XRootD::cp upload: use md5 from token request as cksum_preset for xrootd

alienpy/xrd_core.py

@@ -833,7 +833,7 @@ def XrdCopy(wb, job_list: list, xrd_cp_args: XrdCpArgs, printout: str = '') -> l
         if copy_job.isUpload:
             cksum_mode = 'source'
             cksum_type = 'md5'
-            cksum_preset = ''
+            cksum_preset = copy_job.token_request['md5']
         else:  # for downloads we already have the md5 value, lets use that
             cksum_mode = 'target'
             cksum_type, cksum_preset = get_hash_meta(copy_job.src)

alienpy/xrd_tools.py

@@ -27,6 +27,7 @@ def lfnAccessUrl(wb, lfn: str, local_file: str = '', specs: Union[None, list, st
             return {}
         access_type = 'write'
         size = int(os.stat(local_file).st_size)
+        # compute here as we will tell xrootd to compare with what was sent
         md5sum = md5(local_file)
         files_with_default_replicas = ['.sh', '.C', '.jdl', '.xml']
         if any(lfn.endswith(ext) for ext in files_with_default_replicas) and size < 1048576 and not specs:  # we have a special lfn