Added QMS service, integrating with Silwar's Quote DB

sso/services/qms/__init__.py

@@ -0,0 +1,91 @@
+import hashlib
+import random
+from django.db import load_backend, transaction, IntegrityError
+from sso.services import BaseService
+import settings
+
+class QMSService(BaseService):
+    """
+    QMS Class, allows registration and sign-in
+
+    """
+
+    settings = { 'require_user': False,
+                 'require_password': False,
+                 'provide_login': False }
+
+    SQL_ADD_USER = r"INSERT INTO users (ssoid, Name, passhash, salt, Email, certificate) VALUES (%s, %s, %s, %s, %s, %s)"
+    SQL_DIS_USER = r"UPDATE users SET passhash = '' WHERE ssoid = %s"
+    SQL_ENABLE_USER = r"UPDATE users SET passhash = %s, salt = %s WHERE ssoid = %s"
+    SQL_CHECK_USER = r"SELECT ssoid from users WHERE ssoid = %s"
+
+    def __init__(self):
+
+        # Use the master DB settings, bar the database name
+        backend = load_backend(settings.DATABASE_ENGINE) 
+        self._db = backend.DatabaseWrapper({
+            'DATABASE_HOST': settings.DATABASE_HOST,
+            'DATABASE_NAME': settings.QMS_DATABASE,
+            'DATABASE_OPTIONS': {},
+            'DATABASE_PASSWORD': settings.DATABASE_PASSWORD,
+            'DATABASE_PORT': settings.DATABASE_PORT,
+            'DATABASE_USER': settings.DATABASE_USER,
+            'TIME_ZONE': settings.TIME_ZONE,})
+
+        self._dbcursor = self._db.cursor()
+
+    def __del__(self):
+        self._db.close()
+        self._db = None
+
+    def _gen_salt(self):
+        return hashlib.md5("%x" % random.randint(0, 2147483647)).hexdigest()[:6]
+
+    def _gen_pwhash(self, password, salt=None):
+        if not salt:
+            salt = self._gen_salt()
+        pwhash = hashlib.md5(password).hexdigest()
+        cert = hashlib.md5('%s%s' % (pwhash, salt)).hexdigest()
+        return (pwhash, salt, cert)
+
+    def add_user(self, username, password, **kwargs):
+        """ Add a user """
+        email = kwargs['user'].email
+        pwhash, salt, cert = self._gen_pwhash(password)
+        self._dbcursor.execute(self.SQL_ADD_USER, [username, username, pwhash, salt, email, cert])
+        self._db.connection.commit()
+        return username
+
+    def check_user(self, username):
+        """ Check if the username exists """
+        self._dbcursor.execute(self.SQL_CHECK_USER, [username])
+        row = self._dbcursor.fetchone()
+        if row:
+            return True        
+        return False
+
+    def delete_user(self, uid):
+        """ Delete a user """
+        #self._dbcursor.execute(self.SQL_DEL_REV, [uid])
+        #self._dbcursor.execute(self.SQL_DEL_USER, [uid])
+        #self._db.connection.commit()
+        return True
+
+    def disable_user(self, uid):
+        """ Disable a user """
+        self._dbcursor.execute(self.SQL_DIS_USER, [uid])
+        self._db.connection.commit()
+        return True
+
+    def enable_user(self, uid, password):
+        """ Enable a user """
+        pwhash, salt = self._gen_mw_hash(password)
+        self._dbcursor.execute(self.SQL_ENABLE_USER, [pwhash, salt, uid])
+        self._db.connection.commit()
+        return True
+
+    def reset_password(self, uid, password):
+        """ Reset the user's password """
+        return self.enable_user(uid, password)        
+
+ServiceClass = 'QMSService'