问题描述
我使用Vue + axios + Flask并尝试在单击/ about时将Flask-CORS与jwt auth连接,但出现错误:
CORS策略已阻止从来源“ http:// localhost:8080”访问“ https://127.0.0.1:5000/about”处的XMLHttpRequest:对预检请求的响应未通过访问控制检查:它没有HTTP正常状态。
About.vue
import axios from 'axios';
export default {
created() {
axios.get("https://127.0.0.1:5000/about",{headers: { Authorization: `Bearer: ${localStorage.getItem('token')}`}})
.then(response => console.log("about!",response))
}
}
init.py
from flask import Flask
import flask_cors import CORS
fapp = Flask(__name__)
cors = CORS(fapp,resources={r'/*': {'origins': '*'}})
main.py
@fapp.route('/about')
@token_required
@cross_origin()
def about():
return jsonify({'message': 'ok'}),200
token_required
def token_required(f):
@wraps(f)
def _verify(*args,**kwargs):
auth_headers = request.headers.get('Authorization','').split()
invalid_msg = {
'message': 'Invalid token. Registeration and / or authentication required','authenticated': False
}
expired_msg = {
'message': 'Expired token. Reauthentication required.','authenticated': False
}
if len(auth_headers) != 2:
return jsonify(invalid_msg),401
try:
token = auth_headers[1]
data = jwt.decode(token,fapp.config['SECRET_KEY'])
user = Users.retrieve(None,email=data['sub'])
set_user(user)
if not user:
raise RuntimeError('User not found')
return f(*args,**kwargs)
except jwt.ExpiredSignatureError:
return jsonify(expired_msg),401
except (jwt.InvalidTokenError,Exception) as e:
return jsonify(invalid_msg),401
return _verify
根据此decision,我编辑了
@cross_origin()
到
@cross_origin(headers = ['Content-Type','Authorization'])
但这并不能解决我的问题。我在哪里错过了什么?
解决方法
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