76 lines
2.1 KiB
PHP
76 lines
2.1 KiB
PHP
<?php
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include ("includes/vars.php");
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include ("includes/functions.php");
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include ("utils/imagefunctions.php");
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$url = $_REQUEST['url'];
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foreach ($_GET as $k => $v) {
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if ($k != 'url' && $k != 'rompr_resize_size' && $k != 'rompr_backup_type') {
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$url .= '&'.$k.'='.$v;
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}
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}
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if (!$url) {
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logger::error("GETREMOTEIMAGE", "Asked to download image but no URL given!");
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header("HTTP/1.1 404 Not Found");
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} else {
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logger::log("GETREMOTEIMAGE", "Getting Remote Image ".$url);
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$outfile = 'prefs/imagecache/'.md5($url);
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if (!file_exists($outfile)) {
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if (download_image_file($url, $outfile)) {
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output_file($outfile);
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} else {
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send_backup_image();
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}
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} else {
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output_file($outfile);
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}
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}
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function output_file($outfile) {
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$imagehandler = new imageHandler($outfile);
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$size = array_key_exists('rompr_resize_size', $_REQUEST) ? $_REQUEST['rompr_resize_size'] : 'asdownloaded';
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$imagehandler->outputResizedFile($size);
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}
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function download_image_file($url, $outfile) {
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if (substr($url, 0, 10) == 'data:image') {
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logger::trace("GETREMOTEIMAGE", " ... Decoding Base64 Data");
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create_image_from_base64($url, $outfile);
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} else {
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logger::trace("GETREMOTEIMAGE", " ... Downloading it");
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$d = new url_downloader(array('url' => $url));
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if ($d->get_data_to_file($outfile, true)) {
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logger::trace("GETREMOTEIMAGE", "Cached Image ".$outfile);
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$content_type = $d->get_content_type();
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logger::trace("GETREMOTEIMAGE", " ... Content Type is ".$content_type);
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if (substr($content_type,0,5) != 'image' && $content_type != 'application/octet-stream') {
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logger::warn("GETREMOTEIMAGE", " Not an image file! ",$url);
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unlink($outfile);
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return false;
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}
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} else {
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return false;
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}
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}
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return true;
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}
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function send_backup_image() {
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if (array_key_exists('rompr_backup_type', $_REQUEST)) {
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switch ($_REQUEST['rompr_backup_type']) {
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case 'stream':
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logger::log("GETREMOTEIMAGE","Sending backup image for stream");
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header('Content-type: image/svg+xml');
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readfile('newimages/broadcast.svg');
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break;
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}
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} else {
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header("HTTP/1.1 404 Not Found");
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}
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}
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?>
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