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From Ben Collins-Sussman <suss...@collab.net>
Subject [PATCH] mod_dav activity creation
Date Tue, 20 May 2003 14:26:32 GMT

Greg Stein asked me to submit a patch for a shortcoming in mod_dav.
Hopefully this can make it into httpd-2.0.46.  Here it is:

------------------------------------------

mod_dav providers define a 'can_be_activity' callback.  Unfortunately,
mod_dav isn't calling it before creating an activity.  This is a
required precondition (along with the resource not existing), as
defined in the deltaV RFC (3253), section 13.5.

* mod_dav.c (dav_method_make_activity): if available, call provider's
  'can_be_activity' callback as a precondition to making an activity.


Index: mod_dav.c
===================================================================
RCS file: /home/cvspublic/httpd-2.0/modules/dav/main/mod_dav.c,v
retrieving revision 1.92
diff -u -r1.92 mod_dav.c
--- mod_dav.c	3 Feb 2003 17:52:58 -0000	1.92
+++ mod_dav.c	20 May 2003 14:20:26 -0000
@@ -4068,6 +4068,15 @@
         return dav_handle_err(r, err, NULL);
     }
 
+    /* the provider must say whether the resource can be created as
+       an activity, i.e. whether the location is ok.  */
+    if (vsn_hooks->can_be_activity != NULL
+        && !(*vsn_hooks->can_be_activity)(resource)) {
+      err = dav_new_error(r->pool, HTTP_FORBIDDEN, 0,
+                          "<DAV:activity-location-ok/>");
+      return dav_handle_err(r, err, NULL);
+    }
+
     /* ### what about locking? */
 
     /* attempt to create the activity */

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