127 lines
4.4 KiB
Python
127 lines
4.4 KiB
Python
#!/usr/bin/env python3
|
|
|
|
import os
|
|
import sys
|
|
import zipfile
|
|
import io # <--- 引入 io 模块，用于内存操作
|
|
from flask import Flask, request, send_file, make_response
|
|
|
|
app = Flask(__name__)
|
|
|
|
# --- 核心加解密和编码逻辑 (这部分无需改动) ---
|
|
VariantBase64Table = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/='
|
|
VariantBase64Dict = {i: VariantBase64Table[i] for i in range(len(VariantBase64Table))}
|
|
VariantBase64ReverseDict = {VariantBase64Table[i]: i for i in range(len(VariantBase64Table))}
|
|
|
|
def VariantBase64Encode(bs: bytes):
|
|
result = b''
|
|
blocks_count, left_bytes = divmod(len(bs), 3)
|
|
for i in range(blocks_count):
|
|
coding_int = int.from_bytes(bs[3 * i:3 * i + 3], 'little')
|
|
block = VariantBase64Dict[coding_int & 0x3f]
|
|
block += VariantBase64Dict[(coding_int >> 6) & 0x3f]
|
|
block += VariantBase64Dict[(coding_int >> 12) & 0x3f]
|
|
block += VariantBase64Dict[(coding_int >> 18) & 0x3f]
|
|
result += block.encode()
|
|
if left_bytes == 0:
|
|
return result
|
|
elif left_bytes == 1:
|
|
coding_int = int.from_bytes(bs[3 * blocks_count:], 'little')
|
|
block = VariantBase64Dict[coding_int & 0x3f]
|
|
block += VariantBase64Dict[(coding_int >> 6) & 0x3f]
|
|
result += block.encode()
|
|
return result
|
|
else:
|
|
coding_int = int.from_bytes(bs[3 * blocks_count:], 'little')
|
|
block = VariantBase64Dict[coding_int & 0x3f]
|
|
block += VariantBase64Dict[(coding_int >> 6) & 0x3f]
|
|
block += VariantBase64Dict[(coding_int >> 12) & 0x3f]
|
|
result += block.encode()
|
|
return result
|
|
|
|
def EncryptBytes(key: int, bs: bytes):
|
|
result = bytearray()
|
|
for i in range(len(bs)):
|
|
result.append(bs[i] ^ ((key >> 8) & 0xff))
|
|
key = result[-1] & key | 0x482D
|
|
return bytes(result)
|
|
|
|
class LicenseType:
|
|
Professional = 1
|
|
Educational = 3
|
|
Persional = 4
|
|
|
|
# --- 重构后的核心功能 ---
|
|
def GenerateLicenseInMemory(Type: LicenseType, Count: int, UserName: str, MajorVersion: int, MinorVersion: int):
|
|
"""
|
|
重构后的函数：在内存中生成许可证 ZIP 文件，并返回一个 BytesIO 对象。
|
|
不再向磁盘写入任何文件。
|
|
"""
|
|
assert Count >= 0
|
|
LicenseString = '%d#%s|%d%d#%d#%d3%d6%d#%d#%d#%d#' % (
|
|
Type, UserName, MajorVersion, MinorVersion,
|
|
Count,
|
|
MajorVersion, MinorVersion, MinorVersion,
|
|
0, 0, 0
|
|
)
|
|
EncodedLicenseString = VariantBase64Encode(EncryptBytes(0x787, LicenseString.encode())).decode()
|
|
|
|
# 1. 创建一个内存中的二进制流对象
|
|
memory_file = io.BytesIO()
|
|
|
|
# 2. 像操作普通文件一样，在内存中创建 ZIP 归档
|
|
with zipfile.ZipFile(memory_file, 'w', zipfile.ZIP_DEFLATED) as zf:
|
|
zf.writestr('Pro.key', data=EncodedLicenseString)
|
|
|
|
# 3. 将内存流的指针移到开头，以便 send_file 从头读取
|
|
memory_file.seek(0)
|
|
|
|
return memory_file
|
|
|
|
|
|
# --- 重构后的 Flask 路由 ---
|
|
@app.route('/')
|
|
def index():
|
|
"""提供一个简单的使用说明页面"""
|
|
return send_file('index.html')
|
|
|
|
|
|
@app.route('/gen')
|
|
def generate_and_download_license():
|
|
"""
|
|
一个统一的路由，处理参数、生成许可证并直接提供下载。
|
|
"""
|
|
# 1. 获取和验证参数
|
|
name = request.args.get('name')
|
|
version = request.args.get('ver')
|
|
|
|
if not name or not version:
|
|
return make_response("错误：必须提供 'name' 和 'ver' 参数 (例如: /gen?name=MyName&ver=25.2)", 400)
|
|
|
|
try:
|
|
count = int(request.args.get('count', '1'))
|
|
MajorVersion, MinorVersion = version.split('.')[0:2]
|
|
MajorVersion = int(MajorVersion)
|
|
MinorVersion = int(MinorVersion)
|
|
except (ValueError, IndexError):
|
|
return make_response("错误：版本号 'ver' 格式不正确，应为 '主版本号.次版本号' (例如: 25.2)", 400)
|
|
|
|
# 2. 在内存中生成许可证文件
|
|
license_file_stream = GenerateLicenseInMemory(
|
|
LicenseType.Professional, count, name, MajorVersion, MinorVersion
|
|
)
|
|
|
|
# 3. 使用 send_file 直接发送内存中的文件流
|
|
return send_file(
|
|
license_file_stream,
|
|
mimetype='application/zip',
|
|
as_attachment=True,
|
|
download_name='Custom.mxtpro' # <--- 使用了正确的参数名
|
|
)
|
|
|
|
|
|
if __name__ == '__main__':
|
|
# 建议开启 debug=True 进行开发调试，部署时设为 False
|
|
app.run(host='0.0.0.0', port=5000, debug=True)
|
|
|