Add ability to login to mega account for premium accounts

Signed-off-by: lzzy12 <jhashivam2020@gmail.com>

README.md

@@ -61,6 +61,8 @@ Fill up rest of the fields. Meaning of each fields are discussed below:
 - **API_HASH** : This is to authenticate to your telegram account for downloading Telegram files. You can get this from https://my.telegram.org
 - **USER_SESSION_STRING** : Session string generated by running:
 - **MEGA_API_KEY**: Mega.nz api key to mirror mega.nz links. Get it from [Mega SDK Page](https://mega.nz/sdk)
+- **MEGA_EMAIL_ID**: You email id you used to sign up on mega.nz for using premium accounts (Leave th)
+- ** 
 ```
 python3 generate_string_session.py
 ```

bot/__init__.py

@@ -83,8 +83,17 @@ except KeyError as e:
 try:
     MEGA_API_KEY = getConfig('MEGA_API_KEY')
 except KeyError:
-    logging.warning('MEGA Api key not provided!')
-    MEGA_API_KEY = None
+    logging.warning('MEGA API KEY not provided!')
+
+try:
+    MEGA_EMAIL_ID = getConfig('MEGA_EMAIL_ID')
+    MEGA_PASSWORD = getConfig('MEGA_PASSWORD')
+    if len(MEGA_EMAIL_ID) == 0 or len(MEGA_PASSWORD) == 0:
+        raise KeyError
+except KeyError:
+    logging.warning('MEGA Credentials not provided!')
+    MEGA_EMAIL_ID = None
+    MEGA_PASSWORD = None
 try:
     INDEX_URL = getConfig('INDEX_URL')
     if len(INDEX_URL) == 0:

bot/helper/mirror_utils/download_utils/mega_downloader.py

@@ -1,10 +1,15 @@
-from bot import LOGGER, MEGA_API_KEY, download_dict_lock, download_dict
+from bot import LOGGER, MEGA_API_KEY, download_dict_lock, download_dict, MEGA_EMAIL_ID, MEGA_PASSWORD
 import threading
 from mega import (MegaApi, MegaListener, MegaRequest, MegaTransfer, MegaError)
 from bot.helper.telegram_helper.message_utils import update_all_messages
 import os
 from bot.helper.mirror_utils.status_utils.mega_download_status import MegaDownloadStatus
 
+
+class MegaDownloaderException(Exception):
+    pass
+
+
 class MegaAppListener(MegaListener):
 
     def __init__(self, continue_event: threading.Event, listener):
@@ -31,7 +36,7 @@ class MegaAppListener(MegaListener):
         """Returns name of the download"""
         return self.__name
 
-    def setValues(self,name,size,gid):
+    def setValues(self, name, size, gid):
         self.__name = name
         self.__size = size
         self.gid = gid
@@ -74,11 +79,11 @@ class MegaAppListener(MegaListener):
 
     def onTransferUpdate(self, api: MegaApi, transfer: MegaTransfer):
         if self.is_cancelled:
-            api.cancelTransfer(transfer,None)
+            api.cancelTransfer(transfer, None)
         self.__speed = transfer.getSpeed()
         self.__bytes_transferred = transfer.getTransferredBytes()
 
-    def onTransferFinish(self, api: MegaApi, transfer : MegaTransfer, error):
+    def onTransferFinish(self, api: MegaApi, transfer: MegaTransfer, error):
         try:
             LOGGER.info(f'Transfer finished ({transfer}); Result: {transfer.getFileName()}')
             if str(error) != "No error" and self.is_cancelled:
@@ -98,7 +103,8 @@ class MegaAppListener(MegaListener):
     def cancel_download(self):
         self.is_cancelled = True
 
-class AsyncExecutor(object):
+
+class AsyncExecutor:
 
     def __init__(self):
         self.continue_event = threading.Event()
@@ -108,16 +114,21 @@ class AsyncExecutor(object):
         function(*args)
         self.continue_event.wait()
 
+
 class MegaDownloadHelper:
     def __init__(self):
         pass
 
     def add_download(self, mega_link: str, path: str, listener):
+        if MEGA_API_KEY is None:
+            raise MegaDownloaderException('Mega API KEY not provided! Cannot mirror mega links')
         executor = AsyncExecutor()
         api = MegaApi(MEGA_API_KEY, None, None, 'telegram-mirror-bot')
         mega_listener = MegaAppListener(executor.continue_event, listener)
         os.makedirs(path)
         api.addListener(mega_listener)
+        if MEGA_EMAIL_ID is not None and MEGA_PASSWORD is not None:
+            executor.do(api.login, (MEGA_EMAIL_ID, MEGA_PASSWORD))
         executor.do(api.getPublicNode, (mega_link,))
         node = mega_listener.node
         if node is None:
@@ -125,8 +136,8 @@ class MegaDownloadHelper:
             node = mega_listener.node
         if mega_listener.error is not None:
             return listener.onDownloadError(str(mega_listener.error))
-        mega_listener.setValues(node.getName(),api.getSize(node),mega_link.split("!",1)[-1].split("!",1)[0])
+        mega_listener.setValues(node.getName(), api.getSize(node), mega_link.split("!", 1)[-1].split("!", 1)[0])
         with download_dict_lock:
-            download_dict[listener.uid] = MegaDownloadStatus(mega_listener,listener)
-        threading.Thread(target=executor.do,args=(api.startDownload,(node,path))).start()
+            download_dict[listener.uid] = MegaDownloadStatus(mega_listener, listener)
+        threading.Thread(target=executor.do, args=(api.startDownload, (node, path))).start()
         update_all_messages()

config_sample.env

@@ -15,3 +15,5 @@ TELEGRAM_API =
 TELEGRAM_HASH = ""
 USE_SERVICE_ACCOUNTS = ""
 MEGA_API_KEY = ""
+MEGA_EMAIL_ID = ""
+MEGA_PASSWORD = ""