Mongodb: created a database and added user to it, but cannot authenticate user

Question

this is the php code I used to add the user "someuser" to the "someusersdatabase".

<?
// open connection

  $mongo = new Mongo("mongodb://admin:passwd@remotemongoserver:27017");
  $db = $mongo->selectDB("someusersdatabase");

$mongo->selectDB("someusersdatabase")->createCollection('__tmp_collection_');
$mongo->selectDB("someusersdatabase")->dropCollection('__tmp_collection_');

 // $collections = $db->selectCollection("tmp");
 // $collections->insert(array('t' => '1'));

  // user info to add
  $username = "someuser";
  $password = "apassword";

  // insert the user - note that the password gets hashed as 'username:mongo:password'
  // set readOnly to true if user should not have insert/delete privs
  $collection = $db->selectCollection("system.users");
  $collection->insert(array('username' => $username, 'pwd' => md5($username . ":mongo:" . $password), 'readOnly' => false));

I can authenticate as admin, however when I authenticate someuser the log shows:

Mon Jun 27 14:01:38 [initandlisten] connection accepted from client:62708 #1
Mon Jun 27 14:01:38 [conn1] auth: couldn't find user someuser, someusersdatabase.system.users

but when I navigate to the web view, it displays both someusersdatabase and someusersdatabase.system.users

So is the user not being added properly? no error is being thrown when the php code runs...

this was the code provided by another user on SO on my previous question — KJW
– KJW, Commented Jun 27, 2011 at 18:49

hakre · Accepted Answer · 2011-06-27 18:56:05Z

3

You should probably call addUser() instead of inserting directly into the collection, in case there's some under-the-hood bookkeeping going on and/or the hashing function is different. Beyond that, the field name is user, not username.

edited Jun 27, 2011 at 18:56

hakre

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answered Jun 27, 2011 at 18:43

Sean McSomething

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1 Comment

netcoder Over a year ago

It's not necessary to call addUser (inserting manually works as well), but the issue here is indeed the field name that should be user and not username.

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