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Allow cross origin requests in debug mode

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This commit is contained in:
Michal Szczepanski 2020-03-14 15:02:32 +01:00
parent a277c603cb
commit ca4ec8c68d
2 changed files with 56 additions and 6 deletions
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2
playlistcast/config.py
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@ -2,6 +2,6 @@
# -*- coding: utf-8 -*-
"""Store static configuration parameters"""
DEBUG = False
DEBUG = True
PORT = 9666
HOST = '0.0.0.0'

60
server.py
View File

@ -24,6 +24,56 @@ from tornadoql.tornadoql import GraphQLSubscriptionHandler, GraphQLHandler, Grap
STATIC_PATH = os.path.abspath('frontend/build')
LOG = logging.getLogger('playlistcast')
ALLOWED_HEADERS = ("content-type",)
class GQLSubscriptionHandler(GraphQLSubscriptionHandler):
def set_default_headers(self):
origin = self.request.headers.get("Origin")
method = self.request.headers.get("Access-Control-Request-Method")
header = self.request.headers.get("Access-Control-Request-Headers")
print(f"RequestHandler {method} - {origin} - {header}")
# here can restrict origin - ex for throtling
if config.DEBUG and origin:
self.set_header("Access-Control-Allow-Origin", origin)
if config.DEBUG and method:
self.set_header("Access-Control-Allow-Method", method)
if header in ALLOWED_HEADERS:
self.set_header("Access-Control-Expose-Headers", header)
self.set_header("Access-Control-Allow-Headers", header)
def check_origin(self, origin):
if config.DEBUG:
return True
return False
class GQLHandler(GraphQLHandler):
def set_default_headers(self):
origin = self.request.headers.get("Origin")
method = self.request.headers.get("Access-Control-Request-Method")
header = self.request.headers.get("Access-Control-Request-Headers")
print(f"RequestHandler {method} - {origin} - {header}")
# here can restrict origin - ex for throtling
if config.DEBUG and origin:
self.set_header("Access-Control-Allow-Origin", origin)
if config.DEBUG and method:
self.set_header("Access-Control-Allow-Method", method)
if header in ALLOWED_HEADERS:
self.set_header("Access-Control-Expose-Headers", header)
self.set_header("Access-Control-Allow-Headers", header)
class GiQLHandler(GraphiQLHandler):
def set_default_headers(self):
origin = self.request.headers.get("Origin")
method = self.request.headers.get("Access-Control-Request-Method")
header = self.request.headers.get("Access-Control-Request-Headers")
print(f"RequestHandler {method} - {origin} - {header}")
# here can restrict origin - ex for throtling
if config.DEBUG and origin:
self.set_header("Access-Control-Allow-Origin", origin)
if config.DEBUG and method:
self.set_header("Access-Control-Allow-Method", method)
if header in ALLOWED_HEADERS:
self.set_header("Access-Control-Expose-Headers", header)
self.set_header("Access-Control-Allow-Headers", header)
class IndexHandler(tornado.web.RequestHandler):
"""Serve index.html"""
@ -38,8 +88,8 @@ class ConfigHandler(tornado.web.RequestHandler):
"""Serve config.js"""
# pylint: disable=W0223
def get(self):
# uri = f'{util.get_ip()}:{config.PORT}'
uri = f'localhost:{config.PORT}'
uri = f'{util.get_ip()}:{config.PORT}'
# uri = f'localhost:{config.PORT}'
resp = 'window.playlistcast = {};window.playlistcast.uri = "%s";'% uri
self.finish(resp)
@ -56,12 +106,12 @@ if __name__ == '__main__':
# server
SCHEMA = graphene.Schema(query=Query, mutation=Mutation, subscription=Subscription)
ENDPOINTS = [
(r'/subscriptions', GraphQLSubscriptionHandler, dict(opts=dict(sockets=[],
(r'/subscriptions', GQLSubscriptionHandler, dict(opts=dict(sockets=[],
subscriptions={}),
schema=SCHEMA)),
(r'/config.js', ConfigHandler),
(r'/graphql', GraphQLHandler, dict(schema=SCHEMA)),
(r'/graphiql', GraphiQLHandler),
(r'/graphql', GQLHandler, dict(schema=SCHEMA)),
(r'/graphiql', GiQLHandler),
(r'/static/(.*)', tornado.web.StaticFileHandler, {'path': STATIC_PATH}),
(r'/', IndexHandler),
(r'/resource/(.*)', browse.BrowseResourceHandler),