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titlebot.py
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titlebot.py
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#!/usr/bin/env python2
# coding: utf-8
import os
import sys
import socket
import string
import time
import urllib2
import HTMLParser
import zlib
import re
import libirc
HOST = "irc.freenode.net"
PORT = 6697
NICK = "titlebot"
IDENT = "titlebot"
REALNAME = "titlebot"
CHANS = ["##Orz"]
def ParseURL(s):
http_idx = s.find('http:')
https_idx = s.find('https:')
if https_idx == -1:
if http_idx == -1:
return None
else:
return s[http_idx:]
else:
if http_idx == -1:
return s[https_idx:]
else:
return s[min(http_idx, https_idx):]
try:
c = libirc.IRCConnection()
c.connect((HOST, PORT), use_ssl=True)
c.setnick(NICK)
c.setuser(IDENT, REALNAME)
for CHAN in CHANS:
c.join(CHAN)
except:
time.sleep(10)
sys.stderr.write("Restarting...\n")
os.execlp("python2", "python2", __file__)
raise
CHAN = CHANS[0]
socket.setdefaulttimeout(10)
html_parser = HTMLParser.HTMLParser()
quiting = False
while not quiting:
if not c.sock:
quiting = True
time.sleep(10)
sys.stderr.write("Restarting...\n")
os.execlp("python2", "python2", __file__)
break
try:
line = c.recvline(block=True)
if not line:
continue
sys.stderr.write("%s\n" % line.encode('utf-8', 'replace'))
line = c.parse(line=line)
if line and line["cmd"] == "PRIVMSG":
if line["dest"] == NICK:
if line["msg"] == u"Get out of this channel!": # A small hack
c.quit(u"%s asked to leave." % line["nick"])
quiting = True
else:
CHAN = line["dest"]
for w in line["msg"].split():
if w.startswith(u'magnet:?'):
time.sleep(3)
filename = re.findall(u'(&|&)dn=([^&]+)', w)
if len(filename) < 1 or len(filename[0]) < 2:
break
filename = html_parser.unescape(urllib2.unquote(filename[0][1].replace(u'+', u' ').encode('utf-8', 'replace')).decode('utf-8', 'replace')).replace(u'\n', u' ').replace(u'\r', u'')
c.say(CHAN, u'⇪文件名: %s' % filename)
break
w = ParseURL(w)
if w:
time.sleep(3)
w = w.split(">", 1)[0].split('"', 1)[0]
if re.match("https?:/*git.io(/|$)", w):
continue # Fix for git.io
opener = urllib2.build_opener()
opener.addheaders = [("Accept", "text/html, image/png, image/webp, image/jpeg, image/gif, */*"), ("Accept-Charset", "utf-8, iso-8859-1"), ("Accept-Language", "zh-cn, zh-hans, zh-tw, zh-hant, zh, en-us, en-gb, en"), ("Range", "bytes=0-16383"), ("User-Agent", "Mozilla/5.0 (compatible; Titlebot; like IRCbot; +https://github.com/m13253/titlebot)"), ("X-Forwarded-For", "10.2.0.101"), ("X-moz", "prefetch"), ("X-Prefetch", "yes"), ("X-Requested-With", "Titlebot")]
h = opener.open(w.encode("utf-8", "replace"))
if h.code == 200 or h.code == 206:
if not "Content-Type" in h.info() or h.info()["Content-Type"].split(";")[0] == "text/html":
wbuf = h.read(16384)
read_times = 1
while len(wbuf) < 16384 and read_times < 4:
read_times += 1
wbuf_ = h.read(16384)
if wbuf_:
wbuf += wbuf_
else:
break
if "Content-Encoding" in h.info() and h.info()["Content-Encoding"] == "gzip": # Fix buggy www.bilibili.tv
try:
gunzip_obj = zlib.decompressobj(16 + zlib.MAX_WBITS)
wbuf = gunzip_obj.decompress(wbuf)
except:
pass
if wbuf.find("<title>") != -1:
titleenc = wbuf.split("<title>")[1].split("</title>")[0]
title = None
for enc in ("utf-8", "gbk", "gb18030", "iso-8859-1"):
try:
title = titleenc.decode(enc)
break
except UnicodeDecodeError:
pass
if title is None:
title = title.decode("utf-8", "replace")
title = html_parser.unescape(title).replace("\r", "").replace("\n", " ").strip()
c.say(CHAN, u"⇪标题: %s" % title)
else:
c.say(CHAN, u"⇪无标题网页")
else:
if "Content-Range" in h.info():
c.say(CHAN, u"⇪文件类型: %s, 文件大小: %s 字节\r\n" % (h.info()["Content-Type"], h.info()["Content-Range"].split("/")[1]))
elif "Content-Length" in h.info():
c.say(CHAN, u"⇪文件类型: %s, 文件大小: %s 字节\r\n" % (h.info()["Content-Type"], h.info()["Content-Length"]))
else:
c.say(CHAN, u"⇪文件类型: %s\r\n" % h.info()["Content-Type"])
else:
c.say(CHAN, u"⇪HTTP %d 错误\r\n" % h.code)
except Exception as e:
try:
c.say(CHAN, u"哎呀，%s 好像出了点问题: %s" % (NICK, e))
except:
pass
except socket.error as e:
sys.stderr.write("Error: %s\n", e)
c.quit("Network error.")
# vim: et ft=python sts=4 sw=4 ts=4