/leganto/document_root/thumb/phpthumb.functions.php
PHP | 1044 lines | 873 code | 120 blank | 51 comment | 145 complexity | 0f9806f2f95fb6ca63bf96f7fc091e6d MD5 | raw file
Possible License(s): GPL-2.0
- <?php
- //////////////////////////////////////////////////////////////
- /// phpThumb() by James Heinrich <info@silisoftware.com> //
- // available at http://phpthumb.sourceforge.net ///
- //////////////////////////////////////////////////////////////
- /// //
- // phpthumb.functions.php - general support functions //
- // ///
- //////////////////////////////////////////////////////////////
- class phpthumb_functions {
- function user_function_exists($functionname) {
- if (function_exists('get_defined_functions')) {
- static $get_defined_functions = array();
- if (empty($get_defined_functions)) {
- $get_defined_functions = get_defined_functions();
- }
- return in_array(strtolower($functionname), $get_defined_functions['user']);
- }
- return function_exists($functionname);
- }
- function builtin_function_exists($functionname) {
- if (function_exists('get_defined_functions')) {
- static $get_defined_functions = array();
- if (empty($get_defined_functions)) {
- $get_defined_functions = get_defined_functions();
- }
- return in_array(strtolower($functionname), $get_defined_functions['internal']);
- }
- return function_exists($functionname);
- }
- function version_compare_replacement_sub($version1, $version2, $operator='') {
- // If you specify the third optional operator argument, you can test for a particular relationship.
- // The possible operators are: <, lt, <=, le, >, gt, >=, ge, ==, =, eq, !=, <>, ne respectively.
- // Using this argument, the function will return 1 if the relationship is the one specified by the operator, 0 otherwise.
- // If a part contains special version strings these are handled in the following order: dev < (alpha = a) < (beta = b) < RC < pl
- static $versiontype_lookup = array();
- if (empty($versiontype_lookup)) {
- $versiontype_lookup['dev'] = 10001;
- $versiontype_lookup['a'] = 10002;
- $versiontype_lookup['alpha'] = 10002;
- $versiontype_lookup['b'] = 10003;
- $versiontype_lookup['beta'] = 10003;
- $versiontype_lookup['RC'] = 10004;
- $versiontype_lookup['pl'] = 10005;
- }
- if (isset($versiontype_lookup[$version1])) {
- $version1 = $versiontype_lookup[$version1];
- }
- if (isset($versiontype_lookup[$version2])) {
- $version2 = $versiontype_lookup[$version2];
- }
- switch ($operator) {
- case '<':
- case 'lt':
- return intval($version1 < $version2);
- break;
- case '<=':
- case 'le':
- return intval($version1 <= $version2);
- break;
- case '>':
- case 'gt':
- return intval($version1 > $version2);
- break;
- case '>=':
- case 'ge':
- return intval($version1 >= $version2);
- break;
- case '==':
- case '=':
- case 'eq':
- return intval($version1 == $version2);
- break;
- case '!=':
- case '<>':
- case 'ne':
- return intval($version1 != $version2);
- break;
- }
- if ($version1 == $version2) {
- return 0;
- } elseif ($version1 < $version2) {
- return -1;
- }
- return 1;
- }
- function version_compare_replacement($version1, $version2, $operator='') {
- if (function_exists('version_compare')) {
- // built into PHP v4.1.0+
- return version_compare($version1, $version2, $operator);
- }
- // The function first replaces _, - and + with a dot . in the version strings
- $version1 = strtr($version1, '_-+', '...');
- $version2 = strtr($version2, '_-+', '...');
- // and also inserts dots . before and after any non number so that for example '4.3.2RC1' becomes '4.3.2.RC.1'.
- // Then it splits the results like if you were using explode('.',$ver). Then it compares the parts starting from left to right.
- $version1 = eregi_replace('([0-9]+)([A-Z]+)([0-9]+)', '\\1.\\2.\\3', $version1);
- $version2 = eregi_replace('([0-9]+)([A-Z]+)([0-9]+)', '\\1.\\2.\\3', $version2);
- $parts1 = explode('.', $version1);
- $parts2 = explode('.', $version1);
- $parts_count = max(count($parts1), count($parts2));
- for ($i = 0; $i < $parts_count; $i++) {
- $comparison = phpthumb_functions::version_compare_replacement_sub($version1, $version2, $operator);
- if ($comparison != 0) {
- return $comparison;
- }
- }
- return 0;
- }
- function phpinfo_array() {
- static $phpinfo_array = array();
- if (empty($phpinfo_array)) {
- ob_start();
- phpinfo();
- $phpinfo = ob_get_contents();
- ob_end_clean();
- $phpinfo_array = explode("\n", $phpinfo);
- }
- return $phpinfo_array;
- }
- function exif_info() {
- static $exif_info = array();
- if (empty($exif_info)) {
- // based on code by johnschaefer at gmx dot de
- // from PHP help on gd_info()
- $exif_info = array(
- 'EXIF Support' => '',
- 'EXIF Version' => '',
- 'Supported EXIF Version' => '',
- 'Supported filetypes' => ''
- );
- $phpinfo_array = phpthumb_functions::phpinfo_array();
- foreach ($phpinfo_array as $line) {
- $line = trim(strip_tags($line));
- foreach ($exif_info as $key => $value) {
- if (strpos($line, $key) === 0) {
- $newvalue = trim(str_replace($key, '', $line));
- $exif_info[$key] = $newvalue;
- }
- }
- }
- }
- return $exif_info;
- }
- function ImageTypeToMIMEtype($imagetype) {
- if (function_exists('image_type_to_mime_type') && ($imagetype >= 1) && ($imagetype <= 16)) {
- // PHP v4.3.0+
- return image_type_to_mime_type($imagetype);
- }
- static $image_type_to_mime_type = array(
- 1 => 'image/gif', // IMAGETYPE_GIF
- 2 => 'image/jpeg', // IMAGETYPE_JPEG
- 3 => 'image/png', // IMAGETYPE_PNG
- 4 => 'application/x-shockwave-flash', // IMAGETYPE_SWF
- 5 => 'image/psd', // IMAGETYPE_PSD
- 6 => 'image/bmp', // IMAGETYPE_BMP
- 7 => 'image/tiff', // IMAGETYPE_TIFF_II (intel byte order)
- 8 => 'image/tiff', // IMAGETYPE_TIFF_MM (motorola byte order)
- 9 => 'application/octet-stream', // IMAGETYPE_JPC
- 10 => 'image/jp2', // IMAGETYPE_JP2
- 11 => 'application/octet-stream', // IMAGETYPE_JPX
- 12 => 'application/octet-stream', // IMAGETYPE_JB2
- 13 => 'application/x-shockwave-flash', // IMAGETYPE_SWC
- 14 => 'image/iff', // IMAGETYPE_IFF
- 15 => 'image/vnd.wap.wbmp', // IMAGETYPE_WBMP
- 16 => 'image/xbm', // IMAGETYPE_XBM
- 'gif' => 'image/gif', // IMAGETYPE_GIF
- 'jpg' => 'image/jpeg', // IMAGETYPE_JPEG
- 'jpeg' => 'image/jpeg', // IMAGETYPE_JPEG
- 'png' => 'image/png', // IMAGETYPE_PNG
- 'bmp' => 'image/bmp', // IMAGETYPE_BMP
- 'ico' => 'image/x-icon',
- );
- return (isset($image_type_to_mime_type[$imagetype]) ? $image_type_to_mime_type[$imagetype] : false);
- }
- function TranslateWHbyAngle($width, $height, $angle) {
- if (($angle % 180) == 0) {
- return array($width, $height);
- }
- $newwidth = (abs(sin(deg2rad($angle))) * $height) + (abs(cos(deg2rad($angle))) * $width);
- $newheight = (abs(sin(deg2rad($angle))) * $width) + (abs(cos(deg2rad($angle))) * $height);
- return array($newwidth, $newheight);
- }
- function HexCharDisplay($string) {
- $len = strlen($string);
- $output = '';
- for ($i = 0; $i < $len; $i++) {
- $output .= ' 0x'.str_pad(dechex(ord($string{$i})), 2, '0', STR_PAD_LEFT);
- }
- return $output;
- }
- function IsHexColor($HexColorString) {
- return eregi('^[0-9A-F]{6}$', $HexColorString);
- }
- function ImageColorAllocateAlphaSafe(&$gdimg_hexcolorallocate, $R, $G, $B, $alpha=false) {
- if (phpthumb_functions::version_compare_replacement(phpversion(), '4.3.2', '>=') && ($alpha !== false)) {
- return ImageColorAllocateAlpha($gdimg_hexcolorallocate, $R, $G, $B, intval($alpha));
- } else {
- return ImageColorAllocate($gdimg_hexcolorallocate, $R, $G, $B);
- }
- }
- function ImageHexColorAllocate(&$gdimg_hexcolorallocate, $HexColorString, $dieOnInvalid=false, $alpha=false) {
- if (!is_resource($gdimg_hexcolorallocate)) {
- die('$gdimg_hexcolorallocate is not a GD resource in ImageHexColorAllocate()');
- }
- if (phpthumb_functions::IsHexColor($HexColorString)) {
- $R = hexdec(substr($HexColorString, 0, 2));
- $G = hexdec(substr($HexColorString, 2, 2));
- $B = hexdec(substr($HexColorString, 4, 2));
- return phpthumb_functions::ImageColorAllocateAlphaSafe($gdimg_hexcolorallocate, $R, $G, $B, $alpha);
- }
- if ($dieOnInvalid) {
- die('Invalid hex color string: "'.$HexColorString.'"');
- }
- return ImageColorAllocate($gdimg_hexcolorallocate, 0x00, 0x00, 0x00);
- }
- function HexColorXOR($hexcolor) {
- return strtoupper(str_pad(dechex(~hexdec($hexcolor) & 0xFFFFFF), 6, '0', STR_PAD_LEFT));
- }
- function GetPixelColor(&$img, $x, $y) {
- if (!is_resource($img)) {
- return false;
- }
- return @ImageColorsForIndex($img, @ImageColorAt($img, $x, $y));
- }
- function PixelColorDifferencePercent($currentPixel, $targetPixel) {
- $diff = 0;
- foreach ($targetPixel as $channel => $currentvalue) {
- $diff = max($diff, (max($currentPixel[$channel], $targetPixel[$channel]) - min($currentPixel[$channel], $targetPixel[$channel])) / 255);
- }
- return $diff * 100;
- }
- function GrayscaleValue($r, $g, $b) {
- return round(($r * 0.30) + ($g * 0.59) + ($b * 0.11));
- }
- function GrayscalePixel($OriginalPixel) {
- $gray = phpthumb_functions::GrayscaleValue($OriginalPixel['red'], $OriginalPixel['green'], $OriginalPixel['blue']);
- return array('red'=>$gray, 'green'=>$gray, 'blue'=>$gray);
- }
- function GrayscalePixelRGB($rgb) {
- $r = ($rgb >> 16) & 0xFF;
- $g = ($rgb >> 8) & 0xFF;
- $b = $rgb & 0xFF;
- return ($r * 0.299) + ($g * 0.587) + ($b * 0.114);
- }
- function ScaleToFitInBox($width, $height, $maxwidth=null, $maxheight=null, $allow_enlarge=true, $allow_reduce=true) {
- $maxwidth = (is_null($maxwidth) ? $width : $maxwidth);
- $maxheight = (is_null($maxheight) ? $height : $maxheight);
- $scale_x = 1;
- $scale_y = 1;
- if (($width > $maxwidth) || ($width < $maxwidth)) {
- $scale_x = ($maxwidth / $width);
- }
- if (($height > $maxheight) || ($height < $maxheight)) {
- $scale_y = ($maxheight / $height);
- }
- $scale = min($scale_x, $scale_y);
- if (!$allow_enlarge) {
- $scale = min($scale, 1);
- }
- if (!$allow_reduce) {
- $scale = max($scale, 1);
- }
- return $scale;
- }
- function ImageCopyResampleBicubic($dst_img, $src_img, $dst_x, $dst_y, $src_x, $src_y, $dst_w, $dst_h, $src_w, $src_h) {
- // ron at korving dot demon dot nl
- // http://www.php.net/imagecopyresampled
- $scaleX = ($src_w - 1) / $dst_w;
- $scaleY = ($src_h - 1) / $dst_h;
- $scaleX2 = $scaleX / 2.0;
- $scaleY2 = $scaleY / 2.0;
- $isTrueColor = ImageIsTrueColor($src_img);
- for ($y = $src_y; $y < $src_y + $dst_h; $y++) {
- $sY = $y * $scaleY;
- $siY = (int) $sY;
- $siY2 = (int) $sY + $scaleY2;
- for ($x = $src_x; $x < $src_x + $dst_w; $x++) {
- $sX = $x * $scaleX;
- $siX = (int) $sX;
- $siX2 = (int) $sX + $scaleX2;
- if ($isTrueColor) {
- $c1 = ImageColorAt($src_img, $siX, $siY2);
- $c2 = ImageColorAt($src_img, $siX, $siY);
- $c3 = ImageColorAt($src_img, $siX2, $siY2);
- $c4 = ImageColorAt($src_img, $siX2, $siY);
- $r = (( $c1 + $c2 + $c3 + $c4 ) >> 2) & 0xFF0000;
- $g = ((($c1 & 0x00FF00) + ($c2 & 0x00FF00) + ($c3 & 0x00FF00) + ($c4 & 0x00FF00)) >> 2) & 0x00FF00;
- $b = ((($c1 & 0x0000FF) + ($c2 & 0x0000FF) + ($c3 & 0x0000FF) + ($c4 & 0x0000FF)) >> 2);
- } else {
- $c1 = ImageColorsForIndex($src_img, ImageColorAt($src_img, $siX, $siY2));
- $c2 = ImageColorsForIndex($src_img, ImageColorAt($src_img, $siX, $siY));
- $c3 = ImageColorsForIndex($src_img, ImageColorAt($src_img, $siX2, $siY2));
- $c4 = ImageColorsForIndex($src_img, ImageColorAt($src_img, $siX2, $siY));
- $r = ($c1['red'] + $c2['red'] + $c3['red'] + $c4['red'] ) << 14;
- $g = ($c1['green'] + $c2['green'] + $c3['green'] + $c4['green']) << 6;
- $b = ($c1['blue'] + $c2['blue'] + $c3['blue'] + $c4['blue'] ) >> 2;
- }
- ImageSetPixel($dst_img, $dst_x + $x - $src_x, $dst_y + $y - $src_y, $r+$g+$b);
- }
- }
- return true;
- }
- function ImageCreateFunction($x_size, $y_size) {
- $ImageCreateFunction = 'ImageCreate';
- if (phpthumb_functions::gd_version() >= 2.0) {
- $ImageCreateFunction = 'ImageCreateTrueColor';
- }
- if (!function_exists($ImageCreateFunction)) {
- return phpthumb::ErrorImage($ImageCreateFunction.'() does not exist - no GD support?');
- }
- if (($x_size <= 0) || ($y_size <= 0)) {
- return phpthumb::ErrorImage('Invalid image dimensions: '.$ImageCreateFunction.'('.$x_size.', '.$y_size.')');
- }
- return $ImageCreateFunction(round($x_size), round($y_size));
- }
- function ImageCopyRespectAlpha(&$dst_im, &$src_im, $dst_x, $dst_y, $src_x, $src_y, $src_w, $src_h, $opacity_pct=100) {
- $opacipct = $opacity_pct / 100;
- for ($x = $src_x; $x < $src_w; $x++) {
- for ($y = $src_y; $y < $src_h; $y++) {
- $RealPixel = phpthumb_functions::GetPixelColor($dst_im, $dst_x + $x, $dst_y + $y);
- $OverlayPixel = phpthumb_functions::GetPixelColor($src_im, $x, $y);
- $alphapct = $OverlayPixel['alpha'] / 127;
- $overlaypct = (1 - $alphapct) * $opacipct;
- $newcolor = phpthumb_functions::ImageColorAllocateAlphaSafe(
- $dst_im,
- round($RealPixel['red'] * (1 - $overlaypct)) + ($OverlayPixel['red'] * $overlaypct),
- round($RealPixel['green'] * (1 - $overlaypct)) + ($OverlayPixel['green'] * $overlaypct),
- round($RealPixel['blue'] * (1 - $overlaypct)) + ($OverlayPixel['blue'] * $overlaypct),
- //$RealPixel['alpha']);
- 0);
- ImageSetPixel($dst_im, $dst_x + $x, $dst_y + $y, $newcolor);
- }
- }
- return true;
- }
- function ProportionalResize($old_width, $old_height, $new_width=false, $new_height=false) {
- $old_aspect_ratio = $old_width / $old_height;
- if (($new_width === false) && ($new_height === false)) {
- return false;
- } elseif ($new_width === false) {
- $new_width = $new_height * $old_aspect_ratio;
- } elseif ($new_height === false) {
- $new_height = $new_width / $old_aspect_ratio;
- }
- $new_aspect_ratio = $new_width / $new_height;
- if ($new_aspect_ratio == $old_aspect_ratio) {
- // great, done
- } elseif ($new_aspect_ratio < $old_aspect_ratio) {
- // limited by width
- $new_height = $new_width / $old_aspect_ratio;
- } elseif ($new_aspect_ratio > $old_aspect_ratio) {
- // limited by height
- $new_width = $new_height * $old_aspect_ratio;
- }
- return array(intval(round($new_width)), intval(round($new_height)));
- }
- function FunctionIsDisabled($function) {
- static $DisabledFunctions = null;
- if (is_null($DisabledFunctions)) {
- $disable_functions_local = explode(',', strtolower(@ini_get('disable_functions')));
- $disable_functions_global = explode(',', strtolower(@get_cfg_var('disable_functions')));
- foreach ($disable_functions_local as $key => $value) {
- $DisabledFunctions[trim($value)] = 'local';
- }
- foreach ($disable_functions_global as $key => $value) {
- $DisabledFunctions[trim($value)] = 'global';
- }
- if (@ini_get('safe_mode')) {
- $DisabledFunctions['shell_exec'] = 'local';
- $DisabledFunctions['set_time_limit'] = 'local';
- }
- }
- return isset($DisabledFunctions[strtolower($function)]);
- }
- function SafeExec($command) {
- static $AllowedExecFunctions = array();
- if (empty($AllowedExecFunctions)) {
- $AllowedExecFunctions = array('shell_exec'=>true, 'passthru'=>true, 'system'=>true, 'exec'=>true);
- foreach ($AllowedExecFunctions as $key => $value) {
- $AllowedExecFunctions[$key] = !phpthumb_functions::FunctionIsDisabled($key);
- }
- }
- $command .= ' 2>&1'; // force redirect stderr to stdout
- foreach ($AllowedExecFunctions as $execfunction => $is_allowed) {
- if (!$is_allowed) {
- continue;
- }
- $returnvalue = false;
- switch ($execfunction) {
- case 'passthru':
- case 'system':
- ob_start();
- $execfunction($command);
- $returnvalue = ob_get_contents();
- ob_end_clean();
- break;
- case 'exec':
- $output = array();
- $lastline = $execfunction($command, $output);
- $returnvalue = implode("\n", $output);
- break;
- case 'shell_exec':
- ob_start();
- $returnvalue = $execfunction($command);
- ob_end_clean();
- break;
- }
- return $returnvalue;
- }
- return false;
- }
- function ApacheLookupURIarray($filename) {
- // apache_lookup_uri() only works when PHP is installed as an Apache module.
- if (php_sapi_name() == 'apache') {
- $keys = array('status', 'the_request', 'status_line', 'method', 'content_type', 'handler', 'uri', 'filename', 'path_info', 'args', 'boundary', 'no_cache', 'no_local_copy', 'allowed', 'send_bodyct', 'bytes_sent', 'byterange', 'clength', 'unparsed_uri', 'mtime', 'request_time');
- if ($apacheLookupURIobject = @apache_lookup_uri($filename)) {
- $apacheLookupURIarray = array();
- foreach ($keys as $key) {
- $apacheLookupURIarray[$key] = @$apacheLookupURIobject->$key;
- }
- return $apacheLookupURIarray;
- }
- }
- return false;
- }
- function gd_is_bundled() {
- static $isbundled = null;
- if (is_null($isbundled)) {
- $gd_info = gd_info();
- $isbundled = (strpos($gd_info['GD Version'], 'bundled') !== false);
- }
- return $isbundled;
- }
- function gd_version($fullstring=false) {
- static $cache_gd_version = array();
- if (empty($cache_gd_version)) {
- $gd_info = gd_info();
- if (eregi('bundled \((.+)\)$', $gd_info['GD Version'], $matches)) {
- $cache_gd_version[1] = $gd_info['GD Version']; // e.g. "bundled (2.0.15 compatible)"
- $cache_gd_version[0] = (float) $matches[1]; // e.g. "2.0" (not "bundled (2.0.15 compatible)")
- } else {
- $cache_gd_version[1] = $gd_info['GD Version']; // e.g. "1.6.2 or higher"
- $cache_gd_version[0] = (float) substr($gd_info['GD Version'], 0, 3); // e.g. "1.6" (not "1.6.2 or higher")
- }
- }
- return $cache_gd_version[intval($fullstring)];
- }
- function filesize_remote($remotefile, $timeout=10) {
- $size = false;
- $url = phpthumb_functions::ParseURLbetter($remotefile);
- if ($fp = @fsockopen($url['host'], ($url['port'] ? $url['port'] : 80), $errno, $errstr, $timeout)) {
- fwrite($fp, 'HEAD '.@$url['path'].@$url['query'].' HTTP/1.0'."\r\n".'Host: '.@$url['host']."\r\n\r\n");
- if (phpthumb_functions::version_compare_replacement(phpversion(), '4.3.0', '>=')) {
- stream_set_timeout($fp, $timeout);
- }
- while (!feof($fp)) {
- $headerline = fgets($fp, 4096);
- if (eregi('^Content-Length: (.*)', $headerline, $matches)) {
- $size = intval($matches[1]);
- break;
- }
- }
- fclose ($fp);
- }
- return $size;
- }
- function filedate_remote($remotefile, $timeout=10) {
- $date = false;
- $url = phpthumb_functions::ParseURLbetter($remotefile);
- if ($fp = @fsockopen($url['host'], ($url['port'] ? $url['port'] : 80), $errno, $errstr, $timeout)) {
- fwrite($fp, 'HEAD '.@$url['path'].@$url['query'].' HTTP/1.0'."\r\n".'Host: '.@$url['host']."\r\n\r\n");
- if (phpthumb_functions::version_compare_replacement(phpversion(), '4.3.0', '>=')) {
- stream_set_timeout($fp, $timeout);
- }
- while (!feof($fp)) {
- $headerline = fgets($fp, 4096);
- if (eregi('^Last-Modified: (.*)', $headerline, $matches)) {
- $date = strtotime($matches[1]) - date('Z');
- break;
- }
- }
- fclose ($fp);
- }
- return $date;
- }
- function md5_file_safe($filename) {
- // md5_file() doesn't exist in PHP < 4.2.0
- if (function_exists('md5_file')) {
- return md5_file($filename);
- }
- if ($fp = @fopen($filename, 'rb')) {
- $rawData = '';
- do {
- $buffer = fread($fp, 8192);
- $rawData .= $buffer;
- } while (strlen($buffer) > 0);
- fclose($fp);
- return md5($rawData);
- }
- return false;
- }
- function nonempty_min() {
- $arg_list = func_get_args();
- $acceptable = array();
- foreach ($arg_list as $arg) {
- if ($arg) {
- $acceptable[] = $arg;
- }
- }
- return min($acceptable);
- }
- function LittleEndian2String($number, $minbytes=1) {
- $intstring = '';
- while ($number > 0) {
- $intstring = $intstring.chr($number & 255);
- $number >>= 8;
- }
- return str_pad($intstring, $minbytes, "\x00", STR_PAD_RIGHT);
- }
- function OneOfThese() {
- // return the first useful (non-empty/non-zero/non-false) value from those passed
- $arg_list = func_get_args();
- foreach ($arg_list as $key => $value) {
- if ($value) {
- return $value;
- }
- }
- return false;
- }
- function CaseInsensitiveInArray($needle, $haystack) {
- $needle = strtolower($needle);
- foreach ($haystack as $key => $value) {
- if (is_array($value)) {
- // skip?
- } elseif ($needle == strtolower($value)) {
- return true;
- }
- }
- return false;
- }
- function URLreadFsock($host, $file, &$errstr, $successonly=true, $port=80, $timeout=10) {
- if (!function_exists('fsockopen') || phpthumb_functions::FunctionIsDisabled('fsockopen')) {
- $errstr = 'fsockopen() unavailable';
- return false;
- }
- if ($fp = @fsockopen($host, 80, $errno, $errstr, $timeout)) {
- $out = 'GET '.$file.' HTTP/1.0'."\r\n";
- $out .= 'Host: '.$host."\r\n";
- $out .= 'Connection: Close'."\r\n\r\n";
- fwrite($fp, $out);
- $isHeader = true;
- $Data_header = '';
- $Data_body = '';
- $header_newlocation = '';
- while (!feof($fp)) {
- $line = fgets($fp, 1024);
- if ($isHeader) {
- $Data_header .= $line;
- } else {
- $Data_body .= $line;
- }
- if (eregi('^HTTP/[\\.0-9]+ ([0-9]+) (.+)$', rtrim($line), $matches)) {
- list($dummy, $errno, $errstr) = $matches;
- $errno = intval($errno);
- } elseif (eregi('^Location: (.*)$', rtrim($line), $matches)) {
- $header_newlocation = $matches[1];
- }
- if ($isHeader && ($line == "\r\n")) {
- $isHeader = false;
- if ($successonly) {
- switch ($errno) {
- case 200:
- // great, continue
- break;
- default:
- $errstr = $errno.' '.$errstr.($header_newlocation ? '; Location: '.$header_newlocation : '');
- fclose($fp);
- return false;
- break;
- }
- }
- }
- }
- fclose($fp);
- return $Data_body;
- }
- return null;
- }
- function CleanUpURLencoding($url, $queryseperator='&') {
- if (!eregi('^http', $url)) {
- return $url;
- }
- $parse_url = phpthumb_functions::ParseURLbetter($url);
- $pathelements = explode('/', $parse_url['path']);
- $CleanPathElements = array();
- $TranslationMatrix = array(' '=>'%20');
- foreach ($pathelements as $key => $pathelement) {
- $CleanPathElements[] = strtr($pathelement, $TranslationMatrix);
- }
- foreach ($CleanPathElements as $key => $value) {
- if ($value === '') {
- unset($CleanPathElements[$key]);
- }
- }
- $queries = explode($queryseperator, @$parse_url['query']);
- $CleanQueries = array();
- foreach ($queries as $key => $query) {
- @list($param, $value) = explode('=', $query);
- $CleanQueries[] = strtr($param, $TranslationMatrix).($value ? '='.strtr($value, $TranslationMatrix) : '');
- }
- foreach ($CleanQueries as $key => $value) {
- if ($value === '') {
- unset($CleanQueries[$key]);
- }
- }
- $cleaned_url = $parse_url['scheme'].'://';
- $cleaned_url .= (@$parse_url['username'] ? $parse_url['host'].(@$parse_url['password'] ? ':'.$parse_url['password'] : '').'@' : '');
- $cleaned_url .= $parse_url['host'];
- $cleaned_url .= '/'.implode('/', $CleanPathElements);
- $cleaned_url .= (@$CleanQueries ? '?'.implode($queryseperator, $CleanQueries) : '');
- return $cleaned_url;
- }
- function ParseURLbetter($url) {
- $parsedURL = @parse_url($url);
- if (!@$parsedURL['port']) {
- switch (strtolower(@$parsedURL['scheme'])) {
- case 'ftp':
- $parsedURL['port'] = 21;
- break;
- case 'https':
- $parsedURL['port'] = 443;
- break;
- case 'http':
- $parsedURL['port'] = 80;
- break;
- }
- }
- return $parsedURL;
- }
- function SafeURLread($url, &$error, $timeout=10, $followredirects=true) {
- $error = '';
- $parsed_url = phpthumb_functions::ParseURLbetter($url);
- $alreadyLookedAtURLs[trim($url)] = true;
- while (true) {
- $tryagain = false;
- $rawData = phpthumb_functions::URLreadFsock(@$parsed_url['host'], @$parsed_url['path'].'?'.@$parsed_url['query'], $errstr, true, (@$parsed_url['port'] ? @$parsed_url['port'] : 80), $timeout);
- if (eregi('302 [a-z ]+; Location\\: (http.*)', $errstr, $matches)) {
- $matches[1] = trim(@$matches[1]);
- if (!@$alreadyLookedAtURLs[$matches[1]]) {
- // loop through and examine new URL
- $error .= 'URL "'.$url.'" redirected to "'.$matches[1].'"';
- $tryagain = true;
- $alreadyLookedAtURLs[$matches[1]] = true;
- $parsed_url = phpthumb_functions::ParseURLbetter($matches[1]);
- }
- }
- if (!$tryagain) {
- break;
- }
- }
- if ($rawData === false) {
- $error .= 'Error opening "'.$url.'":'."\n\n".$errstr;
- return false;
- } elseif ($rawData === null) {
- // fall through
- $error .= 'Error opening "'.$url.'":'."\n\n".$errstr;
- } else {
- return $rawData;
- }
- if (function_exists('curl_version') && !phpthumb_functions::FunctionIsDisabled('curl_exec')) {
- $ch = curl_init();
- curl_setopt($ch, CURLOPT_URL, $url);
- curl_setopt($ch, CURLOPT_HEADER, false);
- curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
- curl_setopt($ch, CURLOPT_BINARYTRANSFER, true);
- curl_setopt($ch, CURLOPT_TIMEOUT, $timeout);
- $rawData = curl_exec($ch);
- curl_close($ch);
- if (strlen($rawData) > 0) {
- $error .= 'CURL succeeded ('.strlen($rawData).' bytes); ';
- return $rawData;
- }
- $error .= 'CURL available but returned no data; ';
- } else {
- $error .= 'CURL unavailable; ';
- }
- $BrokenURLfopenPHPversions = array('4.4.2');
- if (in_array(phpversion(), $BrokenURLfopenPHPversions)) {
- $error .= 'fopen(URL) broken in PHP v'.phpversion().'; ';
- } elseif (@ini_get('allow_url_fopen')) {
- $rawData = '';
- $error_fopen = '';
- ob_start();
- if ($fp = fopen($url, 'rb')) {
- do {
- $buffer = fread($fp, 8192);
- $rawData .= $buffer;
- } while (strlen($buffer) > 0);
- fclose($fp);
- } else {
- $error_fopen .= trim(strip_tags(ob_get_contents()));
- }
- ob_end_clean();
- $error .= $error_fopen;
- if (!$error_fopen) {
- $error .= '; "allow_url_fopen" succeeded ('.strlen($rawData).' bytes); ';
- return $rawData;
- }
- $error .= '; "allow_url_fopen" enabled but returned no data ('.$error_fopen.'); ';
- } else {
- $error .= '"allow_url_fopen" disabled; ';
- }
- return false;
- }
- function EnsureDirectoryExists($dirname) {
- $directory_elements = explode(DIRECTORY_SEPARATOR, $dirname);
- $startoffset = (!$directory_elements[0] ? 2 : 1); // unix with leading "/" then start with 2nd element; Windows with leading "c:\" then start with 1st element
- $open_basedirs = split('[;:]', ini_get('open_basedir'));
- foreach ($open_basedirs as $key => $open_basedir) {
- if (ereg('^'.preg_quote($open_basedir), $dirname) && (strlen($dirname) > strlen($open_basedir))) {
- $startoffset = count(explode(DIRECTORY_SEPARATOR, $open_basedir));
- break;
- }
- }
- $i = $startoffset;
- $endoffset = count($directory_elements);
- for ($i = $startoffset; $i <= $endoffset; $i++) {
- $test_directory = implode(DIRECTORY_SEPARATOR, array_slice($directory_elements, 0, $i));
- if (!$test_directory) {
- continue;
- }
- if (!@is_dir($test_directory)) {
- if (@file_exists($test_directory)) {
- // directory name already exists as a file
- return false;
- }
- @mkdir($test_directory, 0755);
- @chmod($test_directory, 0755);
- if (!@is_dir($test_directory) || !@is_writeable($test_directory)) {
- return false;
- }
- }
- }
- return true;
- }
- function GetAllFilesInSubfolders($dirname) {
- $AllFiles = array();
- $dirname = rtrim(realpath($dirname), '/\\');
- if ($dirhandle = @opendir($dirname)) {
- while (($file = readdir($dirhandle)) !== false) {
- $fullfilename = $dirname.DIRECTORY_SEPARATOR.$file;
- if (is_file($fullfilename)) {
- $AllFiles[] = $fullfilename;
- } elseif (is_dir($fullfilename)) {
- switch ($file) {
- case '.':
- case '..':
- break;
- default:
- $AllFiles[] = $fullfilename;
- $subfiles = phpthumb_functions::GetAllFilesInSubfolders($fullfilename);
- foreach ($subfiles as $filename) {
- $AllFiles[] = $filename;
- }
- break;
- }
- } else {
- // ignore?
- }
- }
- closedir($dirhandle);
- }
- sort($AllFiles);
- return array_unique($AllFiles);
- }
- function SanitizeFilename($filename) {
- $filename = ereg_replace('[^'.preg_quote(' !#$%^()+,-.;<>=@[]_{}').'a-zA-Z0-9]', '_', $filename);
- if (phpthumb_functions::version_compare_replacement(phpversion(), '4.1.0', '>=')) {
- $filename = trim($filename, '.');
- }
- return $filename;
- }
- }
- ////////////// END: class phpthumb_functions //////////////
- if (!function_exists('gd_info')) {
- // built into PHP v4.3.0+ (with bundled GD2 library)
- function gd_info() {
- static $gd_info = array();
- if (empty($gd_info)) {
- // based on code by johnschaefer at gmx dot de
- // from PHP help on gd_info()
- $gd_info = array(
- 'GD Version' => '',
- 'FreeType Support' => false,
- 'FreeType Linkage' => '',
- 'T1Lib Support' => false,
- 'GIF Read Support' => false,
- 'GIF Create Support' => false,
- 'JPG Support' => false,
- 'PNG Support' => false,
- 'WBMP Support' => false,
- 'XBM Support' => false
- );
- $phpinfo_array = phpthumb_functions::phpinfo_array();
- foreach ($phpinfo_array as $line) {
- $line = trim(strip_tags($line));
- foreach ($gd_info as $key => $value) {
- //if (strpos($line, $key) !== false) {
- if (strpos($line, $key) === 0) {
- $newvalue = trim(str_replace($key, '', $line));
- $gd_info[$key] = $newvalue;
- }
- }
- }
- if (empty($gd_info['GD Version'])) {
- // probable cause: "phpinfo() disabled for security reasons"
- if (function_exists('ImageTypes')) {
- $imagetypes = ImageTypes();
- if ($imagetypes & IMG_PNG) {
- $gd_info['PNG Support'] = true;
- }
- if ($imagetypes & IMG_GIF) {
- $gd_info['GIF Create Support'] = true;
- }
- if ($imagetypes & IMG_JPG) {
- $gd_info['JPG Support'] = true;
- }
- if ($imagetypes & IMG_WBMP) {
- $gd_info['WBMP Support'] = true;
- }
- }
- // to determine capability of GIF creation, try to use ImageCreateFromGIF on a 1px GIF
- if (function_exists('ImageCreateFromGIF')) {
- if ($tempfilename = phpthumb::phpThumb_tempnam()) {
- if ($fp_tempfile = @fopen($tempfilename, 'wb')) {
- fwrite($fp_tempfile, base64_decode('R0lGODlhAQABAIAAAH//AP///ywAAAAAAQABAAACAUQAOw==')); // very simple 1px GIF file base64-encoded as string
- fclose($fp_tempfile);
- // if we can convert the GIF file to a GD image then GIF create support must be enabled, otherwise it's not
- $gd_info['GIF Read Support'] = (bool) @ImageCreateFromGIF($tempfilename);
- }
- unlink($tempfilename);
- }
- }
- if (function_exists('ImageCreateTrueColor') && @ImageCreateTrueColor(1, 1)) {
- $gd_info['GD Version'] = '2.0.1 or higher (assumed)';
- } elseif (function_exists('ImageCreate') && @ImageCreate(1, 1)) {
- $gd_info['GD Version'] = '1.6.0 or higher (assumed)';
- }
- }
- }
- return $gd_info;
- }
- }
- if (!function_exists('is_executable')) {
- // in PHP v3+, but v5.0+ for Windows
- function is_executable($filename) {
- // poor substitute, but better than nothing
- return file_exists($filename);
- }
- }
- if (!function_exists('preg_quote')) {
- // included in PHP v3.0.9+, but may be unavailable if not compiled in
- function preg_quote($string, $delimiter='\\') {
- static $preg_quote_array = array();
- if (empty($preg_quote_array)) {
- $escapeables = '.\\+*?[^]$(){}=!<>|:';
- for ($i = 0; $i < strlen($escapeables); $i++) {
- $strtr_preg_quote[$escapeables{$i}] = $delimiter.$escapeables{$i};
- }
- }
- return strtr($string, $strtr_preg_quote);
- }
- }
- if (!function_exists('file_get_contents')) {
- // included in PHP v4.3.0+
- function file_get_contents($filename) {
- if (eregi('^(f|ht)tp\://', $filename)) {
- return SafeURLread($filename, $error);
- }
- if ($fp = @fopen($filename, 'rb')) {
- $rawData = '';
- do {
- $buffer = fread($fp, 8192);
- $rawData .= $buffer;
- } while (strlen($buffer) > 0);
- fclose($fp);
- return $rawData;
- }
- return false;
- }
- }
- if (!function_exists('file_put_contents')) {
- // included in PHP v5.0.0+
- function file_put_contents($filename, $filedata) {
- if ($fp = @fopen($filename, 'wb')) {
- fwrite($fp, $filedata);
- fclose($fp);
- return true;
- }
- return false;
- }
- }
- if (!function_exists('imagealphablending')) {
- // built-in function requires PHP v4.0.6+ *and* GD v2.0.1+
- function imagealphablending(&$img, $blendmode=true) {
- // do nothing, this function is declared here just to
- // prevent runtime errors if GD2 is not available
- return true;
- }
- }
- if (!function_exists('imagesavealpha')) {
- // built-in function requires PHP v4.3.2+ *and* GD v2.0.1+
- function imagesavealpha(&$img, $blendmode=true) {
- // do nothing, this function is declared here just to
- // prevent runtime errors if GD2 is not available
- return true;
- }
- }
- ?>