/* * * 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 #include #include #include #include "src/core/lib/http/httpcli.h" #include "src/core/lib/security/credentials/composite/composite_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/support/env.h" #include "src/core/lib/support/string.h" #include "src/core/lib/support/tmpfile.h" #include "test/core/util/test_config.h" /* -- Mock channel credentials. -- */ static grpc_channel_credentials* grpc_mock_channel_credentials_create( const grpc_channel_credentials_vtable* vtable) { grpc_channel_credentials* c = gpr_malloc(sizeof(*c)); memset(c, 0, sizeof(*c)); c->type = "mock"; c->vtable = vtable; gpr_ref_init(&c->refcount, 1); return c; } /* -- 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 test_scope[] = "perm1 perm2"; static const char test_signed_jwt[] = "eyJhbGciOiJSUzI1NiIsInR5cCI6IkpXVCIsImtpZCI6ImY0OTRkN2M1YWU2MGRmOTcyNmM4YW" "U0MDcyZTViYTdmZDkwODg2YzcifQ"; 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_method[] = "ThisIsNotAMethod"; /* -- 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 = 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; memset(&response, 0, sizeof(grpc_httpcli_response)); response.status = status; response.body = gpr_strdup((char*)body); response.body_length = strlen(body); return response; } /* -- Tests. -- */ static void test_empty_md_array(void) { grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; grpc_credentials_mdelem_array md_array; memset(&md_array, 0, sizeof(md_array)); GPR_ASSERT(md_array.md == NULL); GPR_ASSERT(md_array.size == 0); grpc_credentials_mdelem_array_destroy(&exec_ctx, &md_array); grpc_exec_ctx_finish(&exec_ctx); } static void test_add_to_empty_md_array(void) { grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; grpc_credentials_mdelem_array md_array; memset(&md_array, 0, sizeof(md_array)); const char* key = "hello"; const char* value = "there blah blah blah blah blah blah blah"; grpc_mdelem md = grpc_mdelem_from_slices(&exec_ctx, 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(&exec_ctx, md); grpc_credentials_mdelem_array_destroy(&exec_ctx, &md_array); grpc_exec_ctx_finish(&exec_ctx); } static void test_add_abunch_to_md_array(void) { grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; grpc_credentials_mdelem_array md_array; memset(&md_array, 0, sizeof(md_array)); const char* key = "hello"; const char* value = "there blah blah blah blah blah blah blah"; grpc_mdelem md = grpc_mdelem_from_slices(&exec_ctx, 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(&exec_ctx, md); grpc_credentials_mdelem_array_destroy(&exec_ctx, &md_array); grpc_exec_ctx_finish(&exec_ctx); } static void test_oauth2_token_fetcher_creds_parsing_ok(void) { grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; 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( &exec_ctx, &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(&exec_ctx, token_md); grpc_http_response_destroy(&response); grpc_exec_ctx_finish(&exec_ctx); } static void test_oauth2_token_fetcher_creds_parsing_bad_http_status(void) { grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; 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( &exec_ctx, &response, &token_md, &token_lifetime) == GRPC_CREDENTIALS_ERROR); grpc_http_response_destroy(&response); grpc_exec_ctx_finish(&exec_ctx); } static void test_oauth2_token_fetcher_creds_parsing_empty_http_body(void) { grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; 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( &exec_ctx, &response, &token_md, &token_lifetime) == GRPC_CREDENTIALS_ERROR); grpc_http_response_destroy(&response); grpc_exec_ctx_finish(&exec_ctx); } static void test_oauth2_token_fetcher_creds_parsing_invalid_json(void) { grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; 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( &exec_ctx, &response, &token_md, &token_lifetime) == GRPC_CREDENTIALS_ERROR); grpc_http_response_destroy(&response); grpc_exec_ctx_finish(&exec_ctx); } static void test_oauth2_token_fetcher_creds_parsing_missing_token(void) { grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; 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( &exec_ctx, &response, &token_md, &token_lifetime) == GRPC_CREDENTIALS_ERROR); grpc_http_response_destroy(&response); grpc_exec_ctx_finish(&exec_ctx); } static void test_oauth2_token_fetcher_creds_parsing_missing_token_type(void) { grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; 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( &exec_ctx, &response, &token_md, &token_lifetime) == GRPC_CREDENTIALS_ERROR); grpc_http_response_destroy(&response); grpc_exec_ctx_finish(&exec_ctx); } static void test_oauth2_token_fetcher_creds_parsing_missing_token_lifetime( void) { grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; 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( &exec_ctx, &response, &token_md, &token_lifetime) == GRPC_CREDENTIALS_ERROR); grpc_http_response_destroy(&response); grpc_exec_ctx_finish(&exec_ctx); } typedef struct { const char* key; const char* value; } expected_md; typedef struct { grpc_error* 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(grpc_exec_ctx* exec_ctx, void* arg, grpc_error* error) { request_metadata_state* state = (request_metadata_state*)arg; gpr_log(GPR_INFO, "expected_error: %s", grpc_error_string(state->expected_error)); gpr_log(GPR_INFO, "actual_error: %s", grpc_error_string(error)); 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(exec_ctx, &state->md_array); grpc_pollset_set_destroy(exec_ctx, grpc_polling_entity_pollset_set(&state->pollent)); gpr_free(state); } static request_metadata_state* make_request_metadata_state( grpc_error* expected_error, const expected_md* expected, size_t expected_size) { request_metadata_state* state = 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_exec_ctx* exec_ctx, grpc_call_credentials* creds, grpc_auth_metadata_context auth_md_ctx, request_metadata_state* state) { grpc_error* error = GRPC_ERROR_NONE; if (grpc_call_credentials_get_request_metadata( exec_ctx, creds, &state->pollent, auth_md_ctx, &state->md_array, &state->on_request_metadata, &error)) { // Synchronous result. Invoke the callback directly. check_request_metadata(exec_ctx, state, error); GRPC_ERROR_UNREF(error); } } static void test_google_iam_creds(void) { grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; 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, NULL); grpc_auth_metadata_context auth_md_ctx = {test_service_url, test_method, NULL, NULL}; run_request_metadata_test(&exec_ctx, creds, auth_md_ctx, state); grpc_call_credentials_unref(&exec_ctx, creds); grpc_exec_ctx_finish(&exec_ctx); } static void test_access_token_creds(void) { grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; 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", NULL); grpc_auth_metadata_context auth_md_ctx = {test_service_url, test_method, NULL, NULL}; GPR_ASSERT(strcmp(creds->type, GRPC_CALL_CREDENTIALS_TYPE_OAUTH2) == 0); run_request_metadata_test(&exec_ctx, creds, auth_md_ctx, state); grpc_call_credentials_unref(&exec_ctx, creds); grpc_exec_ctx_finish(&exec_ctx); } static grpc_security_status check_channel_oauth2_create_security_connector( grpc_exec_ctx* exec_ctx, grpc_channel_credentials* c, grpc_call_credentials* call_creds, const char* target, const grpc_channel_args* args, grpc_channel_security_connector** sc, grpc_channel_args** new_args) { GPR_ASSERT(strcmp(c->type, "mock") == 0); GPR_ASSERT(call_creds != NULL); GPR_ASSERT(strcmp(call_creds->type, GRPC_CALL_CREDENTIALS_TYPE_OAUTH2) == 0); return GRPC_SECURITY_OK; } static void test_channel_oauth2_composite_creds(void) { grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; grpc_channel_args* new_args; grpc_channel_credentials_vtable vtable = { NULL, check_channel_oauth2_create_security_connector, NULL}; grpc_channel_credentials* channel_creds = grpc_mock_channel_credentials_create(&vtable); grpc_call_credentials* oauth2_creds = grpc_access_token_credentials_create("blah", NULL); grpc_channel_credentials* channel_oauth2_creds = grpc_composite_channel_credentials_create(channel_creds, oauth2_creds, NULL); grpc_channel_credentials_release(channel_creds); grpc_call_credentials_release(oauth2_creds); GPR_ASSERT(grpc_channel_credentials_create_security_connector( &exec_ctx, channel_oauth2_creds, NULL, NULL, NULL, &new_args) == GRPC_SECURITY_OK); grpc_channel_credentials_release(channel_oauth2_creds); grpc_exec_ctx_finish(&exec_ctx); } static void test_oauth2_google_iam_composite_creds(void) { grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; 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, NULL, NULL}; grpc_call_credentials* oauth2_creds = grpc_md_only_test_credentials_create( &exec_ctx, "authorization", test_oauth2_bearer_token, 0); grpc_call_credentials* google_iam_creds = grpc_google_iam_credentials_create( test_google_iam_authorization_token, test_google_iam_authority_selector, NULL); grpc_call_credentials* composite_creds = grpc_composite_call_credentials_create(oauth2_creds, google_iam_creds, NULL); grpc_call_credentials_unref(&exec_ctx, oauth2_creds); grpc_call_credentials_unref(&exec_ctx, google_iam_creds); GPR_ASSERT( strcmp(composite_creds->type, GRPC_CALL_CREDENTIALS_TYPE_COMPOSITE) == 0); const grpc_call_credentials_array* creds_array = grpc_composite_call_credentials_get_credentials(composite_creds); GPR_ASSERT(creds_array->num_creds == 2); GPR_ASSERT(strcmp(creds_array->creds_array[0]->type, GRPC_CALL_CREDENTIALS_TYPE_OAUTH2) == 0); GPR_ASSERT(strcmp(creds_array->creds_array[1]->type, GRPC_CALL_CREDENTIALS_TYPE_IAM) == 0); run_request_metadata_test(&exec_ctx, composite_creds, auth_md_ctx, state); grpc_call_credentials_unref(&exec_ctx, composite_creds); grpc_exec_ctx_finish(&exec_ctx); } static grpc_security_status check_channel_oauth2_google_iam_create_security_connector( grpc_exec_ctx* exec_ctx, grpc_channel_credentials* c, grpc_call_credentials* call_creds, const char* target, const grpc_channel_args* args, grpc_channel_security_connector** sc, grpc_channel_args** new_args) { const grpc_call_credentials_array* creds_array; GPR_ASSERT(strcmp(c->type, "mock") == 0); GPR_ASSERT(call_creds != NULL); GPR_ASSERT(strcmp(call_creds->type, GRPC_CALL_CREDENTIALS_TYPE_COMPOSITE) == 0); creds_array = grpc_composite_call_credentials_get_credentials(call_creds); GPR_ASSERT(strcmp(creds_array->creds_array[0]->type, GRPC_CALL_CREDENTIALS_TYPE_OAUTH2) == 0); GPR_ASSERT(strcmp(creds_array->creds_array[1]->type, GRPC_CALL_CREDENTIALS_TYPE_IAM) == 0); return GRPC_SECURITY_OK; } static void test_channel_oauth2_google_iam_composite_creds(void) { grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; grpc_channel_args* new_args; grpc_channel_credentials_vtable vtable = { NULL, check_channel_oauth2_google_iam_create_security_connector, NULL}; grpc_channel_credentials* channel_creds = grpc_mock_channel_credentials_create(&vtable); grpc_call_credentials* oauth2_creds = grpc_access_token_credentials_create("blah", NULL); grpc_channel_credentials* channel_oauth2_creds = grpc_composite_channel_credentials_create(channel_creds, oauth2_creds, NULL); grpc_call_credentials* google_iam_creds = grpc_google_iam_credentials_create( test_google_iam_authorization_token, test_google_iam_authority_selector, NULL); grpc_channel_credentials* channel_oauth2_iam_creds = grpc_composite_channel_credentials_create(channel_oauth2_creds, google_iam_creds, NULL); 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); GPR_ASSERT(grpc_channel_credentials_create_security_connector( &exec_ctx, channel_oauth2_iam_creds, NULL, NULL, NULL, &new_args) == GRPC_SECURITY_OK); grpc_channel_credentials_release(channel_oauth2_iam_creds); grpc_exec_ctx_finish(&exec_ctx); } 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( grpc_exec_ctx* exec_ctx, 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_CLOSURE_SCHED(exec_ctx, on_done, GRPC_ERROR_NONE); return 1; } static int compute_engine_httpcli_get_failure_override( grpc_exec_ctx* exec_ctx, 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_CLOSURE_SCHED(exec_ctx, on_done, GRPC_ERROR_NONE); return 1; } static int httpcli_post_should_not_be_called( grpc_exec_ctx* exec_ctx, 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" == NULL); return 1; } static int httpcli_get_should_not_be_called(grpc_exec_ctx* exec_ctx, const grpc_httpcli_request* request, grpc_millis deadline, grpc_closure* on_done, grpc_httpcli_response* response) { GPR_ASSERT("HTTP GET should not be called" == NULL); return 1; } static void test_compute_engine_creds_success(void) { grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; expected_md emd[] = { {"authorization", "Bearer ya29.AHES6ZRN3-HlhAPya30GnW_bHSb_"}}; grpc_call_credentials* creds = grpc_google_compute_engine_credentials_create(NULL); grpc_auth_metadata_context auth_md_ctx = {test_service_url, test_method, NULL, NULL}; /* 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(&exec_ctx, creds, auth_md_ctx, state); grpc_exec_ctx_flush(&exec_ctx); /* 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(&exec_ctx, creds, auth_md_ctx, state); grpc_exec_ctx_flush(&exec_ctx); grpc_call_credentials_unref(&exec_ctx, creds); grpc_httpcli_set_override(NULL, NULL); grpc_exec_ctx_finish(&exec_ctx); } static void test_compute_engine_creds_failure(void) { grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; request_metadata_state* state = make_request_metadata_state( GRPC_ERROR_CREATE_FROM_STATIC_STRING( "Error occured when fetching oauth2 token."), NULL, 0); grpc_auth_metadata_context auth_md_ctx = {test_service_url, test_method, NULL, NULL}; grpc_call_credentials* creds = grpc_google_compute_engine_credentials_create(NULL); grpc_httpcli_set_override(compute_engine_httpcli_get_failure_override, httpcli_post_should_not_be_called); run_request_metadata_test(&exec_ctx, creds, auth_md_ctx, state); grpc_call_credentials_unref(&exec_ctx, creds); grpc_httpcli_set_override(NULL, NULL); grpc_exec_ctx_finish(&exec_ctx); } 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. */ char* expected_body = NULL; GPR_ASSERT(body != NULL); GPR_ASSERT(body_size != 0); gpr_asprintf(&expected_body, GRPC_REFRESH_TOKEN_POST_BODY_FORMAT_STRING, "32555999999.apps.googleusercontent.com", "EmssLNjJy1332hD4KFsecret", "1/Blahblasj424jladJDSGNf-u4Sua3HDA2ngjd42"); GPR_ASSERT(strlen(expected_body) == body_size); GPR_ASSERT(memcmp(expected_body, body, body_size) == 0); gpr_free(expected_body); 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( grpc_exec_ctx* exec_ctx, 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_CLOSURE_SCHED(exec_ctx, on_done, GRPC_ERROR_NONE); return 1; } static int refresh_token_httpcli_post_failure( grpc_exec_ctx* exec_ctx, 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(403, "Not Authorized."); GRPC_CLOSURE_SCHED(exec_ctx, on_done, GRPC_ERROR_NONE); return 1; } static void test_refresh_token_creds_success(void) { grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; expected_md emd[] = { {"authorization", "Bearer ya29.AHES6ZRN3-HlhAPya30GnW_bHSb_"}}; grpc_auth_metadata_context auth_md_ctx = {test_service_url, test_method, NULL, NULL}; grpc_call_credentials* creds = grpc_google_refresh_token_credentials_create( test_refresh_token_str, NULL); /* 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(httpcli_get_should_not_be_called, refresh_token_httpcli_post_success); run_request_metadata_test(&exec_ctx, creds, auth_md_ctx, state); grpc_exec_ctx_flush(&exec_ctx); /* 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(&exec_ctx, creds, auth_md_ctx, state); grpc_exec_ctx_flush(&exec_ctx); grpc_call_credentials_unref(&exec_ctx, creds); grpc_httpcli_set_override(NULL, NULL); grpc_exec_ctx_finish(&exec_ctx); } static void test_refresh_token_creds_failure(void) { grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; request_metadata_state* state = make_request_metadata_state( GRPC_ERROR_CREATE_FROM_STATIC_STRING( "Error occured when fetching oauth2 token."), NULL, 0); grpc_auth_metadata_context auth_md_ctx = {test_service_url, test_method, NULL, NULL}; grpc_call_credentials* creds = grpc_google_refresh_token_credentials_create( test_refresh_token_str, NULL); grpc_httpcli_set_override(httpcli_get_should_not_be_called, refresh_token_httpcli_post_failure); run_request_metadata_test(&exec_ctx, creds, auth_md_ctx, state); grpc_call_credentials_unref(&exec_ctx, creds); grpc_httpcli_set_override(NULL, NULL); grpc_exec_ctx_finish(&exec_ctx); } 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 != NULL); GPR_ASSERT(RSA_check_key(json_key->private_key)); GPR_ASSERT(json_key->type != NULL && strcmp(json_key->type, "service_account") == 0); GPR_ASSERT(json_key->private_key_id != NULL && strcmp(json_key->private_key_id, "e6b5137873db8d2ef81e06a47289e6434ec8a165") == 0); GPR_ASSERT(json_key->client_id != NULL && strcmp(json_key->client_id, "777-abaslkan11hlb6nmim3bpspl31ud.apps." "googleusercontent.com") == 0); GPR_ASSERT(json_key->client_email != NULL && strcmp(json_key->client_email, "777-abaslkan11hlb6nmim3bpspl31ud@developer." "gserviceaccount.com") == 0); if (scope != NULL) GPR_ASSERT(strcmp(scope, test_scope) == 0); GPR_ASSERT(!gpr_time_cmp(token_lifetime, grpc_max_auth_token_lifetime())); } 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 NULL; } 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" == NULL); return NULL; } static grpc_service_account_jwt_access_credentials* creds_as_jwt( grpc_call_credentials* creds) { GPR_ASSERT(creds != NULL); GPR_ASSERT(strcmp(creds->type, GRPC_CALL_CREDENTIALS_TYPE_JWT) == 0); return (grpc_service_account_jwt_access_credentials*)creds; } static void test_jwt_creds_lifetime(void) { char* json_key_string = test_json_key_str(); // Max lifetime. grpc_call_credentials* jwt_creds = grpc_service_account_jwt_access_credentials_create( json_key_string, grpc_max_auth_token_lifetime(), NULL); GPR_ASSERT(gpr_time_cmp(creds_as_jwt(jwt_creds)->jwt_lifetime, grpc_max_auth_token_lifetime()) == 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, NULL); GPR_ASSERT( gpr_time_cmp(creds_as_jwt(jwt_creds)->jwt_lifetime, token_lifetime) == 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, NULL); GPR_ASSERT(gpr_time_cmp(creds_as_jwt(jwt_creds)->jwt_lifetime, grpc_max_auth_token_lifetime()) == 0); grpc_call_credentials_release(jwt_creds); gpr_free(json_key_string); } static void test_jwt_creds_success(void) { char* json_key_string = test_json_key_str(); grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; grpc_auth_metadata_context auth_md_ctx = {test_service_url, test_method, NULL, NULL}; char* expected_md_value; gpr_asprintf(&expected_md_value, "Bearer %s", test_signed_jwt); expected_md emd[] = {{"authorization", expected_md_value}}; grpc_call_credentials* creds = grpc_service_account_jwt_access_credentials_create( json_key_string, grpc_max_auth_token_lifetime(), NULL); /* 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(&exec_ctx, creds, auth_md_ctx, state); grpc_exec_ctx_flush(&exec_ctx); /* 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(&exec_ctx, creds, auth_md_ctx, state); grpc_exec_ctx_flush(&exec_ctx); /* 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(&exec_ctx, creds, auth_md_ctx, state); grpc_exec_ctx_flush(&exec_ctx); grpc_call_credentials_unref(&exec_ctx, creds); gpr_free(json_key_string); gpr_free(expected_md_value); grpc_jwt_encode_and_sign_set_override(NULL); grpc_exec_ctx_finish(&exec_ctx); } static void test_jwt_creds_signing_failure(void) { char* json_key_string = test_json_key_str(); grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; grpc_auth_metadata_context auth_md_ctx = {test_service_url, test_method, NULL, NULL}; request_metadata_state* state = make_request_metadata_state( GRPC_ERROR_CREATE_FROM_STATIC_STRING("Could not generate JWT."), NULL, 0); grpc_call_credentials* creds = grpc_service_account_jwt_access_credentials_create( json_key_string, grpc_max_auth_token_lifetime(), NULL); grpc_jwt_encode_and_sign_set_override(encode_and_sign_jwt_failure); run_request_metadata_test(&exec_ctx, creds, auth_md_ctx, state); gpr_free(json_key_string); grpc_call_credentials_unref(&exec_ctx, creds); grpc_jwt_encode_and_sign_set_override(NULL); grpc_exec_ctx_finish(&exec_ctx); } 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 != NULL); GPR_ASSERT(creds_file != NULL); 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 void test_google_default_creds_auth_key(void) { grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; grpc_service_account_jwt_access_credentials* jwt; grpc_composite_channel_credentials* creds; char* json_key = test_json_key_str(); grpc_flush_cached_google_default_credentials(); set_google_default_creds_env_var_with_file_contents( "json_key_google_default_creds", json_key); gpr_free(json_key); creds = (grpc_composite_channel_credentials*) grpc_google_default_credentials_create(); GPR_ASSERT(creds != NULL); jwt = (grpc_service_account_jwt_access_credentials*)creds->call_creds; GPR_ASSERT( strcmp(jwt->key.client_id, "777-abaslkan11hlb6nmim3bpspl31ud.apps.googleusercontent.com") == 0); grpc_channel_credentials_unref(&exec_ctx, &creds->base); gpr_setenv(GRPC_GOOGLE_CREDENTIALS_ENV_VAR, ""); /* Reset. */ grpc_exec_ctx_finish(&exec_ctx); } static void test_google_default_creds_refresh_token(void) { grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; grpc_google_refresh_token_credentials* refresh; 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 = (grpc_composite_channel_credentials*) grpc_google_default_credentials_create(); GPR_ASSERT(creds != NULL); refresh = (grpc_google_refresh_token_credentials*)creds->call_creds; GPR_ASSERT(strcmp(refresh->refresh_token.client_id, "32555999999.apps.googleusercontent.com") == 0); grpc_channel_credentials_unref(&exec_ctx, &creds->base); gpr_setenv(GRPC_GOOGLE_CREDENTIALS_ENV_VAR, ""); /* Reset. */ grpc_exec_ctx_finish(&exec_ctx); } static int default_creds_gce_detection_httpcli_get_success_override( grpc_exec_ctx* exec_ctx, const grpc_httpcli_request* request, grpc_millis deadline, grpc_closure* on_done, grpc_httpcli_response* response) { *response = http_response(200, ""); grpc_http_header* headers = 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_CLOSURE_SCHED(exec_ctx, on_done, GRPC_ERROR_NONE); return 1; } static char* null_well_known_creds_path_getter(void) { return NULL; } static void test_google_default_creds_gce(void) { grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; 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, NULL, NULL}; 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); /* Simulate a successful detection of GCE. */ grpc_httpcli_set_override( default_creds_gce_detection_httpcli_get_success_override, httpcli_post_should_not_be_called); grpc_composite_channel_credentials* creds = (grpc_composite_channel_credentials*) grpc_google_default_credentials_create(); /* Verify that the default creds actually embeds a GCE creds. */ GPR_ASSERT(creds != NULL); GPR_ASSERT(creds->call_creds != NULL); grpc_httpcli_set_override(compute_engine_httpcli_get_success_override, httpcli_post_should_not_be_called); run_request_metadata_test(&exec_ctx, creds->call_creds, auth_md_ctx, state); grpc_exec_ctx_flush(&exec_ctx); /* Check that we get a cached creds if we call grpc_google_default_credentials_create again. GCE detection should not occur anymore either. */ grpc_httpcli_set_override(httpcli_get_should_not_be_called, httpcli_post_should_not_be_called); grpc_channel_credentials* cached_creds = grpc_google_default_credentials_create(); GPR_ASSERT(cached_creds == &creds->base); /* Cleanup. */ grpc_channel_credentials_unref(&exec_ctx, cached_creds); grpc_channel_credentials_unref(&exec_ctx, &creds->base); grpc_httpcli_set_override(NULL, NULL); grpc_override_well_known_credentials_path_getter(NULL); grpc_exec_ctx_finish(&exec_ctx); } static int default_creds_gce_detection_httpcli_get_failure_override( grpc_exec_ctx* exec_ctx, 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_CLOSURE_SCHED(exec_ctx, 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); /* Simulate a successful detection of GCE. */ grpc_httpcli_set_override( default_creds_gce_detection_httpcli_get_failure_override, httpcli_post_should_not_be_called); GPR_ASSERT(grpc_google_default_credentials_create() == NULL); /* Try a cached one. GCE detection should not occur anymore. */ grpc_httpcli_set_override(httpcli_get_should_not_be_called, httpcli_post_should_not_be_called); GPR_ASSERT(grpc_google_default_credentials_create() == NULL); /* Cleanup. */ grpc_httpcli_set_override(NULL, NULL); grpc_override_well_known_credentials_path_getter(NULL); } 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 == NULL); GPR_ASSERT(context.reserved == NULL); GPR_ASSERT(GPR_ARRAY_SIZE(plugin_md) < GRPC_METADATA_CREDENTIALS_PLUGIN_SYNC_MAX); plugin_state* s = (plugin_state*)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 == NULL); GPR_ASSERT(context.reserved == NULL); plugin_state* s = (plugin_state*)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 = (plugin_state*)state; *s = PLUGIN_DESTROY_CALLED_STATE; } static void test_metadata_plugin_success(void) { plugin_state state = PLUGIN_INITIAL_STATE; grpc_metadata_credentials_plugin plugin; grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; grpc_auth_metadata_context auth_md_ctx = {test_service_url, test_method, NULL, NULL}; 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; grpc_call_credentials* creds = grpc_metadata_credentials_create_from_plugin(plugin, NULL); GPR_ASSERT(state == PLUGIN_INITIAL_STATE); run_request_metadata_test(&exec_ctx, creds, auth_md_ctx, md_state); GPR_ASSERT(state == PLUGIN_GET_METADATA_CALLED_STATE); grpc_call_credentials_unref(&exec_ctx, creds); grpc_exec_ctx_finish(&exec_ctx); GPR_ASSERT(state == PLUGIN_DESTROY_CALLED_STATE); } static void test_metadata_plugin_failure(void) { plugin_state state = PLUGIN_INITIAL_STATE; grpc_metadata_credentials_plugin plugin; grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; grpc_auth_metadata_context auth_md_ctx = {test_service_url, test_method, NULL, NULL}; char* expected_error; gpr_asprintf(&expected_error, "Getting metadata from plugin failed with error: %s", plugin_error_details); request_metadata_state* md_state = make_request_metadata_state( GRPC_ERROR_CREATE_FROM_COPIED_STRING(expected_error), NULL, 0); gpr_free(expected_error); plugin.state = &state; plugin.get_metadata = plugin_get_metadata_failure; plugin.destroy = plugin_destroy; grpc_call_credentials* creds = grpc_metadata_credentials_create_from_plugin(plugin, NULL); GPR_ASSERT(state == PLUGIN_INITIAL_STATE); run_request_metadata_test(&exec_ctx, creds, auth_md_ctx, md_state); GPR_ASSERT(state == PLUGIN_GET_METADATA_CALLED_STATE); grpc_call_credentials_unref(&exec_ctx, creds); grpc_exec_ctx_finish(&exec_ctx); GPR_ASSERT(state == PLUGIN_DESTROY_CALLED_STATE); } static void test_get_well_known_google_credentials_file_path(void) { char* path; char* home = gpr_getenv("HOME"); path = grpc_get_well_known_google_credentials_file_path(); GPR_ASSERT(path != NULL); gpr_free(path); #if defined(GPR_POSIX_ENV) || defined(GPR_LINUX_ENV) unsetenv("HOME"); path = grpc_get_well_known_google_credentials_file_path(); GPR_ASSERT(path == NULL); gpr_setenv("HOME", home); gpr_free(path); #endif /* GPR_POSIX_ENV || GPR_LINUX_ENV */ gpr_free(home); } static void test_channel_creds_duplicate_without_call_creds(void) { grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; grpc_channel_credentials* channel_creds = grpc_fake_transport_security_credentials_create(); grpc_channel_credentials* dup = grpc_channel_credentials_duplicate_without_call_credentials( channel_creds); GPR_ASSERT(dup == channel_creds); grpc_channel_credentials_unref(&exec_ctx, dup); grpc_call_credentials* call_creds = grpc_access_token_credentials_create("blah", NULL); grpc_channel_credentials* composite_creds = grpc_composite_channel_credentials_create(channel_creds, call_creds, NULL); grpc_call_credentials_unref(&exec_ctx, call_creds); dup = grpc_channel_credentials_duplicate_without_call_credentials( composite_creds); GPR_ASSERT(dup == channel_creds); grpc_channel_credentials_unref(&exec_ctx, dup); grpc_channel_credentials_unref(&exec_ctx, channel_creds); grpc_channel_credentials_unref(&exec_ctx, composite_creds); grpc_exec_ctx_finish(&exec_ctx); } 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, NULL, &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 == NULL); grpc_slice_unref(call_host); grpc_slice_unref(call_method); grpc_auth_metadata_context_reset(&auth_md_context); } } int main(int argc, char** argv) { grpc_test_init(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_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_no_google_default_creds(); 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(); grpc_shutdown(); return 0; }