Malin
f55c91276e
- Add videodb PHP/MySQL media collection manager (Blu-ray, DVD, CD) - Dockerfile: PHP 8.1 + Apache with GD/mysqli/exif extensions - docker-compose.yml: app on port 6761 + MySQL 8.0 with health checks - docker-entrypoint.sh: auto-generates config.inc.php from env vars, waits for MySQL, initializes DB schema idempotently - init-db.php: CLI schema installer using app's own prefix_query() logic - Persistent volumes for DB, cache, and cover images Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
1096 lines
36 KiB
PHP
1096 lines
36 KiB
PHP
<?php
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//////////////////////////////////////////////////////////////
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// phpThumb() by James Heinrich <info@silisoftware.com> //
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// available at http://phpthumb.sourceforge.net //
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// and/or https://github.com/JamesHeinrich/phpThumb //
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//////////////////////////////////////////////////////////////
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/// //
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// phpthumb.functions.php - general support functions //
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// ///
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//////////////////////////////////////////////////////////////
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class phpthumb_functions {
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public static function is_windows() {
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return (strtoupper(substr(PHP_OS, 0, 3)) == 'WIN');
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}
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public static function user_function_exists($functionname) {
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if (function_exists('get_defined_functions')) {
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static $get_defined_functions = array();
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if (empty($get_defined_functions)) {
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$get_defined_functions = get_defined_functions();
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}
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return in_array(strtolower($functionname), $get_defined_functions['user']);
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}
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return function_exists($functionname);
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}
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public static function builtin_function_exists($functionname) {
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if (function_exists('get_defined_functions')) {
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static $get_defined_functions = array();
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if (empty($get_defined_functions)) {
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$get_defined_functions = get_defined_functions();
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}
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return in_array(strtolower($functionname), $get_defined_functions['internal']);
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}
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return function_exists($functionname);
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}
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public static function version_compare_replacement_sub($version1, $version2, $operator='') {
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// If you specify the third optional operator argument, you can test for a particular relationship.
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// The possible operators are: <, lt, <=, le, >, gt, >=, ge, ==, =, eq, !=, <>, ne respectively.
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// Using this argument, the function will return 1 if the relationship is the one specified by the operator, 0 otherwise.
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// If a part contains special version strings these are handled in the following order:
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// (any string not found in this list) < (dev) < (alpha = a) < (beta = b) < (RC = rc) < (#) < (pl = p)
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static $versiontype_lookup = array();
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if (empty($versiontype_lookup)) {
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$versiontype_lookup['dev'] = 10001;
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$versiontype_lookup['a'] = 10002;
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$versiontype_lookup['alpha'] = 10002;
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$versiontype_lookup['b'] = 10003;
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$versiontype_lookup['beta'] = 10003;
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$versiontype_lookup['RC'] = 10004;
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$versiontype_lookup['rc'] = 10004;
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$versiontype_lookup['#'] = 10005;
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$versiontype_lookup['pl'] = 10006;
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$versiontype_lookup['p'] = 10006;
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}
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$version1 = (isset($versiontype_lookup[$version1]) ? $versiontype_lookup[$version1] : $version1);
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$version2 = (isset($versiontype_lookup[$version2]) ? $versiontype_lookup[$version2] : $version2);
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switch ($operator) {
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case '<':
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case 'lt':
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return (int) ($version1 < $version2);
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break;
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case '<=':
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case 'le':
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return (int) ($version1 <= $version2);
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break;
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case '>':
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case 'gt':
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return (int) ($version1 > $version2);
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break;
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case '>=':
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case 'ge':
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return (int) ($version1 >= $version2);
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break;
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case '==':
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case '=':
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case 'eq':
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return (int) ($version1 == $version2);
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break;
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case '!=':
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case '<>':
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case 'ne':
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return (int) ($version1 != $version2);
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break;
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}
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if ($version1 == $version2) {
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return 0;
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} elseif ($version1 < $version2) {
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return -1;
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}
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return 1;
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}
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public static function version_compare_replacement($version1, $version2, $operator='') {
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if (function_exists('version_compare')) {
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// built into PHP v4.1.0+
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return version_compare($version1, $version2, $operator);
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}
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// The function first replaces _, - and + with a dot . in the version strings
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$version1 = strtr($version1, '_-+', '...');
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$version2 = strtr($version2, '_-+', '...');
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// and also inserts dots . before and after any non number so that for example '4.3.2RC1' becomes '4.3.2.RC.1'.
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// Then it splits the results like if you were using explode('.',$ver). Then it compares the parts starting from left to right.
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$version1 = preg_replace('#([\d]+)([A-Z]+)([\d]+)#i', '$1.$2.$3', $version1);
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$version2 = preg_replace('#([\d]+)([A-Z]+)([\d]+)#i', '$1.$2.$3', $version2);
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$parts1 = explode('.', $version1);
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$parts2 = explode('.', $version1);
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$parts_count = max(count($parts1), count($parts2));
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for ($i = 0; $i < $parts_count; $i++) {
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$comparison = self::version_compare_replacement_sub($version1, $version2, $operator);
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if ($comparison != 0) {
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return $comparison;
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}
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}
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return 0;
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}
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public static function escapeshellarg_replacement($arg) {
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if (function_exists('escapeshellarg') && !self::FunctionIsDisabled('escapeshellarg')) {
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return escapeshellarg($arg);
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}
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return '\''.str_replace('\'', '\\\'', $arg).'\'';
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}
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public static function phpinfo_array() {
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static $phpinfo_array = array();
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if (empty($phpinfo_array)) {
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ob_start();
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phpinfo();
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$phpinfo = ob_get_contents();
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ob_end_clean();
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$phpinfo_array = explode("\n", $phpinfo);
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}
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return $phpinfo_array;
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}
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public static function exif_info() {
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static $exif_info = array();
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if (empty($exif_info)) {
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// based on code by johnschaefer at gmx dot de
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// from PHP help on gd_info()
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$exif_info = array(
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'EXIF Support' => '',
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'EXIF Version' => '',
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'Supported EXIF Version' => '',
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'Supported filetypes' => ''
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);
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$phpinfo_array = self::phpinfo_array();
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foreach ($phpinfo_array as $line) {
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$line = trim(strip_tags($line));
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foreach ($exif_info as $key => $value) {
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if (strpos($line, $key) === 0) {
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$newvalue = trim(str_replace($key, '', $line));
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$exif_info[$key] = $newvalue;
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}
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}
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}
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}
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return $exif_info;
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}
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public static function ImageTypeToMIMEtype($imagetype) {
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if (function_exists('image_type_to_mime_type') && ($imagetype >= 1) && ($imagetype <= 18)) {
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// PHP v4.3.0+
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return image_type_to_mime_type($imagetype);
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}
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static $image_type_to_mime_type = array(
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1 => 'image/gif', // IMAGETYPE_GIF
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2 => 'image/jpeg', // IMAGETYPE_JPEG
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3 => 'image/png', // IMAGETYPE_PNG
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4 => 'application/x-shockwave-flash', // IMAGETYPE_SWF
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5 => 'image/psd', // IMAGETYPE_PSD
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6 => 'image/bmp', // IMAGETYPE_BMP
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7 => 'image/tiff', // IMAGETYPE_TIFF_II (intel byte order)
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8 => 'image/tiff', // IMAGETYPE_TIFF_MM (motorola byte order)
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9 => 'application/octet-stream', // IMAGETYPE_JPC
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10 => 'image/jp2', // IMAGETYPE_JP2
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11 => 'application/octet-stream', // IMAGETYPE_JPX
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12 => 'application/octet-stream', // IMAGETYPE_JB2
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13 => 'application/x-shockwave-flash', // IMAGETYPE_SWC
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14 => 'image/iff', // IMAGETYPE_IFF
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15 => 'image/vnd.wap.wbmp', // IMAGETYPE_WBMP
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16 => 'image/xbm', // IMAGETYPE_XBM
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17 => 'image/x-icon', // IMAGETYPE_ICO
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18 => 'image/webp', // IMAGETYPE_WEBP
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'gif' => 'image/gif', // IMAGETYPE_GIF
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'jpg' => 'image/jpeg', // IMAGETYPE_JPEG
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'jpeg' => 'image/jpeg', // IMAGETYPE_JPEG
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'png' => 'image/png', // IMAGETYPE_PNG
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'bmp' => 'image/bmp', // IMAGETYPE_BMP
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'ico' => 'image/x-icon', // IMAGETYPE_ICO
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'webp' => 'image/webp', // IMAGETYPE_WEBP
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);
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return (isset($image_type_to_mime_type[$imagetype]) ? $image_type_to_mime_type[$imagetype] : false);
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}
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public static function TranslateWHbyAngle($width, $height, $angle) {
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if (($angle % 180) == 0) {
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return array($width, $height);
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}
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$newwidth = (abs(sin(deg2rad($angle))) * $height) + (abs(cos(deg2rad($angle))) * $width);
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$newheight = (abs(sin(deg2rad($angle))) * $width) + (abs(cos(deg2rad($angle))) * $height);
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return array($newwidth, $newheight);
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}
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public static function HexCharDisplay($string) {
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$len = strlen($string);
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$output = '';
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for ($i = 0; $i < $len; $i++) {
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$output .= ' 0x'.str_pad(dechex(ord($string[$i])), 2, '0', STR_PAD_LEFT);
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}
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return $output;
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}
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public static function IsHexColor($HexColorString) {
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return preg_match('#^[0-9A-F]{6}$#i', $HexColorString);
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}
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public static function ImageColorAllocateAlphaSafe(&$gdimg_hexcolorallocate, $R, $G, $B, $alpha=false) {
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if (self::version_compare_replacement(PHP_VERSION, '4.3.2', '>=') && ($alpha !== false)) {
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return imagecolorallocatealpha($gdimg_hexcolorallocate, $R, $G, $B, (int) $alpha);
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} else {
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return imagecolorallocate($gdimg_hexcolorallocate, $R, $G, $B);
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}
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}
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public static function ImageHexColorAllocate(&$gdimg_hexcolorallocate, $HexColorString, $dieOnInvalid=false, $alpha=false) {
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if (!is_resource($gdimg_hexcolorallocate) && !(is_object($gdimg_hexcolorallocate) && $gdimg_hexcolorallocate instanceOf \GdImage)) {
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die('$gdimg_hexcolorallocate is not a GD resource in ImageHexColorAllocate()');
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}
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if (self::IsHexColor($HexColorString)) {
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$R = hexdec(substr($HexColorString, 0, 2));
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$G = hexdec(substr($HexColorString, 2, 2));
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$B = hexdec(substr($HexColorString, 4, 2));
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return self::ImageColorAllocateAlphaSafe($gdimg_hexcolorallocate, $R, $G, $B, $alpha);
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}
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if ($dieOnInvalid) {
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die('Invalid hex color string: "'.$HexColorString.'"');
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}
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return imagecolorallocate($gdimg_hexcolorallocate, 0x00, 0x00, 0x00);
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}
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public static function HexColorXOR($hexcolor) {
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return strtoupper(str_pad(dechex(~hexdec($hexcolor) & 0xFFFFFF), 6, '0', STR_PAD_LEFT));
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}
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public static function GetPixelColor(&$img, $x, $y) {
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if (!is_resource($img) && !(is_object($img) && $img instanceOf \GdImage)) {
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return false;
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}
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return @imagecolorsforindex($img, @imagecolorat($img, $x, $y));
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}
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public static function PixelColorDifferencePercent($currentPixel, $targetPixel) {
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$diff = 0;
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foreach ($targetPixel as $channel => $currentvalue) {
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$diff = max($diff, (max($currentPixel[$channel], $targetPixel[$channel]) - min($currentPixel[$channel], $targetPixel[$channel])) / 255);
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}
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return $diff * 100;
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}
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public static function GrayscaleValue($r, $g, $b) {
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return round(($r * 0.30) + ($g * 0.59) + ($b * 0.11));
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}
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public static function GrayscalePixel($OriginalPixel) {
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$gray = self::GrayscaleValue($OriginalPixel[ 'red'], $OriginalPixel[ 'green'], $OriginalPixel[ 'blue']);
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return array('red'=>$gray, 'green'=>$gray, 'blue'=>$gray);
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}
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public static function GrayscalePixelRGB($rgb) {
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$r = ($rgb >> 16) & 0xFF;
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$g = ($rgb >> 8) & 0xFF;
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$b = $rgb & 0xFF;
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return ($r * 0.299) + ($g * 0.587) + ($b * 0.114);
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}
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public static function ScaleToFitInBox($width, $height, $maxwidth=null, $maxheight=null, $allow_enlarge=true, $allow_reduce=true) {
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$maxwidth = (null === $maxwidth ? $width : $maxwidth);
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$maxheight = (null === $maxheight ? $height : $maxheight);
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$scale_x = 1;
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$scale_y = 1;
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if (($width > $maxwidth) || ($width < $maxwidth)) {
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$scale_x = ($maxwidth / $width);
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}
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if (($height > $maxheight) || ($height < $maxheight)) {
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$scale_y = ($maxheight / $height);
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}
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$scale = min($scale_x, $scale_y);
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if (!$allow_enlarge) {
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$scale = min($scale, 1);
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}
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if (!$allow_reduce) {
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$scale = max($scale, 1);
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}
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return $scale;
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}
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public static function ImageCopyResampleBicubic($dst_img, $src_img, $dst_x, $dst_y, $src_x, $src_y, $dst_w, $dst_h, $src_w, $src_h) {
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// ron at korving dot demon dot nl
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// http://www.php.net/imagecopyresampled
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$scaleX = ($src_w - 1) / $dst_w;
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$scaleY = ($src_h - 1) / $dst_h;
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$scaleX2 = $scaleX / 2.0;
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$scaleY2 = $scaleY / 2.0;
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$isTrueColor = imageistruecolor($src_img);
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for ($y = $src_y; $y < $src_y + $dst_h; $y++) {
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$sY = $y * $scaleY;
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$siY = (int) $sY;
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$siY2 = (int) $sY + $scaleY2;
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for ($x = $src_x; $x < $src_x + $dst_w; $x++) {
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$sX = $x * $scaleX;
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$siX = (int) $sX;
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$siX2 = (int) $sX + $scaleX2;
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if ($isTrueColor) {
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$c1 = imagecolorat($src_img, $siX, $siY2);
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$c2 = imagecolorat($src_img, $siX, $siY);
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$c3 = imagecolorat($src_img, $siX2, $siY2);
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$c4 = imagecolorat($src_img, $siX2, $siY);
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$r = (( $c1 + $c2 + $c3 + $c4 ) >> 2) & 0xFF0000;
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$g = ((($c1 & 0x00FF00) + ($c2 & 0x00FF00) + ($c3 & 0x00FF00) + ($c4 & 0x00FF00)) >> 2) & 0x00FF00;
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$b = ((($c1 & 0x0000FF) + ($c2 & 0x0000FF) + ($c3 & 0x0000FF) + ($c4 & 0x0000FF)) >> 2);
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} else {
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$c1 = imagecolorsforindex($src_img, imagecolorat($src_img, $siX, $siY2));
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$c2 = imagecolorsforindex($src_img, imagecolorat($src_img, $siX, $siY));
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$c3 = imagecolorsforindex($src_img, imagecolorat($src_img, $siX2, $siY2));
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$c4 = imagecolorsforindex($src_img, imagecolorat($src_img, $siX2, $siY));
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$r = ($c1['red'] + $c2['red'] + $c3['red'] + $c4['red'] ) << 14;
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$g = ($c1['green'] + $c2['green'] + $c3['green'] + $c4['green']) << 6;
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$b = ($c1['blue'] + $c2['blue'] + $c3['blue'] + $c4['blue'] ) >> 2;
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}
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imagesetpixel($dst_img, $dst_x + $x - $src_x, $dst_y + $y - $src_y, $r+$g+$b);
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}
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}
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return true;
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}
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public static function ImageCreateFunction($x_size, $y_size) {
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$ImageCreateFunction = 'imagecreate';
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if (self::gd_version() >= 2.0) {
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$ImageCreateFunction = 'imagecreatetruecolor';
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}
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if (!function_exists($ImageCreateFunction)) {
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return phpthumb::ErrorImage($ImageCreateFunction.'() does not exist - no GD support?');
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}
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if (($x_size <= 0) || ($y_size <= 0)) {
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return phpthumb::ErrorImage('Invalid image dimensions: '.$ImageCreateFunction.'('.$x_size.', '.$y_size.')');
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}
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return $ImageCreateFunction(round($x_size), round($y_size));
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}
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public static function ImageCopyRespectAlpha(&$dst_im, &$src_im, $dst_x, $dst_y, $src_x, $src_y, $src_w, $src_h, $opacity_pct=100) {
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$opacipct = $opacity_pct / 100;
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for ($x = $src_x; $x < $src_w; $x++) {
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for ($y = $src_y; $y < $src_h; $y++) {
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$RealPixel = self::GetPixelColor($dst_im, $dst_x + $x, $dst_y + $y);
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$OverlayPixel = self::GetPixelColor($src_im, $x, $y);
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$alphapct = $OverlayPixel['alpha'] / 127;
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$overlaypct = (1 - $alphapct) * $opacipct;
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$newcolor = self::ImageColorAllocateAlphaSafe(
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$dst_im,
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$RealPixel['alpha'] == 127 ? $OverlayPixel['red'] : ($OverlayPixel['alpha'] == 127 ? $RealPixel['red'] : (round($RealPixel['red'] * (1 - $overlaypct)) + ($OverlayPixel['red'] * $overlaypct))),
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$RealPixel['alpha'] == 127 ? $OverlayPixel['green'] : ($OverlayPixel['alpha'] == 127 ? $RealPixel['green'] : (round($RealPixel['green'] * (1 - $overlaypct)) + ($OverlayPixel['green'] * $overlaypct))),
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$RealPixel['alpha'] == 127 ? $OverlayPixel['blue'] : ($OverlayPixel['alpha'] == 127 ? $RealPixel['blue'] : (round($RealPixel['blue'] * (1 - $overlaypct)) + ($OverlayPixel['blue'] * $overlaypct))),
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// 0);
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min([$RealPixel['alpha'], floor($OverlayPixel['alpha'] * $opacipct)])
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);
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imagesetpixel($dst_im, $dst_x + $x, $dst_y + $y, $newcolor);
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}
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}
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return true;
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}
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public static function ProportionalResize($old_width, $old_height, $new_width=false, $new_height=false) {
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$old_aspect_ratio = $old_width / $old_height;
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if (($new_width === false) && ($new_height === false)) {
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return false;
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|
} elseif ($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 * $old_aspect_ratio;
|
|
}
|
|
return array(
|
|
(int) round($new_width),
|
|
(int) round($new_height)
|
|
);
|
|
}
|
|
|
|
|
|
public static function FunctionIsDisabled($function) {
|
|
static $DisabledFunctions = null;
|
|
if (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($function)]);
|
|
}
|
|
|
|
|
|
public static function SafeExec($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] = !self::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 $returnvalue;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
|
|
public static function ApacheLookupURIarray($filename) {
|
|
// apache_lookup_uri() only works when PHP is installed as an Apache module.
|
|
if (PHP_SAPI == 'apache') {
|
|
//$property_exists_exists = function_exists('property_exists');
|
|
$keys = array('status', 'the_request', 'status_line', 'method', 'content_type', 'handler', 'uri', 'filename', 'path_info', 'args', 'boundary', 'no_cache', 'no_local_copy', 'allowed', 'send_bodyct', 'bytes_sent', 'byterange', 'clength', 'unparsed_uri', 'mtime', 'request_time');
|
|
if ($apacheLookupURIobject = @apache_lookup_uri($filename)) {
|
|
$apacheLookupURIarray = array();
|
|
foreach ($keys as $key) {
|
|
$apacheLookupURIarray[$key] = @$apacheLookupURIobject->$key;
|
|
}
|
|
return $apacheLookupURIarray;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
|
|
public static function gd_is_bundled() {
|
|
static $isbundled = null;
|
|
if (null === $isbundled) {
|
|
$gd_info = gd_info();
|
|
$isbundled = (strpos($gd_info['GD Version'], 'bundled') !== false);
|
|
}
|
|
return $isbundled;
|
|
}
|
|
|
|
|
|
public static function gd_version($fullstring=false) {
|
|
static $cache_gd_version = array();
|
|
if (empty($cache_gd_version)) {
|
|
$gd_info = gd_info();
|
|
if (preg_match('#bundled \((.+)\)$#i', $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[ (int) $fullstring ];
|
|
}
|
|
|
|
|
|
public static function filesize_remote($remotefile, $timeout=10) {
|
|
$size = false;
|
|
$parsed_url = self::ParseURLbetter($remotefile);
|
|
if ($fp = @fsockopen($parsed_url['host'], $parsed_url['port'], $errno, $errstr, $timeout)) {
|
|
fwrite($fp, 'HEAD '.$parsed_url['path'].$parsed_url['query'].' HTTP/1.0'."\r\n".'Host: '.$parsed_url['host']."\r\n\r\n");
|
|
if (self::version_compare_replacement(PHP_VERSION, '4.3.0', '>=')) {
|
|
stream_set_timeout($fp, $timeout);
|
|
}
|
|
while (!feof($fp)) {
|
|
$headerline = fgets($fp, 4096);
|
|
if (preg_match('#^Content-Length: (.*)#i', $headerline, $matches)) {
|
|
$size = (int) $matches[ 1];
|
|
break;
|
|
}
|
|
}
|
|
fclose ($fp);
|
|
}
|
|
return $size;
|
|
}
|
|
|
|
|
|
public static function filedate_remote($remotefile, $timeout=10) {
|
|
$date = false;
|
|
$parsed_url = self::ParseURLbetter($remotefile);
|
|
if ($fp = @fsockopen($parsed_url['host'], $parsed_url['port'], $errno, $errstr, $timeout)) {
|
|
fwrite($fp, 'HEAD '.$parsed_url['path'].$parsed_url['query'].' HTTP/1.0'."\r\n".'Host: '.$parsed_url['host']."\r\n\r\n");
|
|
if (self::version_compare_replacement(PHP_VERSION, '4.3.0', '>=')) {
|
|
stream_set_timeout($fp, $timeout);
|
|
}
|
|
while (!feof($fp)) {
|
|
$headerline = fgets($fp, 4096);
|
|
if (preg_match('#^Last-Modified: (.*)#i', $headerline, $matches)) {
|
|
$date = strtotime($matches[1]) - date('Z');
|
|
break;
|
|
}
|
|
}
|
|
fclose ($fp);
|
|
}
|
|
return $date;
|
|
}
|
|
|
|
|
|
public static function md5_file_safe($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;
|
|
}
|
|
|
|
|
|
public static function nonempty_min() {
|
|
$arg_list = func_get_args();
|
|
$acceptable = array();
|
|
foreach ($arg_list as $arg) {
|
|
if ($arg) {
|
|
$acceptable[] = $arg;
|
|
}
|
|
}
|
|
return min($acceptable);
|
|
}
|
|
|
|
|
|
public static function LittleEndian2String($number, $minbytes=1) {
|
|
$intstring = '';
|
|
while ($number > 0) {
|
|
$intstring .= chr($number & 255);
|
|
$number >>= 8;
|
|
}
|
|
return str_pad($intstring, $minbytes, "\x00", STR_PAD_RIGHT);
|
|
}
|
|
|
|
public static 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 $value;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
public static function CaseInsensitiveInArray($needle, $haystack) {
|
|
$needle = strtolower($needle);
|
|
foreach ($haystack as $key => $value) {
|
|
if (is_array($value)) {
|
|
// skip?
|
|
} elseif ($needle == strtolower($value)) {
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
public static function URLreadFsock($host, $file, &$errstr, $successonly=true, $port=-1, $timeout=10) {
|
|
if (!function_exists('fsockopen') || self::FunctionIsDisabled('fsockopen')) {
|
|
$errstr = 'URLreadFsock says: function fsockopen() unavailable';
|
|
return false;
|
|
}
|
|
$port = (int) ($port ? $port : -1); // passing anything as the $port parameter (even empty values like null, false, 0, "") will override the default -1. fsockopen uses -1 as the default port value.
|
|
//if ($fp = @fsockopen($host, $port, $errno, $errstr, $timeout)) {
|
|
if ($fp = @fsockopen((($port == 443) ? 'ssl://' : '').$host, $port, $errno, $errstr, $timeout)) { // https://github.com/JamesHeinrich/phpThumb/issues/39
|
|
$out = 'GET '.$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 .= $line;
|
|
}
|
|
if (preg_match('#^HTTP/[\\.\d]+ ([\d]+)\s*(.+)?$#i', rtrim($line), $matches)) {
|
|
list( , $errno, $errstr) = $matches;
|
|
$errno = (int) $errno;
|
|
} elseif (preg_match('#^Location: (.*)$#i', 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 $data_body;
|
|
}
|
|
return null;
|
|
}
|
|
|
|
public static function CleanUpURLencoding($url, $queryseperator='&') {
|
|
if (!0 === stripos($url, "http") ) {
|
|
return $url;
|
|
}
|
|
$parsed_url = self::ParseURLbetter($url);
|
|
$pathelements = explode('/', $parsed_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, $parsed_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 = $parsed_url['scheme'].'://';
|
|
$cleaned_url .= ($parsed_url['user'] ? $parsed_url['user'].($parsed_url['pass'] ? ':'.$parsed_url['pass'] : '').'@' : '');
|
|
$cleaned_url .= $parsed_url['host'];
|
|
$cleaned_url .= (($parsed_url['port'] && ($parsed_url['port'] != self::URLschemeDefaultPort($parsed_url['scheme']))) ? ':'.$parsed_url['port'] : '');
|
|
$cleaned_url .= '/'.implode('/', $CleanPathElements);
|
|
$cleaned_url .= (!empty($CleanQueries) ? '?'.implode($queryseperator, $CleanQueries) : '');
|
|
return $cleaned_url;
|
|
}
|
|
|
|
public static function URLschemeDefaultPort($scheme) {
|
|
static $schemePort = array(
|
|
'ftp' => 21,
|
|
'http' => 80,
|
|
'https' => 443,
|
|
);
|
|
return ((!empty($scheme) && isset($schemePort[strtolower($scheme)])) ? $schemePort[strtolower($scheme)] : null);
|
|
}
|
|
|
|
public static function ParseURLbetter($url) {
|
|
$parsedURL = @parse_url($url);
|
|
foreach (array('scheme', 'host', 'port', 'user', 'pass', 'path', 'query', 'fragment') as $key) { // ensure all possible array keys are always returned
|
|
if (!array_key_exists($key, $parsedURL)) {
|
|
$parsedURL[$key] = null;
|
|
}
|
|
}
|
|
$parsedURL['port'] = ($parsedURL['port'] ? $parsedURL['port'] : self::URLschemeDefaultPort($parsedURL['scheme']));
|
|
return $parsedURL;
|
|
}
|
|
|
|
public static function SafeURLread($url, &$error, $timeout=10, $followredirects=true) {
|
|
$error = '';
|
|
$errstr = '';
|
|
$rawData = '';
|
|
|
|
$parsed_url = self::ParseURLbetter($url);
|
|
$alreadyLookedAtURLs[trim($url)] = true;
|
|
|
|
while (true) {
|
|
$tryagain = false;
|
|
$rawData = self::URLreadFsock($parsed_url['host'], $parsed_url['path'].'?'.$parsed_url['query'], $errstr, true, $parsed_url['port'], $timeout);
|
|
if ($followredirects && preg_match('#302 [a-z ]+; Location\\: (http.*)#i', $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;
|
|
$parsed_url = self::ParseURLbetter($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') && !self::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($ch, CURLOPT_SSL_VERIFYHOST, 2);
|
|
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, true);
|
|
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, (bool) $followredirects);
|
|
curl_setopt($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(PHP_VERSION, $BrokenURLfopenPHPversions)) {
|
|
$error .= 'fopen(URL) broken in PHP v'. PHP_VERSION .'; ';
|
|
} 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 {
|
|
$error .= '"allow_url_fopen" disabled; ';
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
public static function EnsureDirectoryExists($dirname, $mask=0755) {
|
|
// https://www.php.net/manual/en/ini.core.php#ini.open-basedir says:
|
|
// "Under Windows, separate the directories with a semicolon. On all other systems, separate the directories with a colon."
|
|
$config_open_basedir = ini_get('open_basedir');
|
|
$startoffset = 2; // 1-based counting, first element to left of first directory separator will either be drive letter (Windows) or blank (unix). May be overridden below.
|
|
if (self::is_windows()) {
|
|
$delimiter = ';';
|
|
$case_insensitive_pathname = true;
|
|
// unix OSs will always use "/", some Windows configurations you may find "/" used interchangeably with the OS-correct "\", so standardize for ease of comparison
|
|
$dirname = str_replace('/', DIRECTORY_SEPARATOR, $dirname);
|
|
$config_open_basedir = str_replace('/', DIRECTORY_SEPARATOR, $config_open_basedir);
|
|
} else {
|
|
$delimiter = ':';
|
|
$case_insensitive_pathname = false;
|
|
}
|
|
$open_basedirs = explode($delimiter, $config_open_basedir);
|
|
foreach ($open_basedirs as $key => $open_basedir) {
|
|
if (preg_match('#^'.preg_quote($open_basedir).'#'.($case_insensitive_pathname ? 'i' : ''), $dirname) && (strlen($dirname) > strlen($open_basedir))) {
|
|
$startoffset = substr_count($open_basedir, DIRECTORY_SEPARATOR) + 1;
|
|
break;
|
|
}
|
|
}
|
|
|
|
$directory_elements = explode(DIRECTORY_SEPARATOR, $dirname);
|
|
$endoffset = count($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, $mask);
|
|
@chmod($test_directory, $mask);
|
|
if (!@is_dir($test_directory) || !@is_writable($test_directory)) {
|
|
return false;
|
|
}
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
|
|
public static function GetAllFilesInSubfolders($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;
|
|
$subfiles = self::GetAllFilesInSubfolders($fullfilename);
|
|
foreach ($subfiles as $filename) {
|
|
$AllFiles[] = $filename;
|
|
}
|
|
break;
|
|
}
|
|
} else {
|
|
// ignore?
|
|
}
|
|
}
|
|
closedir($dirhandle);
|
|
}
|
|
sort($AllFiles);
|
|
return array_unique($AllFiles);
|
|
}
|
|
|
|
|
|
public static function SanitizeFilename($filename) {
|
|
$filename = preg_replace('/[^'.preg_quote(' !#$%^()+,-.;<>=@[]_{}').'a-zA-Z0-9]/', '_', $filename);
|
|
if (self::version_compare_replacement(PHP_VERSION, '4.1.0', '>=')) {
|
|
$filename = trim($filename, '.');
|
|
}
|
|
return $filename;
|
|
}
|
|
|
|
public static function PasswordStrength($password) {
|
|
$strength = 0;
|
|
$strength += strlen(preg_replace('#[^a-z]#', '', $password)) * 0.5; // lowercase characters are weak
|
|
$strength += strlen(preg_replace('#[^A-Z]#', '', $password)) * 0.8; // uppercase characters are somewhat better
|
|
$strength += strlen(preg_replace('#[^0-9]#', '', $password)) * 1.0; // numbers are somewhat better
|
|
$strength += strlen(preg_replace('#[a-zA-Z0-9]#', '', $password)) * 2.0; // other non-alphanumeric characters are best
|
|
return $strength;
|
|
}
|
|
|
|
}
|
|
|
|
|
|
////////////// 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);
|
|
$phpthumb_temp = new phpthumb();
|
|
@chmod($tempfilename, $phpthumb_temp->getParameter('config_file_create_mask'));
|
|
|
|
// 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, $iMax = strlen($escapeables); $i < $iMax; $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 (preg_match('#^(f|ht)tp\://#i', $filename)) {
|
|
return SafeURLread($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;
|
|
}
|
|
}
|