ProcessedFile::getPublicUrl() - Code Metrics - Inspection of "[BUGFIX] Make login loading text always readable" - TYPO3/TYPO3.CMS - Measure and Improve Code Quality continuously with Scrutinizer

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created 2020-11-14 19:38 UTC

ProcessedFile::getPublicUrl() A

↳ Parent: ProcessedFile

Complexity

Conditions	4
Paths	4

Size

Total Lines	12
Code Lines	7

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
eloc	7
c	0
b	0
f	0
dl	0
loc	12
rs	10
cc	4
nc	4
nop	1

<?php

/*
 * This file is part of the TYPO3 CMS project.
 *
 * It is free software; you can redistribute it and/or modify it under
 * the terms of the GNU General Public License, either version 2
 * of the License, or any later version.
 *
 * For the full copyright and license information, please read the
 * LICENSE.txt file that was distributed with this source code.
 *
 * The TYPO3 project - inspiring people to share!
 */

namespace TYPO3\CMS\Core\Resource;

use TYPO3\CMS\Core\Resource\Processing\TaskTypeRegistry;
use TYPO3\CMS\Core\Utility\GeneralUtility;
use TYPO3\CMS\Core\Utility\MathUtility;

/**
 * Representation of a specific processed version of a file. These are created by the FileProcessingService,
 * which in turn uses helper classes for doing the actual file processing. See there for a detailed description.
 *
 * Objects of this class may be freshly created during runtime or being fetched from the database. The latter
 * indicates that the file has been processed earlier and was then cached.
 *
 * Each processed file—besides belonging to one file—has been created for a certain task (context) and
 * configuration. All these won't change during the lifetime of a processed file; the only thing
 * that can change is the original file, or rather it's contents. In that case, the processed file has to
 * be processed again. Detecting this is done via comparing the current SHA1 hash of the original file against
 * the one it had at the time the file was processed.
 * The configuration of a processed file indicates what should be done to the original file to create the
 * processed version. This may include things like cropping, scaling, rotating, flipping or using some special
 * magic.
 * A file may also meet the expectations set in the configuration without any processing. In that case, the
 * ProcessedFile object still exists, but there is no physical file directly linked to it. Instead, it then
 * redirects most method calls to the original file object. The data of these objects are also stored in the
 * database, to indicate that no processing is required. With such files, the identifier and name fields in the
 * database are empty to show this.
 */
class ProcessedFile extends AbstractFile
{
    /*********************************************
     * FILE PROCESSING CONTEXTS
     *********************************************/
    /**
     * Basic processing context to get a processed image with smaller
     * width/height to render a preview
     */
    const CONTEXT_IMAGEPREVIEW = 'Image.Preview';
    /**
     * Standard processing context for the frontend, that was previously
     * in \TYPO3\CMS\Frontend\ContentObject\ContentObjectRenderer::getImgResource which only takes cropping, masking and scaling
     * into account
     */
    const CONTEXT_IMAGECROPSCALEMASK = 'Image.CropScaleMask';

    /**
     * Processing context, i.e. the type of processing done
     *
     * @var string
     */
    protected $taskType;

    /**
     * @var Processing\TaskInterface
     */
    protected $task;

    /**
     * @var Processing\TaskTypeRegistry
     */
    protected $taskTypeRegistry;

    /**
     * Processing configuration
     *
     * @var array
     */
    protected $processingConfiguration;

    /**
     * Reference to the original file this processed file has been created from.
     *
     * @var File
     */
    protected $originalFile;

    /**
     * The SHA1 hash of the original file this processed version has been created for.
     * Is used for detecting changes if the original file has been changed and thus
     * we have to recreate this processed file.
     *
     * @var string
     */
    protected $originalFileSha1;

    /**
     * A flag that shows if this object has been updated during its lifetime, i.e. the file has been
     * replaced with a new one.
     *
     * @var bool
     */
    protected $updated = false;

    /**
     * If this is set, this URL is used as public URL
     * This MUST be a fully qualified URL including host
     *
     * @var string
     */
    protected $processingUrl = '';

    /**
     * Constructor for a processed file object. Should normally not be used
     * directly, use the corresponding factory methods instead.
     *
     * @param File $originalFile
     * @param string $taskType
     * @param array $processingConfiguration
     * @param array $databaseRow
     */
    public function __construct(File $originalFile, $taskType, array $processingConfiguration, array $databaseRow = null)
    {
        $this->originalFile = $originalFile;
        $this->originalFileSha1 = $this->originalFile->getSha1();
        $this->storage = $originalFile->getStorage()->getProcessingFolder()->getStorage();
        $this->taskType = $taskType;
        $this->processingConfiguration = $processingConfiguration;
        if (is_array($databaseRow)) {
            $this->reconstituteFromDatabaseRecord($databaseRow);
        }
        $this->taskTypeRegistry = GeneralUtility::makeInstance(TaskTypeRegistry::class);
    }

    /**
     * Creates a ProcessedFile object from a database record.
     *
     * @param array $databaseRow
     */
    protected function reconstituteFromDatabaseRecord(array $databaseRow)
    {
        $this->taskType = $this->taskType ?: $databaseRow['task_type'];
        $this->processingConfiguration = $this->processingConfiguration ?: unserialize($databaseRow['configuration']);

        $this->originalFileSha1 = $databaseRow['originalfilesha1'];
        $this->identifier = $databaseRow['identifier'];
        $this->name = $databaseRow['name'];
        $this->properties = $databaseRow;
        $this->processingUrl = $databaseRow['processing_url'] ?? '';

        if (!empty($databaseRow['storage']) && (int)$this->storage->getUid() !== (int)$databaseRow['storage']) {
            $this->storage = GeneralUtility::makeInstance(StorageRepository::class)->findByUid($databaseRow['storage']);
        }
    }

    /********************************
     * VARIOUS FILE PROPERTY GETTERS
     ********************************/

    /**
     * Returns a unique checksum for this file's processing configuration and original file.
     *
     * @return string
     */
    // @todo replace these usages with direct calls to the task object
    public function calculateChecksum()
    {
        return $this->getTask()->getConfigurationChecksum();
    }

    /*******************
     * CONTENTS RELATED
     *******************/
    /**
     * Replace the current file contents with the given string
     *
     * @param string $contents The contents to write to the file.
     * @throws \BadMethodCallException
     */
    public function setContents($contents)
    {
        throw new \BadMethodCallException('Setting contents not possible for processed file.', 1305438528);
    }

    /**
     * Injects a local file, which is a processing result into the object.
     *
     * @param string $filePath
     * @throws \RuntimeException
     */
    public function updateWithLocalFile($filePath)
    {
        if (empty($this->identifier)) {
            throw new \RuntimeException('Cannot update original file!', 1350582054);
        }
        $processingFolder = $this->originalFile->getStorage()->getProcessingFolder($this->originalFile);
        $addedFile = $this->storage->updateProcessedFile($filePath, $this, $processingFolder);

        // Update some related properties
        $this->identifier = $addedFile->getIdentifier();
        $this->originalFileSha1 = $this->originalFile->getSha1();
        if ($addedFile instanceof AbstractFile) {

            $this->updateProperties($addedFile->getProperties());
        }
        $this->deleted = false;
        $this->updated = true;
    }

    /*****************************************
     * STORAGE AND MANAGEMENT RELATED METHODS
     *****************************************/
    /**
     * Returns TRUE if this file is indexed
     *
     * @return bool
     */
    public function isIndexed()
    {
        // Processed files are never indexed; instead you might be looking for isPersisted()
        return false;
    }

    /**
     * Checks whether the ProcessedFile already has an entry in sys_file_processedfile table
     *
     * @return bool
     */
    public function isPersisted()
    {
        return is_array($this->properties) && array_key_exists('uid', $this->properties) && $this->properties['uid'] > 0;
    }

    /**
     * Checks whether the ProcessedFile Object is newly created
     *
     * @return bool
     */
    public function isNew()
    {
        return !$this->isPersisted();
    }

    /**
     * Checks whether the object since last reconstitution, and therefore
     * needs persistence again
     *
     * @return bool
     */
    public function isUpdated()
    {
        return $this->updated;
    }

    /**
     * Sets a new file name
     *
     * @param string $name
     */
    public function setName($name)
    {
        // Remove the existing file, but only we actually have a name or the name has changed
        if (!empty($this->name) && $this->name !== $name && $this->exists()) {
            $this->delete();
        }

        $this->name = $name;
        // @todo this is a *weird* hack that will fail if the storage is non-hierarchical!
        $this->identifier = $this->storage->getProcessingFolder($this->originalFile)->getIdentifier() . $this->name;

        $this->updated = true;
    }

    /**
     * Checks if this file exists.
     * Since the original file may reside in a different storage
     * we ask the original file if it exists in case the processed is representing it
     *
     * @return bool TRUE if this file physically exists
     */
    public function exists()
    {
        if ($this->usesOriginalFile()) {
            return $this->originalFile->exists();
        }

        return parent::exists();
    }

    /******************
     * SPECIAL METHODS
     ******************/

    /**
     * Returns TRUE if this file is already processed.
     *
     * @return bool
     */
    public function isProcessed()
    {
        return $this->updated || ($this->isPersisted() && !$this->needsReprocessing());
    }

    /**
     * Getter for the Original, unprocessed File
     *
     * @return File
     */
    public function getOriginalFile()
    {
        return $this->originalFile;
    }

    /**
     * Get the identifier of the file
     *
     * If there is no processed file in the file system  (as the original file did not have to be modified e.g.
     * when the original image is in the boundaries of the maxW/maxH stuff), then just return the identifier of
     * the original file
     *
     * @return string
     */
    public function getIdentifier()
    {
        return (!$this->usesOriginalFile()) ? $this->identifier : $this->getOriginalFile()->getIdentifier();
    }

    /**
     * Get the name of the file
     *
     * If there is no processed file in the file system (as the original file did not have to be modified e.g.
     * when the original image is in the boundaries of the maxW/maxH stuff)
     * then just return the name of the original file
     *
     * @return string
     */
    public function getName()
    {
        if ($this->usesOriginalFile()) {
            return $this->originalFile->getName();
        }
        return $this->name;
    }

    /**
     * Updates properties of this object. Do not use this to reconstitute an object from the database; use
     * reconstituteFromDatabaseRecord() instead!
     *
     * @param array $properties
     */
    public function updateProperties(array $properties)
    {
        if (!is_array($this->properties)) {

            $this->properties = [];
        }

        if (array_key_exists('uid', $properties) && MathUtility::canBeInterpretedAsInteger($properties['uid'])) {
            $this->properties['uid'] = $properties['uid'];
        }
        if (isset($properties['processing_url'])) {
            $this->processingUrl = $properties['processing_url'];
        }

        // @todo we should have a blacklist of properties that might not be updated
        $this->properties = array_merge($this->properties, $properties);

        // @todo when should this update be done?
        if (!$this->isUnchanged() && $this->exists()) {
            $this->properties = array_merge($this->properties, $this->storage->getFileInfo($this));
        }
    }

    /**
     * Basic array function for the DB update
     *
     * @return array
     */
    public function toArray()
    {
        if ($this->usesOriginalFile()) {
            $properties = $this->originalFile->getProperties();
            unset($properties['uid']);
            $properties['identifier'] = '';
            $properties['name'] = null;
            $properties['processing_url'] = '';

            // Use width + height set in processed file
            $properties['width'] = $this->properties['width'];
            $properties['height'] = $this->properties['height'];
        } else {
            $properties = $this->properties;
            $properties['identifier'] = $this->getIdentifier();
            $properties['name'] = $this->getName();
        }

        $properties['configuration'] = serialize($this->processingConfiguration);

        return array_merge($properties, [
            'storage' => $this->getStorage()->getUid(),
            'checksum' => $this->calculateChecksum(),
            'task_type' => $this->taskType,
            'configurationsha1' => sha1($properties['configuration']),
            'original' => $this->originalFile->getUid(),
            'originalfilesha1' => $this->originalFileSha1
        ]);
    }

    /**
     * Returns TRUE if this file has not been changed during processing (i.e., we just deliver the original file)
     *
     * @return bool
     */
    protected function isUnchanged()
    {
        return !$this->properties['width'] && $this->usesOriginalFile();
    }

    /**
     * Defines that the original file should be used.
     */
    public function setUsesOriginalFile()
    {
        // @todo check if some of these properties can/should be set in a generic update method
        $this->identifier = $this->originalFile->getIdentifier();
        $this->updated = true;
        $this->processingUrl = '';
        $this->originalFileSha1 = $this->originalFile->getSha1();
    }

    public function updateProcessingUrl(string $url): void
    {
        $this->updated = true;
        $this->processingUrl = $url;
    }

    /**
     * @return bool
     */
    public function usesOriginalFile()
    {
        return empty($this->identifier) || $this->identifier === $this->originalFile->getIdentifier();
    }

    /**
     * Returns TRUE if the original file of this file changed and the file should be processed again.
     *
     * @return bool
     */
    public function isOutdated()
    {
        return $this->needsReprocessing();
    }

    /**
     * Delete processed file
     *
     * @param bool $force
     * @return bool
     */
    public function delete($force = false)
    {
        if (!$force && $this->isUnchanged()) {
            return false;
        }
        // Only delete file when original isn't used
        if (!$this->usesOriginalFile()) {
            return parent::delete();
        }
        return true;
    }

    /**
     * Getter for file-properties
     *
     * @param string $key
     *
     * @return mixed
     */
    public function getProperty($key)
    {
        // The uid always (!) has to come from this file and never the original file (see getOriginalFile() to get this)
        if ($this->isUnchanged() && $key !== 'uid') {
            return $this->originalFile->getProperty($key);
        }
        return $this->properties[$key];
    }

    /**
     * Returns the uid of this file
     *
     * @return int
     */
    public function getUid()
    {
        return $this->properties['uid'];
    }

    /**
     * Checks if the ProcessedFile needs reprocessing
     *
     * @return bool
     */
    public function needsReprocessing()
    {
        $fileMustBeRecreated = false;

        // if original is missing we can not reprocess the file
        if ($this->originalFile->isMissing()) {
            return false;
        }

        // processedFile does not exist
        if (!$this->usesOriginalFile() && !$this->exists()) {
            $fileMustBeRecreated = true;
        }

        // hash does not match
        if (array_key_exists('checksum', $this->properties) && $this->calculateChecksum() !== $this->properties['checksum']) {
            $fileMustBeRecreated = true;
        }

        // original file changed
        if ($this->originalFile->getSha1() !== $this->originalFileSha1) {
            $fileMustBeRecreated = true;
        }

        if (!array_key_exists('uid', $this->properties)) {
            $fileMustBeRecreated = true;
        }

        // remove outdated file
        if ($fileMustBeRecreated && $this->exists()) {
            $this->delete();
        }
        return $fileMustBeRecreated;
    }

    /**
     * Returns the processing information
     *
     * @return array
     */
    public function getProcessingConfiguration()
    {
        return $this->processingConfiguration;
    }

    /**
     * Getter for the task identifier.
     *
     * @return string
     */
    public function getTaskIdentifier()
    {
        return $this->taskType;
    }

    /**
     * Returns the task object associated with this processed file.
     *
     * @return Processing\TaskInterface
     * @throws \RuntimeException
     */
    public function getTask(): Processing\TaskInterface
    {
        if ($this->task === null) {
            $this->task = $this->taskTypeRegistry->getTaskForType($this->taskType, $this, $this->processingConfiguration);
        }

        return $this->task;
    }

    /**
     * Generate the name of of the new File
     *
     * @return string
     */
    public function generateProcessedFileNameWithoutExtension()
    {
        $name = $this->originalFile->getNameWithoutExtension();
        $name .= '_' . $this->originalFile->getUid();
        $name .= '_' . $this->calculateChecksum();

        return $name;
    }

    /**
     * Returns a publicly accessible URL for this file
     *
     * @param bool $relativeToCurrentScript Determines whether the URL returned should be relative to the current script, in case it is relative at all
     * @return string|null NULL if file is deleted, the generated URL otherwise
     */
    public function getPublicUrl($relativeToCurrentScript = false)
    {
        if ($this->processingUrl) {
            return $this->processingUrl;
        }
        if ($this->deleted) {
            return null;
        }
        if ($this->usesOriginalFile()) {
            return $this->getOriginalFile()->getPublicUrl($relativeToCurrentScript);
        }
        return $this->getStorage()->getPublicUrl($this, $relativeToCurrentScript);
    }
}


1			<?php
2
3			/*
4			* This file is part of the TYPO3 CMS project.
5			*
6			* It is free software; you can redistribute it and/or modify it under
7			* the terms of the GNU General Public License, either version 2
8			* of the License, or any later version.
9			*
10			* For the full copyright and license information, please read the
11			* LICENSE.txt file that was distributed with this source code.
12			*
13			* The TYPO3 project - inspiring people to share!
14			*/
15
16			namespace TYPO3\CMS\Core\Resource;
17
18			use TYPO3\CMS\Core\Resource\Processing\TaskTypeRegistry;
19			use TYPO3\CMS\Core\Utility\GeneralUtility;
20			use TYPO3\CMS\Core\Utility\MathUtility;
21
22			/**
23			* Representation of a specific processed version of a file. These are created by the FileProcessingService,
24			* which in turn uses helper classes for doing the actual file processing. See there for a detailed description.
25			*
26			* Objects of this class may be freshly created during runtime or being fetched from the database. The latter
27			* indicates that the file has been processed earlier and was then cached.
28			*
29			* Each processed file—besides belonging to one file—has been created for a certain task (context) and
30			* configuration. All these won't change during the lifetime of a processed file; the only thing
31			* that can change is the original file, or rather it's contents. In that case, the processed file has to
32			* be processed again. Detecting this is done via comparing the current SHA1 hash of the original file against
33			* the one it had at the time the file was processed.
34			* The configuration of a processed file indicates what should be done to the original file to create the
35			* processed version. This may include things like cropping, scaling, rotating, flipping or using some special
36			* magic.
37			* A file may also meet the expectations set in the configuration without any processing. In that case, the
38			* ProcessedFile object still exists, but there is no physical file directly linked to it. Instead, it then
39			* redirects most method calls to the original file object. The data of these objects are also stored in the
40			* database, to indicate that no processing is required. With such files, the identifier and name fields in the
41			* database are empty to show this.
42			*/
43			class ProcessedFile extends AbstractFile
44			{
45			/*********************************************
46			* FILE PROCESSING CONTEXTS
47			*********************************************/
48			/**
49			* Basic processing context to get a processed image with smaller
50			* width/height to render a preview
51			*/
52			const CONTEXT_IMAGEPREVIEW = 'Image.Preview';
53			/**
54			* Standard processing context for the frontend, that was previously
55			* in \TYPO3\CMS\Frontend\ContentObject\ContentObjectRenderer::getImgResource which only takes cropping, masking and scaling
56			* into account
57			*/
58			const CONTEXT_IMAGECROPSCALEMASK = 'Image.CropScaleMask';
59
60			/**
61			* Processing context, i.e. the type of processing done
62			*
63			* @var string
64			*/
65			protected $taskType;
66
67			/**
68			* @var Processing\TaskInterface
69			*/
70			protected $task;
71
72			/**
73			* @var Processing\TaskTypeRegistry
74			*/
75			protected $taskTypeRegistry;
76
77			/**
78			* Processing configuration
79			*
80			* @var array
81			*/
82			protected $processingConfiguration;
83
84			/**
85			* Reference to the original file this processed file has been created from.
86			*
87			* @var File
88			*/
89			protected $originalFile;
90
91			/**
92			* The SHA1 hash of the original file this processed version has been created for.
93			* Is used for detecting changes if the original file has been changed and thus
94			* we have to recreate this processed file.
95			*
96			* @var string
97			*/
98			protected $originalFileSha1;
99
100			/**
101			* A flag that shows if this object has been updated during its lifetime, i.e. the file has been
102			* replaced with a new one.
103			*
104			* @var bool
105			*/
106			protected $updated = false;
107
108			/**
109			* If this is set, this URL is used as public URL
110			* This MUST be a fully qualified URL including host
111			*
112			* @var string
113			*/
114			protected $processingUrl = '';
115
116			/**
117			* Constructor for a processed file object. Should normally not be used
118			* directly, use the corresponding factory methods instead.
119			*
120			* @param File $originalFile
121			* @param string $taskType
122			* @param array $processingConfiguration
123			* @param array $databaseRow
124			*/
125			public function __construct(File $originalFile, $taskType, array $processingConfiguration, array $databaseRow = null)
126			{
127			$this->originalFile = $originalFile;
128			$this->originalFileSha1 = $this->originalFile->getSha1();
129			$this->storage = $originalFile->getStorage()->getProcessingFolder()->getStorage();
130			$this->taskType = $taskType;
131			$this->processingConfiguration = $processingConfiguration;
132			if (is_array($databaseRow)) {
133			$this->reconstituteFromDatabaseRecord($databaseRow);
134			}
135			$this->taskTypeRegistry = GeneralUtility::makeInstance(TaskTypeRegistry::class);
136			}
137
138			/**
139			* Creates a ProcessedFile object from a database record.
140			*
141			* @param array $databaseRow
142			*/
143			protected function reconstituteFromDatabaseRecord(array $databaseRow)
144			{
145			$this->taskType = $this->taskType ?: $databaseRow['task_type'];
146			$this->processingConfiguration = $this->processingConfiguration ?: unserialize($databaseRow['configuration']);
147
148			$this->originalFileSha1 = $databaseRow['originalfilesha1'];
149			$this->identifier = $databaseRow['identifier'];
150			$this->name = $databaseRow['name'];
151			$this->properties = $databaseRow;
152			$this->processingUrl = $databaseRow['processing_url'] ?? '';
153
154			if (!empty($databaseRow['storage']) && (int)$this->storage->getUid() !== (int)$databaseRow['storage']) {
155			$this->storage = GeneralUtility::makeInstance(StorageRepository::class)->findByUid($databaseRow['storage']);
156			}
157			}
158
159			/********************************
160			* VARIOUS FILE PROPERTY GETTERS
161			********************************/
162
163			/**
164			* Returns a unique checksum for this file's processing configuration and original file.
165			*
166			* @return string
167			*/
168			// @todo replace these usages with direct calls to the task object
169			public function calculateChecksum()
170			{
171			return $this->getTask()->getConfigurationChecksum();
172			}
173
174			/*******************
175			* CONTENTS RELATED
176			*******************/
177			/**
178			* Replace the current file contents with the given string
179			*
180			* @param string $contents The contents to write to the file.
181			* @throws \BadMethodCallException
182			*/
183			public function setContents($contents)
184			{
185			throw new \BadMethodCallException('Setting contents not possible for processed file.', 1305438528);
186			}
187
188			/**
189			* Injects a local file, which is a processing result into the object.
190			*
191			* @param string $filePath
192			* @throws \RuntimeException
193			*/
194			public function updateWithLocalFile($filePath)
195			{
196			if (empty($this->identifier)) {
197			throw new \RuntimeException('Cannot update original file!', 1350582054);
198			}
199			$processingFolder = $this->originalFile->getStorage()->getProcessingFolder($this->originalFile);
200			$addedFile = $this->storage->updateProcessedFile($filePath, $this, $processingFolder);
201
202			// Update some related properties
203			$this->identifier = $addedFile->getIdentifier();
204			$this->originalFileSha1 = $this->originalFile->getSha1();
205			if ($addedFile instanceof AbstractFile) {
			0 ignored issues – show introduced 2018-10-20 09:04 UTC by Report Bug Copy Issue Report `$addedFile` is always a sub-type of `TYPO3\CMS\Core\Resource\AbstractFile`. Loading history...
206			$this->updateProperties($addedFile->getProperties());
207			}
208			$this->deleted = false;
209			$this->updated = true;
210			}
211
212			/*****************************************
213			* STORAGE AND MANAGEMENT RELATED METHODS
214			*****************************************/
215			/**
216			* Returns TRUE if this file is indexed
217			*
218			* @return bool
219			*/
220			public function isIndexed()
221			{
222			// Processed files are never indexed; instead you might be looking for isPersisted()
223			return false;
224			}
225
226			/**
227			* Checks whether the ProcessedFile already has an entry in sys_file_processedfile table
228			*
229			* @return bool
230			*/
231			public function isPersisted()
232			{
233			return is_array($this->properties) && array_key_exists('uid', $this->properties) && $this->properties['uid'] > 0;
234			}
235
236			/**
237			* Checks whether the ProcessedFile Object is newly created
238			*
239			* @return bool
240			*/
241			public function isNew()
242			{
243			return !$this->isPersisted();
244			}
245
246			/**
247			* Checks whether the object since last reconstitution, and therefore
248			* needs persistence again
249			*
250			* @return bool
251			*/
252			public function isUpdated()
253			{
254			return $this->updated;
255			}
256
257			/**
258			* Sets a new file name
259			*
260			* @param string $name
261			*/
262			public function setName($name)
263			{
264			// Remove the existing file, but only we actually have a name or the name has changed
265			if (!empty($this->name) && $this->name !== $name && $this->exists()) {
266			$this->delete();
267			}
268
269			$this->name = $name;
270			// @todo this is a weird hack that will fail if the storage is non-hierarchical!
271			$this->identifier = $this->storage->getProcessingFolder($this->originalFile)->getIdentifier() . $this->name;
272
273			$this->updated = true;
274			}
275
276			/**
277			* Checks if this file exists.
278			* Since the original file may reside in a different storage
279			* we ask the original file if it exists in case the processed is representing it
280			*
281			* @return bool TRUE if this file physically exists
282			*/
283			public function exists()
284			{
285			if ($this->usesOriginalFile()) {
286			return $this->originalFile->exists();
287			}
288
289			return parent::exists();
290			}
291
292			/******************
293			* SPECIAL METHODS
294			******************/
295
296			/**
297			* Returns TRUE if this file is already processed.
298			*
299			* @return bool
300			*/
301			public function isProcessed()
302			{
303			return $this->updated \|\| ($this->isPersisted() && !$this->needsReprocessing());
304			}
305
306			/**
307			* Getter for the Original, unprocessed File
308			*
309			* @return File
310			*/
311			public function getOriginalFile()
312			{
313			return $this->originalFile;
314			}
315
316			/**
317			* Get the identifier of the file
318			*
319			* If there is no processed file in the file system (as the original file did not have to be modified e.g.
320			* when the original image is in the boundaries of the maxW/maxH stuff), then just return the identifier of
321			* the original file
322			*
323			* @return string
324			*/
325			public function getIdentifier()
326			{
327			return (!$this->usesOriginalFile()) ? $this->identifier : $this->getOriginalFile()->getIdentifier();
328			}
329
330			/**
331			* Get the name of the file
332			*
333			* If there is no processed file in the file system (as the original file did not have to be modified e.g.
334			* when the original image is in the boundaries of the maxW/maxH stuff)
335			* then just return the name of the original file
336			*
337			* @return string
338			*/
339			public function getName()
340			{
341			if ($this->usesOriginalFile()) {
342			return $this->originalFile->getName();
343			}
344			return $this->name;
345			}
346
347			/**
348			* Updates properties of this object. Do not use this to reconstitute an object from the database; use
349			* reconstituteFromDatabaseRecord() instead!
350			*
351			* @param array $properties
352			*/
353			public function updateProperties(array $properties)
354			{
355			if (!is_array($this->properties)) {
			0 ignored issues – show introduced 2018-10-20 09:04 UTC by Report Bug Copy Issue Report The condition `is_array($this->properties)` is always `true`. Loading history...
356			$this->properties = [];
357			}
358
359			if (array_key_exists('uid', $properties) && MathUtility::canBeInterpretedAsInteger($properties['uid'])) {
360			$this->properties['uid'] = $properties['uid'];
361			}
362			if (isset($properties['processing_url'])) {
363			$this->processingUrl = $properties['processing_url'];
364			}
365
366			// @todo we should have a blacklist of properties that might not be updated
367			$this->properties = array_merge($this->properties, $properties);
368
369			// @todo when should this update be done?
370			if (!$this->isUnchanged() && $this->exists()) {
371			$this->properties = array_merge($this->properties, $this->storage->getFileInfo($this));
372			}
373			}
374
375			/**
376			* Basic array function for the DB update
377			*
378			* @return array
379			*/
380			public function toArray()
381			{
382			if ($this->usesOriginalFile()) {
383			$properties = $this->originalFile->getProperties();
384			unset($properties['uid']);
385			$properties['identifier'] = '';
386			$properties['name'] = null;
387			$properties['processing_url'] = '';
388
389			// Use width + height set in processed file
390			$properties['width'] = $this->properties['width'];
391			$properties['height'] = $this->properties['height'];
392			} else {
393			$properties = $this->properties;
394			$properties['identifier'] = $this->getIdentifier();
395			$properties['name'] = $this->getName();
396			}
397
398			$properties['configuration'] = serialize($this->processingConfiguration);
399
400			return array_merge($properties, [
401			'storage' => $this->getStorage()->getUid(),
402			'checksum' => $this->calculateChecksum(),
403			'task_type' => $this->taskType,
404			'configurationsha1' => sha1($properties['configuration']),
405			'original' => $this->originalFile->getUid(),
406			'originalfilesha1' => $this->originalFileSha1
407			]);
408			}
409
410			/**
411			* Returns TRUE if this file has not been changed during processing (i.e., we just deliver the original file)
412			*
413			* @return bool
414			*/
415			protected function isUnchanged()
416			{
417			return !$this->properties['width'] && $this->usesOriginalFile();
418			}
419
420			/**
421			* Defines that the original file should be used.
422			*/
423			public function setUsesOriginalFile()
424			{
425			// @todo check if some of these properties can/should be set in a generic update method
426			$this->identifier = $this->originalFile->getIdentifier();
427			$this->updated = true;
428			$this->processingUrl = '';
429			$this->originalFileSha1 = $this->originalFile->getSha1();
430			}
431
432			public function updateProcessingUrl(string $url): void
433			{
434			$this->updated = true;
435			$this->processingUrl = $url;
436			}
437
438			/**
439			* @return bool
440			*/
441			public function usesOriginalFile()
442			{
443			return empty($this->identifier) \|\| $this->identifier === $this->originalFile->getIdentifier();
444			}
445
446			/**
447			* Returns TRUE if the original file of this file changed and the file should be processed again.
448			*
449			* @return bool
450			*/
451			public function isOutdated()
452			{
453			return $this->needsReprocessing();
454			}
455
456			/**
457			* Delete processed file
458			*
459			* @param bool $force
460			* @return bool
461			*/
462			public function delete($force = false)
463			{
464			if (!$force && $this->isUnchanged()) {
465			return false;
466			}
467			// Only delete file when original isn't used
468			if (!$this->usesOriginalFile()) {
469			return parent::delete();
470			}
471			return true;
472			}
473
474			/**
475			* Getter for file-properties
476			*
477			* @param string $key
478			*
479			* @return mixed
480			*/
481			public function getProperty($key)
482			{
483			// The uid always (!) has to come from this file and never the original file (see getOriginalFile() to get this)
484			if ($this->isUnchanged() && $key !== 'uid') {
485			return $this->originalFile->getProperty($key);
486			}
487			return $this->properties[$key];
488			}
489
490			/**
491			* Returns the uid of this file
492			*
493			* @return int
494			*/
495			public function getUid()
496			{
497			return $this->properties['uid'];
498			}
499
500			/**
501			* Checks if the ProcessedFile needs reprocessing
502			*
503			* @return bool
504			*/
505			public function needsReprocessing()
506			{
507			$fileMustBeRecreated = false;
508
509			// if original is missing we can not reprocess the file
510			if ($this->originalFile->isMissing()) {
511			return false;
512			}
513
514			// processedFile does not exist
515			if (!$this->usesOriginalFile() && !$this->exists()) {
516			$fileMustBeRecreated = true;
517			}
518
519			// hash does not match
520			if (array_key_exists('checksum', $this->properties) && $this->calculateChecksum() !== $this->properties['checksum']) {
521			$fileMustBeRecreated = true;
522			}
523
524			// original file changed
525			if ($this->originalFile->getSha1() !== $this->originalFileSha1) {
526			$fileMustBeRecreated = true;
527			}
528
529			if (!array_key_exists('uid', $this->properties)) {
530			$fileMustBeRecreated = true;
531			}
532
533			// remove outdated file
534			if ($fileMustBeRecreated && $this->exists()) {
535			$this->delete();
536			}
537			return $fileMustBeRecreated;
538			}
539
540			/**
541			* Returns the processing information
542			*
543			* @return array
544			*/
545			public function getProcessingConfiguration()
546			{
547			return $this->processingConfiguration;
548			}
549
550			/**
551			* Getter for the task identifier.
552			*
553			* @return string
554			*/
555			public function getTaskIdentifier()
556			{
557			return $this->taskType;
558			}
559
560			/**
561			* Returns the task object associated with this processed file.
562			*
563			* @return Processing\TaskInterface
564			* @throws \RuntimeException
565			*/
566			public function getTask(): Processing\TaskInterface
567			{
568			if ($this->task === null) {
569			$this->task = $this->taskTypeRegistry->getTaskForType($this->taskType, $this, $this->processingConfiguration);
570			}
571
572			return $this->task;
573			}
574
575			/**
576			* Generate the name of of the new File
577			*
578			* @return string
579			*/
580			public function generateProcessedFileNameWithoutExtension()
581			{
582			$name = $this->originalFile->getNameWithoutExtension();
583			$name .= '_' . $this->originalFile->getUid();
584			$name .= '_' . $this->calculateChecksum();
585
586			return $name;
587			}
588
589			/**
590			* Returns a publicly accessible URL for this file
591			*
592			* @param bool $relativeToCurrentScript Determines whether the URL returned should be relative to the current script, in case it is relative at all
593			* @return string\|null NULL if file is deleted, the generated URL otherwise
594			*/
595			public function getPublicUrl($relativeToCurrentScript = false)
596			{
597			if ($this->processingUrl) {
598			return $this->processingUrl;
599			}
600			if ($this->deleted) {
601			return null;
602			}
603			if ($this->usesOriginalFile()) {
604			return $this->getOriginalFile()->getPublicUrl($relativeToCurrentScript);
605			}
606			return $this->getStorage()->getPublicUrl($this, $relativeToCurrentScript);
607			}
608			}
609

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