src: Add DMA localagent

[barometer.git] / src / dma / vendor / github.com / streadway / amqp / auth.go

diff --git a/src/dma/vendor/github.com/streadway/amqp/auth.go b/src/dma/vendor/github.com/streadway/amqp/auth.go
new file mode 100644 (file)
index 0000000..ebc765b
--- /dev/null
+++ b/src/dma/vendor/github.com/streadway/amqp/auth.go
@@ -0,0 +1,46 @@
+// Copyright (c) 2012, Sean Treadway, SoundCloud Ltd.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+// Source code and contact info at http://github.com/streadway/amqp
+
+package amqp
+
+import (
+       "fmt"
+)
+
+// Authentication interface provides a means for different SASL authentication
+// mechanisms to be used during connection tuning.
+type Authentication interface {
+       Mechanism() string
+       Response() string
+}
+
+// PlainAuth is a similar to Basic Auth in HTTP.
+type PlainAuth struct {
+       Username string
+       Password string
+}
+
+// Mechanism returns "PLAIN"
+func (auth *PlainAuth) Mechanism() string {
+       return "PLAIN"
+}
+
+// Response returns the null character delimited encoding for the SASL PLAIN Mechanism.
+func (auth *PlainAuth) Response() string {
+       return fmt.Sprintf("\000%s\000%s", auth.Username, auth.Password)
+}
+
+// Finds the first mechanism preferred by the client that the server supports.
+func pickSASLMechanism(client []Authentication, serverMechanisms []string) (auth Authentication, ok bool) {
+       for _, auth = range client {
+               for _, mech := range serverMechanisms {
+                       if auth.Mechanism() == mech {
+                               return auth, true
+                       }
+               }
+       }
+
+       return
+}