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Package recaptcha
Short Description Provides a form field which allows form to validate for non-bot submissions by giving them a challenge to decrypt an image.
License
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Informations about the package recaptcha
reCAPTCHA FormField Module
Introduction
Provides a FormField which allows form to validate for non-bot submissions using Google's reCAPTCHA v2 service.
In order to use Google's new Invisible reCAPTCHA service, please use the undefinedoffset/silverstripe-nocaptcha module. This module is not intended to be used with reCAPTCHA v3 (see rationale)
Requirements
- SilverStripe Framework 4.0 or newer
- curl PHP module
- Requires spamprotection module
Installation
composer require labcat/recaptcha
- Run ?flush=1
This should go in your mysite/_config/recaptcha.yml. You can get an free API key at https://www.google.com/recaptcha
If using on a site requiring a proxy server for outgoing traffic then you can set these additional
options in your mysite/_config/recaptcha.yml by adding.
To use the noscript fallback method, add the key noscript_enabled: true to your yml.
To change the language, add it to an array of options to your yml
See https://developers.google.com/recaptcha/docs/display#render_param for all available parameters
Usage
As a Standalone Field
If you want to use reCAPTCHA field by itself, you can simply just include it as a field in your form.
$recaptchaField = new RecaptchaField('MyCaptcha');
$recaptchaField->options = array('theme' => 'light'); // optionalSee reCAPTCHA docs for more configuration options.
Integration with spamprotection module
This requires the spamprotection module to be installed, see its documentation for details. You can use this field to protect any built informs on your website, including user comments in the [[:modules:blog]] module.
Configuration example in mysite/_config/spamprotection.yml
---
name: spamprotection
---
SilverStripe\SpamProtection\Extension\FormSpamProtectionExtension:
default_spam_protector: SilverStripe\Recaptcha\RecaptchaProtectorThen once you have setup this config you will need to include the spam protector field as per the instructions on the spamprotection page.
Known issues:
Problems with page doctype XHTML
reCAPTCHA current does not work if the page doctype is XHTML. The API returns Javascript which uses "document.write", which is not supported in XHTML. A work-around is to always use the no-script version of the module (modify the relevant lines in RecaptchaField.php), or to switch your webpage's doctype to HTML 4. See: http://www.w3schools.com/tags/tag_DOCTYPE.asp
