====

[plcapi.git] / PLC / Methods / AddSiteTag.py

diff --git a/PLC/Methods/AddSiteTag.py b/PLC/Methods/AddSiteTag.py
index dda3f57..bb5cfae 100644 (file)
--- a/PLC/Methods/AddSiteTag.py
+++ b/PLC/Methods/AddSiteTag.py
@@ -1,29 +1,27 @@
-# $Id: AddSiteTag.py 14587 2009-07-19 13:18:50Z thierry $
-# $URL: http://svn.planet-lab.org/svn/PLCAPI/tags/PLCAPI-4.3-27/PLC/Methods/AddSiteTag.py $
 #
 # Thierry Parmentelat - INRIA
 #
-# $Revision: 14587 $
-#
 from PLC.Faults import *
 from PLC.Method import Method
 from PLC.Parameter import Parameter, Mixed
 from PLC.Auth import Auth
 
+from PLC.Sites import Site, Sites
+from PLC.Nodes import Nodes
 from PLC.TagTypes import TagType, TagTypes
 from PLC.SiteTags import SiteTag, SiteTags
-from PLC.Sites import Site, Sites
 
-from PLC.Nodes import Nodes
-from PLC.Sites import Sites
+# need to import so the core classes get decorated with caller_may_write_tag
+from PLC.AuthorizeHelpers import AuthorizeHelpers
 
 class AddSiteTag(Method):
     """
     Sets the specified setting for the specified site
     to the specified value.
 
-    In general only tech(s), PI(s) and of course admin(s) are allowed to
-    do the change, but this is defined in the tag type object.
+    Admins have full access.  Non-admins need to 
+    (1) have at least one of the roles attached to the tagtype, 
+    and (2) belong in the same site as the tagged subject.
 
     Returns the new site_tag_id (> 0) if successful, faults
     otherwise.
@@ -42,9 +40,6 @@ class AddSiteTag(Method):
 
     returns = Parameter(int, 'New site_tag_id (> 0) if successful')
 
-    object_type = 'Site'
-
-
     def call(self, auth, site_id, tag_type_id_or_name, value):
         sites = Sites(self.api, [site_id])
         if not sites:
@@ -56,34 +51,24 @@ class AddSiteTag(Method):
             raise PLCInvalidArgument, "No such tag type %r"%tag_type_id_or_name
         tag_type = tag_types[0]
 
-       # checks for existence - does not allow several different settings
+        # checks for existence - does not allow several different settings
         conflicts = SiteTags(self.api,
-                                        {'site_id':site['site_id'],
-                                         'tag_type_id':tag_type['tag_type_id']})
+                             {'site_id':site['site_id'],
+                              'tag_type_id':tag_type['tag_type_id']})
 
         if len(conflicts) :
             raise PLCInvalidArgument, "Site %d already has setting %d"%(site['site_id'],
-                                                                               tag_type['tag_type_id'])
-
-       # check permission : it not admin, is the user affiliated with the right site
-       if 'admin' not in self.caller['roles']:
-           # locate site
-           site = Sites (self.api, site_id)[0]
-           # check caller is affiliated with this site
-           if self.caller['person_id'] not in site['person_ids']:
-               raise PLCPermissionDenied, "Not a member of the hosting site %s"%site['abbreviated_site']
-           
-           required_min_role = tag_type ['min_role_id']
-           if required_min_role is not None and \
-                   min(self.caller['role_ids']) > required_min_role:
-               raise PLCPermissionDenied, "Not allowed to modify the specified site setting, requires role %d",required_min_role
+                                                                        tag_type['tag_type_id'])
 
+        # check authorizations
+        site.caller_may_write_tag(self.api,self.caller,tag_type)
+            
         site_tag = SiteTag(self.api)
         site_tag['site_id'] = site['site_id']
         site_tag['tag_type_id'] = tag_type['tag_type_id']
         site_tag['value'] = value
 
         site_tag.sync()
-       self.object_ids = [site_tag['site_tag_id']]
+        self.object_ids = [site_tag['site_tag_id']]
 
         return site_tag['site_tag_id']