Initial preparations for CURL and Discord integration.

module/Vendor/WebSocketPP/websocketpp/transport/asio/base.hpp

@@ -0,0 +1,232 @@
+/*
+ * Copyright (c) 2015, Peter Thorson. 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 the WebSocket++ Project 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 PETER THORSON 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.
+ *
+ */
+
+#ifndef WEBSOCKETPP_TRANSPORT_ASIO_BASE_HPP
+#define WEBSOCKETPP_TRANSPORT_ASIO_BASE_HPP
+
+#include <websocketpp/common/asio.hpp>
+#include <websocketpp/common/cpp11.hpp>
+#include <websocketpp/common/functional.hpp>
+#include <websocketpp/common/system_error.hpp>
+#include <websocketpp/common/type_traits.hpp>
+
+#include <string>
+
+namespace websocketpp {
+namespace transport {
+/// Transport policy that uses asio
+/**
+ * This policy uses a single asio io_service to provide transport
+ * services to a WebSocket++ endpoint.
+ */
+namespace asio {
+
+// Class to manage the memory to be used for handler-based custom allocation.
+// It contains a single block of memory which may be returned for allocation
+// requests. If the memory is in use when an allocation request is made, the
+// allocator delegates allocation to the global heap.
+class handler_allocator {
+public:
+    static const size_t size = 1024;
+    
+    handler_allocator() : m_in_use(false) {}
+
+#ifdef _WEBSOCKETPP_DEFAULT_DELETE_FUNCTIONS_
+	handler_allocator(handler_allocator const & cpy) = delete;
+	handler_allocator & operator =(handler_allocator const &) = delete;
+#endif
+
+    void * allocate(std::size_t memsize) {
+        if (!m_in_use && memsize < size) {
+            m_in_use = true;
+            return static_cast<void*>(&m_storage);
+        } else {
+            return ::operator new(memsize);
+        }
+    }
+
+    void deallocate(void * pointer) {
+        if (pointer == &m_storage) {
+            m_in_use = false;
+        } else {
+            ::operator delete(pointer);
+        }
+    }
+
+private:
+    // Storage space used for handler-based custom memory allocation.
+    lib::aligned_storage<size>::type m_storage;
+
+    // Whether the handler-based custom allocation storage has been used.
+    bool m_in_use;
+};
+
+// Wrapper class template for handler objects to allow handler memory
+// allocation to be customised. Calls to operator() are forwarded to the
+// encapsulated handler.
+template <typename Handler>
+class custom_alloc_handler {
+public:
+    custom_alloc_handler(handler_allocator& a, Handler h)
+      : allocator_(a),
+        handler_(h)
+    {}
+
+    template <typename Arg1>
+    void operator()(Arg1 arg1) {
+        handler_(arg1);
+    }
+
+    template <typename Arg1, typename Arg2>
+    void operator()(Arg1 arg1, Arg2 arg2) {
+        handler_(arg1, arg2);
+    }
+
+    friend void* asio_handler_allocate(std::size_t size,
+        custom_alloc_handler<Handler> * this_handler)
+    {
+        return this_handler->allocator_.allocate(size);
+    }
+
+    friend void asio_handler_deallocate(void* pointer, std::size_t /*size*/,
+        custom_alloc_handler<Handler> * this_handler)
+    {
+        this_handler->allocator_.deallocate(pointer);
+    }
+
+private:
+    handler_allocator & allocator_;
+    Handler handler_;
+};
+
+// Helper function to wrap a handler object to add custom allocation.
+template <typename Handler>
+inline custom_alloc_handler<Handler> make_custom_alloc_handler(
+    handler_allocator & a, Handler h)
+{
+    return custom_alloc_handler<Handler>(a, h);
+}
+
+
+
+
+
+
+
+// Forward declaration of class endpoint so that it can be friended/referenced
+// before being included.
+template <typename config>
+class endpoint;
+
+typedef lib::function<void (lib::asio::error_code const & ec,
+    size_t bytes_transferred)> async_read_handler;
+
+typedef lib::function<void (lib::asio::error_code const & ec,
+    size_t bytes_transferred)> async_write_handler;
+
+typedef lib::function<void (lib::error_code const & ec)> pre_init_handler;
+
+// handle_timer: dynamic parameters, multiple copies
+// handle_proxy_write
+// handle_proxy_read
+// handle_async_write
+// handle_pre_init
+
+
+/// Asio transport errors
+namespace error {
+enum value {
+    /// Catch-all error for transport policy errors that don't fit in other
+    /// categories
+    general = 1,
+
+    /// async_read_at_least call requested more bytes than buffer can store
+    invalid_num_bytes,
+
+    /// there was an error in the underlying transport library
+    pass_through,
+
+    /// The connection to the requested proxy server failed
+    proxy_failed,
+
+    /// Invalid Proxy URI
+    proxy_invalid,
+
+    /// Invalid host or service
+    invalid_host_service
+};
+
+/// Asio transport error category
+class category : public lib::error_category {
+public:
+    char const * name() const _WEBSOCKETPP_NOEXCEPT_TOKEN_ {
+        return "websocketpp.transport.asio";
+    }
+
+    std::string message(int value) const {
+        switch(value) {
+            case error::general:
+                return "Generic asio transport policy error";
+            case error::invalid_num_bytes:
+                return "async_read_at_least call requested more bytes than buffer can store";
+            case error::pass_through:
+                return "Underlying Transport Error";
+            case error::proxy_failed:
+                return "Proxy connection failed";
+            case error::proxy_invalid:
+                return "Invalid proxy URI";
+            case error::invalid_host_service:
+                return "Invalid host or service";
+            default:
+                return "Unknown";
+        }
+    }
+};
+
+/// Get a reference to a static copy of the asio transport error category
+inline lib::error_category const & get_category() {
+    static category instance;
+    return instance;
+}
+
+/// Create an error code with the given value and the asio transport category
+inline lib::error_code make_error_code(error::value e) {
+    return lib::error_code(static_cast<int>(e), get_category());
+}
+
+} // namespace error
+} // namespace asio
+} // namespace transport
+} // namespace websocketpp
+
+_WEBSOCKETPP_ERROR_CODE_ENUM_NS_START_
+template<> struct is_error_code_enum<websocketpp::transport::asio::error::value>
+{
+    static bool const value = true;
+};
+_WEBSOCKETPP_ERROR_CODE_ENUM_NS_END_
+#endif // WEBSOCKETPP_TRANSPORT_ASIO_HPP

module/Vendor/WebSocketPP/websocketpp/transport/asio/security/base.hpp

@@ -0,0 +1,159 @@
+/*
+ * Copyright (c) 2015, Peter Thorson. 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 the WebSocket++ Project 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 PETER THORSON 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.
+ *
+ */
+
+#ifndef WEBSOCKETPP_TRANSPORT_ASIO_SOCKET_BASE_HPP
+#define WEBSOCKETPP_TRANSPORT_ASIO_SOCKET_BASE_HPP
+
+#include <websocketpp/common/asio.hpp>
+#include <websocketpp/common/memory.hpp>
+#include <websocketpp/common/functional.hpp>
+#include <websocketpp/common/system_error.hpp>
+#include <websocketpp/common/cpp11.hpp>
+#include <websocketpp/common/connection_hdl.hpp>
+
+#include <string>
+
+// Interface that sockets/security policies must implement
+
+/*
+ * Endpoint Interface
+ *
+ * bool is_secure() const;
+ * @return Whether or not the endpoint creates secure connections
+ *
+ * lib::error_code init(socket_con_ptr scon);
+ * Called by the transport after a new connection is created to initialize
+ * the socket component of the connection.
+ * @param scon Pointer to the socket component of the connection
+ * @return Error code (empty on success)
+ */
+
+
+// Connection
+// TODO
+// set_hostname(std::string hostname)
+// pre_init(init_handler);
+// post_init(init_handler);
+
+namespace websocketpp {
+namespace transport {
+namespace asio {
+namespace socket {
+
+typedef lib::function<void(lib::asio::error_code const &)> shutdown_handler;
+
+/**
+ * The transport::asio::socket::* classes are a set of security/socket related
+ * policies and support code for the ASIO transport types.
+ */
+
+/// Errors related to asio transport sockets
+namespace error {
+    enum value {
+        /// Catch-all error for security policy errors that don't fit in other
+        /// categories
+        security = 1,
+
+        /// Catch-all error for socket component errors that don't fit in other
+        /// categories
+        socket,
+
+        /// A function was called in a state that it was illegal to do so.
+        invalid_state,
+
+        /// The application was prompted to provide a TLS context and it was
+        /// empty or otherwise invalid
+        invalid_tls_context,
+
+        /// TLS Handshake Timeout
+        tls_handshake_timeout,
+
+        /// pass_through from underlying library
+        pass_through,
+
+        /// Required tls_init handler not present
+        missing_tls_init_handler,
+
+        /// TLS Handshake Failed
+        tls_handshake_failed,
+        
+        /// Failed to set TLS SNI hostname
+        tls_failed_sni_hostname
+    };
+} // namespace error
+
+/// Error category related to asio transport socket policies
+class socket_category : public lib::error_category {
+public:
+    char const * name() const _WEBSOCKETPP_NOEXCEPT_TOKEN_ {
+        return "websocketpp.transport.asio.socket";
+    }
+
+    std::string message(int value) const {
+        switch(value) {
+            case error::security:
+                return "Security policy error";
+            case error::socket:
+                return "Socket component error";
+            case error::invalid_state:
+                return "Invalid state";
+            case error::invalid_tls_context:
+                return "Invalid or empty TLS context supplied";
+            case error::tls_handshake_timeout:
+                return "TLS handshake timed out";
+            case error::pass_through:
+                return "Pass through from socket policy";
+            case error::missing_tls_init_handler:
+                return "Required tls_init handler not present.";
+            case error::tls_handshake_failed:
+                return "TLS handshake failed";
+            case error::tls_failed_sni_hostname:
+                return "Failed to set TLS SNI hostname";
+            default:
+                return "Unknown";
+        }
+    }
+};
+
+inline lib::error_category const & get_socket_category() {
+    static socket_category instance;
+    return instance;
+}
+
+inline lib::error_code make_error_code(error::value e) {
+    return lib::error_code(static_cast<int>(e), get_socket_category());
+}
+
+/// Type of asio transport socket policy initialization handlers
+typedef lib::function<void(const lib::error_code&)> init_handler;
+
+} // namespace socket
+} // namespace asio
+} // namespace transport
+} // namespace websocketpp
+
+#endif // WEBSOCKETPP_TRANSPORT_ASIO_SOCKET_BASE_HPP

module/Vendor/WebSocketPP/websocketpp/transport/asio/security/none.hpp

@@ -0,0 +1,372 @@
+/*
+ * Copyright (c) 2015, Peter Thorson. 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 the WebSocket++ Project 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 PETER THORSON 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.
+ *
+ */
+
+#ifndef WEBSOCKETPP_TRANSPORT_SECURITY_NONE_HPP
+#define WEBSOCKETPP_TRANSPORT_SECURITY_NONE_HPP
+
+#include <websocketpp/uri.hpp>
+
+#include <websocketpp/transport/base/connection.hpp>
+#include <websocketpp/transport/asio/security/base.hpp>
+
+#include <websocketpp/common/asio.hpp>
+#include <websocketpp/common/memory.hpp>
+
+#include <sstream>
+#include <string>
+
+namespace websocketpp {
+namespace transport {
+namespace asio {
+/// A socket policy for the asio transport that implements a plain, unencrypted
+/// socket
+namespace basic_socket {
+
+/// The signature of the socket init handler for this socket policy
+typedef lib::function<void(connection_hdl,lib::asio::ip::tcp::socket&)>
+    socket_init_handler;
+
+/// Basic Asio connection socket component
+/**
+ * transport::asio::basic_socket::connection implements a connection socket
+ * component using Asio ip::tcp::socket.
+ */
+class connection : public lib::enable_shared_from_this<connection> {
+public:
+    /// Type of this connection socket component
+    typedef connection type;
+    /// Type of a shared pointer to this connection socket component
+    typedef lib::shared_ptr<type> ptr;
+
+    /// Type of a pointer to the Asio io_service being used
+    typedef lib::asio::io_service* io_service_ptr;
+    /// Type of a pointer to the Asio io_service strand being used
+    typedef lib::shared_ptr<lib::asio::io_service::strand> strand_ptr;
+    /// Type of the ASIO socket being used
+    typedef lib::asio::ip::tcp::socket socket_type;
+    /// Type of a shared pointer to the socket being used.
+    typedef lib::shared_ptr<socket_type> socket_ptr;
+
+    explicit connection() : m_state(UNINITIALIZED) {
+        //std::cout << "transport::asio::basic_socket::connection constructor"
+        //          << std::endl;
+    }
+
+    /// Get a shared pointer to this component
+    ptr get_shared() {
+        return shared_from_this();
+    }
+
+    /// Check whether or not this connection is secure
+    /**
+     * @return Whether or not this connection is secure
+     */
+    bool is_secure() const {
+        return false;
+    }
+
+    /// Set the socket initialization handler
+    /**
+     * The socket initialization handler is called after the socket object is
+     * created but before it is used. This gives the application a chance to
+     * set any Asio socket options it needs.
+     *
+     * @param h The new socket_init_handler
+     */
+    void set_socket_init_handler(socket_init_handler h) {
+        m_socket_init_handler = h;
+    }
+
+    /// Retrieve a pointer to the underlying socket
+    /**
+     * This is used internally. It can also be used to set socket options, etc
+     */
+    lib::asio::ip::tcp::socket & get_socket() {
+        return *m_socket;
+    }
+
+    /// Retrieve a pointer to the underlying socket
+    /**
+     * This is used internally.
+     */
+    lib::asio::ip::tcp::socket & get_next_layer() {
+        return *m_socket;
+    }
+
+    /// Retrieve a pointer to the underlying socket
+    /**
+     * This is used internally. It can also be used to set socket options, etc
+     */
+    lib::asio::ip::tcp::socket & get_raw_socket() {
+        return *m_socket;
+    }
+
+    /// Get the remote endpoint address
+    /**
+     * The iostream transport has no information about the ultimate remote
+     * endpoint. It will return the string "iostream transport". To indicate
+     * this.
+     *
+     * TODO: allow user settable remote endpoint addresses if this seems useful
+     *
+     * @return A string identifying the address of the remote endpoint
+     */
+    std::string get_remote_endpoint(lib::error_code & ec) const {
+        std::stringstream s;
+
+        lib::asio::error_code aec;
+        lib::asio::ip::tcp::endpoint ep = m_socket->remote_endpoint(aec);
+
+        if (aec) {
+            ec = error::make_error_code(error::pass_through);
+            s << "Error getting remote endpoint: " << aec
+               << " (" << aec.message() << ")";
+            return s.str();
+        } else {
+            ec = lib::error_code();
+            s << ep;
+            return s.str();
+        }
+    }
+protected:
+    /// Perform one time initializations
+    /**
+     * init_asio is called once immediately after construction to initialize
+     * Asio components to the io_service
+     *
+     * @param service A pointer to the endpoint's io_service
+     * @param strand A shared pointer to the connection's asio strand
+     * @param is_server Whether or not the endpoint is a server or not.
+     */
+    lib::error_code init_asio (io_service_ptr service, strand_ptr, bool)
+    {
+        if (m_state != UNINITIALIZED) {
+            return socket::make_error_code(socket::error::invalid_state);
+        }
+
+        m_socket.reset(new lib::asio::ip::tcp::socket(*service));
+
+        if (m_socket_init_handler) {
+            m_socket_init_handler(m_hdl, *m_socket);
+        }
+
+        m_state = READY;
+
+        return lib::error_code();
+    }
+
+    /// Set uri hook
+    /**
+     * Called by the transport as a connection is being established to provide
+     * the uri being connected to to the security/socket layer.
+     *
+     * This socket policy doesn't use the uri so it is ignored.
+     *
+     * @since 0.6.0
+     *
+     * @param u The uri to set
+     */
+    void set_uri(uri_ptr) {}
+
+    /// Pre-initialize security policy
+    /**
+     * Called by the transport after a new connection is created to initialize
+     * the socket component of the connection. This method is not allowed to
+     * write any bytes to the wire. This initialization happens before any
+     * proxies or other intermediate wrappers are negotiated.
+     *
+     * @param callback Handler to call back with completion information
+     */
+    void pre_init(init_handler callback) {
+        if (m_state != READY) {
+            callback(socket::make_error_code(socket::error::invalid_state));
+            return;
+        }
+
+        m_state = READING;
+
+        callback(lib::error_code());
+    }
+
+    /// Post-initialize security policy
+    /**
+     * Called by the transport after all intermediate proxies have been
+     * negotiated. This gives the security policy the chance to talk with the
+     * real remote endpoint for a bit before the websocket handshake.
+     *
+     * @param callback Handler to call back with completion information
+     */
+    void post_init(init_handler callback) {
+        callback(lib::error_code());
+    }
+
+    /// Sets the connection handle
+    /**
+     * The connection handle is passed to any handlers to identify the
+     * connection
+     *
+     * @param hdl The new handle
+     */
+    void set_handle(connection_hdl hdl) {
+        m_hdl = hdl;
+    }
+
+    /// Cancel all async operations on this socket
+    /**
+     * Attempts to cancel all async operations on this socket and reports any
+     * failures.
+     *
+     * NOTE: Windows XP and earlier do not support socket cancellation.
+     *
+     * @return The error that occurred, if any.
+     */
+    lib::asio::error_code cancel_socket() {
+        lib::asio::error_code ec;
+        m_socket->cancel(ec);
+        return ec;
+    }
+
+    void async_shutdown(socket::shutdown_handler h) {
+        lib::asio::error_code ec;
+        m_socket->shutdown(lib::asio::ip::tcp::socket::shutdown_both, ec);
+        h(ec);
+    }
+
+    lib::error_code get_ec() const {
+        return lib::error_code();
+    }
+
+public:
+    /// Translate any security policy specific information about an error code
+    /**
+     * Translate_ec takes an Asio error code and attempts to convert its value 
+     * to an appropriate websocketpp error code. In the case that the Asio and
+     * Websocketpp error types are the same (such as using boost::asio and
+     * boost::system_error or using standalone asio and std::system_error the
+     * code will be passed through natively.
+     *
+     * In the case of a mismatch (boost::asio with std::system_error) a
+     * translated code will be returned. The plain socket policy does not have 
+     * any additional information so all such errors will be reported as the
+     * generic transport pass_through error.
+     *
+     * @since 0.3.0
+     *
+     * @param ec The error code to translate_ec
+     * @return The translated error code
+     */
+    template <typename ErrorCodeType>
+    static
+    lib::error_code translate_ec(ErrorCodeType) {
+        // We don't know any more information about this error so pass through
+        return make_error_code(transport::error::pass_through);
+    }
+
+    static
+    /// Overload of translate_ec to catch cases where lib::error_code is the 
+    /// same type as lib::asio::error_code
+    lib::error_code translate_ec(lib::error_code ec) {
+        // We don't know any more information about this error, but the error is
+        // the same type as the one we are translating to, so pass through
+        // untranslated.
+        return ec;
+    }
+private:
+    enum state {
+        UNINITIALIZED = 0,
+        READY = 1,
+        READING = 2
+    };
+
+    socket_ptr          m_socket;
+    state               m_state;
+
+    connection_hdl      m_hdl;
+    socket_init_handler m_socket_init_handler;
+};
+
+/// Basic ASIO endpoint socket component
+/**
+ * transport::asio::basic_socket::endpoint implements an endpoint socket
+ * component that uses Boost ASIO's ip::tcp::socket.
+ */
+class endpoint {
+public:
+    /// The type of this endpoint socket component
+    typedef endpoint type;
+
+    /// The type of the corresponding connection socket component
+    typedef connection socket_con_type;
+    /// The type of a shared pointer to the corresponding connection socket
+    /// component.
+    typedef socket_con_type::ptr socket_con_ptr;
+
+    explicit endpoint() {}
+
+    /// Checks whether the endpoint creates secure connections
+    /**
+     * @return Whether or not the endpoint creates secure connections
+     */
+    bool is_secure() const {
+        return false;
+    }
+
+    /// Set socket init handler
+    /**
+     * The socket init handler is called after a connection's socket is created
+     * but before it is used. This gives the end application an opportunity to
+     * set asio socket specific parameters.
+     *
+     * @param h The new socket_init_handler
+     */
+    void set_socket_init_handler(socket_init_handler h) {
+        m_socket_init_handler = h;
+    }
+protected:
+    /// Initialize a connection
+    /**
+     * Called by the transport after a new connection is created to initialize
+     * the socket component of the connection.
+     *
+     * @param scon Pointer to the socket component of the connection
+     *
+     * @return Error code (empty on success)
+     */
+    lib::error_code init(socket_con_ptr scon) {
+        scon->set_socket_init_handler(m_socket_init_handler);
+        return lib::error_code();
+    }
+private:
+    socket_init_handler m_socket_init_handler;
+};
+
+} // namespace basic_socket
+} // namespace asio
+} // namespace transport
+} // namespace websocketpp
+
+#endif // WEBSOCKETPP_TRANSPORT_SECURITY_NONE_HPP

module/Vendor/WebSocketPP/websocketpp/transport/asio/security/tls.hpp

@@ -0,0 +1,474 @@
+/*
+ * Copyright (c) 2015, Peter Thorson. 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 the WebSocket++ Project 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 PETER THORSON 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.
+ *
+ */
+
+#ifndef WEBSOCKETPP_TRANSPORT_SECURITY_TLS_HPP
+#define WEBSOCKETPP_TRANSPORT_SECURITY_TLS_HPP
+
+#include <websocketpp/transport/asio/security/base.hpp>
+
+#include <websocketpp/uri.hpp>
+
+#include <websocketpp/common/asio_ssl.hpp>
+#include <websocketpp/common/asio.hpp>
+#include <websocketpp/common/connection_hdl.hpp>
+#include <websocketpp/common/functional.hpp>
+#include <websocketpp/common/memory.hpp>
+
+#include <sstream>
+#include <string>
+
+namespace websocketpp {
+namespace transport {
+namespace asio {
+/// A socket policy for the asio transport that implements a TLS encrypted
+/// socket by wrapping with an asio::ssl::stream
+namespace tls_socket {
+
+/// The signature of the socket_init_handler for this socket policy
+typedef lib::function<void(connection_hdl,lib::asio::ssl::stream<
+    lib::asio::ip::tcp::socket>&)> socket_init_handler;
+/// The signature of the tls_init_handler for this socket policy
+typedef lib::function<lib::shared_ptr<lib::asio::ssl::context>(connection_hdl)>
+    tls_init_handler;
+
+/// TLS enabled Asio connection socket component
+/**
+ * transport::asio::tls_socket::connection implements a secure connection socket
+ * component that uses Asio's ssl::stream to wrap an ip::tcp::socket.
+ */
+class connection : public lib::enable_shared_from_this<connection> {
+public:
+    /// Type of this connection socket component
+    typedef connection type;
+    /// Type of a shared pointer to this connection socket component
+    typedef lib::shared_ptr<type> ptr;
+
+    /// Type of the ASIO socket being used
+    typedef lib::asio::ssl::stream<lib::asio::ip::tcp::socket> socket_type;
+    /// Type of a shared pointer to the ASIO socket being used
+    typedef lib::shared_ptr<socket_type> socket_ptr;
+    /// Type of a pointer to the ASIO io_service being used
+    typedef lib::asio::io_service * io_service_ptr;
+    /// Type of a pointer to the ASIO io_service strand being used
+    typedef lib::shared_ptr<lib::asio::io_service::strand> strand_ptr;
+    /// Type of a shared pointer to the ASIO TLS context being used
+    typedef lib::shared_ptr<lib::asio::ssl::context> context_ptr;
+
+    explicit connection() {
+        //std::cout << "transport::asio::tls_socket::connection constructor"
+        //          << std::endl;
+    }
+
+    /// Get a shared pointer to this component
+    ptr get_shared() {
+        return shared_from_this();
+    }
+
+    /// Check whether or not this connection is secure
+    /**
+     * @return Whether or not this connection is secure
+     */
+    bool is_secure() const {
+        return true;
+    }
+
+    /// Retrieve a pointer to the underlying socket
+    /**
+     * This is used internally. It can also be used to set socket options, etc
+     */
+    socket_type::lowest_layer_type & get_raw_socket() {
+        return m_socket->lowest_layer();
+    }
+
+    /// Retrieve a pointer to the layer below the ssl stream
+    /**
+     * This is used internally.
+     */
+    socket_type::next_layer_type & get_next_layer() {
+        return m_socket->next_layer();
+    }
+
+    /// Retrieve a pointer to the wrapped socket
+    /**
+     * This is used internally.
+     */
+    socket_type & get_socket() {
+        return *m_socket;
+    }
+
+    /// Set the socket initialization handler
+    /**
+     * The socket initialization handler is called after the socket object is
+     * created but before it is used. This gives the application a chance to
+     * set any ASIO socket options it needs.
+     *
+     * @param h The new socket_init_handler
+     */
+    void set_socket_init_handler(socket_init_handler h) {
+        m_socket_init_handler = h;
+    }
+
+    /// Set TLS init handler
+    /**
+     * The tls init handler is called when needed to request a TLS context for
+     * the library to use. A TLS init handler must be set and it must return a
+     * valid TLS context in order for this endpoint to be able to initialize
+     * TLS connections
+     *
+     * @param h The new tls_init_handler
+     */
+    void set_tls_init_handler(tls_init_handler h) {
+        m_tls_init_handler = h;
+    }
+
+    /// Get the remote endpoint address
+    /**
+     * The iostream transport has no information about the ultimate remote
+     * endpoint. It will return the string "iostream transport". To indicate
+     * this.
+     *
+     * TODO: allow user settable remote endpoint addresses if this seems useful
+     *
+     * @return A string identifying the address of the remote endpoint
+     */
+    std::string get_remote_endpoint(lib::error_code & ec) const {
+        std::stringstream s;
+
+        lib::asio::error_code aec;
+        lib::asio::ip::tcp::endpoint ep = m_socket->lowest_layer().remote_endpoint(aec);
+
+        if (aec) {
+            ec = error::make_error_code(error::pass_through);
+            s << "Error getting remote endpoint: " << aec
+               << " (" << aec.message() << ")";
+            return s.str();
+        } else {
+            ec = lib::error_code();
+            s << ep;
+            return s.str();
+        }
+    }
+protected:
+    /// Perform one time initializations
+    /**
+     * init_asio is called once immediately after construction to initialize
+     * Asio components to the io_service
+     *
+     * @param service A pointer to the endpoint's io_service
+     * @param strand A pointer to the connection's strand
+     * @param is_server Whether or not the endpoint is a server or not.
+     */
+    lib::error_code init_asio (io_service_ptr service, strand_ptr strand,
+        bool is_server)
+    {
+        if (!m_tls_init_handler) {
+            return socket::make_error_code(socket::error::missing_tls_init_handler);
+        }
+        m_context = m_tls_init_handler(m_hdl);
+
+        if (!m_context) {
+            return socket::make_error_code(socket::error::invalid_tls_context);
+        }
+        m_socket.reset(new socket_type(*service, *m_context));
+
+        if (m_socket_init_handler) {
+            m_socket_init_handler(m_hdl, get_socket());
+        }
+
+        m_io_service = service;
+        m_strand = strand;
+        m_is_server = is_server;
+
+        return lib::error_code();
+    }
+
+    /// Set hostname hook
+    /**
+     * Called by the transport as a connection is being established to provide
+     * the hostname being connected to to the security/socket layer.
+     *
+     * This socket policy uses the hostname to set the appropriate TLS SNI
+     * header.
+     *
+     * @since 0.6.0
+     *
+     * @param u The uri to set
+     */
+    void set_uri(uri_ptr u) {
+        m_uri = u;
+    }
+
+    /// Pre-initialize security policy
+    /**
+     * Called by the transport after a new connection is created to initialize
+     * the socket component of the connection. This method is not allowed to
+     * write any bytes to the wire. This initialization happens before any
+     * proxies or other intermediate wrappers are negotiated.
+     *
+     * @param callback Handler to call back with completion information
+     */
+    void pre_init(init_handler callback) {
+        // TODO: is this the best way to check whether this function is 
+        //       available in the version of OpenSSL being used?
+        // TODO: consider case where host is an IP address
+#if OPENSSL_VERSION_NUMBER >= 0x90812f
+        if (!m_is_server) {
+            // For clients on systems with a suitable OpenSSL version, set the
+            // TLS SNI hostname header so connecting to TLS servers using SNI
+            // will work.
+            long res = SSL_set_tlsext_host_name(
+                get_socket().native_handle(), m_uri->get_host().c_str());
+            if (!(1 == res)) {
+                callback(socket::make_error_code(socket::error::tls_failed_sni_hostname));
+            }
+        }
+#endif
+
+        callback(lib::error_code());
+    }
+
+    /// Post-initialize security policy
+    /**
+     * Called by the transport after all intermediate proxies have been
+     * negotiated. This gives the security policy the chance to talk with the
+     * real remote endpoint for a bit before the websocket handshake.
+     *
+     * @param callback Handler to call back with completion information
+     */
+    void post_init(init_handler callback) {
+        m_ec = socket::make_error_code(socket::error::tls_handshake_timeout);
+
+        // TLS handshake
+        if (m_strand) {
+            m_socket->async_handshake(
+                get_handshake_type(),
+                m_strand->wrap(lib::bind(
+                    &type::handle_init, get_shared(),
+                    callback,
+                    lib::placeholders::_1
+                ))
+            );
+        } else {
+            m_socket->async_handshake(
+                get_handshake_type(),
+                lib::bind(
+                    &type::handle_init, get_shared(),
+                    callback,
+                    lib::placeholders::_1
+                )
+            );
+        }
+    }
+
+    /// Sets the connection handle
+    /**
+     * The connection handle is passed to any handlers to identify the
+     * connection
+     *
+     * @param hdl The new handle
+     */
+    void set_handle(connection_hdl hdl) {
+        m_hdl = hdl;
+    }
+
+    void handle_init(init_handler callback,lib::asio::error_code const & ec) {
+        if (ec) {
+            m_ec = socket::make_error_code(socket::error::tls_handshake_failed);
+        } else {
+            m_ec = lib::error_code();
+        }
+
+        callback(m_ec);
+    }
+
+    lib::error_code get_ec() const {
+        return m_ec;
+    }
+
+    /// Cancel all async operations on this socket
+    /**
+     * Attempts to cancel all async operations on this socket and reports any
+     * failures.
+     *
+     * NOTE: Windows XP and earlier do not support socket cancellation.
+     *
+     * @return The error that occurred, if any.
+     */
+    lib::asio::error_code cancel_socket() {
+        lib::asio::error_code ec;
+        get_raw_socket().cancel(ec);
+        return ec;
+    }
+
+    void async_shutdown(socket::shutdown_handler callback) {
+        if (m_strand) {
+            m_socket->async_shutdown(m_strand->wrap(callback));
+        } else {
+            m_socket->async_shutdown(callback);
+        }
+    }
+
+public:
+    /// Translate any security policy specific information about an error code
+    /**
+     * Translate_ec takes an Asio error code and attempts to convert its value
+     * to an appropriate websocketpp error code. In the case that the Asio and
+     * Websocketpp error types are the same (such as using boost::asio and
+     * boost::system_error or using standalone asio and std::system_error the
+     * code will be passed through natively.
+     *
+     * In the case of a mismatch (boost::asio with std::system_error) a
+     * translated code will be returned. Any error that is determined to be
+     * related to TLS but does not have a more specific websocketpp error code
+     * is returned under the catch all error `tls_error`. Non-TLS related errors
+     * are returned as the transport generic error `pass_through`
+     *
+     * @since 0.3.0
+     *
+     * @param ec The error code to translate_ec
+     * @return The translated error code
+     */
+    template <typename ErrorCodeType>
+    static
+    lib::error_code translate_ec(ErrorCodeType ec) {
+        if (ec.category() == lib::asio::error::get_ssl_category()) {
+            // We know it is a TLS related error, but otherwise don't know more.
+            // Pass through as TLS generic.
+            return make_error_code(transport::error::tls_error);
+        } else {
+            // We don't know any more information about this error so pass
+            // through
+            return make_error_code(transport::error::pass_through);
+        }
+    }
+
+    static
+    /// Overload of translate_ec to catch cases where lib::error_code is the
+    /// same type as lib::asio::error_code
+    lib::error_code translate_ec(lib::error_code ec) {
+        return ec;
+    }
+private:
+    socket_type::handshake_type get_handshake_type() {
+        if (m_is_server) {
+            return lib::asio::ssl::stream_base::server;
+        } else {
+            return lib::asio::ssl::stream_base::client;
+        }
+    }
+
+    io_service_ptr      m_io_service;
+    strand_ptr          m_strand;
+    context_ptr         m_context;
+    socket_ptr          m_socket;
+    uri_ptr             m_uri;
+    bool                m_is_server;
+
+    lib::error_code     m_ec;
+
+    connection_hdl      m_hdl;
+    socket_init_handler m_socket_init_handler;
+    tls_init_handler    m_tls_init_handler;
+};
+
+/// TLS enabled Asio endpoint socket component
+/**
+ * transport::asio::tls_socket::endpoint implements a secure endpoint socket
+ * component that uses Asio's ssl::stream to wrap an ip::tcp::socket.
+ */
+class endpoint {
+public:
+    /// The type of this endpoint socket component
+    typedef endpoint type;
+
+    /// The type of the corresponding connection socket component
+    typedef connection socket_con_type;
+    /// The type of a shared pointer to the corresponding connection socket
+    /// component.
+    typedef socket_con_type::ptr socket_con_ptr;
+
+    explicit endpoint() {}
+
+    /// Checks whether the endpoint creates secure connections
+    /**
+     * @return Whether or not the endpoint creates secure connections
+     */
+    bool is_secure() const {
+        return true;
+    }
+
+    /// Set socket init handler
+    /**
+     * The socket init handler is called after a connection's socket is created
+     * but before it is used. This gives the end application an opportunity to
+     * set asio socket specific parameters.
+     *
+     * @param h The new socket_init_handler
+     */
+    void set_socket_init_handler(socket_init_handler h) {
+        m_socket_init_handler = h;
+    }
+
+    /// Set TLS init handler
+    /**
+     * The tls init handler is called when needed to request a TLS context for
+     * the library to use. A TLS init handler must be set and it must return a
+     * valid TLS context in order for this endpoint to be able to initialize
+     * TLS connections
+     *
+     * @param h The new tls_init_handler
+     */
+    void set_tls_init_handler(tls_init_handler h) {
+        m_tls_init_handler = h;
+    }
+protected:
+    /// Initialize a connection
+    /**
+     * Called by the transport after a new connection is created to initialize
+     * the socket component of the connection.
+     *
+     * @param scon Pointer to the socket component of the connection
+     *
+     * @return Error code (empty on success)
+     */
+    lib::error_code init(socket_con_ptr scon) {
+        scon->set_socket_init_handler(m_socket_init_handler);
+        scon->set_tls_init_handler(m_tls_init_handler);
+        return lib::error_code();
+    }
+
+private:
+    socket_init_handler m_socket_init_handler;
+    tls_init_handler m_tls_init_handler;
+};
+
+} // namespace tls_socket
+} // namespace asio
+} // namespace transport
+} // namespace websocketpp
+
+#endif // WEBSOCKETPP_TRANSPORT_SECURITY_TLS_HPP