rgw: policy: support for s3 conditionals in ListBucket

This adds support for s3:prefix,delimeter & maxkeys identifiers when
specified as conditionals in policy.

Signed-off-by: Abhishek Lekshmanan <abhishek@suse.com>
(cherry picked from commit a7184ca8c507b66ef01687bd85528342ea3bf934)

diff --git a/src/rgw/rgw_op.cc b/src/rgw/rgw_op.cc
index 11fdbd4ebc3fdb95863baf710c0cd52da11a9574..8007357d01682781bf999887730cae5213a6a0b9 100644 (file)
--- a/src/rgw/rgw_op.cc
+++ b/src/rgw/rgw_op.cc
@@ -2239,6 +2239,19 @@ int RGWListBucket::verify_permission()
   if (op_ret < 0) {
     return op_ret;
   }
+  if (!prefix.empty())
+    s->env.emplace(std::piecewise_construct,
+                  std::forward_as_tuple("s3:prefix"),
+                  std::forward_as_tuple(prefix));
+
+  if (!delimiter.empty())
+    s->env.emplace(std::piecewise_construct,
+                  std::forward_as_tuple("s3:delimiter"),
+                  std::forward_as_tuple(delimiter));
+
+  s->env.emplace(std::piecewise_construct,
+                std::forward_as_tuple("s3:max-keys"),
+                std::forward_as_tuple(to_string(max)));
 
   if (!verify_bucket_permission(s,
                                list_versions ?