/thirdparty/breakpad/common/linux/http_upload.cc
http://github.com/tomahawk-player/tomahawk · C++ · 206 lines · 144 code · 24 blank · 38 comment · 39 complexity · 945f44508bcbab72a0d4f83d26b14ce3 MD5 · raw file
- // Copyright (c) 2006, Google Inc.
- // All rights reserved.
- //
- // Redistribution and use in source and binary forms, with or without
- // modification, are permitted provided that the following conditions are
- // met:
- //
- // * Redistributions of source code must retain the above copyright
- // notice, this list of conditions and the following disclaimer.
- // * Redistributions in binary form must reproduce the above
- // copyright notice, this list of conditions and the following disclaimer
- // in the documentation and/or other materials provided with the
- // distribution.
- // * Neither the name of Google Inc. nor the names of its
- // contributors may be used to endorse or promote products derived from
- // this software without specific prior written permission.
- //
- // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- #include "common/linux/http_upload.h"
- #include <assert.h>
- #include <dlfcn.h>
- #include "third_party/curl/curl.h"
- namespace {
- // Callback to get the response data from server.
- static size_t WriteCallback(void *ptr, size_t size,
- size_t nmemb, void *userp) {
- if (!userp)
- return 0;
- std::string *response = reinterpret_cast<std::string *>(userp);
- size_t real_size = size * nmemb;
- response->append(reinterpret_cast<char *>(ptr), real_size);
- return real_size;
- }
- } // namespace
- namespace google_breakpad {
- static const char kUserAgent[] = "Breakpad/1.0 (Linux)";
- // static
- bool HTTPUpload::SendRequest(const string &url,
- const map<string, string> ¶meters,
- const string &upload_file,
- const string &file_part_name,
- const string &proxy,
- const string &proxy_user_pwd,
- const string &ca_certificate_file,
- string *response_body,
- long *response_code,
- string *error_description) {
- if (response_code != NULL)
- *response_code = 0;
- if (!CheckParameters(parameters))
- return false;
- void *curl_lib = dlopen("libcurl.so", RTLD_NOW);
- if (!curl_lib) {
- if (error_description != NULL)
- *error_description = dlerror();
- curl_lib = dlopen("libcurl.so.4", RTLD_NOW);
- }
- if (!curl_lib) {
- // Debian gives libcurl a different name when it is built against GnuTLS
- // instead of OpenSSL.
- curl_lib = dlopen("libcurl-gnutls.so.4", RTLD_NOW);
- }
- if (!curl_lib) {
- curl_lib = dlopen("libcurl.so.3", RTLD_NOW);
- }
- if (!curl_lib) {
- return false;
- }
- CURL* (*curl_easy_init)(void);
- *(void**) (&curl_easy_init) = dlsym(curl_lib, "curl_easy_init");
- CURL *curl = (*curl_easy_init)();
- if (error_description != NULL)
- *error_description = "No Error";
- if (!curl) {
- dlclose(curl_lib);
- return false;
- }
- CURLcode err_code = CURLE_OK;
- CURLcode (*curl_easy_setopt)(CURL *, CURLoption, ...);
- *(void**) (&curl_easy_setopt) = dlsym(curl_lib, "curl_easy_setopt");
- (*curl_easy_setopt)(curl, CURLOPT_URL, url.c_str());
- (*curl_easy_setopt)(curl, CURLOPT_USERAGENT, kUserAgent);
- // Set proxy information if necessary.
- if (!proxy.empty())
- (*curl_easy_setopt)(curl, CURLOPT_PROXY, proxy.c_str());
- if (!proxy_user_pwd.empty())
- (*curl_easy_setopt)(curl, CURLOPT_PROXYUSERPWD, proxy_user_pwd.c_str());
- if (!ca_certificate_file.empty())
- (*curl_easy_setopt)(curl, CURLOPT_CAINFO, ca_certificate_file.c_str());
- struct curl_httppost *formpost = NULL;
- struct curl_httppost *lastptr = NULL;
- // Add form data.
- CURLFORMcode (*curl_formadd)(struct curl_httppost **, struct curl_httppost **, ...);
- *(void**) (&curl_formadd) = dlsym(curl_lib, "curl_formadd");
- map<string, string>::const_iterator iter = parameters.begin();
- for (; iter != parameters.end(); ++iter)
- (*curl_formadd)(&formpost, &lastptr,
- CURLFORM_COPYNAME, iter->first.c_str(),
- CURLFORM_COPYCONTENTS, iter->second.c_str(),
- CURLFORM_END);
- // Add form file.
- (*curl_formadd)(&formpost, &lastptr,
- CURLFORM_COPYNAME, file_part_name.c_str(),
- CURLFORM_FILE, upload_file.c_str(),
- CURLFORM_END);
- (*curl_easy_setopt)(curl, CURLOPT_HTTPPOST, formpost);
- // Disable 100-continue header.
- struct curl_slist *headerlist = NULL;
- char buf[] = "Expect:";
- struct curl_slist* (*curl_slist_append)(struct curl_slist *, const char *);
- *(void**) (&curl_slist_append) = dlsym(curl_lib, "curl_slist_append");
- headerlist = (*curl_slist_append)(headerlist, buf);
- (*curl_easy_setopt)(curl, CURLOPT_HTTPHEADER, headerlist);
- if (response_body != NULL) {
- (*curl_easy_setopt)(curl, CURLOPT_WRITEFUNCTION, WriteCallback);
- (*curl_easy_setopt)(curl, CURLOPT_WRITEDATA,
- reinterpret_cast<void *>(response_body));
- }
- // Fail if 400+ is returned from the web server.
- (*curl_easy_setopt)(curl, CURLOPT_FAILONERROR, 1);
- CURLcode (*curl_easy_perform)(CURL *);
- *(void**) (&curl_easy_perform) = dlsym(curl_lib, "curl_easy_perform");
- err_code = (*curl_easy_perform)(curl);
- if (response_code != NULL) {
- CURLcode (*curl_easy_getinfo)(CURL *, CURLINFO, ...);
- *(void**) (&curl_easy_getinfo) = dlsym(curl_lib, "curl_easy_getinfo");
- (*curl_easy_getinfo)(curl, CURLINFO_RESPONSE_CODE, response_code);
- }
- const char* (*curl_easy_strerror)(CURLcode);
- *(void**) (&curl_easy_strerror) = dlsym(curl_lib, "curl_easy_strerror");
- #ifndef NDEBUG
- if (err_code != CURLE_OK)
- fprintf(stderr, "Failed to send http request to %s, error: %s\n",
- url.c_str(),
- (*curl_easy_strerror)(err_code));
- #endif
- if (error_description != NULL)
- *error_description = (*curl_easy_strerror)(err_code);
- void (*curl_easy_cleanup)(CURL *);
- *(void**) (&curl_easy_cleanup) = dlsym(curl_lib, "curl_easy_cleanup");
- (*curl_easy_cleanup)(curl);
- if (formpost != NULL) {
- void (*curl_formfree)(struct curl_httppost *);
- *(void**) (&curl_formfree) = dlsym(curl_lib, "curl_formfree");
- (*curl_formfree)(formpost);
- }
- if (headerlist != NULL) {
- void (*curl_slist_free_all)(struct curl_slist *);
- *(void**) (&curl_slist_free_all) = dlsym(curl_lib, "curl_slist_free_all");
- (*curl_slist_free_all)(headerlist);
- }
- dlclose(curl_lib);
- return err_code == CURLE_OK;
- }
- // static
- bool HTTPUpload::CheckParameters(const map<string, string> ¶meters) {
- for (map<string, string>::const_iterator pos = parameters.begin();
- pos != parameters.end(); ++pos) {
- const string &str = pos->first;
- if (str.size() == 0)
- return false; // disallow empty parameter names
- for (unsigned int i = 0; i < str.size(); ++i) {
- int c = str[i];
- if (c < 32 || c == '"' || c > 127) {
- return false;
- }
- }
- }
- return true;
- }
- } // namespace google_breakpad