一键添加waf

import os
import shutil

# 定义WAF相关代码字符串
waf_code = """
require_once('CTF_WAF.php');
"""

# 定义目标目录，可根据实际情况修改
target_directory = r'D:\awdworkspace\web'

# 检查并创建备份目录
backup_dir = os.path.join(target_directory, 'backup')
if not os.path.exists(backup_dir):
    os.makedirs(backup_dir)

# 常见编码列表，可根据实际情况增加更多编码尝试
common_encodings = ['utf-8', 'gbk', 'latin1', 'utf-16']

# 遍历目标目录及其子目录下的所有文件
for root, dirs, files in os.walk(target_directory):
    for file in files:
        if file.endswith('.php'):
            file_path = os.path.join(root, file)
            backup_file_path = os.path.join(backup_dir, file)
            # 判断源文件和目标文件路径是否相同，相同则跳过备份操作
            if file_path == backup_file_path:
                continue
            # 备份文件
            shutil.copy2(file_path, backup_file_path)

            content = None
            for encoding in common_encodings:
                try:
                    with open(file_path, 'r', encoding=encoding) as php_file:
                        content = php_file.readlines()
                    break
                except UnicodeDecodeError:
                    continue

            if content is None:
                print(f"无法以常见编码解析文件 {file_path}，跳过该文件")
                continue

            new_content = []
            inserted_waf = False
            for line in content:
                new_content.append(line)
                if '<?php' in line:
                    new_content.append(waf_code + '\n')
                    inserted_waf = True

            if inserted_waf:
                with open(file_path, 'w', encoding=encoding) as php_file:
                    php_file.writelines(new_content)
            else:
                # 文件中不存在<?php，直接将原内容写回文件
                with open(file_path, 'w', encoding=encoding) as php_file:
                    php_file.writelines(content)