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Flask-SimpleLDAP

Build Status

Flask-SimpleLDAP provides LDAP authentication for Flask.

Quickstart

First, install Flask-SimpleLDAP:

$ pip install flask-simpleldap

Flask-SimpleLDAP depends, and will install for you, recent versions of Flask (0.12.4 or later) and pyldap. Flask-SimpleLDAP is compatible with and tested on Python 3.5, 3.6 and 3.7.

Next, add a LDAP instance to your code and at least the three required configuration options:

from flask import Flask
from flask_simpleldap import LDAP

app = Flask(__name__)
app.config['LDAP_BASE_DN'] = 'OU=users,dc=example,dc=org'
app.config['LDAP_USERNAME'] = 'CN=user,OU=Users,DC=example,DC=org'
app.config['LDAP_PASSWORD'] = 'password'

ldap = LDAP(app)


@app.route('/ldap')
@ldap.login_required
def ldap_protected():
    return 'Success!'


if __name__ == '__main__':
    app.run()

You can take a look at examples/groups for a more complete example using LDAP groups.

You can also take a look at examples/blueprints for an example using Flask's application factories and blueprints.

OpenLDAP

Add the LDAP instance to your code and depending on your OpenLDAP configuration, add the following at least LDAP_USER_OBJECT_FILTER and LDAP_USER_OBJECT_FILTER.

from flask import Flask
from flask_simpleldap import LDAP

app = Flask(__name__)

# Base
app.config['LDAP_REALM_NAME'] = 'OpenLDAP Authentication'
app.config['LDAP_HOST'] = 'openldap.example.org'
app.config['LDAP_BASE_DN'] = 'dc=users,dc=openldap,dc=org'
app.config['LDAP_USERNAME'] = 'cn=user,ou=servauth-users,dc=users,dc=openldap,dc=org'
app.config['LDAP_PASSWORD'] = 'password'

# OpenLDAP 
app.config['LDAP_OBJECTS_DN'] = 'dn'
app.config['LDAP_OPENLDAP'] = True
app.config['LDAP_USER_OBJECT_FILTER'] = '(&(objectclass=inetOrgPerson)(uid=%s))'

# Groups
app.config['LDAP_GROUP_MEMBERS_FIELD'] = "uniquemember"
app.config['LDAP_GROUP_OBJECT_FILTER'] = "(&(objectclass=groupOfUniqueNames)(cn=%s))"
app.config['LDAP_GROUP_MEMBER_FILTER'] = "(&(cn=*)(objectclass=groupOfUniqueNames)(uniquemember=%s))"
app.config['LDAP_GROUP_MEMBER_FILTER_FIELD'] = "cn"

ldap = LDAP(app)


@app.route('/ldap')
@ldap.login_required
def ldap_protected():
    return 'Success!'


if __name__ == '__main__':
    app.run()

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