Voicemail: File to playback Recorded Name.
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fusionate
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537e241399
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<?php
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/*
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FusionPBX
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Version: MPL 1.1
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The contents of this file are subject to the Mozilla Public License Version
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1.1 (the "License"); you may not use this file except in compliance with
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the License. You may obtain a copy of the License at
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http://www.mozilla.org/MPL/
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Software distributed under the License is distributed on an "AS IS" basis,
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WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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for the specific language governing rights and limitations under the
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License.
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The Original Code is FusionPBX
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The Initial Developer of the Original Code is
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Mark J Crane <markjcrane@fusionpbx.com>
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Portions created by the Initial Developer are Copyright (C) 2008-2024
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the Initial Developer. All Rights Reserved.
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Contributor(s):
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Mark J Crane <markjcrane@fusionpbx.com>
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*/
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//includes files
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require_once dirname(__DIR__, 2) . "/resources/require.php";
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require_once "resources/check_auth.php";
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//check permissions
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if (!permission_exists('voicemail_greeting_play') || (!permission_exists('voicemail_greeting_download') && !extension_assigned($_REQUEST["id"]))) {
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echo "access denied";
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return;
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}
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//get voicemail id
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$voicemail_id = trim($_GET['id']);
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//used (above) to search the array to determine if an extension is assigned to the user
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function extension_assigned($number) {
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foreach ($_SESSION['user']['extension'] as $row) {
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if ((is_numeric($row['number_alias']) && $row['number_alias'] == $number) || $row['user'] == $number) {
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return true;
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}
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}
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return false;
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}
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//define name recording directory
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if (!empty($_SESSION['switch']['storage']['dir'])) {
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$recording_dir = $_SESSION['switch']['storage']['dir'].'/voicemail/default/'.$_SESSION['domains'][$domain_uuid]['domain_name'].'/'.$voicemail_id;
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}
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//download the name recording
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if (permission_exists('voicemail_greeting_play') || permission_exists('voicemail_greeting_download')) {
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if (file_exists($recording_dir.'/recorded_name.wav')) {
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$fd = fopen($recording_dir.'/recorded_name.wav', "rb");
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header("Content-Type: audio/x-wav");
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header("Content-Disposition: attachment; filename='recorded_name.wav'");
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header("Cache-Control: no-cache, must-revalidate"); // HTTP/1.1
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header("Expires: Sat, 26 Jul 1997 05:00:00 GMT"); // Date in the past
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ob_clean();
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//content-range
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if (isset($_SERVER['HTTP_RANGE'])) {
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range_download($recording_dir.'/recorded_name.wav');
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}
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fpassthru($fd);
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}
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}
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//define the download function (helps safari play audio sources)
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function range_download($file) {
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$fp = @fopen($file, 'rb');
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$size = filesize($file); // File size
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$length = $size; // Content length
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$start = 0; // Start byte
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$end = $size - 1; // End byte
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// Now that we've gotten so far without errors we send the accept range header
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/* At the moment we only support single ranges.
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* Multiple ranges requires some more work to ensure it works correctly
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* and comply with the spesifications: http://www.w3.org/Protocols/rfc2616/rfc2616-sec19.html#sec19.2
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*
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* Multirange support annouces itself with:
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* header('Accept-Ranges: bytes');
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*
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* Multirange content must be sent with multipart/byteranges mediatype,
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* (mediatype = mimetype)
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* as well as a boundry header to indicate the various chunks of data.
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*/
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header("Accept-Ranges: 0-$length");
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// header('Accept-Ranges: bytes');
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// multipart/byteranges
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// http://www.w3.org/Protocols/rfc2616/rfc2616-sec19.html#sec19.2
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if (isset($_SERVER['HTTP_RANGE'])) {
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$c_start = $start;
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$c_end = $end;
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// Extract the range string
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list(, $range) = explode('=', $_SERVER['HTTP_RANGE'], 2);
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// Make sure the client hasn't sent us a multibyte range
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if (strpos($range, ',') !== false) {
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// (?) Shoud this be issued here, or should the first
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// range be used? Or should the header be ignored and
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// we output the whole content?
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header('HTTP/1.1 416 Requested Range Not Satisfiable');
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header("Content-Range: bytes $start-$end/$size");
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// (?) Echo some info to the client?
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exit;
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}
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// If the range starts with an '-' we start from the beginning
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// If not, we forward the file pointer
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// And make sure to get the end byte if spesified
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if (!empty($range0) && $range0 == '-') {
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// The n-number of the last bytes is requested
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$c_start = $size - substr($range, 1);
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}
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else {
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$range = explode('-', $range);
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$c_start = $range[0];
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$c_end = (isset($range[1]) && is_numeric($range[1])) ? $range[1] : $size;
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}
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/* Check the range and make sure it's treated according to the specs.
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* http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html
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*/
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// End bytes can not be larger than $end.
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$c_end = ($c_end > $end) ? $end : $c_end;
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// Validate the requested range and return an error if it's not correct.
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if ($c_start > $c_end || $c_start > $size - 1 || $c_end >= $size) {
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header('HTTP/1.1 416 Requested Range Not Satisfiable');
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header("Content-Range: bytes $start-$end/$size");
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// (?) Echo some info to the client?
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exit;
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}
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$start = $c_start;
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$end = $c_end;
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$length = $end - $start + 1; // Calculate new content length
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fseek($fp, $start);
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header('HTTP/1.1 206 Partial Content');
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}
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// Notify the client the byte range we'll be outputting
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header("Content-Range: bytes $start-$end/$size");
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header("Content-Length: $length");
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// Start buffered download
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$buffer = 1024 * 8;
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while(!feof($fp) && ($p = ftell($fp)) <= $end) {
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if ($p + $buffer > $end) {
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// In case we're only outputtin a chunk, make sure we don't
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// read past the length
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$buffer = $end - $p + 1;
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}
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set_time_limit(0); // Reset time limit for big files
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echo fread($fp, $buffer);
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flush(); // Free up memory. Otherwise large files will trigger PHP's memory limit.
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}
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fclose($fp);
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}
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?>
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