From a18a13fb09eac00cdacf1f74080524182b7243de Mon Sep 17 00:00:00 2001
From: Niall Sheridan <nsheridan@gmail.com>
Date: Mon, 6 Jun 2016 00:55:30 +0100
Subject: update vendor

---
 .../aws/aws-sdk-go/aws/credentials/env_provider.go | 77 ++++++++++++++++++++++
 1 file changed, 77 insertions(+)
 create mode 100644 vendor/github.com/aws/aws-sdk-go/aws/credentials/env_provider.go

(limited to 'vendor/github.com/aws/aws-sdk-go/aws/credentials/env_provider.go')

diff --git a/vendor/github.com/aws/aws-sdk-go/aws/credentials/env_provider.go b/vendor/github.com/aws/aws-sdk-go/aws/credentials/env_provider.go
new file mode 100644
index 0000000..96655bc
--- /dev/null
+++ b/vendor/github.com/aws/aws-sdk-go/aws/credentials/env_provider.go
@@ -0,0 +1,77 @@
+package credentials
+
+import (
+	"os"
+
+	"github.com/aws/aws-sdk-go/aws/awserr"
+)
+
+// EnvProviderName provides a name of Env provider
+const EnvProviderName = "EnvProvider"
+
+var (
+	// ErrAccessKeyIDNotFound is returned when the AWS Access Key ID can't be
+	// found in the process's environment.
+	//
+	// @readonly
+	ErrAccessKeyIDNotFound = awserr.New("EnvAccessKeyNotFound", "AWS_ACCESS_KEY_ID or AWS_ACCESS_KEY not found in environment", nil)
+
+	// ErrSecretAccessKeyNotFound is returned when the AWS Secret Access Key
+	// can't be found in the process's environment.
+	//
+	// @readonly
+	ErrSecretAccessKeyNotFound = awserr.New("EnvSecretNotFound", "AWS_SECRET_ACCESS_KEY or AWS_SECRET_KEY not found in environment", nil)
+)
+
+// A EnvProvider retrieves credentials from the environment variables of the
+// running process. Environment credentials never expire.
+//
+// Environment variables used:
+//
+// * Access Key ID:     AWS_ACCESS_KEY_ID or AWS_ACCESS_KEY
+// * Secret Access Key: AWS_SECRET_ACCESS_KEY or AWS_SECRET_KEY
+type EnvProvider struct {
+	retrieved bool
+}
+
+// NewEnvCredentials returns a pointer to a new Credentials object
+// wrapping the environment variable provider.
+func NewEnvCredentials() *Credentials {
+	return NewCredentials(&EnvProvider{})
+}
+
+// Retrieve retrieves the keys from the environment.
+func (e *EnvProvider) Retrieve() (Value, error) {
+	e.retrieved = false
+
+	id := os.Getenv("AWS_ACCESS_KEY_ID")
+	if id == "" {
+		id = os.Getenv("AWS_ACCESS_KEY")
+	}
+
+	secret := os.Getenv("AWS_SECRET_ACCESS_KEY")
+	if secret == "" {
+		secret = os.Getenv("AWS_SECRET_KEY")
+	}
+
+	if id == "" {
+		return Value{ProviderName: EnvProviderName}, ErrAccessKeyIDNotFound
+	}
+
+	if secret == "" {
+		return Value{ProviderName: EnvProviderName}, ErrSecretAccessKeyNotFound
+	}
+
+	e.retrieved = true
+	return Value{
+		AccessKeyID:     id,
+		SecretAccessKey: secret,
+		SessionToken:    os.Getenv("AWS_SESSION_TOKEN"),
+		ProviderName:    EnvProviderName,
+	}, nil
+}
+
+// IsExpired returns if the credentials have been retrieved.
+func (e *EnvProvider) IsExpired() bool {
+	return !e.retrieved
+}
-- 
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