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From Apache Wiki <wikidi...@apache.org>
Subject [Couchdb Wiki] Update of "Security_Features_Overview" by SebastianCohnen
Date Thu, 08 Apr 2010 18:13:02 GMT
Dear Wiki user,

You have subscribed to a wiki page or wiki category on "Couchdb Wiki" for change notification.

The "Security_Features_Overview" page has been changed by SebastianCohnen.
The comment on this change is: moved section to it's own page: Document_Update_Validation.
http://wiki.apache.org/couchdb/Security_Features_Overview?action=diff&rev1=7&rev2=8

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

  CouchDB does not support other roles at this time. Support for read access restriction is
planned for the 1.0 release. 
  
  === Validation ===
- A design document may define a member function called "validate_doc_update". Requests to
create or update a document are validated against every "validate_doc_update" function defined
in the database. The validation functions are executed in an unspecified order. A design document
can contain only one validation function. Errors are thrown as javascript objects. 
  
- Example of a design document that validates the presence of an "address" field and returns
:
+ See [[Document_Update_Validation]].
  
- {{{
- {
-    _id: "_design/myview",
-    validate_doc_update: "function(newDoc, oldDoc, userCtx) {
-       if(newDoc.address === undefined) {
-          throw {forbidden: 'Document must have an address.'};
-       }"
- }
- }}}
- 
- The result of a document update without the address field will look like this:
- {{{
- HTTP/1.1 403 Forbidden
- WWW-Authenticate: Basic realm="administrator"
- Server: CouchDB/0.9.0 (Erlang OTP/R12B)
- Date: Tue, 21 Apr 2009 00:02:32 GMT
- Content-Type: text/plain;charset=utf-8
- Content-Length: 57
- Cache-Control: must-revalidate
- 
- {"error":"forbbiden","reason":"Document must have an address."} 
- }}}
- 
- 
- The "validate_doc_update" function accepts three arguments:
-  1. newDoc - The document to be created or used for update.
-  1. oldDoc - The current document if document id was specified in the HTTP request
-  1. userCtx - User context object, which contains three properties:
-    a. db - String name of database
-    a. name - String user name
-    a. roles - Array of roles to which user belongs. Currently only admin role is supported.
- 

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