87 lines
2.3 KiB
PHP
87 lines
2.3 KiB
PHP
<?php
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/**
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* @brief reCAPTCHA
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* @author <a href='https://www.invisioncommunity.com'>Invision Power Services, Inc.</a>
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* @copyright (c) Invision Power Services, Inc.
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* @license https://www.invisioncommunity.com/legal/standards/
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* @package Invision Community
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* @since 18 Apr 2013
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*/
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namespace IPS\Helpers\Form\Captcha;
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/* To prevent PHP errors (extending class does not exist) revealing path */
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if ( !defined( '\IPS\SUITE_UNIQUE_KEY' ) )
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{
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header( ( isset( $_SERVER['SERVER_PROTOCOL'] ) ? $_SERVER['SERVER_PROTOCOL'] : 'HTTP/1.0' ) . ' 403 Forbidden' );
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exit;
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}
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/**
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* reCAPTCHA
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*/
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class _Recaptcha
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{
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/**
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* @brief Error
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*/
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protected $error;
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/**
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* Display
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*
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* @return string
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*/
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public function getHtml()
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{
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$publicKey = \IPS\Settings::i()->recaptcha_public_key;
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$theme = \IPS\Theme::i()->settings['recaptcha_theme'];
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$lang = preg_replace( '/^(.+?)\..*$/', '$1', \IPS\Member::loggedIn()->language()->short );
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return <<<HTML
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<div data-ipsCaptcha data-ipsCaptcha-service='recaptcha' data-ipsCaptcha-key="{$publicKey}" data-ipsCaptcha-lang="{$lang}" data-ipsCaptcha-theme="{$theme}">
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<noscript>
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<iframe src="//www.google.com/recaptcha/api/noscript?k={$publicKey}&hl={$lang}&error={$this->error}"
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height="300" width="500"></iframe><br>
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<textarea name="recaptcha_challenge_field" rows="3" cols="40"></textarea>
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<input type="hidden" name="recaptcha_response_field" value="manual_challenge">
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</noscript>
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</div>
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HTML;
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}
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/**
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* Verify
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*
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* @return bool|null TRUE/FALSE indicate if the test passed or not. NULL indicates the test failed, but the captcha system will display an error so we don't have to.
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*/
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public function verify()
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{
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try
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{
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$response = \IPS\Http\Url::external( 'http://www.google.com/recaptcha/api/verify' )->request()->post( array(
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'privatekey' => \IPS\Settings::i()->recaptcha_private_key,
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'remoteip' => \IPS\Request::i()->ipAddress(),
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'challenge' => \IPS\Request::i()->recaptcha_challenge_field,
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'response' => \IPS\Request::i()->recaptcha_response_field
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) );
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}
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catch ( \IPS\Http\Request\Exception $e )
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{
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return FALSE;
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}
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$response = explode( "\n", $response );
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if ( $response[0] === 'true' )
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{
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return true;
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}
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else
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{
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$this->error = $response[1];
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return null;
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}
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}
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} |