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#--depends-on commands
#--depends-on config
import re
from src import ModuleManager, utils
URL_BITLYSHORTEN = "https://api-ssl.bitly.com/v3/shorten"
class Module(ModuleManager.BaseModule):
def on_load(self):
setting = utils.OptionsSetting([], "url-shortener",
"Set URL shortener service",
options_factory=self._shorturl_options_factory)
self.exports.add("channelset", setting)
self.exports.add("serverset", setting)
self.exports.add("botset", setting)
def _shorturl_options_factory(self):
shorteners = set(self.exports.find("shorturl-s-"))
shorteners.update(self.exports.find("shorturl-x-"))
return sorted(s.split("-", 2)[-1] for s in shorteners)
def _get_shortener(self, name):
extended = self.exports.get("shorturl-x-%s" % name, None)
if not extended == None:
return True, extended
return False, self.exports.get("shorturl-s-%s" % name, None)
def _call_shortener(self, server, context, shortener_name, url):
extended, shortener = self._get_shortener(shortener_name)
if shortener == None:
return None
if extended:
short_url = shortener(server, context, url)
else:
short_url = shortener(url)
if short_url == None:
return None
return short_url
@utils.export("shorturl-any")
def _shorturl_any(self, url):
return self._call_shortener(server, None, "bitly", url) or url
@utils.export("shorturl")
def _shorturl(self, server, url, context=None):
shortener_name = None
if context:
shortener_name = context.get_setting("url-shortener",
server.get_setting("url-shortener", "bitly"))
else:
shortener_name = server.get_setting("url-shortener", "bitly")
if shortener_name == None:
return url
return self._call_shortener(
server, context, shortener_name, url) or url
@utils.export("shorturl-s-bitly")
def _bitly(self, url):
if len(url) < 22:
return None
access_token = self.bot.config.get("bitly-api-key", None)
if access_token:
page = utils.http.request(URL_BITLYSHORTEN, get_params={
"access_token": access_token, "longUrl": url}).json()
if page["data"]:
return page["data"]["url"]
return None
def _find_url(self, target, args):
url = None
if args:
url = args[0]
if not re.match(utils.http.REGEX_URL, url):
url = "http://%s" % url
else:
url = target.buffer.find(utils.http.REGEX_URL)
if url:
url = utils.http.url_sanitise(url.match)
if not url:
raise utils.EventError("No URL provided/found.")
return url
@utils.hook("received.command.shorten")
def shorten(self, event):
"""
:help: Shorten a given URL
:usage: <url>
"""
url = self._find_url(event["target"], event["args_split"])
event["stdout"].write("Shortened URL: %s" % self._shorturl(
event["server"], url, context=event["target"]))
@utils.hook("received.command.unshorten")
def unshorten(self, event):
url = self._find_url(event["target"], event["args_split"])
try:
response = utils.http.request(url, method="HEAD",
allow_redirects=False)
except:
response = None
if response and "location" in response.headers:
event["stdout"].write("Unshortened: %s" %
response.headers["location"])
else:
event["stderr"].write("Failed to unshorten URL")
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