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reCAPTCHA v3 support and general tidy up

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This commit is contained in:
Tom Slominski
2019-01-09 14:38:43 +00:00
parent 5546bacae8
commit 895280fed7
7 changed files with 162 additions and 83 deletions
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26
footer.php
View File

@@ -10,24 +10,30 @@
</div> </div>
<footer class="content site-footer"> <footer class="content site-footer">
<p><?php yourls_e( 'Powered by <a href="http://yourls.org/">YOURLS</a>. Designed by <a href="http://tomslominski.net/">Tom Slominski</a>.', 'isq_translation') ?> <a class="icon-github" href="https://github.com/tomslominski/infinity-squared"><?php include('public/images/github.svg'); ?></a></p> <p><?php yourls_e( 'Powered by <a href="http://yourls.org/">YOURLS</a>. Designed by <a href="https://slomin.ski/">Tom Slominski</a>.', 'isq_translation') ?> <a class="icon-github" href="https://github.com/tomslominski/infinity-squared"><?php include('public/images/github.svg'); ?></a></p>
<?php if ( !empty(ISQ::$recaptcha['sitekey']) && !empty(ISQ::$recaptcha['secret']) ) { ?> <?php if( 'recaptcha' == is_get_antispam_method() || 'recaptcha_v3' == is_get_antispam_method() ) : ?>
<p class="recaptcha-cookie"><?php yourls_e('This site uses cookies for Google reCAPTCHA','isq_translation')?>.<p> <p class="recaptcha-cookie"><?php yourls_e('This site uses cookies for Google reCAPTCHA','isq_translation'); ?>.<p>
<?php }; ?> <?php endif; ?>
</div> </div>
</div> </div>
</div> </div>
<?php global $dependencies; ?> <?php global $dependencies; ?>
<?php if ( in_array( 'clipboard.js', $dependencies ) ) { ?> <?php if( in_array( 'recaptcha_v3', $dependencies ) ) : ?>
<script src="public/js/clipboard.min.js"></script> <script type="text/template" id="recaptcha-sitekey"><?php echo ISQ::$recaptcha['sitekey']; ?></script>
<script src="public/js/app.js"></script> <script src="https://www.google.com/recaptcha/api.js?render=<?php echo ISQ::$recaptcha['sitekey']; ?>"></script>
<?php } <?php elseif( in_array( 'recaptcha', $dependencies ) ) : ?>
if ( in_array( 'reCAPTCHA', $dependencies ) ) { ?>
<script src="https://www.google.com/recaptcha/api.js"></script> <script src="https://www.google.com/recaptcha/api.js"></script>
<?php endif; ?>
<?php if( in_array( 'clipboard.js', $dependencies ) ) { ?>
<script src="public/js/clipboard.min.js"></script>
<?php } ?> <?php } ?>
<?php if( in_array( array( 'recaptcha_v3', 'clipboard.js' ), $dependencies ) ) : ?>
<script src="public/js/app.js"></script>
<?php endif; ?>
</body> </body>
</html> </html>

5
header.php
View File

@@ -10,7 +10,10 @@ if( @include dirname(__FILE__) . '/public/config.php' ) {
include( dirname(__FILE__) . '/public/config-sample.php' ); include( dirname(__FILE__) . '/public/config-sample.php' );
} }
class ISQ { public static $general = array(), $links = array(), $social = array(), $recaptcha = array(); } class ISQ { public static $general = array(), $links = array(), $social = array(), $recaptcha = array(), $recaptcha_v3 = array(); }
// Load functions
require_once( dirname(__FILE__) . '/public/functions.php' );
// Default dependencies // Default dependencies
$dependencies = array(); $dependencies = array();

42
index.php
View File

@@ -30,28 +30,34 @@ $title = isset( $_REQUEST['title'] ) ? yourls_sanitize_title( $_REQUEST['title
</div> </div>
<?php <?php
if ( function_exists( 'yourls_is_valid_user' ) && yourls_is_valid_user() == 1 ) { switch( is_get_antispam_method() ) {
case 'login': ?>
<input type="hidden" name="antispam_method" value="user_login" class="hidden">
<?php break;
echo '<input type="hidden" name="antispam_method" value="user_login" class="hidden">'; case 'recaptcha_v3':
$dependencies[] = 'recaptcha_v3';
?>
<input type="hidden" name="antispam_method" value="recaptcha_v3" class="hidden">
<input type="hidden" name="recaptcha_token" id="recaptcha_token" class="hidden">
<?php break;
} else if ( !empty(ISQ::$recaptcha['sitekey']) && !empty(ISQ::$recaptcha['secret']) ) { case 'recaptcha':
$dependencies[] = 'recaptcha';
?>
<input type="hidden" name="antispam_method" value="recaptcha" class="hidden">
$dependencies[] = 'reCAPTCHA'; <div class="form-item recaptcha-container">
<p><label class="primary" title=""><?php yourls_e( 'Verification', 'isq_translation'); ?></label></p>
echo '<input type="hidden" name="antispam_method" value="recaptcha" class="hidden">'; <p><label class="secondary"><?php yourls_e( 'reCAPTCHA verification used to ensure you are not a bot.', 'isq_translation'); ?></label></p>
?> <div class="g-recaptcha" data-sitekey="<?php echo ISQ::$recaptcha['sitekey']; ?>"></div>
<div class="form-item recaptcha-container"> </div>
<p><label class="primary" title=""><?php yourls_e( 'Verification', 'isq_translation'); ?></label></p> <?php break;
<p><label class="secondary"><?php yourls_e( 'reCAPTCHA verification used to ensure you are not a bot.', 'isq_translation'); ?></label></p>
<div class="g-recaptcha" data-sitekey="<?php echo ISQ::$recaptcha['sitekey']; ?>"></div>
</div>
<?php
} else {
echo '<input type="hidden" name="antispam_method" value="basic" class="hidden">';
echo '<input type="hidden" name="basic_antispam" class="hidden">';
default: ?>
<input type="hidden" name="antispam_method" value="basic" class="hidden">
<input type="hidden" name="basic_antispam" class="hidden">
<?php break;
} }
?> ?>

7
public/config-sample.php
View File

@@ -52,4 +52,11 @@ ISQ::$recaptcha = array(
'secret' => '' 'secret' => ''
); );
// Separate API keys for reCAPTCHA v3
ISQ::$recaptcha_v3 = array(
'sitekey' => '',
'secret' => '',
'threshold' => '0.5',
);
?> ?>

67
public/functions.php Normal file
View File

@@ -0,0 +1,67 @@
<?php
/**
* Return which method is being used for preventing spam,
* based on the site config.
*
* @return string login/recaptcha_v3/recaptcha/basic
*/
function is_get_antispam_method() {
if( 1 == yourls_is_valid_user() ) {
return 'login';
} elseif( isset( ISQ::$recaptcha_v3['sitekey'] ) && ISQ::$recaptcha_v3['sitekey'] && isset( ISQ::$recaptcha_v3['secret'] ) && ISQ::$recaptcha_v3['secret'] ) {
return 'recaptcha_v3';
} elseif( isset( ISQ::$recaptcha['sitekey'] ) && ISQ::$recaptcha['sitekey'] && isset( ISQ::$recaptcha['secret'] ) && ISQ::$recaptcha['secret'] ) {
return 'recaptcha';
} else {
return 'basic';
}
}
/**
* Terminate the request without shortening the URL and
* display an error.
*
* @param string $message Error message.
* @param string $action Action message, defaults to "Go home".
*/
function display_error( $message, $action = null ) {
echo '<div class="content error">';
echo '<p class="message">' . $message . '</p>';
echo '<p class="action">';
if( !empty( $action ) ) {
echo $action;
} else {
echo '<a href="' . YOURLS_SITE . '" class="button">' . yourls__( '&larr; Go home and try again', 'isq_translation' ) . '</a>';
}
echo '</p>';
echo '</div>';
include('footer.php');
die();
}
/**
* Get remote file, either using CURL or file_get_contents
* depending on server configuration.
*
* @param string $url Remote file URL.
* @return string Remote file contents.
*/
function get_remote_file( $url ) {
if( function_exists( 'curl_init' ) ) {
$curl = curl_init();
curl_setopt( $curl, CURLOPT_URL, $url );
curl_setopt( $curl, CURLOPT_RETURNTRANSFER, true );
$output = curl_exec( $curl );
curl_close( $curl );
return $output;
} elseif( ini_get( 'allow_url_fopen' ) ) {
return file_get_contents( $url );
} else {
display_error( yourls__( 'Your server doesn\'t support reCAPTCHA. Ask your host to install cURL or turn on allow_url_fopen.', 'isq_translation' ) );
}
}

11
public/js/app.js
View File

@@ -48,3 +48,14 @@ if( document.querySelectorAll( '.copy-button' ).length > 0 ) {
} ); } );
} }
// reCAPTCHA
if( 'object' === typeof grecaptcha ) {
grecaptcha.ready( function() {
var sitekey = document.querySelectorAll( '#recaptcha-sitekey' )[0].innerHTML;
grecaptcha.execute( sitekey, {action: 'homepage'} ).then( function( token ) {
document.querySelectorAll( '#recaptcha_token' )[0].value = token;
});
});
}

87
result.php
View File

@@ -1,38 +1,6 @@
<?php <?php
include('header.php'); include('header.php');
function display_error( $message, $action = null ) {
echo '<div class="content error">';
echo '<p class="message">' . $message . '</p>';
echo '<p class="action">';
if( !empty( $action ) ) {
echo $action;
} else {
echo '<a href="' . YOURLS_SITE . '" class="button">' . yourls__( '&larr; Go home and try again', 'isq_translation' ) . '</a>';
}
echo '</p>';
echo '</div>';
include('footer.php');
die();
}
function get_remote_file( $url ) {
if( function_exists( 'curl_init' ) ) {
$curl = curl_init();
curl_setopt( $curl, CURLOPT_URL, $url );
curl_setopt( $curl, CURLOPT_RETURNTRANSFER, true );
$output = curl_exec( $curl );
curl_close( $curl );
return $output;
} elseif( ini_get( 'allow_url_fopen' ) ) {
return file_get_contents( $url );
} else {
display_error( yourls__( 'Your server doesn\'t support reCAPTCHA. Ask your host to install cURL or turn on allow_url_fopen.', 'isq_translation' ) );
}
}
if ( empty( $_REQUEST['url'] ) ) { if ( empty( $_REQUEST['url'] ) ) {
display_error( yourls__( 'You haven\'t entered a URL to shorten.', 'isq_translation' ) ); display_error( yourls__( 'You haven\'t entered a URL to shorten.', 'isq_translation' ) );
}; };
@@ -50,34 +18,45 @@ if ( !empty( $_REQUEST['keyword'] ) && yourls_keyword_is_taken( $_REQUEST['keywo
// Check what CAPTCHA method was used // Check what CAPTCHA method was used
$antispam_method = $_REQUEST['antispam_method']; $antispam_method = $_REQUEST['antispam_method'];
if ( $antispam_method == 'user_login' ) { switch( is_get_antispam_method() ) {
case 'login':
if( !yourls_is_valid_user() ) {
display_error( yourls__( 'You are not logged in - please go back and try again.', 'isq_translation' ) );
}
break;
// User is logged into YOURLS case 'recaptcha_v3':
$recaptcha_data = get_remote_file( 'https://www.google.com/recaptcha/api/siteverify?secret=' . ISQ::$recaptcha_v3['secret'] . '&response=' . $_POST['recaptcha_token'] );
$recaptcha = json_decode( $recaptcha_data );
} else if ( $antispam_method == 'recaptcha' ) { if( $recaptcha->success != true || $recaptcha->action != 'homepage' || $recaptcha->score < ISQ::$recaptcha_v3['threshold'] ) {
display_error( yourls__( 'Are you a bot? Google certainly thinks you are.', 'isq_translation' ) );
}
break;
// Google reCAPTCHA is enabled case 'recaptcha':
$recaptcha_data = get_remote_file('https://www.google.com/recaptcha/api/siteverify?secret=' . ISQ::$recaptcha['secret'] . '&response=' . $_REQUEST['g-recaptcha-response']); // Google reCAPTCHA is enabled
$recaptcha_json = json_decode($recaptcha_data, TRUE); $recaptcha_data = get_remote_file( 'https://www.google.com/recaptcha/api/siteverify?secret=' . ISQ::$recaptcha['secret'] . '&response=' . $_POST['g-recaptcha-response'] );
$recaptcha_json = json_decode( $recaptcha_data, true );
// What happens when the reCAPTCHA was completed incorrectly // What happens when the reCAPTCHA was completed incorrectly
if ( $recaptcha_json['success'] != 'true' ) { if ( $recaptcha_json['success'] != 'true' ) {
display_error( yourls__( 'Are you a bot? Google certainly thinks you are.', 'isq_translation' ) ); display_error( yourls__( 'Are you a bot? Google certainly thinks you are.', 'isq_translation' ) );
} }
break;
} else if ( $antispam_method == 'basic' ) { case 'basic':
// Basic antispam protection fallback
// Basic antispam protection fallback // What happens when it was not completed correctly
// What happens when it was not completed correctly if( !empty( $_POST['basic_antispam'] ) ) {
if ( $_REQUEST['basic_antispam'] != "" ) { display_error( yourls__( 'Are you a bot? The anti-spam check was not completed successfully.', 'isq_translation' ) );
display_error( yourls__( 'Are you a bot? The verification was not completed successfully.', 'isq_translation' ) ); }
} break;
} else {
// No antispam protection was detected
display_error( yourls__( 'Are you a bot? No antispam protection was completed successfully.', 'isq_translation' ) );
default:
// No anti-spam check was completed at all
display_error( yourls__( 'Are you a bot? No anti-spam check was completed successfully.', 'isq_translation' ) );
break;
} }
// Get parameters -- they will all be sanitized in yourls_add_new_link() // Get parameters -- they will all be sanitized in yourls_add_new_link()