|
1
|
|
|
<?php namespace Arcanedev\Gravatar; |
|
2
|
|
|
|
|
3
|
|
|
use Arcanedev\Gravatar\Helpers\HtmlBuilder; |
|
4
|
|
|
use Arcanedev\Gravatar\Helpers\NumberChecker; |
|
5
|
|
|
|
|
6
|
|
|
/** |
|
7
|
|
|
* Class Gravatar |
|
8
|
|
|
* |
|
9
|
|
|
* @package Arcanedev\Gravatar |
|
10
|
|
|
* @author ARCANEDEV <[email protected]> |
|
11
|
|
|
*/ |
|
12
|
|
|
class Gravatar implements Contracts\Gravatar |
|
13
|
|
|
{ |
|
14
|
|
|
/* ----------------------------------------------------------------- |
|
15
|
|
|
| Constants |
|
16
|
|
|
| ----------------------------------------------------------------- |
|
17
|
|
|
*/ |
|
18
|
|
|
|
|
19
|
|
|
const BASE_URL = 'http://www.gravatar.com/avatar/'; |
|
20
|
|
|
const SECURE_URL = 'https://secure.gravatar.com/avatar/'; |
|
21
|
|
|
|
|
22
|
|
|
/* ----------------------------------------------------------------- |
|
23
|
|
|
| Properties |
|
24
|
|
|
| ----------------------------------------------------------------- |
|
25
|
|
|
*/ |
|
26
|
|
|
|
|
27
|
|
|
/** |
|
28
|
|
|
* The default image to use (gravatar-recognized type, url or false = default gravatar image) |
|
29
|
|
|
* |
|
30
|
|
|
* @var mixed |
|
31
|
|
|
*/ |
|
32
|
|
|
protected $defaultImage = false; |
|
33
|
|
|
|
|
34
|
|
|
/** |
|
35
|
|
|
* The maximum rating to allow for the avatar. |
|
36
|
|
|
* |
|
37
|
|
|
* @var string |
|
38
|
|
|
*/ |
|
39
|
|
|
protected $rating = 'g'; |
|
40
|
|
|
|
|
41
|
|
|
/** |
|
42
|
|
|
* The avatar size. |
|
43
|
|
|
* |
|
44
|
|
|
* @var int |
|
45
|
|
|
*/ |
|
46
|
|
|
protected $size = 80; |
|
47
|
|
|
|
|
48
|
|
|
/** |
|
49
|
|
|
* Should we use the secure (HTTPS) URL base ? |
|
50
|
|
|
* |
|
51
|
|
|
* @var bool |
|
52
|
|
|
*/ |
|
53
|
|
|
protected $secure = false; |
|
54
|
|
|
|
|
55
|
|
|
/** |
|
56
|
|
|
* A temporary internal cache of the URL parameters. |
|
57
|
|
|
* |
|
58
|
|
|
* @var array|null |
|
59
|
|
|
*/ |
|
60
|
|
|
protected $cachedParams = null; |
|
61
|
|
|
|
|
62
|
|
|
/** |
|
63
|
|
|
* Supported image defaults. |
|
64
|
|
|
* |
|
65
|
|
|
* @var array |
|
66
|
|
|
*/ |
|
67
|
|
|
private $supportedImages = [ |
|
68
|
|
|
'404', // Do not load any image if none is associated with the email hash, |
|
69
|
|
|
// instead return an HTTP 404 response |
|
70
|
|
|
'mm', // (mystery-man) a simple, cartoon-style silhouetted outline of a person. |
|
71
|
|
|
'identicon', // a geometric pattern based on an email hash |
|
72
|
|
|
'monsterid', // a generated 'monster' with different colors, faces, etc |
|
73
|
|
|
'wavatar', // generated faces with differing features and backgrounds |
|
74
|
|
|
'retro', // awesome generated, 8-bit arcade-style pixelated faces |
|
75
|
|
|
// 'blank', |
|
76
|
|
|
]; |
|
77
|
|
|
|
|
78
|
|
|
/** |
|
79
|
|
|
* Supported image ratings. |
|
80
|
|
|
* |
|
81
|
|
|
* @var array |
|
82
|
|
|
*/ |
|
83
|
|
|
private $supportedRatings = [ |
|
84
|
|
|
'g', // suitable for display on all websites with any audience type. |
|
85
|
|
|
'pg', // may contain rude gestures, provocatively dressed individuals, the lesser swear words, or mild violence. |
|
86
|
|
|
'r', // may contain such things as harsh profanity, intense violence, nudity, or hard drug use. |
|
87
|
|
|
'x' // may contain hardcore sexual imagery or extremely disturbing violence. |
|
88
|
|
|
]; |
|
89
|
|
|
|
|
90
|
|
|
/* ----------------------------------------------------------------- |
|
91
|
|
|
| Constructor |
|
92
|
|
|
| ----------------------------------------------------------------- |
|
93
|
|
|
*/ |
|
94
|
|
|
|
|
95
|
|
|
/** |
|
96
|
|
|
* Make a gravatar instance. |
|
97
|
|
|
* |
|
98
|
|
|
* @param string $default |
|
99
|
|
|
* @param int $size |
|
100
|
|
|
* @param string $rating |
|
101
|
|
|
*/ |
|
102
|
32 |
|
public function __construct($default = 'mm', $size = 80, $rating = 'g') |
|
103
|
|
|
{ |
|
104
|
32 |
|
$this->setDefaultImage($default); |
|
105
|
32 |
|
$this->setSize($size); |
|
106
|
32 |
|
$this->setRating($rating); |
|
107
|
32 |
|
$this->enableSecure(); |
|
108
|
32 |
|
} |
|
109
|
|
|
|
|
110
|
|
|
/* ----------------------------------------------------------------- |
|
111
|
|
|
| Getters & Setters |
|
112
|
|
|
| ----------------------------------------------------------------- |
|
113
|
|
|
*/ |
|
114
|
|
|
|
|
115
|
|
|
/** |
|
116
|
|
|
* Get the current default image setting. |
|
117
|
|
|
* |
|
118
|
|
|
* @return string|false |
|
119
|
|
|
*/ |
|
120
|
16 |
|
public function getDefaultImage() |
|
121
|
|
|
{ |
|
122
|
16 |
|
return $this->defaultImage; |
|
123
|
|
|
} |
|
124
|
|
|
|
|
125
|
|
|
/** |
|
126
|
|
|
* Set the default image to use for avatars. |
|
127
|
|
|
* |
|
128
|
|
|
* @param string|false $image |
|
129
|
|
|
* |
|
130
|
|
|
* @return \Arcanedev\Gravatar\Gravatar |
|
131
|
|
|
* |
|
132
|
|
|
* @throws \Arcanedev\Gravatar\Exceptions\InvalidImageUrlException |
|
133
|
|
|
*/ |
|
134
|
32 |
|
public function setDefaultImage($image) |
|
135
|
|
|
{ |
|
136
|
32 |
|
if ($image !== false) { |
|
137
|
32 |
|
$this->cachedParams = null; |
|
138
|
|
|
|
|
139
|
32 |
|
$image = in_array(strtolower($image), $this->supportedImages) |
|
140
|
32 |
|
? strtolower($image) |
|
141
|
32 |
|
: $this->checkImageUrl($image); |
|
142
|
|
|
} |
|
143
|
|
|
|
|
144
|
32 |
|
$this->defaultImage = $image; |
|
145
|
|
|
|
|
146
|
32 |
|
return $this; |
|
147
|
|
|
} |
|
148
|
|
|
|
|
149
|
|
|
/** |
|
150
|
|
|
* Get the currently set avatar size. |
|
151
|
|
|
* |
|
152
|
|
|
* @return int |
|
153
|
|
|
*/ |
|
154
|
20 |
|
public function getSize() |
|
155
|
|
|
{ |
|
156
|
20 |
|
return $this->size; |
|
157
|
|
|
} |
|
158
|
|
|
|
|
159
|
|
|
/** |
|
160
|
|
|
* Set the avatar size to use. |
|
161
|
|
|
* |
|
162
|
|
|
* @param integer $size - The avatar size to use, must be less than 512 and greater than 0. |
|
163
|
|
|
* |
|
164
|
|
|
* @return \Arcanedev\Gravatar\Gravatar |
|
165
|
|
|
* |
|
166
|
|
|
* @throws \Arcanedev\Gravatar\Exceptions\InvalidImageSizeException |
|
167
|
|
|
*/ |
|
168
|
32 |
|
public function setSize($size) |
|
169
|
|
|
{ |
|
170
|
32 |
|
$this->cachedParams = null; |
|
171
|
|
|
|
|
172
|
32 |
|
$this->checkSize($size); |
|
173
|
|
|
|
|
174
|
32 |
|
$this->size = $size; |
|
175
|
|
|
|
|
176
|
32 |
|
return $this; |
|
177
|
|
|
} |
|
178
|
|
|
|
|
179
|
|
|
/** |
|
180
|
|
|
* Get the current maximum allowed rating for avatars. |
|
181
|
|
|
* |
|
182
|
|
|
* @return string |
|
183
|
|
|
*/ |
|
184
|
18 |
|
public function getRating() |
|
185
|
|
|
{ |
|
186
|
18 |
|
return $this->rating; |
|
187
|
|
|
} |
|
188
|
|
|
|
|
189
|
|
|
/** |
|
190
|
|
|
* Set the maximum allowed rating for avatars. |
|
191
|
|
|
* |
|
192
|
|
|
* @param string $rating |
|
193
|
|
|
* |
|
194
|
|
|
* @return \Arcanedev\Gravatar\Gravatar |
|
195
|
|
|
* |
|
196
|
|
|
* @throws \Arcanedev\Gravatar\Exceptions\InvalidImageRatingException |
|
197
|
|
|
*/ |
|
198
|
32 |
|
public function setRating($rating) |
|
199
|
|
|
{ |
|
200
|
32 |
|
$this->cachedParams = null; |
|
201
|
|
|
|
|
202
|
32 |
|
$rating = strtolower($rating); |
|
203
|
|
|
|
|
204
|
32 |
|
if ( ! in_array($rating, $this->supportedRatings)) { |
|
205
|
2 |
|
throw new Exceptions\InvalidImageRatingException( |
|
206
|
2 |
|
"Invalid rating '$rating' specified, only 'g', 'pg', 'r' or 'x' are supported." |
|
207
|
|
|
); |
|
208
|
|
|
} |
|
209
|
|
|
|
|
210
|
32 |
|
$this->rating = $rating; |
|
211
|
|
|
|
|
212
|
32 |
|
return $this; |
|
213
|
|
|
} |
|
214
|
|
|
|
|
215
|
|
|
/** |
|
216
|
|
|
* Check if we are using the secure protocol for the image URLs. |
|
217
|
|
|
* |
|
218
|
|
|
* @return bool |
|
219
|
|
|
*/ |
|
220
|
20 |
|
public function isSecured() |
|
221
|
|
|
{ |
|
222
|
20 |
|
return $this->secure; |
|
223
|
|
|
} |
|
224
|
|
|
|
|
225
|
|
|
/* ----------------------------------------------------------------- |
|
226
|
|
|
| Main Methods |
|
227
|
|
|
| ----------------------------------------------------------------- |
|
228
|
|
|
*/ |
|
229
|
|
|
|
|
230
|
|
|
/** |
|
231
|
|
|
* Get Gravatar image source. |
|
232
|
|
|
* |
|
233
|
|
|
* @param string $email |
|
234
|
|
|
* @param int|null $size |
|
235
|
|
|
* @param string|null $rating |
|
236
|
|
|
* |
|
237
|
|
|
* @return string |
|
238
|
|
|
*/ |
|
239
|
6 |
|
public function src($email, $size = null, $rating = null) |
|
240
|
|
|
{ |
|
241
|
6 |
|
if (is_null($size)) { |
|
242
|
2 |
|
$size = $this->getSize(); |
|
243
|
|
|
} |
|
244
|
|
|
|
|
245
|
6 |
|
$size = max(1, min(512, $size)); |
|
246
|
|
|
|
|
247
|
6 |
|
$this->setSize($size); |
|
248
|
|
|
|
|
249
|
6 |
|
if ( ! is_null($rating)) { |
|
250
|
2 |
|
$this->setRating($rating); |
|
251
|
|
|
} |
|
252
|
|
|
|
|
253
|
6 |
|
return $this->get($email); |
|
254
|
|
|
} |
|
255
|
|
|
|
|
256
|
|
|
/** |
|
257
|
|
|
* Get the avatar URL based on the provided email address. |
|
258
|
|
|
* |
|
259
|
|
|
* @param string $email |
|
260
|
|
|
* @param bool $hash |
|
261
|
|
|
* |
|
262
|
|
|
* @return string |
|
263
|
|
|
*/ |
|
264
|
16 |
|
public function get($email, $hash = true) |
|
265
|
|
|
{ |
|
266
|
16 |
|
$url = $this->isSecured() ? static::SECURE_URL : static::BASE_URL; |
|
267
|
16 |
|
$url .= empty($email) |
|
268
|
8 |
|
? str_repeat('0', 32) |
|
269
|
16 |
|
: ($hash ? $this->hashEmail($email) : $email); |
|
270
|
|
|
|
|
271
|
16 |
|
$params = $this->getParams($email); |
|
272
|
|
|
|
|
273
|
16 |
|
return $url . '?' . http_build_query($params); |
|
274
|
|
|
} |
|
275
|
|
|
|
|
276
|
|
|
/** |
|
277
|
|
|
* Get Gravatar image tag. |
|
278
|
|
|
* |
|
279
|
|
|
* @param string $email |
|
280
|
|
|
* @param string|null $alt |
|
281
|
|
|
* @param array $attributes |
|
282
|
|
|
* @param string|null $rating |
|
283
|
|
|
* |
|
284
|
|
|
* @return string |
|
285
|
|
|
*/ |
|
286
|
4 |
|
public function image($email, $alt = null, array $attributes = [], $rating = null) |
|
287
|
|
|
{ |
|
288
|
4 |
|
$dimensions = array_values( |
|
289
|
4 |
|
array_only($attributes, ['width', 'height']) |
|
290
|
|
|
); |
|
291
|
|
|
|
|
292
|
4 |
|
$size = count($dimensions) |
|
293
|
2 |
|
? min(512, max($dimensions)) |
|
294
|
4 |
|
: $this->getSize(); |
|
295
|
|
|
|
|
296
|
4 |
|
$src = $this->src($email, $size, $rating); |
|
297
|
|
|
|
|
298
|
4 |
|
return HtmlBuilder::image($src, $alt, $attributes); |
|
299
|
|
|
} |
|
300
|
|
|
|
|
301
|
|
|
/** |
|
302
|
|
|
* Enable the use of the secure protocol for image URLs. |
|
303
|
|
|
* |
|
304
|
|
|
* @return \Arcanedev\Gravatar\Gravatar |
|
305
|
|
|
*/ |
|
306
|
32 |
|
public function enableSecure() |
|
307
|
|
|
{ |
|
308
|
32 |
|
$this->secure = true; |
|
309
|
|
|
|
|
310
|
32 |
|
return $this; |
|
311
|
|
|
} |
|
312
|
|
|
|
|
313
|
|
|
/** |
|
314
|
|
|
* Disable the use of the secure protocol for image URLs. |
|
315
|
|
|
* |
|
316
|
|
|
* @return \Arcanedev\Gravatar\Gravatar |
|
317
|
|
|
*/ |
|
318
|
2 |
|
public function disableSecure() |
|
319
|
|
|
{ |
|
320
|
2 |
|
$this->secure = false; |
|
321
|
|
|
|
|
322
|
2 |
|
return $this; |
|
323
|
|
|
} |
|
324
|
|
|
|
|
325
|
|
|
/** |
|
326
|
|
|
* Check if email has a gravatar. |
|
327
|
|
|
* |
|
328
|
|
|
* @param string $email |
|
329
|
|
|
* |
|
330
|
|
|
* @return bool |
|
331
|
|
|
*/ |
|
332
|
2 |
|
public function exists($email) |
|
333
|
|
|
{ |
|
334
|
2 |
|
$this->setDefaultImage('404'); |
|
335
|
|
|
|
|
336
|
2 |
|
$headers = get_headers($this->get($email), 1); |
|
337
|
|
|
|
|
338
|
2 |
|
return strpos($headers[0], '200') ? true : false; |
|
339
|
|
|
} |
|
340
|
|
|
|
|
341
|
|
|
/** |
|
342
|
|
|
* Get a hashed email. |
|
343
|
|
|
* |
|
344
|
|
|
* @param string $email |
|
345
|
|
|
* |
|
346
|
|
|
* @return string |
|
347
|
|
|
*/ |
|
348
|
12 |
|
public function hashEmail($email) |
|
349
|
|
|
{ |
|
350
|
12 |
|
return hash('md5', strtolower(trim($email))); |
|
351
|
|
|
} |
|
352
|
|
|
|
|
353
|
|
|
/* ----------------------------------------------------------------- |
|
354
|
|
|
| Check Methods |
|
355
|
|
|
| ----------------------------------------------------------------- |
|
356
|
|
|
*/ |
|
357
|
|
|
|
|
358
|
|
|
/** |
|
359
|
|
|
* Check image url. |
|
360
|
|
|
* |
|
361
|
|
|
* @param string $image |
|
362
|
|
|
* |
|
363
|
|
|
* @return string |
|
364
|
|
|
* |
|
365
|
|
|
* @throws \Arcanedev\Gravatar\Exceptions\InvalidImageUrlException |
|
366
|
|
|
*/ |
|
367
|
4 |
|
private function checkImageUrl($image) |
|
368
|
|
|
{ |
|
369
|
4 |
|
if ( ! filter_var($image, FILTER_VALIDATE_URL)) { |
|
370
|
2 |
|
throw new Exceptions\InvalidImageUrlException( |
|
371
|
2 |
|
'The default image specified is not a recognized gravatar "default" and is not a valid URL' |
|
372
|
|
|
); |
|
373
|
|
|
} |
|
374
|
|
|
|
|
375
|
2 |
|
return $image; |
|
376
|
|
|
} |
|
377
|
|
|
|
|
378
|
|
|
/* ----------------------------------------------------------------- |
|
379
|
|
|
| Other Methods |
|
380
|
|
|
| ----------------------------------------------------------------- |
|
381
|
|
|
*/ |
|
382
|
|
|
|
|
383
|
|
|
/** |
|
384
|
|
|
* Get params. |
|
385
|
|
|
* |
|
386
|
|
|
* @param string $email |
|
387
|
|
|
* |
|
388
|
|
|
* @return array |
|
389
|
|
|
*/ |
|
390
|
16 |
|
private function getParams($email) |
|
391
|
|
|
{ |
|
392
|
16 |
|
$params = $this->cachedParams; |
|
393
|
|
|
|
|
394
|
16 |
|
if (is_null($this->cachedParams)) { |
|
395
|
16 |
|
$params['s'] = $this->getSize(); |
|
396
|
16 |
|
$params['r'] = $this->getRating(); |
|
397
|
|
|
|
|
398
|
16 |
|
if ($this->getDefaultImage() !== false) { |
|
399
|
14 |
|
$params['d'] = $this->getDefaultImage(); |
|
400
|
|
|
} |
|
401
|
|
|
|
|
402
|
16 |
|
$this->cachedParams = $params; |
|
403
|
|
|
} |
|
404
|
|
|
|
|
405
|
16 |
|
if (empty($email)) { |
|
406
|
8 |
|
$params['f'] = 'y'; |
|
407
|
|
|
} |
|
408
|
|
|
|
|
409
|
16 |
|
return (array) $params; |
|
410
|
|
|
} |
|
411
|
|
|
|
|
412
|
|
|
/** |
|
413
|
|
|
* Check the image size. |
|
414
|
|
|
* |
|
415
|
|
|
* @param int $size |
|
416
|
|
|
*/ |
|
417
|
32 |
|
private function checkSize(&$size) |
|
418
|
|
|
{ |
|
419
|
32 |
|
if ( ! NumberChecker::isIntValue($size)) { |
|
420
|
2 |
|
throw new Exceptions\InvalidImageSizeException( |
|
421
|
2 |
|
'Avatar size specified must be an integer.' |
|
422
|
|
|
); |
|
423
|
|
|
} |
|
424
|
|
|
|
|
425
|
32 |
|
$size = (int) $size; |
|
426
|
|
|
|
|
427
|
32 |
|
if ( ! NumberChecker::isIntBetween($size, 0, 512)) { |
|
428
|
2 |
|
throw new Exceptions\InvalidImageSizeException( |
|
429
|
2 |
|
'Avatar size must be within 0 pixels and 512 pixels.' |
|
430
|
|
|
); |
|
431
|
|
|
} |
|
432
|
32 |
|
} |
|
433
|
|
|
} |
|
434
|
|
|
|