326 lines
12 KiB
Python
326 lines
12 KiB
Python
#!/usr/bin/python
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import urllib
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import sys
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import logging
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import traceback
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import simplejson
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import re
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import time
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import subprocess
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import optparse
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import os
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import datetime
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import textwrap
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from urllib2 import HTTPError
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sys.path.append("/mit/tabbott/Public/python-zephyr/")
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sys.path.append("/mit/tabbott/Public/python-zephyr/build/lib.linux-x86_64-2.6/")
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parser = optparse.OptionParser()
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parser.add_option('--forward-class-messages',
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dest='forward_class_messages',
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default=False,
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action='store_true')
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parser.add_option('--resend-log',
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dest='resend_log',
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default=False,
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action='store_true')
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parser.add_option('--enable-log',
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dest='enable_log',
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default=False,
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action='store_true')
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parser.add_option('--no-forward-personals',
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dest='forward_personals',
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default=True,
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action='store_false')
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parser.add_option('--forward-from-humbug',
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dest='forward_to_humbug',
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default=True,
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action='store_false')
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parser.add_option('--no-auto-subscribe',
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dest='auto_subscribe',
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default=True,
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action='store_false')
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parser.add_option('--site',
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dest='site',
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default="https://app.humbughq.com",
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action='store')
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parser.add_option('--api-key',
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dest='api_key',
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default="xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx",
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action='store')
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(options, args) = parser.parse_args()
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sys.path.append(".")
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sys.path.append(os.path.dirname(os.path.dirname(__file__)))
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import api.common
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humbug_client = api.common.HumbugAPI(email=os.environ["USER"] + "@mit.edu",
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api_key=options.api_key,
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verbose=True,
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site=options.site)
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import zephyr
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zephyr.init()
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subs = zephyr.Subscriptions()
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def compute_humbug_username(zephyr_username):
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return zephyr_username.lower().split("@")[0] + "@mit.edu"
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def send_humbug(zeph):
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zeph["forged"] = "yes"
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zeph["sender"] = compute_humbug_username(zeph["sender"])
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zeph['fullname'] = username_to_fullname(zeph['sender'])
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zeph['shortname'] = zeph['sender'].split('@')[0]
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if "subject" in zeph:
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zeph["subject"] = zeph["subject"][:60]
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if "stream" in zeph:
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zeph["stream"] = zeph["stream"][:30]
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for key in zeph.keys():
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if isinstance(zeph[key], unicode):
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zeph[key] = zeph[key].encode("utf-8")
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elif isinstance(zeph[key], str):
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zeph[key] = zeph[key].decode("utf-8")
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return humbug_client.send_message(zeph)
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def fetch_fullname(username):
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try:
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match_user = re.match(r'([a-zA-Z0-9_]+)@mit\.edu', username)
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if match_user:
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proc = subprocess.Popen(['hesinfo', match_user.group(1), 'passwd'], stdout=subprocess.PIPE)
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out, _err_unused = proc.communicate()
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if proc.returncode == 0:
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return out.split(':')[4].split(',')[0]
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except:
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print >>sys.stderr, 'Error getting fullname for', username
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traceback.print_exc()
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return username.title().replace('@', ' at ').replace('.', ' dot ')
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fullnames = {}
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def username_to_fullname(username):
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if username not in fullnames:
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fullnames[username] = fetch_fullname(username)
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return fullnames[username]
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current_zephyr_subs = {}
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def ensure_subscribed(sub):
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if sub in current_zephyr_subs:
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return
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subs.add((sub, '*', '*'))
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current_zephyr_subs[sub] = True
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def update_subscriptions_from_humbug():
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try:
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res = humbug_client.get_public_streams()
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streams = res["streams"]
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except:
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print "Error getting public streams:"
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traceback.print_exc()
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return
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for stream in streams:
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ensure_subscribed(stream)
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def process_loop(log):
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sleep_count = 0
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sleep_time = 0.1
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while True:
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notice = zephyr.receive(block=False)
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if notice is None:
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time.sleep(sleep_time)
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sleep_count += sleep_time
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if sleep_count > 15:
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sleep_count = 0
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if options.forward_class_messages:
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# Ask the Humbug server about any new classes to subscribe to
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update_subscriptions_from_humbug()
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continue
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try:
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zsig, body = notice.message.split("\x00", 1)
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is_personal = False
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is_huddle = False
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if notice.opcode == "PING":
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# skip PING messages
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continue
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if isinstance(zsig, str):
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# Check for width unicode character u'\u200B'.encode("utf-8")
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if u'\u200B'.encode("utf-8") in zsig:
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print "Skipping message from Humbug!"
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continue
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sender = notice.sender.lower().replace("athena.mit.edu", "mit.edu")
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recipient = notice.recipient.lower().replace("athena.mit.edu", "mit.edu")
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if (notice.cls.lower() == "message" and
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notice.instance.lower() == "personal"):
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is_personal = True
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if body.startswith("CC:"):
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is_huddle = True
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# Map "CC: sipbtest espuser" => "starnine@mit.edu,espuser@mit.edu"
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huddle_recipients_list = [compute_humbug_username(x.strip()) for x in
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body.split("\n")[0][4:].split()]
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if sender not in huddle_recipients_list:
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huddle_recipients_list.append(sender)
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huddle_recipients = ",".join(huddle_recipients_list)
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# Drop messages not to the listed subscriptions
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if (notice.cls.lower() not in current_zephyr_subs) and not \
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(is_personal and options.forward_personals):
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print "Skipping ...", notice.cls, notice.instance, is_personal
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continue
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if is_huddle:
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zeph = { 'type' : 'personal',
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'time' : str(notice.time),
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'sender' : sender,
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'recipient' : huddle_recipients,
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'zsig' : zsig, # logged here but not used by app
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'content' : body.split("\n", 1)[1] }
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elif is_personal:
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zeph = { 'type' : 'personal',
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'time' : str(notice.time),
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'sender' : sender,
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'recipient' : compute_humbug_username(recipient),
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'zsig' : zsig, # logged here but not used by app
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'content' : body }
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else:
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zeph = { 'type' : 'stream',
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'time' : str(notice.time),
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'sender' : sender,
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'stream' : notice.cls.lower(),
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'subject' : notice.instance.lower(),
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'zsig' : zsig, # logged here but not used by app
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'content' : body }
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print "%s: received a message on %s/%s from %s..." % \
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(datetime.datetime.now(), notice.cls, notice.instance, notice.sender)
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log.write(simplejson.dumps(zeph) + '\n')
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log.flush()
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res = send_humbug(zeph)
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if res.get("result") != "success":
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print >>sys.stderr, 'Error relaying zephyr'
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print zeph
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print res
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except:
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print >>sys.stderr, 'Error relaying zephyr'
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traceback.print_exc()
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time.sleep(2)
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def zephyr_to_humbug(options):
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import mit_subs_list
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if options.forward_class_messages:
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for sub in mit_subs_list.all_subs:
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ensure_subscribed(sub)
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update_subscriptions_from_humbug()
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if options.forward_personals:
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subs.add(("message", "personal", "*"))
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if options.resend_log:
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with open('zephyrs', 'r') as log:
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for ln in log:
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try:
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zeph = simplejson.loads(ln)
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print "sending saved message to %s from %s..." % \
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(zeph.get('class', zeph.get('recipient')), zeph['sender'])
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send_humbug(zeph)
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except:
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print >>sys.stderr, 'Could not send saved zephyr'
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traceback.print_exc()
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time.sleep(2)
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print "Starting receive loop"
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if options.enable_log:
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log_file = "zephyrs"
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else:
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log_file = "/dev/null"
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with open(log_file, 'a') as log:
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process_loop(log)
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def forward_to_zephyr(message):
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zsig = u"%s\u200B" % (username_to_fullname(message["sender_email"]))
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if ' dot ' in zsig:
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print "ERROR! Couldn't compute zsig for %s!" % (message["sender_email"])
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return
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wrapped_content = "\n".join("\n".join(textwrap.wrap(line))
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for line in message["content"].split("\n"))
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print "Sending message from %s humbug=>zephyr at %s" % (message["sender_email"], datetime.datetime.now())
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if message['type'] == "stream":
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zeph = zephyr.ZNotice(sender=message["sender_email"].replace("mit.edu", "ATHENA.MIT.EDU"),
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auth=True, cls=message["display_recipient"],
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instance=message["subject"])
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body = "%s\0%s" % (zsig, wrapped_content)
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zeph.setmessage(body)
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zeph.send()
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elif message['type'] == "personal":
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zeph = zephyr.ZNotice(sender=message["sender_email"].replace("mit.edu", "ATHENA.MIT.EDU"),
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auth=True, recipient=message["display_recipient"].replace("mit.edu", "ATHENA.MIT.EDU"),
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cls="message", instance="personal")
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body = "%s\0%s" % (zsig, wrapped_content)
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zeph.setmessage(body)
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zeph.send()
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elif message['type'] == "huddle":
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cc_list = ["CC:"]
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cc_list.extend([user["email"].replace("@mit.edu", "")
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for user in message["display_recipient"]])
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body = "%s\0%s\n%s" % (zsig, " ".join(cc_list), wrapped_content)
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for r in message["display_recipient"]:
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zeph = zephyr.ZNotice(sender=message["sender_email"].replace("mit.edu", "ATHENA.MIT.EDU"),
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auth=True, recipient=r["email"].replace("mit.edu", "ATHENA.MIT.EDU"),
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cls="message", instance="personal")
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zeph.setmessage(body)
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zeph.send()
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def maybe_forward_to_zephyr(message):
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if message["sender_email"] == os.environ["USER"] + "@mit.edu":
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if float(message["timestamp"]) < float(datetime.datetime.now().strftime("%s")) - 15:
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print "Alert! Out of order message!", message["timestamp"], datetime.datetime.now().strftime("%s")
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return
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forward_to_zephyr(message)
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def humbug_to_zephyr(options):
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# Sync messages from zephyr to humbug
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print "Starting syncing messages."
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humbug_client.call_on_each_message(maybe_forward_to_zephyr,
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options={"mit_sync_bot": 'yes'})
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def add_humbug_subscriptions():
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print "Adding your ~/.zephyr.subs subscriptions to Humbug!"
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zephyr_subscriptions = set()
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subs_file = os.path.join(os.environ["HOME"], ".zephyr.subs")
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if not os.path.exists(subs_file):
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print >>sys.stderr, "Couldn't find .zephyr.subs!"
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print >>sys.stderr, "Do you mean to run with --no-auto-subscribe?"
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return
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for line in file(subs_file, "r").readlines():
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line = line.strip()
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if len(line) == 0:
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continue
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try:
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(cls, instance, recipient) = line.split(",")
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if instance != "*" or recipient != "*":
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print "Skipping ~/.zephyr.subs line: [%s] due to non-* values" % (line,)
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continue
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zephyr_subscriptions.add(cls)
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except:
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print >>sys.stderr, "Couldn't parse ~/.zephyr.subs file line: [%s]" % (line,)
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if len(zephyr_subscriptions) != 0:
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humbug_client.subscribe(list(zephyr_subscriptions))
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if options.forward_to_humbug:
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if options.auto_subscribe:
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add_humbug_subscriptions()
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zephyr_to_humbug(options)
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else:
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humbug_to_zephyr(options)
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