forked from verdnatura/hedera-web
100 lines
2.2 KiB
PHP
100 lines
2.2 KiB
PHP
<?php
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require_once ('vn/web/rest-request.php');
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require_once (__DIR__.'/util.php');
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/**
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* Creates a thumb from an existing full image.
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*
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* @param string $schema The name of schema
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* @param string $file The file name
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* @param integer $width The width of the thumb
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* @param integer $height The height of the thumb
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**/
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class Thumb extends Vn\Web\RestRequest
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{
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function run ()
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{
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// XXX: Uncomment only to test the script
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//$_SERVER['REQUEST_URI'] = 'catalog/200x200/e_cinerea.png';
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$db = $this->getSysConn ();
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// Gets parameters from URI.
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$uriSplit = explode ('/', $_SERVER['REQUEST_URI']);
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$uriSplit = array_slice ($uriSplit, count ($uriSplit) - 3, 3);
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if (count ($uriSplit) < 3)
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throw new Exception ('Bad request');
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$schema = $uriSplit[0];
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$orgFile = $uriSplit[2];
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$file = $orgFile;
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if (strrpos ($file, '.') === FALSE)
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$file .= '.png';
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$size = explode ('x', $uriSplit[1]);
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if (count ($size) < 2)
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throw new Exception ('Bad request');
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$width = (int) $size[0];
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$height = (int) $size[1];
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// Verifies that it is an allowed size.
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$params = [
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'schema' => $schema
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,'width' => $width
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,'height' => $height
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];
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$row = $db->getValue (
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'SELECT crop
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FROM image_schema s
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JOIN image_schema_size z ON z.image_schema_id = s.id
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WHERE s.name = #schema
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AND z.width = #width
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AND z.height = #height'
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,$params
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);
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if (!isset ($row))
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throw new Exception ('Size not allowed');
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// Creates the thumb.
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$util = new Util ($this->app);
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$baseDir = "{$util->dataDir}/$schema";
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$srcFile = "$baseDir/full/$file";
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$dstFile = "$baseDir/{$width}x{$height}/$file";
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$symbolicSrc = "../full/$file";
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if (!file_exists ($srcFile))
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throw new Exception ('Source not exists');
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if (file_exists ($dstFile))
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throw new Exception ('Destination already exists');
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$image = Image::create ($srcFile);
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Image::resizeSave ($image, $dstFile, $height, $width, $row, $symbolicSrc);
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imagedestroy ($image);
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// Sends the thumb to the client
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$useXsendfile = $db->getValue ('SELECT use_xsendfile FROM image_config');
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if ($useXsendfile)
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{
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header ("X-Sendfile: $dstFile");
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header ("Content-Type: image/png");
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}
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else
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header ("Location: {$_SERVER['REQUEST_URI']}");
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}
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}
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?>
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