Update server.py

server.py

@@ -7,7 +7,7 @@
 # Namyheon Go (Catswords Research) <gnh1201@gmail.com>
 # https://github.com/gnh1201/caterpillar
 # Created at: 2022-10-06
-# Updated at: 2024-03-13
+# Updated at: 2024-05-20
 #
 
 import argparse
@@ -33,6 +33,8 @@ from requests.auth import HTTPBasicAuth
 from urllib.parse import urlparse
 from decouple import config
 
+from base import Extension, jsonrpc2_create_id, jsonrpc2_encode, jsonrpc2_result_encode
+
 def extract_credentials(url):
     pattern = re.compile(r'(?P<scheme>\w+://)?(?P<username>[^:/]+):(?P<password>[^@]+)@(?P<url>.+)')
     match = pattern.match(url)
@@ -44,7 +46,7 @@ def extract_credentials(url):
         return username, password, scheme + url
     else:
         return None, None, url
-
+    
 # initalization
 try:
     listening_port = config('PORT', default=5555, cast=int)
@@ -75,32 +77,15 @@ buffer_size = args.buffer_size
 accepted_relay = {}
 resolved_address_list = []
 
+# set environment of Extension
+Extension.set_buffer_size(buffer_size)
+Extension.set_protocol('tcp')
+
 # set basic authentication
 auth = None
 if _username:
     auth = HTTPBasicAuth(_username, _password)
 
-def jsonrpc2_create_id(data):
-    return hashlib.sha1(json.dumps(data).encode(client_encoding)).hexdigest()
-
-def jsonrpc2_encode(method, params = None):
-    data = {
-        "jsonrpc": "2.0",
-        "method": method,
-        "params": params
-    }
-    id = jsonrpc2_create_id(data)
-    data['id'] = id
-    return (id, json.dumps(data))
-
-def jsonrpc2_result_encode(result, id = ''):
-    data = {
-        "jsonrpc": "2.0",
-        "result": result,
-        "id": id
-    }
-    return json.dumps(data)
-
 def parse_first_data(data):
     parsed_data = (b'', b'', b'', b'', b'')
 
@@ -524,83 +509,6 @@ def start():    #Main Program
             print("\n[*] Graceful Shutdown")
             sys.exit(1)
 
-class Extension():
-    extensions = []
-
-    @classmethod
-    def register(cls, f):
-        cls.extensions.append(f)
-
-    @classmethod
-    def get_filters(cls):
-        filters = []
-        for extension in cls.extensions:
-            if extension.type == "filter":
-                filters.append(extension)
-        return filters
-
-    @classmethod
-    def get_rpcmethod(cls, method):
-        for extension in cls.extensions:
-            is_exported_method = (method == extension.method) or (method in extension.exported_methods)
-            if extension.type == "rpcmethod" and is_exported_method:
-                return extension
-        return None
-
-    @classmethod
-    def dispatch_rpcmethod(cls, method, type, id, params, conn):
-        rpcmethod = cls.get_rpcmethod(method)
-        if rpcmethod:
-            if rpcmethod.method == method:
-                rpcmethod.dispatch(type, id, params, conn)
-            else:
-                f = getattr(rpcmethod, method, None)
-                if f:
-                    f(type, id, params, conn)
-
-    @classmethod
-    def get_connector(cls, connection_type):
-        for extension in cls.extensions:
-            if extension.type == "connector" and extension.connection_type == connection_type:
-                return extension
-        return None
-
-    @classmethod
-    def send_accept(cls, conn, method, success = True):
-        _, message = jsonrpc2_encode(f"{method}_accept", {
-            "success": success
-        })
-        conn.send(message.encode(client_encoding))
-
-    @classmethod
-    def readall(cls, conn):
-        data = b''
-        while True:
-            try:
-                chunk = conn.recv(buffer_size)
-                if not chunk:
-                    break
-                data += chunk
-            except:
-                pass
-
-        return data
-    
-    def __init__(self):
-        self.type = None
-        self.method = None
-        self.exported_methods = []
-        self.connection_type = None
-
-    def test(self, filtered, data, webserver, port, scheme, method, url):
-        raise NotImplementedError
-
-    def dispatch(self, type, id, params, method = None, conn = None):
-        raise NotImplementedError
-
-    def connect(self, conn, data, webserver, port, scheme, method, url):
-        raise NotImplementedError
-
 if __name__== "__main__":
     # load extensions
     #Extension.register(importlib.import_module("plugins.fediverse").Fediverse())