[GitHub] stickbyatlas opened a new issue #1021: CouchDB 2.1: _users database update handlers always invoked with null first parameter

[GitBox <gi...@apache.org>]

stickbyatlas opened a new issue #1021: CouchDB 2.1: _users database update handlers always invoked with null first parameter
URL: https://github.com/apache/couchdb/issues/1021
 
 
   ## Expected Behavior
   
   In the latest version of CouchDB, I have a design document in the _users database where I've defined several update handlers to modify user documents. These handlers should either accept an existing document (by providing the ID to the API endpoint) or create a new document (if no ID is supplied).
   
   ## Current Behavior
   
   In version 2.1.0 of CouchDB, running via the binary on OS X Sierra, these update handlers are always being invoked with `null` as the first parameter to the function. This happens whether I provide a document ID or not.
   
   ## Steps to Reproduce (for bugs)
   1. Create a design document `test` in the `_users` database with an `updates` key, and define a function `test` with the signature `function(doc, req)`
   2. In the body of the function: `return [null, JSON.stringify(doc)]`
   ```javascript
   {
     "_id": "_design/test",
     "updates": {
       "test": "function(doc,req){return [null, JSON.stringify(doc)]}"
     }
   }
   ```
   3. Invoke the update handler: 
   `curl -X POST http://<admin>:<pass>:127.0.0.1:5984/_users/_design/test/_update/test/org.couchdb.user:<username>`
   4. Note that the response for this function is `null`, not the document's JSON.
   
   ## Context
   
   I use these update handlers to modify properties on user accounts on behalf of these users, using middleware, so that I can revoke or grant privileges, etc. It made sense to keep the logic for this within CouchDB itself, rather than embedding the code in my application logic.
   
   ## Your Environment
   * Version used: 2.1.0
   * Browser Name and version: curl / Safari
   * Operating System and version (desktop or mobile): Apache CouchDB binary running on OS X High Sierra
   

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