Completed
Pull Request — master (#11)
by Ankit
02:41
created

Client::getClient()   A

Complexity

Conditions 1
Paths 1

Size

Total Lines 3
Code Lines 1

Duplication

Lines 0
Ratio 0 %

Code Coverage

Tests 2
CRAP Score 1

Importance

Changes 0
Metric Value
cc 1
eloc 1
nc 1
nop 0
dl 0
loc 3
ccs 2
cts 2
cp 1
crap 1
rs 10
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;
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use TusPhp\Exception\FileException;
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use GuzzleHttp\Client as GuzzleClient;
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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 Illuminate\Http\Response as HttpResponse;
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class Client extends AbstractTus
16
{
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    /** @var GuzzleClient */
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    protected $client;
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    /** @var string */
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    protected $apiPath = '/files';
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    /** @var string */
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    protected $filePath;
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    /** @var int */
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    protected $fileSize;
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    /** @var string */
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    protected $fileName;
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    /** @var string */
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    protected $checksum;
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    /** @var int */
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    protected $partialOffset = -1;
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    /** @var bool */
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    protected $partial = false;
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    /** @var string */
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    protected $checksumAlgorithm = 'sha256';
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    /**
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     * Client constructor.
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     *
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     * @param string           $baseUrl
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     * @param Cacheable|string $cacheAdapter
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     */
50 1
    public function __construct(string $baseUrl, $cacheAdapter = 'file')
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    {
52 1
        $this->client = new GuzzleClient([
53 1
            'base_uri' => $baseUrl,
54
        ]);
55
56 1
        $this->setCache($cacheAdapter);
57 1
    }
58
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    /**
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     * 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
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    {
69 3
        $this->filePath = $file;
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71 3
        if ( ! file_exists($file) || ! is_readable($file)) {
72 2
            throw new FileException('Cannot read file: ' . $file);
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        }
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75 1
        $this->fileName = $name ?? basename($this->filePath);
76 1
        $this->fileSize = filesize($file);
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78 1
        return $this;
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    }
80
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    /**
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     * Get file path.
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     *
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     * @return string|null
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     */
86 1
    public function getFilePath()
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    {
88 1
        return $this->filePath;
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    }
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
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    {
100 1
        $this->fileName = $name;
101
102 1
        return $this;
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    }
104
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    /**
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     * Get file name.
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     *
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     * @return string|null
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     */
110 2
    public function getFileName()
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    {
112 2
        return $this->fileName;
113
    }
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    /**
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     * Get file size.
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     *
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     * @return int|null
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     */
120 1
    public function getFileSize()
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    {
122 1
        return $this->fileSize;
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    }
124
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    /**
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     * Set API path.
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     *
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     * @param string $path
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     *
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     * @return Client
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     */
132 1
    public function setApiPath(string $path) : self
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    {
134 1
        $this->apiPath = $path;
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136 1
        return $this;
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    }
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    /**
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     * Get API path.
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     *
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     * @return string
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     */
144 1
    public function getApiPath() : string
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    {
146 1
        return $this->apiPath;
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    }
148
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    /**
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     * Get guzzle client.
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     *
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     * @return GuzzleClient
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     */
154 1
    public function getClient() : GuzzleClient
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    {
156 1
        return $this->client;
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    }
158
159
    /**
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     * Get checksum.
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     *
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     * @return string
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     */
164 1
    public function getChecksum() : string
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    {
166 1
        if (empty($this->checksum)) {
167 1
            $this->checksum = hash_file($this->getChecksumAlgorithm(), $this->getFilePath());
168
        }
169
170 1
        return $this->checksum;
171
    }
172
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    /**
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     * Set checksum algorithm.
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     *
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     * @param string $algorithm
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     *
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     * @return Client
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     */
180 1
    public function setChecksumAlgorithm(string $algorithm) : self
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    {
182 1
        $this->checksumAlgorithm = $algorithm;
183
184 1
        return $this;
185
    }
186
187
    /**
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     * Get checksum algorithm.
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     *
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     * @return string
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     */
192 1
    public function getChecksumAlgorithm() : string
193
    {
194 1
        return $this->checksumAlgorithm;
195
    }
196
197
    /**
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     * Check if this is a partial upload request.
199
     *
200
     * @return bool
201
     */
202 2
    public function isPartial() : bool
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    {
204 2
        return $this->partial;
205
    }
206
207
    /**
208
     * Get partial offset.
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     * @return int
210
     */
211 1
    public function getPartialOffset() : int
212
    {
213 1
        return $this->partialOffset;
214
    }
215
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    /**
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     * Set offset and force this to be a partial upload request.
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     *
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     * @param int $offset
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     *
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     * @return $this
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     */
223 1
    public function seek(int $offset)
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    {
225 1
        $this->partialOffset = $offset;
226
227 1
        $this->partial();
228
229 1
        return $this;
230
    }
231
232
    /**
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     * Upload file.
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     *
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     * @param int $bytes Bytes to upload
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     *
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     * @throws ConnectionException
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     *
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     * @return int
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     */
241 5
    public function upload(int $bytes = -1) : int
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    {
243 5
        $bytes    = $bytes < 0 ? $this->getFileSize() : $bytes;
244 5
        $checksum = $this->getChecksum();
245
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        try {
247
            // Check if this upload exists with HEAD request
248 5
            $this->sendHeadRequest($checksum);
249 3
        } catch (FileException | ClientException $e) {
250 2
            $this->create($checksum);
251 1
        } catch (ConnectException $e) {
252 1
            throw new ConnectionException("Couldn't connect to server.");
253
        }
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        // Now, resume upload with PATCH request
256 4
        return $this->sendPatchRequest($checksum, $bytes);
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    }
258
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    /**
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     * Returns offset if file is partially uploaded.
261
     *
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     * @return bool|int
263
     */
264 3
    public function getOffset()
265
    {
266 3
        $checksum = $this->getChecksum();
267
268
        try {
269 3
            $offset = $this->sendHeadRequest($checksum);
270 2
        } catch (FileException | ClientException $e) {
271 2
            return false;
272
        }
273
274 1
        return $offset;
275
    }
276
277
    /**
278
     * Create resource with POST request.
279
     *
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     * @param string $checksum
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     *
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     * @throws FileException
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     *
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     * @return string
285
     */
286 4
    public function create(string $checksum) : string
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    {
288
        $headers = [
289 4
            'Upload-Length' => $this->fileSize,
290 4
            'Upload-Checksum' => $this->getUploadChecksumHeader($checksum),
291 4
            'Upload-Metadata' => 'filename ' . base64_encode($this->fileName),
292
        ];
293
294 4
        if ($this->isPartial()) {
295 1
            $headers += ['Upload-Concat' => 'partial'];
296
        }
297
298 4
        $response = $this->getClient()->post($this->apiPath, [
299 4
            'headers' => $headers,
300
        ]);
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302 4
        $data       = json_decode($response->getBody(), true);
303 4
        $checksum   = $data['data']['checksum'] ?? null;
304 4
        $statusCode = $response->getStatusCode();
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306 4
        if (HttpResponse::HTTP_CREATED !== $statusCode || ! $checksum) {
307 2
            throw new FileException('Unable to create resource.');
308
        }
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310 2
        return $checksum;
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    }
312
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    /**
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     * Concatenate 2 or more partial uploads.
315
     *
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     * @param string $checksum
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     * @param array  $partials
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     *
319
     * @return string
320
     */
321 3
    public function concat(string $checksum, ...$partials) : string
322
    {
323 3
        $response = $this->getClient()->post($this->apiPath, [
324
            'headers' => [
325 3
                'Upload-Length' => $this->fileSize,
326 3
                'Upload-Checksum' => $this->getUploadChecksumHeader($checksum),
327 3
                'Upload-Metadata' => 'filename ' . base64_encode($this->fileName),
328 3
                'Upload-Concat' => self::UPLOAD_TYPE_FINAL . ';' . implode(' ', $partials),
329
            ],
330
        ]);
331
332 3
        $data       = json_decode($response->getBody(), true);
333 3
        $checksum   = $data['data']['checksum'] ?? null;
334 3
        $statusCode = $response->getStatusCode();
335
336 3
        if (HttpResponse::HTTP_CREATED !== $statusCode || ! $checksum) {
337 2
            throw new FileException('Unable to create resource.');
338
        }
339
340 1
        return $checksum;
341
    }
342
343
    /**
344
     * Send DELETE request.
345
     *
346
     * @param string $checksum
347
     *
348
     * @throws FileException
349
     *
350
     * @return void
351
     */
352 3
    public function delete(string $checksum)
353
    {
354
        try {
355 3
            $this->getClient()->delete($this->apiPath . '/' . $checksum, [
356
                'headers' => [
357 3
                    'Tus-Resumable' => self::TUS_PROTOCOL_VERSION,
358
                ],
359
            ]);
360 2
        } catch (ClientException $e) {
361 2
            $statusCode = $e->getResponse()->getStatusCode();
362
363 2
            if (HttpResponse::HTTP_NOT_FOUND === $statusCode || HttpResponse::HTTP_GONE === $statusCode) {
364 2
                throw new FileException('File not found.');
365
            }
366
        }
367 1
    }
368
369
    /**
370
     * Set as partial request.
371
     *
372
     * @param bool $state
373
     */
374 3
    protected function partial(bool $state = true)
375
    {
376 3
        $this->partial = $state;
377
378 3
        if ( ! $this->partial) {
379 1
            return;
380
        }
381
382 2
        $checksum = $this->getChecksum();
383
384 2
        if (false !== strpos($checksum, self::PARTIAL_UPLOAD_NAME_SEPARATOR)) {
385 1
            list($checksum) = explode(self::PARTIAL_UPLOAD_NAME_SEPARATOR, $checksum);
386
        }
387
388 2
        $this->checksum = $checksum . uniqid(self::PARTIAL_UPLOAD_NAME_SEPARATOR);
389 2
    }
390
391
    /**
392
     * Send HEAD request.
393
     *
394
     * @param string $checksum
395
     *
396
     * @throws FileException
397
     *
398
     * @return int
399
     */
400 2
    protected function sendHeadRequest(string $checksum) : int
401
    {
402 2
        $response = $this->getClient()->head($this->apiPath . '/' . $checksum);
403
404 2
        $statusCode = $response->getStatusCode();
405
406 2
        if (HttpResponse::HTTP_OK !== $statusCode) {
407 1
            throw new FileException('File not found.');
408
        }
409
410 1
        return (int) current($response->getHeader('upload-offset'));
411
    }
412
413
    /**
414
     * Send PATCH request.
415
     *
416
     * @param string $checksum
417
     * @param int    $bytes
418
     *
419
     * @throws Exception
420
     * @throws FileException
421
     * @throws ConnectionException
422
     *
423
     * @return int
424
     */
425 6
    protected function sendPatchRequest(string $checksum, int $bytes) : int
426
    {
427 6
        $data    = $this->getData($checksum, $bytes);
428
        $headers = [
429 6
            'Content-Type' => 'application/offset+octet-stream',
430 6
            'Content-Length' => strlen($data),
431 6
            'Upload-Checksum' => $this->getUploadChecksumHeader($checksum),
432
        ];
433
434 6
        if ($this->isPartial()) {
435 1
            $headers += ['Upload-Concat' => self::UPLOAD_TYPE_PARTIAL];
436
        }
437
438
        try {
439 6
            $response = $this->getClient()->patch($this->apiPath . '/' . $checksum, [
440 6
                'body' => $data,
441 6
                'headers' => $headers,
442
            ]);
443
444 2
            return (int) current($response->getHeader('upload-offset'));
445 4
        } catch (ClientException $e) {
446 3
            $statusCode = $e->getResponse()->getStatusCode();
447
448 3
            if (HttpResponse::HTTP_REQUESTED_RANGE_NOT_SATISFIABLE === $statusCode) {
449 1
                throw new FileException('The uploaded file is corrupt.');
450
            }
451
452 2
            if (HttpResponse::HTTP_CONTINUE === $statusCode) {
453 1
                throw new ConnectionException('Connection aborted by user.');
454
            }
455
456 1
            throw new Exception($e->getResponse()->getBody(), $statusCode);
457 1
        } catch (ConnectException $e) {
458 1
            throw new ConnectionException("Couldn't connect to server.");
459
        }
460
    }
461
462
    /**
463
     * Get X bytes of data from file.
464
     *
465
     * @param string $checksum
466
     * @param int    $bytes
467
     *
468
     * @return string
469
     */
470 2
    protected function getData(string $checksum, int $bytes) : string
471
    {
472 2
        $file   = new File;
473 2
        $handle = $file->open($this->getFilePath(), $file::READ_BINARY);
474 2
        $offset = $this->partialOffset;
475
476 2
        if ($offset < 0) {
477 2
            $fileMeta = $this->getCache()->get($checksum);
478 2
            $offset   = $fileMeta['offset'];
479
        }
480
481 2
        $file->seek($handle, $offset);
482
483 2
        $data = $file->read($handle, $bytes);
484
485 2
        $file->close($handle);
486
487 2
        return (string) $data;
488
    }
489
490
    /**
491
     * Get upload checksum header.
492
     *
493
     * @param string|null $checksum
494
     *
495
     * @return string
496
     */
497 1
    protected function getUploadChecksumHeader(string $checksum = null) : string
498
    {
499 1
        if (empty($checksum)) {
500 1
            $checksum = $this->getChecksum();
501
        }
502
503 1
        return $this->getChecksumAlgorithm() . ' ' . base64_encode($checksum);
504
    }
505
}
506