TLS: server listens on TLS via IPv4

server.crt

@@ -0,0 +1,26 @@
+-----BEGIN CERTIFICATE-----
+MIIEcjCCA1qgAwIBAgIJAJe1HOCC73ylMA0GCSqGSIb3DQEBCwUAMHExCzAJBgNV
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+-----END CERTIFICATE-----

server.key

@@ -0,0 +1,27 @@
+-----BEGIN RSA PRIVATE KEY-----
+MIIEpgIBAAKCAQEAztIvcvQyF/7mkydJFQZCfE3z2j7toq1Dst/+sgasUWMs045x
+N5a6h3/H8yMPDmw/sc/FAVvT+kB2btVLkv8YmlYFCIe8HdWd3JncJrNBGzY066z0
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+KSsqIL/+WFL8pNO0wX0dycVEwSZnZ45wBskTGFZjv9c4Q0rdQBru9QWd
+-----END RSA PRIVATE KEY-----

syncplayServer.py

@@ -13,11 +13,25 @@ except AttributeError:
     import warnings
     warnings.warn("You must run Syncplay with Python 3.4 or newer!")
 
-from twisted.internet import reactor
+from OpenSSL import crypto
-from twisted.internet.endpoints import TCP4ServerEndpoint, TCP6ServerEndpoint
+from twisted.internet import reactor, ssl
+from twisted.internet.endpoints import TCP4ServerEndpoint, SSL4ServerEndpoint, TCP6ServerEndpoint
 
 from syncplay.server import SyncFactory, ConfigurationGetter
 
+with open('server.crt', 'r') as f:
+    cert_data = f.read()
+with open('server.key', 'r') as f:
+    key_data = f.read()
+
+cert = crypto.load_certificate(crypto.FILETYPE_PEM, cert_data)
+key = crypto.load_privatekey(crypto.FILETYPE_PEM, key_data)
+options = ssl.CertificateOptions(
+    privateKey=key,
+    certificate=cert,
+    acceptableProtocols=[b'h2'],
+)
+
 if __name__ == '__main__':
     argsGetter = ConfigurationGetter()
     args = argsGetter.getConfiguration()
@@ -33,8 +47,9 @@ if __name__ == '__main__':
         args.max_username_length,
         args.stats_db_file
     )
-    endpoint4 = TCP4ServerEndpoint(reactor, int(args.port))
+    #endpoint4 = TCP4ServerEndpoint(reactor, int(args.port))
+    endpoint4 = SSL4ServerEndpoint(reactor, int(args.port), options)
     endpoint4.listen(factory)
-    endpoint6 = TCP6ServerEndpoint(reactor, int(args.port))
+    #endpoint6 = TCP6ServerEndpoint(reactor, int(args.port))
-    endpoint6.listen(factory)
+    #endpoint6.listen(factory)
     reactor.run()