|
1
|
|
|
from functools import wraps |
|
2
|
|
|
import ujson |
|
3
|
|
|
import time |
|
4
|
|
|
|
|
5
|
|
|
from flask import Response, request |
|
6
|
|
|
from flask_restful import Resource, abort |
|
7
|
|
|
|
|
8
|
|
|
|
|
9
|
|
|
def auth_required(fn): |
|
10
|
|
|
""" |
|
11
|
|
|
View decorator for access control. |
|
12
|
|
|
|
|
13
|
|
|
### TODO |
|
14
|
|
|
If you want to access control easily with this decorator, |
|
15
|
|
|
fill 'wrapper()' function included (1) aborting when access denied client (2) Set user object to flask.g |
|
16
|
|
|
|
|
17
|
|
|
- About custom view decorator |
|
18
|
|
|
-> http://flask-docs-kr.readthedocs.io/ko/latest/patterns/viewdecorators.html |
|
19
|
|
|
""" |
|
20
|
|
|
@wraps(fn) |
|
21
|
|
|
def wrapper(*args, **kwargs): |
|
22
|
|
|
return fn(*args, **kwargs) |
|
23
|
|
|
|
|
24
|
|
|
return wrapper |
|
25
|
|
|
|
|
26
|
|
|
|
|
27
|
|
|
def json_required(*required_keys): |
|
28
|
|
|
""" |
|
29
|
|
|
View decorator for JSON validation. |
|
30
|
|
|
|
|
31
|
|
|
- If content-type is not application/json : returns status code 406 |
|
32
|
|
|
- If required_keys are not exist on request.json : returns status code 400 |
|
33
|
|
|
|
|
34
|
|
|
:type required_keys: str |
|
35
|
|
|
""" |
|
36
|
|
|
def decorator(fn): |
|
37
|
|
|
if fn.__name__ == 'get': |
|
38
|
|
|
print('[WARN] JSON with GET method? on "{}()"'.format(fn.__qualname__)) |
|
39
|
|
|
|
|
40
|
|
|
@wraps(fn) |
|
41
|
|
|
def wrapper(*args, **kwargs): |
|
42
|
|
|
if not request.is_json: |
|
43
|
|
|
abort(406) |
|
44
|
|
|
|
|
45
|
|
|
for required_key in required_keys: |
|
46
|
|
|
if required_key not in request.json: |
|
47
|
|
|
abort(400) |
|
48
|
|
|
|
|
49
|
|
|
return fn(*args, **kwargs) |
|
50
|
|
|
return wrapper |
|
51
|
|
|
return decorator |
|
52
|
|
|
|
|
53
|
|
|
|
|
54
|
|
|
class BaseResource(Resource): |
|
55
|
|
|
""" |
|
56
|
|
|
BaseResource with some helper functions based flask_restful.Resource |
|
57
|
|
|
""" |
|
58
|
|
|
def __init__(self): |
|
59
|
|
|
self.now = time.strftime('%Y-%m-%d %H:%M:%S') |
|
60
|
|
|
|
|
61
|
|
|
@classmethod |
|
62
|
|
|
def unicode_safe_json_dumps(cls, data, status_code=200, **kwargs): |
|
63
|
|
|
""" |
|
64
|
|
|
Helper function which processes json response with unicode using ujson |
|
65
|
|
|
|
|
66
|
|
|
:type data: dict or list |
|
67
|
|
|
:type status_code: int |
|
68
|
|
|
|
|
69
|
|
|
:rtype: Response |
|
70
|
|
|
""" |
|
71
|
|
|
return Response( |
|
72
|
|
|
ujson.dumps(data, ensure_ascii=False), |
|
73
|
|
|
status_code, |
|
74
|
|
|
content_type='application/json; charset=utf8', |
|
75
|
|
|
**kwargs |
|
76
|
|
|
) |
|
77
|
|
|
|
|
78
|
|
|
|
|
79
|
|
|
class Router(object): |
|
80
|
|
|
""" |
|
81
|
|
|
REST resource routing helper class like standard flask 3-rd party libraries |
|
82
|
|
|
""" |
|
83
|
|
|
def __init__(self, app=None): |
|
84
|
|
|
if app is not None: |
|
85
|
|
|
self.init_app(app) |
|
86
|
|
|
|
|
87
|
|
|
@staticmethod |
|
88
|
|
|
def after_request(response): |
|
89
|
|
|
""" |
|
90
|
|
|
Set header - X-Content-Type-Options=nosniff, X-Frame-Options=deny before response |
|
91
|
|
|
""" |
|
92
|
|
|
response.headers['X-Content-Type-Options'] = 'nosniff' |
|
93
|
|
|
response.headers['X-Frame-Options'] = 'deny' |
|
94
|
|
|
|
|
95
|
|
|
return response |
|
96
|
|
|
|
|
97
|
|
|
def init_app(self, app): |
|
98
|
|
|
""" |
|
99
|
|
|
Routes resources. Use app.register_blueprint() aggressively |
|
100
|
|
|
""" |
|
101
|
|
|
app.after_request(self.after_request) |
|
102
|
|
|
|
|
103
|
|
|
from app.views import sample |
|
104
|
|
|
app.register_blueprint(sample.api.blueprint) |
|
105
|
|
|
|
JoMingyu /
Flask-Large-Application-Example
