90 lines
2.6 KiB
PHP
90 lines
2.6 KiB
PHP
<?php defined('BLUDIT') or die('Bludit CMS.');
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header('Content-Type: application/json');
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/*
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| Upload an image to a particular page
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| @_POST['uuid'] string Page uuid
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| @return array
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*/
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// $_POST
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// ----------------------------------------------------------------------------
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$uuid = empty($_POST['uuid']) ? false : $_POST['uuid'];
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// ----------------------------------------------------------------------------
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// Check path traversal on $uuid
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if ($uuid) {
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if (Text::stringContains($uuid, DS, false)) {
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$message = 'Path traversal detected.';
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Log::set($message, LOG_TYPE_ERROR);
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ajaxResponse(1, $message);
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}
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}
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// Set upload directory
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if ($uuid && IMAGE_RESTRICT) {
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$imageDirectory = PATH_UPLOADS_PAGES.$uuid.DS;
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$thumbnailDirectory = $imageDirectory.'thumbnails'.DS;
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if (!Filesystem::directoryExists($thumbnailDirectory)) {
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Filesystem::mkdir($thumbnailDirectory, true);
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}
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} else {
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$imageDirectory = PATH_UPLOADS;
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$thumbnailDirectory = PATH_UPLOADS_THUMBNAILS;
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}
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$images = array();
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foreach ($_FILES['images']['name'] as $uuid=>$filename) {
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// Check for errors
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if ($_FILES['images']['error'][$uuid] != 0) {
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$message = $L->g('Maximum load file size allowed:').' '.ini_get('upload_max_filesize');
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Log::set($message, LOG_TYPE_ERROR);
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ajaxResponse(1, $message);
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}
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// Convert URL characters such as spaces or quotes to characters
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$filename = urldecode($filename);
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// Check path traversal on $filename
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if (Text::stringContains($filename, DS, false)) {
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$message = 'Path traversal detected.';
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Log::set($message, LOG_TYPE_ERROR);
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ajaxResponse(1, $message);
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}
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// Check file extension
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$fileExtension = Filesystem::extension($filename);
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$fileExtension = Text::lowercase($fileExtension);
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if (!in_array($fileExtension, $GLOBALS['ALLOWED_IMG_EXTENSION']) ) {
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$message = $L->g('File type is not supported. Allowed types:').' '.implode(', ',$GLOBALS['ALLOWED_IMG_EXTENSION']);
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Log::set($message, LOG_TYPE_ERROR);
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ajaxResponse(1, $message);
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}
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// Move from PHP tmp file to Bludit tmp directory
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Filesystem::mv($_FILES['images']['tmp_name'][$uuid], PATH_TMP.$filename);
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// Transform the image and generate the thumbnail
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$image = transformImage(PATH_TMP.$filename, $imageDirectory, $thumbnailDirectory);
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// Delete temporary file
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Filesystem::rmfile(PATH_TMP.$filename);
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if ($image) {
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chmod($image, 0644);
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$filename = Filesystem::filename($image);
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array_push($images, $filename);
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} else {
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$message = 'Error after transformImage() function.';
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Log::set($message, LOG_TYPE_ERROR);
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ajaxResponse(1, $message);
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}
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}
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ajaxResponse(0, 'Images uploaded.', array(
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'images'=>$images
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));
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?>
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