fix: allow localhosts in development

Author: glasnt

appengine/analytics/app.rb

@@ -16,6 +16,13 @@
 require "sinatra"
 require "net/http"
 
+# [END gae_flex_analytics_track_event]
+# Allows all hosts in development
+configure :development do
+  set :host_authorization, { permitted_hosts: [] }
+end
+
+# [START gae_flex_analytics_track_event]
 # The following environment variable is set by app.yaml when running on GAE,
 # but will need to be manually set when running locally. See README.md.
 GA_TRACKING_ID = ENV["GA_TRACKING_ID"]

appengine/cloud-tasks/app.rb

@@ -18,6 +18,13 @@
 require "sinatra"
 require "json"
 
+# [END cloud_tasks_appengine_quickstart]
+# Allows all hosts in development
+configure :development do
+  set :host_authorization, { permitted_hosts: [] }
+end
+
+# [START cloud_tasks_appengine_quickstart]
 get "/" do
   # Basic index to verify app is serving
   "Hello World!"

appengine/datastore/app.rb

@@ -17,6 +17,13 @@
 require "sinatra"
 require "google/cloud/datastore"
 
+# [END gae_flex_datastore_app]
+# Allows all hosts in development
+configure :development do
+  set :host_authorization, { permitted_hosts: [] }
+end
+
+# [START gae_flex_datastore_app]
 get "/" do
   datastore = Google::Cloud::Datastore.new
 

appengine/hello_world/app.rb

@@ -15,6 +15,13 @@
 # [START gae_flex_quickstart]
 require "sinatra"
 
+# [END gae_flex_quickstart]
+# Allows all hosts in development
+configure :development do
+  set :host_authorization, { permitted_hosts: [] }
+end
+
+# [START gae_flex_quickstart]
 get "/" do
   "Hello world!"
 end

appengine/metadata_server/app.rb

@@ -16,6 +16,13 @@
 require "sinatra"
 require "net/http"
 
+# [END gae_flex_metadata]
+# Allows all hosts in development
+configure :development do
+  set :host_authorization, { permitted_hosts: [] }
+end
+
+# [START gae_flex_metadata]
 get "/" do
   uri = URI.parse(
     "http://metadata.google.internal/computeMetadata/v1" +

appengine/pubsub/app.rb

@@ -21,6 +21,11 @@
 
 pubsub = Google::Cloud::Pubsub.new
 
+# Allows all hosts in development
+configure :development do
+  set :host_authorization, { permitted_hosts: [] }
+end
+
 # [START gae_flex_pubsub_env]
 topic = pubsub.topic ENV["PUBSUB_TOPIC"]
 PUBSUB_VERIFICATION_TOKEN = ENV["PUBSUB_VERIFICATION_TOKEN"]

appengine/standard-metadata-server/app.rb

@@ -16,6 +16,13 @@
 require "sinatra"
 require "net/http"
 
+# [END gae_standard_metadata]
+# Allows all hosts in development
+configure :development do
+  set :host_authorization, { permitted_hosts: [] }
+end
+
+# [START gae_standard_metadata]
 get "/" do
   uri = URI.parse(
     "http://metadata.google.internal/computeMetadata/v1" +

appengine/storage/app.rb

@@ -16,6 +16,13 @@
 require "sinatra"
 require "google/cloud/storage"
 
+# [END gae_flex_storage_app]
+# Allows all hosts in development
+configure :development do
+  set :host_authorization, { permitted_hosts: [] }
+end
+
+# [START gae_flex_storage_app]
 storage = Google::Cloud::Storage.new
 bucket  = storage.bucket ENV["GOOGLE_CLOUD_STORAGE_BUCKET"]
 

appengine/twilio/app.rb

@@ -15,6 +15,11 @@
 require "sinatra"
 require "twilio-ruby"
 
+# Allows all hosts in development
+configure :development do
+  set :host_authorization, { permitted_hosts: [] }
+end
+
 TWILIO_ACCOUNT_SID = ENV["TWILIO_ACCOUNT_SID"]
 TWILIO_AUTH_TOKEN  = ENV["TWILIO_AUTH_TOKEN"]
 TWILIO_NUMBER      = ENV["TWILIO_NUMBER"]

appengine/websockets/app.rb

@@ -21,6 +21,13 @@
 
 Faye::WebSocket.load_adapter "thin"
 
+# [END gae_flex_websockets]
+# Allows all hosts in development
+configure :development do
+  set :host_authorization, { permitted_hosts: [] }
+end
+
+# [START gae_flex_websockets]
 # For the purposes of this example, use a global variable to keep track of
 # all connected clients in order to send chat messages. This approach limits
 # us to a single server and a single process; a more robust solution would be