Changes between Initial Version and Version 1 of HiddenElements

Timestamp:

Jun 24, 2008, 12:54:34 PM (16 years ago)

Author:

simonp

Comment:

--

HiddenElements

@@ +1 @@
+= Proposal number : Proposal title =
+
+|| '''Date''' || 2008/06/20 ||
+|| '''Contact(s)''' || Simon Pigot, Stefano Giaccio ||
+|| '''Last edited''' || [[Timestamp]] ||
+|| '''Status''' || draft ||
+|| '''Assigned to release''' || 2.3 ||
+|| '''Resources''' || Available ||
+
+== Overview ==
+ 
+Apply permissions to metadata elements (not just records).[[BR]]
+
+Stage 1 – elements are not group related – apply to internet/public/intranet groups only[[BR]]
+Stage 2 – add additional granularity via interface (component 2)[[BR]]
+
+=== Proposal Type ===
+ * '''Type''': GUI Change, Core Change, Module Change
+ * '''App''': !GeoNetwork
+ * '''Module''': Data Manager
+
+=== Links ===
+ 
+ * '''Email discussions''': John Hockaday, Geoscience Australia suggested this on geonetwork-devel
+
+=== Voting History ===
+ * None as yet
+
+----
+
+== Motivations ==
+Move access/permissions control down to element level.
+
+== Proposal == 
+5 components to deal with:
+
+'''1.''' Template editor: additional controls for selecting elements that are to be hidden. Selected elements written to database on save/save and close.[[BR]]
+'''2.''' Need an additional permissions interface to associate groups with XPaths (stage 2 – more sophisticated users)[[BR]]
+'''3.''' Database changes: additional dependent table on OperationAllowed – OperationAllowedElements – schema: MetadataId, Xpath – related to OperationAllowed by MetadataId and GroupId[[BR]]
+'''4.''' Query table and retrieve XPaths based on GroupId of UserSession, apply XPaths to JDOM tree before record returned from service – add ISO attribute (gco:nilReason=”concealed”) for ISO records only – track down all locations where this can happen – could be possible to apply this in DataManager getMetadata[[BR]]
+'''5.''' Lucene index – concealed elements cannot be indexed because the index can be searched by anyone – the permissions systems is not applied until the record is displayed. The interesting outcome of leaving concealed info in the index is that a user could search and get a result on the concealed info but would not be able to see it when the record was displayed. [[BR]]
+
+
+
+=== Backwards Compatibility Issues ===
+
+Previous installations (2.2 and earlier) will need to migrate to a new database if they want to use this – the implementation could be made to tolerate the missing table if necessary.
+
+Harvesting from versions < 2.2 – filter is applied to conceal elements regardless of group.
+
+== Risks ==
+
+== Participants ==
+ * As above
+