mirror of
https://github.com/ClickHouse/ClickHouse.git
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107 lines
3.1 KiB
C++
107 lines
3.1 KiB
C++
#include <IO/HTTPCommon.h>
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#include <Common/DNSResolver.h>
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#include <Common/Exception.h>
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#include <Common/config.h>
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#include <Poco/Version.h>
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#if USE_POCO_NETSSL
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#include <Poco/Net/AcceptCertificateHandler.h>
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#include <Poco/Net/Context.h>
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#include <Poco/Net/HTTPSClientSession.h>
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#include <Poco/Net/InvalidCertificateHandler.h>
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#include <Poco/Net/PrivateKeyPassphraseHandler.h>
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#include <Poco/Net/RejectCertificateHandler.h>
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#include <Poco/Net/SSLManager.h>
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#endif
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#include <Poco/Net/HTTPServerResponse.h>
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#include <Poco/Util/Application.h>
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#include <sstream>
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namespace DB
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{
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namespace ErrorCodes
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{
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extern const int RECEIVED_ERROR_FROM_REMOTE_IO_SERVER;
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extern const int RECEIVED_ERROR_TOO_MANY_REQUESTS;
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extern const int FEATURE_IS_NOT_ENABLED_AT_BUILD_TIME;
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}
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void setResponseDefaultHeaders(Poco::Net::HTTPServerResponse & response, unsigned keep_alive_timeout)
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{
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if (!response.getKeepAlive())
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return;
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Poco::Timespan timeout(keep_alive_timeout, 0);
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if (timeout.totalSeconds())
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response.set("Keep-Alive", "timeout=" + std::to_string(timeout.totalSeconds()));
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}
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void initSSL()
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{
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// http://stackoverflow.com/questions/18315472/https-request-in-c-using-poco
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#if USE_POCO_NETSSL
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struct Initializer
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{
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Initializer()
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{
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Poco::Net::initializeSSL();
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}
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};
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static Initializer initializer;
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#endif
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}
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std::unique_ptr<Poco::Net::HTTPClientSession> makeHTTPSession(const Poco::URI & uri, const ConnectionTimeouts & timeouts)
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{
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bool is_ssl = static_cast<bool>(uri.getScheme() == "https");
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std::unique_ptr<Poco::Net::HTTPClientSession> session;
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if (is_ssl)
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#if USE_POCO_NETSSL
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session = std::make_unique<Poco::Net::HTTPSClientSession>();
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#else
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throw Exception("ClickHouse was built without HTTPS support", ErrorCodes::FEATURE_IS_NOT_ENABLED_AT_BUILD_TIME);
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#endif
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else
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session = std::make_unique<Poco::Net::HTTPClientSession>();
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session->setHost(DNSResolver::instance().resolveHost(uri.getHost()).toString());
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session->setPort(uri.getPort());
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#if POCO_CLICKHOUSE_PATCH || POCO_VERSION >= 0x02000000
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session->setTimeout(timeouts.connection_timeout, timeouts.send_timeout, timeouts.receive_timeout);
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#else
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session->setTimeout(std::max({timeouts.connection_timeout, timeouts.send_timeout, timeouts.receive_timeout}));
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#endif
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return session;
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}
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std::istream * receiveResponse(
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Poco::Net::HTTPClientSession & session, const Poco::Net::HTTPRequest & request, Poco::Net::HTTPResponse & response)
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{
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auto istr = &session.receiveResponse(response);
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auto status = response.getStatus();
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if (status != Poco::Net::HTTPResponse::HTTP_OK)
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{
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std::stringstream error_message;
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error_message << "Received error from remote server " << request.getURI() << ". HTTP status code: " << status << " "
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<< response.getReason() << ", body: " << istr->rdbuf();
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throw Exception(error_message.str(),
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status == HTTP_TOO_MANY_REQUESTS ? ErrorCodes::RECEIVED_ERROR_TOO_MANY_REQUESTS
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: ErrorCodes::RECEIVED_ERROR_FROM_REMOTE_IO_SERVER);
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}
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return istr;
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}
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}
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