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grpc/test/core/security/credentials_test.cc

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/*
*
* 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 <grpc/support/port_platform.h>
#include "src/core/lib/security/credentials/credentials.h"
#include <openssl/rsa.h>
#include <stdlib.h>
#include <string.h>
#include <grpc/grpc_security.h>
#include <grpc/slice.h>
#include <grpc/support/alloc.h>
#include <grpc/support/log.h>
#include <grpc/support/string_util.h>
#include <grpc/support/time.h>
#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/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_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";
/* -- 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<char*>(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<char*>(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* 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* error) {
request_metadata_state* state = static_cast<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(&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* expected_error, const expected_md* expected,
size_t expected_size) {
request_metadata_state* state =
static_cast<request_metadata_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_call_credentials* creds,
grpc_auth_metadata_context auth_md_ctx,
request_metadata_state* state) {
grpc_error* 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);
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);
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<grpc_channel_security_connector>
create_security_connector(
grpc_core::RefCountedPtr<grpc_call_credentials> 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 =
grpc_core::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, 0);
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);
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<const grpc_composite_call_credentials*>(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<grpc_channel_security_connector>
create_security_connector(
grpc_core::RefCountedPtr<grpc_call_credentials> 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<const grpc_composite_call_credentials*>(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 =
grpc_core::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_"}};
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};
/* 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();
creds->Unref();
grpc_httpcli_set_override(nullptr, nullptr);
}
static void test_compute_engine_creds_failure(void) {
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};
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);
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. */
char* expected_body = nullptr;
GPR_ASSERT(body != nullptr);
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(
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_"}};
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);
/* 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();
creds->Unref();
grpc_httpcli_set_override(nullptr, nullptr);
}
static void test_refresh_token_creds_failure(void) {
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};
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);
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
};
grpc_uri* sts_url;
grpc_error* error =
grpc_core::ValidateStsCredentialsOptions(&valid_options, &sts_url);
GPR_ASSERT(error == GRPC_ERROR_NONE);
GPR_ASSERT(sts_url != nullptr);
grpc_core::StringView host;
grpc_core::StringView port;
GPR_ASSERT(grpc_core::SplitHostPort(sts_url->authority, &host, &port));
GPR_ASSERT(host.cmp("foo.com") == 0);
GPR_ASSERT(port.cmp("5555") == 0);
grpc_uri_destroy(sts_url);
}
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
};
grpc_uri* url_should_be_null;
grpc_error* error = grpc_core::ValidateStsCredentialsOptions(
&invalid_options, &url_should_be_null);
GPR_ASSERT(error != GRPC_ERROR_NONE);
GRPC_ERROR_UNREF(error);
GPR_ASSERT(url_should_be_null == nullptr);
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
};
error = grpc_core::ValidateStsCredentialsOptions(&invalid_options,
&url_should_be_null);
GPR_ASSERT(error != GRPC_ERROR_NONE);
GRPC_ERROR_UNREF(error);
GPR_ASSERT(url_should_be_null == nullptr);
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
};
error = grpc_core::ValidateStsCredentialsOptions(&invalid_options,
&url_should_be_null);
GPR_ASSERT(error != GRPC_ERROR_NONE);
GRPC_ERROR_UNREF(error);
GPR_ASSERT(url_should_be_null == nullptr);
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
};
error = grpc_core::ValidateStsCredentialsOptions(&invalid_options,
&url_should_be_null);
GPR_ASSERT(error != GRPC_ERROR_NONE);
GRPC_ERROR_UNREF(error);
GPR_ASSERT(url_should_be_null == nullptr);
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
};
error = grpc_core::ValidateStsCredentialsOptions(&invalid_options,
&url_should_be_null);
GPR_ASSERT(error != GRPC_ERROR_NONE);
GRPC_ERROR_UNREF(error);
GPR_ASSERT(url_should_be_null == nullptr);
}
static void validate_sts_token_http_request(const grpc_httpcli_request* request,
const char* body,
size_t body_size) {
// Check that the body is constructed properly.
GPR_ASSERT(body != nullptr);
GPR_ASSERT(body_size != 0);
GPR_ASSERT(request->handshaker == &grpc_httpcli_ssl);
char* get_url_equivalent;
gpr_asprintf(&get_url_equivalent, "%s?%s", test_sts_endpoint_url, body);
grpc_uri* url = grpc_uri_parse(get_url_equivalent, false);
GPR_ASSERT(strcmp(grpc_uri_get_query_arg(url, "resource"), "resource") == 0);
GPR_ASSERT(strcmp(grpc_uri_get_query_arg(url, "audience"), "audience") == 0);
GPR_ASSERT(strcmp(grpc_uri_get_query_arg(url, "scope"), "scope") == 0);
GPR_ASSERT(strcmp(grpc_uri_get_query_arg(url, "requested_token_type"),
"requested_token_type") == 0);
GPR_ASSERT(strcmp(grpc_uri_get_query_arg(url, "subject_token"),
test_signed_jwt) == 0);
GPR_ASSERT(strcmp(grpc_uri_get_query_arg(url, "subject_token_type"),
test_signed_jwt_token_type) == 0);
GPR_ASSERT(grpc_uri_get_query_arg(url, "actor_token") == nullptr);
GPR_ASSERT(grpc_uri_get_query_arg(url, "actor_token_type") == nullptr);
grpc_uri_destroy(url);
gpr_free(get_url_equivalent);
// 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);
*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(void) {
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(test_signed_jwt);
GPR_ASSERT(fwrite(test_signed_jwt, 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_"}};
grpc_auth_metadata_context auth_md_ctx = {test_service_url, test_method,
nullptr, nullptr};
char* test_signed_jwt_path = write_tmp_jwt_file();
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);
/* 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();
creds->Unref();
grpc_httpcli_set_override(nullptr, nullptr);
gpr_free(test_signed_jwt_path);
}
static void test_sts_creds_load_token_failure(void) {
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();
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);
creds->Unref();
grpc_httpcli_set_override(nullptr, nullptr);
gpr_free(test_signed_jwt_path);
}
static void test_sts_creds_http_failure(void) {
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();
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);
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()));
}
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<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(), nullptr);
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, nullptr);
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, nullptr);
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_core::ExecCtx exec_ctx;
grpc_auth_metadata_context auth_md_ctx = {test_service_url, test_method,
nullptr, nullptr};
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(), 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();
creds->Unref();
gpr_free(json_key_string);
gpr_free(expected_md_value);
grpc_jwt_encode_and_sign_set_override(nullptr);
}
static void test_jwt_creds_signing_failure(void) {
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);
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 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_google_default_creds_env_var_with_file_contents(
"json_key_google_default_creds", json_key);
gpr_free(json_key);
creds = reinterpret_cast<grpc_composite_channel_credentials*>(
grpc_google_default_credentials_create());
auto* default_creds =
reinterpret_cast<const grpc_google_default_channel_credentials*>(
creds->inner_creds());
GPR_ASSERT(default_creds->ssl_creds() != nullptr);
auto* jwt =
reinterpret_cast<const grpc_service_account_jwt_access_credentials*>(
creds->call_creds());
GPR_ASSERT(
strcmp(jwt->key().client_id,
"777-abaslkan11hlb6nmim3bpspl31ud.apps.googleusercontent.com") ==
0);
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_composite_channel_credentials*>(
grpc_google_default_credentials_create());
auto* default_creds =
reinterpret_cast<const grpc_google_default_channel_credentials*>(
creds->inner_creds());
GPR_ASSERT(default_creds->ssl_creds() != nullptr);
auto* refresh =
reinterpret_cast<const grpc_google_refresh_token_credentials*>(
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<grpc_http_header*>(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 char* null_well_known_creds_path_getter(void) { return nullptr; }
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_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_composite_channel_credentials*>(
grpc_google_default_credentials_create());
/* 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_composite_channel_credentials*>(
grpc_google_default_credentials_create());
/* 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);
/* Try a second one. GCE detection should occur again. */
g_test_gce_tenancy_checker_called = false;
GPR_ASSERT(grpc_google_default_credentials_create() == 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);
}
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<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 == nullptr);
GPR_ASSERT(context.reserved == nullptr);
plugin_state* s = static_cast<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 = static_cast<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_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;
grpc_call_credentials* creds =
grpc_metadata_credentials_create_from_plugin(plugin, 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);
creds->Unref();
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_core::ExecCtx exec_ctx;
grpc_auth_metadata_context auth_md_ctx = {test_service_url, test_method,
nullptr, nullptr};
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), nullptr, 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, 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);
creds->Unref();
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 != nullptr);
gpr_free(path);
#if defined(GPR_POSIX_ENV) || defined(GPR_LINUX_ENV)
gpr_unsetenv("HOME");
path = grpc_get_well_known_google_credentials_file_path();
GPR_ASSERT(path == nullptr);
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_core::ExecCtx exec_ctx;
grpc_channel_credentials* channel_creds =
grpc_fake_transport_security_credentials_create();
grpc_core::RefCountedPtr<grpc_channel_credentials> 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);
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);
}
}
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_load_token_failure();
test_sts_creds_http_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_google_default_creds_non_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;
}