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Flask接入LDAP

Flask是一個用Python編寫的輕量級Web應(yīng)用框架,它可以幫助開發(fā)者快速構(gòu)建Web應(yīng)用,LDAP(Lightweight Directory Access Protocol,輕量級目錄訪問協(xié)議)是一種用于查詢和修改分布式目錄信息的標(biāo)準(zhǔn)協(xié)議,在實際應(yīng)用中,我們經(jīng)常需要將Flask應(yīng)用與LDAP服務(wù)器進行集成,以便實現(xiàn)用戶認(rèn)證、授權(quán)等功能。

本文將詳細(xì)介紹如何使用Flask接入LDAP,包括環(huán)境準(zhǔn)備、安裝依賴、配置Flask應(yīng)用、編寫LDAP查詢和操作等步驟。

環(huán)境準(zhǔn)備

1、安裝Python:確保你的計算機上已經(jīng)安裝了Python 3.x版本。

2、安裝Flask:使用pip安裝Flask,命令如下:

pip install Flask

3、安裝FlaskLDAP:FlaskLDAP是一個用于集成Flask應(yīng)用和LDAP服務(wù)器的擴展庫,使用pip安裝FlaskLDAP,命令如下:

pip install FlaskLDAP

配置Flask應(yīng)用

1、創(chuàng)建一個新的Flask應(yīng)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、定義一個用戶模型,繼承自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、定義一個組模型,用于存儲用戶和組之間的關(guān)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、定義一個關(guān)系表,用于存儲用戶和組之間的關(guān)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、創(chuàng)建數(shù)據(jù)庫表:

db.create_all()

編寫LDAP查詢和操作函數(shù)

1、編寫一個用于查詢用戶的函數(shù):

@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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