Line data    Source code

       1             : /*
       2             :  *
       3             :  * Copyright 2015, Google Inc.
       4             :  * All rights reserved.
       5             :  *
       6             :  * Redistribution and use in source and binary forms, with or without
       7             :  * modification, are permitted provided that the following conditions are
       8             :  * met:
       9             :  *
      10             :  *     * Redistributions of source code must retain the above copyright
      11             :  * notice, this list of conditions and the following disclaimer.
      12             :  *     * Redistributions in binary form must reproduce the above
      13             :  * copyright notice, this list of conditions and the following disclaimer
      14             :  * in the documentation and/or other materials provided with the
      15             :  * distribution.
      16             :  *     * Neither the name of Google Inc. nor the names of its
      17             :  * contributors may be used to endorse or promote products derived from
      18             :  * this software without specific prior written permission.
      19             :  *
      20             :  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
      21             :  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
      22             :  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
      23             :  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
      24             :  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
      25             :  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
      26             :  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
      27             :  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
      28             :  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
      29             :  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
      30             :  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
      31             :  *
      32             :  */
      33             : 
      34             : #include "test/core/security/oauth2_utils.h"
      35             : 
      36             : #include <string.h>
      37             : 
      38             : #include <grpc/grpc.h>
      39             : #include <grpc/grpc_security.h>
      40             : #include <grpc/support/alloc.h>
      41             : #include <grpc/support/log.h>
      42             : #include <grpc/support/slice.h>
      43             : #include <grpc/support/sync.h>
      44             : 
      45             : #include "src/core/security/credentials.h"
      46             : 
      47             : typedef struct {
      48             :   grpc_pollset pollset;
      49             :   int is_done;
      50             :   char *token;
      51             : } oauth2_request;
      52             : 
      53           0 : static void on_oauth2_response(grpc_exec_ctx *exec_ctx, void *user_data,
      54             :                                grpc_credentials_md *md_elems, size_t num_md,
      55             :                                grpc_credentials_status status) {
      56           0 :   oauth2_request *request = user_data;
      57           0 :   char *token = NULL;
      58             :   gpr_slice token_slice;
      59           0 :   if (status == GRPC_CREDENTIALS_ERROR) {
      60           0 :     gpr_log(GPR_ERROR, "Fetching token failed.");
      61             :   } else {
      62           0 :     GPR_ASSERT(num_md == 1);
      63           0 :     token_slice = md_elems[0].value;
      64           0 :     token = gpr_malloc(GPR_SLICE_LENGTH(token_slice) + 1);
      65           0 :     memcpy(token, GPR_SLICE_START_PTR(token_slice),
      66           0 :            GPR_SLICE_LENGTH(token_slice));
      67           0 :     token[GPR_SLICE_LENGTH(token_slice)] = '\0';
      68             :   }
      69           0 :   gpr_mu_lock(GRPC_POLLSET_MU(&request->pollset));
      70           0 :   request->is_done = 1;
      71           0 :   request->token = token;
      72           0 :   grpc_pollset_kick(&request->pollset, NULL);
      73           0 :   gpr_mu_unlock(GRPC_POLLSET_MU(&request->pollset));
      74           0 : }
      75             : 
      76           0 : static void do_nothing(grpc_exec_ctx *exec_ctx, void *unused, int success) {}
      77             : 
      78           0 : char *grpc_test_fetch_oauth2_token_with_credentials(grpc_credentials *creds) {
      79             :   oauth2_request request;
      80           0 :   grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
      81             :   grpc_closure do_nothing_closure;
      82           0 :   grpc_pollset_init(&request.pollset);
      83           0 :   request.is_done = 0;
      84             : 
      85           0 :   grpc_closure_init(&do_nothing_closure, do_nothing, NULL);
      86             : 
      87           0 :   grpc_credentials_get_request_metadata(&exec_ctx, creds, &request.pollset, "",
      88             :                                         on_oauth2_response, &request);
      89             : 
      90           0 :   grpc_exec_ctx_finish(&exec_ctx);
      91             : 
      92           0 :   gpr_mu_lock(GRPC_POLLSET_MU(&request.pollset));
      93           0 :   while (!request.is_done) {
      94             :     grpc_pollset_worker worker;
      95           0 :     grpc_pollset_work(&exec_ctx, &request.pollset, &worker,
      96             :                       gpr_now(GPR_CLOCK_MONOTONIC),
      97             :                       gpr_inf_future(GPR_CLOCK_MONOTONIC));
      98             :   }
      99           0 :   gpr_mu_unlock(GRPC_POLLSET_MU(&request.pollset));
     100             : 
     101           0 :   grpc_pollset_shutdown(&exec_ctx, &request.pollset, &do_nothing_closure);
     102           0 :   grpc_exec_ctx_finish(&exec_ctx);
     103           0 :   grpc_pollset_destroy(&request.pollset);
     104           0 :   return request.token;
     105             : }