X-Git-Url: https://code.grnet.gr/git/pithos/blobdiff_plain/21a8a6ff7bf6409f3e853ecb768ba45915b37285..f9f15f9298274c5af6c94599bd46e663c73414b3:/pithos/api/util.py

diff --git a/pithos/api/util.py b/pithos/api/util.py
index 773ef40..cc486bd 100644
--- a/pithos/api/util.py
+++ b/pithos/api/util.py
@@ -35,7 +35,7 @@ from functools import wraps
 from time import time
 from traceback import format_exc
 from wsgiref.handlers import format_date_time
-from binascii import hexlify
+from binascii import hexlify, unhexlify
 
 from django.conf import settings
 from django.http import HttpResponse
@@ -160,7 +160,9 @@ def put_object_headers(response, meta, restricted=False):
         response['X-Object-Version-Timestamp'] = http_date(int(meta['version_timestamp']))
         for k in [x for x in meta.keys() if x.startswith('X-Object-Meta-')]:
             response[smart_str(k, strings_only=True)] = smart_str(meta[k], strings_only=True)
-        for k in ('Content-Encoding', 'Content-Disposition', 'X-Object-Manifest', 'X-Object-Sharing', 'X-Object-Shared-By', 'X-Object-Public'):
+        for k in ('Content-Encoding', 'Content-Disposition', 'X-Object-Manifest',
+                  'X-Object-Sharing', 'X-Object-Shared-By', 'X-Object-Allowed-To',
+                  'X-Object-Public'):
             if k in meta:
                 response[k] = smart_str(meta[k], strings_only=True)
     else:
@@ -189,10 +191,10 @@ def update_manifest_meta(request, v_account, meta):
         md5.update(hash)
         meta['hash'] = md5.hexdigest().lower()
 
-def update_sharing_meta(permissions, v_account, v_container, v_object, meta):
+def update_sharing_meta(request, permissions, v_account, v_container, v_object, meta):
     if permissions is None:
         return
-    perm_path, perms = permissions
+    allowed, perm_path, perms = permissions
     if len(perms) == 0:
         return
     ret = []
@@ -205,6 +207,8 @@ def update_sharing_meta(permissions, v_account, v_container, v_object, meta):
     meta['X-Object-Sharing'] = '; '.join(ret)
     if '/'.join((v_account, v_container, v_object)) != perm_path:
         meta['X-Object-Shared-By'] = perm_path
+    if request.user != v_account:
+        meta['X-Object-Allowed-To'] = allowed
 
 def update_public_meta(public, meta):
     if not public:
@@ -672,13 +676,14 @@ def hashmap_hash(hashmap):
         return hexlify(subhash(''))
     if len(hashmap) == 1:
         return hashmap[0]
+    
     s = 2
     while s < len(hashmap):
         s = s * 2
-    h = hashmap + ([('\x00' * len(hashmap[0]))] * (s - len(hashmap)))
-    h = [subhash(h[x] + (h[x + 1] if x + 1 < len(h) else '')) for x in range(0, len(h), 2)]
+    h = [unhexlify(x) for x in hashmap]
+    h += [('\x00' * len(h[0]))] * (s - len(hashmap))
     while len(h) > 1:
-        h = [subhash(h[x] + (h[x + 1] if x + 1 < len(h) else '')) for x in range(0, len(h), 2)]
+        h = [subhash(h[x] + h[x + 1]) for x in range(0, len(h), 2)]
     return hexlify(h[0])
 
 def update_response_headers(request, response):
@@ -720,12 +725,12 @@ def request_serialization(request, format_allowed=False):
     elif format == 'xml':
         return 'xml'
     
-#     for item in request.META.get('HTTP_ACCEPT', '').split(','):
-#         accept, sep, rest = item.strip().partition(';')
-#         if accept == 'application/json':
-#             return 'json'
-#         elif accept == 'application/xml' or accept == 'text/xml':
-#             return 'xml'
+    for item in request.META.get('HTTP_ACCEPT', '').split(','):
+        accept, sep, rest = item.strip().partition(';')
+        if accept == 'application/json':
+            return 'json'
+        elif accept == 'application/xml' or accept == 'text/xml':
+            return 'xml'
     
     return 'text'