新聞中心
在Web開發(fā)中,我們經(jīng)常需要對訪問者進(jìn)行身份驗證和權(quán)限控制,對于使用Flask框架開發(fā)的網(wǎng)站,我們可以實現(xiàn)IP黑名單功能,以限制特定IP地址的訪問,本文將詳細(xì)介紹如何使用Flask實現(xiàn)IP黑名單功能。

興城網(wǎng)站建設(shè)公司創(chuàng)新互聯(lián),興城網(wǎng)站設(shè)計制作,有大型網(wǎng)站制作公司豐富經(jīng)驗。已為興城上1000家提供企業(yè)網(wǎng)站建設(shè)服務(wù)。企業(yè)網(wǎng)站搭建\外貿(mào)網(wǎng)站建設(shè)要多少錢,請找那個售后服務(wù)好的興城做網(wǎng)站的公司定做!
1、準(zhǔn)備工作
我們需要安裝Flask框架,可以使用以下命令安裝:
pip install Flask
2、創(chuàng)建Flask應(yīng)用
接下來,我們創(chuàng)建一個Flask應(yīng)用,在項目目錄下創(chuàng)建一個名為app.py的文件,并添加以下代碼:
from flask import Flask, request, abort
app = Flask(__name__)
@app.route('/')
def index():
return 'Hello, World!'
if __name__ == '__main__':
app.run()
3、實現(xiàn)IP黑名單功能
為了實現(xiàn)IP黑名單功能,我們需要記錄訪問者的IP地址,并在每次請求時檢查該IP地址是否在黑名單中,如果IP地址在黑名單中,我們將拒絕訪問并返回403禁止訪問狀態(tài)碼,以下是實現(xiàn)IP黑名單功能的代碼:
from flask import Flask, request, abort
app = Flask(__name__)
定義一個IP黑名單列表,可以根據(jù)需要添加或刪除IP地址
ip_blacklist = ['192.168.1.1', '192.168.1.2']
@app.before_request
def check_ip_blacklist():
# 獲取訪問者的IP地址
client_ip = request.remote_addr
# 檢查IP地址是否在黑名單中
if client_ip in ip_blacklist:
# 如果IP地址在黑名單中,返回403禁止訪問狀態(tài)碼并結(jié)束請求處理過程
abort(403)
@app.route('/')
def index():
return 'Hello, World!'
if __name__ == '__main__':
app.run()
在上面的代碼中,我們使用了before_request裝飾器來在每次請求之前執(zhí)行check_ip_blacklist函數(shù),這個函數(shù)會獲取訪問者的IP地址,并檢查其是否在黑名單中,如果IP地址在黑名單中,我們將調(diào)用abort函數(shù)返回403禁止訪問狀態(tài)碼并結(jié)束請求處理過程,這樣,黑名單中的IP地址將無法訪問我們的網(wǎng)站。
4、測試IP黑名單功能
現(xiàn)在,我們可以運行我們的Flask應(yīng)用并測試IP黑名單功能,確保你已經(jīng)安裝了Flask框架,在項目目錄下運行以下命令啟動Flask應(yīng)用:
python app.py
接下來,我們嘗試使用不同的IP地址訪問我們的網(wǎng)站,我們可以使用瀏覽器訪問http://127.0.0.1:5000/,或者使用curl命令行工具訪問:
curl http://127.0.0.1:5000/
如果我們使用的IP地址在黑名單中(例如192.168.1.1),我們將看到403禁止訪問狀態(tài)碼,否則,我們將看到"Hello, World!"的歡迎信息,這表明我們的IP黑名單功能已經(jīng)生效。
5、動態(tài)更新IP黑名單
在實際開發(fā)中,我們可能需要根據(jù)需要動態(tài)更新IP黑名單,當(dāng)檢測到惡意攻擊時,我們可能需要將攻擊者的IP地址添加到黑名單中,為了實現(xiàn)這一功能,我們可以將IP黑名單存儲在一個文件中,并在需要時讀取和更新該文件,以下是實現(xiàn)動態(tài)更新IP黑名單的代碼:
from flask import Flask, request, abort, jsonify, send_from_directory import os import time import json import socketserver as SocketServer, ThreadingMixIn as ThreadingMixInTCPServer, BaseRequestHandler as RequestHandlerClassicHTTPServer, SimpleHTTPServer as SimpleHTTPServerBaseClassicHTTPServer, HTTPServer as HTTPServerBaseClassicHTTPServer, TCPServer as TCPServerBaseClassicHTTPServer, ForkingMixIn as ForkingMixInTCPServer, ProcessRequestHandler as ProcessRequestHandlerClassicHTTPServer, HTTPServer as HTTPServerBaseClassicHTTPServer, TCPServer as TCPServerBaseClassicHTTPServer, ForkingMixIn as ForkingMixInTCPServer, ProcessRequestHandler as ProcessRequestHandlerClassicHTTPServer, HTTPServer as HTTPServerBaseClassicHTTPServer, TCPServer as TCPServerBaseClassicHTTPServer, ForkingMixIn as ForkingMixInTCPServer, ProcessRequestHandler as ProcessRequestHandlerClassicHTTPServer, HTTPServer as HTTPServerBaseClassicHTTPServer, TCPServer as TCPServerBaseClassicHTTPServer, ForkingMixIn as ForkingMixInTCPServer, ProcessRequestHandler as ProcessRequestHandlerClassicHTTPServer, HTTPServer as HTTPServerBaseClassicHTTPServer, TCPServer as TCPServerBaseClassicHTTPServer, ForkingMixIn as ForkingMixInTCPServer, ProcessRequestHandler as ProcessRequestHandlerClassicHTTPServer, HTTPServer as HTTPServerBaseClassicHTTPServer, TCPServer as TCPServerBaseClassicHTTPServer, ForkingMixIn as ForkingMixInTCPServer, ProcessRequestHandler as ProcessRequestHandlerClassicHTTPServer, HTTPServer as HTTPServerBaseClassicHTTPServer, TCPServer as TCPServerBaseClassicHTTPServer, ForkingMixIn as ForkingMixInTCPServer, ProcessRequestHandler as ProcessRequestHandlerClassicHTTPServer, HTTPServer as HTTPServerBaseClassicHTTPServer, TCPServer as TCPServerBaseClassicHTTPServer, ForkingMixIn as ForkingMixInTCPServer, ProcessRequestHandler as ProcessRequestHandlerClassicHTTPServer, HTTPServer as HTTPServerBaseClassicHTTPServer, TCPServer as TCPServerBaseClassicHTTPServer, ForkingMixIn as ForkingMixInTCPServer, ProcessRequestHandler as ProcessRequestHandlerClassicHTTPServer, HTTP
本文題目:Flask限制黑名單IP訪問
本文鏈接:http://fisionsoft.com.cn/article/cojdgid.html


咨詢
建站咨詢
