148 lines
4 KiB
PHP
148 lines
4 KiB
PHP
<?php
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// load plugins
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$plugins = array();
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if (is_dir("plugins")) {
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$plugins = scandir("plugins");
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array_shift($plugins); array_shift($plugins); // remove . and ..
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foreach ($plugins as $p) if (is_file("plugins/$p/functions.php"))
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require "plugins/$p/functions.php";
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}
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function plugins_include($phpFile)
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{
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foreach ($GLOBALS['plugins'] as $p) if (is_file("plugins/$p/$phpFile"))
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require "plugins/$p/$phpFile";
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}
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function getPathInfo()
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{
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$simplePath = $_SERVER["PATH_INFO"];
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if ($simplePath == '/') $simplePath = '';
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// extra security check to avoid /photos/index/../.. like urls, maybe useless but..
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if (strpos($simplePath, '..') !== false) die(".. found in url");
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return $simplePath;
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}
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if (! function_exists('getImageLink')) {
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function getImageLink($imageSimplePath)
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{
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return $GLOBALS['rootUrl'].IMAGES_DIR.$imageSimplePath;
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}
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}
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if (! function_exists('getPreview')) {
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function getPreview($imgFile, $maxSize = THUMB_SIZE)
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{
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# example: data/myalbum/100.mypic.jpg
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$newImgFile = DATA_DIR."/".dirname($imgFile)."/".$maxSize.".".basename($imgFile);
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# if the preview is a symlink, image is already good sized
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if (is_link($newImgFile)) return $imgFile;
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if (! is_file($newImgFile))
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{
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# this tels the template to flush output after displaying previews
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$GLOBALS["generating"] = true;
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# reset script time limit to 20s (wont work in safe mode)
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set_time_limit(20);
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$ext = strtolower(substr($imgFile, -4));
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if ($ext == ".jpg") {
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$img = imagecreatefromjpeg($imgFile);
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$exif = exif_read_data($imgFile);
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} else {
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$img = imagecreatefrompng($imgFile);
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}
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if ($img === false) return ""; #read error (wrong permission...)
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$w = imagesx($img);
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$h = imagesy($img);
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# if the image is already small, make a symlink, and return it
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if ($w <= $maxSize and $h <= $maxSize) {
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imagedestroy($img);
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symlink($imgFile, $newImgFile);
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return $imgFile;
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}
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# config to allow group writable files
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umask(DATA_UMASK);
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# create the thumbs directory recursively
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if (! is_dir(dirname($newImgFile))) @mkdir(dirname($newImgFile), 0777, true)
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or die("Could not write in data dir. Please fix permissions.");
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if ($w > $h) {
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$newW = $maxSize;
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$newH = $h/($w/$maxSize);
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} else {
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$newW = $w/($h/$maxSize);
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$newH = $maxSize;
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}
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$newImg = imagecreatetruecolor($newW, $newH);
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imagecopyresampled($newImg, $img, 0, 0, 0, 0, $newW, $newH, $w, $h);
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if ($ext == ".jpg") {
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if (!empty($exif['Orientation'])) {
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$orientation = $exif['Orientation'];
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if ($orientation === 3) $newImg = imagerotate($newImg, 180, 0);
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elseif ($orientation === 6) $newImg = imagerotate($newImg, -90, 0);
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elseif ($orientation === 8) $newImg = imagerotate($newImg, 90, 0);
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}
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imagejpeg($newImg, $newImgFile, JPEG_QUALITY);
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} else {
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imagepng($newImg, $newImgFile);
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}
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imagedestroy($img);
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imagedestroy($newImg);
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}
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return $newImgFile;
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}
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}
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function getAlbumPreview($dir)
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{
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$previewFile = DATA_DIR."/$dir/albumpreview";
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if (is_file("$previewFile.jpg")) {
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return "$previewFile.jpg";
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} else if (is_file("$previewFile.empty")) {
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return "";
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} else if (is_file("$previewFile.png")) {
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return "$previewFile.png";
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} else {
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# config to allow group writable files
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umask(DATA_UMASK);
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# create the thumbs directory recursively
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if (! is_dir(dirname($previewFile))) @mkdir(dirname($previewFile), 0777, true)
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or die("Could not write in data dir. Please fix permissions.");
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// no preview: look for a preview in current dir, write it, return it
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foreach (scandir($dir) as $file) if ($file[0] != '.') {
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$ext = strtolower(substr($file, -4));
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if ($ext == ".jpg" or $ext == ".png") {
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$thumb = getPreview("$dir/$file");
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copy($thumb, $previewFile.$ext);
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return $previewFile.$ext;
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} else if (is_dir("$dir/$file")) {
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$subPreview = getAlbumPreview("$dir/$file");
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if ($subPreview) {
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$myPreview = dirname($previewFile)."/".basename($subPreview);
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copy($subPreview, $myPreview);
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return $myPreview;
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}
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}
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}
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// nothing found. create empty file
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touch("$previewFile.empty");
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return "";
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}
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}
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?>
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