353 lines
17 KiB
Python
353 lines
17 KiB
Python
#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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# print("Initiating IPC server...")
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# print("Shutting down IPC server...")
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"""
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TODO Exchange socket fd and send a command to delete
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socket (i.e. clients[fd]) from the respective client.
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"""
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import asyncio
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import os
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import slixfeed.config as config
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from slixfeed.syndication import FeedTask
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from slixfeed.xmpp.chat import XmppChatTask
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from slixfeed.xmpp.commands import XmppCommands
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from slixfeed.xmpp.chat import XmppChatAction
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from slixfeed.xmpp.status import XmppStatusTask
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import socket
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class XmppIpcServer:
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"""
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Inter-Process Communication interface of type Berkeley sockets.
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"""
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async def ipc(self):
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ipc_socket_filename = '/tmp/slixfeed_xmpp.socket'
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# Setup socket
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if os.path.exists(ipc_socket_filename):
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os.remove(ipc_socket_filename)
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loop = asyncio.get_running_loop()
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sock = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
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sock.bind(ipc_socket_filename)
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sock.listen(0)
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# conn = None
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# clients = []
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# clients = {}
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# Start listening loop
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while True:
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# Accept 'request'
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conn, addr = await loop.sock_accept(sock)
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# # Terminate an old connection in favour of a new connection
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# if len(clients):
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# for c in clients:
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# print(c)
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# c.close()
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# del c
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# else:
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# conn, addr = await loop.sock_accept(sock)
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# clients.append(conn)
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# print(clients)
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# Manage connections inside a dict
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# fd = conn.fileno()
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# clients[fd] = conn
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# datastream = await loop.sock_recv(conn, 1024)
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# if datastream.decode('utf-8') == 'identifier':
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# await loop.sock_sendall(conn, fd.encode('utf-8'))
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print('A connection from client has been detected. '
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'Slixfeed is waiting for commands.')
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# print('There are {} clients connected to the IPC '
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# 'interface'.format(len(clients)))
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# Process 'request'
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while True:
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response = None
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# print('Awaiting for a command')
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# print(clients[fd])
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datastream = await loop.sock_recv(conn, 1024)
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if not datastream:
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break
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data = datastream.decode('utf-8')
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if '~' in data:
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data_list = data.split('~')
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jid_bare = data_list[0]
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db_file = config.get_pathname_to_database(jid_bare)
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command = data_list[1]
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else:
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command = data
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match command:
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case _ if command.startswith('add'):
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command = command[4:]
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url = command.split(' ')[0]
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title = ' '.join(command.split(' ')[1:])
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response = XmppCommands.feed_add(
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url, db_file, jid_bare, title)
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case _ if command.startswith('allow +'):
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val = command[7:]
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if val:
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await XmppCommands.set_filter_allow(
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db_file, val, True)
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response = ('Approved keywords\n'
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'```\n{}\n```'
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.format(val))
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else:
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response = ('No action has been taken.'
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'\n'
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'Missing keywords.')
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case _ if command.startswith('allow -'):
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val = command[7:]
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if val:
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await XmppCommands.set_filter_allow(
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db_file, val, False)
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response = ('Approved keywords\n'
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'```\n{}\n```'
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.format(val))
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else:
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response = ('No action has been taken.'
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'\n'
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'Missing keywords.')
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case _ if command.startswith('archive'):
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val = command[8:]
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response = await XmppCommands.set_archive(
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self, jid_bare, val)
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case _ if command.startswith('bookmark +'):
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muc_jid = command[11:]
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response = await XmppCommands.bookmark_add(
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self, muc_jid)
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case _ if command.startswith('bookmark -'):
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muc_jid = command[11:]
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response = await XmppCommands.bookmark_del(
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self, muc_jid)
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case 'bookmarks':
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response = await XmppCommands.print_bookmarks(self)
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case _ if command.startswith('clear'):
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key = command[6:]
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response = await XmppCommands.clear_filter(db_file, key)
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case _ if command.startswith('default'):
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key = command[8:]
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response = await XmppCommands.restore_default(
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self, jid_bare, key=None)
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case 'defaults':
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response = await XmppCommands.restore_default(self, jid_bare)
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case _ if command.startswith('deny +'):
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val = command[6:]
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if val:
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await XmppCommands.set_filter_allow(
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db_file, val, True)
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response = ('Rejected keywords\n'
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'```\n{}\n```'
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.format(val))
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else:
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response = ('No action has been taken.'
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'\n'
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'Missing keywords.')
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case _ if command.startswith('deny -'):
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val = command[6:]
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if val:
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await XmppCommands.set_filter_allow(
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db_file, val, False)
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response = ('Rejected keywords\n'
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'```\n{}\n```'
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.format(val))
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else:
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response = ('No action has been taken.'
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'\n'
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'Missing keywords.')
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case _ if command.startswith('disable'):
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response = await XmppCommands.feed_disable(
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self, db_file, jid_bare, command)
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case _ if command.startswith('enable'):
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response = await XmppCommands.feed_enable(
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self, db_file, command)
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case _ if command.startswith('export'):
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ext = command[7:]
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if ext in ('md', 'opml'):
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filename, result = XmppCommands.export_feeds(
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self.dir_cache, jid_bare, ext)
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response = result + ' : ' + filename
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else:
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response = 'Unsupported filetype. Try: md or opml'
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case _ if command.startswith('feeds'):
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query = command[6:]
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result, number = XmppCommands.list_feeds(db_file, query)
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if number:
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if query:
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first_line = ('Subscriptions containing "{}":\n'
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.format(query))
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else:
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first_line = 'Subscriptions:\n'
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response = (first_line + result +
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'\nTotal of {} feeds'.format(number))
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case _ if (command.startswith('gemini:') or
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command.startswith('gopher:')):
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response = XmppCommands.fetch_gemini()
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case 'help':
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response = XmppCommands.print_help()
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case 'help all':
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response = XmppCommands.print_help_list()
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case _ if (command.startswith('http') and
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command.endswith('.opml')):
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response = await XmppCommands.import_opml(
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self, db_file, jid_bare, command)
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case 'info':
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response = XmppCommands.print_info_list(self)
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case _ if command.startswith('info'):
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entry = command[5:].lower()
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response = XmppCommands.print_info_specific(self, entry)
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case 'pubsub list':
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response = await XmppCommands.pubsub_list(
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self, jid_bare)
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case _ if command.startswith('pubsub list'):
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jid = command[12:]
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response = 'List of nodes for {}:\n```\n'.format(jid)
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response = await XmppCommands.pubsub_list(self, jid)
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response += '```'
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case _ if command.startswith('pubsub send'):
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info = command[12:]
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info = info.split(' ')
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jid = info[0]
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# num = int(info[1])
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if jid:
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response = XmppCommands.pubsub_send(self, info, jid)
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# TODO Handle node error
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# sqlite3.IntegrityError: UNIQUE constraint failed: feeds_pubsub.node
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# ERROR:slixmpp.basexmpp:UNIQUE constraint failed: feeds_pubsub.node
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case _ if (command.startswith('http') or
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command.startswith('feed:/') or
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command.startswith('itpc:/') or
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command.startswith('rss:/')):
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response = await XmppCommands.fetch_http(
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self, command, db_file, jid_bare)
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case _ if command.startswith('interval'):
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val = command[9:]
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if val:
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response = await XmppCommands.set_interval(
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self, db_file, jid_bare, val)
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XmppChatTask.restart_task(self, jid_bare)
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else:
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response = 'Current value for interval: '
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response += XmppCommands.get_interval(self, jid_bare)
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case _ if command.startswith('join'):
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muc_jid = command[5:]
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response = await XmppCommands.muc_join(self, muc_jid)
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case _ if command.startswith('length'):
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val = command[7:]
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if val:
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response = await XmppCommands.set_length(
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self, db_file, jid_bare, val)
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else:
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response = 'Current value for length: '
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response += XmppCommands.get_length(self, jid_bare)
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case 'media off':
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response = await XmppCommands.set_media_off(
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self, jid_bare, db_file)
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case 'media on':
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response = await XmppCommands.set_media_on(
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self, jid_bare, db_file)
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case 'new':
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response = await XmppCommands.set_old_off(
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self, jid_bare, db_file)
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case _ if command.startswith('next'):
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num = command[5:]
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await XmppChatAction.send_unread_items(self, jid_bare, num)
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case _ if command.startswith('node delete'):
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info = command[12:]
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info = info.split(' ')
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response = XmppCommands.node_delete(self, info)
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case _ if command.startswith('node purge'):
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info = command[11:]
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info = info.split(' ')
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response = XmppCommands.node_purge(self, info)
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case 'old':
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response = await XmppCommands.set_old_on(
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self, jid_bare, db_file)
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case 'options':
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response = 'Options:\n```'
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response += XmppCommands.print_options(self, jid_bare)
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response += '\n```'
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case _ if command.startswith('quantum'):
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val = command[8:]
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if val:
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response = await XmppCommands.set_quantum(
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self, db_file, jid_bare, val)
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else:
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response = 'Quantum: '
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response += XmppCommands.get_quantum(
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self, jid_bare)
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case 'random':
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response = XmppCommands.set_random(self, jid_bare, db_file)
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case _ if command.startswith('read'):
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data = command[5:]
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data = data.split()
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url = data[0]
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if url:
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response = await XmppCommands.feed_read(
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self, jid_bare, data, url)
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else:
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response = ('No action has been taken.'
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'\n'
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'Missing URL.')
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case _ if command.startswith('recent'):
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num = command[7:]
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if not num: num = 5
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count, result = XmppCommands.print_recent(
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self, db_file, num)
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if count:
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response = 'Recent {} fetched titles:\n'.format(num)
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response += result
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else:
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response = result
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case _ if command.startswith('remove'):
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ix_url = command[7:]
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ix_url = ix_url.split(' ')
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response = await XmppCommands.feed_remove(
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self, jid_bare, db_file, ix_url)
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case _ if command.startswith('rename'):
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response = await XmppCommands.feed_rename(
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self, db_file, jid_bare, command)
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case _ if command.startswith('reset'):
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ix_url = command[6:]
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ix_url = ix_url.split(' ')
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response = await XmppCommands.mark_as_read(
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jid_bare, db_file, ix_url)
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case _ if command.startswith('search'):
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query = command[7:]
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response = XmppCommands.search_items(db_file, query)
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case 'start':
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tasks = (FeedTask, XmppChatTask, XmppStatusTask)
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response = await XmppCommands.scheduler_start(
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self, db_file, jid_bare, tasks)
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case 'stats':
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response = XmppCommands.print_statistics(db_file)
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case 'stop':
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response = await XmppCommands.scheduler_stop(
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self, db_file, jid_bare)
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case 'support':
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response = XmppCommands.print_support_jid()
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case 'version':
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response = XmppCommands.print_version(self, jid_bare)
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case _ if command.startswith('xmpp:'):
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response = await XmppCommands.muc_join(self, command)
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case _ if command.startswith('xmpp:'):
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response = await XmppCommands.muc_join(self, command)
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case 'exit':
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conn.close()
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break
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case _:
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response = XmppCommands.print_unknown()
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# Send 'response'
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await loop.sock_sendall(conn, response.encode('utf-8'))
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