mirror of
https://github.com/Mikaela/Limnoria.git
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dae81168d3
ln-s.net has been dead for over half a year now; both their website homepage and any previous shortened links return an HTTP 503. Thus, it isn't very useful to leave this broken command lingering around...
321 lines
11 KiB
Python
321 lines
11 KiB
Python
###
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# Copyright (c) 2002-2004, Jeremiah Fincher
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# Copyright (c) 2009-2010, James McCoy
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are met:
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#
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# * Redistributions of source code must retain the above copyright notice,
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# this list of conditions, and the following disclaimer.
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# * Redistributions in binary form must reproduce the above copyright notice,
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# this list of conditions, and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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# * Neither the name of the author of this software nor the name of
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# contributors to this software may be used to endorse or promote products
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# derived from this software without specific prior written consent.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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###
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import re
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import sys
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import time
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import json
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import urllib
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import supybot.log as log
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import supybot.conf as conf
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import supybot.utils as utils
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from supybot.commands import *
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import supybot.ircmsgs as ircmsgs
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import supybot.plugins as plugins
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import supybot.ircutils as ircutils
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import supybot.callbacks as callbacks
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from supybot.i18n import PluginInternationalization, internationalizeDocstring
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_ = PluginInternationalization('ShrinkUrl')
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class CdbShrunkenUrlDB(object):
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def __init__(self, filename):
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self.dbs = {}
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cdb = conf.supybot.databases.types.cdb
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def register_service(service):
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dbname = filename.replace('.db', service.capitalize() + '.db')
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self.dbs[service] = cdb.connect(dbname)
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for service in conf.supybot.plugins.ShrinkUrl.default.validStrings:
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register_service(service)
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register_service('Expand')
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def get(self, service, url):
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return self.dbs[service][url]
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def set(self, service, url, shrunkurl):
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self.dbs[service][url] = shrunkurl
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def close(self):
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for service in self.dbs:
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self.dbs[service].close()
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def flush(self):
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for service in self.dbs:
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self.dbs[service].flush()
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ShrunkenUrlDB = plugins.DB('ShrinkUrl', {'cdb': CdbShrunkenUrlDB})
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class ShrinkError(Exception):
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pass
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def retry(f):
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def newf(*args, **kwargs):
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for x in xrange(0, 3):
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try:
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return f(*args, **kwargs)
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except Exception:
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log.exception('Shrinking URL failed. Trying again.')
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time.sleep(1)
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return f(*args, **kwargs)
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return newf
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class ShrinkUrl(callbacks.PluginRegexp):
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"""This plugin features commands to shorten URLs through different services,
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like tinyurl."""
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regexps = ['shrinkSnarfer']
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def __init__(self, irc):
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self.__parent = super(ShrinkUrl, self)
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self.__parent.__init__(irc)
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self.db = ShrunkenUrlDB()
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def die(self):
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self.db.close()
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def callCommand(self, command, irc, msg, *args, **kwargs):
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try:
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self.__parent.callCommand(command, irc, msg, *args, **kwargs)
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except utils.web.Error as e:
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irc.error(str(e))
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def _outFilterThread(self, irc, msg):
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(channel, text) = msg.args
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for m in utils.web.httpUrlRe.finditer(text):
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url = m.group(1)
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if len(url) > self.registryValue('minimumLength', channel):
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try:
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cmd = self.registryValue('serviceRotation',
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channel, value=False)
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cmd = cmd.getService().capitalize()
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except ValueError:
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cmd = self.registryValue('default', channel).capitalize()
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try:
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shortUrl = getattr(self, '_get%sUrl' % cmd)(url)
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text = text.replace(url, shortUrl)
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except (utils.web.Error, AttributeError, ShrinkError):
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pass
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newMsg = ircmsgs.privmsg(channel, text, msg=msg)
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newMsg.tag('shrunken')
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irc.queueMsg(newMsg)
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def outFilter(self, irc, msg):
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channel = msg.args[0]
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if msg.command == 'PRIVMSG' and irc.isChannel(channel):
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if not msg.shrunken:
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if self.registryValue('outFilter', channel):
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if utils.web.httpUrlRe.search(msg.args[1]):
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self._outFilterThread(irc, msg)
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return None
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return msg
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def shrinkSnarfer(self, irc, msg, match):
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channel = msg.args[0]
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if not irc.isChannel(channel):
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return
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if self.registryValue('shrinkSnarfer', channel):
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url = match.group(0)
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r = self.registryValue('nonSnarfingRegexp', channel)
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if r and r.search(url) is not None:
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self.log.debug('Matched nonSnarfingRegexp: %u', url)
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return
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minlen = self.registryValue('minimumLength', channel)
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try:
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cmd = self.registryValue('serviceRotation',
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channel, value=False)
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cmd = cmd.getService().capitalize()
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except ValueError:
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cmd = self.registryValue('default', channel).capitalize()
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if len(url) >= minlen:
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try:
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shorturl = getattr(self, '_get%sUrl' % cmd)(url)
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except (utils.web.Error, AttributeError, ShrinkError):
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self.log.info('Couldn\'t get shorturl for %u', url)
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return
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if self.registryValue('shrinkSnarfer.showDomain', channel):
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domain = ' (at %s)' % utils.web.getDomain(url)
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else:
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domain = ''
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if self.registryValue('bold'):
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s = format('%u%s', ircutils.bold(shorturl), domain)
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else:
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s = format('%u%s', shorturl, domain)
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m = irc.reply(s, prefixNick=False)
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if m is not None:
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m.tag('shrunken')
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shrinkSnarfer = urlSnarfer(shrinkSnarfer)
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shrinkSnarfer.__doc__ = utils.web._httpUrlRe
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@retry
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def _getTinyUrl(self, url):
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try:
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return self.db.get('tiny', url)
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except KeyError:
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text = utils.web.getUrl('http://tinyurl.com/api-create.php?url=' + url)
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text = text.decode()
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if text.startswith('Error'):
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raise ShrinkError(text[5:])
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self.db.set('tiny', url, text)
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return text
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@internationalizeDocstring
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def tiny(self, irc, msg, args, url):
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"""<url>
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Returns a TinyURL.com version of <url>
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"""
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try:
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tinyurl = self._getTinyUrl(url)
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m = irc.reply(tinyurl)
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if m is not None:
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m.tag('shrunken')
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except ShrinkError as e:
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irc.errorPossibleBug(str(e))
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tiny = thread(wrap(tiny, ['httpUrl']))
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_gooApi = 'https://www.googleapis.com/urlshortener/v1/url'
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@retry
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def _getGooUrl(self, url):
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try:
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return self.db.get('goo', url)
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except KeyError:
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headers = utils.web.defaultHeaders.copy()
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headers['content-type'] = 'application/json'
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data = json.dumps({'longUrl': url})
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text = utils.web.getUrl(self._gooApi, data=data, headers=headers)
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if sys.version_info[0] >= 3 and isinstance(text, bytes):
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text = text.decode()
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googl = json.loads(text)['id']
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if googl:
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self.db.set('goo', url, googl)
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return googl
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else:
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raise ShrinkError(text)
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def goo(self, irc, msg, args, url):
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"""<url>
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Returns an goo.gl version of <url>.
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"""
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try:
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goourl = self._getGooUrl(url)
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m = irc.reply(goourl)
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if m is not None:
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m.tag('shrunken')
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except ShrinkError as e:
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irc.error(str(e))
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goo = thread(wrap(goo, ['httpUrl']))
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_ur1Api = 'http://ur1.ca/'
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_ur1Regexp = re.compile(r'<a href="(?P<url>[^"]+)">')
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@retry
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def _getUr1Url(self, url):
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try:
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return self.db.get('ur1ca', utils.web.urlquote(url))
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except KeyError:
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parameters = utils.web.urlencode({'longurl': url})
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response = utils.web.getUrl(self._ur1Api, data=parameters)
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ur1ca = self._ur1Regexp.search(response.decode()).group('url')
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if ur1ca:
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self.db.set('ur1', url, ur1ca)
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return ur1ca
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else:
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raise ShrinkError(response)
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def ur1(self, irc, msg, args, url):
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"""<url>
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Returns an ur1 version of <url>.
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"""
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try:
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ur1url = self._getUr1Url(url)
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m = irc.reply(ur1url)
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if m is not None:
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m.tag('shrunken')
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except ShrinkError as e:
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irc.error(str(e))
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ur1 = thread(wrap(ur1, ['httpUrl']))
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_x0Api = 'http://api.x0.no/?%s'
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@retry
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def _getX0Url(self, url):
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try:
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return self.db.get('x0', url)
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except KeyError:
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text = utils.web.getUrl(self._x0Api % url).decode()
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if text.startswith('ERROR:'):
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raise ShrinkError(text[6:])
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self.db.set('x0', url, text)
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return text
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@internationalizeDocstring
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def x0(self, irc, msg, args, url):
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"""<url>
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Returns an x0.no version of <url>.
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"""
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try:
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x0url = self._getX0Url(url)
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m = irc.reply(x0url)
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if m is not None:
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m.tag('shrunken')
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except ShrinkError as e:
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irc.error(str(e))
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x0 = thread(wrap(x0, ['httpUrl']))
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@retry
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def _getExpandUrl(self, url):
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url = utils.web.urlquote(url)
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try:
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return self.db.get('Expand', url)
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except KeyError:
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text = utils.web.getUrl('http://api.longurl.org/v2/expand?url=' + url)
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text = text.decode()
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text = text.split('<![CDATA[', 1)[1].split(']]>', 1)[0]
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self.db.set('Expand', url, text)
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return text
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@internationalizeDocstring
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def expand(self, irc, msg, args, url):
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"""<url>
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Returns an expanded version of <url>.
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"""
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try:
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expandurl = self._getExpandUrl(url)
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m = irc.reply(expandurl)
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if m is not None:
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m.tag('shrunken')
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except ShrinkError as e:
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irc.error(str(e))
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expand = thread(wrap(expand, ['httpUrl']))
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Class = ShrinkUrl
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# vim:set shiftwidth=4 softtabstop=4 expandtab textwidth=79:
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