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ReCAPTCHA 公鑰 ==> YOUR SITE KEY
ReCAPTCHA 私鑰 ==> YOUR SECRET KEY
[root@dywang lib]# wget --no-check-certificate -O recaptchalib.php \ https://raw.githubusercontent.com/Mim0oo/PHPreCAPTCHA/master/recaptchalib.php
$curl->get_errno() 為 ->get_errno。
[root@dywang moodle23]# diff -uN lib/recaptchalib_v2.php lib/recaptchalib.php
--- lib/recaptchalib_v2.php 2019-02-27 18:41:19.469687248 +0800
+++ lib/recaptchalib.php 2019-03-05 11:47:15.224470978 +0800
@@ -174,7 +174,7 @@
$curl = new curl();
$curlresponse = $curl->post($verifyurl, $params);
- if ($curl->get_errno() === 0) {
+ if ($curl->get_errno === 0) {
$curldata = json_decode($curlresponse);
if (isset($curldata->success) && $curldata->success === true) {
[root@dywang moodle23]# diff -uNwB ../moodle23.bak/lib/form/recaptcha.php lib/form/recaptcha.php
--- ../moodle23.bak/lib/form/recaptcha.php 2012-06-26 01:14:43.000000000 +0800
+++ lib/form/recaptcha.php 2019-03-05 12:01:10.195188235 +0800
@@ -83,31 +82,14 @@
}
$error = $attributes['error_message'];
unset($attributes['error_message']);
-
- $strincorrectpleasetryagain = get_string('incorrectpleasetryagain', 'auth');
- $strenterthewordsabove = get_string('enterthewordsabove', 'auth');
- $strenterthenumbersyouhear = get_string('enterthenumbersyouhear', 'auth');
- $strgetanothercaptcha = get_string('getanothercaptcha', 'auth');
- $strgetanaudiocaptcha = get_string('getanaudiocaptcha', 'auth');
- $strgetanimagecaptcha = get_string('getanimagecaptcha', 'auth');
+ $lang = recaptcha_lang(current_language());
$html .= '
-<div id="recaptcha_widget" style="display:none">
-
-<div id="recaptcha_image"></div>
-<div class="recaptcha_only_if_incorrect_sol" style="color:red">' . $strincorrectpleasetryagain . '</div>
-
-<span class="recaptcha_only_if_image"><label for="recaptcha_response_field">' . $strenterthewordsabove . '</label></span>
-<span class="recaptcha_only_if_audio"><label for="recaptcha_response_field">' . $strenterthenumbersyouhear . '</label></span>
+ <script src="https://www.google.com/recaptcha/api.js?onload=recaptchacallback&hl='. $lang .'" async defer></script>
+ <div class="g-recaptcha" data-sitekey="'.$CFG->recaptchapublickey .'"></div>
+ <input type="submit" value="Submit">';
-<input type="text" id="recaptcha_response_field" name="recaptcha_response_field" />
-<input type="hidden" name="recaptcha_element" value="dummyvalue" /> <!-- Dummy value to fool formslib -->
-<div><a href="javascript:Recaptcha.reload()">' . $strgetanothercaptcha . '</a></div>
-<div class="recaptcha_only_if_image"><a href="javascript:Recaptcha.switch_type(\'audio\')">' . $strgetanaudiocaptcha . '</a></div>
-<div class="recaptcha_only_if_audio"><a href="javascript:Recaptcha.switch_type(\'image\')">' . $strgetanimagecaptcha . '</a></div>
-</div>';
-
- return $html . recaptcha_get_html($CFG->recaptchapublickey, $error, $this->_https);
+ return $html; // . recaptcha_get_html($CFG->recaptchapublickey, $error, $this->_https);
}
@@ -133,25 +115,22 @@
}
/**
- * Checks input and challenged field
+ * Checks recaptcha response with Google.
*
- * @param string $challenge_field recaptcha shown to user
- * @param string $response_field input value by user
+ * @param string $responsestr
* @return bool
*/
- function verify($challenge_field, $response_field) {
+ public function verify($responsestr) {
global $CFG;
- require_once $CFG->libdir . '/recaptchalib.php';
- $response = recaptcha_check_answer($CFG->recaptchaprivatekey,
- getremoteaddr(),
- $challenge_field,
- $response_field,
- $this->_https);
- if (!$response->is_valid) {
+ require_once($CFG->libdir . '/recaptchalib.php');
+
+ $response = recaptcha_check_response(RECAPTCHA_VERIFY_URL, $CFG->recaptchaprivatekey,
+ getremoteaddr(), $responsestr);
+ if (!$response['isvalid']) {
$attributes = $this->getAttributes();
- $attributes['error_message'] = $response->error;
+ $attributes['error_message'] = $response['error'];
$this->setAttributes($attributes);
- return $response->error;
+ return $response['error'];
}
return true;
}
login/signup_form.php 中啟動 reCAPTCH 時的驗證程式。
[root@dywang moodle23]# diff -uN ../moodle23.bak/login/signup_form.php login/signup_form.php
--- ../moodle23.bak/login/signup_form.php 2012-08-19 15:20:40.000000000 +0800
+++ login/signup_form.php 2019-03-05 11:34:25.069754509 +0800
@@ -172,15 +172,14 @@
}
if ($this->signup_captcha_enabled()) {
- $recaptcha_element = $this->_form->getElement('recaptcha_element');
- if (!empty($this->_form->_submitValues['recaptcha_challenge_field'])) {
- $challenge_field = $this->_form->_submitValues['recaptcha_challenge_field'];
- $response_field = $this->_form->_submitValues['recaptcha_response_field'];
- if (true !== ($result = $recaptcha_element->verify($challenge_field, $response_field))) {
- $errors['recaptcha'] = $result;
+ $recaptchaelement = $this->_form->getElement('recaptcha_element');
+ if (!empty($this->_form->_submitValues['g-recaptcha-response'])) {
+ $response = $this->_form->_submitValues['g-recaptcha-response'];
+ if (!$recaptchaelement->verify($response)) {
+ $errors['recaptcha_element'] = get_string('incorrectpleasetryagain', 'auth');
}
} else {
- $errors['recaptcha'] = get_string('missingrecaptchachallengefield');
+ $errors['recaptcha_element'] = get_string('missingrecaptchachallengefield');
}
}
// Validate customisable profile fields. (profile_validation expects an object as the parameter with userid set)
