Revert "adding support for compressed payloads (#753)" (#761)

This reverts commit 675fa10db578886ee6cfd1df688236f69560ced4.

1 files changed, 1 insertions, 22 deletions

diff --git a/jwt/api_jwt.py b/jwt/api_jwt.py
index f04a88d..7d2177b 100644
--- a/jwt/api_jwt.py
+++ b/jwt/api_jwt.py
@@ -1,6 +1,5 @@
 import json
 import warnings
-import zlib
 from calendar import timegm
 from collections.abc import Iterable, Mapping
 from datetime import datetime, timedelta, timezone
@@ -109,7 +108,7 @@ class PyJWT:
         try:
             payload = json.loads(decoded["payload"])
         except ValueError as e:
-            payload = self._decompress_payload(decoded["payload"], e)
+            raise DecodeError(f"Invalid payload string: {e}")
         if not isinstance(payload, dict):
             raise DecodeError("Invalid payload string: must be a json object")
 
@@ -119,26 +118,6 @@ class PyJWT:
         decoded["payload"] = payload
         return decoded
 
-    @staticmethod
-    def _decompress_payload(payload, e):
-        """
-        Smart Health cards use a raw-compressed (no header or crc) payload,
-        so before surfacing a UnicodeDecodeError, find out if it can be
-        uncompressed successfully
-        noinspection PyBroadException
-        """
-        if isinstance(e, UnicodeDecodeError):
-            try:
-                payload = json.loads(
-                    # wbits=-15 has zlib not worry about headers of crc's
-                    zlib.decompress(payload, wbits=-15).decode("utf-8")
-                )
-            except Exception:
-                payload = None
-        if payload is not None:
-            return payload
-        raise DecodeError(f"Invalid payload string: {e}")
-
     def decode(
         self,
         jwt: str,