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mustafaslk/add_recaptcha.php

Forked from BaskSerg/add_recaptcha.php
Created March 27, 2020 17:17
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Revisions

  1. @BaskSerg BaskSerg revised this gist Jan 8, 2018. 1 changed file with 1 addition and 0 deletions.
    1 change: 1 addition & 0 deletions add_recaptcha.php
    View file
    Original file line number Diff line number Diff line change
    @@ -1,3 +1,4 @@
    <?php
    // Add to functions.php

    add_action( 'wp_enqueue_scripts', 'add_recaptcha_js', 5, 1 );
  2. @BaskSerg BaskSerg created this gist Jan 8, 2018.
    70 changes: 70 additions & 0 deletions add_recaptcha.php
    View file
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,70 @@
    // Add to functions.php

    add_action( 'wp_enqueue_scripts', 'add_recaptcha_js', 5, 1 );
    function add_recaptcha_js() {
    // Registration reCAPTHCA api.js, version - null, in footer - false
    wp_register_script( 'recaptcha', 'https://www.google.com/recaptcha/api.js?hl=en', array(), null, false );
    // Include reCAPTHCA api.js
    wp_enqueue_script( 'recaptcha' );
    }

    add_filter('comment_form_submit_button', 'filter_comment_form_submit_button', 10, 2);

    function filter_comment_form_submit_button($submit_button) {
    /* ReCaptcha only for anonymous users
    global $user_ID;
    if (!$user_ID){
    $recaptcha_site_key = 'Site Key';
    echo '<div class="g-recaptcha" data-sitekey="'.$recaptcha_site_key.'"></div>';
    }
    */
    /* For all users */
    $recaptcha_site_key = 'Site key';
    echo '<div class="g-recaptcha" data-sitekey="'.$recaptcha_site_key.'"></div>';

    $submit_before = '<div class="form-group">';
    $submit_after = '</div>';
    return $submit_before . $submit_button . $submit_after;
    }

    function verify_recaptcha_response() {
    $recaptcha_secret_key = 'Secret Key';
    $recaptcha_site_key = 'Site Key';
    if ( isset ( $_POST['g-recaptcha-response'] ) ) {
    $captcha_response = $_POST['g-recaptcha-response'];
    } else {
    return false;
    }

    // Verify the captcha response from Google
    $response = wp_remote_post(
    'https://www.google.com/recaptcha/api/siteverify',
    array(
    'body' => array(
    'secret' => $recaptcha_secret_key,
    'response' => $captcha_response
    )
    )
    );
    $success = false;
    if ( $response && is_array( $response ) ) {
    $decoded_response = json_decode( $response['body'] );
    $success = $decoded_response->success;
    }
    return $success;
    }

    add_action('preprocess_comment', "preprocess_comment_cb");
    function preprocess_comment_cb($commentdata) {
    /* ReCaptcha only for anonymous users
    global $user_ID;
    if ($user_ID) {
    return $commentdata;
    }
    */
    if ( ! verify_recaptcha_response() ) {
    echo '<p style="font-size: 1rem;">You are not verified reCaptcha test. Return to the <a href="#" onclick="history.go(-1);">previous page </a> and try again.';
    exit;
    }
    return $commentdata;
    }