1
|
|
|
<?php |
2
|
|
|
namespace Cohensive\OEmbed; |
3
|
|
|
|
4
|
|
|
use Cohensive\OEmbed\Exceptions\HtmlParsingException; |
5
|
|
|
use DOMDocument; |
6
|
|
|
|
7
|
|
|
class Embed |
8
|
|
|
{ |
9
|
|
|
const TYPE_OEMBED = 0; |
10
|
|
|
|
11
|
|
|
const TYPE_REGEX = 1; |
12
|
|
|
|
13
|
|
|
/** |
14
|
|
|
* Type of an Embed object source data - OEmbed or Regex-based. |
15
|
|
|
*/ |
16
|
|
|
protected int $type; |
17
|
|
|
|
18
|
|
|
/** |
19
|
|
|
* Array of global options applied to embed objects. |
20
|
|
|
*/ |
21
|
|
|
protected array $options; |
22
|
|
|
|
23
|
|
|
/** |
24
|
|
|
* Original media URL. |
25
|
|
|
*/ |
26
|
|
|
protected string $url; |
27
|
|
|
|
28
|
|
|
/** |
29
|
|
|
* Embed data extracted via OEmbed or Regex extractors. |
30
|
|
|
*/ |
31
|
|
|
protected array $data; |
32
|
|
|
|
33
|
|
|
/** |
34
|
|
|
* Class containing Embed HTML code. |
35
|
|
|
*/ |
36
|
|
|
protected HtmlBuilder $html; |
37
|
|
|
|
38
|
|
|
/** |
39
|
|
|
* Thumbnail data if available. |
40
|
|
|
*/ |
41
|
|
|
protected ?array $thumbnail; |
42
|
|
|
|
43
|
|
|
/** |
44
|
|
|
* Creates Embed instance. |
45
|
|
|
*/ |
46
|
|
|
public function __construct( |
47
|
|
|
string $type, |
48
|
|
|
string $url, |
49
|
|
|
array $data, |
50
|
|
|
array $options = [], |
51
|
|
|
bool $amp = false |
52
|
|
|
) { |
53
|
|
|
$this->type = $type; |
54
|
|
|
$this->url = $url; |
55
|
|
|
$this->data = $data; |
56
|
|
|
$this->options = $options; |
57
|
|
|
$this->amp = $amp; |
|
|
|
|
58
|
|
|
|
59
|
|
|
$this->initData($data); |
60
|
|
|
} |
61
|
|
|
|
62
|
|
|
/** |
63
|
|
|
* Initializer for the Embed object filling thumbnail, html and type based |
64
|
|
|
* on a given media provider data. |
65
|
|
|
*/ |
66
|
|
|
public function initData(array $data): self |
67
|
|
|
{ |
68
|
|
|
if (isset($data['thumbnail_url'])) { |
69
|
|
|
$this->thumbnail = [ |
70
|
|
|
'url' => $data['thumbnail_url'], |
71
|
|
|
'width' => $data['thumbnail_width'] ?? null, |
72
|
|
|
'height' => $data['thumbnail_height'] ?? null, |
73
|
|
|
]; |
74
|
|
|
} |
75
|
|
|
|
76
|
|
|
if ($this->type == self::TYPE_OEMBED) { |
77
|
|
|
$this->html = $this->extractOEmbedHtml($data['html']); |
78
|
|
|
} else { |
79
|
|
|
$this->html = $this->extractRegexHtml($data['html']); |
80
|
|
|
} |
81
|
|
|
|
82
|
|
|
return $this; |
83
|
|
|
} |
84
|
|
|
|
85
|
|
|
/** |
86
|
|
|
* Returns mbed options. |
87
|
|
|
*/ |
88
|
|
|
public function getOptions(): array |
89
|
|
|
{ |
90
|
|
|
return $this->options; |
91
|
|
|
} |
92
|
|
|
|
93
|
|
|
/** |
94
|
|
|
* Sets new embed options. See config file 'options' key. |
95
|
|
|
*/ |
96
|
|
|
public function setOptions(array $options): self |
97
|
|
|
{ |
98
|
|
|
$this->options = $options; |
99
|
|
|
return $this; |
100
|
|
|
} |
101
|
|
|
|
102
|
|
|
/** |
103
|
|
|
* Sets AMP mode. |
104
|
|
|
*/ |
105
|
|
|
public function setAmp(bool $amp): self |
106
|
|
|
{ |
107
|
|
|
$this->amp = $amp; |
|
|
|
|
108
|
|
|
return $this; |
109
|
|
|
} |
110
|
|
|
|
111
|
|
|
/** |
112
|
|
|
* Returns current HtmlBuilder instance. |
113
|
|
|
*/ |
114
|
|
|
public function htmlBuilder(): HtmlBuilder |
115
|
|
|
{ |
116
|
|
|
return $this->html; |
117
|
|
|
} |
118
|
|
|
|
119
|
|
|
/** |
120
|
|
|
* Returns string with HTML to embed in application. Will return AMP-friendly |
121
|
|
|
* HTML if global amp mode is enabled and not overwitten. |
122
|
|
|
*/ |
123
|
|
|
public function html(array $options = null, ?bool $amp = null): string |
124
|
|
|
{ |
125
|
|
|
if (is_null($options)) { |
126
|
|
|
$options = $this->options; |
127
|
|
|
} else { |
128
|
|
|
$options = array_merge($this->options, $options); |
129
|
|
|
} |
130
|
|
|
|
131
|
|
|
if (is_null($amp)) { |
132
|
|
|
$amp = $this->amp; |
133
|
|
|
} |
134
|
|
|
|
135
|
|
|
return $this->html->html($options, $amp); |
136
|
|
|
} |
137
|
|
|
|
138
|
|
|
/** |
139
|
|
|
* Returns string with AMP-friendly HTML to embed in an application. |
140
|
|
|
*/ |
141
|
|
|
public function ampHtml(array $options = null): string |
142
|
|
|
{ |
143
|
|
|
return $this->html($options, true); |
144
|
|
|
} |
145
|
|
|
|
146
|
|
|
/** |
147
|
|
|
* Return script source if available in embed html. |
148
|
|
|
*/ |
149
|
|
|
public function script(): ?string |
150
|
|
|
{ |
151
|
|
|
return $this->html->script(); |
152
|
|
|
} |
153
|
|
|
|
154
|
|
|
/** |
155
|
|
|
* Returns embed provider type. |
156
|
|
|
*/ |
157
|
|
|
public function type(): int |
158
|
|
|
{ |
159
|
|
|
return $this->type; |
160
|
|
|
} |
161
|
|
|
|
162
|
|
|
/** |
163
|
|
|
* Returns embed html type. |
164
|
|
|
*/ |
165
|
|
|
public function htmlType(): string |
166
|
|
|
{ |
167
|
|
|
return $this->html->type(); |
168
|
|
|
} |
169
|
|
|
|
170
|
|
|
/** |
171
|
|
|
* Returns media provider data. |
172
|
|
|
*/ |
173
|
|
|
public function url(): string |
174
|
|
|
{ |
175
|
|
|
return $this->url; |
176
|
|
|
} |
177
|
|
|
|
178
|
|
|
/** |
179
|
|
|
* Returns media provider data. |
180
|
|
|
*/ |
181
|
|
|
public function data(): array |
182
|
|
|
{ |
183
|
|
|
return $this->data; |
184
|
|
|
} |
185
|
|
|
|
186
|
|
|
/** |
187
|
|
|
* Returns width of the embed. 0 if not set. |
188
|
|
|
*/ |
189
|
|
|
public function width(): int |
190
|
|
|
{ |
191
|
|
|
return $this->data['width'] ?? 0; |
192
|
|
|
} |
193
|
|
|
|
194
|
|
|
/** |
195
|
|
|
* Returns height of the embed. 0 if not set. |
196
|
|
|
*/ |
197
|
|
|
public function height(): int |
198
|
|
|
{ |
199
|
|
|
return $this->data['height'] ?? 0; |
200
|
|
|
} |
201
|
|
|
|
202
|
|
|
/** |
203
|
|
|
* Returns width/height ratio of the embed. 0 if dimensions are not set. |
204
|
|
|
*/ |
205
|
|
|
public function ratio(): float |
206
|
|
|
{ |
207
|
|
|
if (isset($this->data['width']) && isset($this->data['height'])) { |
208
|
|
|
return $this->data['width'] / $this->data['height']; |
209
|
|
|
} |
210
|
|
|
|
211
|
|
|
return 0; |
212
|
|
|
} |
213
|
|
|
|
214
|
|
|
/** |
215
|
|
|
* Returns string describing media type. According to OEmbed spec it could be: |
216
|
|
|
* one of these: photo, video, link, rich |
217
|
|
|
*/ |
218
|
|
|
public function mediaType(): string |
219
|
|
|
{ |
220
|
|
|
return $this->data['type']; |
221
|
|
|
} |
222
|
|
|
|
223
|
|
|
/** |
224
|
|
|
* Returns boolean flag telling if given embed data has a thumbnail. |
225
|
|
|
*/ |
226
|
|
|
public function hasThumbnail(): bool |
227
|
|
|
{ |
228
|
|
|
return is_array($this->thumbnail); |
229
|
|
|
} |
230
|
|
|
|
231
|
|
|
/** |
232
|
|
|
* Returns thumbnail data in an array form containing url and its dimensions. |
233
|
|
|
* |
234
|
|
|
*/ |
235
|
|
|
public function thumbnail(): ?array |
236
|
|
|
{ |
237
|
|
|
return $this->thumbnail; |
238
|
|
|
} |
239
|
|
|
|
240
|
|
|
/** |
241
|
|
|
* Reutrns string for thumbnail or null if it's not set. |
242
|
|
|
*/ |
243
|
|
|
public function thumbnailUrl(): ?string |
244
|
|
|
{ |
245
|
|
|
return $this->hasThumbnail() ? $this->thumbnail['url'] : null; |
246
|
|
|
} |
247
|
|
|
|
248
|
|
|
/** |
249
|
|
|
* Return thumbnail width or 0 if not set. |
250
|
|
|
*/ |
251
|
|
|
public function thumbnailWidth(): int |
252
|
|
|
{ |
253
|
|
|
return $this->hasThumbnail() ? $this->thumbnail['width'] : 0; |
254
|
|
|
} |
255
|
|
|
|
256
|
|
|
/** |
257
|
|
|
* Return thumbnail height or 0 if not set. |
258
|
|
|
*/ |
259
|
|
|
public function thumbnailHeight(): int |
260
|
|
|
{ |
261
|
|
|
return $this->hasThumbnail() ? $this->thumbnail['height'] : 0; |
262
|
|
|
} |
263
|
|
|
|
264
|
|
|
/** |
265
|
|
|
* Converts Embed instance into an array for caching. |
266
|
|
|
*/ |
267
|
|
|
public function toArray(): array |
268
|
|
|
{ |
269
|
|
|
return [ |
270
|
|
|
'type' => $this->type, |
271
|
|
|
'url' => $this->url, |
272
|
|
|
'data' => $this->data, |
273
|
|
|
]; |
274
|
|
|
} |
275
|
|
|
|
276
|
|
|
/** |
277
|
|
|
* Converts Embed instance into json string. |
278
|
|
|
*/ |
279
|
|
|
public function toJson(): string |
280
|
|
|
{ |
281
|
|
|
return json_encode($this->toArray()); |
282
|
|
|
} |
283
|
|
|
|
284
|
|
|
/** |
285
|
|
|
* Returns HtmlBuilder instance of OEmbed media provider HTML string. |
286
|
|
|
*/ |
287
|
|
|
protected function extractOEmbedHtml(string $html): HtmlBuilder |
288
|
|
|
{ |
289
|
|
|
$script = null; |
290
|
|
|
$doc = new DOMDocument(); |
291
|
|
|
$doc->loadHTML("<html><body>$html</body></html>", LIBXML_NOERROR); |
292
|
|
|
$body = $doc->documentElement->lastChild; |
293
|
|
|
|
294
|
|
|
$scripts = $body->getElementsByTagName('script'); |
|
|
|
|
295
|
|
|
foreach ($scripts as $node) { |
296
|
|
|
$script = $node->getAttribute('src'); |
297
|
|
|
break; |
298
|
|
|
} |
299
|
|
|
|
300
|
|
|
if (!$body->firstChild) { |
301
|
|
|
throw new HtmlParsingException(); |
302
|
|
|
} |
303
|
|
|
|
304
|
|
|
if ($body->firstChild && $body->firstChild->nodeName === 'iframe') { |
305
|
|
|
$attrs = []; |
306
|
|
|
|
307
|
|
|
foreach ($body->firstChild->attributes as $attribute) { |
308
|
|
|
$attrs[$attribute->name] = $attribute->value; |
309
|
|
|
} |
310
|
|
|
|
311
|
|
|
return new HtmlBuilder(HtmlBuilder::TYPE_IFRAME, $attrs, $script); |
312
|
|
|
} |
313
|
|
|
|
314
|
|
|
return new HtmlBuilder(HtmlBuilder::TYPE_RAW, $html, $script); |
315
|
|
|
} |
316
|
|
|
|
317
|
|
|
/** |
318
|
|
|
* Returns HtmlBuilder instance of Regex media provider HTML string. |
319
|
|
|
*/ |
320
|
|
|
protected function extractRegexHtml(array $html): HtmlBuilder |
321
|
|
|
{ |
322
|
|
|
$type = array_key_first($html); |
323
|
|
|
return new HtmlBuilder($type, $html[$type]); |
324
|
|
|
} |
325
|
|
|
} |
326
|
|
|
|