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https://github.com/Icinga/icinga2.git
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1505f09ed6
This adds generalized IncomingHttpMessage and OutgoingHttpMessage templates that support different types of streams (via a std::variant) and can both be used for either requests or responses. The tacked on metadata from the old HttpRequest and server connection from the old HttpServerConnection have been moved to HttpApi(Request|Response) classes that derive from the above generalized message types.
131 lines
3.2 KiB
C++
131 lines
3.2 KiB
C++
/* Icinga 2 | (c) 2012 Icinga GmbH | GPLv2+ */
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#ifndef TLSSTREAM_H
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#define TLSSTREAM_H
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#include "base/i2-base.hpp"
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#include "base/shared.hpp"
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#include "base/socket.hpp"
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#include "base/stream.hpp"
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#include "base/tlsutility.hpp"
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#include "base/fifo.hpp"
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#include "base/utility.hpp"
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#include <atomic>
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#include <memory>
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#include <utility>
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#include <variant>
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#include <boost/asio/buffered_stream.hpp>
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#include <boost/asio/io_context.hpp>
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#include <boost/asio/ip/tcp.hpp>
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#include <boost/asio/spawn.hpp>
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#include <boost/asio/ssl/context.hpp>
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#include <boost/asio/ssl/stream.hpp>
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namespace icinga
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{
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template<class ARS>
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class SeenStream : public ARS
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{
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public:
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template<class... Args>
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SeenStream(Args&&... args) : ARS(std::forward<Args>(args)...)
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{
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m_Seen.store(nullptr);
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}
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template<class... Args>
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auto async_read_some(Args&&... args) -> decltype(((ARS*)nullptr)->async_read_some(std::forward<Args>(args)...))
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{
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{
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auto seen (m_Seen.load());
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if (seen) {
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*seen = Utility::GetTime();
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}
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}
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return ((ARS*)this)->async_read_some(std::forward<Args>(args)...);
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}
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inline void SetSeen(double* seen)
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{
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m_Seen.store(seen);
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}
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private:
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std::atomic<double*> m_Seen;
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};
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struct UnbufferedAsioTlsStreamParams
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{
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boost::asio::io_context& IoContext;
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boost::asio::ssl::context& SslContext;
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const String& Hostname;
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};
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typedef SeenStream<boost::asio::ssl::stream<boost::asio::ip::tcp::socket>> AsioTcpTlsStream;
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class UnbufferedAsioTlsStream : public AsioTcpTlsStream
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{
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public:
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inline
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UnbufferedAsioTlsStream(UnbufferedAsioTlsStreamParams& init)
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: AsioTcpTlsStream(init.IoContext, init.SslContext), m_Hostname(init.Hostname)
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{
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}
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bool IsVerifyOK();
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String GetVerifyError();
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std::shared_ptr<X509> GetPeerCertificate();
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template<class... Args>
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inline
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auto async_handshake(handshake_type type, Args&&... args) -> decltype(((AsioTcpTlsStream*)nullptr)->async_handshake(type, std::forward<Args>(args)...))
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{
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BeforeHandshake(type);
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return AsioTcpTlsStream::async_handshake(type, std::forward<Args>(args)...);
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}
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template<class... Args>
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inline
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auto handshake(handshake_type type, Args&&... args) -> decltype(((AsioTcpTlsStream*)nullptr)->handshake(type, std::forward<Args>(args)...))
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{
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BeforeHandshake(type);
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return AsioTcpTlsStream::handshake(type, std::forward<Args>(args)...);
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}
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private:
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String m_Hostname;
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void BeforeHandshake(handshake_type type);
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};
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class AsioTlsStream : public boost::asio::buffered_stream<UnbufferedAsioTlsStream>
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{
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public:
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inline
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AsioTlsStream(boost::asio::io_context& ioContext, boost::asio::ssl::context& sslContext, const String& hostname = String())
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: AsioTlsStream(UnbufferedAsioTlsStreamParams{ioContext, sslContext, hostname})
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{
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}
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void ForceDisconnect();
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void GracefulDisconnect(boost::asio::io_context::strand& strand, boost::asio::yield_context& yc);
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private:
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inline
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AsioTlsStream(UnbufferedAsioTlsStreamParams init)
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: buffered_stream(init)
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{
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}
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};
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using AsioTcpStream = boost::asio::buffered_stream<boost::asio::ip::tcp::socket>;
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using OptionalTlsStream = std::pair<Shared<AsioTlsStream>::Ptr, Shared<AsioTcpStream>::Ptr>;
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using AsioTlsOrTcpStream = std::variant<Shared<AsioTlsStream>::Ptr, Shared<AsioTcpStream>::Ptr>;
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}
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#endif /* TLSSTREAM_H */
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