Created
October 21, 2020 15:14
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Copy a online file using the php remote script with progressbar
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| <?php | |
| /* | |
| * Remote File Copy PHP Script 2.0.0 | |
| * | |
| * Copyright 2012, Sebastian Tschan | |
| * https://blueimp.net | |
| * | |
| * Licensed under the MIT license: | |
| * http://www.opensource.org/licenses/MIT | |
| */ | |
| $upload_dir = __DIR__."/files"; | |
| if (empty($_REQUEST["url"])) { | |
| ?><!DOCTYPE HTML> | |
| <html lang="en"> | |
| <head> | |
| <!--[if IE]><meta http-equiv="X-UA-Compatible" content="IE=edge"><![endif]--> | |
| <meta charset="utf-8"> | |
| <title>Remote File Copy</title> | |
| <meta name="viewport" content="width=device-width, initial-scale=1.0"> | |
| </head> | |
| <body> | |
| <form> | |
| <input type="url" placeholder="URL" required> | |
| <button type="submit">Start</button> | |
| </form> | |
| <ul></ul> | |
| <progress value="0" max="100" style="display:none;"></progress><span id="percentage"></span> | |
| <script src="//ajax.googleapis.com/ajax/libs/jquery/2.1.3/jquery.min.js"></script> | |
| <script> | |
| function callback(message) { | |
| if (!message) { | |
| console.error('Empty event callback response.'); | |
| return; | |
| } | |
| $.each(message, function (key, value) { | |
| switch (key) { | |
| case 'send': | |
| $('progress').show(); | |
| break; | |
| case 'progress': | |
| if (value && value.total) { | |
| $('progress').val(value.loaded / value.total * 100); | |
| console.log(value.loaded / value.total * 100); | |
| $("#percentage").html(Math.ceil(value.loaded / value.total * 100)+'%'); | |
| } | |
| break; | |
| case 'done': | |
| $('<li style="color:green;">').text(value && value.name).appendTo('ul'); | |
| $('progress').hide(); | |
| $('#percentage').hide(); | |
| break; | |
| case 'fail': | |
| $('<li style="color:red;">').text(value && value.message).appendTo('ul'); | |
| $('progress').hide(); | |
| $('#percentage').hide(); | |
| break; | |
| } | |
| }); | |
| } | |
| $('form').on('submit', function (e) { | |
| e.preventDefault(); | |
| $('<iframe src="javascript:false;" style="display:none;"></iframe>') | |
| .prop('src', '?url=' + encodeURIComponent($(this).find('input').val())) | |
| .appendTo(document.body); | |
| }); | |
| </script> | |
| </body> | |
| </html><?php | |
| exit; | |
| } | |
| $url = !empty($_REQUEST["url"]) && preg_match("|^http(s)?://.+$|", stripslashes($_REQUEST["url"])) ? | |
| stripslashes($_REQUEST["url"]) : null; | |
| $callback = !empty($_REQUEST["callback"]) && preg_match("|^\w+$|", $_REQUEST["callback"]) ? | |
| $_REQUEST["callback"] : "callback"; | |
| $use_curl = false;defined("CURLOPT_PROGRESSFUNCTION"); | |
| $temp_file = tempnam(sys_get_temp_dir(), "upload-"); | |
| $fileinfo = new stdClass(); | |
| $fileinfo->name = trim(basename($url), ".\x00..\x20"); | |
| // 1KB of initial data, required by Webkit browsers: | |
| echo "<span>".str_repeat("0", 1000)."</span>"; | |
| function event_callback ($message) { | |
| global $callback; | |
| echo "<script>parent.".$callback."(".json_encode($message).");</script>"; | |
| } | |
| function get_file_path () { | |
| global $upload_dir, $fileinfo, $temp_file; | |
| return $upload_dir."/".basename($fileinfo->name); | |
| } | |
| function stream_notification_callback ($notification_code, $severity, $message, $message_code, $bytes_transferred, $bytes_max) { | |
| global $fileinfo; | |
| switch($notification_code) { | |
| case STREAM_NOTIFY_FILE_SIZE_IS: | |
| $fileinfo->size = $bytes_max; | |
| break; | |
| case STREAM_NOTIFY_MIME_TYPE_IS: | |
| $fileinfo->type = $message; | |
| break; | |
| case STREAM_NOTIFY_PROGRESS: | |
| if (!$bytes_transferred) { | |
| event_callback(array("send" => $fileinfo)); | |
| } | |
| event_callback(array("progress" => array("loaded" => $bytes_transferred, "total" => $bytes_max))); | |
| break; | |
| } | |
| } | |
| function curl_progress_callback ($curl_resource, $total, $loaded) { | |
| global $fileinfo; | |
| if (!$loaded) { | |
| if (!isset($fileinfo->size)) { | |
| $fileinfo->size = $total; | |
| event_callback(array("send" => $fileinfo)); | |
| } | |
| } | |
| event_callback(array("progress" => array("loaded" => $loaded, "total" => $total))); | |
| } | |
| if (!$url) { | |
| $success = false; | |
| } else if ($use_curl) { | |
| $fp = fopen($temp_file, "w"); | |
| $ch = curl_init($url); | |
| curl_setopt($ch, CURLOPT_NOPROGRESS, false ); | |
| curl_setopt($ch, CURLOPT_PROGRESSFUNCTION, "curl_progress_callback"); | |
| curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true); | |
| curl_setopt($ch, CURLOPT_FILE, $fp); | |
| $success = curl_exec($ch); | |
| $curl_info = curl_getinfo($ch); | |
| if (!$success) { | |
| $err = array("message" => curl_error($ch)); | |
| } | |
| curl_close($ch); | |
| fclose($fp); | |
| $fileinfo->size = $curl_info["size_download"]; | |
| $fileinfo->type = $curl_info["content_type"]; | |
| } else { | |
| $ctx = stream_context_create(); | |
| stream_context_set_params($ctx, array("notification" => "stream_notification_callback")); | |
| $success = copy($url, $temp_file, $ctx); | |
| if (!$success) { | |
| $err = error_get_last(); | |
| } | |
| } | |
| if ($success) { | |
| $success = rename($temp_file, get_file_path()); | |
| } | |
| if ($success) { | |
| event_callback(array("done" => $fileinfo)); | |
| } else { | |
| unlink($temp_file); | |
| if (!$err) { | |
| $err = array("message" => "Invalid url parameter"); | |
| } | |
| event_callback(array("fail" => $err)); | |
| } |
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