MongoDB: Issue updating the 'role' field of a document

Question

MongoDB: Issue updating the 'role' field of a document

Recently, I've run into an issue where I am unable to update the 'role' of a specific document. The document in question is a 'user' object within the MEANjs User schema, and it has a pre-defined property for roles. Here is the section of the schema concerning roles:

roles: {
        type: [{
            type: String,
            enum: ['user','volunteer','participant','manager', 'admin']
        }],
        default: ['volunteer']
    }

When attempting to update this field using a regular PUT request, the response comes back as OK (200) but no changes are reflected in the data. Surprisingly, when using the same method to update a custom field that I have created, it works perfectly fine.

Could this be related to the enum defined in the schema? Any ideas or suggestions would be greatly appreciated!

Thank you in advance!

PS - Just to note, the document's version (__v) is not causing any issues in this scenario.

javascript angularjs mongodb mean-stack

Answer 1

Answer №1

It is the standard behavior to delete roles as a security precaution when updating a user profile. This measure prevents users from assigning themselves unauthorized privileges, such as admin access.

/**
 * Update user details
 */
exports.update = function (req, res) {
  // Initialize Variables
  var user = req.user;

  // To ensure security, roles are removed from the req.body object
  delete req.body.roles;

  ...

In the most recent version of MEAN.js, administrators have the ability to change user roles by referring to the

modules/users/server/controllers/admin.server.controller.js

file:

/**
 * Update a User
 */
exports.update = function (req, res) {
  var user = req.model;

  // Merge only these parameters for security reasons
  user.firstName = req.body.firstName;
  user.lastName = req.body.lastName;
  user.displayName = user.firstName + ' ' + user.lastName;
  user.roles = req.body.roles;

  user.save(function (err) {
    if (err) {
      return res.status(400).send({
        message: errorHandler.getErrorMessage(err)
      });
    }

    res.json(user);
  });
};

Answer 2

It is the standard behavior to delete roles as a security precaution when updating a user profile. This measure prevents users from assigning themselves unauthorized privileges, such as admin access.

/**
 * Update user details
 */
exports.update = function (req, res) {
  // Initialize Variables
  var user = req.user;

  // To ensure security, roles are removed from the req.body object
  delete req.body.roles;

  ...

In the most recent version of MEAN.js, administrators have the ability to change user roles by referring to the

modules/users/server/controllers/admin.server.controller.js

file:

/**
 * Update a User
 */
exports.update = function (req, res) {
  var user = req.model;

  // Merge only these parameters for security reasons
  user.firstName = req.body.firstName;
  user.lastName = req.body.lastName;
  user.displayName = user.firstName + ' ' + user.lastName;
  user.roles = req.body.roles;

  user.save(function (err) {
    if (err) {
      return res.status(400).send({
        message: errorHandler.getErrorMessage(err)
      });
    }

    res.json(user);
  });
};

MongoDB: Issue updating the 'role' field of a document

Answer №1

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