1 files changed, 16 insertions, 0 deletions
diff --git a/internal/crypto_utilities.py b/internal/crypto_utilities.py
new file mode 100644
index 00000000..adc8506b
--- /dev/null
+++ b/internal/crypto_utilities.py
@@ -0,0 +1,16 @@
+import os
+from cryptography.fernet import Fernet
+import base64
+
+AUTHORIZATION_STRING = os.getenv("AUTHORIZATION_STRING")
+SECRET_KEY = base64.urlsafe_b64encode(AUTHORIZATION_STRING[:32].encode())
+
+cipher = Fernet(SECRET_KEY)
+
+
+def encode_url(url):
+    return cipher.encrypt(url.encode()).decode()
+
+
+def decode_url(encrypted_url):
+    return cipher.decrypt(encrypted_url.encode()).decode()