mirror of
https://github.com/Hopiu/linkchecker.git
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58be481d1b
git-svn-id: https://linkchecker.svn.sourceforge.net/svnroot/linkchecker/trunk/linkchecker@123 e7d03fd6-7b0d-0410-9947-9c21f3af8025
125 lines
4.5 KiB
Python
125 lines
4.5 KiB
Python
"""
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Copyright (C) 2000 Bastian Kleineidam
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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"""
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import re,string,DNS,sys,Config,cgi,urllib,linkcheck
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from rfc822 import AddressList
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from HostCheckingUrlData import HostCheckingUrlData
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from smtplib import SMTP
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from linkcheck import _
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# regular expression for RFC2368 compliant mailto: scanning
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word = r"[-a-zA-Z0-9,./%]+"
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headers = r"\?(%s=%s(&%s=%s)*)$" % (word, word, word, word)
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headers_re = re.compile(headers)
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# parse /etc/resolv.conf (only on UNIX systems)
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DNS.ParseResolvConf()
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class MailtoUrlData(HostCheckingUrlData):
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"Url link with mailto scheme"
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def buildUrl(self):
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HostCheckingUrlData.buildUrl(self)
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self.headers = {}
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self.adresses = AddressList(self._cutout_adresses()).addresslist
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for key in ["to","cc","bcc"]:
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if self.headers.has_key(key):
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for val in self.headers[key]:
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a = urllib.unquote(val)
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self.adresses.extend(AddressList(a).addresslist)
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Config.debug("DEBUG: mailto headers: %s\n" % self.headers)
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def _cutout_adresses(self):
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mo = headers_re.search(self.urlName)
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if mo:
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self.headers = cgi.parse_qs(mo.group(1), strict_parsing=1)
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return self.urlName[7:mo.start()]
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return self.urlName[7:]
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def checkConnection(self, config):
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"""Verify a list of email adresses. If one adress fails,
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the whole list will fail.
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For each mail adress we check the following things:
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(1) Look up the MX DNS records. If we found no MX record,
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print an error.
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(2) Check if one of the mail hosts accept an SMTP connection.
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Check hosts with higher priority first.
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If no host accepts SMTP, we print a warning.
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(3) Try to verify the adress with the VRFY command. If we got
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an answer, print the verified adress as an info.
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"""
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if not self.adresses:
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self.setWarning(_("No adresses found"))
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return
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for name,mail in self.adresses:
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Config.debug("DEBUG: checking mail address %s" % mail)
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user,host = self._split_adress(mail)
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mxrecords = DNS.mxlookup(host)
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if not len(mxrecords):
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self.setError("No mail host for "+host+" found")
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return
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smtpconnect = 0
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for mxrecord in mxrecords:
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try:
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Config.debug("DEBUG: SMTP check for %s\n" % mxrecord)
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self.urlConnection = SMTP(mxrecord[1])
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smtpconnect = 1
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self.urlConnection.helo()
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info = self.urlConnection.verify(user)
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if info[0]==250:
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self.setInfo("Verified adress: "+info[1])
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except:
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type, value = sys.exc_info()[:2]
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#print type,value
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if smtpconnect: break
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if not smtpconnect:
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self.setWarning(_("None of the mail hosts for %s accepts an "
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"SMTP connection: %s") % (host, value))
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mxrecord = mxrecords[0][1]
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else:
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mxrecord = mxrecord[1]
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self.setValid(_("found mail host %s") % mxrecord)
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def _split_adress(self, adress):
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split = string.split(adress, "@", 1)
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if len(split)==2:
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if not split[1]:
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return (split[0], "localhost")
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return tuple(split)
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if len(split)==1:
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return (split[0], "localhost")
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raise linkcheck.error, _("could not split the mail adress")
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def closeConnection(self):
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try: self.urlConnection.quit()
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except: pass
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self.urlConnection = None
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def getCacheKey(self):
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return "mailto:"+str(self.adresses)
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def __str__(self):
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return "Mailto link\n"+HostCheckingUrlData.__str__(self)
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