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Websocket client SSL support

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This commit is contained in:
Fabio Alessandrelli 2018-03-18 20:05:42 +01:00
parent 490dd9f946
commit 2e078142a0
3 changed files with 39 additions and 1 deletions
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20
modules/websocket/lws_client.cpp
View file

@ -31,6 +31,7 @@
#include "lws_client.h"
#include "core/io/ip.h"
#include "core/io/stream_peer_ssl.h"
Error LWSClient::connect_to_host(String p_host, String p_path, uint16_t p_port, bool p_ssl, PoolVector<String> p_protocols) {
@ -64,6 +65,9 @@ Error LWSClient::connect_to_host(String p_host, String p_path, uint16_t p_port,
info.uid = -1;
//info.ws_ping_pong_interval = 5;
info.user = _lws_ref;
#if defined(LWS_OPENSSL_SUPPORT)
info.options |= LWS_SERVER_OPTION_DO_SSL_GLOBAL_INIT;
#endif
context = lws_create_context(&info);
if (context == NULL) {
@ -87,7 +91,14 @@ Error LWSClient::connect_to_host(String p_host, String p_path, uint16_t p_port,
i.host = hbuf;
i.path = pbuf;
i.port = p_port;
i.ssl_connection = p_ssl;
if (p_ssl) {
i.ssl_connection = LCCSCF_USE_SSL;
if (!verify_ssl)
i.ssl_connection |= LCCSCF_ALLOW_SELFSIGNED;
} else {
i.ssl_connection = 0;
}
lws_client_connect_via_info(&i);
return OK;
@ -104,6 +115,13 @@ int LWSClient::_handle_cb(struct lws *wsi, enum lws_callback_reasons reason, voi
LWSPeer::PeerData *peer_data = (LWSPeer::PeerData *)user;
switch (reason) {
case LWS_CALLBACK_OPENSSL_LOAD_EXTRA_CLIENT_VERIFY_CERTS: {
PoolByteArray arr = StreamPeerSSL::get_project_cert_array();
if (arr.size() > 0)
SSL_CTX_add_client_CA((SSL_CTX *)user, d2i_X509(NULL, &arr.read()[0], arr.size()));
else if (verify_ssl)
WARN_PRINTS("No CA cert specified in project settings, SSL will not work");
} break;
case LWS_CALLBACK_CLIENT_ESTABLISHED:
peer->set_wsi(wsi);

16
modules/websocket/websocket_client.cpp
View file

@ -32,6 +32,8 @@
GDCINULL(WebSocketClient);
WebSocketClient::WebSocketClient() {
verify_ssl = true;
}
WebSocketClient::~WebSocketClient() {
@ -72,6 +74,16 @@ Error WebSocketClient::connect_to_url(String p_url, PoolVector<String> p_protoco
return connect_to_host(host, path, port, ssl, p_protocols);
}
void WebSocketClient::set_verify_ssl_enabled(bool p_verify_ssl) {
verify_ssl = p_verify_ssl;
}
bool WebSocketClient::is_verify_ssl_enabled() const {
return verify_ssl;
}
bool WebSocketClient::is_server() const {
return false;
@ -116,6 +128,10 @@ void WebSocketClient::_on_error() {
void WebSocketClient::_bind_methods() {
ClassDB::bind_method(D_METHOD("connect_to_url", "url", "protocols", "gd_mp_api"), &WebSocketClient::connect_to_url, DEFVAL(PoolVector<String>()), DEFVAL(false));
ClassDB::bind_method(D_METHOD("disconnect_from_host"), &WebSocketClient::disconnect_from_host);
ClassDB::bind_method(D_METHOD("set_verify_ssl_enabled", "enabled"), &WebSocketClient::set_verify_ssl_enabled);
ClassDB::bind_method(D_METHOD("is_verify_ssl_enabled"), &WebSocketClient::is_verify_ssl_enabled);
ADD_PROPERTYNZ(PropertyInfo(Variant::BOOL, "verify_ssl", PROPERTY_HINT_NONE, "", 0), "set_verify_ssl_enabled", "is_verify_ssl_enabled");
ADD_SIGNAL(MethodInfo("data_received"));
ADD_SIGNAL(MethodInfo("connection_established", PropertyInfo(Variant::STRING, "protocol")));

4
modules/websocket/websocket_client.h
View file

@ -41,12 +41,16 @@ class WebSocketClient : public WebSocketMultiplayerPeer {
protected:
Ref<WebSocketPeer> _peer;
bool verify_ssl;
static void _bind_methods();
public:
Error connect_to_url(String p_url, PoolVector<String> p_protocols = PoolVector<String>(), bool gd_mp_api = false);
void set_verify_ssl_enabled(bool p_verify_ssl);
bool is_verify_ssl_enabled() const;
virtual void poll() = 0;
virtual Error connect_to_host(String p_host, String p_path, uint16_t p_port, bool p_ssl, PoolVector<String> p_protocol = PoolVector<String>()) = 0;
virtual void disconnect_from_host() = 0;