init

at-server/vendor/github.com/vulcand/oxy/utils/auth.go

@@ -0,0 +1,43 @@
+package utils
+
+import (
+	"encoding/base64"
+	"fmt"
+	"strings"
+)
+
+// BasicAuth basic auth information
+type BasicAuth struct {
+	Username string
+	Password string
+}
+
+func (ba *BasicAuth) String() string {
+	encoded := base64.StdEncoding.EncodeToString([]byte(fmt.Sprintf("%s:%s", ba.Username, ba.Password)))
+	return fmt.Sprintf("Basic %s", encoded)
+}
+
+// ParseAuthHeader creates a new BasicAuth from header values
+func ParseAuthHeader(header string) (*BasicAuth, error) {
+	values := strings.Fields(header)
+	if len(values) != 2 {
+		return nil, fmt.Errorf(fmt.Sprintf("Failed to parse header '%s'", header))
+	}
+
+	authType := strings.ToLower(values[0])
+	if authType != "basic" {
+		return nil, fmt.Errorf("Expected basic auth type, got '%s'", authType)
+	}
+
+	encodedString := values[1]
+	decodedString, err := base64.StdEncoding.DecodeString(encodedString)
+	if err != nil {
+		return nil, fmt.Errorf("Failed to parse header '%s', base64 failed: %s", header, err)
+	}
+
+	values = strings.SplitN(string(decodedString), ":", 2)
+	if len(values) != 2 {
+		return nil, fmt.Errorf("Failed to parse header '%s', expected separator ':'", header)
+	}
+	return &BasicAuth{Username: values[0], Password: values[1]}, nil
+}