← All changes | classes/Video_Stream.php +33 -145 trunk → 2.0.10 View file →

		@@ -1,12 +1,10 @@
1	1	<?php
2	2	/**
3		- * Video Stream
4		- *
5		- * @package Tutor\VideoStream
6		- * @author Themeum <support@themeum.com>
7		- * @link https://themeum.com
8		- * @since 1.0.0
	3	+ * Created by PhpStorm.
	4	+ * User: themeum
	5	+ * Date: 24/9/18
	6	+ * Time: 4:03 PM
9	7	*/
10	8
11	9	namespace TUTOR;
12	10
		@@ -17,84 +15,27 @@
17	15
18	16	/**
19	17	* Class Video_Stream
20	18	*
21		- * @since 1.0.0
	19	+ * @package TUTOR
	20	+ *
	21	+ * TUTOR Video Stream Class
	22	+ * @since v.1.0.0
22	23	*/
	24	+
23	25	class Video_Stream {
24	26
25		- /**
26		- * Path
27		- *
28		- * @since 1.0.0
29		- *
30		- * @var string
31		- */
32		- private $path = '';
33		-
34		- /**
35		- * Stream
36		- *
37		- * @since 1.0.0
38		- *
39		- * @var string
40		- */
	27	+ private $path = '';
41	28	private $stream = '';
42		-
43		- /**
44		- * Buffer time
45		- *
46		- * @since 1.0.0
47		- *
48		- * @var string
49		- */
50	29	private $buffer = 102400;
	30	+ private $start = -1;
	31	+ private $end = -1;
	32	+ private $size = 0;
51	33
52		- /**
53		- * Start
54		- *
55		- * @since 1.0.0
56		- *
57		- * @var int
58		- */
59		- private $start = -1;
	34	+ private $videoFormats;
60	35
61		- /**
62		- * End
63		- *
64		- * @since 1.0.0
65		- *
66		- * @var int
67		- */
68		- private $end = -1;
69		-
70		- /**
71		- * Size
72		- *
73		- * @since 1.0.0
74		- *
75		- * @var int
76		- */
77		- private $size = 0;
78		-
79		- /**
80		- * Video format
81		- *
82		- * @since 1.0.0
83		- *
84		- * @var string
85		- */
86		- private $video_format;
87		-
88		- /**
89		- * Resolve dependencies
90		- *
91		- * @since 1.0.0
92		- *
93		- * @param string $file_path file path.
94		- */
95		- public function __construct( $file_path ) {
96		- $this->video_format = apply_filters(
	36	+ function __construct( $filePath ) {
	37	+ $this->videoFormats = apply_filters(
97	38	'tutor_video_types',
98	39	array(
99	40	'mp4' => 'video/mp4',
100	41	'webm' => 'video/webm',
		@@ -100,49 +41,16 @@
100	41	'webm' => 'video/webm',
101	42	'ogg' => 'video/ogg',
102	43	)
103	44	);
104		- $this->path = $file_path;
	45	+ $this->path = $filePath;
105	46	}
106	47
107	48	/**
108		- * Whether the file is a real video inside the uploads directory.
109		- *
110		- * @since 4.0.2
111		- *
112		- * @param string $file_path file path.
113		- *
114		- * @return bool
115		- */
116		- private function is_allowed_path( $file_path ) {
117		- $real_file = $file_path ? realpath( $file_path ) : false;
118		- if ( ! $real_file || ! is_file( $real_file ) ) {
119		- return false;
120		- }
121		-
122		- $uploads = wp_get_upload_dir();
123		- $real_uploads = ! empty( $uploads['basedir'] ) ? realpath( $uploads['basedir'] ) : false;
124		- if ( ! $real_uploads ) {
125		- return false;
126		- }
127		-
128		- $real_file = wp_normalize_path( $real_file );
129		- $real_uploads = trailingslashit( wp_normalize_path( $real_uploads ) );
130		- $is_allowed = 0 === strpos( $real_file, $real_uploads );
131		-
132		- return (bool) apply_filters( 'tutor_video_stream_is_allowed_path', $is_allowed, $real_file );
133		- }
134		-
135		- /**
136	49	* Open stream
137		- *
138		- * @since 1.0.0
139		- *
140		- * @return void
141	50	*/
142	51	private function open() {
143		- $this->stream = fopen( $this->path, 'rb' );
144		- if ( ! ( $this->stream ) ) {
	52	+ if ( ! ( $this->stream = fopen( $this->path, 'rb' ) ) ) {
145	53	die( 'Could not open stream for reading' );
146	54	}
147	55	}
148	56
		@@ -147,17 +55,13 @@
147	55	}
148	56
149	57	/**
150	58	* Set proper header to serve the video content
151		- *
152		- * @since 1.0.0
153		- *
154		- * @return void
155	59	*/
156		- private function set_header() {
	60	+ private function setHeader() {
157	61	ob_get_clean();
158	62
159		- header( 'Content-Type: ' . $this->video_format[ strtolower( pathinfo( $this->path, PATHINFO_EXTENSION ) ) ] );
	63	+ header( 'Content-Type: ' . $this->videoFormats[ strtolower( pathinfo( $this->path, PATHINFO_EXTENSION ) ) ] );
160	64	header( 'Cache-Control: max-age=2592000, public' );
161	65	header( 'Expires: ' . gmdate( 'D, d M Y H:i:s', tutor_time() + 2592000 ) . ' GMT' );
162	66	header( 'Last-Modified: ' . gmdate( 'D, d M Y H:i:s', @filemtime( $this->path ) ) . ' GMT' );
163	67	$this->start = 0;
		@@ -166,11 +70,11 @@
166	70	header( 'Accept-Ranges: 0-' . $this->end );
167	71
168	72	if ( isset( $_SERVER['HTTP_RANGE'] ) ) {
169	73	$c_end = $this->end;
170		- list(, $range) = explode( '=', sanitize_text_field( wp_unslash( $_SERVER['HTTP_RANGE'] ) ), 2 );
	74	+ list(, $range) = explode( '=', $_SERVER['HTTP_RANGE'], 2 );
171	75
172		- if ( '-' == $range ) {
	76	+ if ( $range == '-' ) {
173	77	$c_start = $this->size - substr( $range, 1 );
174	78	} else {
175	79	$range = explode( '-', $range );
176	80	$c_start = $range[0];
		@@ -196,13 +100,9 @@
196	100
197	101	}
198	102
199	103	/**
200		- * Close currently opened stream
201		- *
202		- * @since 1.0.0
203		- *
204		- * @return void
	104	+ * close currently opened stream
205	105	*/
206	106	private function end() {
207	107	fclose( $this->stream );
208	108	exit;
		@@ -208,44 +108,32 @@
208	108	exit;
209	109	}
210	110
211	111	/**
212		- * Perform the streaming of calculated range
213		- *
214		- * @since 1.0.0
215		- *
216		- * @return void
	112	+ * perform the streaming of calculated range
217	113	*/
218	114	private function stream() {
219	115	$i = $this->start;
220	116	set_time_limit( 0 );
221	117	while ( ! feof( $this->stream ) && $i <= $this->end ) {
222		- $bytes_to_read = $this->buffer;
223		- if ( ( $i + $bytes_to_read ) > $this->end ) {
224		- $bytes_to_read = $this->end - $i + 1;
	118	+ $bytesToRead = $this->buffer;
	119	+ if ( ( $i + $bytesToRead ) > $this->end ) {
	120	+ $bytesToRead = $this->end - $i + 1;
225	121	}
226		- $data = @stream_get_contents( $this->stream, $bytes_to_read, $i );
227		- echo wp_kses_post( $data );
	122	+ // $data = fread($this->stream, $bytesToRead);
	123	+ $data = @stream_get_contents( $this->stream, $bytesToRead, $i );
	124	+ echo $data;
228	125	flush();
229		- $i += $bytes_to_read;
	126	+ $i += $bytesToRead;
230	127	}
231	128	}
232	129
233	130	/**
234	131	* Start streaming tutor video content
235		- *
236		- * @since 1.0.0
237		- *
238		- * @return void
239	132	*/
240		- public function start() {
241		- if ( ! $this->is_allowed_path( $this->path ) ) {
242		- status_header( 403 );
243		- exit;
244		- }
245		-
	133	+ function start() {
246	134	$this->open();
247		- $this->set_header();
	135	+ $this->setHeader();
248	136	$this->stream();
249	137	$this->end();
250	138	}
251	139	}