fix: use uppercase Bearer in Authorization headers

The Cloud PDP requires uppercase "Bearer" in the Authorization header
per RFC 6750. Using lowercase "bearer" causes 401 Unauthorized errors.

Fixes #122

Author: SureneruS

permit/api/base.py

@@ -174,7 +174,7 @@ def _build_http_client(self, endpoint_url: str = "", *, use_pdp: bool = False, *
             base_url=self.config.pdp if use_pdp else self.config.api_url,
             headers={
                 "Content-Type": "application/json",
-                "Authorization": f"bearer {self.config.token}",
+                "Authorization": f"Bearer {self.config.token}",
                 **optional_headers,
             },
         )

permit/enforcement/enforcer.py

@@ -44,7 +44,7 @@ def __init__(self, config: PermitConfig):
         self._context_store = ContextStore()
         self._headers = {
             "Content-Type": "application/json",
-            "Authorization": f"bearer {self._config.token}",
+            "Authorization": f"Bearer {self._config.token}",
         }
         self._base_url = self._config.pdp
 

permit/pdp_api/base.py

@@ -48,7 +48,7 @@ def _build_http_client(self, endpoint_url: str = "", **kwargs):
             base_url=f"{self.config.pdp}",
             headers={
                 "Content-Type": "application/json",
-                "Authorization": f"bearer {self.config.token}",
+                "Authorization": f"Bearer {self.config.token}",
             },
         )
         client_config_dict = client_config.dict()

permit/pdp_api/pdp_api_client.py

@@ -19,7 +19,7 @@ def __init__(self, config: PermitConfig):
         self._config = config
         self._headers = {
             "Content-Type": "application/json",
-            "Authorization": f"bearer {self._config.token}",
+            "Authorization": f"Bearer {self._config.token}",
         }
         self._base_url = self._config.pdp