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Example code of germania-kg/googlerecaptcha

Informations about the package googlerecaptcha

Germania KG · GoogleRecaptcha

Callable wrapper, Slim3 Middleware and Pimple-style Service Provider for Google's ReCaptcha.

Packagist PHP version Build Status Scrutinizer Code Quality Code Coverage Build Status

Installation with Composer

Alternatively, add this package directly to your composer.json:

Usage

The following examples assume you're working with Pimple or Slim Framework and have your DI container at hand:

ServiceProvider

See chapter reCAPTCHA v2 FAQ.

Slim3-style Middleware

Before the route controller is executed, this middleware checks

  1. whether there is a recaptcha user input in $_POST['g-recaptcha-response']
  2. whether the validation with Google's ReCaptcha client succeeds.

Dependent on the results, this middleware does

The string identifiers used here can be modified in the Google.Recaptcha.Config service, see below.

IMPORTANT NOTICE: The middleware will call the $next middleware, regardless of the validation status. Any route controller should check for the HTTP status itself and react accordingly. The GoogleRecaptcha Request attribute array will help – just ask for failed or success or status elements.

Callable validation wrapper

The ReCaptcha validation client is instantiated automatically. The callable wrapper uses the same logger instance than the Google.Recaptcha.Validator on how to setup your own validator instance.

The services in detail

Google.Recaptcha.PublicKey

This is the service you surely will need most often.

Google.Recaptcha.Logger

The default logger has been passed on instantiation. Override or customize like this:

Google.Recaptcha.ClientIP

The client API is used to ask Googles web API; its default is $_SERVER['REMOTE_ADDR']. You normally will not need to override this:

Google.Recaptcha.Validator

This creates Google's server-side validation client which comes with the official ReCaptcha\ReCaptcha library. It will be automatically installed with this GoogleRecaptcha package and automatically instantiated. If you wish to create your own, do something like:

Google.Recaptcha.Validator.Callable

is a callable wrapper, i.e. an invokable class, around the Google.Recaptcha.Logger instance from above, logging an info on success and a notice on failure.

When instantiated manually, it accepts an optional logger.

Google.Recaptcha.Config

This configuration array is used by the GoogleRecaptchaMiddleware and provides these values:

field value description
input_field g-recaptcha-response The form field name
status_code  400 The Response status when validation fails
request_attribute GoogleRecaptcha The Request attribute name for validation information

Development

Unit tests

Either copy phpunit.xml.dist to phpunit.xml and adapt to your needs, or leave as is. Run PhpUnit test or composer scripts like this:

All versions of googlerecaptcha with dependencies

PHP Build Version
Package Version
Requires php Version ^5.6|^7.0
pimple/pimple Version ^3.0
google/recaptcha Version ^1.1
psr/log Version ^1.0
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