Add logic to skip invalid feature id

botocore/httpchecksum.py

@@ -37,7 +37,7 @@
 from botocore.utils import (
     conditionally_calculate_md5,
     determine_content_length,
-    get_checksum_header_algorithms,
+    get_checksum_algorithm_headers,
     has_checksum_header,
 )
 
@@ -495,9 +495,16 @@ def _apply_request_trailer_checksum(request):
 
 def _register_checksum_feature_ids(request):
     """Register feature IDs for checksum algorithms used in the request."""
-    if algorithm_list := get_checksum_header_algorithms(request):
-        for algorithm_name in algorithm_list:
-            _register_checksum_algorithm_feature_id(algorithm_name)
+    if algorithm_headers := get_checksum_algorithm_headers(request):
+        for header in algorithm_headers:
+            header = header.upper()
+            if header not in (
+                "X-AMZ-CHECKSUM-ALGORITHM",
+                "X-AMZ-CHECKSUM-MODE",
+                "X-AMZ-CHECKSUM-TYPE",
+            ):
+                algorithm_name = header.removeprefix("X-AMZ-CHECKSUM-")
+                _register_checksum_algorithm_feature_id(algorithm_name)
         return
     # If no checksum header exists yet, check the resolved context for
     # an algorithm that will be applied later by apply_request_checksum.

botocore/utils.py

@@ -3301,10 +3301,10 @@ def _is_s3express_request(params):
     return endpoint_properties.get('backend') == 'S3Express'
 
 
-def get_checksum_header_algorithms(params):
+def get_checksum_algorithm_headers(params):
     """
-    Returns the a list of algorithm name if a headers starting with "x-amz-checksum-"
-    are provided in a request, otherwise returns an empty list.
+    Returns the a list of header names from the request which start with
+    "x-amz-checksum-", otherwise returns an empty list.
 
     This function is considered private and subject to abrupt breaking changes or
     removal without prior announcement. Please do not use it directly.
@@ -3317,7 +3317,7 @@ def get_checksum_header_algorithms(params):
     for header in headers:
         match = CHECKSUM_HEADER_PATTERN.match(header)
         if match:
-            checksum_headers.append(match.group(1))
+            checksum_headers.append(header)
     return checksum_headers
 
 
@@ -3328,7 +3328,7 @@ def has_checksum_header(params):
     This function is considered private and subject to abrupt breaking changes or
     removal without prior announcement. Please do not use it directly.
     """
-    return bool(get_checksum_header_algorithms(params))
+    return bool(get_checksum_algorithm_headers(params))
 
 
 def conditionally_calculate_checksum(params, **kwargs):