- separated password and domain logic into package gvadm

git-svn-id: file:///home/www/usr01/svn/gnuviechadmin/gnuviech.info/gnuviechadmin/trunk@121 a67ec6bc-e5d5-0310-a910-815c51eb3124

backend/gvadm/DomainTools.py

@@ -0,0 +1,30 @@
+#!/usr/bin/env python
+
+import psycopg
+import Settings
+
+class InvalidDomain(Exception):
+  """This Exception is thrown if an invalid domain is used."""
+  def __init__(self, domain):
+    self.domain = domain
+  
+  def __str__(self):
+    return repr("Invalid domain %s" % (self.domain))
+
+def validate_domain(domain):
+  """This function validates whether the given domain is allowed.
+  That means that the domain needs to be registered in the database.
+  
+  If the domain is invalid InvalidDomain is raised."""
+  cnx = psycopg.connect("user=%(dbuser)s password=%(dbpassword)s dbname=%(dbname)s" % Settings.dbsettings)
+  cr = cnx.cursor()
+
+  cr.execute("SELECT * FROM domain WHERE domainname=%(name)s" %
+             {'name': psycopg.QuotedString(domain)})
+  cnx.commit()
+
+  result = cr.fetchall()
+  if (not result):
+    raise InvalidDomain(domain)
+
+

backend/gvadm/PasswordTools.py

@@ -0,0 +1,25 @@
+#!/usr/bin/env python
+
+import crypt, crack, popen2, random
+
+def generate_password():
+	(o, i, e) = popen2.popen3("apg -n 1 -m 8 -x 12 -a 0")
+
+	return "".join(o.readlines()).strip()
+
+def check_password(password):
+	try:
+		return crack.VeryFascistCheck(password)
+	except ValueError, ve:
+		print "Weak password:", ve
+		return None
+
+def md5_crypt_password(password):
+	salt = "".join([chr(letter) for letter in random.sample(range(ord('a'), ord('z')), 8)])
+ 
+	return crypt.crypt(password, '$1$' + salt)
+
+if __name__ == '__main__':
+	print check_password("test")
+	print generate_password()
+	print md5_crypt_password("test")

backend/gvadm/Settings.py

@@ -0,0 +1,5 @@
+#!/usr/bin/env python
+
+dbsettings = { 'dbuser': 'exim4',
+               'dbpassword' : 'CotOgigmeIk5',
+	       'dbname' : 'gnuviechadmin' }

backend/gvadm/__init__.py

@@ -0,0 +1,6 @@
+#!/usr/bin/env python
+
+"""This package contains classes for the gnuviech administration tool
+backend."""
+
+