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#!/usr/bin/env python3

# Slixmpp: The Slick XMPP Library
# Copyright (C) 2018 Emmanuel Gil Peyrot
# This file is part of Slixmpp.
# See the file LICENSE for copying permission.

import logging
from getpass import getpass
from argparse import ArgumentParser

import slixmpp

log = logging.getLogger(__name__)


class HttpUpload(slixmpp.ClientXMPP):

    """
    A basic client asking an entity if they confirm the access to an HTTP URL.
    """

    def __init__(self, jid, password, recipient, filename, domain=None):
        slixmpp.ClientXMPP.__init__(self, jid, password)

        self.recipient = recipient
        self.filename = filename
        self.domain = domain

        self.add_event_handler("session_start", self.start)

    async def start(self, event):
        log.info('Uploading file %s...', self.filename)
        def timeout_callback(arg):
            raise TimeoutError("could not send message in time")
        url = await self['xep_0363'].upload_file(
            self.filename, domain=self.domain, timeout=10, timeout_callback=timeout_callback)
        log.info('Upload success!')

        log.info('Sending file to %s', self.recipient)
        html = '<body xmlns="http://www.w3.org/1999/xhtml"><a href="%s">%s</a></body>' % (url, url)
        self.send_message(self.recipient, url, mhtml=html)
        self.disconnect()


if __name__ == '__main__':
    # Setup the command line arguments.
    parser = ArgumentParser()
    parser.add_argument("-q","--quiet", help="set logging to ERROR",
                        action="store_const",
                        dest="loglevel",
                        const=logging.ERROR,
                        default=logging.INFO)
    parser.add_argument("-d","--debug", help="set logging to DEBUG",
                        action="store_const",
                        dest="loglevel",
                        const=logging.DEBUG,
                        default=logging.INFO)

    # JID and password options.
    parser.add_argument("-j", "--jid", dest="jid",
                        help="JID to use")
    parser.add_argument("-p", "--password", dest="password",
                        help="password to use")

    # Other options.
    parser.add_argument("-r", "--recipient", required=True,
                        help="Recipient JID")
    parser.add_argument("-f", "--file", required=True,
                        help="File to send")
    parser.add_argument("--domain",
                        help="Domain to use for HTTP File Upload (leave out for your own server’s)")

    args = parser.parse_args()

    # Setup logging.
    logging.basicConfig(level=args.loglevel,
                        format='%(levelname)-8s %(message)s')

    if args.jid is None:
        args.jid = input("Username: ")
    if args.password is None:
        args.password = getpass("Password: ")

    xmpp = HttpUpload(args.jid, args.password, args.recipient, args.file, args.domain)
    xmpp.register_plugin('xep_0071')
    xmpp.register_plugin('xep_0128')
    xmpp.register_plugin('xep_0363')

    # Connect to the XMPP server and start processing XMPP stanzas.
    xmpp.connect()
    xmpp.process(forever=False)