Working auth and photo json endpoint

Signed-off-by: Kris Nóva <kris@nivenly.com>

vendor/github.com/leandro-lugaresi/hub/matching.go

@@ -0,0 +1,58 @@
+// Copyright (C) 2018 Tyler Treat <https://github.com/tylertreat>
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+
+//	http://www.apache.org/licenses/LICENSE-2.0
+
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// Modifications copyright (C) 2018 Leandro Lugaresi
+
+package hub
+
+const (
+	delimiter = "."
+	wildcard  = "*"
+)
+
+type (
+	// Subscription represents a topic subscription.
+	Subscription struct {
+		Topics     []string
+		Receiver   <-chan Message
+		subscriber subscriber
+	}
+
+	// subscriber is the interface used internally to send values and get the channel used by subscribers.
+	// This is used to override the behaviour of channel and support nonBlocking operations
+	subscriber interface {
+		// Set send the given Event to be processed by the subscriber
+		Set(Message)
+		// Ch return the channel used to consume messages inside the subscription.
+		// This func MUST always return the same channel.
+		Ch() <-chan Message
+		// Close will close the internal state and the subscriber will not receive more messages
+		// WARN: This function can be executed more than one time so the code MUST take care of this situation and
+		// avoid problems like close a closed channel.
+		Close()
+	}
+)
+
+// matcher contains topic subscriptions and performs matches on them.
+type matcher interface {
+	// Subscribe adds the Subscriber to the topics and returns a Subscription.
+	Subscribe(topics []string, sub subscriber) Subscription
+
+	// Unsubscribe removes the Subscription.
+	Unsubscribe(sub Subscription)
+
+	// Lookup returns the subscribers for the given topic.
+	Lookup(topic string) []subscriber
+
+	Subscriptions() []Subscription
+}