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-rw-r--r--extensions/ConfirmEdit/QuestyCaptcha/QuestyCaptcha.class.php82
1 files changed, 82 insertions, 0 deletions
diff --git a/extensions/ConfirmEdit/QuestyCaptcha/QuestyCaptcha.class.php b/extensions/ConfirmEdit/QuestyCaptcha/QuestyCaptcha.class.php
new file mode 100644
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+++ b/extensions/ConfirmEdit/QuestyCaptcha/QuestyCaptcha.class.php
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+<?php
+
+/**
+ * QuestyCaptcha class
+ *
+ * @file
+ * @author Benjamin Lees <emufarmers@gmail.com>
+ * @ingroup Extensions
+ */
+
+class QuestyCaptcha extends SimpleCaptcha {
+
+ /** Validate a captcha response */
+ function keyMatch( $answer, $info ) {
+ if ( is_array( $info['answer'] ) ) {
+ return in_array( strtolower( $answer ), $info['answer'] );
+ } else {
+ return strtolower( $answer ) == strtolower( $info['answer'] );
+ }
+ }
+
+ function addCaptchaAPI( &$resultArr ) {
+ $captcha = $this->getCaptcha();
+ $index = $this->storeCaptcha( $captcha );
+ $resultArr['captcha']['type'] = 'question';
+ $resultArr['captcha']['mime'] = 'text/plain';
+ $resultArr['captcha']['id'] = $index;
+ $resultArr['captcha']['question'] = $captcha['question'];
+ }
+
+ function getCaptcha() {
+ global $wgCaptchaQuestions;
+
+ //Backwards compatibility
+ if ( $wgCaptchaQuestions === array_values( $wgCaptchaQuestions ) ) {
+ return $wgCaptchaQuestions[ mt_rand( 0, count( $wgCaptchaQuestions ) - 1 ) ];
+ }
+
+ $question = array_rand( $wgCaptchaQuestions, 1 );
+ $answer = $wgCaptchaQuestions[ $question ];
+ return array( 'question' => $question, 'answer' => $answer );
+ }
+
+ function getForm() {
+ $captcha = $this->getCaptcha();
+ if ( !$captcha ) {
+ die( "No questions found; set some in LocalSettings.php using the format from QuestyCaptcha.php." );
+ }
+ $index = $this->storeCaptcha( $captcha );
+ return "<p><label for=\"wpCaptchaWord\">{$captcha['question']}</label> " .
+ Html::element( 'input', array(
+ 'name' => 'wpCaptchaWord',
+ 'id' => 'wpCaptchaWord',
+ 'class' => 'mw-ui-input',
+ 'required',
+ 'autocomplete' => 'off',
+ 'tabindex' => 1 ) ) . // tab in before the edit textarea
+ "</p>\n" .
+ Xml::element( 'input', array(
+ 'type' => 'hidden',
+ 'name' => 'wpCaptchaId',
+ 'id' => 'wpCaptchaId',
+ 'value' => $index ) );
+ }
+
+ function getMessage( $action ) {
+ $name = 'questycaptcha-' . $action;
+ $text = wfMessage( $name )->text();
+ # Obtain a more tailored message, if possible, otherwise, fall back to
+ # the default for edits
+ return wfMessage( $name, $text )->isDisabled() ? wfMessage( 'questycaptcha-edit' )->text() : $text;
+ }
+
+ function showHelp() {
+ global $wgOut;
+ $wgOut->setPageTitle( wfMessage( 'captchahelp-title' )->text() );
+ $wgOut->addWikiMsg( 'questycaptchahelp-text' );
+ if ( CaptchaStore::get()->cookiesNeeded() ) {
+ $wgOut->addWikiMsg( 'captchahelp-cookies-needed' );
+ }
+ }
+}