domain validation

config.py

@@ -45,7 +45,7 @@ rpcs = {
 }
 
 DB = {
-    'host': 'localhost',
+    'host': '127.0.0.1',
     'port': 3306,
     'user': 'root',
     'pass': 'xegh3kAJyDLaRu'

functions.py

@@ -34,6 +34,8 @@ def checksumCheck(method, address):
     match method.lower():
         case 'btc':
             return decodeBase58(address) if address[0] == '1' or address[0] == '3' else True if address[0:3] == 'bc1' and segwit_addr.decode("bc", address)[0] != None else False
+        case 'btct':
+            return decodeBase58(address) if address[0] == '1' or address[0] == '3' else True if address[0:3] == 'tb1' and segwit_addr.decode("tb", address)[0] != None else False
         case 'ltc':
             return decodeBase58(address) if address[0] == '3' or address[0] == 'M' or address[0] == 'L' else True if address[0:4] == 'ltc1' and segwit_addr.decode("ltc", address)[0] != None else False
         case 'bch':
@@ -45,14 +47,3 @@ def checksumCheck(method, address):
             return decodeMonero(address)
         case _:
             return False
-
-def validDns(d):
-    try:
-        a = socket.gethostbyname(d)
-    except:
-        return False
-    # ip validation
-    if a.split('.')[0] in ['127', '0'] or '.'.join([a.split('.')[0], a.split('.')[1]]) == '192.168' or a in ['1.1.1.1','2.2.2.2', '3.3.3.3']:
-        return False
-    else:
-        return True

main.py

@@ -1,20 +1,21 @@
+import time, socket, uvicorn
+
 from typing import Optional, Union
-from urllib.parse import urlparse
 from fastapi import FastAPI, Request
 from fastapi.responses import JSONResponse
-import time, socket
 from sqlalchemy import create_engine
 from sqlalchemy.orm import sessionmaker
 from sqlalchemy.pool import QueuePool
-import uvicorn
 
 #local
 from rpcs import RPCHost, RPCXMR
 from models import Return
 from meta import Queue
-from functions import checksumCheck, validDns
+from functions import checksumCheck
 import config
 
+from dependencies.validate_url import UrlValidator
+
 class ErrorException(Exception):
     def __init__(self, code: str, status: str, status_message: str):
         self.status = status
@@ -46,24 +47,16 @@ def receive(method: str, address: str, callback: Union[str, None] = None):
     if method.lower() not in ['btc', 'btct', 'ltc', 'doge', 'zec', 'bch', 'xmr']:
         raise ErrorException(code=422,status="error",status_message='Invalid method used')
     if checksumCheck(method.lower(), address) == False:
-        raise ErrorException(code=422,status="error",status_message='Invalid Destination Address')
+        raise ErrorException(code=422,status="error",status_message='Invalid destination address')
 
     if callback:
-        try:
+        if UrlValidator.validate(callback) != True:
-            data = urlparse(callback)
+            raise ErrorException(code=422,status="error",status_message='Invalid callback')
-            #scheme validation
+        callback_req_n = 1
-            if data.scheme == 'http' or data.scheme == 'https':
-                #domain validation
-                if validDns(data.netloc) != True:
-                    raise ErrorException(code=422,status="error",status_message='Invalid callback: domain name does not resolve')
-            else:
-                raise ErrorException(code=422,status="error",status_message='Invalid callback: wrong url scheme, we accept http or https only')
-        except:
-            callback = 'None'
-        callback_req_n = 0
     else:
         callback = 'None'
-        callback_req_n = 1
+        callback_req_n = 0
+
    
     ## RPC connection to Demons
     match method.upper():
@@ -114,13 +107,13 @@ def receive(method: str, address: str, callback: Union[str, None] = None):
 
     if wallet:
         try:
-            q = Queue(txhash = 'None', time = int(time.time()), account = method.upper(), fee = config.fee['REGULAR'][method.upper()], ready = 0, confirmations =0, callbackurl = callback, generated_address = wallet, destination = address, balance_received = '0.00000000', callback_req = callback_req_n, ip = socket.gethostbyname(socket.gethostname()) , hostname = socket.gethostname(), merchantId = 'None', dateTime = time.strftime("%Y-%m-%d %H:%M:%S", time.localtime()))
+            q = Queue(txhash = 'None', time = int(time.time()), account = method.upper(), fee = config.fee['REGULAR'][method.upper()], ready = 0, confirmations =0, callbackurl = callback, generated_address = wallet, destination = address, balance_received = '0.00000000', callback_req = callback_req_n, ip = '', hostname = '', merchantId = 'None', dateTime = time.strftime("%Y-%m-%d %H:%M:%S", time.localtime()))
             session.add(q)
             session.commit()
             session.close()
         except Exception as error:
             ## notify admin about the error
-            raise ErrorException(code=422,status="error",status_message='Invalid response from dbServer')
+            raise ErrorException(code=422,status="error",status_message='Invalid response from dbServer:'+str(error))
     else:
         ## notify admin about the error
         raise ErrorException(code=422,status="error",status_message='Invalid response from rpcServer')
@@ -135,5 +128,5 @@ def receive(method: str, address: str, callback: Union[str, None] = None):
  
 # Run
 if __name__ == '__main__':
-    uvicorn.run('main:app', host='0.0.0.0')
+    uvicorn.run('main:app', host='0.0.0.0', reload=True, debug=True)
     #workers=4 (doesn't work with reload)