X-Git-Url: http://git.shiar.nl/minimedit.git/blobdiff_plain/e5da0ad603c58c2dd86581e35d6e1a60c0ae2e7d..c1e16f04396f7f76f94f0ef6bbaadc33be20a60e:/thumb/index.php

diff --git a/thumb/index.php b/thumb/index.php
index 532499f..7de4f45 100644
--- a/thumb/index.php
+++ b/thumb/index.php
@@ -1,8 +1,10 @@
 <?php
-ob_clean();
-
-list ($height, $imgpath) = explode('/', ltrim($Args, '/'), 2);
-$width= 1000;
+if (!$User) return;
+$imgpath = ltrim($Page->path, '/');
+if (!preg_match('{^[0-9x]+/}', $imgpath)) {
+	return;
+}
+list ($size, $imgpath) = explode('/', $imgpath, 2);
 $imgpath = preg_replace('{^(?=[0-9]+/)}', 'data/', $imgpath, 1);
 
 if (!file_exists($imgpath)) {
@@ -14,13 +16,13 @@ if (!file_exists($imgpath)) {
 }
 
 try {
-	$target = mkthumb($imgpath, $width, $height);
+	$target = mkthumb($imgpath, $size);
 }
-catch (Exception $e) {
+catch (Throwable $e) {
 	http_response_code($e->getCode() ?: 500);
+	header("X-Error: ".explode("\n", $e->getMessage())[0], FALSE);
 	$target = '500.png';
 	if (file_exists($target)) {
-		header("X-Error: ".$e->getMessage());
 		header('Content-type: '.mime_content_type($target));
 		readfile($target);
 		exit;
@@ -29,19 +31,32 @@ catch (Exception $e) {
 	exit;
 }
 
+header('Cache-Control: max-age=2628000');
 header('Content-type: '.mime_content_type($target));
 readfile($target);
 exit;
 
-function mkthumb($source, $width, $height)
+function mkthumb($source, $size)
 {
-	$target = "thumb/$height/$source";
+	if (strpos($size, 'x') !== FALSE) {
+		list ($width, $height) = explode('x', $size);
+		if (empty($height)) {
+			$height = $width * 4;
+		}
+	}
+	else {
+		$height = $size;
+	}
+	if (empty($width)) {
+		$width = $height * 4;
+	}
+	$target = "thumb/$size/$source";
 
 	if (isset($_GET['backend'])) {
 		$backend = $_GET['backend'];
 	}
 	elseif (file_exists($target)) {
-		return;
+		return $target;
 	}
 	elseif (extension_loaded('gd')) {
 		$backend = 'gd';
@@ -77,10 +92,16 @@ function mkthumb_exec($source, $target, $width, $height)
 	}
 	$cmd = implode(' ', array_map('escapeshellarg', [
 		'convert',
+		'-delete', '1--1', # static
 		'-trim',
+		'-background', 'white', '-layers', 'flatten', # opaque
+		'-auto-orient', # apply exif rotation
+		'-interlace', 'plane', # progressive
+		'-strip', '-taint', # omit metadata
+		'-sampling-factor', '4:2:0', '-colorspace', 'sRGB', # half chroma
 		'-resize', "${width}x${height}",
-		'-quality', '90%',
-		$source, $target
+		'-quality', '85%',
+		$source, "jpg:$target"
 	]));
 	$return = shell_exec("$cmd 2>&1");
 	if ($return) {