptr, // scope nullptr, // requested_token_type test_signed_jwt_path_prefix, // subject_token_path test_signed_jwt_token_type, // subject_token_type (Required) nullptr, // actor_token_path nullptr // actor_token_type }; url_should_be_invalid = grpc_core::ValidateStsCredentialsOptions(&invalid_options); GPR_ASSERT(!url_should_be_invalid.ok()); invalid_options = { "not_a_valid_uri", // sts_endpoint_url nullptr, // resource nullptr, // audience nullptr, // scope nullptr, // requested_token_type test_signed_jwt_path_prefix, // subject_token_path test_signed_jwt_token_type, // subject_token_type (Required) nullptr, // actor_token_path nullptr // actor_token_type }; url_should_be_invalid = grpc_core::ValidateStsCredentialsOptions(&invalid_options); GPR_ASSERT(!url_should_be_invalid.ok()); invalid_options = { "ftp://ftp.is.not.a.valid.scheme/bar", // sts_endpoint_url nullptr, // resource nullptr, // audience nullptr, // scope nullptr, // requested_token_type test_signed_jwt_path_prefix, // subject_token_path test_signed_jwt_token_type, // subject_token_type (Required) nullptr, // actor_token_path nullptr // actor_token_type }; url_should_be_invalid = grpc_core::ValidateStsCredentialsOptions(&invalid_options); GPR_ASSERT(!url_should_be_invalid.ok()); } static void assert_query_parameters(const grpc_core::URI& uri, absl::string_view expected_key, absl::string_view expected_val) { const auto it = uri.query_parameter_map().find(expected_key); GPR_ASSERT(it != uri.query_parameter_map().end()); if (it->second != expected_val) { gpr_log(GPR_ERROR, "%s!=%s", std::string(it->second).c_str(), std::string(expected_val).c_str()); } GPR_ASSERT(it->second == expected_val); } static void validate_sts_token_http_request(const grpc_httpcli_request* request, const char* body, size_t body_size, bool expect_actor_token) { // Check that the body is constructed properly. GPR_ASSERT(body != nullptr); GPR_ASSERT(body_size != 0); GPR_ASSERT(request->handshaker == &grpc_httpcli_ssl); std::string get_url_equivalent = absl::StrFormat("%s?%s", test_sts_endpoint_url, body); absl::StatusOr url = grpc_core::URI::Parse(get_url_equivalent); if (!url.ok()) { gpr_log(GPR_ERROR, "%s", url.status().ToString().c_str()); GPR_ASSERT(url.ok()); } assert_query_parameters(*url, "resource", "resource"); assert_query_parameters(*url, "audience", "audience"); assert_query_parameters(*url, "scope", "scope"); assert_query_parameters(*url, "requested_token_type", "requested_token_type"); assert_query_parameters(*url, "subject_token", test_signed_jwt); assert_query_parameters(*url, "subject_token_type", test_signed_jwt_token_type); if (expect_actor_token) { assert_query_parameters(*url, "actor_token", test_signed_jwt2); assert_query_parameters(*url, "actor_token_type", test_signed_jwt_token_type2); } else { GPR_ASSERT(url->query_parameter_map().find("actor_token") == url->query_parameter_map().end()); GPR_ASSERT(url->query_parameter_map().find("actor_token_type") == url->query_parameter_map().end()); } // Check the rest of the request. GPR_ASSERT(strcmp(request->host, "foo.com:5555") == 0); GPR_ASSERT(strcmp(request->http.path, "/v1/token-exchange") == 0); GPR_ASSERT(request->http.hdr_count == 1); GPR_ASSERT(strcmp(request->http.hdrs[0].key, "Content-Type") == 0); GPR_ASSERT(strcmp(request->http.hdrs[0].value, "application/x-www-form-urlencoded") == 0); } static int sts_token_httpcli_post_success(const grpc_httpcli_request* request, const char* body, size_t body_size, grpc_millis /*deadline*/, grpc_closure* on_done, grpc_httpcli_response* response) { validate_sts_token_http_request(request, body, body_size, true); *response = http_response(200, valid_sts_json_response); grpc_core::ExecCtx::Run(DEBUG_LOCATION, on_done, GRPC_ERROR_NONE); return 1; } static int sts_token_httpcli_post_success_no_actor_token( const grpc_httpcli_request* request, const char* body, size_t body_size, grpc_millis /*deadline*/, grpc_closure* on_done, grpc_httpcli_response* response) { validate_sts_token_http_request(request, body, body_size, false); *response = http_response(200, valid_sts_json_response); grpc_core::ExecCtx::Run(DEBUG_LOCATION, on_done, GRPC_ERROR_NONE); return 1; } static char* write_tmp_jwt_file(const char* jwt_contents) { char* path; FILE* tmp = gpr_tmpfile(test_signed_jwt_path_prefix, &path); GPR_ASSERT(path != nullptr); GPR_ASSERT(tmp != nullptr); size_t jwt_length = strlen(jwt_contents); GPR_ASSERT(fwrite(jwt_contents, 1, jwt_length, tmp) == jwt_length); fclose(tmp); return path; } static void test_sts_creds_success(void) { grpc_core::ExecCtx exec_ctx; expected_md emd[] = { {"authorization", "Bearer ya29.AHES6ZRN3-HlhAPya30GnW_bHSb_"}}; const char expected_creds_debug_string[] = "StsTokenFetcherCredentials{Path:/v1/" "token-exchange,Authority:foo.com:5555,OAuth2TokenFetcherCredentials}"; grpc_auth_metadata_context auth_md_ctx = {test_service_url, test_method, nullptr, nullptr}; char* subject_token_path = write_tmp_jwt_file(test_signed_jwt); char* actor_token_path = write_tmp_jwt_file(test_signed_jwt2); grpc_sts_credentials_options valid_options = { test_sts_endpoint_url, // sts_endpoint_url "resource", // resource "audience", // audience "scope", // scope "requested_token_type", // requested_token_type subject_token_path, // subject_token_path test_signed_jwt_token_type, // subject_token_type actor_token_path, // actor_token_path test_signed_jwt_token_type2 // actor_token_type }; grpc_call_credentials* creds = grpc_sts_credentials_create(&valid_options, nullptr); /* Check security level. */ GPR_ASSERT(creds->min_security_level() == GRPC_PRIVACY_AND_INTEGRITY); /* First request: http put should be called. */ request_metadata_state* state = make_request_metadata_state(GRPC_ERROR_NONE, emd, GPR_ARRAY_SIZE(emd)); grpc_httpcli_set_override(httpcli_get_should_not_be_called, sts_token_httpcli_post_success); run_request_metadata_test(creds, auth_md_ctx, state); grpc_core::ExecCtx::Get()->Flush(); /* Second request: the cached token should be served directly. */ state = make_request_metadata_state(GRPC_ERROR_NONE, emd, GPR_ARRAY_SIZE(emd)); grpc_httpcli_set_override(httpcli_get_should_not_be_called, httpcli_post_should_not_be_called); run_request_metadata_test(creds, auth_md_ctx, state); grpc_core::ExecCtx::Get()->Flush(); GPR_ASSERT( strcmp(creds->debug_string().c_str(), expected_creds_debug_string) == 0); creds->Unref(); grpc_httpcli_set_override(nullptr, nullptr); gpr_free(subject_token_path); gpr_free(actor_token_path); } static void test_sts_creds_token_file_not_found(void) { grpc_core::ExecCtx exec_ctx; grpc_auth_metadata_context auth_md_ctx = {test_service_url, test_method, nullptr, nullptr}; grpc_sts_credentials_options valid_options = { test_sts_endpoint_url, // sts_endpoint_url "resource", // resource "audience", // audience "scope", // scope "requested_token_type", // requested_token_type "/some/completely/random/path", // subject_token_path test_signed_jwt_token_type, // subject_token_type "", // actor_token_path "" // actor_token_type }; grpc_call_credentials* creds = grpc_sts_credentials_create(&valid_options, nullptr); /* Check security level. */ GPR_ASSERT(creds->min_security_level() == GRPC_PRIVACY_AND_INTEGRITY); request_metadata_state* state = make_request_metadata_state( GRPC_ERROR_CREATE_FROM_STATIC_STRING( "Error occurred when fetching oauth2 token."), nullptr, 0); grpc_httpcli_set_override(httpcli_get_should_not_be_called, httpcli_post_should_not_be_called); run_request_metadata_test(creds, auth_md_ctx, state); grpc_core::ExecCtx::Get()->Flush(); /* Cleanup. */ creds->Unref(); grpc_httpcli_set_override(nullptr, nullptr); } static void test_sts_creds_no_actor_token_success(void) { grpc_core::ExecCtx exec_ctx; expected_md emd[] = { {"authorization", "Bearer ya29.AHES6ZRN3-HlhAPya30GnW_bHSb_"}}; const char expected_creds_debug_string[] = "StsTokenFetcherCredentials{Path:/v1/" "token-exchange,Authority:foo.com:5555,OAuth2TokenFetcherCredentials}"; grpc_auth_metadata_context auth_md_ctx = {test_service_url, test_method, nullptr, nullptr}; char* subject_token_path = write_tmp_jwt_file(test_signed_jwt); grpc_sts_credentials_options valid_options = { test_sts_endpoint_url, // sts_endpoint_url "resource", // resource "audience", // audience "scope", // scope "requested_token_type", // requested_token_type subject_token_path, // subject_token_path test_signed_jwt_token_type, // subject_token_type "", // actor_token_path "" // actor_token_type }; grpc_call_credentials* creds = grpc_sts_credentials_create(&valid_options, nullptr); /* Check security level. */ GPR_ASSERT(creds->min_security_level() == GRPC_PRIVACY_AND_INTEGRITY); /* First request: http put should be called. */ request_metadata_state* state = make_request_metadata_state(GRPC_ERROR_NONE, emd, GPR_ARRAY_SIZE(emd)); grpc_httpcli_set_override(httpcli_get_should_not_be_called, sts_token_httpcli_post_success_no_actor_token); run_request_metadata_test(creds, auth_md_ctx, state); grpc_core::ExecCtx::Get()->Flush(); /* Second request: the cached token should be served directly. */ state = make_request_metadata_state(GRPC_ERROR_NONE, emd, GPR_ARRAY_SIZE(emd)); grpc_httpcli_set_override(httpcli_get_should_not_be_called, httpcli_post_should_not_be_called); run_request_metadata_test(creds, auth_md_ctx, state); grpc_core::ExecCtx::Get()->Flush(); GPR_ASSERT( strcmp(creds->debug_string().c_str(), expected_creds_debug_string) == 0); creds->Unref(); grpc_httpcli_set_override(nullptr, nullptr); gpr_free(subject_token_path); } static void test_sts_creds_load_token_failure(void) { const char expected_creds_debug_string[] = "StsTokenFetcherCredentials{Path:/v1/" "token-exchange,Authority:foo.com:5555,OAuth2TokenFetcherCredentials}"; grpc_core::ExecCtx exec_ctx; request_metadata_state* state = make_request_metadata_state( GRPC_ERROR_CREATE_FROM_STATIC_STRING( "Error occurred when fetching oauth2 token."), nullptr, 0); grpc_auth_metadata_context auth_md_ctx = {test_service_url, test_method, nullptr, nullptr}; char* test_signed_jwt_path = write_tmp_jwt_file(test_signed_jwt); grpc_sts_credentials_options options = { test_sts_endpoint_url, // sts_endpoint_url "resource", // resource "audience", // audience "scope", // scope "requested_token_type", // requested_token_type "invalid_path", // subject_token_path test_signed_jwt_token_type, // subject_token_type nullptr, // actor_token_path nullptr // actor_token_type }; grpc_call_credentials* creds = grpc_sts_credentials_create(&options, nullptr); grpc_httpcli_set_override(httpcli_get_should_not_be_called, httpcli_post_should_not_be_called); run_request_metadata_test(creds, auth_md_ctx, state); GPR_ASSERT( strcmp(creds->debug_string().c_str(), expected_creds_debug_string) == 0); creds->Unref(); grpc_httpcli_set_override(nullptr, nullptr); gpr_free(test_signed_jwt_path); } static void test_sts_creds_http_failure(void) { const char expected_creds_debug_string[] = "StsTokenFetcherCredentials{Path:/v1/" "token-exchange,Authority:foo.com:5555,OAuth2TokenFetcherCredentials}"; grpc_core::ExecCtx exec_ctx; request_metadata_state* state = make_request_metadata_state( GRPC_ERROR_CREATE_FROM_STATIC_STRING( "Error occurred when fetching oauth2 token."), nullptr, 0); grpc_auth_metadata_context auth_md_ctx = {test_service_url, test_method, nullptr, nullptr}; char* test_signed_jwt_path = write_tmp_jwt_file(test_signed_jwt); grpc_sts_credentials_options valid_options = { test_sts_endpoint_url, // sts_endpoint_url "resource", // resource "audience", // audience "scope", // scope "requested_token_type", // requested_token_type test_signed_jwt_path, // subject_token_path test_signed_jwt_token_type, // subject_token_type nullptr, // actor_token_path nullptr // actor_token_type }; grpc_call_credentials* creds = grpc_sts_credentials_create(&valid_options, nullptr); grpc_httpcli_set_override(httpcli_get_should_not_be_called, token_httpcli_post_failure); run_request_metadata_test(creds, auth_md_ctx, state); GPR_ASSERT( strcmp(creds->debug_string().c_str(), expected_creds_debug_string) == 0); creds->Unref(); grpc_httpcli_set_override(nullptr, nullptr); gpr_free(test_signed_jwt_path); } static void validate_jwt_encode_and_sign_params( const grpc_auth_json_key* json_key, const char* scope, gpr_timespec token_lifetime) { GPR_ASSERT(grpc_auth_json_key_is_valid(json_key)); GPR_ASSERT(json_key->private_key != nullptr); GPR_ASSERT(RSA_check_key(json_key->private_key)); GPR_ASSERT(json_key->type != nullptr && strcmp(json_key->type, "service_account") == 0); GPR_ASSERT(json_key->private_key_id != nullptr && strcmp(json_key->private_key_id, "e6b5137873db8d2ef81e06a47289e6434ec8a165") == 0); GPR_ASSERT(json_key->client_id != nullptr && strcmp(json_key->client_id, "777-abaslkan11hlb6nmim3bpspl31ud.apps." "googleusercontent.com") == 0); GPR_ASSERT(json_key->client_email != nullptr && strcmp(json_key->client_email, "777-abaslkan11hlb6nmim3bpspl31ud@developer." "gserviceaccount.com") == 0); if (scope != nullptr) GPR_ASSERT(strcmp(scope, test_scope) == 0); GPR_ASSERT(gpr_time_cmp(token_lifetime, grpc_max_auth_token_lifetime()) == 0); } static char* encode_and_sign_jwt_success(const grpc_auth_json_key* json_key, const char* /*audience*/, gpr_timespec token_lifetime, const char* scope) { validate_jwt_encode_and_sign_params(json_key, scope, token_lifetime); return gpr_strdup(test_signed_jwt); } static char* encode_and_sign_jwt_failure(const grpc_auth_json_key* json_key, const char* /*audience*/, gpr_timespec token_lifetime, const char* scope) { validate_jwt_encode_and_sign_params(json_key, scope, token_lifetime); return nullptr; } static char* encode_and_sign_jwt_should_not_be_called( const grpc_auth_json_key* /*json_key*/, const char* /*audience*/, gpr_timespec /*token_lifetime*/, const char* /*scope*/) { GPR_ASSERT("grpc_jwt_encode_and_sign should not be called" == nullptr); return nullptr; } static grpc_service_account_jwt_access_credentials* creds_as_jwt( grpc_call_credentials* creds) { GPR_ASSERT(creds != nullptr); GPR_ASSERT(strcmp(creds->type(), GRPC_CALL_CREDENTIALS_TYPE_JWT) == 0); return reinterpret_cast(creds); } static void test_jwt_creds_lifetime(void) { char* json_key_string = test_json_key_str(); const char expected_creds_debug_string_prefix[] = "JWTAccessCredentials{ExpirationTime:"; // Max lifetime. grpc_call_credentials* jwt_creds = grpc_service_account_jwt_access_credentials_create( json_key_string, grpc_max_auth_token_lifetime(), nullptr); GPR_ASSERT(gpr_time_cmp(creds_as_jwt(jwt_creds)->jwt_lifetime(), grpc_max_auth_token_lifetime()) == 0); /* Check security level. */ GPR_ASSERT(jwt_creds->min_security_level() == GRPC_PRIVACY_AND_INTEGRITY); GPR_ASSERT(strncmp(expected_creds_debug_string_prefix, jwt_creds->debug_string().c_str(), strlen(expected_creds_debug_string_prefix)) == 0); grpc_call_credentials_release(jwt_creds); // Shorter lifetime. gpr_timespec token_lifetime = {10, 0, GPR_TIMESPAN}; GPR_ASSERT(gpr_time_cmp(grpc_max_auth_token_lifetime(), token_lifetime) > 0); jwt_creds = grpc_service_account_jwt_access_credentials_create( json_key_string, token_lifetime, nullptr); GPR_ASSERT(gpr_time_cmp(creds_as_jwt(jwt_creds)->jwt_lifetime(), token_lifetime) == 0); GPR_ASSERT(strncmp(expected_creds_debug_string_prefix, jwt_creds->debug_string().c_str(), strlen(expected_creds_debug_string_prefix)) == 0); grpc_call_credentials_release(jwt_creds); // Cropped lifetime. gpr_timespec add_to_max = {10, 0, GPR_TIMESPAN}; token_lifetime = gpr_time_add(grpc_max_auth_token_lifetime(), add_to_max); jwt_creds = grpc_service_account_jwt_access_credentials_create( json_key_string, token_lifetime, nullptr); GPR_ASSERT(gpr_time_cmp(creds_as_jwt(jwt_creds)->jwt_lifetime(), grpc_max_auth_token_lifetime()) == 0); GPR_ASSERT(strncmp(expected_creds_debug_string_prefix, jwt_creds->debug_string().c_str(), strlen(expected_creds_debug_string_prefix)) == 0); grpc_call_credentials_release(jwt_creds); gpr_free(json_key_string); } static void test_jwt_creds_success(void) { const char expected_creds_debug_string_prefix[] = "JWTAccessCredentials{ExpirationTime:"; char* json_key_string = test_json_key_str(); grpc_core::ExecCtx exec_ctx; grpc_auth_metadata_context auth_md_ctx = {test_service_url, test_method, nullptr, nullptr}; std::string expected_md_value = absl::StrCat("Bearer ", test_signed_jwt); expected_md emd[] = {{"authorization", expected_md_value.c_str()}}; grpc_call_credentials* creds = grpc_service_account_jwt_access_credentials_create( json_key_string, grpc_max_auth_token_lifetime(), nullptr); /* First request: jwt_encode_and_sign should be called. */ request_metadata_state* state = make_request_metadata_state(GRPC_ERROR_NONE, emd, GPR_ARRAY_SIZE(emd)); grpc_jwt_encode_and_sign_set_override(encode_and_sign_jwt_success); run_request_metadata_test(creds, auth_md_ctx, state); grpc_core::ExecCtx::Get()->Flush(); /* Second request: the cached token should be served directly. */ state = make_request_metadata_state(GRPC_ERROR_NONE, emd, GPR_ARRAY_SIZE(emd)); grpc_jwt_encode_and_sign_set_override( encode_and_sign_jwt_should_not_be_called); run_request_metadata_test(creds, auth_md_ctx, state); grpc_core::ExecCtx::Get()->Flush(); /* Third request: Different service url so jwt_encode_and_sign should be called again (no caching). */ state = make_request_metadata_state(GRPC_ERROR_NONE, emd, GPR_ARRAY_SIZE(emd)); auth_md_ctx.service_url = other_test_service_url; grpc_jwt_encode_and_sign_set_override(encode_and_sign_jwt_success); run_request_metadata_test(creds, auth_md_ctx, state); grpc_core::ExecCtx::Get()->Flush(); GPR_ASSERT(strncmp(expected_creds_debug_string_prefix, creds->debug_string().c_str(), strlen(expected_creds_debug_string_prefix)) == 0); creds->Unref(); gpr_free(json_key_string); grpc_jwt_encode_and_sign_set_override(nullptr); } static void test_jwt_creds_signing_failure(void) { const char expected_creds_debug_string_prefix[] = "JWTAccessCredentials{ExpirationTime:"; char* json_key_string = test_json_key_str(); grpc_core::ExecCtx exec_ctx; grpc_auth_metadata_context auth_md_ctx = {test_service_url, test_method, nullptr, nullptr}; request_metadata_state* state = make_request_metadata_state( GRPC_ERROR_CREATE_FROM_STATIC_STRING("Could not generate JWT."), nullptr, 0); grpc_call_credentials* creds = grpc_service_account_jwt_access_credentials_create( json_key_string, grpc_max_auth_token_lifetime(), nullptr); grpc_jwt_encode_and_sign_set_override(encode_and_sign_jwt_failure); run_request_metadata_test(creds, auth_md_ctx, state); gpr_free(json_key_string); GPR_ASSERT(strncmp(expected_creds_debug_string_prefix, creds->debug_string().c_str(), strlen(expected_creds_debug_string_prefix)) == 0); creds->Unref(); grpc_jwt_encode_and_sign_set_override(nullptr); } static void set_google_default_creds_env_var_with_file_contents( const char* file_prefix, const char* contents) { size_t contents_len = strlen(contents); char* creds_file_name; FILE* creds_file = gpr_tmpfile(file_prefix, &creds_file_name); GPR_ASSERT(creds_file_name != nullptr); GPR_ASSERT(creds_file != nullptr); GPR_ASSERT(fwrite(contents, 1, contents_len, creds_file) == contents_len); fclose(creds_file); gpr_setenv(GRPC_GOOGLE_CREDENTIALS_ENV_VAR, creds_file_name); gpr_free(creds_file_name); } static bool test_gce_tenancy_checker(void) { g_test_gce_tenancy_checker_called = true; return g_test_is_on_gce; } static void test_google_default_creds_auth_key(void) { grpc_core::ExecCtx exec_ctx; grpc_composite_channel_credentials* creds; char* json_key = test_json_key_str(); grpc_flush_cached_google_default_credentials(); set_gce_tenancy_checker_for_testing(test_gce_tenancy_checker); g_test_gce_tenancy_checker_called = false; g_test_is_on_gce = true; set_google_default_creds_env_var_with_file_contents( "json_key_google_default_creds", json_key); gpr_free(json_key); creds = reinterpret_cast( grpc_google_default_credentials_create(nullptr)); auto* default_creds = reinterpret_cast( creds->inner_creds()); GPR_ASSERT(default_creds->ssl_creds() != nullptr); auto* jwt = reinterpret_cast( creds->call_creds()); GPR_ASSERT( strcmp(jwt->key().client_id, "777-abaslkan11hlb6nmim3bpspl31ud.apps.googleusercontent.com") == 0); GPR_ASSERT(g_test_gce_tenancy_checker_called == false); creds->Unref(); gpr_setenv(GRPC_GOOGLE_CREDENTIALS_ENV_VAR, ""); /* Reset. */ } static void test_google_default_creds_refresh_token(void) { grpc_core::ExecCtx exec_ctx; grpc_composite_channel_credentials* creds; grpc_flush_cached_google_default_credentials(); set_google_default_creds_env_var_with_file_contents( "refresh_token_google_default_creds", test_refresh_token_str); creds = reinterpret_cast( grpc_google_default_credentials_create(nullptr)); auto* default_creds = reinterpret_cast( creds->inner_creds()); GPR_ASSERT(default_creds->ssl_creds() != nullptr); auto* refresh = reinterpret_cast( creds->call_creds()); GPR_ASSERT(strcmp(refresh->refresh_token().client_id, "32555999999.apps.googleusercontent.com") == 0); creds->Unref(); gpr_setenv(GRPC_GOOGLE_CREDENTIALS_ENV_VAR, ""); /* Reset. */ } static int default_creds_metadata_server_detection_httpcli_get_success_override( const grpc_httpcli_request* request, grpc_millis /*deadline*/, grpc_closure* on_done, grpc_httpcli_response* response) { *response = http_response(200, ""); grpc_http_header* headers = static_cast(gpr_malloc(sizeof(*headers) * 1)); headers[0].key = gpr_strdup("Metadata-Flavor"); headers[0].value = gpr_strdup("Google"); response->hdr_count = 1; response->hdrs = headers; GPR_ASSERT(strcmp(request->http.path, "/") == 0); GPR_ASSERT(strcmp(request->host, "metadata.google.internal.") == 0); grpc_core::ExecCtx::Run(DEBUG_LOCATION, on_done, GRPC_ERROR_NONE); return 1; } static std::string null_well_known_creds_path_getter(void) { return ""; } static void test_google_default_creds_gce(void) { grpc_core::ExecCtx exec_ctx; expected_md emd[] = { {"authorization", "Bearer ya29.AHES6ZRN3-HlhAPya30GnW_bHSb_"}}; request_metadata_state* state = make_request_metadata_state(GRPC_ERROR_NONE, emd, GPR_ARRAY_SIZE(emd)); grpc_auth_metadata_context auth_md_ctx = {test_service_url, test_method, nullptr, nullptr}; grpc_flush_cached_google_default_credentials(); gpr_setenv(GRPC_GOOGLE_CREDENTIALS_ENV_VAR, ""); /* Reset. */ grpc_override_well_known_credentials_path_getter( null_well_known_creds_path_getter); set_gce_tenancy_checker_for_testing(test_gce_tenancy_checker); g_test_gce_tenancy_checker_called = false; g_test_is_on_gce = true; /* Simulate a successful detection of GCE. */ grpc_composite_channel_credentials* creds = reinterpret_cast( grpc_google_default_credentials_create(nullptr)); /* Verify that the default creds actually embeds a GCE creds. */ GPR_ASSERT(creds != nullptr); GPR_ASSERT(creds->call_creds() != nullptr); grpc_httpcli_set_override(compute_engine_httpcli_get_success_override, httpcli_post_should_not_be_called); run_request_metadata_test(creds->mutable_call_creds(), auth_md_ctx, state); grpc_core::ExecCtx::Get()->Flush(); GPR_ASSERT(g_test_gce_tenancy_checker_called == true); /* Cleanup. */ creds->Unref(); grpc_httpcli_set_override(nullptr, nullptr); grpc_override_well_known_credentials_path_getter(nullptr); } static void test_google_default_creds_non_gce(void) { grpc_core::ExecCtx exec_ctx; expected_md emd[] = { {"authorization", "Bearer ya29.AHES6ZRN3-HlhAPya30GnW_bHSb_"}}; request_metadata_state* state = make_request_metadata_state(GRPC_ERROR_NONE, emd, GPR_ARRAY_SIZE(emd)); grpc_auth_metadata_context auth_md_ctx = {test_service_url, test_method, nullptr, nullptr}; grpc_flush_cached_google_default_credentials(); gpr_setenv(GRPC_GOOGLE_CREDENTIALS_ENV_VAR, ""); /* Reset. */ grpc_override_well_known_credentials_path_getter( null_well_known_creds_path_getter); set_gce_tenancy_checker_for_testing(test_gce_tenancy_checker); g_test_gce_tenancy_checker_called = false; g_test_is_on_gce = false; /* Simulate a successful detection of metadata server. */ grpc_httpcli_set_override( default_creds_metadata_server_detection_httpcli_get_success_override, httpcli_post_should_not_be_called); grpc_composite_channel_credentials* creds = reinterpret_cast( grpc_google_default_credentials_create(nullptr)); /* Verify that the default creds actually embeds a GCE creds. */ GPR_ASSERT(creds != nullptr); GPR_ASSERT(creds->call_creds() != nullptr); grpc_httpcli_set_override(compute_engine_httpcli_get_success_override, httpcli_post_should_not_be_called); run_request_metadata_test(creds->mutable_call_creds(), auth_md_ctx, state); grpc_core::ExecCtx::Get()->Flush(); GPR_ASSERT(g_test_gce_tenancy_checker_called == true); /* Cleanup. */ creds->Unref(); grpc_httpcli_set_override(nullptr, nullptr); grpc_override_well_known_credentials_path_getter(nullptr); } static int default_creds_gce_detection_httpcli_get_failure_override( const grpc_httpcli_request* request, grpc_millis /*deadline*/, grpc_closure* on_done, grpc_httpcli_response* response) { /* No magic header. */ GPR_ASSERT(strcmp(request->http.path, "/") == 0); GPR_ASSERT(strcmp(request->host, "metadata.google.internal.") == 0); *response = http_response(200, ""); grpc_core::ExecCtx::Run(DEBUG_LOCATION, on_done, GRPC_ERROR_NONE); return 1; } static void test_no_google_default_creds(void) { grpc_flush_cached_google_default_credentials(); gpr_setenv(GRPC_GOOGLE_CREDENTIALS_ENV_VAR, ""); /* Reset. */ grpc_override_well_known_credentials_path_getter( null_well_known_creds_path_getter); set_gce_tenancy_checker_for_testing(test_gce_tenancy_checker); g_test_gce_tenancy_checker_called = false; g_test_is_on_gce = false; grpc_httpcli_set_override( default_creds_gce_detection_httpcli_get_failure_override, httpcli_post_should_not_be_called); /* Simulate a successful detection of GCE. */ GPR_ASSERT(grpc_google_default_credentials_create(nullptr) == nullptr); /* Try a second one. GCE detection should occur again. */ g_test_gce_tenancy_checker_called = false; GPR_ASSERT(grpc_google_default_credentials_create(nullptr) == nullptr); GPR_ASSERT(g_test_gce_tenancy_checker_called == true); /* Cleanup. */ grpc_override_well_known_credentials_path_getter(nullptr); grpc_httpcli_set_override(nullptr, nullptr); } static void test_google_default_creds_call_creds_specified(void) { expected_md emd[] = { {"authorization", "Bearer ya29.AHES6ZRN3-HlhAPya30GnW_bHSb_"}}; request_metadata_state* state = make_request_metadata_state(GRPC_ERROR_NONE, emd, GPR_ARRAY_SIZE(emd)); grpc_auth_metadata_context auth_md_ctx = {test_service_url, test_method, nullptr, nullptr}; grpc_core::ExecCtx exec_ctx; grpc_flush_cached_google_default_credentials(); grpc_call_credentials* call_creds = grpc_google_compute_engine_credentials_create(nullptr); set_gce_tenancy_checker_for_testing(test_gce_tenancy_checker); g_test_gce_tenancy_checker_called = false; g_test_is_on_gce = true; grpc_httpcli_set_override( default_creds_metadata_server_detection_httpcli_get_success_override, httpcli_post_should_not_be_called); grpc_composite_channel_credentials* channel_creds = reinterpret_cast( grpc_google_default_credentials_create(call_creds)); GPR_ASSERT(g_test_gce_tenancy_checker_called == false); GPR_ASSERT(channel_creds != nullptr); GPR_ASSERT(channel_creds->call_creds() != nullptr); grpc_httpcli_set_override(compute_engine_httpcli_get_success_override, httpcli_post_should_not_be_called); run_request_metadata_test(channel_creds->mutable_call_creds(), auth_md_ctx, state); grpc_core::ExecCtx::Get()->Flush(); channel_creds->Unref(); grpc_httpcli_set_override(nullptr, nullptr); } struct fake_call_creds : public grpc_call_credentials { public: explicit fake_call_creds() : grpc_call_credentials("fake") { grpc_slice key = grpc_slice_from_static_string("foo"); grpc_slice value = grpc_slice_from_static_string("oof"); phony_md_ = grpc_mdelem_from_slices(key, value); grpc_slice_unref(key); grpc_slice_unref(value); } ~fake_call_creds() override { GRPC_MDELEM_UNREF(phony_md_); } bool get_request_metadata(grpc_polling_entity* /*pollent*/, grpc_auth_metadata_context /*context*/, grpc_credentials_mdelem_array* md_array, grpc_closure* /*on_request_metadata*/, grpc_error_handle* /*error*/) override { grpc_credentials_mdelem_array_add(md_array, phony_md_); return true; } void cancel_get_request_metadata(grpc_credentials_mdelem_array* /*md_array*/, grpc_error_handle /*error*/) override {} private: grpc_mdelem phony_md_; }; static void test_google_default_creds_not_default(void) { expected_md emd[] = {{"foo", "oof"}}; request_metadata_state* state = make_request_metadata_state(GRPC_ERROR_NONE, emd, GPR_ARRAY_SIZE(emd)); grpc_auth_metadata_context auth_md_ctx = {test_service_url, test_method, nullptr, nullptr}; grpc_core::ExecCtx exec_ctx; grpc_flush_cached_google_default_credentials(); grpc_core::RefCountedPtr call_creds = grpc_core::MakeRefCounted(); set_gce_tenancy_checker_for_testing(test_gce_tenancy_checker); g_test_gce_tenancy_checker_called = false; g_test_is_on_gce = true; grpc_httpcli_set_override( default_creds_metadata_server_detection_httpcli_get_success_override, httpcli_post_should_not_be_called); grpc_composite_channel_credentials* channel_creds = reinterpret_cast( grpc_google_default_credentials_create(call_creds.release())); GPR_ASSERT(g_test_gce_tenancy_checker_called == false); GPR_ASSERT(channel_creds != nullptr); GPR_ASSERT(channel_creds->call_creds() != nullptr); run_request_metadata_test(channel_creds->mutable_call_creds(), auth_md_ctx, state); grpc_core::ExecCtx::Get()->Flush(); channel_creds->Unref(); grpc_httpcli_set_override(nullptr, nullptr); } typedef enum { PLUGIN_INITIAL_STATE, PLUGIN_GET_METADATA_CALLED_STATE, PLUGIN_DESTROY_CALLED_STATE } plugin_state; static const expected_md plugin_md[] = {{"foo", "bar"}, {"hi", "there"}}; static int plugin_get_metadata_success( void* state, grpc_auth_metadata_context context, grpc_credentials_plugin_metadata_cb /*cb*/, void* /*user_data*/, grpc_metadata creds_md[GRPC_METADATA_CREDENTIALS_PLUGIN_SYNC_MAX], size_t* num_creds_md, grpc_status_code* /*status*/, const char** /*error_details*/) { GPR_ASSERT(strcmp(context.service_url, test_service_url) == 0); GPR_ASSERT(strcmp(context.method_name, test_method) == 0); GPR_ASSERT(context.channel_auth_context == nullptr); GPR_ASSERT(context.reserved == nullptr); GPR_ASSERT(GPR_ARRAY_SIZE(plugin_md) < GRPC_METADATA_CREDENTIALS_PLUGIN_SYNC_MAX); plugin_state* s = static_cast(state); *s = PLUGIN_GET_METADATA_CALLED_STATE; for (size_t i = 0; i < GPR_ARRAY_SIZE(plugin_md); ++i) { memset(&creds_md[i], 0, sizeof(grpc_metadata)); creds_md[i].key = grpc_slice_from_copied_string(plugin_md[i].key); creds_md[i].value = grpc_slice_from_copied_string(plugin_md[i].value); } *num_creds_md = GPR_ARRAY_SIZE(plugin_md); return true; // Synchronous return. } static const char* plugin_error_details = "Could not get metadata for plugin."; static int plugin_get_metadata_failure( void* state, grpc_auth_metadata_context context, grpc_credentials_plugin_metadata_cb /*cb*/, void* /*user_data*/, grpc_metadata /*creds_md*/[GRPC_METADATA_CREDENTIALS_PLUGIN_SYNC_MAX], size_t* /*num_creds_md*/, grpc_status_code* status, const char** error_details) { GPR_ASSERT(strcmp(context.service_url, test_service_url) == 0); GPR_ASSERT(strcmp(context.method_name, test_method) == 0); GPR_ASSERT(context.channel_auth_context == nullptr); GPR_ASSERT(context.reserved == nullptr); plugin_state* s = static_cast(state); *s = PLUGIN_GET_METADATA_CALLED_STATE; *status = GRPC_STATUS_UNAUTHENTICATED; *error_details = gpr_strdup(plugin_error_details); return true; // Synchronous return. } static void plugin_destroy(void* state) { plugin_state* s = static_cast(state); *s = PLUGIN_DESTROY_CALLED_STATE; } static char* plugin_debug_string(void* state) { plugin_state* s = static_cast(state); char* ret = nullptr; switch (*s) { case PLUGIN_INITIAL_STATE: gpr_asprintf(&ret, "TestPluginCredentials{state:INITIAL}"); break; case PLUGIN_GET_METADATA_CALLED_STATE: gpr_asprintf(&ret, "TestPluginCredentials{state:GET_METADATA_CALLED}"); break; case PLUGIN_DESTROY_CALLED_STATE: gpr_asprintf(&ret, "TestPluginCredentials{state:DESTROY}"); break; default: gpr_asprintf(&ret, "TestPluginCredentials{state:UNKNOWN}"); break; } return ret; } static void test_metadata_plugin_success(void) { const char expected_creds_debug_string[] = "TestPluginCredentials{state:GET_METADATA_CALLED}"; plugin_state state = PLUGIN_INITIAL_STATE; grpc_metadata_credentials_plugin plugin; grpc_core::ExecCtx exec_ctx; grpc_auth_metadata_context auth_md_ctx = {test_service_url, test_method, nullptr, nullptr}; request_metadata_state* md_state = make_request_metadata_state( GRPC_ERROR_NONE, plugin_md, GPR_ARRAY_SIZE(plugin_md)); plugin.state = &state; plugin.get_metadata = plugin_get_metadata_success; plugin.destroy = plugin_destroy; plugin.debug_string = plugin_debug_string; grpc_call_credentials* creds = grpc_metadata_credentials_create_from_plugin( plugin, GRPC_PRIVACY_AND_INTEGRITY, nullptr); /* Check security level. */ GPR_ASSERT(creds->min_security_level() == GRPC_PRIVACY_AND_INTEGRITY); GPR_ASSERT(state == PLUGIN_INITIAL_STATE); run_request_metadata_test(creds, auth_md_ctx, md_state); GPR_ASSERT(state == PLUGIN_GET_METADATA_CALLED_STATE); GPR_ASSERT( strcmp(creds->debug_string().c_str(), expected_creds_debug_string) == 0); creds->Unref(); GPR_ASSERT(state == PLUGIN_DESTROY_CALLED_STATE); } static void test_metadata_plugin_failure(void) { const char expected_creds_debug_string[] = "TestPluginCredentials{state:GET_METADATA_CALLED}"; plugin_state state = PLUGIN_INITIAL_STATE; grpc_metadata_credentials_plugin plugin; grpc_core::ExecCtx exec_ctx; grpc_auth_metadata_context auth_md_ctx = {test_service_url, test_method, nullptr, nullptr}; std::string expected_error = absl::StrCat( "Getting metadata from plugin failed with error: ", plugin_error_details); request_metadata_state* md_state = make_request_metadata_state( GRPC_ERROR_CREATE_FROM_COPIED_STRING(expected_error.c_str()), nullptr, 0); plugin.state = &state; plugin.get_metadata = plugin_get_metadata_failure; plugin.destroy = plugin_destroy; plugin.debug_string = plugin_debug_string; grpc_call_credentials* creds = grpc_metadata_credentials_create_from_plugin( plugin, GRPC_PRIVACY_AND_INTEGRITY, nullptr); GPR_ASSERT(state == PLUGIN_INITIAL_STATE); run_request_metadata_test(creds, auth_md_ctx, md_state); GPR_ASSERT(state == PLUGIN_GET_METADATA_CALLED_STATE); GPR_ASSERT( strcmp(creds->debug_string().c_str(), expected_creds_debug_string) == 0); creds->Unref(); GPR_ASSERT(state == PLUGIN_DESTROY_CALLED_STATE); } static void test_get_well_known_google_credentials_file_path(void) { char* home = gpr_getenv("HOME"); bool restore_home_env = false; #if defined(GRPC_BAZEL_BUILD) && \ (defined(GPR_POSIX_ENV) || defined(GPR_LINUX_ENV)) // when running under bazel locally, the HOME variable is not set // so we set it to some fake value restore_home_env = true; gpr_setenv("HOME", "/fake/home/for/bazel"); #endif /* defined(GRPC_BAZEL_BUILD) && (defined(GPR_POSIX_ENV) || \ defined(GPR_LINUX_ENV)) */ std::string path = grpc_get_well_known_google_credentials_file_path(); GPR_ASSERT(!path.empty()); #if defined(GPR_POSIX_ENV) || defined(GPR_LINUX_ENV) restore_home_env = true; gpr_unsetenv("HOME"); path = grpc_get_well_known_google_credentials_file_path(); GPR_ASSERT(path.empty()); #endif /* GPR_POSIX_ENV || GPR_LINUX_ENV */ if (restore_home_env) { if (home) { gpr_setenv("HOME", home); } else { gpr_unsetenv("HOME"); } } gpr_free(home); } static void test_channel_creds_duplicate_without_call_creds(void) { const char expected_creds_debug_string[] = "AccessTokenCredentials{Token:present}"; grpc_core::ExecCtx exec_ctx; grpc_channel_credentials* channel_creds = grpc_fake_transport_security_credentials_create(); grpc_core::RefCountedPtr dup = channel_creds->duplicate_without_call_credentials(); GPR_ASSERT(dup == channel_creds); dup.reset(); grpc_call_credentials* call_creds = grpc_access_token_credentials_create("blah", nullptr); grpc_channel_credentials* composite_creds = grpc_composite_channel_credentials_create(channel_creds, call_creds, nullptr); GPR_ASSERT(strcmp(call_creds->debug_string().c_str(), expected_creds_debug_string) == 0); call_creds->Unref(); dup = composite_creds->duplicate_without_call_credentials(); GPR_ASSERT(dup == channel_creds); dup.reset(); channel_creds->Unref(); composite_creds->Unref(); } typedef struct { const char* url_scheme; const char* call_host; const char* call_method; const char* desired_service_url; const char* desired_method_name; } auth_metadata_context_test_case; static void test_auth_metadata_context(void) { auth_metadata_context_test_case test_cases[] = { // No service nor method. {"https", "www.foo.com", "", "https://www.foo.com", ""}, // No method. {"https", "www.foo.com", "/Service", "https://www.foo.com/Service", ""}, // Empty service and method. {"https", "www.foo.com", "//", "https://www.foo.com/", ""}, // Empty method. {"https", "www.foo.com", "/Service/", "https://www.foo.com/Service", ""}, // Malformed url. {"https", "www.foo.com:", "/Service/", "https://www.foo.com:/Service", ""}, // https, default explicit port. {"https", "www.foo.com:443", "/Service/FooMethod", "https://www.foo.com/Service", "FooMethod"}, // https, default implicit port. {"https", "www.foo.com", "/Service/FooMethod", "https://www.foo.com/Service", "FooMethod"}, // https with ipv6 literal, default explicit port. {"https", "[1080:0:0:0:8:800:200C:417A]:443", "/Service/FooMethod", "https://[1080:0:0:0:8:800:200C:417A]/Service", "FooMethod"}, // https with ipv6 literal, default implicit port. {"https", "[1080:0:0:0:8:800:200C:443]", "/Service/FooMethod", "https://[1080:0:0:0:8:800:200C:443]/Service", "FooMethod"}, // https, custom port. {"https", "www.foo.com:8888", "/Service/FooMethod", "https://www.foo.com:8888/Service", "FooMethod"}, // https with ipv6 literal, custom port. {"https", "[1080:0:0:0:8:800:200C:417A]:8888", "/Service/FooMethod", "https://[1080:0:0:0:8:800:200C:417A]:8888/Service", "FooMethod"}, // custom url scheme, https default port. {"blah", "www.foo.com:443", "/Service/FooMethod", "blah://www.foo.com:443/Service", "FooMethod"}}; for (uint32_t i = 0; i < GPR_ARRAY_SIZE(test_cases); i++) { const char* url_scheme = test_cases[i].url_scheme; grpc_slice call_host = grpc_slice_from_copied_string(test_cases[i].call_host); grpc_slice call_method = grpc_slice_from_copied_string(test_cases[i].call_method); grpc_auth_metadata_context auth_md_context; memset(&auth_md_context, 0, sizeof(auth_md_context)); grpc_auth_metadata_context_build(url_scheme, call_host, call_method, nullptr, &auth_md_context); if (strcmp(auth_md_context.service_url, test_cases[i].desired_service_url) != 0) { gpr_log(GPR_ERROR, "Invalid service url, want: %s, got %s.", test_cases[i].desired_service_url, auth_md_context.service_url); GPR_ASSERT(false); } if (strcmp(auth_md_context.method_name, test_cases[i].desired_method_name) != 0) { gpr_log(GPR_ERROR, "Invalid method name, want: %s, got %s.", test_cases[i].desired_method_name, auth_md_context.method_name); GPR_ASSERT(false); } GPR_ASSERT(auth_md_context.channel_auth_context == nullptr); grpc_slice_unref(call_host); grpc_slice_unref(call_method); grpc_auth_metadata_context_reset(&auth_md_context); } } static void validate_external_account_creds_token_exchage_request( const grpc_httpcli_request* request, const char* body, size_t body_size, bool /*expect_actor_token*/) { // Check that the body is constructed properly. GPR_ASSERT(body != nullptr); GPR_ASSERT(body_size != 0); GPR_ASSERT(request->handshaker == &grpc_httpcli_ssl); std::string get_url_equivalent = absl::StrFormat("%s?%s", "https://foo.com:5555/token", body); absl::StatusOr uri = grpc_core::URI::Parse(get_url_equivalent); if (!uri.ok()) { gpr_log(GPR_ERROR, "%s", uri.status().ToString().c_str()); GPR_ASSERT(uri.ok()); } assert_query_parameters(*uri, "audience", "audience"); assert_query_parameters(*uri, "grant_type", "urn:ietf:params:oauth:grant-type:token-exchange"); assert_query_parameters(*uri, "requested_token_type", "urn:ietf:params:oauth:token-type:access_token"); assert_query_parameters(*uri, "subject_token", "test_subject_token"); assert_query_parameters(*uri, "subject_token_type", "subject_token_type"); assert_query_parameters(*uri, "scope", "https://www.googleapis.com/auth/cloud-platform"); // Check the rest of the request. GPR_ASSERT(strcmp(request->host, "foo.com:5555") == 0); GPR_ASSERT(strcmp(request->http.path, "/token") == 0); GPR_ASSERT(request->http.hdr_count == 2); GPR_ASSERT(strcmp(request->http.hdrs[0].key, "Content-Type") == 0); GPR_ASSERT(strcmp(request->http.hdrs[0].value, "application/x-www-form-urlencoded") == 0); GPR_ASSERT(strcmp(request->http.hdrs[1].key, "Authorization") == 0); GPR_ASSERT(strcmp(request->http.hdrs[1].value, "Basic Y2xpZW50X2lkOmNsaWVudF9zZWNyZXQ=") == 0); } static void validate_external_account_creds_token_exchage_request_with_url_encode( const grpc_httpcli_request* request, const char* body, size_t body_size, bool /*expect_actor_token*/) { // Check that the body is constructed properly. GPR_ASSERT(body != nullptr); GPR_ASSERT(body_size != 0); GPR_ASSERT(request->handshaker == &grpc_httpcli_ssl); GPR_ASSERT( strcmp( std::string(body, body_size).c_str(), "audience=audience_!%40%23%24&grant_type=urn%3Aietf%3Aparams%3Aoauth%" "3Agrant-type%3Atoken-exchange&requested_token_type=urn%3Aietf%" "3Aparams%3Aoauth%3Atoken-type%3Aaccess_token&subject_token_type=" "subject_token_type_!%40%23%24&subject_token=test_subject_token&" "scope=https%3A%2F%2Fwww.googleapis.com%2Fauth%2Fcloud-platform") == 0); // Check the rest of the request. GPR_ASSERT(strcmp(request->host, "foo.com:5555") == 0); GPR_ASSERT(strcmp(request->http.path, "/token_url_encode") == 0); GPR_ASSERT(request->http.hdr_count == 2); GPR_ASSERT(strcmp(request->http.hdrs[0].key, "Content-Type") == 0); GPR_ASSERT(strcmp(request->http.hdrs[0].value, "application/x-www-form-urlencoded") == 0); GPR_ASSERT(strcmp(request->http.hdrs[1].key, "Authorization") == 0); GPR_ASSERT(strcmp(request->http.hdrs[1].value, "Basic Y2xpZW50X2lkOmNsaWVudF9zZWNyZXQ=") == 0); } static void validate_external_account_creds_service_account_impersonation_request( const grpc_httpcli_request* request, const char* body, size_t body_size, bool /*expect_actor_token*/) { // Check that the body is constructed properly. GPR_ASSERT(body != nullptr); GPR_ASSERT(body_size != 0); GPR_ASSERT(request->handshaker == &grpc_httpcli_ssl); GPR_ASSERT(strcmp(body, "scope=scope_1 scope_2") == 0); // Check the rest of the request. GPR_ASSERT(strcmp(request->host, "foo.com:5555") == 0); GPR_ASSERT(strcmp(request->http.path, "/service_account_impersonation") == 0); GPR_ASSERT(request->http.hdr_count == 2); GPR_ASSERT(strcmp(request->http.hdrs[0].key, "Content-Type") == 0); GPR_ASSERT(strcmp(request->http.hdrs[0].value, "application/x-www-form-urlencoded") == 0); GPR_ASSERT(strcmp(request->http.hdrs[1].key, "Authorization") == 0); GPR_ASSERT(strcmp(request->http.hdrs[1].value, "Bearer token_exchange_access_token") == 0); } static int external_account_creds_httpcli_post_success( const grpc_httpcli_request* request, const char* body, size_t body_size, grpc_millis /*deadline*/, grpc_closure* on_done, grpc_httpcli_response* response) { if (strcmp(request->http.path, "/token") == 0) { validate_external_account_creds_token_exchage_request(request, body, body_size, true); *response = http_response( 200, valid_external_account_creds_token_exchange_response); } else if (strcmp(request->http.path, "/service_account_impersonation") == 0) { validate_external_account_creds_service_account_impersonation_request( request, body, body_size, true); *response = http_response( 200, valid_external_account_creds_service_account_impersonation_response); } else if (strcmp(request->http.path, "/token_url_encode") == 0) { validate_external_account_creds_token_exchage_request_with_url_encode( request, body, body_size, true); *response = http_response( 200, valid_external_account_creds_token_exchange_response); } grpc_core::ExecCtx::Run(DEBUG_LOCATION, on_done, GRPC_ERROR_NONE); return 1; } static int external_account_creds_httpcli_post_failure_token_exchange_response_missing_access_token( const grpc_httpcli_request* request, const char* /*body*/, size_t /*body_size*/, grpc_millis /*deadline*/, grpc_closure* on_done, grpc_httpcli_response* response) { if (strcmp(request->http.path, "/token") == 0) { *response = http_response(200, "{\"not_access_token\":\"not_access_token\"," "\"expires_in\":3599," " \"token_type\":\"Bearer\"}"); } else if (strcmp(request->http.path, "/service_account_impersonation") == 0) { *response = http_response( 200, valid_external_account_creds_service_account_impersonation_response); } grpc_core::ExecCtx::Run(DEBUG_LOCATION, on_done, GRPC_ERROR_NONE); return 1; } static int url_external_account_creds_httpcli_get_success( const grpc_httpcli_request* request, grpc_millis /*deadline*/, grpc_closure* on_done, grpc_httpcli_response* response) { if (strcmp(request->http.path, "/generate_subject_token_format_text") == 0) { *response = http_response( 200, valid_url_external_account_creds_retrieve_subject_token_response_format_text); } else if (strcmp(request->http.path, "/path/to/url/creds?p1=v1&p2=v2") == 0) { *response = http_response( 200, valid_url_external_account_creds_retrieve_subject_token_response_format_text); } else if (strcmp(request->http.path, "/generate_subject_token_format_json") == 0) { *response = http_response( 200, valid_url_external_account_creds_retrieve_subject_token_response_format_json); } grpc_core::ExecCtx::Run(DEBUG_LOCATION, on_done, GRPC_ERROR_NONE); return 1; } static void validate_aws_external_account_creds_token_exchage_request( const grpc_httpcli_request* request, const char* body, size_t body_size, bool /*expect_actor_token*/) { // Check that the body is constructed properly. GPR_ASSERT(body != nullptr); GPR_ASSERT(body_size != 0); // Check that the regional_cred_verification_url got constructed // with the correct AWS Region ("test_regionz" or "test_region"). GPR_ASSERT(strstr(body, "regional_cred_verification_url_test_region")); GPR_ASSERT(request->handshaker == &grpc_httpcli_ssl); std::string get_url_equivalent = absl::StrFormat("%s?%s", "https://foo.com:5555/token", body); absl::StatusOr uri = grpc_core::URI::Parse(get_url_equivalent); GPR_ASSERT(uri.ok()); assert_query_parameters(*uri, "audience", "audience"); assert_query_parameters(*uri, "grant_type", "urn:ietf:params:oauth:grant-type:token-exchange"); assert_query_parameters(*uri, "requested_token_type", "urn:ietf:params:oauth:token-type:access_token"); assert_query_parameters(*uri, "subject_token_type", "subject_token_type"); assert_query_parameters(*uri, "scope", "https://www.googleapis.com/auth/cloud-platform"); // Check the rest of the request. GPR_ASSERT(strcmp(request->host, "foo.com:5555") == 0); GPR_ASSERT(strcmp(request->http.path, "/token") == 0); GPR_ASSERT(request->http.hdr_count == 2); GPR_ASSERT(strcmp(request->http.hdrs[0].key, "Content-Type") == 0); GPR_ASSERT(strcmp(request->http.hdrs[0].value, "application/x-www-form-urlencoded") == 0); GPR_ASSERT(strcmp(request->http.hdrs[1].key, "Authorization") == 0); GPR_ASSERT(strcmp(request->http.hdrs[1].value, "Basic Y2xpZW50X2lkOmNsaWVudF9zZWNyZXQ=") == 0); } static int aws_external_account_creds_httpcli_get_success( const grpc_httpcli_request* request, grpc_millis /*deadline*/, grpc_closure* on_done, grpc_httpcli_response* response) { if (strcmp(request->http.path, "/region_url") == 0) { *response = http_response(200, "test_regionz"); } else if (strcmp(request->http.path, "/url") == 0) { *response = http_response(200, "test_role_name"); } else if (strcmp(request->http.path, "/url_no_role_name") == 0) { *response = http_response(200, ""); } else if (strcmp(request->http.path, "/url/test_role_name") == 0) { *response = http_response( 200, valid_aws_external_account_creds_retrieve_signing_keys_response); } grpc_core::ExecCtx::Run(DEBUG_LOCATION, on_done, GRPC_ERROR_NONE); return 1; } static int aws_external_account_creds_httpcli_post_success( const grpc_httpcli_request* request, const char* body, size_t body_size, grpc_millis /*deadline*/, grpc_closure* on_done, grpc_httpcli_response* response) { if (strcmp(request->http.path, "/token") == 0) { validate_aws_external_account_creds_token_exchage_request(request, body, body_size, true); *response = http_response( 200, valid_external_account_creds_token_exchange_response); } grpc_core::ExecCtx::Run(DEBUG_LOCATION, on_done, GRPC_ERROR_NONE); return 1; } // The subclass of ExternalAccountCredentials for testing. // ExternalAccountCredentials is an abstract class so we can't directly test // against it. class TestExternalAccountCredentials final : public grpc_core::ExternalAccountCredentials { public: TestExternalAccountCredentials(Options options, std::vector scopes) : ExternalAccountCredentials(std::move(options), std::move(scopes)) {} protected: void RetrieveSubjectToken( HTTPRequestContext* /*ctx*/, const Options& /*options*/, std::function cb) override { cb("test_subject_token", GRPC_ERROR_NONE); } }; static void test_external_account_creds_success(void) { expected_md emd[] = {{"authorization", "Bearer token_exchange_access_token"}}; grpc_core::ExecCtx exec_ctx; grpc_auth_metadata_context auth_md_ctx = {test_service_url, test_method, nullptr, nullptr}; grpc_core::Json credential_source(""); TestExternalAccountCredentials::Options options = { "external_account", // type; "audience", // audience; "subject_token_type", // subject_token_type; "", // service_account_impersonation_url; "https://foo.com:5555/token", // token_url; "https://foo.com:5555/token_info", // token_info_url; credential_source, // credential_source; "quota_project_id", // quota_project_id; "client_id", // client_id; "client_secret", // client_secret; }; TestExternalAccountCredentials creds(options, {}); /* Check security level. */ GPR_ASSERT(creds.min_security_level() == GRPC_PRIVACY_AND_INTEGRITY); /* First request: http put should be called. */ request_metadata_state* state = make_request_metadata_state(GRPC_ERROR_NONE, emd, GPR_ARRAY_SIZE(emd)); grpc_httpcli_set_override(httpcli_get_should_not_be_called, external_account_creds_httpcli_post_success); run_request_metadata_test(&creds, auth_md_ctx, state); grpc_core::ExecCtx::Get()->Flush(); /* Second request: the cached token should be served directly. */ state = make_request_metadata_state(GRPC_ERROR_NONE, emd, GPR_ARRAY_SIZE(emd)); grpc_httpcli_set_override(httpcli_get_should_not_be_called, httpcli_post_should_not_be_called); run_request_metadata_test(&creds, auth_md_ctx, state); grpc_core::ExecCtx::Get()->Flush(); grpc_httpcli_set_override(nullptr, nullptr); } static void test_external_account_creds_success_with_url_encode(void) { expected_md emd[] = {{"authorization", "Bearer token_exchange_access_token"}}; grpc_core::ExecCtx exec_ctx; grpc_auth_metadata_context auth_md_ctx = {test_service_url, test_method, nullptr, nullptr}; grpc_core::Json credential_source(""); TestExternalAccountCredentials::Options options = { "external_account", // type; "audience_!@#$", // audience; "subject_token_type_!@#$", // subject_token_type; "", // service_account_impersonation_url; "https://foo.com:5555/token_url_encode", // token_url; "https://foo.com:5555/token_info", // token_info_url; credential_source, // credential_source; "quota_project_id", // quota_project_id; "client_id", // client_id; "client_secret", // client_secret; }; TestExternalAccountCredentials creds(options, {}); request_metadata_state* state = make_request_metadata_state(GRPC_ERROR_NONE, emd, GPR_ARRAY_SIZE(emd)); grpc_httpcli_set_override(httpcli_get_should_not_be_called, external_account_creds_httpcli_post_success); run_request_metadata_test(&creds, auth_md_ctx, state); grpc_core::ExecCtx::Get()->Flush(); grpc_httpcli_set_override(nullptr, nullptr); } static void test_external_account_creds_success_with_service_account_impersonation(void) { expected_md emd[] = { {"authorization", "Bearer service_account_impersonation_access_token"}}; grpc_core::ExecCtx exec_ctx; grpc_auth_metadata_context auth_md_ctx = {test_service_url, test_method, nullptr, nullptr}; grpc_core::Json credential_source(""); TestExternalAccountCredentials::Options options = { "external_account", // type; "audience", // audience; "subject_token_type", // subject_token_type; "https://foo.com:5555/service_account_impersonation", // service_account_impersonation_url; "https://foo.com:5555/token", // token_url; "https://foo.com:5555/token_info", // token_info_url; credential_source, // credential_source; "quota_project_id", // quota_project_id; "client_id", // client_id; "client_secret", // client_secret; }; TestExternalAccountCredentials creds(options, {"scope_1", "scope_2"}); /* Check security level. */ GPR_ASSERT(creds.min_security_level() == GRPC_PRIVACY_AND_INTEGRITY); /* First request: http put should be called. */ request_metadata_state* state = make_request_metadata_state(GRPC_ERROR_NONE, emd, GPR_ARRAY_SIZE(emd)); grpc_httpcli_set_override(httpcli_get_should_not_be_called, external_account_creds_httpcli_post_success); run_request_metadata_test(&creds, auth_md_ctx, state); grpc_core::ExecCtx::Get()->Flush(); grpc_httpcli_set_override(nullptr, nullptr); } static void test_external_account_creds_failure_invalid_token_url(void) { grpc_core::ExecCtx exec_ctx; grpc_auth_metadata_context auth_md_ctx = {test_service_url, test_method, nullptr, nullptr}; grpc_core::Json credential_source(""); TestExternalAccountCredentials::Options options = { "external_account", // type; "audience", // audience; "subject_token_type", // subject_token_type; "https://foo.com:5555/service_account_impersonation", // service_account_impersonation_url; "invalid_token_url", // token_url; "https://foo.com:5555/token_info", // token_info_url; credential_source, // credential_source; "quota_project_id", // quota_project_id; "client_id", // client_id; "client_secret", // client_secret; }; TestExternalAccountCredentials creds(options, {}); grpc_httpcli_set_override(httpcli_get_should_not_be_called, httpcli_post_should_not_be_called); grpc_error_handle error = GRPC_ERROR_CREATE_FROM_STATIC_STRING( "Invalid token url: invalid_token_url."); grpc_error_handle expected_error = GRPC_ERROR_CREATE_REFERENCING_FROM_STATIC_STRING( "Error occurred when fetching oauth2 token.", &error, 1); request_metadata_state* state = make_request_metadata_state(expected_error, nullptr, 0); run_request_metadata_test(&creds, auth_md_ctx, state); GRPC_ERROR_UNREF(error); grpc_core::ExecCtx::Get()->Flush(); grpc_httpcli_set_override(nullptr, nullptr); } static void test_external_account_creds_failure_invalid_service_account_impersonation_url( void) { grpc_core::ExecCtx exec_ctx; grpc_auth_metadata_context auth_md_ctx = {test_service_url, test_method, nullptr, nullptr}; grpc_core::Json credential_source(""); TestExternalAccountCredentials::Options options = { "external_account", // type; "audience", // audience; "subject_token_type", // subject_token_type; "invalid_service_account_impersonation_url", // service_account_impersonation_url; "https://foo.com:5555/token", // token_url; "https://foo.com:5555/token_info", // token_info_url; credential_source, // credential_source; "quota_project_id", // quota_project_id; "client_id", // client_id; "client_secret", // client_secret; }; TestExternalAccountCredentials creds(options, {}); grpc_httpcli_set_override(httpcli_get_should_not_be_called, external_account_creds_httpcli_post_success); grpc_error_handle error = GRPC_ERROR_CREATE_FROM_STATIC_STRING( "Invalid service account impersonation url: " "invalid_service_account_impersonation_url."); grpc_error_handle expected_error = GRPC_ERROR_CREATE_REFERENCING_FROM_STATIC_STRING( "Error occurred when fetching oauth2 token.", &error, 1); request_metadata_state* state = make_request_metadata_state(expected_error, nullptr, 0); run_request_metadata_test(&creds, auth_md_ctx, state); GRPC_ERROR_UNREF(error); grpc_core::ExecCtx::Get()->Flush(); grpc_httpcli_set_override(nullptr, nullptr); } static void test_external_account_creds_failure_token_exchange_response_missing_access_token( void) { grpc_core::ExecCtx exec_ctx; grpc_auth_metadata_context auth_md_ctx = {test_service_url, test_method, nullptr, nullptr}; grpc_core::Json credential_source(""); TestExternalAccountCredentials::Options options = { "external_account", // type; "audience", // audience; "subject_token_type", // subject_token_type; "https://foo.com:5555/service_account_impersonation", // service_account_impersonation_url; "https://foo.com:5555/token", // token_url; "https://foo.com:5555/token_info", // token_info_url; credential_source, // credential_source; "quota_project_id", // quota_project_id; "client_id", // client_id; "client_secret", // client_secret; }; TestExternalAccountCredentials creds(options, {}); grpc_httpcli_set_override( httpcli_get_should_not_be_called, external_account_creds_httpcli_post_failure_token_exchange_response_missing_access_token); grpc_error_handle error = GRPC_ERROR_CREATE_FROM_STATIC_STRING( "Missing or invalid access_token in " "{\"not_access_token\":\"not_access_token\",\"expires_in\":3599,\"token_" "type\":\"Bearer\"}."); grpc_error_handle expected_error = GRPC_ERROR_CREATE_REFERENCING_FROM_STATIC_STRING( "Error occurred when fetching oauth2 token.", &error, 1); request_metadata_state* state = make_request_metadata_state(expected_error, nullptr, 0); run_request_metadata_test(&creds, auth_md_ctx, state); GRPC_ERROR_UNREF(error); grpc_core::ExecCtx::Get()->Flush(); grpc_httpcli_set_override(nullptr, nullptr); } static void test_url_external_account_creds_success_format_text(void) { expected_md emd[] = {{"authorization", "Bearer token_exchange_access_token"}}; grpc_core::ExecCtx exec_ctx; grpc_auth_metadata_context auth_md_ctx = {test_service_url, test_method, nullptr, nullptr}; grpc_error_handle error = GRPC_ERROR_NONE; grpc_core::Json credential_source = grpc_core::Json::Parse( valid_url_external_account_creds_options_credential_source_format_text, &error); GPR_ASSERT(error == GRPC_ERROR_NONE); grpc_core::ExternalAccountCredentials::Options options = { "external_account", // type; "audience", // audience; "subject_token_type", // subject_token_type; "", // service_account_impersonation_url; "https://foo.com:5555/token", // token_url; "https://foo.com:5555/token_info", // token_info_url; credential_source, // credential_source; "quota_project_id", // quota_project_id; "client_id", // client_id; "client_secret", // client_secret; }; auto creds = grpc_core::UrlExternalAccountCredentials::Create(options, {}, &error); GPR_ASSERT(creds != nullptr); GPR_ASSERT(error == GRPC_ERROR_NONE); GPR_ASSERT(creds->min_security_level() == GRPC_PRIVACY_AND_INTEGRITY); request_metadata_state* state = make_request_metadata_state(GRPC_ERROR_NONE, emd, GPR_ARRAY_SIZE(emd)); grpc_httpcli_set_override(url_external_account_creds_httpcli_get_success, external_account_creds_httpcli_post_success); run_request_metadata_test(creds.get(), auth_md_ctx, state); grpc_core::ExecCtx::Get()->Flush(); grpc_httpcli_set_override(nullptr, nullptr); } static void test_url_external_account_creds_success_with_qurey_params_format_text(void) { expected_md emd[] = {{"authorization", "Bearer token_exchange_access_token"}}; grpc_core::ExecCtx exec_ctx; grpc_auth_metadata_context auth_md_ctx = {test_service_url, test_method, nullptr, nullptr}; grpc_error_handle error = GRPC_ERROR_NONE; grpc_core::Json credential_source = grpc_core::Json::Parse( valid_url_external_account_creds_options_credential_source_with_qurey_params_format_text, &error); GPR_ASSERT(error == GRPC_ERROR_NONE); grpc_core::ExternalAccountCredentials::Options options = { "external_account", // type; "audience", // audience; "subject_token_type", // subject_token_type; "", // service_account_impersonation_url; "https://foo.com:5555/token", // token_url; "https://foo.com:5555/token_info", // token_info_url; credential_source, // credential_source; "quota_project_id", // quota_project_id; "client_id", // client_id; "client_secret", // client_secret; }; auto creds = grpc_core::UrlExternalAccountCredentials::Create(options, {}, &error); GPR_ASSERT(creds != nullptr); GPR_ASSERT(error == GRPC_ERROR_NONE); GPR_ASSERT(creds->min_security_level() == GRPC_PRIVACY_AND_INTEGRITY); request_metadata_state* state = make_request_metadata_state(GRPC_ERROR_NONE, emd, GPR_ARRAY_SIZE(emd)); grpc_httpcli_set_override(url_external_account_creds_httpcli_get_success, external_account_creds_httpcli_post_success); run_request_metadata_test(creds.get(), auth_md_ctx, state); grpc_core::ExecCtx::Get()->Flush(); grpc_httpcli_set_override(nullptr, nullptr); } static void test_url_external_account_creds_success_format_json(void) { expected_md emd[] = {{"authorization", "Bearer token_exchange_access_token"}}; grpc_core::ExecCtx exec_ctx; grpc_auth_metadata_context auth_md_ctx = {test_service_url, test_method, nullptr, nullptr}; grpc_error_handle error = GRPC_ERROR_NONE; grpc_core::Json credential_source = grpc_core::Json::Parse( valid_url_external_account_creds_options_credential_source_format_json, &error); GPR_ASSERT(error == GRPC_ERROR_NONE); grpc_core::ExternalAccountCredentials::Options options = { "external_account", // type; "audience", // audience; "subject_token_type", // subject_token_type; "", // service_account_impersonation_url; "https://foo.com:5555/token", // token_url; "https://foo.com:5555/token_info", // token_info_url; credential_source, // credential_source; "quota_project_id", // quota_project_id; "client_id", // client_id; "client_secret", // client_secret; }; auto creds = grpc_core::UrlExternalAccountCredentials::Create(options, {}, &error); GPR_ASSERT(creds != nullptr); GPR_ASSERT(error == GRPC_ERROR_NONE); GPR_ASSERT(creds->min_security_level() == GRPC_PRIVACY_AND_INTEGRITY); request_metadata_state* state = make_request_metadata_state(GRPC_ERROR_NONE, emd, GPR_ARRAY_SIZE(emd)); grpc_httpcli_set_override(url_external_account_creds_httpcli_get_success, external_account_creds_httpcli_post_success); run_request_metadata_test(creds.get(), auth_md_ctx, state); grpc_core::ExecCtx::Get()->Flush(); grpc_httpcli_set_override(nullptr, nullptr); } static void test_url_external_account_creds_failure_invalid_credential_source_url(void) { grpc_error_handle error = GRPC_ERROR_NONE; grpc_core::Json credential_source = grpc_core::Json::Parse( invalid_url_external_account_creds_options_credential_source, &error); GPR_ASSERT(error == GRPC_ERROR_NONE); grpc_core::ExternalAccountCredentials::Options options = { "external_account", // type; "audience", // audience; "subject_token_type", // subject_token_type; "", // service_account_impersonation_url; "https://foo.com:5555/token", // token_url; "https://foo.com:5555/token_info", // token_info_url; credential_source, // credential_source; "quota_project_id", // quota_project_id; "client_id", // client_id; "client_secret", // client_secret; }; auto creds = grpc_core::UrlExternalAccountCredentials::Create(options, {}, &error); GPR_ASSERT(creds == nullptr); grpc_slice actual_error_slice; GPR_ASSERT(grpc_error_get_str(error, GRPC_ERROR_STR_DESCRIPTION, &actual_error_slice)); absl::string_view actual_error = grpc_core::StringViewFromSlice(actual_error_slice); GPR_ASSERT(absl::StartsWith(actual_error, "Invalid credential source url.")); GRPC_ERROR_UNREF(error); } static void test_file_external_account_creds_success_format_text(void) { expected_md emd[] = {{"authorization", "Bearer token_exchange_access_token"}}; grpc_core::ExecCtx exec_ctx; grpc_auth_metadata_context auth_md_ctx = {test_service_url, test_method, nullptr, nullptr}; grpc_error_handle error = GRPC_ERROR_NONE; char* subject_token_path = write_tmp_jwt_file("test_subject_token"); grpc_core::Json credential_source = grpc_core::Json::Parse( absl::StrFormat( "{\"file\":\"%s\"}", absl::StrReplaceAll(subject_token_path, {{"\\", "\\\\"}})), &error); GPR_ASSERT(error == GRPC_ERROR_NONE); grpc_core::ExternalAccountCredentials::Options options = { "external_account", // type; "audience", // audience; "subject_token_type", // subject_token_type; "", // service_account_impersonation_url; "https://foo.com:5555/token", // token_url; "https://foo.com:5555/token_info", // token_info_url; credential_source, // credential_source; "quota_project_id", // quota_project_id; "client_id", // client_id; "client_secret", // client_secret; }; auto creds = grpc_core::FileExternalAccountCredentials::Create(options, {}, &error); GPR_ASSERT(creds != nullptr); GPR_ASSERT(error == GRPC_ERROR_NONE); GPR_ASSERT(creds->min_security_level() == GRPC_PRIVACY_AND_INTEGRITY); request_metadata_state* state = make_request_metadata_state(GRPC_ERROR_NONE, emd, GPR_ARRAY_SIZE(emd)); grpc_httpcli_set_override(httpcli_get_should_not_be_called, external_account_creds_httpcli_post_success); run_request_metadata_test(creds.get(), auth_md_ctx, state); grpc_core::ExecCtx::Get()->Flush(); grpc_httpcli_set_override(nullptr, nullptr); GRPC_ERROR_UNREF(error); gpr_free(subject_token_path); } static void test_file_external_account_creds_success_format_json(void) { expected_md emd[] = {{"authorization", "Bearer token_exchange_access_token"}}; grpc_core::ExecCtx exec_ctx; grpc_auth_metadata_context auth_md_ctx = {test_service_url, test_method, nullptr, nullptr}; grpc_error_handle error = GRPC_ERROR_NONE; char* subject_token_path = write_tmp_jwt_file("{\"access_token\":\"test_subject_token\"}"); grpc_core::Json credential_source = grpc_core::Json::Parse( absl::StrFormat( "{\n" "\"file\":\"%s\",\n" "\"format\":\n" "{\n" "\"type\":\"json\",\n" "\"subject_token_field_name\":\"access_token\"\n" "}\n" "}", absl::StrReplaceAll(subject_token_path, {{"\\", "\\\\"}})), &error); GPR_ASSERT(error == GRPC_ERROR_NONE); grpc_core::ExternalAccountCredentials::Options options = { "external_account", // type; "audience", // audience; "subject_token_type", // subject_token_type; "", // service_account_impersonation_url; "https://foo.com:5555/token", // token_url; "https://foo.com:5555/token_info", // token_info_url; credential_source, // credential_source; "quota_project_id", // quota_project_id; "client_id", // client_id; "client_secret", // client_secret; }; auto creds = grpc_core::FileExternalAccountCredentials::Create(options, {}, &error); GPR_ASSERT(creds != nullptr); GPR_ASSERT(error == GRPC_ERROR_NONE); GPR_ASSERT(creds->min_security_level() == GRPC_PRIVACY_AND_INTEGRITY); request_metadata_state* state = make_request_metadata_state(GRPC_ERROR_NONE, emd, GPR_ARRAY_SIZE(emd)); grpc_httpcli_set_override(httpcli_get_should_not_be_called, external_account_creds_httpcli_post_success); run_request_metadata_test(creds.get(), auth_md_ctx, state); grpc_core::ExecCtx::Get()->Flush(); grpc_httpcli_set_override(nullptr, nullptr); GRPC_ERROR_UNREF(error); gpr_free(subject_token_path); } static void test_file_external_account_creds_failure_file_not_found(void) { grpc_core::ExecCtx exec_ctx; grpc_auth_metadata_context auth_md_ctx = {test_service_url, test_method, nullptr, nullptr}; grpc_error_handle error = GRPC_ERROR_NONE; grpc_core::Json credential_source = grpc_core::Json::Parse("{\"file\":\"non_exisiting_file\"}", &error); GPR_ASSERT(error == GRPC_ERROR_NONE); grpc_core::ExternalAccountCredentials::Options options = { "external_account", // type; "audience", // audience; "subject_token_type", // subject_token_type; "", // service_account_impersonation_url; "https://foo.com:5555/token", // token_url; "https://foo.com:5555/token_info", // token_info_url; credential_source, // credential_source; "quota_project_id", // quota_project_id; "client_id", // client_id; "client_secret", // client_secret; }; auto creds = grpc_core::FileExternalAccountCredentials::Create(options, {}, &error); GPR_ASSERT(creds != nullptr); GPR_ASSERT(error == GRPC_ERROR_NONE); grpc_httpcli_set_override(httpcli_get_should_not_be_called, httpcli_post_should_not_be_called); error = GRPC_ERROR_CREATE_FROM_STATIC_STRING("Failed to load file"); grpc_error_handle expected_error = GRPC_ERROR_CREATE_REFERENCING_FROM_STATIC_STRING( "Error occurred when fetching oauth2 token.", &error, 1); request_metadata_state* state = make_request_metadata_state(expected_error, nullptr, 0); run_request_metadata_test(creds.get(), auth_md_ctx, state); grpc_core::ExecCtx::Get()->Flush(); grpc_httpcli_set_override(nullptr, nullptr); GRPC_ERROR_UNREF(error); } static void test_file_external_account_creds_failure_invalid_json_content( void) { grpc_core::ExecCtx exec_ctx; grpc_auth_metadata_context auth_md_ctx = {test_service_url, test_method, nullptr, nullptr}; grpc_error_handle error = GRPC_ERROR_NONE; char* subject_token_path = write_tmp_jwt_file("not_a_valid_json_file"); grpc_core::Json credential_source = grpc_core::Json::Parse( absl::StrFormat( "{\n" "\"file\":\"%s\",\n" "\"format\":\n" "{\n" "\"type\":\"json\",\n" "\"subject_token_field_name\":\"access_token\"\n" "}\n" "}", absl::StrReplaceAll(subject_token_path, {{"\\", "\\\\"}})), &error); GPR_ASSERT(error == GRPC_ERROR_NONE); grpc_core::ExternalAccountCredentials::Options options = { "external_account", // type; "audience", // audience; "subject_token_type", // subject_token_type; "", // service_account_impersonation_url; "https://foo.com:5555/token", // token_url; "https://foo.com:5555/token_info", // token_info_url; credential_source, // credential_source; "quota_project_id", // quota_project_id; "client_id", // client_id; "client_secret", // client_secret; }; auto creds = grpc_core::FileExternalAccountCredentials::Create(options, {}, &error); GPR_ASSERT(creds != nullptr); GPR_ASSERT(error == GRPC_ERROR_NONE); grpc_httpcli_set_override(httpcli_get_should_not_be_called, httpcli_post_should_not_be_called); error = GRPC_ERROR_CREATE_FROM_STATIC_STRING( "The content of the file is not a valid json object."); grpc_error_handle expected_error = GRPC_ERROR_CREATE_REFERENCING_FROM_STATIC_STRING( "Error occurred when fetching oauth2 token.", &error, 1); request_metadata_state* state = make_request_metadata_state(expected_error, nullptr, 0); run_request_metadata_test(creds.get(), auth_md_ctx, state); grpc_core::ExecCtx::Get()->Flush(); grpc_httpcli_set_override(nullptr, nullptr); GRPC_ERROR_UNREF(error); gpr_free(subject_token_path); } static void test_aws_external_account_creds_success(void) { expected_md emd[] = {{"authorization", "Bearer token_exchange_access_token"}}; grpc_core::ExecCtx exec_ctx; grpc_auth_metadata_context auth_md_ctx = {test_service_url, test_method, nullptr, nullptr}; grpc_error_handle error = GRPC_ERROR_NONE; grpc_core::Json credential_source = grpc_core::Json::Parse( valid_aws_external_account_creds_options_credential_source, &error); GPR_ASSERT(error == GRPC_ERROR_NONE); grpc_core::ExternalAccountCredentials::Options options = { "external_account", // type; "audience", // audience; "subject_token_type", // subject_token_type; "", // service_account_impersonation_url; "https://foo.com:5555/token", // token_url; "https://foo.com:5555/token_info", // token_info_url; credential_source, // credential_source; "quota_project_id", // quota_project_id; "client_id", // client_id; "client_secret", // client_secret; }; auto creds = grpc_core::AwsExternalAccountCredentials::Create(options, {}, &error); GPR_ASSERT(creds != nullptr); GPR_ASSERT(error == GRPC_ERROR_NONE); GPR_ASSERT(creds->min_security_level() == GRPC_PRIVACY_AND_INTEGRITY); request_metadata_state* state = make_request_metadata_state(GRPC_ERROR_NONE, emd, GPR_ARRAY_SIZE(emd)); grpc_httpcli_set_override(aws_external_account_creds_httpcli_get_success, aws_external_account_creds_httpcli_post_success); run_request_metadata_test(creds.get(), auth_md_ctx, state); grpc_core::ExecCtx::Get()->Flush(); grpc_httpcli_set_override(nullptr, nullptr); } static void test_aws_external_account_creds_success_path_region_env_keys_url( void) { expected_md emd[] = {{"authorization", "Bearer token_exchange_access_token"}}; grpc_core::ExecCtx exec_ctx; grpc_auth_metadata_context auth_md_ctx = {test_service_url, test_method, nullptr, nullptr}; gpr_setenv("AWS_REGION", "test_regionz"); grpc_error_handle error = GRPC_ERROR_NONE; grpc_core::Json credential_source = grpc_core::Json::Parse( valid_aws_external_account_creds_options_credential_source, &error); GPR_ASSERT(error == GRPC_ERROR_NONE); grpc_core::ExternalAccountCredentials::Options options = { "external_account", // type; "audience", // audience; "subject_token_type", // subject_token_type; "", // service_account_impersonation_url; "https://foo.com:5555/token", // token_url; "https://foo.com:5555/token_info", // token_info_url; credential_source, // credential_source; "quota_project_id", // quota_project_id; "client_id", // client_id; "client_secret", // client_secret; }; auto creds = grpc_core::AwsExternalAccountCredentials::Create(options, {}, &error); GPR_ASSERT(creds != nullptr); GPR_ASSERT(error == GRPC_ERROR_NONE); GPR_ASSERT(creds->min_security_level() == GRPC_PRIVACY_AND_INTEGRITY); request_metadata_state* state = make_request_metadata_state(GRPC_ERROR_NONE, emd, GPR_ARRAY_SIZE(emd)); grpc_httpcli_set_override(aws_external_account_creds_httpcli_get_success, aws_external_account_creds_httpcli_post_success); run_request_metadata_test(creds.get(), auth_md_ctx, state); grpc_core::ExecCtx::Get()->Flush(); grpc_httpcli_set_override(nullptr, nullptr); gpr_unsetenv("AWS_REGION"); } static void test_aws_external_account_creds_success_path_default_region_env_keys_url(void) { expected_md emd[] = {{"authorization", "Bearer token_exchange_access_token"}}; grpc_core::ExecCtx exec_ctx; grpc_auth_metadata_context auth_md_ctx = {test_service_url, test_method, nullptr, nullptr}; gpr_setenv("AWS_DEFAULT_REGION", "test_regionz"); grpc_error_handle error = GRPC_ERROR_NONE; grpc_core::Json credential_source = grpc_core::Json::Parse( valid_aws_external_account_creds_options_credential_source, &error); GPR_ASSERT(error == GRPC_ERROR_NONE); grpc_core::ExternalAccountCredentials::Options options = { "external_account", // type; "audience", // audience; "subject_token_type", // subject_token_type; "", // service_account_impersonation_url; "https://foo.com:5555/token", // token_url; "https://foo.com:5555/token_info", // token_info_url; credential_source, // credential_source; "quota_project_id", // quota_project_id; "client_id", // client_id; "client_secret", // client_secret; }; auto creds = grpc_core::AwsExternalAccountCredentials::Create(options, {}, &error); GPR_ASSERT(creds != nullptr); GPR_ASSERT(error == GRPC_ERROR_NONE); GPR_ASSERT(creds->min_security_level() == GRPC_PRIVACY_AND_INTEGRITY); request_metadata_state* state = make_request_metadata_state(GRPC_ERROR_NONE, emd, GPR_ARRAY_SIZE(emd)); grpc_httpcli_set_override(aws_external_account_creds_httpcli_get_success, aws_external_account_creds_httpcli_post_success); run_request_metadata_test(creds.get(), auth_md_ctx, state); grpc_core::ExecCtx::Get()->Flush(); grpc_httpcli_set_override(nullptr, nullptr); gpr_unsetenv("AWS_DEFAULT_REGION"); } static void test_aws_external_account_creds_success_path_duplicate_region_env_keys_url( void) { expected_md emd[] = {{"authorization", "Bearer token_exchange_access_token"}}; grpc_core::ExecCtx exec_ctx; grpc_auth_metadata_context auth_md_ctx = {test_service_url, test_method, nullptr, nullptr}; // Make sure that AWS_REGION gets used over AWS_DEFAULT_REGION gpr_setenv("AWS_REGION", "test_regionz"); gpr_setenv("AWS_DEFAULT_REGION", "ERROR_REGION"); grpc_error_handle error = GRPC_ERROR_NONE; grpc_core::Json credential_source = grpc_core::Json::Parse( valid_aws_external_account_creds_options_credential_source, &error); GPR_ASSERT(error == GRPC_ERROR_NONE); grpc_core::ExternalAccountCredentials::Options options = { "external_account", // type; "audience", // audience; "subject_token_type", // subject_token_type; "", // service_account_impersonation_url; "https://foo.com:5555/token", // token_url; "https://foo.com:5555/token_info", // token_info_url; credential_source, // credential_source; "quota_project_id", // quota_project_id; "client_id", // client_id; "client_secret", // client_secret; }; auto creds = grpc_core::AwsExternalAccountCredentials::Create(options, {}, &error); GPR_ASSERT(creds != nullptr); GPR_ASSERT(error == GRPC_ERROR_NONE); GPR_ASSERT(creds->min_security_level() == GRPC_PRIVACY_AND_INTEGRITY); request_metadata_state* state = make_request_metadata_state(GRPC_ERROR_NONE, emd, GPR_ARRAY_SIZE(emd)); grpc_httpcli_set_override(aws_external_account_creds_httpcli_get_success, aws_external_account_creds_httpcli_post_success); run_request_metadata_test(creds.get(), auth_md_ctx, state); grpc_core::ExecCtx::Get()->Flush(); grpc_httpcli_set_override(nullptr, nullptr); gpr_unsetenv("AWS_REGION"); gpr_unsetenv("AWS_DEFAULT_REGION"); } static void test_aws_external_account_creds_success_path_region_url_keys_env( void) { expected_md emd[] = {{"authorization", "Bearer token_exchange_access_token"}}; grpc_core::ExecCtx exec_ctx; grpc_auth_metadata_context auth_md_ctx = {test_service_url, test_method, nullptr, nullptr}; gpr_setenv("AWS_ACCESS_KEY_ID", "test_access_key_id"); gpr_setenv("AWS_SECRET_ACCESS_KEY", "test_secret_access_key"); gpr_setenv("AWS_SESSION_TOKEN", "test_token"); grpc_error_handle error = GRPC_ERROR_NONE; grpc_core::Json credential_source = grpc_core::Json::Parse( valid_aws_external_account_creds_options_credential_source, &error); GPR_ASSERT(error == GRPC_ERROR_NONE); grpc_core::ExternalAccountCredentials::Options options = { "external_account", // type; "audience", // audience; "subject_token_type", // subject_token_type; "", // service_account_impersonation_url; "https://foo.com:5555/token", // token_url; "https://foo.com:5555/token_info", // token_info_url; credential_source, // credential_source; "quota_project_id", // quota_project_id; "client_id", // client_id; "client_secret", // client_secret; }; auto creds = grpc_core::AwsExternalAccountCredentials::Create(options, {}, &error); GPR_ASSERT(creds != nullptr); GPR_ASSERT(error == GRPC_ERROR_NONE); GPR_ASSERT(creds->min_security_level() == GRPC_PRIVACY_AND_INTEGRITY); request_metadata_state* state = make_request_metadata_state(GRPC_ERROR_NONE, emd, GPR_ARRAY_SIZE(emd)); grpc_httpcli_set_override(aws_external_account_creds_httpcli_get_success, aws_external_account_creds_httpcli_post_success); run_request_metadata_test(creds.get(), auth_md_ctx, state); grpc_core::ExecCtx::Get()->Flush(); grpc_httpcli_set_override(nullptr, nullptr); gpr_unsetenv("AWS_ACCESS_KEY_ID"); gpr_unsetenv("AWS_SECRET_ACCESS_KEY"); gpr_unsetenv("AWS_SESSION_TOKEN"); } static void test_aws_external_account_creds_success_path_region_env_keys_env( void) { expected_md emd[] = {{"authorization", "Bearer token_exchange_access_token"}}; grpc_core::ExecCtx exec_ctx; grpc_auth_metadata_context auth_md_ctx = {test_service_url, test_method, nullptr, nullptr}; gpr_setenv("AWS_REGION", "test_regionz"); gpr_setenv("AWS_ACCESS_KEY_ID", "test_access_key_id"); gpr_setenv("AWS_SECRET_ACCESS_KEY", "test_secret_access_key"); gpr_setenv("AWS_SESSION_TOKEN", "test_token"); grpc_error_handle error = GRPC_ERROR_NONE; grpc_core::Json credential_source = grpc_core::Json::Parse( valid_aws_external_account_creds_options_credential_source, &error); GPR_ASSERT(error == GRPC_ERROR_NONE); grpc_core::ExternalAccountCredentials::Options options = { "external_account", // type; "audience", // audience; "subject_token_type", // subject_token_type; "", // service_account_impersonation_url; "https://foo.com:5555/token", // token_url; "https://foo.com:5555/token_info", // token_info_url; credential_source, // credential_source; "quota_project_id", // quota_project_id; "client_id", // client_id; "client_secret", // client_secret; }; auto creds = grpc_core::AwsExternalAccountCredentials::Create(options, {}, &error); GPR_ASSERT(creds != nullptr); GPR_ASSERT(error == GRPC_ERROR_NONE); GPR_ASSERT(creds->min_security_level() == GRPC_PRIVACY_AND_INTEGRITY); request_metadata_state* state = make_request_metadata_state(GRPC_ERROR_NONE, emd, GPR_ARRAY_SIZE(emd)); grpc_httpcli_set_override(aws_external_account_creds_httpcli_get_success, aws_external_account_creds_httpcli_post_success); run_request_metadata_test(creds.get(), auth_md_ctx, state); grpc_core::ExecCtx::Get()->Flush(); grpc_httpcli_set_override(nullptr, nullptr); gpr_unsetenv("AWS_REGION"); gpr_unsetenv("AWS_ACCESS_KEY_ID"); gpr_unsetenv("AWS_SECRET_ACCESS_KEY"); gpr_unsetenv("AWS_SESSION_TOKEN"); } static void test_aws_external_account_creds_success_path_default_region_env_keys_env(void) { expected_md emd[] = {{"authorization", "Bearer token_exchange_access_token"}}; grpc_core::ExecCtx exec_ctx; grpc_auth_metadata_context auth_md_ctx = {test_service_url, test_method, nullptr, nullptr}; gpr_setenv("AWS_DEFAULT_REGION", "test_regionz"); gpr_setenv("AWS_ACCESS_KEY_ID", "test_access_key_id"); gpr_setenv("AWS_SECRET_ACCESS_KEY", "test_secret_access_key"); gpr_setenv("AWS_SESSION_TOKEN", "test_token"); grpc_error_handle error = GRPC_ERROR_NONE; grpc_core::Json credential_source = grpc_core::Json::Parse( valid_aws_external_account_creds_options_credential_source, &error); GPR_ASSERT(error == GRPC_ERROR_NONE); grpc_core::ExternalAccountCredentials::Options options = { "external_account", // type; "audience", // audience; "subject_token_type", // subject_token_type; "", // service_account_impersonation_url; "https://foo.com:5555/token", // token_url; "https://foo.com:5555/token_info", // token_info_url; credential_source, // credential_source; "quota_project_id", // quota_project_id; "client_id", // client_id; "client_secret", // client_secret; }; auto creds = grpc_core::AwsExternalAccountCredentials::Create(options, {}, &error); GPR_ASSERT(creds != nullptr); GPR_ASSERT(error == GRPC_ERROR_NONE); GPR_ASSERT(creds->min_security_level() == GRPC_PRIVACY_AND_INTEGRITY); request_metadata_state* state = make_request_metadata_state(GRPC_ERROR_NONE, emd, GPR_ARRAY_SIZE(emd)); grpc_httpcli_set_override(aws_external_account_creds_httpcli_get_success, aws_external_account_creds_httpcli_post_success); run_request_metadata_test(creds.get(), auth_md_ctx, state); grpc_core::ExecCtx::Get()->Flush(); grpc_httpcli_set_override(nullptr, nullptr); gpr_unsetenv("AWS_DEFAULT_REGION"); gpr_unsetenv("AWS_ACCESS_KEY_ID"); gpr_unsetenv("AWS_SECRET_ACCESS_KEY"); gpr_unsetenv("AWS_SESSION_TOKEN"); } static void test_aws_external_account_creds_success_path_duplicate_region_env_keys_env( void) { expected_md emd[] = {{"authorization", "Bearer token_exchange_access_token"}}; grpc_core::ExecCtx exec_ctx; grpc_auth_metadata_context auth_md_ctx = {test_service_url, test_method, nullptr, nullptr}; // Make sure that AWS_REGION gets used over AWS_DEFAULT_REGION gpr_setenv("AWS_REGION", "test_regionz"); gpr_setenv("AWS_DEFAULT_REGION", "ERROR_REGION"); gpr_setenv("AWS_ACCESS_KEY_ID", "test_access_key_id"); gpr_setenv("AWS_SECRET_ACCESS_KEY", "test_secret_access_key"); gpr_setenv("AWS_SESSION_TOKEN", "test_token"); grpc_error_handle error = GRPC_ERROR_NONE; grpc_core::Json credential_source = grpc_core::Json::Parse( valid_aws_external_account_creds_options_credential_source, &error); GPR_ASSERT(error == GRPC_ERROR_NONE); grpc_core::ExternalAccountCredentials::Options options = { "external_account", // type; "audience", // audience; "subject_token_type", // subject_token_type; "", // service_account_impersonation_url; "https://foo.com:5555/token", // token_url; "https://foo.com:5555/token_info", // token_info_url; credential_source, // credential_source; "quota_project_id", // quota_project_id; "client_id", // client_id; "client_secret", // client_secret; }; auto creds = grpc_core::AwsExternalAccountCredentials::Create(options, {}, &error); GPR_ASSERT(creds != nullptr); GPR_ASSERT(error == GRPC_ERROR_NONE); GPR_ASSERT(creds->min_security_level() == GRPC_PRIVACY_AND_INTEGRITY); request_metadata_state* state = make_request_metadata_state(GRPC_ERROR_NONE, emd, GPR_ARRAY_SIZE(emd)); grpc_httpcli_set_override(aws_external_account_creds_httpcli_get_success, aws_external_account_creds_httpcli_post_success); run_request_metadata_test(creds.get(), auth_md_ctx, state); grpc_core::ExecCtx::Get()->Flush(); grpc_httpcli_set_override(nullptr, nullptr); gpr_unsetenv("AWS_REGION"); gpr_unsetenv("AWS_DEFAULT_REGION"); gpr_unsetenv("AWS_ACCESS_KEY_ID"); gpr_unsetenv("AWS_SECRET_ACCESS_KEY"); gpr_unsetenv("AWS_SESSION_TOKEN"); } static void test_aws_external_account_creds_failure_unmatched_environment_id( void) { grpc_error_handle error = GRPC_ERROR_NONE; grpc_core::Json credential_source = grpc_core::Json::Parse( invalid_aws_external_account_creds_options_credential_source_unmatched_environment_id, &error); GPR_ASSERT(error == GRPC_ERROR_NONE); grpc_core::ExternalAccountCredentials::Options options = { "external_account", // type; "audience", // audience; "subject_token_type", // subject_token_type; "", // service_account_impersonation_url; "https://foo.com:5555/token", // token_url; "https://foo.com:5555/token_info", // token_info_url; credential_source, // credential_source; "quota_project_id", // quota_project_id; "client_id", // client_id; "client_secret", // client_secret; }; auto creds = grpc_core::AwsExternalAccountCredentials::Create(options, {}, &error); GPR_ASSERT(creds == nullptr); grpc_slice expected_error_slice = grpc_slice_from_static_string("environment_id does not match."); grpc_slice actual_error_slice; GPR_ASSERT(grpc_error_get_str(error, GRPC_ERROR_STR_DESCRIPTION, &actual_error_slice)); GPR_ASSERT(grpc_slice_cmp(expected_error_slice, actual_error_slice) == 0); GRPC_ERROR_UNREF(error); } static void test_aws_external_account_creds_failure_invalid_region_url(void) { grpc_core::ExecCtx exec_ctx; grpc_auth_metadata_context auth_md_ctx = {test_service_url, test_method, nullptr, nullptr}; grpc_error_handle error = GRPC_ERROR_NONE; grpc_core::Json credential_source = grpc_core::Json::Parse( invalid_aws_external_account_creds_options_credential_source_invalid_region_url, &error); GPR_ASSERT(error == GRPC_ERROR_NONE); grpc_core::ExternalAccountCredentials::Options options = { "external_account", // type; "audience", // audience; "subject_token_type", // subject_token_type; "", // service_account_impersonation_url; "https://foo.com:5555/token", // token_url; "https://foo.com:5555/token_info", // token_info_url; credential_source, // credential_source; "quota_project_id", // quota_project_id; "client_id", // client_id; "client_secret", // client_secret; }; auto creds = grpc_core::AwsExternalAccountCredentials::Create(options, {}, &error); GPR_ASSERT(creds != nullptr); GPR_ASSERT(error == GRPC_ERROR_NONE); GPR_ASSERT(creds->min_security_level() == GRPC_PRIVACY_AND_INTEGRITY); error = GRPC_ERROR_CREATE_FROM_STATIC_STRING( "Invalid region url: invalid_region_url."); grpc_error_handle expected_error = GRPC_ERROR_CREATE_REFERENCING_FROM_STATIC_STRING( "Error occurred when fetching oauth2 token.", &error, 1); request_metadata_state* state = make_request_metadata_state(expected_error, nullptr, 0); grpc_httpcli_set_override(aws_external_account_creds_httpcli_get_success, aws_external_account_creds_httpcli_post_success); run_request_metadata_test(creds.get(), auth_md_ctx, state); grpc_core::ExecCtx::Get()->Flush(); grpc_httpcli_set_override(nullptr, nullptr); GRPC_ERROR_UNREF(error); } static void test_aws_external_account_creds_failure_invalid_url(void) { grpc_core::ExecCtx exec_ctx; grpc_auth_metadata_context auth_md_ctx = {test_service_url, test_method, nullptr, nullptr}; grpc_error_handle error = GRPC_ERROR_NONE; grpc_core::Json credential_source = grpc_core::Json::Parse( invalid_aws_external_account_creds_options_credential_source_invalid_url, &error); GPR_ASSERT(error == GRPC_ERROR_NONE); grpc_core::ExternalAccountCredentials::Options options = { "external_account", // type; "audience", // audience; "subject_token_type", // subject_token_type; "", // service_account_impersonation_url; "https://foo.com:5555/token", // token_url; "https://foo.com:5555/token_info", // token_info_url; credential_source, // credential_source; "quota_project_id", // quota_project_id; "client_id", // client_id; "client_secret", // client_secret; }; auto creds = grpc_core::AwsExternalAccountCredentials::Create(options, {}, &error); GPR_ASSERT(creds != nullptr); GPR_ASSERT(error == GRPC_ERROR_NONE); GPR_ASSERT(creds->min_security_level() == GRPC_PRIVACY_AND_INTEGRITY); error = GRPC_ERROR_CREATE_FROM_STATIC_STRING("Invalid url: invalid_url."); grpc_error_handle expected_error = GRPC_ERROR_CREATE_REFERENCING_FROM_STATIC_STRING( "Error occurred when fetching oauth2 token.", &error, 1); request_metadata_state* state = make_request_metadata_state(expected_error, nullptr, 0); grpc_httpcli_set_override(aws_external_account_creds_httpcli_get_success, aws_external_account_creds_httpcli_post_success); run_request_metadata_test(creds.get(), auth_md_ctx, state); grpc_core::ExecCtx::Get()->Flush(); grpc_httpcli_set_override(nullptr, nullptr); GRPC_ERROR_UNREF(error); } static void test_aws_external_account_creds_failure_missing_role_name(void) { grpc_core::ExecCtx exec_ctx; grpc_auth_metadata_context auth_md_ctx = {test_service_url, test_method, nullptr, nullptr}; grpc_error_handle error = GRPC_ERROR_NONE; grpc_core::Json credential_source = grpc_core::Json::Parse( invalid_aws_external_account_creds_options_credential_source_missing_role_name, &error); GPR_ASSERT(error == GRPC_ERROR_NONE); grpc_core::ExternalAccountCredentials::Options options = { "external_account", // type; "audience", // audience; "subject_token_type", // subject_token_type; "", // service_account_impersonation_url; "https://foo.com:5555/token", // token_url; "https://foo.com:5555/token_info", // token_info_url; credential_source, // credential_source; "quota_project_id", // quota_project_id; "client_id", // client_id; "client_secret", // client_secret; }; auto creds = grpc_core::AwsExternalAccountCredentials::Create(options, {}, &error); GPR_ASSERT(creds != nullptr); GPR_ASSERT(error == GRPC_ERROR_NONE); GPR_ASSERT(creds->min_security_level() == GRPC_PRIVACY_AND_INTEGRITY); error = GRPC_ERROR_CREATE_FROM_STATIC_STRING( "Missing role name when retrieving signing keys."); grpc_error_handle expected_error = GRPC_ERROR_CREATE_REFERENCING_FROM_STATIC_STRING( "Error occurred when fetching oauth2 token.", &error, 1); request_metadata_state* state = make_request_metadata_state(expected_error, nullptr, 0); grpc_httpcli_set_override(aws_external_account_creds_httpcli_get_success, aws_external_account_creds_httpcli_post_success); run_request_metadata_test(creds.get(), auth_md_ctx, state); grpc_core::ExecCtx::Get()->Flush(); grpc_httpcli_set_override(nullptr, nullptr); GRPC_ERROR_UNREF(error); } static void test_aws_external_account_creds_failure_invalid_regional_cred_verification_url( void) { grpc_core::ExecCtx exec_ctx; grpc_auth_metadata_context auth_md_ctx = {test_service_url, test_method, nullptr, nullptr}; grpc_error_handle error = GRPC_ERROR_NONE; grpc_core::Json credential_source = grpc_core::Json::Parse( invalid_aws_external_account_creds_options_credential_source_invalid_regional_cred_verification_url, &error); GPR_ASSERT(error == GRPC_ERROR_NONE); grpc_core::ExternalAccountCredentials::Options options = { "external_account", // type; "audience", // audience; "subject_token_type", // subject_token_type; "", // service_account_impersonation_url; "https://foo.com:5555/token", // token_url; "https://foo.com:5555/token_info", // token_info_url; credential_source, // credential_source; "quota_project_id", // quota_project_id; "client_id", // client_id; "client_secret", // client_secret; }; auto creds = grpc_core::AwsExternalAccountCredentials::Create(options, {}, &error); GPR_ASSERT(creds != nullptr); GPR_ASSERT(error == GRPC_ERROR_NONE); GPR_ASSERT(creds->min_security_level() == GRPC_PRIVACY_AND_INTEGRITY); error = GRPC_ERROR_CREATE_FROM_STATIC_STRING( "Creating aws request signer failed."); grpc_error_handle expected_error = GRPC_ERROR_CREATE_REFERENCING_FROM_STATIC_STRING( "Error occurred when fetching oauth2 token.", &error, 1); request_metadata_state* state = make_request_metadata_state(expected_error, nullptr, 0); grpc_httpcli_set_override(aws_external_account_creds_httpcli_get_success, aws_external_account_creds_httpcli_post_success); run_request_metadata_test(creds.get(), auth_md_ctx, state); grpc_core::ExecCtx::Get()->Flush(); grpc_httpcli_set_override(nullptr, nullptr); GRPC_ERROR_UNREF(error); } static void test_external_account_credentials_create_success(void) { // url credentials const char* url_options_string = "{\"type\":\"external_account\",\"audience\":\"audience\",\"subject_" "token_type\":\"subject_token_type\",\"service_account_impersonation_" "url\":\"service_account_impersonation_url\",\"token_url\":\"https://" "foo.com:5555/token\",\"token_info_url\":\"https://foo.com:5555/" "token_info\",\"credential_source\":{\"url\":\"https://foo.com:5555/" "generate_subject_token_format_json\",\"headers\":{\"Metadata-Flavor\":" "\"Google\"},\"format\":{\"type\":\"json\",\"subject_token_field_name\":" "\"access_token\"}},\"quota_project_id\":\"quota_" "project_id\",\"client_id\":\"client_id\",\"client_secret\":\"client_" "secret\"}"; const char* url_scopes_string = "scope1,scope2"; grpc_call_credentials* url_creds = grpc_external_account_credentials_create( url_options_string, url_scopes_string); GPR_ASSERT(url_creds != nullptr); url_creds->Unref(); // file credentials const char* file_options_string = "{\"type\":\"external_account\",\"audience\":\"audience\",\"subject_" "token_type\":\"subject_token_type\",\"service_account_impersonation_" "url\":\"service_account_impersonation_url\",\"token_url\":\"https://" "foo.com:5555/token\",\"token_info_url\":\"https://foo.com:5555/" "token_info\",\"credential_source\":{\"file\":\"credentials_file_path\"}," "\"quota_project_id\":\"quota_" "project_id\",\"client_id\":\"client_id\",\"client_secret\":\"client_" "secret\"}"; const char* file_scopes_string = "scope1,scope2"; grpc_call_credentials* file_creds = grpc_external_account_credentials_create( file_options_string, file_scopes_string); GPR_ASSERT(file_creds != nullptr); file_creds->Unref(); // aws credentials const char* aws_options_string = "{\"type\":\"external_account\",\"audience\":\"audience\",\"subject_" "token_type\":\"subject_token_type\",\"service_account_impersonation_" "url\":\"service_account_impersonation_url\",\"token_url\":\"https://" "foo.com:5555/token\",\"token_info_url\":\"https://foo.com:5555/" "token_info\",\"credential_source\":{\"environment_id\":\"aws1\"," "\"region_url\":\"https://foo.com:5555/region_url\",\"url\":\"https://" "foo.com:5555/url\",\"regional_cred_verification_url\":\"https://" "foo.com:5555/regional_cred_verification_url_{region}\"}," "\"quota_project_id\":\"quota_" "project_id\",\"client_id\":\"client_id\",\"client_secret\":\"client_" "secret\"}"; const char* aws_scopes_string = "scope1,scope2"; grpc_call_credentials* aws_creds = grpc_external_account_credentials_create( aws_options_string, aws_scopes_string); GPR_ASSERT(aws_creds != nullptr); aws_creds->Unref(); } static void test_external_account_credentials_create_failure_invalid_json_format(void) { const char* options_string = "invalid_json"; grpc_call_credentials* creds = grpc_external_account_credentials_create(options_string, ""); GPR_ASSERT(creds == nullptr); } static void test_external_account_credentials_create_failure_invalid_options_format(void) { const char* options_string = "{\"random_key\":\"random_value\"}"; grpc_call_credentials* creds = grpc_external_account_credentials_create(options_string, ""); GPR_ASSERT(creds == nullptr); } static void test_external_account_credentials_create_failure_invalid_options_credential_source( void) { const char* options_string = "{\"type\":\"external_account\",\"audience\":\"audience\",\"subject_" "token_type\":\"subject_token_type\",\"service_account_impersonation_" "url\":\"service_account_impersonation_url\",\"token_url\":\"https://" "foo.com:5555/token\",\"token_info_url\":\"https://foo.com:5555/" "token_info\",\"credential_source\":{\"random_key\":\"random_value\"}," "\"quota_project_id\":\"quota_" "project_id\",\"client_id\":\"client_id\",\"client_secret\":\"client_" "secret\"}"; grpc_call_credentials* creds = grpc_external_account_credentials_create(options_string, ""); GPR_ASSERT(creds == nullptr); } int main(int argc, char** argv) { grpc::testing::TestEnvironment env(argc, argv); grpc_init(); test_empty_md_array(); test_add_to_empty_md_array(); test_add_abunch_to_md_array(); test_oauth2_token_fetcher_creds_parsing_ok(); test_oauth2_token_fetcher_creds_parsing_bad_http_status(); test_oauth2_token_fetcher_creds_parsing_empty_http_body(); test_oauth2_token_fetcher_creds_parsing_invalid_json(); test_oauth2_token_fetcher_creds_parsing_missing_token(); test_oauth2_token_fetcher_creds_parsing_missing_token_type(); test_oauth2_token_fetcher_creds_parsing_missing_token_lifetime(); test_google_iam_creds(); test_access_token_creds(); test_channel_oauth2_composite_creds(); test_oauth2_google_iam_composite_creds(); test_channel_oauth2_google_iam_composite_creds(); test_compute_engine_creds_success(); test_compute_engine_creds_failure(); test_refresh_token_creds_success(); test_refresh_token_creds_failure(); test_valid_sts_creds_options(); test_invalid_sts_creds_options(); test_sts_creds_success(); test_sts_creds_no_actor_token_success(); test_sts_creds_load_token_failure(); test_sts_creds_http_failure(); test_sts_creds_token_file_not_found(); test_jwt_creds_lifetime(); test_jwt_creds_success(); test_jwt_creds_signing_failure(); test_google_default_creds_auth_key(); test_google_default_creds_refresh_token(); test_google_default_creds_gce(); test_google_default_creds_non_gce(); test_no_google_default_creds(); test_google_default_creds_call_creds_specified(); test_google_default_creds_not_default(); test_metadata_plugin_success(); test_metadata_plugin_failure(); test_get_well_known_google_credentials_file_path(); test_channel_creds_duplicate_without_call_creds(); test_auth_metadata_context(); test_external_account_creds_success(); test_external_account_creds_success_with_url_encode(); test_external_account_creds_success_with_service_account_impersonation(); test_external_account_creds_failure_invalid_token_url(); test_external_account_creds_failure_invalid_service_account_impersonation_url(); test_external_account_creds_failure_token_exchange_response_missing_access_token(); test_url_external_account_creds_success_format_text(); test_url_external_account_creds_success_format_json(); test_url_external_account_creds_failure_invalid_credential_source_url(); test_url_external_account_creds_success_with_qurey_params_format_text(); test_file_external_account_creds_success_format_text(); test_file_external_account_creds_success_format_json(); test_file_external_account_creds_failure_file_not_found(); test_file_external_account_creds_failure_invalid_json_content(); test_aws_external_account_creds_success(); test_aws_external_account_creds_success_path_region_env_keys_url(); test_aws_external_account_creds_success_path_default_region_env_keys_url(); test_aws_external_account_creds_success_path_duplicate_region_env_keys_url(); test_aws_external_account_creds_success_path_region_url_keys_env(); test_aws_external_account_creds_success_path_region_env_keys_env(); test_aws_external_account_creds_success_path_default_region_env_keys_env(); test_aws_external_account_creds_success_path_duplicate_region_env_keys_env(); test_aws_external_account_creds_failure_unmatched_environment_id(); test_aws_external_account_creds_failure_invalid_region_url(); test_aws_external_account_creds_failure_invalid_url(); test_aws_external_account_creds_failure_missing_role_name(); test_aws_external_account_creds_failure_invalid_regional_cred_verification_url(); test_external_account_credentials_create_success(); test_external_account_credentials_create_failure_invalid_json_format(); test_external_account_credentials_create_failure_invalid_options_format(); test_external_account_credentials_create_failure_invalid_options_credential_source(); grpc_shutdown(); return 0; }