Initial commit

backend/pkgs/hasher/token.go

@@ -0,0 +1,30 @@
+package hasher
+
+import (
+	"crypto/rand"
+	"crypto/sha256"
+	"encoding/base32"
+)
+
+type Token struct {
+	Raw  string
+	Hash []byte
+}
+
+func GenerateToken() Token {
+	randomBytes := make([]byte, 16)
+	rand.Read(randomBytes)
+
+	plainText := base32.StdEncoding.WithPadding(base32.NoPadding).EncodeToString(randomBytes)
+	hash := HashToken(plainText)
+
+	return Token{
+		Raw:  plainText,
+		Hash: hash,
+	}
+}
+
+func HashToken(plainTextToken string) []byte {
+	hash := sha256.Sum256([]byte(plainTextToken))
+	return hash[:]
+}