118 lines
3.7 KiB
PHP
118 lines
3.7 KiB
PHP
<?php
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/**
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* @category Images
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* @package Image_Graph
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*/
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/**
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* Pandora FMS - https://pandorafms.com
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* ==================================================
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* Copyright (c) 2005-2023 Pandora FMS
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* Please see https://pandorafms.com/community/ for full contribution list
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation for version 2.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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// INI Lines of code for direct url call script
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if (isset($_GET['getFile'])) {
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$file = $_GET['file'];
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if (isset($_GET['thumb'])) {
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if (!isset($_GET['thumb_size'])) {
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$newWidth = $newHeight = '50%';
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} else {
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$new_size_values = explode('x', $_GET['thumb_size']);
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$newWidth = (integer) $new_size_values[0];
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$newHeight = (integer) $new_size_values[1];
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}
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$temp = explode('/', $file);
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$fileName = end($temp);
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$fileTemp = sys_get_temp_dir().'/tumb_'.$newWidth.'x'.$newHeight.'_'.$fileName;
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if (is_file($fileTemp)) {
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if (!is_readable($fileTemp)) {
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$fileTemp = sys_get_temp_dir().'/tumb_'.$newWidth.'x'.$newHeight.'_'.uniqid().'_'.$fileName;
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createthumb($_SERVER['DOCUMENT_ROOT'].$file, $fileTemp, $newWidth, $newHeight);
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}
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} else {
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createthumb($file, $fileTemp, $newWidth, $newHeight);
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}
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getFile($fileName, $fileTemp);
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unlink($fileTemp);
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}
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}
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// END Lines of code for direct url call script
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/**
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* Get a file change http header and write as binary output for
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* redirect to file content.
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*
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* @param string destFileName Name for rename file when the browser get the file.
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* @param string fileLocation The real location the file in server.
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*/
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function getFile($destFileName, $fileLocation)
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{
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error_reporting(0);
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// NOTICE: mime_conent_type() IS NOT SUPPORTED IN PHP >= 5.2.11 anymore
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// THIS DOESNT WORK ON SUSE 11.x !
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// header('Content-type: aplication/octet-stream;');
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// header('Content-type: ' . mime_content_type($fileLocation) . ';');
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// header( "Content-Length: " . filesize($fileLocation));
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// header('Content-Disposition: attachment; filename="' . $destFileName . '"');
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// Do not send any header, rely on browser
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readfile($fileLocation);
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}
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/**
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* Create a thumb of image file in filesystem of server.
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*
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* @param string origFileName Original image
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* @param string destFileName Thumb image
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* @param integer newWidth Thumb width
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* @param integer newHeight Thumb height
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*/
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function createthumb($origFileName, $destFileName, $newWidth, $newHeight)
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{
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// TODO $newWidth and $newHeight values as percent.
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preg_match('/\.(jpg|jpeg|png)$/', $origFileName, $match);
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$extension = '';
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if (!empty($match)) {
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$extension = $match[1];
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}
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if (preg_match('/jpg|jpeg/', $extension)) {
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$src_img = imagecreatefromjpeg($origFileName);
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}
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if (preg_match('/png/', $extension)) {
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$src_img = imagecreatefrompng($origFileName);
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}
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$oldWidth = imagesx($src_img);
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$oldHeight = imagesy($src_img);
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$dst_img = imagecreatetruecolor($newWidth, $newHeight);
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imagecopyresampled($dst_img, $src_img, 0, 0, 0, 0, $newWidth, $newHeight, $oldWidth, $oldHeight);
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if (preg_match('/png/', $extension)) {
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imagepng($dst_img, $destFileName);
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} else {
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imagejpeg($dst_img, $destFileName);
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}
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imagedestroy($dst_img);
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imagedestroy($src_img);
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}
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