Club Drupal

#!/usr/bin/env python3

# This script is intended to fix the cas_user table. Just give the database name.

import argparse

from getpass import getpass

def fix_cas(db, host, user, password, prefix, roles):

    import pymysql as mysql

    while not password:

        password = getpass('Please enter the password: ')

    password = password.strip()

    conn = mysql.connect(host=host, user=user, passwd=password, db=db, charset='utf8')

    with conn:

        cur = conn.cursor()

        # We format the name of the tables according to prefix

        tables = {'users': '{}users', 'users_roles': '{}users_roles',\

                  'role': '{}role', 'cas_user': '{}cas_user'}

        for key, elt in tables.items():

            tables[key] = elt.format(prefix)

        # We take into account the roles to modify

        # If 'authenticated user' is among them, then we modify all users

        if 'authenticated user' not in roles:

            for role in roles:

                i = roles.index(role)

                roles[i] = "'" + role + "'"

            format_dict = {'roles_to_modify': ', '.join(roles)}

            # We are ready to format queries

            format_dict.update(tables)

            select = """SELECT {users}.name, {users}.uid FROM {users}

            JOIN {users_roles} ON {users_roles}.uid = {users}.uid

            JOIN {role} ON {role}.rid = {users_roles}.rid

            WHERE {role}.name IN ({roles_to_modify}) AND {users}.uid NOT IN

            (SELECT uid FROM {cas_user})

            """.format(**format_dict)

        else:

            select = """SELECT {users}.name, {users}.uid FROM {users}

            WHERE {users}.uid NOT IN (SELECT uid FROM {cas_user})""".format(**tables)

        insert = """INSERT INTO {cas_user} (uid, cas_name)

        VALUES (%s, %s)

        """.format(**tables)

        cur.execute(select)

        rows = cur.fetchall()

        for name, uid in rows:

            cur.execute(insert, (uid, name))

        conn.commit()

###### Main

parser = argparse.ArgumentParser(description='Fill the cas_user table from the users table for a specific role or all roles. Requires pymysql to query the database.')

parser.add_argument('database', metavar='database', help='name of the database to fix')

parser.add_argument('--host', dest='host', default='localhost')

parser.add_argument('--user', '-u', dest='user', default='root')

parser.add_argument('--password', '--passwd', '-p', dest='password')

parser.add_argument('--prefix', dest='prefix', default='')

parser.add_argument('--roles', '-r', dest='roles', nargs='+', default=['authenticated user'])

args = parser.parse_args()

fix_cas(args.database, args.host, args.user, args.password, args.prefix, args.roles)