Server::setCache() - Code Metrics - Inspection of "Update lock file for new version." - thephpleague/glide - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( f36c89...5d71f2 )

by Jonathan

created 2016-08-19 20:49 UTC

Server::setCache() A

↳ Parent: Server

Complexity

Conditions	1
Paths	1

Size

Total Lines	4
Code Lines	2

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	3
CRAP Score	1

Importance

Changes	3
Bugs	0	Features	1

Metric	Value
c	3
b	0
f	1
dl	0
loc	4
ccs	3
cts	3
cp	1
rs	10
cc	1
eloc	2
nc	1
nop	1
crap	1

<?php

namespace League\Glide;

use InvalidArgumentException;
use League\Flysystem\FileExistsException;
use League\Flysystem\FilesystemInterface;
use League\Glide\Api\ApiInterface;
use League\Glide\Filesystem\FileNotFoundException;
use League\Glide\Filesystem\FilesystemException;
use League\Glide\Responses\ResponseFactoryInterface;

class Server
{
    /**
     * Source file system.
     * @var FilesystemInterface
     */
    protected $source;

    /**
     * Source path prefix.
     * @var string
     */
    protected $sourcePathPrefix;

    /**
     * Cache file system.
     * @var FilesystemInterface
     */
    protected $cache;

    /**
     * Cache path prefix.
     * @var string
     */
    protected $cachePathPrefix;

    /**
     * Whether to group cache in folders.
     * @var bool
     */
    protected $groupCacheInFolders = true;

    /**
     * Whether to cache with file extensions.
     * @var bool
     */
    protected $cacheWithFileExtensions = false;

    /**
     * Image manipulation API.
     * @var ApiInterface
     */
    protected $api;

    /**
     * Response factory.
     * @var ResponseFactoryInterface|null
     */
    protected $responseFactory;

    /**
     * Base URL.
     * @var string
     */
    protected $baseUrl;

    /**
     * Default image manipulations.
     * @var array
     */
    protected $defaults = [];

    /**
     * Preset image manipulations.
     * @var array
     */
    protected $presets = [];

    /**
     * Create Server instance.
     * @param FilesystemInterface $source Source file system.
     * @param FilesystemInterface $cache  Cache file system.
     * @param ApiInterface        $api    Image manipulation API.
     */
    public function __construct(FilesystemInterface $source, FilesystemInterface $cache, ApiInterface $api)
    {
        $this->setSource($source);
        $this->setCache($cache);
        $this->setApi($api);
    }

    /**
     * Set source file system.
     * @param FilesystemInterface $source Source file system.
     */
    public function setSource(FilesystemInterface $source)
    {
        $this->source = $source;
    }

    /**
     * Get source file system.
     * @return FilesystemInterface Source file system.
     */
    public function getSource()
    {
        return $this->source;
    }

    /**
     * Set source path prefix.
     * @param string $sourcePathPrefix Source path prefix.
     */
    public function setSourcePathPrefix($sourcePathPrefix)
    {
        $this->sourcePathPrefix = trim($sourcePathPrefix, '/');
    }

    /**
     * Get source path prefix.
     * @return string Source path prefix.
     */
    public function getSourcePathPrefix()
    {
        return $this->sourcePathPrefix;
    }

    /**
     * Get source path.
     * @param  string                $path Image path.
     * @return string                The source path.
     * @throws FileNotFoundException
     */
    public function getSourcePath($path)
    {
        $path = trim($path, '/');

        if (substr($path, 0, strlen($this->baseUrl)) === $this->baseUrl) {
            $path = trim(substr($path, strlen($this->baseUrl)), '/');
        }

        if ($path === '') {
            throw new FileNotFoundException('Image path missing.');
        }

        if ($this->sourcePathPrefix) {
            $path = $this->sourcePathPrefix.'/'.$path;
        }

        return rawurldecode($path);
    }

    /**
     * Check if a source file exists.
     * @param  string $path Image path.
     * @return bool   Whether the source file exists.
     */
    public function sourceFileExists($path)
    {
        return $this->source->has($this->getSourcePath($path));
    }

    /**
     * Set base URL.
     * @param string $baseUrl Base URL.
     */
    public function setBaseUrl($baseUrl)
    {
        $this->baseUrl = trim($baseUrl, '/');
    }

    /**
     * Get base URL.
     * @return string Base URL.
     */
    public function getBaseUrl()
    {
        return $this->baseUrl;
    }

    /**
     * Set cache file system.
     * @param FilesystemInterface $cache Cache file system.
     */
    public function setCache(FilesystemInterface $cache)
    {
        $this->cache = $cache;
    }

    /**
     * Get cache file system.
     * @return FilesystemInterface Cache file system.
     */
    public function getCache()
    {
        return $this->cache;
    }

    /**
     * Set cache path prefix.
     * @param string $cachePathPrefix Cache path prefix.
     */
    public function setCachePathPrefix($cachePathPrefix)
    {
        $this->cachePathPrefix = trim($cachePathPrefix, '/');
    }

    /**
     * Get cache path prefix.
     * @return string Cache path prefix.
     */
    public function getCachePathPrefix()
    {
        return $this->cachePathPrefix;
    }

    /**
     * Set the group cache in folders setting.
     * @param bool $groupCacheInFolders Whether to group cache in folders.
     */
    public function setGroupCacheInFolders($groupCacheInFolders)
    {
        $this->groupCacheInFolders = $groupCacheInFolders;
    }

    /**
     * Get the group cache in folders setting.
     * @return bool Whether to group cache in folders.
     */
    public function getGroupCacheInFolders()
    {
        return $this->groupCacheInFolders;
    }

    /**
     * Set the cache with file extensions setting.
     * @param bool $cacheWithFileExtensions Whether to cache with file extensions.
     */
    public function setCacheWithFileExtensions($cacheWithFileExtensions)
    {
        $this->cacheWithFileExtensions = $cacheWithFileExtensions;
    }

    /**
     * Get the cache with file extensions setting.
     * @return bool Whether to cache with file extensions.
     */
    public function getCacheWithFileExtensions()
    {
        return $this->cacheWithFileExtensions;
    }

    /**
     * Get cache path.
     * @param  string $path   Image path.
     * @param  array  $params Image manipulation params.
     * @return string Cache path.
     */
    public function getCachePath($path, array $params = [])
    {
        $sourcePath = $this->getSourcePath($path);

        if ($this->sourcePathPrefix) {
            $sourcePath = substr($sourcePath, strlen($this->sourcePathPrefix) + 1);
        }

        $params = $this->getAllParams($params);
        unset($params['s'], $params['p']);
        ksort($params);

        $md5 = md5($sourcePath.'?'.http_build_query($params));

        $cachedPath = $this->groupCacheInFolders ? $sourcePath.'/'.$md5 : $md5;

        if ($this->cachePathPrefix) {
            $cachedPath = $this->cachePathPrefix.'/'.$cachedPath;
        }
        
        if ($this->cacheWithFileExtensions) {
            $cachedPath .= '.'.(isset($params['fm']) ? $params['fm'] : pathinfo($path)['extension']);
        }

        return $cachedPath;
    }

    /**
     * Check if a cache file exists.
     * @param  string $path   Image path.
     * @param  array  $params Image manipulation params.
     * @return bool   Whether the cache file exists.
     */
    public function cacheFileExists($path, array $params)
    {
        return $this->cache->has(
            $this->getCachePath($path, $params)
        );
    }

    /**
     * Delete cached manipulations for an image.
     * @param  string $path Image path.
     * @return bool   Whether the delete succeeded.
     */
    public function deleteCache($path)
    {
        if (!$this->groupCacheInFolders) {
            throw new InvalidArgumentException(
                'Deleting cached image manipulations is not possible when grouping cache into folders is disabled.'
            );
        }

        return $this->cache->deleteDir(
            dirname($this->getCachePath($path))
        );
    }

    /**
     * Set image manipulation API.
     * @param ApiInterface $api Image manipulation API.
     */
    public function setApi(ApiInterface $api)
    {
        $this->api = $api;
    }

    /**
     * Get image manipulation API.
     * @return ApiInterface Image manipulation API.
     */
    public function getApi()
    {
        return $this->api;
    }

    /**
     * Set default image manipulations.
     * @param array $defaults Default image manipulations.
     */
    public function setDefaults(array $defaults)
    {
        $this->defaults = $defaults;
    }

    /**
     * Get default image manipulations.
     * @return array Default image manipulations.
     */
    public function getDefaults()
    {
        return $this->defaults;
    }

    /**
     * Set preset image manipulations.
     * @param array $presets Preset image manipulations.
     */
    public function setPresets(array $presets)
    {
        $this->presets = $presets;
    }

    /**
     * Get preset image manipulations.
     * @return array Preset image manipulations.
     */
    public function getPresets()
    {
        return $this->presets;
    }

    /**
     * Get all image manipulations params, including defaults and presets.
     * @param  array $params Image manipulation params.
     * @return array All image manipulation params.
     */
    public function getAllParams(array $params)
    {
        $all = $this->defaults;

        if (isset($params['p'])) {
            foreach (explode(',', $params['p']) as $preset) {
                if (isset($this->presets[$preset])) {
                    $all = array_merge($all, $this->presets[$preset]);
                }
            }
        }

        return array_merge($all, $params);
    }

    /**
     * Set response factory.
     * @param ResponseFactoryInterface|null $responseFactory Response factory.
     */
    public function setResponseFactory(ResponseFactoryInterface $responseFactory = null)
    {
        $this->responseFactory = $responseFactory;
    }

    /**
     * Get response factory.
     * @return ResponseFactoryInterface Response factory.
     */
    public function getResponseFactory()
    {
        return $this->responseFactory;
    }

    /**
     * Generate and return image response.
     * @param  string                   $path   Image path.
     * @param  array                    $params Image manipulation params.
     * @return mixed                    Image response.
     * @throws InvalidArgumentException
     */
    public function getImageResponse($path, array $params)
    {
        if (is_null($this->responseFactory)) {
            throw new InvalidArgumentException(
                'Unable to get image response, no response factory defined.'
            );
        }

        $path = $this->makeImage($path, $params);

        return $this->responseFactory->create($this->cache, $path);
    }

    /**
     * Generate and return Base64 encoded image.
     * @param  string              $path   Image path.
     * @param  array               $params Image manipulation params.
     * @return string              Base64 encoded image.
     * @throws FilesystemException
     */
    public function getImageAsBase64($path, array $params)
    {
        $path = $this->makeImage($path, $params);

        $source = $this->cache->read($path);

        if ($source === false) {
            throw new FilesystemException(
                'Could not read the image `'.$path.'`.'
            );
        }

        return 'data:'.$this->cache->getMimetype($path).';base64,'.base64_encode($source);
    }

    /**
     * Generate and output image.
     * @param  string                   $path   Image path.
     * @param  array                    $params Image manipulation params.
     * @throws InvalidArgumentException
     */
    public function outputImage($path, array $params)
    {
        $path = $this->makeImage($path, $params);

        header('Content-Type:'.$this->cache->getMimetype($path));
        header('Content-Length:'.$this->cache->getSize($path));
        header('Cache-Control:'.'max-age=31536000, public');
        header('Expires:'.date_create('+1 years')->format('D, d M Y H:i:s').' GMT');

        $stream = $this->cache->readStream($path);

        if (ftell($stream) !== 0) {
            rewind($stream);
        }
        fpassthru($stream);
        fclose($stream);
    }

    /**
     * Generate manipulated image.
     * @param  string                $path   Image path.
     * @param  array                 $params Image manipulation params.
     * @return string                Cache path.
     * @throws FileNotFoundException
     * @throws FilesystemException
     */
    public function makeImage($path, array $params)
    {
        $sourcePath = $this->getSourcePath($path);
        $cachedPath = $this->getCachePath($path, $params);

        if ($this->cacheFileExists($path, $params) === true) {
            return $cachedPath;
        }

        if ($this->sourceFileExists($path) === false) {
            throw new FileNotFoundException(
                'Could not find the image `'.$sourcePath.'`.'
            );
        }

        $source = $this->source->read(
            $sourcePath
        );

        if ($source === false) {
            throw new FilesystemException(
                'Could not read the image `'.$sourcePath.'`.'
            );
        }

        // We need to write the image to the local disk before
        // doing any manipulations. This is because EXIF data
        // can only be read from an actual file.
        $tmp = tempnam(sys_get_temp_dir(), 'Glide');

        if (file_put_contents($tmp, $source) === false) {
            throw new FilesystemException(
                'Unable to write temp file for `'.$sourcePath.'`.'
            );
        }

        try {
            $write = $this->cache->write(
                $cachedPath,
                $this->api->run($tmp, $this->getAllParams($params))
            );

            if ($write === false) {
                throw new FilesystemException(
                    'Could not write the image `'.$cachedPath.'`.'
                );
            }
        } catch (FileExistsException $exception) {
            // This edge case occurs when the target already exists
            // because it's currently be written to disk in another
            // request. It's best to just fail silently.
        }

        unlink($tmp);

        return $cachedPath;
    }
}


1		<?php
2
3		namespace League\Glide;
4
5		use InvalidArgumentException;
6		use League\Flysystem\FileExistsException;
7		use League\Flysystem\FilesystemInterface;
8		use League\Glide\Api\ApiInterface;
9		use League\Glide\Filesystem\FileNotFoundException;
10		use League\Glide\Filesystem\FilesystemException;
11		use League\Glide\Responses\ResponseFactoryInterface;
12
13		class Server
14		{
15		/**
16		* Source file system.
17		* @var FilesystemInterface
18		*/
19		protected $source;
20
21		/**
22		* Source path prefix.
23		* @var string
24		*/
25		protected $sourcePathPrefix;
26
27		/**
28		* Cache file system.
29		* @var FilesystemInterface
30		*/
31		protected $cache;
32
33		/**
34		* Cache path prefix.
35		* @var string
36		*/
37		protected $cachePathPrefix;
38
39		/**
40		* Whether to group cache in folders.
41		* @var bool
42		*/
43		protected $groupCacheInFolders = true;
44
45		/**
46		* Whether to cache with file extensions.
47		* @var bool
48		*/
49		protected $cacheWithFileExtensions = false;
50
51		/**
52		* Image manipulation API.
53		* @var ApiInterface
54		*/
55		protected $api;
56
57		/**
58		* Response factory.
59		* @var ResponseFactoryInterface\|null
60		*/
61		protected $responseFactory;
62
63		/**
64		* Base URL.
65		* @var string
66		*/
67		protected $baseUrl;
68
69		/**
70		* Default image manipulations.
71		* @var array
72		*/
73		protected $defaults = [];
74
75		/**
76		* Preset image manipulations.
77		* @var array
78		*/
79		protected $presets = [];
80
81		/**
82		* Create Server instance.
83		* @param FilesystemInterface $source Source file system.
84		* @param FilesystemInterface $cache Cache file system.
85		* @param ApiInterface $api Image manipulation API.
86		*/
87	162	public function __construct(FilesystemInterface $source, FilesystemInterface $cache, ApiInterface $api)
88		{
89	162	$this->setSource($source);
90	162	$this->setCache($cache);
91	162	$this->setApi($api);
92	162	}
93
94		/**
95		* Set source file system.
96		* @param FilesystemInterface $source Source file system.
97		*/
98	162	public function setSource(FilesystemInterface $source)
99		{
100	162	$this->source = $source;
101	162	}
102
103		/**
104		* Get source file system.
105		* @return FilesystemInterface Source file system.
106		*/
107	6	public function getSource()
108		{
109	6	return $this->source;
110		}
111
112		/**
113		* Set source path prefix.
114		* @param string $sourcePathPrefix Source path prefix.
115		*/
116	15	public function setSourcePathPrefix($sourcePathPrefix)
117		{
118	15	$this->sourcePathPrefix = trim($sourcePathPrefix, '/');
119	15	}
120
121		/**
122		* Get source path prefix.
123		* @return string Source path prefix.
124		*/
125	6	public function getSourcePathPrefix()
126		{
127	6	return $this->sourcePathPrefix;
128		}
129
130		/**
131		* Get source path.
132		* @param string $path Image path.
133		* @return string The source path.
134		* @throws FileNotFoundException
135		*/
136	78	public function getSourcePath($path)
137		{
138	78	$path = trim($path, '/');
139
140	78	if (substr($path, 0, strlen($this->baseUrl)) === $this->baseUrl) {
141	3	$path = trim(substr($path, strlen($this->baseUrl)), '/');
142	2	}
143
144	78	if ($path === '') {
145	3	throw new FileNotFoundException('Image path missing.');
146		}
147
148	75	if ($this->sourcePathPrefix) {
149	6	$path = $this->sourcePathPrefix.'/'.$path;
150	4	}
151
152	75	return rawurldecode($path);
153		}
154
155		/**
156		* Check if a source file exists.
157		* @param string $path Image path.
158		* @return bool Whether the source file exists.
159		*/
160	18	public function sourceFileExists($path)
161		{
162	18	return $this->source->has($this->getSourcePath($path));
163		}
164
165		/**
166		* Set base URL.
167		* @param string $baseUrl Base URL.
168		*/
169	12	public function setBaseUrl($baseUrl)
170		{
171	12	$this->baseUrl = trim($baseUrl, '/');
172	12	}
173
174		/**
175		* Get base URL.
176		* @return string Base URL.
177		*/
178	6	public function getBaseUrl()
179		{
180	6	return $this->baseUrl;
181		}
182
183		/**
184		* Set cache file system.
185		* @param FilesystemInterface $cache Cache file system.
186		*/
187	162	public function setCache(FilesystemInterface $cache)
188		{
189	162	$this->cache = $cache;
190	162	}
191
192		/**
193		* Get cache file system.
194		* @return FilesystemInterface Cache file system.
195		*/
196	6	public function getCache()
197		{
198	6	return $this->cache;
199		}
200
201		/**
202		* Set cache path prefix.
203		* @param string $cachePathPrefix Cache path prefix.
204		*/
205	12	public function setCachePathPrefix($cachePathPrefix)
206		{
207	12	$this->cachePathPrefix = trim($cachePathPrefix, '/');
208	12	}
209
210		/**
211		* Get cache path prefix.
212		* @return string Cache path prefix.
213		*/
214	6	public function getCachePathPrefix()
215		{
216	6	return $this->cachePathPrefix;
217		}
218
219		/**
220		* Set the group cache in folders setting.
221		* @param bool $groupCacheInFolders Whether to group cache in folders.
222		*/
223	15	public function setGroupCacheInFolders($groupCacheInFolders)
224		{
225	15	$this->groupCacheInFolders = $groupCacheInFolders;
226	15	}
227
228		/**
229		* Get the group cache in folders setting.
230		* @return bool Whether to group cache in folders.
231		*/
232	6	public function getGroupCacheInFolders()
233		{
234	6	return $this->groupCacheInFolders;
235		}
236
237		/**
238		* Set the cache with file extensions setting.
239		* @param bool $cacheWithFileExtensions Whether to cache with file extensions.
240		*/
241	21	public function setCacheWithFileExtensions($cacheWithFileExtensions)
242		{
243	21	$this->cacheWithFileExtensions = $cacheWithFileExtensions;
244	21	}
245
246		/**
247		* Get the cache with file extensions setting.
248		* @return bool Whether to cache with file extensions.
249		*/
250	6	public function getCacheWithFileExtensions()
251		{
252	6	return $this->cacheWithFileExtensions;
253		}
254
255		/**
256		* Get cache path.
257		* @param string $path Image path.
258		* @param array $params Image manipulation params.
259		* @return string Cache path.
260		*/
261	60	public function getCachePath($path, array $params = [])
262		{
263	60	$sourcePath = $this->getSourcePath($path);
264
265	60	if ($this->sourcePathPrefix) {
266	3	$sourcePath = substr($sourcePath, strlen($this->sourcePathPrefix) + 1);
267	2	}
268
269	60	$params = $this->getAllParams($params);
270	60	unset($params['s'], $params['p']);
271	60	ksort($params);
272
273	60	$md5 = md5($sourcePath.'?'.http_build_query($params));
274
275	60	$cachedPath = $this->groupCacheInFolders ? $sourcePath.'/'.$md5 : $md5;
276
277	60	if ($this->cachePathPrefix) {
278	3	$cachedPath = $this->cachePathPrefix.'/'.$cachedPath;
279	2	}
280
281	60	if ($this->cacheWithFileExtensions) {
282	12	$cachedPath .= '.'.(isset($params['fm']) ? $params['fm'] : pathinfo($path)['extension']);
283	8	}
284
285	60	return $cachedPath;
286		}
287
288		/**
289		* Check if a cache file exists.
290		* @param string $path Image path.
291		* @param array $params Image manipulation params.
292		* @return bool Whether the cache file exists.
293		*/
294	33	public function cacheFileExists($path, array $params)
295		{
296	33	return $this->cache->has(
297	33	$this->getCachePath($path, $params)
298	22	);
299		}
300
301		/**
302		* Delete cached manipulations for an image.
303		* @param string $path Image path.
304		* @return bool Whether the delete succeeded.
305		*/
306	6	public function deleteCache($path)
307		{
308	6	if (!$this->groupCacheInFolders) {
309	3	throw new InvalidArgumentException(
310	1	'Deleting cached image manipulations is not possible when grouping cache into folders is disabled.'
311	2	);
312		}
313
314	3	return $this->cache->deleteDir(
315	3	dirname($this->getCachePath($path))
316	2	);
317		}
318
319		/**
320		* Set image manipulation API.
321		* @param ApiInterface $api Image manipulation API.
322		*/
323	162	public function setApi(ApiInterface $api)
324		{
325	162	$this->api = $api;
326	162	}
327
328		/**
329		* Get image manipulation API.
330		* @return ApiInterface Image manipulation API.
331		*/
332	6	public function getApi()
333		{
334	6	return $this->api;
335		}
336
337		/**
338		* Set default image manipulations.
339		* @param array $defaults Default image manipulations.
340		*/
341	18	public function setDefaults(array $defaults)
342		{
343	18	$this->defaults = $defaults;
344	18	}
345
346		/**
347		* Get default image manipulations.
348		* @return array Default image manipulations.
349		*/
350	6	public function getDefaults()
351		{
352	6	return $this->defaults;
353		}
354
355		/**
356		* Set preset image manipulations.
357		* @param array $presets Preset image manipulations.
358		*/
359	18	public function setPresets(array $presets)
360		{
361	18	$this->presets = $presets;
362	18	}
363
364		/**
365		* Get preset image manipulations.
366		* @return array Preset image manipulations.
367		*/
368	6	public function getPresets()
369		{
370	6	return $this->presets;
371		}
372
373		/**
374		* Get all image manipulations params, including defaults and presets.
375		* @param array $params Image manipulation params.
376		* @return array All image manipulation params.
377		*/
378	63	public function getAllParams(array $params)
379		{
380	63	$all = $this->defaults;
381
382	63	if (isset($params['p'])) {
383	6	foreach (explode(',', $params['p']) as $preset) {
384	6	if (isset($this->presets[$preset])) {
385	6	$all = array_merge($all, $this->presets[$preset]);
386	4	}
387	4	}
388	4	}
389
390	63	return array_merge($all, $params);
391		}
392
393		/**
394		* Set response factory.
395		* @param ResponseFactoryInterface\|null $responseFactory Response factory.
396		*/
397	15	public function setResponseFactory(ResponseFactoryInterface $responseFactory = null)
398		{
399	15	$this->responseFactory = $responseFactory;
400	15	}
401
402		/**
403		* Get response factory.
404		* @return ResponseFactoryInterface Response factory.
405		*/
406	6	public function getResponseFactory()
407		{
408	6	return $this->responseFactory;
409		}
410
411		/**
412		* Generate and return image response.
413		* @param string $path Image path.
414		* @param array $params Image manipulation params.
415		* @return mixed Image response.
416		* @throws InvalidArgumentException
417		*/
418	6	public function getImageResponse($path, array $params)
419		{
420	6	if (is_null($this->responseFactory)) {
421	3	throw new InvalidArgumentException(
422	1	'Unable to get image response, no response factory defined.'
423	2	);
424		}
425
426	3	$path = $this->makeImage($path, $params);
427
428	3	return $this->responseFactory->create($this->cache, $path);
429		}
430
431		/**
432		* Generate and return Base64 encoded image.
433		* @param string $path Image path.
434		* @param array $params Image manipulation params.
435		* @return string Base64 encoded image.
436		* @throws FilesystemException
437		*/
438	6	public function getImageAsBase64($path, array $params)
439		{
440	6	$path = $this->makeImage($path, $params);
441
442	6	$source = $this->cache->read($path);
443
444	6	if ($source === false) {
445	3	throw new FilesystemException(
446	3	'Could not read the image `'.$path.'`.'
447	2	);
448		}
449
450	3	return 'data:'.$this->cache->getMimetype($path).';base64,'.base64_encode($source);
451		}
452
453		/**
454		* Generate and output image.
455		* @param string $path Image path.
456		* @param array $params Image manipulation params.
457		* @throws InvalidArgumentException
458		*/
459	3	public function outputImage($path, array $params)
460		{
461	3	$path = $this->makeImage($path, $params);
462
463	3	header('Content-Type:'.$this->cache->getMimetype($path));
464	3	header('Content-Length:'.$this->cache->getSize($path));
465	3	header('Cache-Control:'.'max-age=31536000, public');
466	3	header('Expires:'.date_create('+1 years')->format('D, d M Y H:i:s').' GMT');
467
468	3	$stream = $this->cache->readStream($path);
469
470	3	if (ftell($stream) !== 0) {
471	3	rewind($stream);
472	2	}
473	3	fpassthru($stream);
474	3	fclose($stream);
475	3	}
476
477		/**
478		* Generate manipulated image.
479		* @param string $path Image path.
480		* @param array $params Image manipulation params.
481		* @return string Cache path.
482		* @throws FileNotFoundException
483		* @throws FilesystemException
484		*/
485	30	public function makeImage($path, array $params)
486		{
487	30	$sourcePath = $this->getSourcePath($path);
488	30	$cachedPath = $this->getCachePath($path, $params);
489
490	30	if ($this->cacheFileExists($path, $params) === true) {
491	15	return $cachedPath;
492		}
493
494	15	if ($this->sourceFileExists($path) === false) {
495	3	throw new FileNotFoundException(
496	3	'Could not find the image `'.$sourcePath.'`.'
497	2	);
498		}
499
500	12	$source = $this->source->read(
501		$sourcePath
502	8	);
503
504	12	if ($source === false) {
505	3	throw new FilesystemException(
506	3	'Could not read the image `'.$sourcePath.'`.'
507	2	);
508		}
509
510		// We need to write the image to the local disk before
511		// doing any manipulations. This is because EXIF data
512		// can only be read from an actual file.
513	9	$tmp = tempnam(sys_get_temp_dir(), 'Glide');
514
515	9	if (file_put_contents($tmp, $source) === false) {
516		throw new FilesystemException(
517		'Unable to write temp file for `'.$sourcePath.'`.'
518		);
519		}
520
521		try {
522	9	$write = $this->cache->write(
523	6	$cachedPath,
524	9	$this->api->run($tmp, $this->getAllParams($params))
525	6	);
526
527	6	if ($write === false) {
528	3	throw new FilesystemException(
529	4	'Could not write the image `'.$cachedPath.'`.'
530	2	);
531		}
532	8	} catch (FileExistsException $exception) {
533		// This edge case occurs when the target already exists
534		// because it's currently be written to disk in another
535		// request. It's best to just fail silently.
536		}
537
538	6	unlink($tmp);
539
540	6	return $cachedPath;
541		}
542		}
543

thephpleague / glide

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Server::setCache() A

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