Rewrite most of the script (especially the message parser)

main.py

@@ -1,69 +1,139 @@
 import os, socket, _thread, time
 
-def main() -> None:
-    ip   = ""
-    port = 6667
-    name = "username_here"  
-    nick = "nick_here"
-    global chan 
-    chan = "#channel_name_here"
-
+class IRC2BASH:
+    ip:   str = "" # up to the user to set these values
+    port: int = 0
+    name: str = ""  
+    nick: str = ""
+    chan: str = ""
+    
+    send = lambda string: IRC2BASH.sock.send(f"{string}\r\n".encode("utf-8"))
+    server = (ip, port)
     sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
-  
-    sock.connect((ip, port))
-    time.sleep(5) # wait for server to connect
-    
-    sock.send(f"USER {name} * * :{nick}\r\n".encode("utf-8"))
-    time.sleep(1) # wait for server to process
-    
-    sock.send(f"NICK {nick}\r\n".encode("utf-8"))
-    time.sleep(5) # wait for server to process
-    
-    sock.send(f"JOIN {chan}\r\n".encode("utf-8"))
-    time.sleep(1)
 
-    _thread.start_new_thread(receive_messages, (sock,))
-    while True:
-        time.sleep(60)
-        sock.send(f"PING :{ip}\r\n".encode("utf-8"))
-def receive_messages(sock) -> None:
-    while True:
-        data = sock.recv(1024)
-        if not data:
-            break
+    def main() -> None:
+        IRC2BASH.sock.connect(IRC2BASH.server)
+
+        time.sleep(5) # wait for server to connect
+        
+        IRC2BASH.send(f"USER {IRC2BASH.nick} * * :{IRC2BASH.name}")
+        time.sleep(1) # wait for server to process
+        
+        IRC2BASH.send(f"NICK {IRC2BASH.nick}")
+        time.sleep(5) # wait for server to process
+        
+        IRC2BASH.send(f"JOIN {IRC2BASH.chan}")
+        time.sleep(1)
+
+        _thread.start_new_thread(IRC2BASH.receive_messages, (IRC2BASH.sock,))
+
+        while True: # ping the server every minute so the connection stays alive
+            time.sleep(60)
+            IRC2BASH.send(f"PING :{IRC2BASH.ip}")
+
+    def receive_messages(sock) -> None:
+        while True:
+            data = sock.recv(1024)
+            if not data:
+                break
+
+            response = data.decode("utf-8")
+            response = response.strip()
+            response = response[1:]
+            response = response.split(" ")
+
+            #
+            # attempt to find a username in part #1
+            #
 
-        response = data.decode("utf-8")
-        print(response)
-        if "PRIVMSG" in response and chan in response:
             try:
-                command = response.split(" ", 3)[3][1:]
+                username = response[0]
+                username = username.split("!")
+                username = username[0]
+            except Exception:
+                username = ""
+            
+            #
+            # attempt to find the channel name
+            #
+
+            try:
+                if response[1] == "PRIVMSG" and response[2] == IRC2BASH.chan: # correct channel
+                    channel = response[2]
+                else:
+                    channel = ""
+            except Exception:
+                channel = ""
+
+            #
+            # attempt to parse the actual message
+            #
+
+            try:
+                message = response[3:]
+                parsed_message = ""
+                for word in message:
+                    parsed_message = f"{parsed_message} {word}"
+
+                message = parsed_message
+                parsed_message = None
+
+                message = message.strip()
+                message = message[1:]
+            except Exception:
+                message = ""
+
+            #
+            # see if the message is a command
+            #
+
+            try:
+                if message.startswith("$ "):
+                    command = message[2:]
+                else:
+                    command = ""
             except Exception:
                 command = ""
 
-            if command.startswith("$"):
-                try:
-                    command = command.split(" ", 1)[1]
-                except Exception:
-                    command = ""
-		
-                command = f"/bin/bash -c \"{command.strip()}\" >/tmp/.command 2>&1"
-                os.system(command)
+            #
+            # we now (probably) have the command :D, time to run it
+            #
+
+            if username != "" and channel != "" and message != "" and command != "":
+                
+                #
+                # escape quotation marks and backslashes
+                #
+
+                command_list = []
+                for letter in command:
+                    match letter:
+                        case "\\":
+                            command_list.append("\\\\")
+
+                        case "\"":
+                            command_list.append("\\\"")
+
+                        case _:
+                            command_list.append(letter)
+
+                command = ""
+                for letter in command_list:
+                    command = f"{command}{letter}"
+
+                command_list = None
+
+                print(f"{channel}: <{username}> {command}")
+                os.system(f"/bin/bash -c \"{command}\" >/tmp/.command 2>&1")
+
                 with open("/tmp/.command", "r") as f:
                     output = f.read()
-                    
+                
+                output = output.strip().split("\n")
                 print(output)
-                for line in output.split("\n"):
-                    sock.send(f"PRIVMSG {chan} :{line}\r\n".encode("utf-8"))
-                    time.sleep(0.5)
-
-        else:
-            print("message not ok")
-				
-def send_ping(sock, server) -> None:
-    while True:
-        time.sleep(60)
-        sock.send(f"PING :{server}\r\n".encode("utf-8"))
-
+                for line in output:
+                    IRC2BASH.send(f"PRIVMSG {IRC2BASH.chan} :{line}")
+                    time.sleep(0.75)
 
 if __name__ == "__main__":
-    main()
+    IRC2BASH.main()