1
|
|
|
<?php |
2
|
|
|
|
3
|
|
|
declare(strict_types=1); |
4
|
|
|
|
5
|
|
|
namespace WebThumbnailer; |
6
|
|
|
|
7
|
|
|
use WebThumbnailer\Application\Thumbnailer; |
8
|
|
|
use WebThumbnailer\Exception\MissingRequirementException; |
9
|
|
|
use WebThumbnailer\Exception\WebThumbnailerException; |
10
|
|
|
|
11
|
|
|
/** |
12
|
|
|
* WebThumbnailer.php |
13
|
|
|
*/ |
14
|
|
|
class WebThumbnailer |
15
|
|
|
{ |
16
|
|
|
/* |
17
|
|
|
* SIZES |
18
|
|
|
*/ |
19
|
|
|
public const MAX_WIDTH = 'MAX_WIDTH'; |
20
|
|
|
public const MAX_HEIGHT = 'MAX_HEIGHT'; |
21
|
|
|
public const SIZE_SMALL = 'small'; |
22
|
|
|
public const SIZE_MEDIUM = 'medium'; |
23
|
|
|
public const SIZE_LARGE = 'large'; |
24
|
|
|
|
25
|
|
|
/* |
26
|
|
|
* DOWNLOAD & CACHE |
27
|
|
|
*/ |
28
|
|
|
/** Flag to download and serve locally all image. */ |
29
|
|
|
public const DOWNLOAD = 'DOWNLOAD'; |
30
|
|
|
|
31
|
|
|
/** Flag to use hotlink if available. */ |
32
|
|
|
public const HOTLINK = 'HOTLINK'; |
33
|
|
|
|
34
|
|
|
/** Use only hotlink, no thumbnail if not available. */ |
35
|
|
|
public const HOTLINK_STRICT = 'HOTLINK_STRICT'; |
36
|
|
|
|
37
|
|
|
/** Network timeout, in seconds. */ |
38
|
|
|
public const DOWNLOAD_TIMEOUT = 'DOWNLOAD_TIMEOUT'; |
39
|
|
|
|
40
|
|
|
/** Number of bytes to download for a thumbnail. Default 4194304 (4MB). */ |
41
|
|
|
public const DOWNLOAD_MAX_SIZE = 'DOWNLOAD_MAX_SIZE'; |
42
|
|
|
|
43
|
|
|
/** Enable verbose mode: log errors with error_log */ |
44
|
|
|
public const VERBOSE = 'VERBOSE'; |
45
|
|
|
|
46
|
|
|
/** Disable the cache system. */ |
47
|
|
|
public const NOCACHE = 'NOCACHE'; |
48
|
|
|
|
49
|
|
|
/** Crop image to fixed size. */ |
50
|
|
|
public const CROP = 'CROP'; |
51
|
|
|
|
52
|
|
|
/** Debug mode. Throw exceptions. */ |
53
|
|
|
public const DEBUG = 'DEBUG'; |
54
|
|
|
|
55
|
|
|
/** Setting to define resize mode */ |
56
|
|
|
public const RESIZE_MODE = 'RESIZE_MODE'; |
57
|
|
|
|
58
|
|
|
/** Resize mode: less CPU usage but could end up pixellized */ |
59
|
|
|
public const RESIZE = 'RESIZE'; |
60
|
|
|
|
61
|
|
|
/** Resample mode: more CPU usage but smoother rendering */ |
62
|
|
|
public const RESAMPLE = 'RESAMPLE'; |
63
|
|
|
|
64
|
|
|
/** @var int|null */ |
65
|
|
|
protected $maxWidth = null; |
66
|
|
|
|
67
|
|
|
/** @var int|null */ |
68
|
|
|
protected $maxHeight = null; |
69
|
|
|
|
70
|
|
|
/** @var int|null */ |
71
|
|
|
protected $downloadTimeout = null; |
72
|
|
|
|
73
|
|
|
/** @var int|null */ |
74
|
|
|
protected $downloadMaxSize = null; |
75
|
|
|
|
76
|
|
|
/** @var bool|null */ |
77
|
|
|
protected $debug = null; |
78
|
|
|
|
79
|
|
|
/** @var bool|null */ |
80
|
|
|
protected $verbose = null; |
81
|
|
|
|
82
|
|
|
/** @var bool|null */ |
83
|
|
|
protected $nocache = null; |
84
|
|
|
|
85
|
|
|
/** @var bool|null */ |
86
|
|
|
protected $crop = null; |
87
|
|
|
|
88
|
|
|
/** @var string|null */ |
89
|
|
|
protected $downloadMode = null; |
90
|
|
|
|
91
|
|
|
/** @var string|null */ |
92
|
|
|
protected $resizeMode = null; |
93
|
|
|
|
94
|
|
|
/** |
95
|
|
|
* Get the thumbnail for the given URL> |
96
|
|
|
* |
97
|
|
|
* @param string $url User URL. |
98
|
|
|
* @param mixed[] $options Options array. See the documentation for more infos. |
99
|
|
|
* |
100
|
|
|
* @return string|false Thumbnail URL, false if not found. |
101
|
|
|
* |
102
|
|
|
* @throws WebThumbnailerException Only throw exception in debug mode. |
103
|
|
|
*/ |
104
|
|
|
public function thumbnail(string $url, array $options = []) |
105
|
|
|
{ |
106
|
|
|
$url = trim($url); |
107
|
|
|
if (empty($url)) { |
108
|
|
|
return false; |
109
|
|
|
} |
110
|
|
|
|
111
|
|
|
$options = array_merge( |
112
|
|
|
[ |
113
|
|
|
static::DEBUG => $this->debug, |
114
|
|
|
static::VERBOSE => $this->verbose, |
115
|
|
|
static::NOCACHE => $this->nocache, |
116
|
|
|
static::MAX_WIDTH => $this->maxWidth, |
117
|
|
|
static::MAX_HEIGHT => $this->maxHeight, |
118
|
|
|
static::DOWNLOAD_TIMEOUT => $this->downloadTimeout, |
119
|
|
|
static::DOWNLOAD_MAX_SIZE => $this->downloadMaxSize, |
120
|
|
|
static::CROP => $this->crop, |
121
|
|
|
static::RESIZE_MODE => $this->resizeMode, |
122
|
|
|
$this->downloadMode |
123
|
|
|
], |
124
|
|
|
$options |
125
|
|
|
); |
126
|
|
|
|
127
|
|
|
try { |
128
|
|
|
$downloader = new Thumbnailer($url, $options, $_SERVER); |
129
|
|
|
return $downloader->getThumbnail(); |
130
|
|
|
} catch (MissingRequirementException $e) { |
131
|
|
|
throw $e; |
132
|
|
|
} catch (WebThumbnailerException $e) { |
133
|
|
|
if (isset($options[static::VERBOSE]) && $options[static::VERBOSE] === true) { |
134
|
|
|
error_log($e->getMessage()); |
135
|
|
|
} |
136
|
|
|
|
137
|
|
|
if (isset($options[static::DEBUG]) && $options[static::DEBUG] === true) { |
138
|
|
|
throw $e; |
139
|
|
|
} |
140
|
|
|
|
141
|
|
|
return false; |
142
|
|
|
} |
143
|
|
|
} |
144
|
|
|
|
145
|
|
|
/** |
146
|
|
|
* @param int|string $maxWidth Either number of pixels or SIZE_SMALL|SIZE_MEDIUM|SIZE_LARGE. |
147
|
|
|
* |
148
|
|
|
* @return WebThumbnailer self instance. |
149
|
|
|
*/ |
150
|
|
|
public function maxWidth($maxWidth): self |
151
|
|
|
{ |
152
|
|
|
$this->maxWidth = (int) $maxWidth; |
153
|
|
|
|
154
|
|
|
return $this; |
155
|
|
|
} |
156
|
|
|
|
157
|
|
|
/** |
158
|
|
|
* @param int|string $maxHeight Either number of pixels or SIZE_SMALL|SIZE_MEDIUM|SIZE_LARGE. |
159
|
|
|
* |
160
|
|
|
* @return WebThumbnailer self instance. |
161
|
|
|
*/ |
162
|
|
|
public function maxHeight($maxHeight): self |
163
|
|
|
{ |
164
|
|
|
$this->maxHeight = (int) $maxHeight; |
165
|
|
|
|
166
|
|
|
return $this; |
167
|
|
|
} |
168
|
|
|
|
169
|
|
|
/** |
170
|
|
|
* @param bool $debug |
171
|
|
|
* |
172
|
|
|
* @return WebThumbnailer self instance. |
173
|
|
|
*/ |
174
|
|
|
public function debug(bool $debug): self |
175
|
|
|
{ |
176
|
|
|
$this->debug = $debug; |
177
|
|
|
|
178
|
|
|
return $this; |
179
|
|
|
} |
180
|
|
|
|
181
|
|
|
/** |
182
|
|
|
* @param bool $verbose |
183
|
|
|
* |
184
|
|
|
* @return WebThumbnailer self instance. |
185
|
|
|
*/ |
186
|
|
|
public function verbose(bool $verbose): self |
187
|
|
|
{ |
188
|
|
|
$this->verbose = $verbose; |
189
|
|
|
return $this; |
190
|
|
|
} |
191
|
|
|
|
192
|
|
|
/** |
193
|
|
|
* @param bool $nocache |
194
|
|
|
* |
195
|
|
|
* @return WebThumbnailer self instance. |
196
|
|
|
*/ |
197
|
|
|
public function noCache(bool $nocache): self |
198
|
|
|
{ |
199
|
|
|
$this->nocache = $nocache; |
200
|
|
|
|
201
|
|
|
return $this; |
202
|
|
|
} |
203
|
|
|
|
204
|
|
|
/** |
205
|
|
|
* @param bool $crop |
206
|
|
|
* |
207
|
|
|
* @return WebThumbnailer $this |
208
|
|
|
*/ |
209
|
|
|
public function crop(bool $crop): self |
210
|
|
|
{ |
211
|
|
|
$this->crop = $crop; |
212
|
|
|
|
213
|
|
|
return $this; |
214
|
|
|
} |
215
|
|
|
|
216
|
|
|
/** |
217
|
|
|
* @param int $downloadTimeout in seconds |
218
|
|
|
* |
219
|
|
|
* @return WebThumbnailer $this |
220
|
|
|
*/ |
221
|
|
|
public function downloadTimeout(int $downloadTimeout): self |
222
|
|
|
{ |
223
|
|
|
$this->downloadTimeout = $downloadTimeout; |
224
|
|
|
|
225
|
|
|
return $this; |
226
|
|
|
} |
227
|
|
|
|
228
|
|
|
/** |
229
|
|
|
* @param int $downloadMaxSize in bytes |
230
|
|
|
* |
231
|
|
|
* @return WebThumbnailer $this |
232
|
|
|
*/ |
233
|
|
|
public function downloadMaxSize(int $downloadMaxSize): self |
234
|
|
|
{ |
235
|
|
|
$this->downloadMaxSize = $downloadMaxSize; |
236
|
|
|
|
237
|
|
|
return $this; |
238
|
|
|
} |
239
|
|
|
|
240
|
|
|
/** |
241
|
|
|
* Enable download mode |
242
|
|
|
* It will download thumbnail, resize it and save it in the cache folder. |
243
|
|
|
* |
244
|
|
|
* @return WebThumbnailer $this |
245
|
|
|
*/ |
246
|
|
|
public function modeDownload(): self |
247
|
|
|
{ |
248
|
|
|
$this->downloadMode = static::DOWNLOAD; |
249
|
|
|
|
250
|
|
|
return $this; |
251
|
|
|
} |
252
|
|
|
|
253
|
|
|
/** |
254
|
|
|
* Enable hotlink mode |
255
|
|
|
* It will use image hotlinking if the domain authorize it, download it otherwise. |
256
|
|
|
* |
257
|
|
|
* @return WebThumbnailer $this |
258
|
|
|
*/ |
259
|
|
|
public function modeHotlink(): self |
260
|
|
|
{ |
261
|
|
|
$this->downloadMode = static::HOTLINK; |
262
|
|
|
|
263
|
|
|
return $this; |
264
|
|
|
} |
265
|
|
|
|
266
|
|
|
/** |
267
|
|
|
* Enable strict hotlink mode |
268
|
|
|
* It will use image hotlinking if the domain authorize it, fail otherwise. |
269
|
|
|
* |
270
|
|
|
* @return WebThumbnailer $this |
271
|
|
|
*/ |
272
|
|
|
public function modeHotlinkStrict(): self |
273
|
|
|
{ |
274
|
|
|
$this->downloadMode = static::HOTLINK_STRICT; |
275
|
|
|
|
276
|
|
|
return $this; |
277
|
|
|
} |
278
|
|
|
|
279
|
|
|
/** |
280
|
|
|
* Apply resize mode during resizing: |
281
|
|
|
* lower CPU usage but sometimes rougher rendering. |
282
|
|
|
* |
283
|
|
|
* @return WebThumbnailer $this |
284
|
|
|
*/ |
285
|
|
|
public function resize(): self |
286
|
|
|
{ |
287
|
|
|
$this->resizeMode = static::RESIZE; |
288
|
|
|
|
289
|
|
|
return $this; |
290
|
|
|
} |
291
|
|
|
|
292
|
|
|
/** |
293
|
|
|
* Apply resample mode during resizing: |
294
|
|
|
* slightly more CPU usage but smoother rendering. |
295
|
|
|
* |
296
|
|
|
* @return WebThumbnailer $this |
297
|
|
|
*/ |
298
|
|
|
public function resample(): self |
299
|
|
|
{ |
300
|
|
|
$this->resizeMode = static::RESAMPLE; |
301
|
|
|
|
302
|
|
|
return $this; |
303
|
|
|
} |
304
|
|
|
} |
305
|
|
|
|