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# -*- coding: utf-8 -*- |
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from __future__ import absolute_import, unicode_literals |
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import os |
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5
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from flask import Flask, request, abort, render_template |
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from wechatpy import parse_message, create_reply |
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from wechatpy.utils import check_signature |
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from wechatpy.exceptions import ( |
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InvalidSignatureException, |
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InvalidAppIdException, |
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) |
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# set token or get from environments |
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TOKEN = os.getenv('WECHAT_TOKEN', '123456') |
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AES_KEY = os.getenv('WECHAT_AES_KEY', '') |
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APPID = os.getenv('WECHAT_APPID', '') |
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app = Flask(__name__) |
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@app.route('/') |
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def index(): |
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host = request.url_root |
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return render_template('index.html', host=host) |
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@app.route('/wechat', methods=['GET', 'POST']) |
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def wechat(): |
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signature = request.args.get('signature', '') |
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timestamp = request.args.get('timestamp', '') |
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nonce = request.args.get('nonce', '') |
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encrypt_type = request.args.get('encrypt_type', 'raw') |
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msg_signature = request.args.get('msg_signature', '') |
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try: |
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check_signature(TOKEN, signature, timestamp, nonce) |
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except InvalidSignatureException: |
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abort(403) |
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if request.method == 'GET': |
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echo_str = request.args.get('echostr', '') |
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return echo_str |
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# POST request |
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if encrypt_type == 'raw': |
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# plaintext mode |
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msg = parse_message(request.data) |
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if msg.type == 'text': |
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reply = create_reply(msg.content, msg) |
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else: |
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reply = create_reply('Sorry, can not handle this for now', msg) |
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return reply.render() |
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else: |
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# encryption mode |
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from wechatpy.crypto import WeChatCrypto |
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crypto = WeChatCrypto(TOKEN, AES_KEY, APPID) |
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try: |
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msg = crypto.decrypt_message( |
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request.data, |
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msg_signature, |
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timestamp, |
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nonce |
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) |
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except (InvalidSignatureException, InvalidAppIdException): |
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abort(403) |
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else: |
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msg = parse_message(msg) |
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if msg.type == 'text': |
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reply = create_reply(msg.content, msg) |
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else: |
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reply = create_reply('Sorry, can not handle this for now', msg) |
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return crypto.encrypt_message(reply.render(), nonce, timestamp) |
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if __name__ == '__main__': |
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app.run('127.0.0.1', 5001, debug=True) |
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jxtech /
wechatpy
