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Initial commit - Typo3 11.5.41

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Matteo Gallo
2026-07-03 17:53:31 +02:00
commit 5ca4743197
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80
typo3conf/ext/sr_freecap/Classes/Controller/AudioPlayerController.php Normal file
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<?php
namespace SJBR\SrFreecap\Controller;
/*
* Copyright notice
*
* (c) 2012-2021 Stanislas Rolland <typo3AAAA(arobas)sjbr.ca>
* All rights reserved
*
* This script is part of the TYPO3 project. The TYPO3 project is
* free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* The GNU General Public License can be found at
* http://www.gnu.org/copyleft/gpl.html.
* A copy is found in the textfile GPL.txt and important notices to the license
* from the author is found in LICENSE.txt distributed with these scripts.
*
*
* This script is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* This copyright notice MUST APPEAR in all copies of the script!
*/
use SJBR\SrFreecap\Domain\Repository\WordRepository;
use SJBR\SrFreecap\View\AudioPlayer\PlayMp3;
use SJBR\SrFreecap\View\AudioPlayer\PlayWav;
use TYPO3\CMS\Core\Utility\GeneralUtility;
use TYPO3\CMS\Extbase\Mvc\Controller\ActionController;
/**
* Renders a wav audio version of the CAPTCHA
*/
class AudioPlayerController extends ActionController
{
/**
* @var string Name of the extension this controller belongs to
*/
protected $extensionName = 'SrFreecap';
/**
* @var WordRepository
*/
protected $wordRepository;
/**
* Dependency injection of the Word Repository
*
* @param WordRepository $wordRepository
*/
public function injectWordRepository(WordRepository $wordRepository)
{
$this->wordRepository = $wordRepository;
}
/**
* Play the audio catcha
*
* @return string Audio content to be sent to the client
*/
public function playAction()
{
$word = $this->wordRepository->getWord();
$format = $this->request->getFormat();
if ($format === 'mp3') {
$this->view = GeneralUtility::makeInstance(PlayMp3::class);
} else if ($format === 'wav') {
$this->view = GeneralUtility::makeInstance(PlayWav::class);
} else {
throw new \Exception('Unknow audio format ' . $format);
}
$this->view->assign('word', $word);
$this->view->render();
}
}

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typo3conf/ext/sr_freecap/Classes/Controller/FontMakerController.php Normal file
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<?php
namespace SJBR\SrFreecap\Controller;
/***************************************************************
* Copyright notice
*
* (c) 2012-2021 Stanislas Rolland <typo3AAAA(arobas)sjbr.ca>
* All rights reserved
*
* This script is part of the TYPO3 project. The TYPO3 project is
* free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* The GNU General Public License can be found at
* http://www.gnu.org/copyleft/gpl.html.
* A copy is found in the textfile GPL.txt and important notices to the license
* from the author is found in LICENSE.txt distributed with these scripts.
*
*
* This script is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* This copyright notice MUST APPEAR in all copies of the script!
***************************************************************/
use SJBR\SrFreecap\Domain\Model\Font;
use SJBR\SrFreecap\Domain\Repository\FontRepository;
use TYPO3\CMS\Core\Utility\GeneralUtility;
use TYPO3\CMS\Extbase\Mvc\Controller\ActionController;
/**
* Font Maker controller
*/
class FontMakerController extends ActionController
{
/**
* @var string Name of the extension this controller belongs to
*/
protected $extensionName = 'SrFreecap';
/**
* Display the font maker form
*
* @param Font $font
* @return string An HTML form for creating a new font
*/
public function newAction(Font $font = null)
{
if (!is_object($font)) {
$font = new Font();
}
$this->view->assign('font', $font);
}
/**
* Create the font file and display the result
*
* @param Font $font
* @return string HTML presenting the new font that was created
*/
public function createAction(Font $font)
{
// Create the font data
$font->createGdFontFile();
// Store the GD font file
$fontRepository = GeneralUtility::makeInstance(FontRepository::class);
$fontRepository->writeFontFile($font);
$this->view->assign('font', $font);
}
}

234
typo3conf/ext/sr_freecap/Classes/Controller/ImageGeneratorController.php Normal file
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<?php
namespace SJBR\SrFreecap\Controller;
/*
* Copyright notice
*
* (c) 2012-2022 Stanislas Rolland <typo3AAAA(arobas)sjbr.ca>
* All rights reserved
*
* This script is part of the TYPO3 project. The TYPO3 project is
* free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* The GNU General Public License can be found at
* http://www.gnu.org/copyleft/gpl.html.
* A copy is found in the textfile GPL.txt and important notices to the license
* from the author is found in LICENSE.txt distributed with these scripts.
*
*
* This script is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* This copyright notice MUST APPEAR in all copies of the script!
*/
use SJBR\SrFreecap\Domain\Repository\WordRepository;
use SJBR\SrFreecap\View\ImageGenerator\ShowPng;
use TYPO3\CMS\Core\Core\Environment;
use TYPO3\CMS\Core\Utility\ExtensionManagementUtility;
use TYPO3\CMS\Core\Utility\GeneralUtility;
use TYPO3\CMS\Extbase\Mvc\Controller\ActionController;
use TYPO3\CMS\Extbase\Utility\LocalizationUtility;
/**
* Renders the CAPTCHA image
*/
class ImageGeneratorController extends ActionController
{
/**
* @var string Name of the extension this controller belongs to
*/
protected $extensionName = 'SrFreecap';
/**
* @var string Name of the extension this controller belongs to
*/
protected $extensionKey = 'sr_freecap';
/**
* @var WordRepository
*/
protected $wordRepository;
/**
* Dependency injection of the Word Repository
*
* @param WordRepository $wordRepository
*/
public function injectWordRepository(WordRepository $wordRepository)
{
$this->wordRepository = $wordRepository;
}
/**
* Show the CAPTCHA image
*/
public function showAction()
{
// Get session data
$word = $this->wordRepository->getWord();
// Which type of hash to use
// Store in session so can validate in form processor
$word->setHashFunction('md5');
$this->view = GeneralUtility::makeInstance(ShowPng::class);
$this->view->assign('word', $word);
// Adjust settings
$this->processSettings();
$this->view->assign('settings', $this->settings);
// Render the captcha image
$this->view->render();
// Store the session data
$this->wordRepository->setWord($word);
}
/**
* Reviews and adjusts plugin settings
*/
protected function processSettings()
{
// Image type:
// possible values: "jpg", "png", "gif"
// jpg doesn't support transparency (transparent bg option ends up white)
// png isn't supported by old browsers (see http://www.libpng.org/pub/png/pngstatus.html)
// gif may not be supported by your GD Lib.
$this->settings['imageFormat'] = (isset($this->settings['imageFormat']) && $this->settings['imageFormat']) ? $this->settings['imageFormat'] : 'png';
// true = generate pseudo-random string, false = use dictionary
// dictionary is easier to recognise
// - both for humans and computers, so use random string if you're paranoid.
$this->settings['useWordsList'] = (isset($this->settings['useWordsList']) && $this->settings['useWordsList']) ? true : false;
// if your server is NOT set up to deny web access to files beginning ".ht"
// then you should ensure the dictionary file is kept outside the web directory
// eg: if www.foo.com/index.html points to c:\website\www\index.html
// then the dictionary should be placed in c:\website\dict.txt
// test your server's config by trying to access the dictionary through a web browser
// you should NOT be able to view the contents.
// can leave this blank if not using dictionary
$this->settings['wordsListLocation'] = \SJBR\SrFreecap\Utility\LocalizationUtility::getWordsListLocation($this->settings['defaultWordsList'] ?? '');
// Used for non-dictionary word generation and to calculate image width
$this->settings['maxWordLength'] = (isset($this->settings['maxWordLength']) && $this->settings['maxWordLength']) ? $this->settings['maxWordLength'] : 6;
// Maximum times a user can refresh the image
// on a 6500 word dictionary, I think 15-50 is enough to not annoy users and make BF unfeasble.
// further notes re: BF attacks in "avoid brute force attacks" section, below
// on the other hand, those attempting OCR will find the ability to request new images
// very useful; if they can't crack one, just grab an easier target...
// for the ultra-paranoid, setting it to <5 will still work for most users
$this->settings['maxAttempts'] = (isset($this->settings['maxAttempts']) && $this->settings['maxAttempts']) ? $this->settings['maxAttempts'] : 50;
// List of fonts to use
// font size should be around 35 pixels wide for each character.
// you can use my GD fontmaker script at www.puremango.co.uk to create your own fonts
// There are other programs to can create GD fonts, but my script allows a greater
// degree of control over exactly how wide each character is, and is therefore
// recommended for 'special' uses. For normal use of GD fonts,
// the GDFontGenerator @ http://www.philiplb.de is excellent for convering ttf to GD
// the fonts included with freeCap *only* include lowercase alphabetic characters
// so are not suitable for most other uses
// to increase security, you really should add other fonts
if ($this->settings['generateNumbers'] ?? false) {
$this->settings['fontLocations'] = ['EXT:' . $this->extensionKey . '/Resources/Private/Captcha/Fonts/anonymous.gdf'];
} else {
$this->settings['fontLocations'] = [
'EXT:' . $this->extensionKey . '/Resources/Private/Captcha/Fonts/freecap_font1.gdf',
'EXT:' . $this->extensionKey . '/Resources/Private/Captcha/Fonts/freecap_font2.gdf',
'EXT:' . $this->extensionKey . '/Resources/Private/Captcha/Fonts/freecap_font3.gdf',
'EXT:' . $this->extensionKey . '/Resources/Private/Captcha/Fonts/freecap_font4.gdf',
'EXT:' . $this->extensionKey . '/Resources/Private/Captcha/Fonts/freecap_font5.gdf'
];
}
if ($this->settings['fontFiles'] ?? false) {
$this->settings['fontLocations'] = GeneralUtility::trimExplode(',', $this->settings['fontFiles'], 1);
}
for ($i = 0; $i < sizeof($this->settings['fontLocations']); $i++) {
if (substr($this->settings['fontLocations'][$i],0,4) == 'EXT:') {
$this->settings['fontLocations'][$i] = GeneralUtility::getFileAbsFileName($this->settings['fontLocations'][$i]);
} else {
$this->settings['fontLocations'][$i] = Environment::getPublicPath() . '/uploads/' . ExtensionManagementUtility::getCN($this->extensionKey) . '/' . $this->settings['fontLocations'][$i];
}
}
// Text color
// 0 = one random color for all letters
// 1 = different random color for each letter
if ($this->settings['textColor'] ?? false) {
$this->settings['textColor'] = 1;
} else {
$this->settings['textColor'] = 0;
}
// Text position
$this->settings['textPosition'] = [];
$this->settings['textPosition']['horizontal'] = isset($this->settings['textHorizontalPosition']) ? (int)$this->settings['textHorizontalPosition'] : 32;
$this->settings['textPosition']['vertical'] = isset($this->settings['textVerticalPosition']) ? (int)$this->settings['textVerticalPosition'] : 15;
// Text morphing factor
$this->settings['morphFactor'] = (isset($this->settings['morphFactor']) && $this->settings['morphFactor']) ? (int)$this->settings['morphFactor'] : 0;
// Limits for text color
$this->settings['colorMaximum'] = [];
if (isset($this->settings['colorMaximumDarkness'])) {
$this->settings['colorMaximum']['darkness'] = (int)$this->settings['colorMaximumDarkness'];
}
if (isset($this->settings['colorMaximumLightness'])) {
$this->settings['colorMaximum']['lightness'] = (int)$this->settings['colorMaximumLightness'];
}
// Background
// Many thanks to http://ocr-research.org.ua and http://sam.zoy.org/pwntcha/ for testing
// for jpgs, 'transparent' is white
if (!isset($this->settings['backgroundType']) || !in_array($this->settings['backgroundType'], ['Transparent', 'White with grid', 'White with squiggles', 'Morphed image blocks'])) {
$this->settings['backgroundType'] = 'White with grid';
}
// Should we blur the background? (looks nicer, makes text easier to read, takes longer)
$this->settings['backgroundBlur'] = ((isset($this->settings['backgroundBlur']) && $this->settings['backgroundBlur']) || !isset($this->settings['backgroundBlur'])) ? true : false;
// For background type 'Morphed image blocks', which images should we use?
// If you add your own, make sure they're fairly 'busy' images (ie a lot of shapes in them)
$this->settings['backgroundImages'] = [
'EXT:' . $this->extensionKey . '/Resources/Private/Captcha/Images/freecap_im1.jpg',
'EXT:' . $this->extensionKey . '/Resources/Private/Captcha/Images/freecap_im2.jpg',
'EXT:' . $this->extensionKey . '/Resources/Private/Captcha/Images/freecap_im3.jpg',
'EXT:' . $this->extensionKey . '/Resources/Private/Captcha/Images/freecap_im4.jpg',
'EXT:' . $this->extensionKey . '/Resources/Private/Captcha/Images/freecap_im5.jpg'
];
// For non-transparent backgrounds only:
// if 0, merges CAPTCHA with background
// if 1, write CAPTCHA over background
$this->settings['mergeWithBackground'] = (isset($this->settings['mergeWithBackground']) && $this->settings['mergeWithBackground']) ? 0 : 1;
// Should we morph the background? (recommend yes, but takes a little longer to compute)
$this->settings['backgroundMorph'] = (isset($this->settings['backgroundMorph']) && $this->settings['backgroundMorph']) ? true : false;
// Read each font and get font character widths
$this->settings['fontWidths'] = [];
for ($i=0 ; $i < sizeof($this->settings['fontLocations']); $i++) {
$handle = fopen($this->settings['fontLocations'][$i],"r");
// Read header of GD font, up to char width
$c_wid = fread($handle,12);
$this->settings['fontWidths'][$i] = ord($c_wid[8])+ord($c_wid[9])+ord($c_wid[10])+ord($c_wid[11]);
fclose($handle);
}
// Modify image width depending on maximum possible length of word
// you shouldn't need to use words > 6 chars in length really.
$this->settings['imageWidth'] = ($this->settings['maxWordLength'] * (array_sum($this->settings['fontWidths'])/sizeof($this->settings['fontWidths']))) + (isset($this->settings['imageAdditionalWidth']) ? (int)$this->settings['imageAdditionalWidth'] : 40);
$this->settings['imageHeight'] = (isset($this->settings['imageHeight']) && $this->settings['imageHeight']) ? (int)$this->settings['imageHeight'] : 90;
// Try to avoid the 'free p*rn' method of CAPTCHA circumvention
// see www.wikipedia.com/captcha for more info
// "To avoid spam, please do NOT enter the text if this site is not example.org";
// or more simply:
// "for use only on example.org";
// reword or add lines as you please
$this->settings['siteTag'] = (isset($this->settings['siteTag']) && $this->settings['siteTag']) ? explode('|', LocalizationUtility::translate('site_tag', $this->extensionName, [(isset($this->settings['siteTagDomain']) && $this->settings['siteTagDomain']) ? $this->settings['siteTagDomain'] : 'example.org'])) : [];
// where to write the above:
// 0=top
// 1=bottom
// 2=both
$this->settings['siteTagPosition'] = isset($this->settings['siteTagPosition']) ? (int)$this->settings['siteTagPosition'] : 1;
}
}