AwsS3Adapter::getTimestamp() - Code Metrics - Inspection of "Refactored PR" - thephpleague/flysystem-aws-s3-v3 - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — feature/etag-in-metadata ( 93724b )

by Frank

created 2018-03-27 20:33 UTC

AwsS3Adapter::getTimestamp() A

↳ Parent: AwsS3Adapter

Complexity

Conditions	1
Paths	1

Size

Total Lines	4
Code Lines	2

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	2
CRAP Score	1

Importance

Changes

Metric	Value
dl	0
loc	4
ccs	2
cts	2
cp	1
rs	10
c	0
b	0
f	0
cc	1
eloc	2
nc	1
nop	1
crap	1

<?php

namespace League\Flysystem\AwsS3v3;

use Aws\Result;
use Aws\S3\Exception\DeleteMultipleObjectsException;
use Aws\S3\Exception\S3Exception;
use Aws\S3\S3Client;
use League\Flysystem\Adapter\AbstractAdapter;
use League\Flysystem\Adapter\CanOverwriteFiles;
use League\Flysystem\AdapterInterface;
use League\Flysystem\Config;
use League\Flysystem\Util;

class AwsS3Adapter extends AbstractAdapter implements CanOverwriteFiles
{
    const PUBLIC_GRANT_URI = 'http://acs.amazonaws.com/groups/global/AllUsers';

    /**
     * @var array
     */
    protected static $resultMap = [
        'Body'          => 'contents',
        'ContentLength' => 'size',
        'ContentType'   => 'mimetype',
        'Size'          => 'size',
        'Metadata'      => 'metadata',
        'StorageClass'  => 'storageclass',
        'ETag'          => 'etag',
    ];

    /**
     * @var array
     */
    protected static $metaOptions = [
        'ACL',
        'CacheControl',
        'ContentDisposition',
        'ContentEncoding',
        'ContentLength',
        'ContentType',
        'Expires',
        'GrantFullControl',
        'GrantRead',
        'GrantReadACP',
        'GrantWriteACP',
        'Metadata',
        'RequestPayer',
        'SSECustomerAlgorithm',
        'SSECustomerKey',
        'SSECustomerKeyMD5',
        'SSEKMSKeyId',
        'ServerSideEncryption',
        'StorageClass',
        'Tagging',
        'WebsiteRedirectLocation',
    ];

    /**
     * @var S3Client
     */
    protected $s3Client;

    /**
     * @var string
     */
    protected $bucket;

    /**
     * @var array
     */
    protected $options = [];

    /**
     * Constructor.
     *
     * @param S3Client $client
     * @param string   $bucket
     * @param string   $prefix
     * @param array    $options
     */
    public function __construct(S3Client $client, $bucket, $prefix = '', array $options = [])
    {
        $this->s3Client = $client;
        $this->bucket = $bucket;
        $this->setPathPrefix($prefix);
        $this->options = $options;
    }

    /**
     * Get the S3Client bucket.
     *
     * @return string
     */
    public function getBucket()
    {
        return $this->bucket;
    }

    /**
     * Set the S3Client bucket.
     *
     * @return string
     */
    public function setBucket($bucket)
    {
        $this->bucket = $bucket;
    }

    /**
     * Get the S3Client instance.
     *
     * @return S3Client
     */
    public function getClient()
    {
        return $this->s3Client;
    }

    /**
     * Write a new file.
     *
     * @param string $path
     * @param string $contents
     * @param Config $config Config object
     *
     * @return false|array false on failure file meta data on success
     */
    public function write($path, $contents, Config $config)
    {
        return $this->upload($path, $contents, $config);
    }

    /**
     * Update a file.
     *
     * @param string $path
     * @param string $contents
     * @param Config $config Config object
     *
     * @return false|array false on failure file meta data on success
     */
    public function update($path, $contents, Config $config)
    {
        return $this->upload($path, $contents, $config);
    }

    /**
     * Rename a file.
     *
     * @param string $path
     * @param string $newpath
     *
     * @return bool
     */
    public function rename($path, $newpath)
    {
        if ( ! $this->copy($path, $newpath)) {
            return false;
        }

        return $this->delete($path);
    }

    /**
     * Delete a file.
     *
     * @param string $path
     *
     * @return bool
     */
    public function delete($path)
    {
        $location = $this->applyPathPrefix($path);

        $command = $this->s3Client->getCommand(
            'deleteObject',
            [
                'Bucket' => $this->bucket,
                'Key'    => $location,
            ]
        );

        $this->s3Client->execute($command);

        return ! $this->has($path);
    }

    /**
     * Delete a directory.
     *
     * @param string $dirname
     *
     * @return bool
     */
    public function deleteDir($dirname)
    {
        try {
            $prefix = $this->applyPathPrefix($dirname) . '/';
            $this->s3Client->deleteMatchingObjects($this->bucket, $prefix);
        } catch (DeleteMultipleObjectsException $exception) {
            return false;
        }

        return true;
    }

    /**
     * Create a directory.
     *
     * @param string $dirname directory name
     * @param Config $config
     *
     * @return bool|array
     */
    public function createDir($dirname, Config $config)
    {
        return $this->upload($dirname . '/', '', $config);
    }

    /**
     * Check whether a file exists.
     *
     * @param string $path
     *
     * @return bool
     */
    public function has($path)
    {
        $location = $this->applyPathPrefix($path);

        if ($this->s3Client->doesObjectExist($this->bucket, $location, $this->options)) {
            return true;
        }

        return $this->doesDirectoryExist($location);
    }

    /**
     * Read a file.
     *
     * @param string $path
     *
     * @return false|array
     */
    public function read($path)
    {
        $response = $this->readObject($path);

        if ($response !== false) {
            $response['contents'] = $response['contents']->getContents();
        }

        return $response;
    }

    /**
     * List contents of a directory.
     *
     * @param string $directory
     * @param bool   $recursive
     *
     * @return array
     */
    public function listContents($directory = '', $recursive = false)
    {
        $prefix = $this->applyPathPrefix(rtrim($directory, '/') . '/');
        $options = ['Bucket' => $this->bucket, 'Prefix' => ltrim($prefix, '/')];

        if ($recursive === false) {
            $options['Delimiter'] = '/';
        }

        $listing = $this->retrievePaginatedListing($options);
        $normalizer = [$this, 'normalizeResponse'];
        $normalized = array_map($normalizer, $listing);

        return Util::emulateDirectories($normalized);
    }

    /**
     * @param array $options
     *
     * @return array
     */
    protected function retrievePaginatedListing(array $options)
    {
        $resultPaginator = $this->s3Client->getPaginator('ListObjects', $options);
        $listing = [];

        foreach ($resultPaginator as $result) {
            $listing = array_merge($listing, $result->get('Contents') ?: [], $result->get('CommonPrefixes') ?: []);
        }

        return $listing;
    }

    /**
     * Get all the meta data of a file or directory.
     *
     * @param string $path
     *
     * @return false|array
     */
    public function getMetadata($path)
    {
        $command = $this->s3Client->getCommand(
            'headObject',
            [
                'Bucket' => $this->bucket,
                'Key'    => $this->applyPathPrefix($path),
            ] + $this->options
        );

        /* @var Result $result */
        try {
            $result = $this->s3Client->execute($command);
        } catch (S3Exception $exception) {
            $response = $exception->getResponse();

            if ($response !== null && $response->getStatusCode() === 404) {
                return false;
            }

            throw $exception;
        }

        return $this->normalizeResponse($result->toArray(), $path);
    }

    /**
     * Get all the meta data of a file or directory.
     *
     * @param string $path
     *
     * @return false|array
     */
    public function getSize($path)
    {
        return $this->getMetadata($path);
    }

    /**
     * Get the mimetype of a file.
     *
     * @param string $path
     *
     * @return false|array
     */
    public function getMimetype($path)
    {
        return $this->getMetadata($path);
    }

    /**
     * Get the timestamp of a file.
     *
     * @param string $path
     *
     * @return false|array
     */
    public function getTimestamp($path)
    {
        return $this->getMetadata($path);
    }

    /**
     * Write a new file using a stream.
     *
     * @param string   $path
     * @param resource $resource
     * @param Config   $config Config object
     *
     * @return array|false false on failure file meta data on success
     */
    public function writeStream($path, $resource, Config $config)
    {
        return $this->upload($path, $resource, $config);
    }

    /**
     * Update a file using a stream.
     *
     * @param string   $path
     * @param resource $resource
     * @param Config   $config Config object
     *
     * @return array|false false on failure file meta data on success
     */
    public function updateStream($path, $resource, Config $config)
    {
        return $this->upload($path, $resource, $config);
    }

    /**
     * Copy a file.
     *
     * @param string $path
     * @param string $newpath
     *
     * @return bool
     */
    public function copy($path, $newpath)
    {
        $command = $this->s3Client->getCommand(
            'copyObject',
            [
                'Bucket'     => $this->bucket,
                'Key'        => $this->applyPathPrefix($newpath),
                'CopySource' => urlencode($this->bucket . '/' . $this->applyPathPrefix($path)),
                'ACL'        => $this->getRawVisibility($path) === AdapterInterface::VISIBILITY_PUBLIC
                    ? 'public-read' : 'private',
            ] + $this->options
        );

        try {
            $this->s3Client->execute($command);
        } catch (S3Exception $e) {
            return false;
        }

        return true;
    }

    /**
     * Read a file as a stream.
     *
     * @param string $path
     *
     * @return array|false
     */
    public function readStream($path)
    {
        $response = $this->readObject($path);

        if ($response !== false) {
            $response['stream'] = $response['contents']->detach();
            unset($response['contents']);
        }

        return $response;
    }

    /**
     * Read an object and normalize the response.
     *
     * @param $path
     *
     * @return array|bool
     */
    protected function readObject($path)
    {
        $options = [
            'Bucket' => $this->bucket,
            'Key'    => $this->applyPathPrefix($path),
        ];

        if (isset($this->options['@http'])) {
            $options['@http'] = $this->options['@http'];
        }

        $command = $this->s3Client->getCommand('getObject', $options + $this->options);

        try {
            /** @var Result $response */
            $response = $this->s3Client->execute($command);
        } catch (S3Exception $e) {
            return false;
        }

        return $this->normalizeResponse($response->toArray(), $path);
    }

    /**
     * Set the visibility for a file.
     *
     * @param string $path
     * @param string $visibility
     *
     * @return array|false file meta data
     */
    public function setVisibility($path, $visibility)
    {
        $command = $this->s3Client->getCommand(
            'putObjectAcl',
            [
                'Bucket' => $this->bucket,
                'Key'    => $this->applyPathPrefix($path),
                'ACL'    => $visibility === AdapterInterface::VISIBILITY_PUBLIC ? 'public-read' : 'private',
            ]
        );

        try {
            $this->s3Client->execute($command);
        } catch (S3Exception $exception) {
            return false;
        }

        return compact('path', 'visibility');
    }

    /**
     * Get the visibility of a file.
     *
     * @param string $path
     *
     * @return array|false
     */
    public function getVisibility($path)
    {
        return ['visibility' => $this->getRawVisibility($path)];
    }

    /**
     * {@inheritdoc}
     */
    public function applyPathPrefix($path)
    {
        return ltrim(parent::applyPathPrefix($path), '/');
    }

    /**
     * {@inheritdoc}
     */
    public function setPathPrefix($prefix)
    {
        $prefix = ltrim($prefix, '/');

        return parent::setPathPrefix($prefix);
    }

    /**
     * Get the object acl presented as a visibility.
     *
     * @param string $path
     *
     * @return string
     */
    protected function getRawVisibility($path)
    {
        $command = $this->s3Client->getCommand(
            'getObjectAcl',
            [
                'Bucket' => $this->bucket,
                'Key'    => $this->applyPathPrefix($path),
            ]
        );

        $result = $this->s3Client->execute($command);
        $visibility = AdapterInterface::VISIBILITY_PRIVATE;

        foreach ($result->get('Grants') as $grant) {
            if (
                isset($grant['Grantee']['URI'])
                && $grant['Grantee']['URI'] === self::PUBLIC_GRANT_URI
                && $grant['Permission'] === 'READ'
            ) {
                $visibility = AdapterInterface::VISIBILITY_PUBLIC;
                break;
            }
        }

        return $visibility;
    }

    /**
     * Upload an object.
     *
     * @param        $path
     * @param        $body
     * @param Config $config
     *
     * @return array
     */
    protected function upload($path, $body, Config $config)
    {
        $key = $this->applyPathPrefix($path);
        $options = $this->getOptionsFromConfig($config);
        $acl = array_key_exists('ACL', $options) ? $options['ACL'] : 'private';

        if ( ! isset($options['ContentType'])) {
            $options['ContentType'] = Util::guessMimeType($path, $body);
        }

        if ( ! isset($options['ContentLength'])) {
            $options['ContentLength'] = is_string($body) ? Util::contentSize($body) : Util::getStreamSize($body);
        }

        if ($options['ContentLength'] === null) {
            unset($options['ContentLength']);
        }

        $this->s3Client->upload($this->bucket, $key, $body, $acl, ['params' => $options]);

        return $this->normalizeResponse($options, $key);
    }

    /**
     * Get options from the config.
     *
     * @param Config $config
     *
     * @return array
     */
    protected function getOptionsFromConfig(Config $config)
    {
        $options = $this->options;

        if ($visibility = $config->get('visibility')) {
            // For local reference
            $options['visibility'] = $visibility;
            // For external reference
            $options['ACL'] = $visibility === AdapterInterface::VISIBILITY_PUBLIC ? 'public-read' : 'private';
        }

        if ($mimetype = $config->get('mimetype')) {
            // For local reference
            $options['mimetype'] = $mimetype;
            // For external reference
            $options['ContentType'] = $mimetype;
        }

        foreach (static::$metaOptions as $option) {
            if ( ! $config->has($option)) {
                continue;
            }
            $options[$option] = $config->get($option);
        }

        return $options;
    }

    /**
     * Normalize the object result array.
     *
     * @param array  $response
     * @param string $path
     *
     * @return array
     */
    protected function normalizeResponse(array $response, $path = null)
    {
        $result = [
            'path' => $path ?: $this->removePathPrefix(
                isset($response['Key']) ? $response['Key'] : $response['Prefix']
            ),
        ];
        $result = array_merge($result, Util::pathinfo($result['path']));

        if (isset($response['LastModified'])) {
            $result['timestamp'] = strtotime($response['LastModified']);
        }

        if (substr($result['path'], -1) === '/') {
            $result['type'] = 'dir';
            $result['path'] = rtrim($result['path'], '/');

            return $result;
        }

        return array_merge($result, Util::map($response, static::$resultMap), ['type' => 'file']);
    }

    /**
     * @param $location
     *
     * @return bool
     */
    protected function doesDirectoryExist($location)
    {
        // Maybe this isn't an actual key, but a prefix.
        // Do a prefix listing of objects to determine.
        $command = $this->s3Client->getCommand(
            'listObjects',
            [
                'Bucket'  => $this->bucket,
                'Prefix'  => rtrim($location, '/') . '/',
                'MaxKeys' => 1,
            ]
        );

        try {
            $result = $this->s3Client->execute($command);

            return $result['Contents'] || $result['CommonPrefixes'];
        } catch (S3Exception $e) {
            if ($e->getStatusCode() === 403) {
                return false;
            }

            throw $e;
        }
    }
}


1		<?php
2
3		namespace League\Flysystem\AwsS3v3;
4
5		use Aws\Result;
6		use Aws\S3\Exception\DeleteMultipleObjectsException;
7		use Aws\S3\Exception\S3Exception;
8		use Aws\S3\S3Client;
9		use League\Flysystem\Adapter\AbstractAdapter;
10		use League\Flysystem\Adapter\CanOverwriteFiles;
11		use League\Flysystem\AdapterInterface;
12		use League\Flysystem\Config;
13		use League\Flysystem\Util;
14
15		class AwsS3Adapter extends AbstractAdapter implements CanOverwriteFiles
16		{
17		const PUBLIC_GRANT_URI = 'http://acs.amazonaws.com/groups/global/AllUsers';
18
19		/**
20		* @var array
21		*/
22		protected static $resultMap = [
23		'Body' => 'contents',
24		'ContentLength' => 'size',
25		'ContentType' => 'mimetype',
26		'Size' => 'size',
27		'Metadata' => 'metadata',
28		'StorageClass' => 'storageclass',
29		'ETag' => 'etag',
30		];
31
32		/**
33		* @var array
34		*/
35		protected static $metaOptions = [
36		'ACL',
37		'CacheControl',
38		'ContentDisposition',
39		'ContentEncoding',
40		'ContentLength',
41		'ContentType',
42		'Expires',
43		'GrantFullControl',
44		'GrantRead',
45		'GrantReadACP',
46		'GrantWriteACP',
47		'Metadata',
48		'RequestPayer',
49		'SSECustomerAlgorithm',
50		'SSECustomerKey',
51		'SSECustomerKeyMD5',
52		'SSEKMSKeyId',
53		'ServerSideEncryption',
54		'StorageClass',
55		'Tagging',
56		'WebsiteRedirectLocation',
57		];
58
59		/**
60		* @var S3Client
61		*/
62		protected $s3Client;
63
64		/**
65		* @var string
66		*/
67		protected $bucket;
68
69		/**
70		* @var array
71		*/
72		protected $options = [];
73
74		/**
75		* Constructor.
76		*
77		* @param S3Client $client
78		* @param string $bucket
79		* @param string $prefix
80		* @param array $options
81		*/
82	72	public function __construct(S3Client $client, $bucket, $prefix = '', array $options = [])
83		{
84	72	$this->s3Client = $client;
85	72	$this->bucket = $bucket;
86	72	$this->setPathPrefix($prefix);
87	72	$this->options = $options;
88	72	}
89
90		/**
91		* Get the S3Client bucket.
92		*
93		* @return string
94		*/
95	4	public function getBucket()
96		{
97	4	return $this->bucket;
98		}
99
100		/**
101		* Set the S3Client bucket.
102		*
103		* @return string
104		*/
105	2	public function setBucket($bucket)
106		{
107	2	$this->bucket = $bucket;
108	2	}
109
110		/**
111		* Get the S3Client instance.
112		*
113		* @return S3Client
114		*/
115	2	public function getClient()
116		{
117	2	return $this->s3Client;
118		}
119
120		/**
121		* Write a new file.
122		*
123		* @param string $path
124		* @param string $contents
125		* @param Config $config Config object
126		*
127		* @return false\|array false on failure file meta data on success
128		*/
129	2	public function write($path, $contents, Config $config)
130		{
131	2	return $this->upload($path, $contents, $config);
132		}
133
134		/**
135		* Update a file.
136		*
137		* @param string $path
138		* @param string $contents
139		* @param Config $config Config object
140		*
141		* @return false\|array false on failure file meta data on success
142		*/
143	2	public function update($path, $contents, Config $config)
144		{
145	2	return $this->upload($path, $contents, $config);
146		}
147
148		/**
149		* Rename a file.
150		*
151		* @param string $path
152		* @param string $newpath
153		*
154		* @return bool
155		*/
156	4	public function rename($path, $newpath)
157		{
158	4	if ( ! $this->copy($path, $newpath)) {
159	2	return false;
160		}
161
162	2	return $this->delete($path);
163		}
164
165		/**
166		* Delete a file.
167		*
168		* @param string $path
169		*
170		* @return bool
171		*/
172	4	public function delete($path)
173		{
174	4	$location = $this->applyPathPrefix($path);
175
176	4	$command = $this->s3Client->getCommand(
177	4	'deleteObject',
178		[
179	4	'Bucket' => $this->bucket,
180	4	'Key' => $location,
181		]
182		);
183
184	4	$this->s3Client->execute($command);
185
186	4	return ! $this->has($path);
187		}
188
189		/**
190		* Delete a directory.
191		*
192		* @param string $dirname
193		*
194		* @return bool
195		*/
196	4	public function deleteDir($dirname)
197		{
198		try {
199	4	$prefix = $this->applyPathPrefix($dirname) . '/';
200	4	$this->s3Client->deleteMatchingObjects($this->bucket, $prefix);
201	2	} catch (DeleteMultipleObjectsException $exception) {
202	2	return false;
203		}
204
205	2	return true;
206		}
207
208		/**
209		* Create a directory.
210		*
211		* @param string $dirname directory name
212		* @param Config $config
213		*
214		* @return bool\|array
215		*/
216	2	public function createDir($dirname, Config $config)
217		{
218	2	return $this->upload($dirname . '/', '', $config);
219		}
220
221		/**
222		* Check whether a file exists.
223		*
224		* @param string $path
225		*
226		* @return bool
227		*/
228	12	public function has($path)
229		{
230	12	$location = $this->applyPathPrefix($path);
231
232	12	if ($this->s3Client->doesObjectExist($this->bucket, $location, $this->options)) {
233	2	return true;
234		}
235
236	10	return $this->doesDirectoryExist($location);
237		}
238
239		/**
240		* Read a file.
241		*
242		* @param string $path
243		*
244		* @return false\|array
245		*/
246	4	public function read($path)
247		{
248	4	$response = $this->readObject($path);
249
250	4	if ($response !== false) {
251	2	$response['contents'] = $response['contents']->getContents();
252		}
253
254	4	return $response;
255		}
256
257		/**
258		* List contents of a directory.
259		*
260		* @param string $directory
261		* @param bool $recursive
262		*
263		* @return array
264		*/
265	2	public function listContents($directory = '', $recursive = false)
266		{
267	2	$prefix = $this->applyPathPrefix(rtrim($directory, '/') . '/');
268	2	$options = ['Bucket' => $this->bucket, 'Prefix' => ltrim($prefix, '/')];
269
270	2	if ($recursive === false) {
271	2	$options['Delimiter'] = '/';
272		}
273
274	2	$listing = $this->retrievePaginatedListing($options);
275	2	$normalizer = [$this, 'normalizeResponse'];
276	2	$normalized = array_map($normalizer, $listing);
277
278	2	return Util::emulateDirectories($normalized);
279		}
280
281		/**
282		* @param array $options
283		*
284		* @return array
285		*/
286	2	protected function retrievePaginatedListing(array $options)
287		{
288	2	$resultPaginator = $this->s3Client->getPaginator('ListObjects', $options);
289	2	$listing = [];
290
291	2	foreach ($resultPaginator as $result) {
292		$listing = array_merge($listing, $result->get('Contents') ?: [], $result->get('CommonPrefixes') ?: []);
293		}
294
295	2	return $listing;
296		}
297
298		/**
299		* Get all the meta data of a file or directory.
300		*
301		* @param string $path
302		*
303		* @return false\|array
304		*/
305	12	public function getMetadata($path)
306		{
307	12	$command = $this->s3Client->getCommand(
308	12	'headObject',
309		[
310	12	'Bucket' => $this->bucket,
311	12	'Key' => $this->applyPathPrefix($path),
312	12	] + $this->options
313		);
314
315		/* @var Result $result */
316		try {
317	12	$result = $this->s3Client->execute($command);
318	4	} catch (S3Exception $exception) {
319	4	$response = $exception->getResponse();
320
321	4	if ($response !== null && $response->getStatusCode() === 404) {
322	2	return false;
323		}
324
325	2	throw $exception;
326		}
327
328	8	return $this->normalizeResponse($result->toArray(), $path);
329		}
330
331		/**
332		* Get all the meta data of a file or directory.
333		*
334		* @param string $path
335		*
336		* @return false\|array
337		*/
338	2	public function getSize($path)
339		{
340	2	return $this->getMetadata($path);
341		}
342
343		/**
344		* Get the mimetype of a file.
345		*
346		* @param string $path
347		*
348		* @return false\|array
349		*/
350	2	public function getMimetype($path)
351		{
352	2	return $this->getMetadata($path);
353		}
354
355		/**
356		* Get the timestamp of a file.
357		*
358		* @param string $path
359		*
360		* @return false\|array
361		*/
362	2	public function getTimestamp($path)
363		{
364	2	return $this->getMetadata($path);
365		}
366
367		/**
368		* Write a new file using a stream.
369		*
370		* @param string $path
371		* @param resource $resource
372		* @param Config $config Config object
373		*
374		* @return array\|false false on failure file meta data on success
375		*/
376	2	public function writeStream($path, $resource, Config $config)
377		{
378	2	return $this->upload($path, $resource, $config);
379		}
380
381		/**
382		* Update a file using a stream.
383		*
384		* @param string $path
385		* @param resource $resource
386		* @param Config $config Config object
387		*
388		* @return array\|false false on failure file meta data on success
389		*/
390	2	public function updateStream($path, $resource, Config $config)
391		{
392	2	return $this->upload($path, $resource, $config);
393		}
394
395		/**
396		* Copy a file.
397		*
398		* @param string $path
399		* @param string $newpath
400		*
401		* @return bool
402		*/
403	8	public function copy($path, $newpath)
404		{
405	8	$command = $this->s3Client->getCommand(
406	8	'copyObject',
407		[
408	8	'Bucket' => $this->bucket,
409	8	'Key' => $this->applyPathPrefix($newpath),
410	8	'CopySource' => urlencode($this->bucket . '/' . $this->applyPathPrefix($path)),
411	8	'ACL' => $this->getRawVisibility($path) === AdapterInterface::VISIBILITY_PUBLIC
412	8	? 'public-read' : 'private',
413	8	] + $this->options
414		);
415
416		try {
417	8	$this->s3Client->execute($command);
418	4	} catch (S3Exception $e) {
419	4	return false;
420		}
421
422	4	return true;
423		}
424
425		/**
426		* Read a file as a stream.
427		*
428		* @param string $path
429		*
430		* @return array\|false
431		*/
432	4	public function readStream($path)
433		{
434	4	$response = $this->readObject($path);
435
436	4	if ($response !== false) {
437	4	$response['stream'] = $response['contents']->detach();
438	4	unset($response['contents']);
439		}
440
441	4	return $response;
442		}
443
444		/**
445		* Read an object and normalize the response.
446		*
447		* @param $path
448		*
449		* @return array\|bool
450		*/
451	8	protected function readObject($path)
452		{
453		$options = [
454	8	'Bucket' => $this->bucket,
455	8	'Key' => $this->applyPathPrefix($path),
456		];
457
458	8	if (isset($this->options['@http'])) {
459	2	$options['@http'] = $this->options['@http'];
460		}
461
462	8	$command = $this->s3Client->getCommand('getObject', $options + $this->options);
463
464		try {
465		/** @var Result $response */
466	8	$response = $this->s3Client->execute($command);
467	2	} catch (S3Exception $e) {
468	2	return false;
469		}
470
471	6	return $this->normalizeResponse($response->toArray(), $path);
472		}
473
474		/**
475		* Set the visibility for a file.
476		*
477		* @param string $path
478		* @param string $visibility
479		*
480		* @return array\|false file meta data
481		*/
482	6	public function setVisibility($path, $visibility)
483		{
484	6	$command = $this->s3Client->getCommand(
485	6	'putObjectAcl',
486		[
487	6	'Bucket' => $this->bucket,
488	6	'Key' => $this->applyPathPrefix($path),
489	6	'ACL' => $visibility === AdapterInterface::VISIBILITY_PUBLIC ? 'public-read' : 'private',
490		]
491		);
492
493		try {
494	6	$this->s3Client->execute($command);
495	2	} catch (S3Exception $exception) {
496	2	return false;
497		}
498
499	4	return compact('path', 'visibility');
500		}
501
502		/**
503		* Get the visibility of a file.
504		*
505		* @param string $path
506		*
507		* @return array\|false
508		*/
509	4	public function getVisibility($path)
510		{
511	4	return ['visibility' => $this->getRawVisibility($path)];
512		}
513
514		/**
515		* {@inheritdoc}
516		*/
517	64	public function applyPathPrefix($path)
518		{
519	64	return ltrim(parent::applyPathPrefix($path), '/');
520		}
521
522		/**
523		* {@inheritdoc}
524		*/
525	72	public function setPathPrefix($prefix)
526		{
527	72	$prefix = ltrim($prefix, '/');
528
529	72	return parent::setPathPrefix($prefix);
530		}
531
532		/**
533		* Get the object acl presented as a visibility.
534		*
535		* @param string $path
536		*
537		* @return string
538		*/
539	12	protected function getRawVisibility($path)
540		{
541	12	$command = $this->s3Client->getCommand(
542	12	'getObjectAcl',
543		[
544	12	'Bucket' => $this->bucket,
545	12	'Key' => $this->applyPathPrefix($path),
546		]
547		);
548
549	12	$result = $this->s3Client->execute($command);
550	12	$visibility = AdapterInterface::VISIBILITY_PRIVATE;
551
552	12	foreach ($result->get('Grants') as $grant) {
553		if (
554	2	isset($grant['Grantee']['URI'])
555	2	&& $grant['Grantee']['URI'] === self::PUBLIC_GRANT_URI
556	2	&& $grant['Permission'] === 'READ'
557		) {
558	2	$visibility = AdapterInterface::VISIBILITY_PUBLIC;
559	2	break;
560		}
561		}
562
563	12	return $visibility;
564		}
565
566		/**
567		* Upload an object.
568		*
569		* @param $path
570		* @param $body
571		* @param Config $config
572		*
573		* @return array
574		*/
575	10	protected function upload($path, $body, Config $config)
576		{
577	10	$key = $this->applyPathPrefix($path);
578	10	$options = $this->getOptionsFromConfig($config);
579	10	$acl = array_key_exists('ACL', $options) ? $options['ACL'] : 'private';
580
581	10	if ( ! isset($options['ContentType'])) {
582	2	$options['ContentType'] = Util::guessMimeType($path, $body);
583		}
584
585	10	if ( ! isset($options['ContentLength'])) {
586	10	$options['ContentLength'] = is_string($body) ? Util::contentSize($body) : Util::getStreamSize($body);
587		}
588
589	10	if ($options['ContentLength'] === null) {
590		unset($options['ContentLength']);
591		}
592
593	10	$this->s3Client->upload($this->bucket, $key, $body, $acl, ['params' => $options]);
594
595	10	return $this->normalizeResponse($options, $key);
596		}
597
598		/**
599		* Get options from the config.
600		*
601		* @param Config $config
602		*
603		* @return array
604		*/
605	10	protected function getOptionsFromConfig(Config $config)
606		{
607	10	$options = $this->options;
608
609	10	if ($visibility = $config->get('visibility')) {
610		// For local reference
611	8	$options['visibility'] = $visibility;
612		// For external reference
613	8	$options['ACL'] = $visibility === AdapterInterface::VISIBILITY_PUBLIC ? 'public-read' : 'private';
614		}
615
616	10	if ($mimetype = $config->get('mimetype')) {
617		// For local reference
618	8	$options['mimetype'] = $mimetype;
619		// For external reference
620	8	$options['ContentType'] = $mimetype;
621		}
622
623	10	foreach (static::$metaOptions as $option) {
624	10	if ( ! $config->has($option)) {
625	10	continue;
626		}
627	8	$options[$option] = $config->get($option);
628		}
629
630	10	return $options;
631		}
632
633		/**
634		* Normalize the object result array.
635		*
636		* @param array $response
637		* @param string $path
638		*
639		* @return array
640		*/
641	24	protected function normalizeResponse(array $response, $path = null)
642		{
643		$result = [
644	24	'path' => $path ?: $this->removePathPrefix(
645	24	isset($response['Key']) ? $response['Key'] : $response['Prefix']
646		),
647		];
648	24	$result = array_merge($result, Util::pathinfo($result['path']));
649
650	24	if (isset($response['LastModified'])) {
651	14	$result['timestamp'] = strtotime($response['LastModified']);
652		}
653
654	24	if (substr($result['path'], -1) === '/') {
655	2	$result['type'] = 'dir';
656	2	$result['path'] = rtrim($result['path'], '/');
657
658	2	return $result;
659		}
660
661	22	return array_merge($result, Util::map($response, static::$resultMap), ['type' => 'file']);
662		}
663
664		/**
665		* @param $location
666		*
667		* @return bool
668		*/
669	10	protected function doesDirectoryExist($location)
670		{
671		// Maybe this isn't an actual key, but a prefix.
672		// Do a prefix listing of objects to determine.
673	10	$command = $this->s3Client->getCommand(
674	10	'listObjects',
675		[
676	10	'Bucket' => $this->bucket,
677	10	'Prefix' => rtrim($location, '/') . '/',
678	10	'MaxKeys' => 1,
679		]
680		);
681
682		try {
683	10	$result = $this->s3Client->execute($command);
684
685	6	return $result['Contents'] \|\| $result['CommonPrefixes'];
686	4	} catch (S3Exception $e) {
687	4	if ($e->getStatusCode() === 403) {
688	2	return false;
689		}
690
691	2	throw $e;
692		}
693		}
694		}
695

thephpleague / flysystem-aws-s3-v3

Push — feature/etag-in-metadata ( 93724b )

AwsS3Adapter::getTimestamp() A

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