Adding CORS

Author: JBris

Diff for: server/requirements.txt

@@ -0,0 +1,22 @@
+aiohttp==3.6.2
+aiohttp-cors==0.7.0       
+aiohttp-graphql==1.1.0    
+aniso8601==7.0.0
+async-timeout==3.0.1      
+attrs==19.3.0
+beautifulsoup4==4.8.2     
+chardet==3.0.4
+graphene==2.1.8
+graphql-core==2.3.1       
+graphql-relay==2.0.1      
+graphql-server-core==1.2.0
+gunicorn==19.9.0      
+idna==2.9
+multidict==4.7.5      
+promise==2.3
+psycopg2-binary==2.8.4
+Rx==1.6.1
+six==1.14.0
+soupsieve==2.0        
+Yapsy==1.12.2
+yarl==1.4.2

Diff for: server/routes.py

@@ -1,10 +1,19 @@
 import pathlib
 from views import index
+import aiohttp_cors
 from api.views import gqil_view, gql_view
 
 def init_routes(app):
     app.router.add_route('*', '/', index)
     app.router.add_route('*', '/graphiql', gqil_view, name='graphiql')
 
-    gql_resource = app.router.add_resource("/graphql")
+    cors = aiohttp_cors.setup(app)
+    gql_resource = cors.add(app.router.add_resource("/graphql"), {
+        "*": aiohttp_cors.ResourceOptions(
+            expose_headers="*",
+            allow_headers="*",
+            allow_credentials=True,
+            allow_methods=["POST", "PUT", "GET"]),
+    })
+
     gql_resource.add_route("POST", gql_view)

Diff for: server/setup.py

@@ -8,6 +8,7 @@
 install_requires = [
     'psycopg2-binary==2.8.4',
     'aiohttp==3.6.2',
+    'aiohttp_cors==0.7.0',
     'gunicorn==19.9.0',
     'graphql-core<3,>=2.1',
     'graphene==2.1.8',