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#include "platform/http_client.hpp"
#include "coding/base64.hpp"
#include "base/string_utils.hpp"
#include <sstream>
using namespace std;
namespace platform
{
HttpClient::HttpClient(string const & url) : m_urlRequested(url)
{
// Http client for linux supports only "deflate" encoding, but osrm server cannot
// correctly process "Accept-Encoding: deflate" header, so do not encode data on linux.
#if !defined(OMIM_OS_LINUX)
m_headers.emplace("Accept-Encoding", "gzip, deflate");
#endif
}
bool HttpClient::RunHttpRequest(string & response, SuccessChecker checker /* = nullptr */)
{
static auto const simpleChecker = [](HttpClient const & request)
{
return request.ErrorCode() == 200;
};
if (checker == nullptr)
checker = simpleChecker;
if (RunHttpRequest() && checker(*this))
{
response = ServerResponse();
return true;
}
return false;
}
HttpClient & HttpClient::SetUrlRequested(string const & url)
{
m_urlRequested = url;
return *this;
}
HttpClient & HttpClient::SetHttpMethod(string const & method)
{
m_httpMethod = method;
return *this;
}
HttpClient & HttpClient::SetBodyFile(string const & body_file, string const & content_type,
string const & http_method /* = "POST" */,
string const & content_encoding /* = "" */)
{
m_inputFile = body_file;
m_bodyData.clear();
m_headers.emplace("Content-Type", content_type);
m_httpMethod = http_method;
m_headers.emplace("Content-Encoding", content_encoding);
return *this;
}
HttpClient & HttpClient::SetReceivedFile(string const & received_file)
{
m_outputFile = received_file;
return *this;
}
HttpClient & HttpClient::SetUserAndPassword(string const & user, string const & password)
{
m_headers.emplace("Authorization", "Basic " + base64::Encode(user + ":" + password));
return *this;
}
HttpClient & HttpClient::SetCookies(string const & cookies)
{
m_cookies = cookies;
return *this;
}
HttpClient & HttpClient::SetHandleRedirects(bool handle_redirects)
{
m_handleRedirects = handle_redirects;
return *this;
}
HttpClient & HttpClient::SetRawHeader(string const & key, string const & value)
{
m_headers.emplace(key, value);
return *this;
}
HttpClient & HttpClient::SetRawHeaders(Headers const & headers)
{
m_headers.insert(headers.begin(), headers.end());
return *this;
}
void HttpClient::SetTimeout(double timeoutSec)
{
m_timeoutSec = timeoutSec;
}
string const & HttpClient::UrlRequested() const
{
return m_urlRequested;
}
string const & HttpClient::UrlReceived() const
{
return m_urlReceived;
}
bool HttpClient::WasRedirected() const
{
return m_urlRequested != m_urlReceived;
}
int HttpClient::ErrorCode() const
{
return m_errorCode;
}
string const & HttpClient::ServerResponse() const
{
return m_serverResponse;
}
string const & HttpClient::HttpMethod() const
{
return m_httpMethod;
}
string HttpClient::CombinedCookies() const
{
string serverCookies;
auto const it = m_headers.find("Set-Cookie");
if (it != m_headers.end())
serverCookies = it->second;
if (serverCookies.empty())
return m_cookies;
if (m_cookies.empty())
return serverCookies;
return serverCookies + "; " + m_cookies;
}
string HttpClient::CookieByName(string name) const
{
string const str = CombinedCookies();
name += "=";
auto const cookie = str.find(name);
auto const eq = cookie + name.size();
if (cookie != string::npos && str.size() > eq)
return str.substr(eq, str.find(';', eq) - eq);
return {};
}
void HttpClient::LoadHeaders(bool loadHeaders)
{
m_loadHeaders = loadHeaders;
}
HttpClient::Headers const & HttpClient::GetHeaders() const
{
return m_headers;
}
// static
string HttpClient::NormalizeServerCookies(string && cookies)
{
istringstream is(cookies);
string str, result;
// Split by ", ". Can have invalid tokens here, expires= can also contain a comma.
while (getline(is, str, ','))
{
size_t const leading = str.find_first_not_of(" ");
if (leading != string::npos)
str.substr(leading).swap(str);
// In the good case, we have '=' and it goes before any ' '.
auto const eq = str.find('=');
if (eq == string::npos)
continue; // It's not a cookie: no valid key value pair.
auto const sp = str.find(' ');
if (sp != string::npos && eq > sp)
continue; // It's not a cookie: comma in expires date.
// Insert delimiter.
if (!result.empty())
result.append("; ");
// Read cookie itself.
result.append(str, 0, str.find(";"));
}
return result;
}
string DebugPrint(HttpClient const & request)
{
ostringstream ostr;
ostr << "HTTP " << request.ErrorCode() << " url [" << request.UrlRequested() << "]";
if (request.WasRedirected())
ostr << " was redirected to [" << request.UrlReceived() << "]";
if (!request.ServerResponse().empty())
ostr << " response: " << request.ServerResponse();
return ostr.str();
}
} // namespace platform
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