couchdb/_design/users/validate_doc_update.js

   1 function(newDoc, oldDoc, userCtx)
   2 {
   3
   4     if(newDoc.doc_type == "User")
   5     {
   6         var device_uids = [];
   7         var device_ids = [];
   8
   9         for(var n in newDoc.devices)
  10         {
  11             var device = newDoc.devices[n];
  12
  13             if(device_ids.indexOf(device.id) > -1)
  14             {
  15                 throw({forbidden: "Duplicate Device-Id " + device.id +
  16                         " for user " + newDoc._id});
  17             }
  18
  19             device_ids.push(device.id);
  20
  21             if(device_uids.indexOf(device.uid) > -1)
  22             {
  23                 throw({forbidden: "Duplicate Device-UID " + device.uid +
  24                         " for user " + newDoc._id});
  25             }
  26
  27             if(!device.uid.match("^[\\w_.-]+$"))
  28             {
  29                 throw({forbidden: "Invalid Device-UID " + device.uid +
  30                         " for user " + newDoc._id});
  31             }
  32
  33             device_uids.push(device.uid);
  34         }
  35
  36         for(var n in newDoc.sync_groups)
  37         {
  38             var group = newDoc.sync_groups[n];
  39
  40             if(group.length < 2)
  41             {
  42                 throw({forbidden: "Sync-Group " + n + " must contain at " +
  43                         "least two devices for user " + newDoc._id});
  44             }
  45
  46             for(var i in group)
  47             {
  48                 var device_id = group[i];
  49
  50                 if(device_ids.indexOf(device_id) < 0)
  51                 {
  52                     throw({forbidden: "Invalid Device-Id " + device_id +
  53                             " in Sync-Group " + n + " for user " +
  54                             newDoc._id});
  55                 }
  56             }
  57         }
  58     }
  59 }