| /* |
| * |
| * 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 "src/core/lib/security/credentials/jwt/jwt_verifier.h" |
| |
| #include <string.h> |
| |
| #include <grpc/grpc.h> |
| |
| #include <grpc/slice.h> |
| #include <grpc/support/alloc.h> |
| #include <grpc/support/log.h> |
| #include <grpc/support/string_util.h> |
| |
| #include "src/core/lib/http/httpcli.h" |
| #include "src/core/lib/security/credentials/jwt/json_token.h" |
| #include "src/core/lib/slice/b64.h" |
| #include "test/core/util/test_config.h" |
| |
| /* 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 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 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 json_key_str_part3_for_google_email_issuer[] = |
| "\"private_key_id\": \"e6b5137873db8d2ef81e06a47289e6434ec8a165\", " |
| "\"client_email\": " |
| "\"777-abaslkan11hlb6nmim3bpspl31ud@developer.gserviceaccount." |
| "com\", \"client_id\": " |
| "\"777-abaslkan11hlb6nmim3bpspl31ud.apps.googleusercontent." |
| "com\", \"type\": \"service_account\" }"; |
| /* Trick our JWT library into issuing a JWT with iss=accounts.google.com. */ |
| static const char json_key_str_part3_for_url_issuer[] = |
| "\"private_key_id\": \"e6b5137873db8d2ef81e06a47289e6434ec8a165\", " |
| "\"client_email\": \"accounts.google.com\", " |
| "\"client_id\": " |
| "\"777-abaslkan11hlb6nmim3bpspl31ud.apps.googleusercontent." |
| "com\", \"type\": \"service_account\" }"; |
| static const char json_key_str_part3_for_custom_email_issuer[] = |
| "\"private_key_id\": \"e6b5137873db8d2ef81e06a47289e6434ec8a165\", " |
| "\"client_email\": " |
| "\"foo@bar.com\", \"client_id\": " |
| "\"777-abaslkan11hlb6nmim3bpspl31ud.apps.googleusercontent." |
| "com\", \"type\": \"service_account\" }"; |
| |
| static grpc_jwt_verifier_email_domain_key_url_mapping custom_mapping = { |
| "bar.com", "keys.bar.com/jwk"}; |
| |
| static const char expected_user_data[] = "user data"; |
| |
| static const char good_jwk_set[] = |
| "{" |
| " \"keys\": [" |
| " {" |
| " \"kty\": \"RSA\"," |
| " \"alg\": \"RS256\"," |
| " \"use\": \"sig\"," |
| " \"kid\": \"e6b5137873db8d2ef81e06a47289e6434ec8a165\"," |
| " \"n\": " |
| "\"4S8myegefIeRdynuYkSqBYaOLDvU19cHKC56RIqGjrkXFoZuydIz1IxACpWTtDasb4jQ6mxP" |
| "QutZC1nKNJ6D-tYFC9LiGV7gt-KOQ_cnkEb4hcMw_xF_OI1FCx6cBcM0-" |
| "RjiQkK8q7HbF0M6dUXo3t0vedNhmD65Cs2wxPP1TFU=\"," |
| " \"e\": \"AQAB\"" |
| " }" |
| " ]" |
| "}"; |
| |
| static gpr_timespec expected_lifetime = {3600, 0, GPR_TIMESPAN}; |
| |
| static const char good_google_email_keys_part1[] = |
| "{\"e6b5137873db8d2ef81e06a47289e6434ec8a165\": \"-----BEGIN " |
| "CERTIFICATE-----" |
| "\\nMIICATCCAWoCCQDEywLhxvHjnDANBgkqhkiG9w0BAQsFADBFMQswCQYDVQQGEwJB\\nVTET" |
| "MBEGA1UECAwKU29tZS1TdGF0ZTEhMB8GA1UECgwYSW50ZXJuZXQgV2lkZ2l0\\ncyBQdHkgTHR" |
| "kMB4XDTE1MDYyOTA4Mzk1MFoXDTI1MDYyNjA4Mzk1MFowRTELMAkG\\nA1UEBhMCQVUxEzARBg" |
| "NVBAgMClNvbWUtU3RhdGUxITAfBgNVBAoMGEludGVybmV0\\nIFdpZGdpdHMgUHR5IEx0ZDCBn" |
| "zANBgkqhkiG9w0BAQEFAAOBjQAwgYkCgYEA4S8m\\nyegefIeRdynuYkSqBYaOLDvU19cHKC56" |
| "RIqGjrkXFoZuydIz1IxACpWTtDasb4jQ\\n6mxPQutZC1nKNJ6D+tYFC9LiGV7gt+KOQ/"; |
| |
| static const char good_google_email_keys_part2[] = |
| "cnkEb4hcMw/xF/OI1FCx6cBcM0+" |
| "Rji\\nQkK8q7HbF0M6dUXo3t0vedNhmD65Cs2wxPP1TFUCAwEAATANBgkqhkiG9w0BAQsF\\nA" |
| "AOBgQBfu69FkPmBknbKNFgurPz78kbs3VNN+k/" |
| "PUgO5DHKskJmgK2TbtvX2VMpx\\nkftmHGzgzMzUlOtigCaGMgHWjfqjpP9uuDbahXrZBJzB8c" |
| "Oq7MrQF8r17qVvo3Ue\\nPjTKQMAsU8uxTEMmeuz9L6yExs0rfd6bPOrQkAoVfFfiYB3/" |
| "pA==\\n-----END CERTIFICATE-----\\n\"}"; |
| |
| static const char expected_audience[] = "https://foo.com"; |
| |
| static const char good_openid_config[] = |
| "{" |
| " \"issuer\": \"https://accounts.google.com\"," |
| " \"authorization_endpoint\": " |
| "\"https://accounts.google.com/o/oauth2/v2/auth\"," |
| " \"token_endpoint\": \"https://www.googleapis.com/oauth2/v4/token\"," |
| " \"userinfo_endpoint\": \"https://www.googleapis.com/oauth2/v3/userinfo\"," |
| " \"revocation_endpoint\": \"https://accounts.google.com/o/oauth2/revoke\"," |
| " \"jwks_uri\": \"https://www.googleapis.com/oauth2/v3/certs\"" |
| "}"; |
| |
| static const char expired_claims[] = |
| "{ \"aud\": \"https://foo.com\"," |
| " \"iss\": \"blah.foo.com\"," |
| " \"sub\": \"juju@blah.foo.com\"," |
| " \"jti\": \"jwtuniqueid\"," |
| " \"iat\": 100," /* Way back in the past... */ |
| " \"exp\": 120," |
| " \"nbf\": 60," |
| " \"foo\": \"bar\"}"; |
| |
| static const char claims_without_time_constraint[] = |
| "{ \"aud\": \"https://foo.com\"," |
| " \"iss\": \"blah.foo.com\"," |
| " \"sub\": \"juju@blah.foo.com\"," |
| " \"jti\": \"jwtuniqueid\"," |
| " \"foo\": \"bar\"}"; |
| |
| static const char claims_with_bad_subject[] = |
| "{ \"aud\": \"https://foo.com\"," |
| " \"iss\": \"evil@blah.foo.com\"," |
| " \"sub\": \"juju@blah.foo.com\"," |
| " \"jti\": \"jwtuniqueid\"," |
| " \"foo\": \"bar\"}"; |
| |
| static const char invalid_claims[] = |
| "{ \"aud\": \"https://foo.com\"," |
| " \"iss\": 46," /* Issuer cannot be a number. */ |
| " \"sub\": \"juju@blah.foo.com\"," |
| " \"jti\": \"jwtuniqueid\"," |
| " \"foo\": \"bar\"}"; |
| |
| typedef struct { |
| grpc_jwt_verifier_status expected_status; |
| const char* expected_issuer; |
| const char* expected_subject; |
| } verifier_test_config; |
| |
| static void test_jwt_issuer_email_domain(void) { |
| const char* d = grpc_jwt_issuer_email_domain("https://foo.com"); |
| GPR_ASSERT(d == nullptr); |
| d = grpc_jwt_issuer_email_domain("foo.com"); |
| GPR_ASSERT(d == nullptr); |
| d = grpc_jwt_issuer_email_domain(""); |
| GPR_ASSERT(d == nullptr); |
| d = grpc_jwt_issuer_email_domain("@"); |
| GPR_ASSERT(d == nullptr); |
| d = grpc_jwt_issuer_email_domain("bar@foo"); |
| GPR_ASSERT(strcmp(d, "foo") == 0); |
| d = grpc_jwt_issuer_email_domain("bar@foo.com"); |
| GPR_ASSERT(strcmp(d, "foo.com") == 0); |
| d = grpc_jwt_issuer_email_domain("bar@blah.foo.com"); |
| GPR_ASSERT(strcmp(d, "foo.com") == 0); |
| d = grpc_jwt_issuer_email_domain("bar.blah@blah.foo.com"); |
| GPR_ASSERT(strcmp(d, "foo.com") == 0); |
| d = grpc_jwt_issuer_email_domain("bar.blah@baz.blah.foo.com"); |
| GPR_ASSERT(strcmp(d, "foo.com") == 0); |
| |
| /* This is not a very good parser but make sure we do not crash on these weird |
| inputs. */ |
| d = grpc_jwt_issuer_email_domain("@foo"); |
| GPR_ASSERT(strcmp(d, "foo") == 0); |
| d = grpc_jwt_issuer_email_domain("bar@."); |
| GPR_ASSERT(d != nullptr); |
| d = grpc_jwt_issuer_email_domain("bar@.."); |
| GPR_ASSERT(d != nullptr); |
| d = grpc_jwt_issuer_email_domain("bar@..."); |
| GPR_ASSERT(d != nullptr); |
| } |
| |
| static void test_claims_success(void) { |
| grpc_jwt_claims* claims; |
| grpc_slice s = grpc_slice_from_copied_string(claims_without_time_constraint); |
| grpc_json* json = grpc_json_parse_string_with_len( |
| reinterpret_cast<char*> GRPC_SLICE_START_PTR(s), GRPC_SLICE_LENGTH(s)); |
| GPR_ASSERT(json != nullptr); |
| grpc_core::ExecCtx exec_ctx; |
| claims = grpc_jwt_claims_from_json(json, s); |
| GPR_ASSERT(claims != nullptr); |
| GPR_ASSERT(grpc_jwt_claims_json(claims) == json); |
| GPR_ASSERT(strcmp(grpc_jwt_claims_audience(claims), "https://foo.com") == 0); |
| GPR_ASSERT(strcmp(grpc_jwt_claims_issuer(claims), "blah.foo.com") == 0); |
| GPR_ASSERT(strcmp(grpc_jwt_claims_subject(claims), "juju@blah.foo.com") == 0); |
| GPR_ASSERT(strcmp(grpc_jwt_claims_id(claims), "jwtuniqueid") == 0); |
| GPR_ASSERT(grpc_jwt_claims_check(claims, "https://foo.com") == |
| GRPC_JWT_VERIFIER_OK); |
| grpc_jwt_claims_destroy(claims); |
| } |
| |
| static void test_expired_claims_failure(void) { |
| grpc_jwt_claims* claims; |
| grpc_slice s = grpc_slice_from_copied_string(expired_claims); |
| grpc_json* json = grpc_json_parse_string_with_len( |
| reinterpret_cast<char*> GRPC_SLICE_START_PTR(s), GRPC_SLICE_LENGTH(s)); |
| gpr_timespec exp_iat = {100, 0, GPR_CLOCK_REALTIME}; |
| gpr_timespec exp_exp = {120, 0, GPR_CLOCK_REALTIME}; |
| gpr_timespec exp_nbf = {60, 0, GPR_CLOCK_REALTIME}; |
| GPR_ASSERT(json != nullptr); |
| grpc_core::ExecCtx exec_ctx; |
| claims = grpc_jwt_claims_from_json(json, s); |
| GPR_ASSERT(claims != nullptr); |
| GPR_ASSERT(grpc_jwt_claims_json(claims) == json); |
| GPR_ASSERT(strcmp(grpc_jwt_claims_audience(claims), "https://foo.com") == 0); |
| GPR_ASSERT(strcmp(grpc_jwt_claims_issuer(claims), "blah.foo.com") == 0); |
| GPR_ASSERT(strcmp(grpc_jwt_claims_subject(claims), "juju@blah.foo.com") == 0); |
| GPR_ASSERT(strcmp(grpc_jwt_claims_id(claims), "jwtuniqueid") == 0); |
| GPR_ASSERT(gpr_time_cmp(grpc_jwt_claims_issued_at(claims), exp_iat) == 0); |
| GPR_ASSERT(gpr_time_cmp(grpc_jwt_claims_expires_at(claims), exp_exp) == 0); |
| GPR_ASSERT(gpr_time_cmp(grpc_jwt_claims_not_before(claims), exp_nbf) == 0); |
| |
| GPR_ASSERT(grpc_jwt_claims_check(claims, "https://foo.com") == |
| GRPC_JWT_VERIFIER_TIME_CONSTRAINT_FAILURE); |
| grpc_jwt_claims_destroy(claims); |
| } |
| |
| static void test_invalid_claims_failure(void) { |
| grpc_slice s = grpc_slice_from_copied_string(invalid_claims); |
| grpc_json* json = grpc_json_parse_string_with_len( |
| reinterpret_cast<char*> GRPC_SLICE_START_PTR(s), GRPC_SLICE_LENGTH(s)); |
| grpc_core::ExecCtx exec_ctx; |
| GPR_ASSERT(grpc_jwt_claims_from_json(json, s) == nullptr); |
| } |
| |
| static void test_bad_audience_claims_failure(void) { |
| grpc_jwt_claims* claims; |
| grpc_slice s = grpc_slice_from_copied_string(claims_without_time_constraint); |
| grpc_json* json = grpc_json_parse_string_with_len( |
| reinterpret_cast<char*> GRPC_SLICE_START_PTR(s), GRPC_SLICE_LENGTH(s)); |
| GPR_ASSERT(json != nullptr); |
| grpc_core::ExecCtx exec_ctx; |
| claims = grpc_jwt_claims_from_json(json, s); |
| GPR_ASSERT(claims != nullptr); |
| GPR_ASSERT(grpc_jwt_claims_check(claims, "https://bar.com") == |
| GRPC_JWT_VERIFIER_BAD_AUDIENCE); |
| grpc_jwt_claims_destroy(claims); |
| } |
| |
| static void test_bad_subject_claims_failure(void) { |
| grpc_jwt_claims* claims; |
| grpc_slice s = grpc_slice_from_copied_string(claims_with_bad_subject); |
| grpc_json* json = grpc_json_parse_string_with_len( |
| reinterpret_cast<char*> GRPC_SLICE_START_PTR(s), GRPC_SLICE_LENGTH(s)); |
| GPR_ASSERT(json != nullptr); |
| grpc_core::ExecCtx exec_ctx; |
| claims = grpc_jwt_claims_from_json(json, s); |
| GPR_ASSERT(claims != nullptr); |
| GPR_ASSERT(grpc_jwt_claims_check(claims, "https://foo.com") == |
| GRPC_JWT_VERIFIER_BAD_SUBJECT); |
| grpc_jwt_claims_destroy(claims); |
| } |
| |
| static char* json_key_str(const char* last_part) { |
| size_t result_len = strlen(json_key_str_part1) + strlen(json_key_str_part2) + |
| strlen(last_part); |
| char* result = static_cast<char*>(gpr_malloc(result_len + 1)); |
| char* current = result; |
| strcpy(result, json_key_str_part1); |
| current += strlen(json_key_str_part1); |
| strcpy(current, json_key_str_part2); |
| current += strlen(json_key_str_part2); |
| strcpy(current, last_part); |
| return result; |
| } |
| |
| static char* good_google_email_keys(void) { |
| size_t result_len = strlen(good_google_email_keys_part1) + |
| strlen(good_google_email_keys_part2); |
| char* result = static_cast<char*>(gpr_malloc(result_len + 1)); |
| char* current = result; |
| strcpy(result, good_google_email_keys_part1); |
| current += strlen(good_google_email_keys_part1); |
| strcpy(current, good_google_email_keys_part2); |
| return result; |
| } |
| |
| static grpc_httpcli_response http_response(int status, char* body) { |
| grpc_httpcli_response response; |
| memset(&response, 0, sizeof(grpc_httpcli_response)); |
| response.status = status; |
| response.body = body; |
| response.body_length = strlen(body); |
| return response; |
| } |
| |
| 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_google_keys_for_email( |
| const grpc_httpcli_request* request, grpc_millis deadline, |
| grpc_closure* on_done, grpc_httpcli_response* response) { |
| *response = http_response(200, good_google_email_keys()); |
| GPR_ASSERT(request->handshaker == &grpc_httpcli_ssl); |
| GPR_ASSERT(strcmp(request->host, "www.googleapis.com") == 0); |
| GPR_ASSERT(strcmp(request->http.path, |
| "/robot/v1/metadata/x509/" |
| "777-abaslkan11hlb6nmim3bpspl31ud@developer." |
| "gserviceaccount.com") == 0); |
| GRPC_CLOSURE_SCHED(on_done, GRPC_ERROR_NONE); |
| return 1; |
| } |
| |
| static void on_verification_success(void* user_data, |
| grpc_jwt_verifier_status status, |
| grpc_jwt_claims* claims) { |
| GPR_ASSERT(status == GRPC_JWT_VERIFIER_OK); |
| GPR_ASSERT(claims != nullptr); |
| GPR_ASSERT(user_data == (void*)expected_user_data); |
| GPR_ASSERT(strcmp(grpc_jwt_claims_audience(claims), expected_audience) == 0); |
| grpc_jwt_claims_destroy(claims); |
| } |
| |
| static void test_jwt_verifier_google_email_issuer_success(void) { |
| grpc_core::ExecCtx exec_ctx; |
| grpc_jwt_verifier* verifier = grpc_jwt_verifier_create(nullptr, 0); |
| char* jwt = nullptr; |
| char* key_str = json_key_str(json_key_str_part3_for_google_email_issuer); |
| grpc_auth_json_key key = grpc_auth_json_key_create_from_string(key_str); |
| gpr_free(key_str); |
| GPR_ASSERT(grpc_auth_json_key_is_valid(&key)); |
| grpc_httpcli_set_override(httpcli_get_google_keys_for_email, |
| httpcli_post_should_not_be_called); |
| jwt = grpc_jwt_encode_and_sign(&key, expected_audience, expected_lifetime, |
| nullptr); |
| grpc_auth_json_key_destruct(&key); |
| GPR_ASSERT(jwt != nullptr); |
| grpc_jwt_verifier_verify(verifier, nullptr, jwt, expected_audience, |
| on_verification_success, (void*)expected_user_data); |
| grpc_jwt_verifier_destroy(verifier); |
| grpc_core::ExecCtx::Get()->Flush(); |
| gpr_free(jwt); |
| grpc_httpcli_set_override(nullptr, nullptr); |
| } |
| |
| static int httpcli_get_custom_keys_for_email( |
| const grpc_httpcli_request* request, grpc_millis deadline, |
| grpc_closure* on_done, grpc_httpcli_response* response) { |
| *response = http_response(200, gpr_strdup(good_jwk_set)); |
| GPR_ASSERT(request->handshaker == &grpc_httpcli_ssl); |
| GPR_ASSERT(strcmp(request->host, "keys.bar.com") == 0); |
| GPR_ASSERT(strcmp(request->http.path, "/jwk/foo@bar.com") == 0); |
| GRPC_CLOSURE_SCHED(on_done, GRPC_ERROR_NONE); |
| return 1; |
| } |
| |
| static void test_jwt_verifier_custom_email_issuer_success(void) { |
| grpc_core::ExecCtx exec_ctx; |
| grpc_jwt_verifier* verifier = grpc_jwt_verifier_create(&custom_mapping, 1); |
| char* jwt = nullptr; |
| char* key_str = json_key_str(json_key_str_part3_for_custom_email_issuer); |
| grpc_auth_json_key key = grpc_auth_json_key_create_from_string(key_str); |
| gpr_free(key_str); |
| GPR_ASSERT(grpc_auth_json_key_is_valid(&key)); |
| grpc_httpcli_set_override(httpcli_get_custom_keys_for_email, |
| httpcli_post_should_not_be_called); |
| jwt = grpc_jwt_encode_and_sign(&key, expected_audience, expected_lifetime, |
| nullptr); |
| grpc_auth_json_key_destruct(&key); |
| GPR_ASSERT(jwt != nullptr); |
| grpc_jwt_verifier_verify(verifier, nullptr, jwt, expected_audience, |
| on_verification_success, (void*)expected_user_data); |
| grpc_jwt_verifier_destroy(verifier); |
| grpc_core::ExecCtx::Get()->Flush(); |
| gpr_free(jwt); |
| grpc_httpcli_set_override(nullptr, nullptr); |
| } |
| |
| static int httpcli_get_jwk_set(const grpc_httpcli_request* request, |
| grpc_millis deadline, grpc_closure* on_done, |
| grpc_httpcli_response* response) { |
| *response = http_response(200, gpr_strdup(good_jwk_set)); |
| GPR_ASSERT(request->handshaker == &grpc_httpcli_ssl); |
| GPR_ASSERT(strcmp(request->host, "www.googleapis.com") == 0); |
| GPR_ASSERT(strcmp(request->http.path, "/oauth2/v3/certs") == 0); |
| GRPC_CLOSURE_SCHED(on_done, GRPC_ERROR_NONE); |
| return 1; |
| } |
| |
| static int httpcli_get_openid_config(const grpc_httpcli_request* request, |
| grpc_millis deadline, |
| grpc_closure* on_done, |
| grpc_httpcli_response* response) { |
| *response = http_response(200, gpr_strdup(good_openid_config)); |
| GPR_ASSERT(request->handshaker == &grpc_httpcli_ssl); |
| GPR_ASSERT(strcmp(request->host, "accounts.google.com") == 0); |
| GPR_ASSERT(strcmp(request->http.path, GRPC_OPENID_CONFIG_URL_SUFFIX) == 0); |
| grpc_httpcli_set_override(httpcli_get_jwk_set, |
| httpcli_post_should_not_be_called); |
| GRPC_CLOSURE_SCHED(on_done, GRPC_ERROR_NONE); |
| return 1; |
| } |
| |
| static void test_jwt_verifier_url_issuer_success(void) { |
| grpc_core::ExecCtx exec_ctx; |
| grpc_jwt_verifier* verifier = grpc_jwt_verifier_create(nullptr, 0); |
| char* jwt = nullptr; |
| char* key_str = json_key_str(json_key_str_part3_for_url_issuer); |
| grpc_auth_json_key key = grpc_auth_json_key_create_from_string(key_str); |
| gpr_free(key_str); |
| GPR_ASSERT(grpc_auth_json_key_is_valid(&key)); |
| grpc_httpcli_set_override(httpcli_get_openid_config, |
| httpcli_post_should_not_be_called); |
| jwt = grpc_jwt_encode_and_sign(&key, expected_audience, expected_lifetime, |
| nullptr); |
| grpc_auth_json_key_destruct(&key); |
| GPR_ASSERT(jwt != nullptr); |
| grpc_jwt_verifier_verify(verifier, nullptr, jwt, expected_audience, |
| on_verification_success, (void*)expected_user_data); |
| grpc_jwt_verifier_destroy(verifier); |
| grpc_core::ExecCtx::Get()->Flush(); |
| gpr_free(jwt); |
| grpc_httpcli_set_override(nullptr, nullptr); |
| } |
| |
| static void on_verification_key_retrieval_error(void* user_data, |
| grpc_jwt_verifier_status status, |
| grpc_jwt_claims* claims) { |
| GPR_ASSERT(status == GRPC_JWT_VERIFIER_KEY_RETRIEVAL_ERROR); |
| GPR_ASSERT(claims == nullptr); |
| GPR_ASSERT(user_data == (void*)expected_user_data); |
| } |
| |
| static int httpcli_get_bad_json(const grpc_httpcli_request* request, |
| grpc_millis deadline, grpc_closure* on_done, |
| grpc_httpcli_response* response) { |
| *response = http_response(200, gpr_strdup("{\"bad\": \"stuff\"}")); |
| GPR_ASSERT(request->handshaker == &grpc_httpcli_ssl); |
| GRPC_CLOSURE_SCHED(on_done, GRPC_ERROR_NONE); |
| return 1; |
| } |
| |
| static void test_jwt_verifier_url_issuer_bad_config(void) { |
| grpc_core::ExecCtx exec_ctx; |
| grpc_jwt_verifier* verifier = grpc_jwt_verifier_create(nullptr, 0); |
| char* jwt = nullptr; |
| char* key_str = json_key_str(json_key_str_part3_for_url_issuer); |
| grpc_auth_json_key key = grpc_auth_json_key_create_from_string(key_str); |
| gpr_free(key_str); |
| GPR_ASSERT(grpc_auth_json_key_is_valid(&key)); |
| grpc_httpcli_set_override(httpcli_get_bad_json, |
| httpcli_post_should_not_be_called); |
| jwt = grpc_jwt_encode_and_sign(&key, expected_audience, expected_lifetime, |
| nullptr); |
| grpc_auth_json_key_destruct(&key); |
| GPR_ASSERT(jwt != nullptr); |
| grpc_jwt_verifier_verify(verifier, nullptr, jwt, expected_audience, |
| on_verification_key_retrieval_error, |
| (void*)expected_user_data); |
| grpc_jwt_verifier_destroy(verifier); |
| grpc_core::ExecCtx::Get()->Flush(); |
| gpr_free(jwt); |
| grpc_httpcli_set_override(nullptr, nullptr); |
| } |
| |
| static void test_jwt_verifier_bad_json_key(void) { |
| grpc_core::ExecCtx exec_ctx; |
| grpc_jwt_verifier* verifier = grpc_jwt_verifier_create(nullptr, 0); |
| char* jwt = nullptr; |
| char* key_str = json_key_str(json_key_str_part3_for_google_email_issuer); |
| grpc_auth_json_key key = grpc_auth_json_key_create_from_string(key_str); |
| gpr_free(key_str); |
| GPR_ASSERT(grpc_auth_json_key_is_valid(&key)); |
| grpc_httpcli_set_override(httpcli_get_bad_json, |
| httpcli_post_should_not_be_called); |
| jwt = grpc_jwt_encode_and_sign(&key, expected_audience, expected_lifetime, |
| nullptr); |
| grpc_auth_json_key_destruct(&key); |
| GPR_ASSERT(jwt != nullptr); |
| grpc_jwt_verifier_verify(verifier, nullptr, jwt, expected_audience, |
| on_verification_key_retrieval_error, |
| (void*)expected_user_data); |
| grpc_jwt_verifier_destroy(verifier); |
| grpc_core::ExecCtx::Get()->Flush(); |
| gpr_free(jwt); |
| grpc_httpcli_set_override(nullptr, nullptr); |
| } |
| |
| static void corrupt_jwt_sig(char* jwt) { |
| grpc_slice sig; |
| char* bad_b64_sig; |
| uint8_t* sig_bytes; |
| char* last_dot = strrchr(jwt, '.'); |
| GPR_ASSERT(last_dot != nullptr); |
| { |
| grpc_core::ExecCtx exec_ctx; |
| sig = grpc_base64_decode(last_dot + 1, 1); |
| } |
| GPR_ASSERT(!GRPC_SLICE_IS_EMPTY(sig)); |
| sig_bytes = GRPC_SLICE_START_PTR(sig); |
| (*sig_bytes)++; /* Corrupt first byte. */ |
| bad_b64_sig = grpc_base64_encode(GRPC_SLICE_START_PTR(sig), |
| GRPC_SLICE_LENGTH(sig), 1, 0); |
| memcpy(last_dot + 1, bad_b64_sig, strlen(bad_b64_sig)); |
| gpr_free(bad_b64_sig); |
| grpc_slice_unref(sig); |
| } |
| |
| static void on_verification_bad_signature(void* user_data, |
| grpc_jwt_verifier_status status, |
| grpc_jwt_claims* claims) { |
| GPR_ASSERT(status == GRPC_JWT_VERIFIER_BAD_SIGNATURE); |
| GPR_ASSERT(claims == nullptr); |
| GPR_ASSERT(user_data == (void*)expected_user_data); |
| } |
| |
| static void test_jwt_verifier_bad_signature(void) { |
| grpc_core::ExecCtx exec_ctx; |
| grpc_jwt_verifier* verifier = grpc_jwt_verifier_create(nullptr, 0); |
| char* jwt = nullptr; |
| char* key_str = json_key_str(json_key_str_part3_for_url_issuer); |
| grpc_auth_json_key key = grpc_auth_json_key_create_from_string(key_str); |
| gpr_free(key_str); |
| GPR_ASSERT(grpc_auth_json_key_is_valid(&key)); |
| grpc_httpcli_set_override(httpcli_get_openid_config, |
| httpcli_post_should_not_be_called); |
| jwt = grpc_jwt_encode_and_sign(&key, expected_audience, expected_lifetime, |
| nullptr); |
| grpc_auth_json_key_destruct(&key); |
| corrupt_jwt_sig(jwt); |
| GPR_ASSERT(jwt != nullptr); |
| grpc_jwt_verifier_verify(verifier, nullptr, jwt, expected_audience, |
| on_verification_bad_signature, |
| (void*)expected_user_data); |
| gpr_free(jwt); |
| grpc_jwt_verifier_destroy(verifier); |
| grpc_core::ExecCtx::Get()->Flush(); |
| grpc_httpcli_set_override(nullptr, nullptr); |
| } |
| |
| 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(0); |
| return 1; |
| } |
| |
| static void on_verification_bad_format(void* user_data, |
| grpc_jwt_verifier_status status, |
| grpc_jwt_claims* claims) { |
| GPR_ASSERT(status == GRPC_JWT_VERIFIER_BAD_FORMAT); |
| GPR_ASSERT(claims == nullptr); |
| GPR_ASSERT(user_data == (void*)expected_user_data); |
| } |
| |
| static void test_jwt_verifier_bad_format(void) { |
| grpc_core::ExecCtx exec_ctx; |
| grpc_jwt_verifier* verifier = grpc_jwt_verifier_create(nullptr, 0); |
| grpc_httpcli_set_override(httpcli_get_should_not_be_called, |
| httpcli_post_should_not_be_called); |
| grpc_jwt_verifier_verify(verifier, nullptr, "bad jwt", expected_audience, |
| on_verification_bad_format, |
| (void*)expected_user_data); |
| grpc_jwt_verifier_destroy(verifier); |
| grpc_core::ExecCtx::Get()->Flush(); |
| grpc_httpcli_set_override(nullptr, nullptr); |
| } |
| |
| /* find verification key: bad jks, cannot find key in jks */ |
| /* bad signature custom provided email*/ |
| /* bad key */ |
| |
| int main(int argc, char** argv) { |
| grpc_test_init(argc, argv); |
| grpc_init(); |
| test_jwt_issuer_email_domain(); |
| test_claims_success(); |
| test_expired_claims_failure(); |
| test_invalid_claims_failure(); |
| test_bad_audience_claims_failure(); |
| test_bad_subject_claims_failure(); |
| test_jwt_verifier_google_email_issuer_success(); |
| test_jwt_verifier_custom_email_issuer_success(); |
| test_jwt_verifier_url_issuer_success(); |
| test_jwt_verifier_url_issuer_bad_config(); |
| test_jwt_verifier_bad_json_key(); |
| test_jwt_verifier_bad_signature(); |
| test_jwt_verifier_bad_format(); |
| grpc_shutdown(); |
| return 0; |
| } |
