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events.py
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events.py
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# -*- coding: utf-8 -*-
from gevent import monkey
monkey.patch_all()
# -- stdlib --
from collections import deque
from email.MIMEMultipart import MIMEMultipart
from email.MIMEText import MIMEText
from email.Utils import formatdate
from urllib import unquote
import argparse
import json
import logging
import smtplib
import sys
import time
# -- third party --
from bottle import request, response, route, run
from gevent.event import Event
import gevent
# -- own --
from utils.interconnect import RedisInterconnect
from account.forum_integration import Account
# -- code --
options = None
current_users = {}
event_waiters = set()
events_history = deque([[None, 0]] * 1000)
interconnect = None
logging.basicConfig()
class Interconnect(RedisInterconnect):
def on_message(self, node, topic, message):
if topic == 'current_users':
# [[node, username, state], ...]
current_users[node] = [
(node, i['account'][2], i['state']) for i in message
]
rst = []
map(rst.__iadd__, current_users.values())
self.notify('current_users', rst)
elif topic == 'shutdown':
# not implemented yet
current_users[node] = []
rst = []
map(rst.__iadd__, current_users.values())
self.notify('current_users', rst)
if topic == 'speaker':
# [node, username, content]
message.insert(0, node)
self.notify('speaker', message)
def notify(self, key, message):
@gevent.spawn
def _notify():
events_history.rotate()
events_history[0] = [[key, message], time.time()]
[evt.set() for evt in list(event_waiters)]
@route('/interconnect/onlineusers')
def onlineusers():
rst = []
map(rst.__iadd__, current_users.values())
return json.dumps(rst)
@route('/interconnect/events')
def events():
try:
last = float(request.get_cookie('interconnect_last_event'))
except:
last = time.time()
evt = Event()
events_history[0][1] > last and evt.set()
event_waiters.add(evt)
success = evt.wait(timeout=30)
event_waiters.discard(evt)
response.set_header('Content-Type', 'application/json')
response.set_header('Pragma', 'no-cache')
response.set_header('Cache-Control', 'no-cache, no-store, max-age=0, must-revalidate')
response.set_header('Expires', 'Thu, 01 Dec 1994 16:00:00 GMT')
success and response.set_cookie('interconnect_last_event', '%.5f' % time.time())
data = []
for e in events_history:
if e[1] > last:
data.append(e[0])
else:
break
data = list(reversed(data))
return json.dumps(data)
@route('/interconnect/speaker', method='POST')
def speaker():
idx = {
k.split('_')[-1]: k for k in request.cookies
if k.startswith(options.discuz_cookiepre)
}
if not ('auth' in idx and 'saltkey' in idx):
response.status = 403
return
auth = unquote(request.get_cookie(idx['auth']))
saltkey = unquote(request.get_cookie(idx['saltkey']))
uid, pwd = Account.decode_cookie(auth, saltkey)
user = Account.find(uid)
if not user:
return 'false'
if user.jiecao < 0:
return 'false'
message = request.forms.get('message').decode('utf-8', 'ignore')
username = user.username.decode('utf-8', 'ignore')
interconnect.publish('speaker', [username, message])
return 'true'
def send_mail(send_from, send_to, subject, text, files=[], server="localhost"):
msg = MIMEMultipart('alternative')
msg.set_charset('utf-8')
msg['From'] = send_from
msg['To'] = send_to
msg['Date'] = formatdate(localtime=True)
msg['Subject'] = subject
part = MIMEText(text)
part.set_charset('utf-8')
msg.attach(part)
smtp = smtplib.SMTP(server)
smtp.sendmail(send_from, send_to, msg.as_string())
smtp.close()
def main():
global options, interconnect
parser = argparse.ArgumentParser(sys.argv[0])
parser.add_argument('--host', default='127.0.0.1')
parser.add_argument('--port', type=int, default=7001)
parser.add_argument('--redis-url', default='redis://localhost:6379')
parser.add_argument('--member-service', default='localhost')
parser.add_argument('--discuz-cookiepre', default='VfKd_')
parser.add_argument('--discuz-authkey', default='Proton rocks')
parser.add_argument('--db', default='sqlite:////dev/shm/thb.sqlite3')
options = parser.parse_args()
import options as opmod
opmod.options = options
import db.session
db.session.init(options.db)
interconnect = Interconnect.spawn('forum', options.redis_url)
run(server='gevent', host=options.host, port=options.port)
if __name__ == '__main__':
main()