Completed
Push — master ( 766963...aceb5e )
by Ankit
02:21
created

Client::file()   A

Complexity

Conditions 3
Paths 2

Size

Total Lines 12

Duplication

Lines 0
Ratio 0 %

Code Coverage

Tests 7
CRAP Score 3

Importance

Changes 0
Metric Value
cc 3
nc 2
nop 2
dl 0
loc 12
ccs 7
cts 7
cp 1
crap 3
rs 9.8666
c 0
b 0
f 0
1
<?php
2
3
namespace TusPhp\Tus;
4
5
use TusPhp\File;
6
use TusPhp\Cache\Cacheable;
7
use TusPhp\Exception\Exception;
8
use TusPhp\Exception\FileException;
9
use GuzzleHttp\Client as GuzzleClient;
10
use GuzzleHttp\Exception\ClientException;
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use TusPhp\Exception\ConnectionException;
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use GuzzleHttp\Exception\ConnectException;
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use Symfony\Component\HttpFoundation\Response as HttpResponse;
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class Client extends AbstractTus
16
{
17
    /** @var GuzzleClient */
18
    protected $client;
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20
    /** @var string */
21
    protected $filePath;
22
23
    /** @var int */
24
    protected $fileSize;
25
26
    /** @var string */
27
    protected $fileName;
28
29
    /** @var string */
30
    protected $key;
31
32
    /** @var string */
33
    protected $checksum;
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    /** @var int */
36
    protected $partialOffset = -1;
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    /** @var bool */
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    protected $partial = false;
40
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    /** @var string */
42
    protected $checksumAlgorithm = 'sha256';
43
44
    /**
45
     * Client constructor.
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     *
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     * @param string           $baseUrl
48
     * @param Cacheable|string $cacheAdapter
49
     */
50 1
    public function __construct(string $baseUrl, $cacheAdapter = 'file')
51
    {
52 1
        $this->client = new GuzzleClient([
53 1
            'base_uri' => $baseUrl,
54
        ]);
55
56 1
        $this->setCache($cacheAdapter);
57 1
    }
58
59
    /**
60
     * Set file properties.
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     *
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     * @param string $file File path.
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     * @param string $name File name.
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     *
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     * @return Client
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     */
67 3
    public function file(string $file, string $name = null) : self
68
    {
69 3
        $this->filePath = $file;
70
71 3
        if ( ! file_exists($file) || ! is_readable($file)) {
72 2
            throw new FileException('Cannot read file: ' . $file);
73
        }
74
75 1
        $this->fileName = $name ?? basename($this->filePath);
76 1
        $this->fileSize = filesize($file);
77
78 1
        return $this;
79
    }
80
81
    /**
82
     * Get file path.
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     *
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     * @return string|null
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     */
86 1
    public function getFilePath()
87
    {
88 1
        return $this->filePath;
89
    }
90
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    /**
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     * Set file name.
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     *
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     * @param string $name
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     *
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     * @return Client
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     */
98 1
    public function setFileName(string $name) : self
99
    {
100 1
        $this->fileName = $name;
101
102 1
        return $this;
103
    }
104
105
    /**
106
     * Get file name.
107
     *
108
     * @return string|null
109
     */
110 2
    public function getFileName()
111
    {
112 2
        return $this->fileName;
113
    }
114
115
    /**
116
     * Get file size.
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     *
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     * @return int|null
119
     */
120 1
    public function getFileSize()
121
    {
122 1
        return $this->fileSize;
123
    }
124
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    /**
126
     * Get guzzle client.
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     *
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     * @return GuzzleClient
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     */
130 1
    public function getClient() : GuzzleClient
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    {
132 1
        return $this->client;
133
    }
134
135
    /**
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     * Get checksum.
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     *
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     * @return string
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     */
140 1
    public function getChecksum() : string
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    {
142 1
        if (empty($this->checksum)) {
143 1
            $this->checksum = hash_file($this->getChecksumAlgorithm(), $this->getFilePath());
144
        }
145
146 1
        return $this->checksum;
147
    }
148
149
    /**
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     * Set key.
151
     *
152
     * @param string $key
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     *
154
     * @return Client
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     */
156 1
    public function setKey(string $key) : self
157
    {
158 1
        $this->key = $key;
159
160 1
        return $this;
161
    }
162
163
    /**
164
     * Get key.
165
     *
166
     * @return string
167
     */
168 1
    public function getKey() : string
169
    {
170 1
        return $this->key;
171
    }
172
173
    /**
174
     * Set checksum algorithm.
175
     *
176
     * @param string $algorithm
177
     *
178
     * @return Client
179
     */
180 1
    public function setChecksumAlgorithm(string $algorithm) : self
181
    {
182 1
        $this->checksumAlgorithm = $algorithm;
183
184 1
        return $this;
185
    }
186
187
    /**
188
     * Get checksum algorithm.
189
     *
190
     * @return string
191
     */
192 1
    public function getChecksumAlgorithm() : string
193
    {
194 1
        return $this->checksumAlgorithm;
195
    }
196
197
    /**
198
     * Check if this is a partial upload request.
199
     *
200
     * @return bool
201
     */
202 2
    public function isPartial() : bool
203
    {
204 2
        return $this->partial;
205
    }
206
207
    /**
208
     * Get partial offset.
209
     *
210
     * @return int
211
     */
212 1
    public function getPartialOffset() : int
213
    {
214 1
        return $this->partialOffset;
215
    }
216
217
    /**
218
     * Set offset and force this to be a partial upload request.
219
     *
220
     * @param int $offset
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     *
222
     * @return self
223
     */
224 1
    public function seek(int $offset) : self
225
    {
226 1
        $this->partialOffset = $offset;
227
228 1
        $this->partial();
229
230 1
        return $this;
231
    }
232
233
    /**
234
     * Upload file.
235
     *
236
     * @param int $bytes Bytes to upload
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     *
238
     * @throws ConnectionException
239
     *
240
     * @return int
241
     */
242 5
    public function upload(int $bytes = -1) : int
243
    {
244 5
        $bytes = $bytes < 0 ? $this->getFileSize() : $bytes;
245 5
        $key   = $this->getKey();
246
247
        try {
248
            // Check if this upload exists with HEAD request.
249 5
            $this->sendHeadRequest($key);
250 3
        } catch (FileException | ClientException $e) {
251 2
            $this->create($key);
252 1
        } catch (ConnectException $e) {
253 1
            throw new ConnectionException("Couldn't connect to server.");
254
        }
255
256
        // Now, resume upload with PATCH request.
257 4
        return $this->sendPatchRequest($key, $bytes);
258
    }
259
260
    /**
261
     * Returns offset if file is partially uploaded.
262
     *
263
     * @return bool|int
264
     */
265 3
    public function getOffset()
266
    {
267 3
        $key = $this->getKey();
268
269
        try {
270 3
            $offset = $this->sendHeadRequest($key);
271 2
        } catch (FileException | ClientException $e) {
272 2
            return false;
273
        }
274
275 1
        return $offset;
276
    }
277
278
    /**
279
     * Create resource with POST request.
280
     *
281
     * @param string $key
282
     *
283
     * @throws FileException
284
     *
285
     * @return void
286
     */
287 3
    public function create(string $key)
288
    {
289
        $headers = [
290 3
            'Upload-Length' => $this->fileSize,
291 3
            'Upload-Key' => $key,
292 3
            'Upload-Checksum' => $this->getUploadChecksumHeader(),
293 3
            'Upload-Metadata' => 'filename ' . base64_encode($this->fileName),
294
        ];
295
296 3
        if ($this->isPartial()) {
297 1
            $headers += ['Upload-Concat' => 'partial'];
298
        }
299
300 3
        $response = $this->getClient()->post($this->apiPath, [
301 3
            'headers' => $headers,
302
        ]);
303
304 3
        $statusCode = $response->getStatusCode();
305
306 3
        if (HttpResponse::HTTP_CREATED !== $statusCode) {
307 1
            throw new FileException('Unable to create resource.');
308
        }
309 2
    }
310
311
    /**
312
     * Concatenate 2 or more partial uploads.
313
     *
314
     * @param string $key
315
     * @param mixed  $partials
316
     *
317
     * @return string
318
     */
319 3
    public function concat(string $key, ...$partials) : string
320
    {
321 3
        $response = $this->getClient()->post($this->apiPath, [
322
            'headers' => [
323 3
                'Upload-Length' => $this->fileSize,
324 3
                'Upload-Key' => $key,
325 3
                'Upload-Checksum' => $this->getUploadChecksumHeader(),
326 3
                'Upload-Metadata' => 'filename ' . base64_encode($this->fileName),
327 3
                'Upload-Concat' => self::UPLOAD_TYPE_FINAL . ';' . implode(' ', $partials),
328
            ],
329
        ]);
330
331 3
        $data       = json_decode($response->getBody(), true);
332 3
        $checksum   = $data['data']['checksum'] ?? null;
333 3
        $statusCode = $response->getStatusCode();
334
335 3
        if (HttpResponse::HTTP_CREATED !== $statusCode || ! $checksum) {
336 2
            throw new FileException('Unable to create resource.');
337
        }
338
339 1
        return $checksum;
340
    }
341
342
    /**
343
     * Send DELETE request.
344
     *
345
     * @param string $key
346
     *
347
     * @throws FileException
348
     *
349
     * @return void
350
     */
351 3
    public function delete(string $key)
352
    {
353
        try {
354 3
            $this->getClient()->delete($this->apiPath . '/' . $key, [
355
                'headers' => [
356 3
                    'Tus-Resumable' => self::TUS_PROTOCOL_VERSION,
357
                ],
358
            ]);
359 2
        } catch (ClientException $e) {
360 2
            $statusCode = $e->getResponse()->getStatusCode();
361
362 2
            if (HttpResponse::HTTP_NOT_FOUND === $statusCode || HttpResponse::HTTP_GONE === $statusCode) {
363 2
                throw new FileException('File not found.');
364
            }
365
        }
366 1
    }
367
368
    /**
369
     * Set as partial request.
370
     *
371
     * @param bool $state
372
     *
373
     * @return void
374
     */
375 3
    protected function partial(bool $state = true)
376
    {
377 3
        $this->partial = $state;
378
379 3
        if ( ! $this->partial) {
380 1
            return;
381
        }
382
383 2
        $key = $this->getKey();
384
385 2
        if (false !== strpos($key, self::PARTIAL_UPLOAD_NAME_SEPARATOR)) {
386 1
            list($key, /* $partialKey */) = explode(self::PARTIAL_UPLOAD_NAME_SEPARATOR, $key);
387
        }
388
389 2
        $this->key = $key . uniqid(self::PARTIAL_UPLOAD_NAME_SEPARATOR);
390 2
    }
391
392
    /**
393
     * Send HEAD request.
394
     *
395
     * @param string $key
396
     *
397
     * @throws FileException
398
     *
399
     * @return int
400
     */
401 2
    protected function sendHeadRequest(string $key) : int
402
    {
403 2
        $response = $this->getClient()->head($this->apiPath . '/' . $key);
404
405 2
        $statusCode = $response->getStatusCode();
406
407 2
        if (HttpResponse::HTTP_OK !== $statusCode) {
408 1
            throw new FileException('File not found.');
409
        }
410
411 1
        return (int) current($response->getHeader('upload-offset'));
412
    }
413
414
    /**
415
     * Send PATCH request.
416
     *
417
     * @param string $key
418
     * @param int    $bytes
419
     *
420
     * @throws Exception
421
     * @throws FileException
422
     * @throws ConnectionException
423
     *
424
     * @return int
425
     */
426 6
    protected function sendPatchRequest(string $key, int $bytes) : int
427
    {
428 6
        $data    = $this->getData($key, $bytes);
429
        $headers = [
430 6
            'Content-Type' => 'application/offset+octet-stream',
431 6
            'Content-Length' => strlen($data),
432 6
            'Upload-Checksum' => $this->getUploadChecksumHeader(),
433
        ];
434
435 6
        if ($this->isPartial()) {
436 1
            $headers += ['Upload-Concat' => self::UPLOAD_TYPE_PARTIAL];
437
        }
438
439
        try {
440 6
            $response = $this->getClient()->patch($this->apiPath . '/' . $key, [
441 6
                'body' => $data,
442 6
                'headers' => $headers,
443
            ]);
444
445 2
            return (int) current($response->getHeader('upload-offset'));
446 4
        } catch (ClientException $e) {
447 3
            $statusCode = $e->getResponse()->getStatusCode();
448
449 3
            if (HttpResponse::HTTP_REQUESTED_RANGE_NOT_SATISFIABLE === $statusCode) {
450 1
                throw new FileException('The uploaded file is corrupt.');
451
            }
452
453 2
            if (HttpResponse::HTTP_CONTINUE === $statusCode) {
454 1
                throw new ConnectionException('Connection aborted by user.');
455
            }
456
457 1
            throw new Exception($e->getResponse()->getBody(), $statusCode);
458 1
        } catch (ConnectException $e) {
459 1
            throw new ConnectionException("Couldn't connect to server.");
460
        }
461
    }
462
463
    /**
464
     * Get X bytes of data from file.
465
     *
466
     * @param string $key
467
     * @param int    $bytes
468
     *
469
     * @return string
470
     */
471 2
    protected function getData(string $key, int $bytes) : string
472
    {
473 2
        $file   = new File;
474 2
        $handle = $file->open($this->getFilePath(), $file::READ_BINARY);
475 2
        $offset = $this->partialOffset;
476
477 2
        if ($offset < 0) {
478 2
            $fileMeta = $this->getCache()->get($key);
479 2
            $offset   = $fileMeta['offset'];
480
        }
481
482 2
        $file->seek($handle, $offset);
483
484 2
        $data = $file->read($handle, $bytes);
485
486 2
        $file->close($handle);
487
488 2
        return (string) $data;
489
    }
490
491
    /**
492
     * Get upload checksum header.
493
     *
494
     * @return string
495
     */
496 1
    protected function getUploadChecksumHeader() : string
497
    {
498 1
        return $this->getChecksumAlgorithm() . ' ' . base64_encode($this->getChecksum());
499
    }
500
}
501