static void composite_call_md_context_destroy(
grpc_composite_call_credentials_metadata_context *ctx) {
grpc_credentials_md_store_unref(ctx->md_elems);
gpr_free(ctx);
}
static void md_only_test_destruct(grpc_call_credentials *creds) {
grpc_md_only_test_credentials *c = (grpc_md_only_test_credentials *)creds;
grpc_credentials_md_store_unref(c->md_store);
}
static void access_token_destruct(grpc_call_credentials *creds) {
grpc_access_token_credentials *c = (grpc_access_token_credentials *)creds;
grpc_credentials_md_store_unref(c->access_token_md);
}
grpc_credentials_status
grpc_oauth2_token_fetcher_credentials_parse_server_response(
const grpc_httpcli_response *response, grpc_credentials_md_store **token_md,
gpr_timespec *token_lifetime) {
char *null_terminated_body = NULL;
char *new_access_token = NULL;
grpc_credentials_status status = GRPC_CREDENTIALS_OK;
grpc_json *json = NULL;
if (response == NULL) {
gpr_log(GPR_ERROR, "Received NULL response.");
status = GRPC_CREDENTIALS_ERROR;
goto end;
}
if (response->body_length > 0) {
null_terminated_body = gpr_malloc(response->body_length + 1);
null_terminated_body[response->body_length] = '\0';
memcpy(null_terminated_body, response->body, response->body_length);
}
if (response->status != 200) {
gpr_log(GPR_ERROR, "Call to http server ended with error %d [%s].",
response->status,
null_terminated_body != NULL ? null_terminated_body : "");
status = GRPC_CREDENTIALS_ERROR;
goto end;
} else {
grpc_json *access_token = NULL;
grpc_json *token_type = NULL;
grpc_json *expires_in = NULL;
grpc_json *ptr;
json = grpc_json_parse_string(null_terminated_body);
if (json == NULL) {
gpr_log(GPR_ERROR, "Could not parse JSON from %s", null_terminated_body);
status = GRPC_CREDENTIALS_ERROR;
goto end;
}
if (json->type != GRPC_JSON_OBJECT) {
gpr_log(GPR_ERROR, "Response should be a JSON object");
status = GRPC_CREDENTIALS_ERROR;
goto end;
}
for (ptr = json->child; ptr; ptr = ptr->next) {
if (strcmp(ptr->key, "access_token") == 0) {
access_token = ptr;
} else if (strcmp(ptr->key, "token_type") == 0) {
token_type = ptr;
} else if (strcmp(ptr->key, "expires_in") == 0) {
expires_in = ptr;
}
}
if (access_token == NULL || access_token->type != GRPC_JSON_STRING) {
gpr_log(GPR_ERROR, "Missing or invalid access_token in JSON.");
status = GRPC_CREDENTIALS_ERROR;
goto end;
}
if (token_type == NULL || token_type->type != GRPC_JSON_STRING) {
gpr_log(GPR_ERROR, "Missing or invalid token_type in JSON.");
status = GRPC_CREDENTIALS_ERROR;
goto end;
}
if (expires_in == NULL || expires_in->type != GRPC_JSON_NUMBER) {
gpr_log(GPR_ERROR, "Missing or invalid expires_in in JSON.");
status = GRPC_CREDENTIALS_ERROR;
goto end;
}
gpr_asprintf(&new_access_token, "%s %s", token_type->value,
access_token->value);
token_lifetime->tv_sec = strtol(expires_in->value, NULL, 10);
token_lifetime->tv_nsec = 0;
token_lifetime->clock_type = GPR_TIMESPAN;
if (*token_md != NULL) grpc_credentials_md_store_unref(*token_md);
*token_md = grpc_credentials_md_store_create(1);
grpc_credentials_md_store_add_cstrings(
*token_md, GRPC_AUTHORIZATION_METADATA_KEY, new_access_token);
status = GRPC_CREDENTIALS_OK;
}
end:
if (status != GRPC_CREDENTIALS_OK && (*token_md != NULL)) {
grpc_credentials_md_store_unref(*token_md);
*token_md = NULL;
}
if (null_terminated_body != NULL) gpr_free(null_terminated_body);
if (new_access_token != NULL) gpr_free(new_access_token);
if (json != NULL) grpc_json_destroy(json);
return status;
}
static void iam_destruct(grpc_call_credentials *creds) {
grpc_google_iam_credentials *c = (grpc_google_iam_credentials *)creds;
grpc_credentials_md_store_unref(c->iam_md);
}
static void composite_md_context_destroy(
grpc_composite_credentials_metadata_context *ctx) {
grpc_credentials_md_store_unref(ctx->md_elems);
if (ctx->service_url != NULL) gpr_free(ctx->service_url);
gpr_free(ctx);
}
static void fake_oauth2_destroy(grpc_credentials *creds) {
grpc_fake_oauth2_credentials *c = (grpc_fake_oauth2_credentials *)creds;
grpc_credentials_md_store_unref(c->access_token_md);
gpr_free(c);
}
static void iam_destroy(grpc_credentials *creds) {
grpc_iam_credentials *c = (grpc_iam_credentials *)creds;
grpc_credentials_md_store_unref(c->iam_md);
gpr_free(c);
}
