1 files changed, 57 insertions, 0 deletions

diff --git a/vendor/github.com/hashicorp/go-uuid/uuid.go b/vendor/github.com/hashicorp/go-uuid/uuid.go
new file mode 100644
index 0000000..322b522
--- /dev/null
+++ b/vendor/github.com/hashicorp/go-uuid/uuid.go
@@ -0,0 +1,57 @@
+package uuid
+
+import (
+        "crypto/rand"
+        "encoding/hex"
+        "fmt"
+)
+
+// GenerateUUID is used to generate a random UUID
+func GenerateUUID() (string, error) {
+        buf := make([]byte, 16)
+        if _, err := rand.Read(buf); err != nil {
+                return "", fmt.Errorf("failed to read random bytes: %v", err)
+        }
+
+        return FormatUUID(buf)
+}
+
+func FormatUUID(buf []byte) (string, error) {
+        if len(buf) != 16 {
+                return "", fmt.Errorf("wrong length byte slice (%d)", len(buf))
+        }
+
+        return fmt.Sprintf("%08x-%04x-%04x-%04x-%12x",
+                buf[0:4],
+                buf[4:6],
+                buf[6:8],
+                buf[8:10],
+                buf[10:16]), nil
+}
+
+func ParseUUID(uuid string) ([]byte, error) {
+        if len(uuid) != 36 {
+                return nil, fmt.Errorf("uuid string is wrong length")
+        }
+
+        hyph := []byte("-")
+
+        if uuid[8] != hyph[0] ||
+                uuid[13] != hyph[0] ||
+                uuid[18] != hyph[0] ||
+                uuid[23] != hyph[0] {
+                return nil, fmt.Errorf("uuid is improperly formatted")
+        }
+
+        hexStr := uuid[0:8] + uuid[9:13] + uuid[14:18] + uuid[19:23] + uuid[24:36]
+
+        ret, err := hex.DecodeString(hexStr)
+        if err != nil {
+                return nil, err
+        }
+        if len(ret) != 16 {
+                return nil, fmt.Errorf("decoded hex is the wrong length")
+        }
+
+        return ret, nil
+}