PHP recaptcha_check_answer函数代码示例

 public static function checkAnswer()
 {
     // global private key of ThinPHP subscription from reCAPTCHA. You can use this.
     $privatekey = "6LfUVcISAAAAABtSNKYdZIcbfo8-_qA5kkg8ONPM";
     $resp = recaptcha_check_answer($privatekey, $_SERVER["REMOTE_ADDR"], $_POST["recaptcha_challenge_field"], $_POST["recaptcha_response_field"]);
     return $resp->is_valid;
 }

 private function reCaptcha()
 {
     require_once '/var/www/html/laravel/app/library/recaptchalib.php';
     $privatekey = "6LdaP_oSAAAAAE3zyUWf_XpZmVE_Qbbj7ggRIoiC";
     $resp = recaptcha_check_answer($privatekey, $_SERVER["REMOTE_ADDR"], Input::get("recaptcha_challenge_field"), Input::get("recaptcha_response_field"));
     return array('valid' => $resp->is_valid, 'error' => $resp->error);
 }

 function ValidateCaptcha($Value = NULL)
 {
     require_once PATH_LIBRARY . '/vendors/recaptcha/functions.recaptchalib.php';
     $CaptchaPrivateKey = C('Garden.Registration.CaptchaPrivateKey', '');
     $Response = recaptcha_check_answer($CaptchaPrivateKey, Gdn::Request()->IpAddress(), Gdn::Request()->Post('recaptcha_challenge_field', ''), Gdn::Request()->Post('recaptcha_response_field', ''));
     return $Response->is_valid ? TRUE : 'The reCAPTCHA value was not entered correctly. Please try again.';
 }

 function grab_value()
 {
     if ($this->keys_available()) {
         $request = $this->get_request();
         if (!empty($request["recaptcha_challenge_field"]) && !empty($request["recaptcha_response_field"])) {
             $resp = recaptcha_check_answer($this->get_private_key(), $_SERVER["REMOTE_ADDR"], $request["recaptcha_challenge_field"], $request["recaptcha_response_field"]);
             if ($resp->is_valid) {
                 return 1;
             } else {
                 if ($resp->error == 'invalid-site-private-key') {
                     trigger_error("The reCAPTCHA challenge was ignored - reCAPTCHA reports that your site private key is invalid.");
                 } elseif ($resp->error == 'invalid-request-cookie') {
                     // lets remove this trigger since this can happens often with the non-javascript version.
                     //trigger_error ("Recaptcha challenge parameter was not correctly passed - make sure reCAPTCHA is properly configured.");
                     $this->set_error("The reCAPTCHA wasn't entered correctly. Please try again.");
                 } elseif ($resp->error == 'incorrect-captcha-sol') {
                     $this->set_error("The reCAPTCHA wasn't entered correctly. Please try again.");
                 }
             }
         } else {
             $this->set_error("You must respond to the reCAPTCHA challenge question to complete the form");
         }
         return 0;
     }
 }

 public function conta_click($url, $captcha)
 {
     global $db_host, $db_user, $db_pass, $db_name;
     $this->Open($db_host, $db_user, $db_pass, $db_name);
     if (@$_POST['send'] == 1) {
         //Anti Flood
         $privatekey = "6Lc7yMASAAAAANiJ4_F-BbnxvC3hUlxdAT85PCUE";
         $userip = $_SERVER["REMOTE_ADDR"];
         $reCAPTCHA_f = $_POST["recaptcha_challenge_field"];
         $reCAPTCHA_r = $_POST["recaptcha_response_field"];
         $resp = recaptcha_check_answer($privatekey, $userip, $reCAPTCHA_f, $reCAPTCHA_r);
         if (!$resp->is_valid) {
             die("<br /><br /><center>Errore! Captcha Inserito non corretto!\n<br />Errore reCaptcha: " . $resp->error . "<br />\n<a href=\"index.php?page=visita&go_url=" . @$_GET['go_url'] . "\">Riprova</a></center>");
         }
         //Hijacking control - Thanks gabry9191 for the bug
         $this->check_url($this->mysql_parse($url));
         $url = $this->mysql_parse($url);
         $num_click = $this->Query("SELECT `num_click` FROM page_rank_hack WHERE site = '{$url}'");
         $row = mysql_fetch_row($num_click);
         $app = $row[0] + 1;
         $sql = $this->Query("UPDATE `page_rank_hack` SET num_click = '{$app}' WHERE site = '{$url}'");
         die(header('Location: ' . $url));
     } else {
         $publickey = "6Lc7yMASAAAAAPYmegj3CxwkLJlg3demRNHEzsUd";
         print "\n<center>" . "\n<h2 align=\"center\">Captcha Security (Anti-Flood)</h2><br /><br />\n" . "\n<form method=\"POST\" action=\"index.php?page=visita&go_url=" . htmlspecialchars($_GET['go_url']) . "\" />" . "\n";
         print recaptcha_get_html($publickey);
         print "<br />" . "\n<input type=\"hidden\" name=\"send\" value=\"1\" />" . "\n<input type=\"submit\" value=\"Visita\" />" . "\n</form>" . "\n</center>" . "";
     }
 }

function faucet_valid_captcha($SETTINGS, $remote_address, $captcha_data = array())
{
    $isGood = false;
    if ($SETTINGS->config["use_captcha"]) {
        if ($SETTINGS->config["captcha"] == "recaptcha") {
            //Load re-captcha library
            require_once './libraries/recaptchalib.php';
            $resp = @recaptcha_check_answer($SETTINGS->config["captcha_config"]["recpatcha_private_key"], $remote_address, $captcha_data['recaptcha_challenge_field'], $captcha_data['recaptcha_response_field']);
            $isGood = $resp->is_valid;
            // $resp->error;
        } elseif ($SETTINGS->config["captcha"] == "solvemedia") {
            //Load solvemedia library
            require_once './libraries/solvemedialib.php';
            $resp = @solvemedia_check_answer($SETTINGS->config["captcha_config"]["solvemedia_private_key"], $remote_address, $captcha_data['adcopy_challenge'], $captcha_data['adcopy_response'], $SETTINGS->config["captcha_config"]["solvemedia_hash_key"]);
            $isGood = $resp->is_valid;
            // $resp->error;
        } else {
            //Load simple captcha library
            @session_name($SETTINGS->config["captcha_config"]["simple_captcha_session_name"]);
            @session_start();
            $isGood = $captcha_data['captcha_code'] == @$_SESSION['captcha']['code'];
            //Prevent re-submissions
            unset($_SESSION['captcha']['code']);
        }
    } else {
        //If no CAPTCHA is in use, then return true
        $isGood = true;
    }
    return $isGood;
}

 public function validate($row, $postData)
 {
     $ret = parent::validate($row, $postData);
     $sess = new Kwf_Session_Namespace('recaptcha');
     if ($sess->validated) {
         //if user did solve one captcha we store that in session and don't annoy him again
         return $ret;
     }
     if (empty($_POST["recaptcha_challenge_field"]) || empty($_POST["recaptcha_response_field"])) {
         $ret[] = array('message' => trlKwf('Please solve captcha correctly'), 'field' => $this);
         return $ret;
     }
     require_once 'vendor/koala-framework/recaptcha-php/recaptchalib.php';
     $resp = recaptcha_check_answer(Kwf_Config::getValue('recaptcha.privateKey'), $_SERVER["REMOTE_ADDR"], $_POST["recaptcha_challenge_field"], $_POST["recaptcha_response_field"]);
     if (!$resp->is_valid) {
         $msg = $resp->error;
         if ($msg == 'incorrect-captcha-sol') {
             $msg = trlKwf('Please solve captcha correctly');
         }
         $ret[] = array('message' => $msg, 'field' => $this);
     } else {
         $sess->validated = true;
     }
     return $ret;
 }

 public function postContact()
 {
     require_once public_path() . '/recaptcha/recaptchalib.php';
     $private_key = "6LeqigQTAAAAAG8dmp7aH1HuPeJqB3lfJ_Fjx3xw";
     $resp = recaptcha_check_answer($private_key, $_SERVER["REMOTE_ADDR"], $_POST["recaptcha_challenge_field"], $_POST["recaptcha_response_field"]);
     if (!$resp->is_valid) {
         // What happens when the CAPTCHA was entered incorrectly
         return Redirect::route('get-contact')->with('global', 'Human user verification did not match. Try again!');
     } else {
         // Your code here to handle a successful verification
         $validator = Validator::make(Input::all(), array('name' => 'required|max:50', 'email' => 'required|email', 'comments' => 'required', 'phone' => 'numeric'));
         if ($validator->fails()) {
             return Redirect::route('get-contact')->withInput()->withErrors($validator);
         } else {
             $name = Input::get('name');
             $email = Input::get('email');
             $phone = Input::get('phone');
             $comments = Input::get('comments');
             Mail::send('emails.contact', array('name' => $name, 'email' => $email, 'comments' => $comments), function ($message) use($name, $email, $comments, $phone) {
                 $message->from($email, $name);
                 $message->to('info@srilankahotels.travel', 'Thilina Herath')->subject('Contact us emails');
             });
             // Redirect to page
             return Redirect::route('default-message')->with('global', 'Your message has been sent. Thank You!');
         }
     }
 }

 function checkCaptcha($input, $options = array())
 {
     $this->load();
     $privatekey = $options['privatekey'];
     $resp = recaptcha_check_answer($privatekey, $_SERVER["REMOTE_ADDR"], $_POST["recaptcha_challenge_field"], $_POST["recaptcha_response_field"]);
     return $resp->is_valid;
 }

 private function performRegistration()
 {
     global $config, $userdb, $user;
     // Check recaptcha answer
     $resp = recaptcha_check_answer($this->options["recaptcha_privatekey"], $_SERVER["REMOTE_ADDR"], $_POST["recaptcha_challenge_field"], $_POST["recaptcha_response_field"]);
     if (empty($_POST["user"])) {
         echo "<p>Es wurde kein Nutzername angegeben.</p>";
     } else {
         if (strlen($_POST["user"]) < 3) {
             echo "<p>Der Nutzername muss aus mindestens 3 Zeichen bestehen.</p>";
         } else {
             if (!preg_match("/^[-a-zA-Z0-9\\.]+\$/", $_POST["user"])) {
                 echo "<p>Der Nutzername darf nur Buchstaben (A-Z), Zahlen (0-9), Bindestriche und Punkte enthalten.</p>";
             } else {
                 if ($userdb->userExists($_POST["user"])) {
                     echo "<p>Der angegebene Nutzername ist leider schon vergeben.</p>";
                 } else {
                     if (empty($_POST["mail"])) {
                         echo "<p>Es wurde keine E-Mail Adresse angegeben.</p>";
                     } else {
                         if (!$userdb->isValidMailAddress($_POST["mail"])) {
                             echo "<p>Die angegebene E-Mail Adresse ist ung&uuml;ltig.</p>";
                         } else {
                             if ($config["misc"]["singletonmail"] && $userdb->mailUsed($_POST["mail"])) {
                                 echo "<p>Die angegebene E-Mail Adresse wird bereits bei einem anderen Account verwendet.</p>";
                             } else {
                                 if (empty($_POST["pass"])) {
                                     echo "<p>Es wurde kein Passwort angegeben.</p>";
                                 } else {
                                     if ($_POST["pass"] != $_POST["pass_repeat"]) {
                                         echo "<p>Die beiden Passw&ouml;rter stimmen nicht &uuml;berein.</p>";
                                     } else {
                                         if (strlen($_POST["pass"]) < 6) {
                                             echo "<p>Das Passwort muss mindestens 6 Zeichen lang sein.</p>";
                                         } else {
                                             if (empty($_POST["recaptcha_challenge_field"]) || empty($_POST["recaptcha_response_field"])) {
                                                 echo "<p>Der Captcha muss gel&ouml;st werden!</p>";
                                             } else {
                                                 if (!$resp->is_valid) {
                                                     echo "<p>Falsche Captcha-L&ouml;sung.</p>";
                                                 } else {
                                                     if ($user = $userdb->registerUser($_POST["user"], $_POST["pass"], $_POST["mail"])) {
                                                         header("Location: index.php?module=profile&do=verify_mail&mail=" . urlencode($_POST["mail"]));
                                                         return;
                                                     } else {
                                                         echo "<p>Fehler beim Registrieren!</p>";
                                                     }
                                                 }
                                             }
                                         }
                                     }
                                 }
                             }
                         }
                     }
                 }
             }
         }
     }
 }

    public function submit($vars)
    {
        $form = $this->db->fetch("SELECT * FROM lf_forms WHERE id = " . intval($this->ini));
        $pos = strpos($form['content'], '{recaptcha}');
        if ($pos !== false) {
            if (!isset($_POST["recaptcha_challenge_field"], $_POST["recaptcha_response_field"])) {
                return 'Invalid POST';
            }
            $privatekey = "6LffguESAAAAACsudOF71gJLJE_qmvl4ey37qx8l";
            $resp = recaptcha_check_answer($privatekey, $_SERVER["REMOTE_ADDR"], $_POST["recaptcha_challenge_field"], $_POST["recaptcha_response_field"]);
            if (!$resp->is_valid) {
                return 'Invalid recaptcha';
            }
            unset($_POST["recaptcha_challenge_field"], $_POST["recaptcha_response_field"]);
        }
        $data = json_encode($_POST);
        $result = $this->db->query("INSERT INTO lf_formdata (`id`, `form_id`, `data`, `date`) VALUES (\n\t\t\tNULL, " . intval($this->ini) . ", '" . $this->db->escape($data) . "', NOW()\n\t\t)");
        if (!$result) {
            return '<p>Failed to submit. Contact an admin.</p>';
        }
        if ($form['email'] != '') {
            $msg = "Hello,\n\t\t\t\nNew form data has been submitted for '" . $form['title'] . "':\n\n";
            foreach ($_POST as $var => $val) {
                $msg .= $var . ": " . $val . "\n";
            }
            $msg .= '
Do not reply to this message. It was automated.';
            mail($form['email'], "New form data submitted: " . $form['title'], $msg, 'From: noreply@' . $_SERVER['SERVER_NAME']);
        }
        echo '<p>Form submitted successfully. Thank you!</p>';
    }

 public function book()
 {
     require_once 'recaptchalib.php';
     $privatekey = "6LdEweMSAAAAAGI1hyasxa4pPu_Fd_HP0QXU9rEY";
     $resp = recaptcha_check_answer($privatekey, $_SERVER["REMOTE_ADDR"], $_POST["recaptcha_challenge_field"], $_POST["recaptcha_response_field"]);
     $this->load->model("bookingtaxi_model");
     $precount = $this->bookingtaxi_model->count_order_temp();
     if ($this->input->post('rad_Ready_to_go') == 'Now') {
         $string = date('Y-m-d h:m:s A');
     } else {
         $select_date = $this->input->post("ddl_Select_Date");
         $am = $this->input->post("ddl_AM");
         $hours = $this->input->post("ddl_hours");
         $minutes = $this->input->post("ddl_minutes");
         $string = $select_date . " " . $hours . ":" . $minutes . ":" . '00' . ' ' . $am;
     }
     $object = array("passenger" => $this->input->post("rad_passenger"), "name" => $this->input->post("txt_Name"), "contact_number" => $this->input->post("txt_Contact_Number"), "start_address" => $this->input->post("txt_Start_Address"), "unit_or_flat" => $this->input->post("txt_Unit_or_Flat"), "building_type" => $this->input->post("rad_Building_Type"), "business_name" => $this->input->post("txt_Business_name"), "remember_detail" => $this->input->post("chk_Remember_Details"), "end_address" => $this->input->post("txt_End_Address"), "distance" => $this->input->post("txt_Distance"), "car_type" => $this->input->post("rad_Car_Type"), "node_for_driver" => $this->input->post("ddl_Notes"), "time_to_go" => $string, "price" => floatval($this->input->post("txt_Distance")) * '1.617', "status_id" => "1", "payment" => $this->input->post("rad_Payment"), "driver" => "null");
     $inform = array("passenger" => $this->input->post("rad_passenger"), "name" => $this->input->post("txt_Name"), "contact_number" => $this->input->post("txt_Contact_Number"), "address" => $this->input->post("txt_Start_Address"), "unit_or_flat" => $this->input->post("txt_Unit_or_Flat"), "building_type" => $this->input->post("rad_Building_Type"), "business_name" => $this->input->post("txt_Business_name"));
     $this->bookingtaxi_model->booking($object);
     $lastcount = $this->bookingtaxi_model->count_order_temp();
     if ($lastcount > $precount) {
         echo 'booking success!!!';
         echo '<meta http-equiv="refresh" content="2;' . base_url() . '" />';
     } else {
         echo 'bookingfail!!!';
         break;
     }
     if ($this->input->post("chk_Remember_Details") == '1') {
         $this->bookingtaxi_model->addcustomer_temp($inform);
     }
 }

 function doPost(&$post)
 {
     $id = 0;
     // reCAPTCHA.
     if ($this->conf['useRecaptcha']) {
         $resp = recaptcha_check_answer($this->conf['privkey'], $_SERVER["REMOTE_ADDR"], $_POST["recaptcha_challenge_field"], $_POST["recaptcha_response_field"]);
         if (!$resp->is_valid) {
             $this->errors[] = "The CAPTCHA you entered was incorrect. If you have trouble with the image you can refresh it, or simply use the speaker icon to hear it.";
             return $id;
         }
     }
     // Validate some inputs.
     $post["title"] = $this->_cleanUsername($post["title"]);
     $post["format"] = $this->_cleanFormat($post["format"]);
     $post["expiry"] = $this->_cleanExpiry($post["expiry"]);
     // Set/clear the persistName cookie.
     if (isset($post["remember"])) {
         $value = $post["title"] . '#' . $post["format"] . '#' . $post['expiry'];
         // Set cookie if not set.
         if (!isset($_COOKIE["persistName"]) || $value != $_COOKIE["persistName"]) {
             setcookie("persistName", $value, time() + 3600 * 24 * 365);
         }
     } else {
         // Clear cookie if set.
         if (isset($_COOKIE['persistName'])) {
             setcookie('persistName', '', 0);
         }
     }
     if (strlen($post['code'])) {
         $title = preg_replace('/[^A-Za-z0-9_ \\-]/', '', $post['title']);
         $title = $post['title'];
         if (strlen($title) == 0) {
             $title = 'Untitled';
         }
         $format = $post['format'];
         if (!array_key_exists($format, $this->conf['geshiformats'])) {
             $format = '';
         }
         $code = $post["code"];
         if (empty($post["password"]) || $post["password"] == "") {
             $password = "EMPTY";
         } else {
             $password = sha1($post["password"] . $salt);
         }
         // Now insert..
         $parent_pid = 0;
         if (isset($post["parent_pid"])) {
             $parent_pid = intval($post["parent_pid"]);
         }
         if ($logged_in == 1) {
             $user_id = $user->id;
         } else {
             $user_id = 0;
         }
         $id = $this->db->addPost($title, $format, $code, $parent_pid, $post["expiry"], $password, $user_id);
     } else {
         $this->errors[] = "Please specify a paste to submit.";
     }
     return $id;
 }

 function checkCode($checkarray, $captchatype = 'myCaptcha')
 {
     if ($captchatype == 'myCaptcha') {
         // First, delete old captchas
         $expiration = time() - 3600;
         // Two hour limit
         $db =& JFactory::getDBO();
         $db->setQuery("DELETE FROM #__cb_mycaptcha WHERE captcha_time < " . $expiration);
         $db->query();
         // Then see if a captcha exists:
         $sql = "SELECT COUNT(*) AS count " . "\n FROM #__cb_mycaptcha " . "\n WHERE word = '{$checkarray['word']}' AND ip_address = '{$checkarray['ip']}' AND captcha_time > {$expiration}";
         $query = $db->setQuery($sql);
         if ($db->loadResult()) {
             return true;
         } else {
             return false;
         }
     }
     if ($captchatype == 'reCaptcha') {
         require_once 'recaptcha' . DS . 'recaptchalib.php';
         $res = recaptcha_check_answer($checkarray['privatekey'], CbmycaptchaModel::GetUserIp(), $checkarray["rec_ch_field"], $checkarray["rec_res_field"]);
         if (!$res->is_valid) {
             return false;
         } else {
             return true;
         }
     }
 }

 function send()
 {
     $mail = HTTP::_GP('mail', '', true);
     $errorMessages = array();
     if (empty($mail)) {
         $errorMessages[] = t('passwordErrorMailEmpty');
     }
     if (Config::get('capaktiv') === '1') {
         require_once 'includes/libs/reCAPTCHA/recaptchalib.php';
         $resp = recaptcha_check_answer(Config::get('capprivate'), $_SERVER['REMOTE_ADDR'], $_REQUEST['recaptcha_challenge_field'], $_REQUEST['recaptcha_response_field']);
         if (!$resp->is_valid) {
             $errorMessages[] = t('registerErrorCaptcha');
         }
     }
     if (!empty($errorMessages)) {
         $message = implode("<br>\r\n", $errorMessages);
         $this->printMessage($message, NULL, array(array('label' => t('passwordBack'), 'url' => 'index.php?page=lostPassword')));
     }
     $userID = $GLOBALS['DATABASE']->getFirstCell("SELECT id FROM " . USERS . " WHERE universe = " . $GLOBALS['UNI'] . " AND  email_2 = '" . $GLOBALS['DATABASE']->escape($mail) . "';");
     if (empty($userID)) {
         $this->printMessage(t('passwordErrorUnknown'), NULL, array(array('label' => t('passwordBack'), 'url' => 'index.php?page=lostPassword')));
     }
     $hasChanged = $GLOBALS['DATABASE']->getFirstCell("SELECT COUNT(*) FROM " . LOSTPASSWORD . " WHERE userID = " . $userID . " AND time > " . (TIMESTAMP - 86400) . " AND hasChanged = 0;");
     if (!empty($hasChanged)) {
         $this->printMessage(t('passwordErrorOnePerDay'), NULL, array(array('label' => t('passwordBack'), 'url' => 'index.php?page=lostPassword')));
     }
     $validationKey = md5(uniqid());
     $MailRAW = $GLOBALS['LNG']->getTemplate('email_lost_password_validation');
     $MailContent = str_replace(array('{USERNAME}', '{GAMENAME}', '{VALIDURL}'), array($mail, Config::get('game_name') . ' - ' . Config::get('uni_name'), HTTP_PATH . 'index.php?page=lostPassword&mode=newPassword&u=' . $userID . '&k=' . $validationKey), $MailRAW);
     require 'includes/classes/Mail.class.php';
     Mail::send($mail, $mail, t('passwordValidMailTitle', Config::get('game_name')), $MailContent);
     $GLOBALS['DATABASE']->query("INSERT INTO " . LOSTPASSWORD . " SET userID = " . $userID . ", `key` = '" . $validationKey . "', time = " . TIMESTAMP . ", fromIP = '" . $_SERVER['REMOTE_ADDR'] . "';");
     $this->printMessage(t('passwordValidMailSend'), NULL, array(array('label' => t('passwordNext'), 'url' => 'index.php')));
 }