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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
#include <desktop/minidump.hxx>
#include <map>
#include <fstream>
#include <sstream>
#include <string>
#include <curl/curl.h>
static const char kUserAgent[] = "Breakpad/1.0 (Linux)";
static std::map<std::string, std::string> readStrings(std::istream& file)
{
std::map<std::string, std::string> parameters;
// when file is not readable, the status eof would not be set
// better test of state is okay
while (file)
{
std::string line;
std::getline(file, line);
int sep = line.find('=');
if (sep >= 0)
{
std::string key = line.substr(0, sep);
std::string value = line.substr(sep + 1);
parameters[key] = value;
}
}
return parameters;
}
// Callback to get the response data from server.
static size_t WriteCallback(void const *ptr, size_t size,
size_t nmemb, void *userp)
{
if (!userp)
return 0;
std::string* response = static_cast<std::string *>(userp);
size_t real_size = size * nmemb;
response->append(static_cast<char const *>(ptr), real_size);
return real_size;
}
static void getProperty(const std::string& key, std::string& value,
std::map<std::string, std::string>& parameters)
{
auto itr = parameters.find(key);
if (itr != parameters.end())
{
value = itr->second;
parameters.erase(itr);
}
}
static std::string generate_json(const std::map<std::string, std::string>& parameters)
{
std::ostringstream stream;
stream << "{\n";
bool first = true;
for (auto itr = parameters.begin(), itrEnd = parameters.end(); itr != itrEnd; ++itr)
{
if (!first)
{
stream << ",\n";
}
first = false;
stream << "\"" << itr->first << "\": \"" << itr->second << "\"";
}
stream << "\n}";
return stream.str();
}
static bool uploadContent(std::map<std::string, std::string>& parameters, std::string& response)
{
CURL* curl = curl_easy_init();
if (!curl)
return false;
std::string proxy, proxy_user_pwd, ca_certificate_file, file, url, version;
getProperty("Proxy", proxy, parameters);
getProperty("ProxyUserPW", proxy_user_pwd, parameters);
getProperty("CAFile", ca_certificate_file, parameters);
getProperty("DumpFile", file, parameters);
getProperty("URL", url, parameters);
getProperty("Version", version, parameters);
if (url.empty())
return false;
if (file.empty())
return false;
if (version.empty())
return false;
curl_easy_setopt(curl, CURLOPT_URL, url.c_str());
curl_easy_setopt(curl, CURLOPT_USERAGENT, kUserAgent);
curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, false);
// Set proxy information if necessary.
if (!proxy.empty())
{
curl_easy_setopt(curl, CURLOPT_PROXY, proxy.c_str());
curl_easy_setopt(curl, CURLOPT_PROXYAUTH, CURLAUTH_ANYSAFE);
if (!proxy_user_pwd.empty())
curl_easy_setopt(curl, CURLOPT_PROXYUSERPWD, proxy_user_pwd.c_str());
else
curl_easy_setopt(curl, CURLOPT_PROXYUSERPWD, ":");
}
if (!ca_certificate_file.empty())
curl_easy_setopt(curl, CURLOPT_CAINFO, ca_certificate_file.c_str());
curl_httppost* formpost = nullptr;
curl_httppost* lastptr = nullptr;
std::string additional_data = generate_json(parameters);
curl_formadd(&formpost, &lastptr,
CURLFORM_COPYNAME, "AdditionalData",
CURLFORM_COPYCONTENTS, additional_data.c_str(),
CURLFORM_END);
curl_formadd(&formpost, &lastptr,
CURLFORM_COPYNAME, "Version",
CURLFORM_COPYCONTENTS, version.c_str(),
CURLFORM_END);
std::string response_body;
long response_code;
curl_formadd(&formpost, &lastptr,
CURLFORM_COPYNAME, "upload_file_minidump",
CURLFORM_FILE, file.c_str(),
CURLFORM_END);
curl_easy_setopt(curl, CURLOPT_HTTPPOST, formpost);
// Disable 100-continue header.
char buf[] = "Expect:";
curl_slist* headerlist = nullptr;
headerlist = curl_slist_append(headerlist, buf);
curl_easy_setopt(curl, CURLOPT_HTTPHEADER, headerlist);
curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, WriteCallback);
curl_easy_setopt(curl, CURLOPT_WRITEDATA,
static_cast<void *>(&response_body));
// Fail if 400+ is returned from the web server.
curl_easy_setopt(curl, CURLOPT_FAILONERROR, 1);
CURLcode cc = curl_easy_perform(curl);
curl_easy_getinfo(curl, CURLINFO_RESPONSE_CODE, &response_code);
#ifndef NDEBUG
if (cc != CURLE_OK)
fprintf(stderr, "Failed to send http request to %s, error: %s\n",
url.c_str(),
curl_easy_strerror(cc));
#endif
if (formpost != nullptr)
{
curl_formfree(formpost);
}
if (headerlist != nullptr)
{
curl_slist_free_all(headerlist);
}
response = response_body;
if( CURLE_OK != cc )
return false;
return true;
}
namespace crashreport {
bool readConfig(const std::string& iniPath, std::string * response)
{
std::ifstream file(iniPath);
std::map<std::string, std::string> parameters = readStrings(file);
// make sure that at least the mandatory parameters are in there
if (parameters.find("DumpFile") == parameters.end())
{
if(response != nullptr)
*response = "ini file needs to contain a key DumpFile!";
return false;
}
if (parameters.find("Version") == parameters.end())
{
if (response != nullptr)
*response = "ini file needs to contain a key Version!";
return false;
}
if (parameters.find("URL") == parameters.end())
{
if (response != nullptr)
*response = "ini file needs to contain a key URL!";
return false;
}
if (response != nullptr)
return uploadContent(parameters, *response);
return true;
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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