1 | // Copyright (c) 2009, Google Inc. |
2 | // All rights reserved. |
3 | // |
4 | // Redistribution and use in source and binary forms, with or without |
5 | // modification, are permitted provided that the following conditions are |
6 | // met: |
7 | // |
8 | // * Redistributions of source code must retain the above copyright |
9 | // notice, this list of conditions and the following disclaimer. |
10 | // * Redistributions in binary form must reproduce the above |
11 | // copyright notice, this list of conditions and the following disclaimer |
12 | // in the documentation and/or other materials provided with the |
13 | // distribution. |
14 | // * Neither the name of Google Inc. nor the names of its |
15 | // contributors may be used to endorse or promote products derived from |
16 | // this software without specific prior written permission. |
17 | // |
18 | // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
19 | // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
20 | // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
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25 | // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
26 | // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
27 | // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
28 | // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
29 | |
30 | // A wrapper for libcurl to do HTTP Uploads, to support easy mocking |
31 | // and unit testing of the HTTPUpload class. |
32 | |
33 | #ifndef COMMON_LINUX_LIBCURL_WRAPPER_H_ |
34 | #define COMMON_LINUX_LIBCURL_WRAPPER_H_ |
35 | |
36 | #include <string> |
37 | #include <map> |
38 | |
39 | #include "common/using_std_string.h" |
40 | #include "third_party/curl/curl.h" |
41 | |
42 | namespace google_breakpad { |
43 | class LibcurlWrapper { |
44 | public: |
45 | LibcurlWrapper(); |
46 | virtual ~LibcurlWrapper(); |
47 | virtual bool Init(); |
48 | virtual bool SetProxy(const string& proxy_host, |
49 | const string& proxy_userpwd); |
50 | virtual bool AddFile(const string& upload_file_path, |
51 | const string& basename); |
52 | virtual bool SendRequest(const string& url, |
53 | const std::map<string, string>& parameters, |
54 | long* http_status_code, |
55 | string* , |
56 | string* http_response_data); |
57 | bool SendGetRequest(const string& url, |
58 | long* http_status_code, |
59 | string* , |
60 | string* http_response_data); |
61 | bool SendPutRequest(const string& url, |
62 | const string& path, |
63 | long* http_status_code, |
64 | string* , |
65 | string* http_response_data); |
66 | bool SendSimplePostRequest(const string& url, |
67 | const string& body, |
68 | const string& content_type, |
69 | long* http_status_code, |
70 | string* , |
71 | string* http_response_data); |
72 | |
73 | private: |
74 | // This function initializes class state corresponding to function |
75 | // pointers into the CURL library. |
76 | bool SetFunctionPointers(); |
77 | |
78 | bool SendRequestInner(const string& url, |
79 | long* http_status_code, |
80 | string* , |
81 | string* http_response_data); |
82 | |
83 | void Reset(); |
84 | |
85 | bool CheckInit(); |
86 | |
87 | bool init_ok_; // Whether init succeeded |
88 | void* curl_lib_; // Pointer to result of dlopen() on |
89 | // curl library |
90 | string last_curl_error_; // The text of the last error when |
91 | // dealing |
92 | // with CURL. |
93 | |
94 | CURL* curl_; // Pointer for handle for CURL calls. |
95 | |
96 | CURL* (*easy_init_)(void); |
97 | |
98 | // Stateful pointers for calling into curl_formadd() |
99 | struct curl_httppost* formpost_; |
100 | struct curl_httppost* lastptr_; |
101 | struct curl_slist* ; |
102 | |
103 | // Function pointers into CURL library |
104 | CURLcode (*easy_setopt_)(CURL*, CURLoption, ...); |
105 | CURLFORMcode (*formadd_)(struct curl_httppost**, |
106 | struct curl_httppost**, ...); |
107 | struct curl_slist* (*slist_append_)(struct curl_slist*, const char*); |
108 | void (*slist_free_all_)(struct curl_slist*); |
109 | CURLcode (*easy_perform_)(CURL*); |
110 | const char* (*easy_strerror_)(CURLcode); |
111 | void (*easy_cleanup_)(CURL*); |
112 | CURLcode (*easy_getinfo_)(CURL*, CURLINFO info, ...); |
113 | void (*easy_reset_)(CURL*); |
114 | void (*formfree_)(struct curl_httppost*); |
115 | |
116 | }; |
117 | } |
118 | |
119 | #endif // COMMON_LINUX_LIBCURL_WRAPPER_H_ |
120 | |