From 8e6476b4028e44687e10bf7fb2617a2d2fff97d2 Mon Sep 17 00:00:00 2001 From: Frédéric Guillot Date: Fri, 15 Dec 2017 13:27:25 -0800 Subject: Update composer dependencies --- .../captcha/src/Gregwar/Captcha/CaptchaBuilder.php | 721 +++++++++++++++++++++ .../Gregwar/Captcha/CaptchaBuilderInterface.php | 29 + .../captcha/src/Gregwar/Captcha/Font/captcha0.ttf | Bin 0 -> 49224 bytes .../captcha/src/Gregwar/Captcha/Font/captcha1.ttf | Bin 0 -> 76232 bytes .../captcha/src/Gregwar/Captcha/Font/captcha2.ttf | Bin 0 -> 33984 bytes .../captcha/src/Gregwar/Captcha/Font/captcha3.ttf | Bin 0 -> 15976 bytes .../captcha/src/Gregwar/Captcha/Font/captcha4.ttf | Bin 0 -> 906980 bytes .../captcha/src/Gregwar/Captcha/Font/captcha5.ttf | Bin 0 -> 49724 bytes .../src/Gregwar/Captcha/ImageFileHandler.php | 105 +++ .../captcha/src/Gregwar/Captcha/PhraseBuilder.php | 59 ++ .../src/Gregwar/Captcha/PhraseBuilderInterface.php | 21 + 11 files changed, 935 insertions(+) create mode 100644 vendor/gregwar/captcha/src/Gregwar/Captcha/CaptchaBuilder.php create mode 100644 vendor/gregwar/captcha/src/Gregwar/Captcha/CaptchaBuilderInterface.php create mode 100644 vendor/gregwar/captcha/src/Gregwar/Captcha/Font/captcha0.ttf create mode 100644 vendor/gregwar/captcha/src/Gregwar/Captcha/Font/captcha1.ttf create mode 100644 vendor/gregwar/captcha/src/Gregwar/Captcha/Font/captcha2.ttf create mode 100644 vendor/gregwar/captcha/src/Gregwar/Captcha/Font/captcha3.ttf create mode 100644 vendor/gregwar/captcha/src/Gregwar/Captcha/Font/captcha4.ttf create mode 100644 vendor/gregwar/captcha/src/Gregwar/Captcha/Font/captcha5.ttf create mode 100644 vendor/gregwar/captcha/src/Gregwar/Captcha/ImageFileHandler.php create mode 100644 vendor/gregwar/captcha/src/Gregwar/Captcha/PhraseBuilder.php create mode 100644 vendor/gregwar/captcha/src/Gregwar/Captcha/PhraseBuilderInterface.php (limited to 'vendor/gregwar/captcha/src/Gregwar') diff --git a/vendor/gregwar/captcha/src/Gregwar/Captcha/CaptchaBuilder.php b/vendor/gregwar/captcha/src/Gregwar/Captcha/CaptchaBuilder.php new file mode 100644 index 00000000..6db2f2c3 --- /dev/null +++ b/vendor/gregwar/captcha/src/Gregwar/Captcha/CaptchaBuilder.php @@ -0,0 +1,721 @@ + + * @author Jeremy Livingston + */ +class CaptchaBuilder implements CaptchaBuilderInterface +{ + /** + * @var array + */ + protected $fingerprint = array(); + + /** + * @var bool + */ + protected $useFingerprint = false; + + /** + * @var array + */ + protected $textColor = null; + + /** + * @var array + */ + protected $backgroundColor = null; + + /** + * @var array + */ + protected $backgroundImages = array(); + + /** + * @var resource + */ + protected $contents = null; + + /** + * @var string + */ + protected $phrase = null; + + /** + * @var PhraseBuilderInterface + */ + protected $builder; + + /** + * @var bool + */ + protected $distortion = true; + + /** + * The maximum number of lines to draw in front of + * the image. null - use default algorithm + */ + protected $maxFrontLines = null; + + /** + * The maximum number of lines to draw behind + * the image. null - use default algorithm + */ + protected $maxBehindLines = null; + + /** + * The maximum angle of char + */ + protected $maxAngle = 8; + + /** + * The maximum offset of char + */ + protected $maxOffset = 5; + + /** + * Is the interpolation enabled ? + * + * @var bool + */ + protected $interpolation = true; + + /** + * Ignore all effects + * + * @var bool + */ + protected $ignoreAllEffects = false; + + /** + * Allowed image types for the background images + * + * @var array + */ + protected $allowedBackgroundImageTypes = array('image/png', 'image/jpeg', 'image/gif'); + + /** + * The image contents + */ + public function getContents() + { + return $this->contents; + } + + /** + * Enable/Disables the interpolation + * + * @param $interpolate bool True to enable, false to disable + * + * @return CaptchaBuilder + */ + public function setInterpolation($interpolate = true) + { + $this->interpolation = $interpolate; + + return $this; + } + + /** + * Temporary dir, for OCR check + */ + public $tempDir = 'temp/'; + + public function __construct($phrase = null, PhraseBuilderInterface $builder = null) + { + if ($builder === null) { + $this->builder = new PhraseBuilder; + } else { + $this->builder = $builder; + } + + if ($phrase === null) { + $phrase = $this->builder->build(); + } + + $this->phrase = $phrase; + } + + /** + * Setting the phrase + */ + public function setPhrase($phrase) + { + $this->phrase = (string) $phrase; + } + + /** + * Enables/disable distortion + */ + public function setDistortion($distortion) + { + $this->distortion = (bool) $distortion; + + return $this; + } + + public function setMaxBehindLines($maxBehindLines) + { + $this->maxBehindLines = $maxBehindLines; + + return $this; + } + + public function setMaxFrontLines($maxFrontLines) + { + $this->maxFrontLines = $maxFrontLines; + + return $this; + } + + public function setMaxAngle($maxAngle) + { + $this->maxAngle = $maxAngle; + + return $this; + } + + public function setMaxOffset($maxOffset) + { + $this->maxOffset = $maxOffset; + + return $this; + } + + /** + * Gets the captcha phrase + */ + public function getPhrase() + { + return $this->phrase; + } + + /** + * Returns true if the given phrase is good + */ + public function testPhrase($phrase) + { + return ($this->builder->niceize($phrase) == $this->builder->niceize($this->getPhrase())); + } + + /** + * Instantiation + */ + public static function create($phrase = null) + { + return new self($phrase); + } + + /** + * Sets the text color to use + */ + public function setTextColor($r, $g, $b) + { + $this->textColor = array($r, $g, $b); + + return $this; + } + + /** + * Sets the background color to use + */ + public function setBackgroundColor($r, $g, $b) + { + $this->backgroundColor = array($r, $g, $b); + + return $this; + } + + /** + * Sets the ignoreAllEffects value + * + * @param bool $ignoreAllEffects + * @return CaptchaBuilder + */ + public function setIgnoreAllEffects($ignoreAllEffects) + { + $this->ignoreAllEffects = $ignoreAllEffects; + + return $this; + } + + /** + * Sets the list of background images to use (one image is randomly selected) + */ + public function setBackgroundImages(array $backgroundImages) + { + $this->backgroundImages = $backgroundImages; + + return $this; + } + + /** + * Draw lines over the image + */ + protected function drawLine($image, $width, $height, $tcol = null) + { + if ($tcol === null) { + $tcol = imagecolorallocate($image, $this->rand(100, 255), $this->rand(100, 255), $this->rand(100, 255)); + } + + if ($this->rand(0, 1)) { // Horizontal + $Xa = $this->rand(0, $width/2); + $Ya = $this->rand(0, $height); + $Xb = $this->rand($width/2, $width); + $Yb = $this->rand(0, $height); + } else { // Vertical + $Xa = $this->rand(0, $width); + $Ya = $this->rand(0, $height/2); + $Xb = $this->rand(0, $width); + $Yb = $this->rand($height/2, $height); + } + imagesetthickness($image, $this->rand(1, 3)); + imageline($image, $Xa, $Ya, $Xb, $Yb, $tcol); + } + + /** + * Apply some post effects + */ + protected function postEffect($image) + { + if (!function_exists('imagefilter')) { + return; + } + + if ($this->backgroundColor != null || $this->textColor != null) { + return; + } + + // Negate ? + if ($this->rand(0, 1) == 0) { + imagefilter($image, IMG_FILTER_NEGATE); + } + + // Edge ? + if ($this->rand(0, 10) == 0) { + imagefilter($image, IMG_FILTER_EDGEDETECT); + } + + // Contrast + imagefilter($image, IMG_FILTER_CONTRAST, $this->rand(-50, 10)); + + // Colorize + if ($this->rand(0, 5) == 0) { + imagefilter($image, IMG_FILTER_COLORIZE, $this->rand(-80, 50), $this->rand(-80, 50), $this->rand(-80, 50)); + } + } + + /** + * Writes the phrase on the image + */ + protected function writePhrase($image, $phrase, $font, $width, $height) + { + $length = mb_strlen($phrase); + if ($length === 0) { + return \imagecolorallocate($image, 0, 0, 0); + } + + // Gets the text size and start position + $size = $width / $length - $this->rand(0, 3) - 1; + $box = \imagettfbbox($size, 0, $font, $phrase); + $textWidth = $box[2] - $box[0]; + $textHeight = $box[1] - $box[7]; + $x = ($width - $textWidth) / 2; + $y = ($height - $textHeight) / 2 + $size; + + if (!$this->textColor) { + $textColor = array($this->rand(0, 150), $this->rand(0, 150), $this->rand(0, 150)); + } else { + $textColor = $this->textColor; + } + $col = \imagecolorallocate($image, $textColor[0], $textColor[1], $textColor[2]); + + // Write the letters one by one, with random angle + for ($i=0; $i<$length; $i++) { + $symbol = mb_substr($phrase, $i, 1); + $box = \imagettfbbox($size, 0, $font, $symbol); + $w = $box[2] - $box[0]; + $angle = $this->rand(-$this->maxAngle, $this->maxAngle); + $offset = $this->rand(-$this->maxOffset, $this->maxOffset); + \imagettftext($image, $size, $angle, $x, $y + $offset, $col, $font, $symbol); + $x += $w; + } + + return $col; + } + + /** + * Try to read the code against an OCR + */ + public function isOCRReadable() + { + if (!is_dir($this->tempDir)) { + @mkdir($this->tempDir, 0755, true); + } + + $tempj = $this->tempDir . uniqid('captcha', true) . '.jpg'; + $tempp = $this->tempDir . uniqid('captcha', true) . '.pgm'; + + $this->save($tempj); + shell_exec("convert $tempj $tempp"); + $value = trim(strtolower(shell_exec("ocrad $tempp"))); + + @unlink($tempj); + @unlink($tempp); + + return $this->testPhrase($value); + } + + /** + * Builds while the code is readable against an OCR + */ + public function buildAgainstOCR($width = 150, $height = 40, $font = null, $fingerprint = null) + { + do { + $this->build($width, $height, $font, $fingerprint); + } while ($this->isOCRReadable()); + } + + /** + * Generate the image + */ + public function build($width = 150, $height = 40, $font = null, $fingerprint = null) + { + if (null !== $fingerprint) { + $this->fingerprint = $fingerprint; + $this->useFingerprint = true; + } else { + $this->fingerprint = array(); + $this->useFingerprint = false; + } + + if ($font === null) { + $font = __DIR__ . '/Font/captcha'.$this->rand(0, 5).'.ttf'; + } + + if (empty($this->backgroundImages)) { + // if background images list is not set, use a color fill as a background + $image = imagecreatetruecolor($width, $height); + if ($this->backgroundColor == null) { + $bg = imagecolorallocate($image, $this->rand(200, 255), $this->rand(200, 255), $this->rand(200, 255)); + } else { + $color = $this->backgroundColor; + $bg = imagecolorallocate($image, $color[0], $color[1], $color[2]); + } + $this->background = $bg; + imagefill($image, 0, 0, $bg); + } else { + // use a random background image + $randomBackgroundImage = $this->backgroundImages[rand(0, count($this->backgroundImages)-1)]; + + $imageType = $this->validateBackgroundImage($randomBackgroundImage); + + $image = $this->createBackgroundImageFromType($randomBackgroundImage, $imageType); + } + + // Apply effects + if (!$this->ignoreAllEffects) { + $square = $width * $height; + $effects = $this->rand($square/3000, $square/2000); + + // set the maximum number of lines to draw in front of the text + if ($this->maxBehindLines != null && $this->maxBehindLines > 0) { + $effects = min($this->maxBehindLines, $effects); + } + + if ($this->maxBehindLines !== 0) { + for ($e = 0; $e < $effects; $e++) { + $this->drawLine($image, $width, $height); + } + } + } + + // Write CAPTCHA text + $color = $this->writePhrase($image, $this->phrase, $font, $width, $height); + + // Apply effects + if (!$this->ignoreAllEffects) { + $square = $width * $height; + $effects = $this->rand($square/3000, $square/2000); + + // set the maximum number of lines to draw in front of the text + if ($this->maxFrontLines != null && $this->maxFrontLines > 0) { + $effects = min($this->maxFrontLines, $effects); + } + + if ($this->maxFrontLines !== 0) { + for ($e = 0; $e < $effects; $e++) { + $this->drawLine($image, $width, $height, $color); + } + } + } + + // Distort the image + if ($this->distortion && !$this->ignoreAllEffects) { + $image = $this->distort($image, $width, $height, $bg); + } + + // Post effects + if (!$this->ignoreAllEffects) { + $this->postEffect($image); + } + + $this->contents = $image; + + return $this; + } + + /** + * Distorts the image + */ + public function distort($image, $width, $height, $bg) + { + $contents = imagecreatetruecolor($width, $height); + $X = $this->rand(0, $width); + $Y = $this->rand(0, $height); + $phase = $this->rand(0, 10); + $scale = 1.1 + $this->rand(0, 10000) / 30000; + for ($x = 0; $x < $width; $x++) { + for ($y = 0; $y < $height; $y++) { + $Vx = $x - $X; + $Vy = $y - $Y; + $Vn = sqrt($Vx * $Vx + $Vy * $Vy); + + if ($Vn != 0) { + $Vn2 = $Vn + 4 * sin($Vn / 30); + $nX = $X + ($Vx * $Vn2 / $Vn); + $nY = $Y + ($Vy * $Vn2 / $Vn); + } else { + $nX = $X; + $nY = $Y; + } + $nY = $nY + $scale * sin($phase + $nX * 0.2); + + if ($this->interpolation) { + $p = $this->interpolate( + $nX - floor($nX), + $nY - floor($nY), + $this->getCol($image, floor($nX), floor($nY), $bg), + $this->getCol($image, ceil($nX), floor($nY), $bg), + $this->getCol($image, floor($nX), ceil($nY), $bg), + $this->getCol($image, ceil($nX), ceil($nY), $bg) + ); + } else { + $p = $this->getCol($image, round($nX), round($nY), $bg); + } + + if ($p == 0) { + $p = $bg; + } + + imagesetpixel($contents, $x, $y, $p); + } + } + + return $contents; + } + + /** + * Saves the Captcha to a jpeg file + */ + public function save($filename, $quality = 90) + { + imagejpeg($this->contents, $filename, $quality); + } + + /** + * Gets the image GD + */ + public function getGd() + { + return $this->contents; + } + + /** + * Gets the image contents + */ + public function get($quality = 90) + { + ob_start(); + $this->output($quality); + + return ob_get_clean(); + } + + /** + * Gets the HTML inline base64 + */ + public function inline($quality = 90) + { + return 'data:image/jpeg;base64,' . base64_encode($this->get($quality)); + } + + /** + * Outputs the image + */ + public function output($quality = 90) + { + imagejpeg($this->contents, null, $quality); + } + + /** + * @return array + */ + public function getFingerprint() + { + return $this->fingerprint; + } + + /** + * Returns a random number or the next number in the + * fingerprint + */ + protected function rand($min, $max) + { + if (!is_array($this->fingerprint)) { + $this->fingerprint = array(); + } + + if ($this->useFingerprint) { + $value = current($this->fingerprint); + next($this->fingerprint); + } else { + $value = mt_rand($min, $max); + $this->fingerprint[] = $value; + } + + return $value; + } + + /** + * @param $x + * @param $y + * @param $nw + * @param $ne + * @param $sw + * @param $se + * + * @return int + */ + protected function interpolate($x, $y, $nw, $ne, $sw, $se) + { + list($r0, $g0, $b0) = $this->getRGB($nw); + list($r1, $g1, $b1) = $this->getRGB($ne); + list($r2, $g2, $b2) = $this->getRGB($sw); + list($r3, $g3, $b3) = $this->getRGB($se); + + $cx = 1.0 - $x; + $cy = 1.0 - $y; + + $m0 = $cx * $r0 + $x * $r1; + $m1 = $cx * $r2 + $x * $r3; + $r = (int) ($cy * $m0 + $y * $m1); + + $m0 = $cx * $g0 + $x * $g1; + $m1 = $cx * $g2 + $x * $g3; + $g = (int) ($cy * $m0 + $y * $m1); + + $m0 = $cx * $b0 + $x * $b1; + $m1 = $cx * $b2 + $x * $b3; + $b = (int) ($cy * $m0 + $y * $m1); + + return ($r << 16) | ($g << 8) | $b; + } + + /** + * @param $image + * @param $x + * @param $y + * + * @return int + */ + protected function getCol($image, $x, $y, $background) + { + $L = imagesx($image); + $H = imagesy($image); + if ($x < 0 || $x >= $L || $y < 0 || $y >= $H) { + return $background; + } + + return imagecolorat($image, $x, $y); + } + + /** + * @param $col + * + * @return array + */ + protected function getRGB($col) + { + return array( + (int) ($col >> 16) & 0xff, + (int) ($col >> 8) & 0xff, + (int) ($col) & 0xff, + ); + } + + /** + * Validate the background image path. Return the image type if valid + * + * @param string $backgroundImage + * @return string + * @throws Exception + */ + protected function validateBackgroundImage($backgroundImage) + { + // check if file exists + if (!file_exists($backgroundImage)) { + $backgroundImageExploded = explode('/', $backgroundImage); + $imageFileName = count($backgroundImageExploded) > 1? $backgroundImageExploded[count($backgroundImageExploded)-1] : $backgroundImage; + + throw new Exception('Invalid background image: ' . $imageFileName); + } + + // check image type + $finfo = finfo_open(FILEINFO_MIME_TYPE); // return mime type ala mimetype extension + $imageType = finfo_file($finfo, $backgroundImage); + finfo_close($finfo); + + if (!in_array($imageType, $this->allowedBackgroundImageTypes)) { + throw new Exception('Invalid background image type! Allowed types are: ' . join(', ', $this->allowedBackgroundImageTypes)); + } + + return $imageType; + } + + /** + * Create background image from type + * + * @param string $backgroundImage + * @param string $imageType + * @return resource + * @throws Exception + */ + protected function createBackgroundImageFromType($backgroundImage, $imageType) + { + switch ($imageType) { + case 'image/jpeg': + $image = imagecreatefromjpeg($backgroundImage); + break; + case 'image/png': + $image = imagecreatefrompng($backgroundImage); + break; + case 'image/gif': + $image = imagecreatefromgif($backgroundImage); + break; + + default: + throw new Exception('Not supported file type for background image!'); + break; + } + + return $image; + } +} diff --git a/vendor/gregwar/captcha/src/Gregwar/Captcha/CaptchaBuilderInterface.php b/vendor/gregwar/captcha/src/Gregwar/Captcha/CaptchaBuilderInterface.php new file mode 100644 index 00000000..bebd0704 --- /dev/null +++ b/vendor/gregwar/captcha/src/Gregwar/Captcha/CaptchaBuilderInterface.php @@ -0,0 +1,29 @@ + + * @author Jeremy Livingston + */ +class ImageFileHandler +{ + /** + * Name of folder for captcha images + * @var string + */ + protected $imageFolder; + + /** + * Absolute path to public web folder + * @var string + */ + protected $webPath; + + /** + * Frequency of garbage collection in fractions of 1 + * @var int + */ + protected $gcFreq; + + /** + * Maximum age of images in minutes + * @var int + */ + protected $expiration; + + /** + * @param $imageFolder + * @param $webPath + * @param $gcFreq + * @param $expiration + */ + public function __construct($imageFolder, $webPath, $gcFreq, $expiration) + { + $this->imageFolder = $imageFolder; + $this->webPath = $webPath; + $this->gcFreq = $gcFreq; + $this->expiration = $expiration; + } + + /** + * Saves the provided image content as a file + * + * @param string $contents + * + * @return string + */ + public function saveAsFile($contents) + { + $this->createFolderIfMissing(); + + $filename = md5(uniqid()) . '.jpg'; + $filePath = $this->webPath . '/' . $this->imageFolder . '/' . $filename; + imagejpeg($contents, $filePath, 15); + + return '/' . $this->imageFolder . '/' . $filename; + } + + /** + * Randomly runs garbage collection on the image directory + * + * @return bool + */ + public function collectGarbage() + { + if (!mt_rand(1, $this->gcFreq) == 1) { + return false; + } + + $this->createFolderIfMissing(); + + $finder = new Finder(); + $criteria = sprintf('<= now - %s minutes', $this->expiration); + $finder->in($this->webPath . '/' . $this->imageFolder) + ->date($criteria); + + foreach ($finder->files() as $file) { + unlink($file->getPathname()); + } + + return true; + } + + /** + * Creates the folder if it doesn't exist + */ + protected function createFolderIfMissing() + { + if (!file_exists($this->webPath . '/' . $this->imageFolder)) { + mkdir($this->webPath . '/' . $this->imageFolder, 0755); + } + } +} diff --git a/vendor/gregwar/captcha/src/Gregwar/Captcha/PhraseBuilder.php b/vendor/gregwar/captcha/src/Gregwar/Captcha/PhraseBuilder.php new file mode 100644 index 00000000..5cc938b6 --- /dev/null +++ b/vendor/gregwar/captcha/src/Gregwar/Captcha/PhraseBuilder.php @@ -0,0 +1,59 @@ + + */ +class PhraseBuilder implements PhraseBuilderInterface +{ + /** + * @var int + */ + public $length; + + /** + * @var string + */ + public $charset; + /** + * Constructs a PhraseBuilder with given parameters + */ + public function __construct($length = 5, $charset = 'abcdefghijklmnpqrstuvwxyz123456789') + { + $this->length = $length; + $this->charset = $charset; + } + + /** + * Generates random phrase of given length with given charset + */ + public function build($length = null, $charset = null) + { + if ($length !== null) { + $this->length = $length; + } + if ($charset !== null) { + $this->charset = $charset; + } + + $phrase = ''; + $chars = str_split($this->charset); + + for ($i = 0; $i < $this->length; $i++) { + $phrase .= $chars[array_rand($chars)]; + } + + return $phrase; + } + + /** + * "Niceize" a code + */ + public function niceize($str) + { + return strtr(strtolower($str), '01', 'ol'); + } +} diff --git a/vendor/gregwar/captcha/src/Gregwar/Captcha/PhraseBuilderInterface.php b/vendor/gregwar/captcha/src/Gregwar/Captcha/PhraseBuilderInterface.php new file mode 100644 index 00000000..62ec4b08 --- /dev/null +++ b/vendor/gregwar/captcha/src/Gregwar/Captcha/PhraseBuilderInterface.php @@ -0,0 +1,21 @@ + + */ +interface PhraseBuilderInterface +{ + /** + * Generates random phrase of given length with given charset + */ + public function build(); + + /** + * "Niceize" a code + */ + public function niceize($str); +} -- cgit v1.2.3