Password Reset with Code for WordPress REST API

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A simple plugin that adds a password reset facility to the WordPress REST API using…

Author:Be Devious Web Development (profile at wordpress.org)
WordPress version required:4.6
WordPress version tested:6.3.1
Plugin version:0.0.16
Added to WordPress repository:09-05-2020
Last updated:22-08-2023
Rating, %:100
Rated by:9
Plugin URI:https://www.bedevious.co.uk/
Total downloads:9 838
Active installs:1 000+
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A simple plugin that adds a password reset facility to the WordPress REST API using a code. The process is a two step process:

  1. User requests a password reset. A code is emailed to their registered email address
  2. The user enters the code when setting a new password, which is only set if the code is valid and has not expired

It is also possible to check the validity of a code without resetting the password which enables the possibility of setting the password by other means, or having a two stage process for checking the code and resetting the password if desired.

Default settings are to use an 8 digit code consisting of numbers, upper and lower case letters and special characters, which has a life span of 15 minutes, afterwhich a new code would need to be requested. By default a user can attempt to use or validate a code up to 3 times before automatically invalidating it.

Endpoints

The plugin adds two new endpoints to the REST API:

  • Endpoint: /wp-json/bdpwr/v1/reset-password
    — HTTP Verb: POST
    — Parameters (all required):
    — email

  • /wp-json/bdpwr/v1/set-password
    — HTTP Verb: POST
    — Parameters (all required):
    — email
    — password
    — code

  • /wp-json/bdpwr/v1/validate-code
    — HTTP Verb: POST
    — Parameters (all required):
    — email
    — code

Example Requests (jQuery)

Reset Password

$.ajax({
  url: '/wp-json/bdpwr/v1/reset-password',
  method: 'POST',
  data: {
    email: 'example@example.com',
  },
  success: function( response ) {
    console.log( response );
  },
  error: function( response ) {
    console.log( response );
  },
});

Set New Password

$.ajax({
  url: '/wp-json/bdpwr/v1/set-password',
  method: 'POST',
  data: {
    email: 'example@example.com',
    code: '1234',
    password: 'Pa$$word1',
  },
  success: function( response ) {
    console.log( response );
  },
  error: function( response ) {
    console.log( response );
  },
});

Validate Code

$.ajax({
  url: '/wp-json/bdpwr/v1/validate-code',
  method: 'POST',
  data: {
    email: 'example@example.com',
    code: '1234',
  },
  success: function( response ) {
    console.log( response );
  },
  error: function( response ) {
    console.log( response );
  },
});

Example Success Responses (JSON)

Reset Password

{
    "data": {
        "status": 200
    },
    "message": "A password reset email has been sent to your email address."
}

Set New Password

{
    "data": {
        "status": 200
    },
    "message": "Password reset successfully."
}

Validate Code

{
    "data": {
        "status": 200
    },
    "message": "The code supplied is valid."
}

Example Error Responses (JSON)

Reset Password

{
    "code": "bad_email",
    "message": "No user found with this email address.",
    "data": {
        "status": 500
    }
}

Set New Password

{
    "code": "bad_request",
    "message": "You must request a password reset code before you try to set a new password.",
    "data": {
        "status": 500
    }
}

Validate Code

{
    "code": "bad_request",
    "message": "The reset code provided is not valid.",
    "data": {
        "status": 500
    }
}

Filters

A number of WordPress filters have been added to help customise the process, please feel free to request additional filters or submit a pull request with any that you required.

Filter the length of the code

add_filter( 'bdpwr_code_length' , function( $length ) {
  return 4;
}, 10 , 1 );

Filter Expiration Time

add_filter( 'bdpwr_code_expiration_seconds' , function( $seconds ) {
  return 900;
}, 10 , 1 );

Filter the date format used by the plugin to display expiration times

add_filter( 'bdpwd_date_format' , function( $format ) {
  return 'H:i';
}, 10 , 1 );

Filter the reset email subject

add_filter( 'bdpwr_code_email_subject' , function( $subject ) {
  return 'Password Reset';
}, 10 , 1 );

Filter the email content

add_filter( 'bdpwr_code_email_text' , function( $text , $email , $code , $expiry ) {
  return $text;
}, 10 , 4 );

Filter maximum attempts allowed to use a reset code, default is 3, -1 for unlimmited

add_filter( 'bdpwr_max_attempts' , function( $attempts ) {
  return 3;
}, 10 , 4 );

Filter whether to include upper and lowercase letters in the code as well as numbers, default is false

add_filter( 'bdpwr_include_letters' , function( $include ) {
  return false;
}, 10 , 4 );

Filter the characters to be used when generating a code, you can use any string you want, default is 0123456789

add_filter( 'bdpwr_selection_string' , function( $string ) {
  return '0123456789';
}, 10 , 4 );

Filter the WP roles allowed to reset their password with this plugin, default is any, example below shows removing administrators

add_filter( 'bdpwr_allowed_roles' , function( $roles ) {

  $key = array_search( 'administrator' , $roles );

  if( $key !== false ) {
    unset( $roles[ $key ] );
  }

  return $roles;

}, 10 , 1 );

Filter to add custom namespace for REST API

add_filter( 'bdpwr_route_namespace' , function( $route_namespace ) {
  return 'xyz/v1';
}, 10 , 1 );

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