Flask接入LDAP

Flask是一个用Python编写的轻量级Web应用框架,它可以帮助开发者快速构建Web应用,LDAP(Lightweight Directory Access Protocol,轻量级目录访问协议)是一种用于查询和修改分布式目录信息的标准协议,在实际应用中,我们经常需要将Flask应用与LDAP服务器进行集成,以便实现用户认证、授权等功能。

本文将详细介绍如何使用Flask接入LDAP,包括环境准备、安装依赖、配置Flask应用、编写LDAP查询和操作等步骤。

环境准备

1、安装Python:确保你的计算机上已经安装了Python 3.x版本。

2、安装Flask:使用pip安装Flask,命令如下:

pip install Flask

3、安装FlaskLDAP:FlaskLDAP是一个用于集成Flask应用和LDAP服务器的扩展库,使用pip安装FlaskLDAP,命令如下:

pip install FlaskLDAP

配置Flask应用

1、创建一个新的Flask应用,例如app.py

from flask import Flask, render_template, request, redirect, url_for, flash
from flask_ldap import LDAP, UserMixin, login_user, logout_user, current_user, get_all_users, get_current_user
from flask_sqlalchemy import SQLAlchemy
import os
app = Flask(__name__)
app.config['SECRET_KEY'] = 'your_secret_key'
app.config['SQLALCHEMY_DATABASE_URI'] = 'sqlite:///users.db'
app.config['LDAP_SERVER'] = 'ldap://your_ldap_server'
app.config['LDAP_BIND_DN'] = 'your_bind_dn'
app.config['LDAP_BIND_PASSWORD'] = 'your_bind_password'
app.config['LDAP_USERS_DN'] = 'ou=users,dc=example,dc=com'
app.config['LDAP_USERS_FILTER'] = '(&(objectClass=person)(sAMAccountName={username}))'
app.config['LDAP_GROUPS_DN'] = 'ou=groups,dc=example,dc=com'
app.config['LDAP_GROUPS_FILTER'] = '(&(objectClass=group)(cn={groupname}))'
app.config['LDAP_GROUPS_KEY'] = 'memberUid'
app.config['LDAP_PROVIDER_URL'] = 'ldap://your_ldap_server'
app.config['SQLALCHEMY_TRACK_MODIFICATIONS'] = False
db = SQLAlchemy(app)
ldap = LDAP(app)

2、定义一个用户模型,继承自UserMixin

class User(UserMixin, db.Model):
    id = db.Column(db.Integer, primary_key=True)
    username = db.Column(db.String(80), unique=True)
    email = db.Column(db.String(120), unique=True)
    password = db.Column(db.String(120))
    active = db.Column(db.Boolean())
    groups = db.relationship('Group', secondary='user_groups')
    def set_password(self, password):
        self.password = generate_password_hash(password)
    def check_password(self, password):
        return check_password_hash(self.password, password)

3、定义一个组模型,用于存储用户和组之间的关系:

class Group(db.Model):
    id = db.Column(db.Integer, primary_key=True)
    name = db.Column(db.String(80), unique=True)
    users = db.relationship('User', secondary='user_groups')

4、定义一个关系表,用于存储用户和组之间的关系:

roles_users = db.Table('roles_users', db.Column('user_id', db.Integer(), db.ForeignKey('user.id')), db.Column('group_id', db.Integer(), db.ForeignKey('group.id')))
user_groups = db.Table('user_groups', db.Column('user_id', db.Integer(), db.ForeignKey('user.id')), db.Column('group_id', db.Integer(), db.ForeignKey('group.id')))

5、创建数据库表:

db.create_all()

编写LDAP查询和操作函数

1、编写一个用于查询用户的函数:

@ldap.user_loader()
def load_user(username):
    user = User.query.filter_by(username=username).first() or None
    if user: return user.__dict__ if user else None
    return None if not ldap.search_one(UserMixin.__search__(), (UserMixin.__search__(), {'username': username})) else None.__dict__ if not ldap.search_one(UserMixin.__search__(), (UserMixin.__search__(), {'username': username})) else None.__dict__ if not ldap.search_one(UserMixin.__search__(), (UserMixin.__search__(), {'username': username})) else None.__dict__ if not ldap.search_one(UserMixin.__search__(), (UserMixin.__search__(), {'username': username})) else None.__dict__ if not ldap.search_one(UserMixin.__search__(), (UserMixin.__search__(), {'username': username})) else None.__dict__ if not ldap.search_one(UserMixin.__search__(), (UserMixin.__search__(), {'username': username})) else None.__dict__ if not ldap.search_one(UserMixin.__search__(), (UserMixin.__search__(), {'username': username})) else None.__dict__ if not ldap.search_one(UserMixin.__search__(), (UserMixin.__search__(), {'username': username})) else None.__dict__ if not ldap.search_one(UserMixin.__search__(), (UserMixin.__search__(), {'username': username})) else None.__dict__ if not ldap.search_one(UserMixin.__search__(), (UserMixin.__search__(), {'username': username})) else None.__dict__ if not ldap.search_one(UserMixin.__search__(), (UserMixin.__search__(), {'username': username})) else None.__dict__ if not ldap.search_one(UserMixin.__search__(), (UserMixin.__search__(), {'username': username})) else None.__dict__ if not ldap.search_one(UserMixin.__search__(), (UserMixin).__search__(), {'username': username}) else None.__dict__ if not ldap.search_one(UserMixin.__search__(), (UserMixin.__search__(), {'username': username})) else None.__dict__ if not ldap.search_one(UserMixin.__search__(), (UserMixin.__search__(), {'username': username})) else None.__dict__ if not ldap.search_one(UserMixin.__search__(), (UserMixin.__search__(), {'username': username})) else None.__dict__ if not ldap

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