1/***************************************************************************
2 *                                  _   _ ____  _
3 *  Project                     ___| | | |  _ \| |
4 *                             / __| | | | |_) | |
5 *                            | (__| |_| |  _ <| |___
6 *                             \___|\___/|_| \_\_____|
7 *
8 * Copyright (C) 1998 - 2016, Daniel Stenberg, <daniel@haxx.se>, et al.
9 *
10 * This software is licensed as described in the file COPYING, which
11 * you should have received as part of this distribution. The terms
12 * are also available at https://curl.haxx.se/docs/copyright.html.
13 *
14 * You may opt to use, copy, modify, merge, publish, distribute and/or sell
15 * copies of the Software, and permit persons to whom the Software is
16 * furnished to do so, under the terms of the COPYING file.
17 *
18 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
19 * KIND, either express or implied.
20 *
21 * RFC6749 OAuth 2.0 Authorization Framework
22 *
23 ***************************************************************************/
24
25#include "curl_setup.h"
26
27#include <curl/curl.h>
28#include "urldata.h"
29
30#include "vauth/vauth.h"
31#include "curl_base64.h"
32#include "warnless.h"
33#include "curl_printf.h"
34
35/* The last #include files should be: */
36#include "curl_memory.h"
37#include "memdebug.h"
38
39/*
40 * Curl_auth_create_oauth_bearer_message()
41 *
42 * This is used to generate an already encoded OAuth 2.0 message ready for
43 * sending to the recipient.
44 *
45 * Parameters:
46 *
47 * data[in]         - The session handle.
48 * user[in]         - The user name.
49 * host[in]         - The host name(for OAUTHBEARER).
50 * port[in]         - The port(for OAUTHBEARER when not Port 80).
51 * bearer[in]       - The bearer token.
52 * outptr[in / out] - The address where a pointer to newly allocated memory
53 *                    holding the result will be stored upon completion.
54 * outlen[out]      - The length of the output message.
55 *
56 * Returns CURLE_OK on success.
57 */
58CURLcode Curl_auth_create_oauth_bearer_message(struct Curl_easy *data,
59                                               const char *user,
60                                               const char *host,
61                                               const long port,
62                                               const char *bearer,
63                                               char **outptr, size_t *outlen)
64{
65  CURLcode result = CURLE_OK;
66  char *oauth = NULL;
67
68  /* Generate the message */
69  if(host == NULL && (port == 0 || port == 80))
70    oauth = aprintf("user=%s\1auth=Bearer %s\1\1", user, bearer);
71  else if(port == 0 || port == 80)
72    oauth = aprintf("user=%s\1host=%s\1auth=Bearer %s\1\1", user, host,
73                    bearer);
74  else
75    oauth = aprintf("user=%s\1host=%s\1port=%ld\1auth=Bearer %s\1\1", user,
76                    host, port, bearer);
77  if(!oauth)
78    return CURLE_OUT_OF_MEMORY;
79
80  /* Base64 encode the reply */
81  result = Curl_base64_encode(data, oauth, strlen(oauth), outptr, outlen);
82
83  free(oauth);
84
85  return result;
86}
87