imapserver: minor code cleaning: reorder methods
Signed-off-by: Nicolas Sebrecht <nicolas.s-dev@laposte.net>
This commit is contained in:
Nicolas Sebrecht
parent
7da576e2be
commit
c0f4fa44eb
@ -172,26 +172,6 @@ class IMAPServer(object):
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self.passworderror = None
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return self.password
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def releaseconnection(self, connection, drop_conn=False):
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"""Releases a connection, returning it to the pool.
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:param drop_conn: If True, the connection will be released and
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not be reused. This can be used to indicate broken connections."""
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if connection is None:
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return # Noop on bad connection.
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self.connectionlock.acquire()
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self.assignedconnections.remove(connection)
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# Don't reuse broken connections
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if connection.Terminate or drop_conn:
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connection.logout()
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else:
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self.availableconnections.append(connection)
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self.connectionlock.release()
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self.semaphore.release()
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def __md5handler(self, response):
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challenge = response.strip()
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self.ui.debug('imap', '__md5handler: got challenge %s'% challenge)
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@ -207,7 +187,6 @@ class IMAPServer(object):
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self.ui.debug('imap', 'Attempting IMAP LOGIN authentication')
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imapobj.login(self.username, self.__getpassword())
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def __plainhandler(self, response):
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"""Implements SASL PLAIN authentication, RFC 4616,
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http://tools.ietf.org/html/rfc4616"""
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@ -225,7 +204,6 @@ class IMAPServer(object):
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self.ui.debug('imap', '__plainhandler: returning %s'% logsafe_retval)
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return retval
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def __xoauth2handler(self, response):
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if self.oauth2_refresh_token is None \
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and self.oauth2_access_token is None:
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@ -304,7 +282,6 @@ class IMAPServer(object):
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response = ''
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return base64.b64decode(response)
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def __start_tls(self, imapobj):
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if 'STARTTLS' in imapobj.capabilities and not self.usessl:
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self.ui.debug('imap', 'Using STARTTLS connection')
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@ -315,7 +292,6 @@ class IMAPServer(object):
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"TLS connection: %s"% str(e),
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OfflineImapError.ERROR.REPO, None, exc_info()[2])
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## All __authn_* procedures are helpers that do authentication.
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## They are class methods that take one parameter, IMAP object.
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##
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@ -375,7 +351,6 @@ class IMAPServer(object):
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self.__loginauth(imapobj)
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return True
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def __authn_helper(self, imapobj):
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"""Authentication machinery for self.acquireconnection().
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@ -447,8 +422,45 @@ class IMAPServer(object):
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", ".join(self.authmechs), methods),
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OfflineImapError.ERROR.REPO)
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def __verifycert(self, cert, hostname):
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"""Verify that cert (in socket.getpeercert() format) matches hostname.
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CRLs are not handled.
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Returns error message if any problems are found and None on success."""
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errstr = "CA Cert verifying failed: "
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if not cert:
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return ('%s no certificate received'% errstr)
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dnsname = hostname.lower()
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certnames = []
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# cert expired?
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notafter = cert.get('notAfter')
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if notafter:
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if time.time() >= cert_time_to_seconds(notafter):
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return '%s certificate expired %s'% (errstr, notafter)
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# First read commonName
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for s in cert.get('subject', []):
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key, value = s[0]
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if key == 'commonName':
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certnames.append(value.lower())
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if len(certnames) == 0:
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return ('%s no commonName found in certificate'% errstr)
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# Then read subjectAltName
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for key, value in cert.get('subjectAltName', []):
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if key == 'DNS':
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certnames.append(value.lower())
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# And finally try to match hostname with one of these names
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for certname in certnames:
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if (certname == dnsname or
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'.' in dnsname and certname == '*.' + dnsname.split('.', 1)[1]):
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return None
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return ('%s no matching domain name found in certificate'% errstr)
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# XXX: move above, closer to releaseconnection()
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def acquireconnection(self):
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"""Fetches a connection from the pool, making sure to create a new one
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if needed, to obey the maximum connection limits, etc.
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@ -694,44 +706,25 @@ class IMAPServer(object):
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self.ui.debug('imap', 'keepalive: event is set; exiting')
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return
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def __verifycert(self, cert, hostname):
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"""Verify that cert (in socket.getpeercert() format) matches hostname.
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CRLs are not handled.
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Returns error message if any problems are found and None on success."""
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def releaseconnection(self, connection, drop_conn=False):
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"""Releases a connection, returning it to the pool.
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errstr = "CA Cert verifying failed: "
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if not cert:
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return ('%s no certificate received'% errstr)
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dnsname = hostname.lower()
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certnames = []
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:param drop_conn: If True, the connection will be released and
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not be reused. This can be used to indicate broken connections."""
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# cert expired?
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notafter = cert.get('notAfter')
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if notafter:
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if time.time() >= cert_time_to_seconds(notafter):
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return '%s certificate expired %s'% (errstr, notafter)
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if connection is None:
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return # Noop on bad connection.
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# First read commonName
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for s in cert.get('subject', []):
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key, value = s[0]
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if key == 'commonName':
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certnames.append(value.lower())
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if len(certnames) == 0:
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return ('%s no commonName found in certificate'% errstr)
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# Then read subjectAltName
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for key, value in cert.get('subjectAltName', []):
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if key == 'DNS':
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certnames.append(value.lower())
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# And finally try to match hostname with one of these names
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for certname in certnames:
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if (certname == dnsname or
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'.' in dnsname and certname == '*.' + dnsname.split('.', 1)[1]):
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return None
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return ('%s no matching domain name found in certificate'% errstr)
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self.connectionlock.acquire()
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self.assignedconnections.remove(connection)
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# Don't reuse broken connections
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if connection.Terminate or drop_conn:
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connection.logout()
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else:
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self.availableconnections.append(connection)
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self.connectionlock.release()
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self.semaphore.release()
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class IdleThread(object):
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