ZipHelper::createZip() - Code Metrics - Inspection of "Inject ZipHelper through constructor (#437)" - box/spout - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — develop_3.0 ( 762dd1...30366e )

by Adrien

created 2017-05-30 13:19 UTC

ZipHelper::createZip() A

↳ Parent: ZipHelper

Complexity

Conditions	1
Paths	1

Size

Total Lines	9
Code Lines	5

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	5
CRAP Score	1

Importance

Changes

Metric	Value
dl	0
loc	9
ccs	5
cts	5
cp	1
rs	9.6666
c	0
b	0
f	0
cc	1
eloc	5
nc	1
nop	1
crap	1

<?php

namespace Box\Spout\Writer\Common\Helper;

/**
 * Class ZipHelper
 * This class provides helper functions to create zip files
 *
 * @package Box\Spout\Writer\Common\Helper
 */
class ZipHelper
{
    const ZIP_EXTENSION = '.zip';

    /** Controls what to do when trying to add an existing file */
    const EXISTING_FILES_SKIP = 'skip';
    const EXISTING_FILES_OVERWRITE = 'overwrite';

    /**
     * Returns a new ZipArchive instance pointing at the given path.
     *
     * @param string $tmpFolderPath Path of the temp folder where the zip file will be created
     * @return \ZipArchive
     */
    public function createZip($tmpFolderPath)
    {
        $zip = new \ZipArchive();
        $zipFilePath = $tmpFolderPath . self::ZIP_EXTENSION;

        $zip->open($zipFilePath, \ZipArchive::CREATE|\ZipArchive::OVERWRITE);

        return $zip;
    }

    /**
     * @param \ZipArchive $zip An opened zip archive object
     * @return string Path where the zip file of the given folder will be created
     */
    public function getZipFilePath(\ZipArchive $zip)
    {
        return $zip->filename;
    }

    /**
     * Adds the given file, located under the given root folder to the archive.
     * The file will be compressed.
     *
     * Example of use:
     *   addFileToArchive($zip, '/tmp/xlsx/foo', 'bar/baz.xml');
     *   => will add the file located at '/tmp/xlsx/foo/bar/baz.xml' in the archive, but only as 'bar/baz.xml'
     *
     * @param \ZipArchive $zip An opened zip archive object
     * @param string $rootFolderPath Path of the root folder that will be ignored in the archive tree.
     * @param string $localFilePath Path of the file to be added, under the root folder
     * @param string|void $existingFileMode Controls what to do when trying to add an existing file
     * @return void
     */
    public function addFileToArchive($zip, $rootFolderPath, $localFilePath, $existingFileMode = self::EXISTING_FILES_OVERWRITE)
    {
        $this->addFileToArchiveWithCompressionMethod(
            $zip,
            $rootFolderPath,
            $localFilePath,
            $existingFileMode,
            \ZipArchive::CM_DEFAULT
        );
    }

    /**
     * Adds the given file, located under the given root folder to the archive.
     * The file will NOT be compressed.
     *
     * Example of use:
     *   addUncompressedFileToArchive($zip, '/tmp/xlsx/foo', 'bar/baz.xml');
     *   => will add the file located at '/tmp/xlsx/foo/bar/baz.xml' in the archive, but only as 'bar/baz.xml'
     *
     * @param \ZipArchive $zip An opened zip archive object
     * @param string $rootFolderPath Path of the root folder that will be ignored in the archive tree.
     * @param string $localFilePath Path of the file to be added, under the root folder
     * @param string|void $existingFileMode Controls what to do when trying to add an existing file
     * @return void
     */
    public function addUncompressedFileToArchive($zip, $rootFolderPath, $localFilePath, $existingFileMode = self::EXISTING_FILES_OVERWRITE)
    {
        $this->addFileToArchiveWithCompressionMethod(
            $zip,
            $rootFolderPath,
            $localFilePath,
            $existingFileMode,
            \ZipArchive::CM_STORE
        );
    }

    /**
     * Adds the given file, located under the given root folder to the archive.
     * The file will NOT be compressed.
     *
     * Example of use:
     *   addUncompressedFileToArchive($zip, '/tmp/xlsx/foo', 'bar/baz.xml');
     *   => will add the file located at '/tmp/xlsx/foo/bar/baz.xml' in the archive, but only as 'bar/baz.xml'
     *
     * @param \ZipArchive $zip An opened zip archive object
     * @param string $rootFolderPath Path of the root folder that will be ignored in the archive tree.
     * @param string $localFilePath Path of the file to be added, under the root folder
     * @param string $existingFileMode Controls what to do when trying to add an existing file
     * @param int $compressionMethod The compression method
     * @return void
     */
    protected function addFileToArchiveWithCompressionMethod($zip, $rootFolderPath, $localFilePath, $existingFileMode, $compressionMethod)
    {
        if (!$this->shouldSkipFile($zip, $localFilePath, $existingFileMode)) {
            $normalizedFullFilePath = $this->getNormalizedRealPath($rootFolderPath . '/' . $localFilePath);
            $zip->addFile($normalizedFullFilePath, $localFilePath);

            if (self::canChooseCompressionMethod()) {
                $zip->setCompressionName($localFilePath, $compressionMethod);
            }
        }
    }

    /**
     * @return bool Whether it is possible to choose the desired compression method to be used
     */
    public static function canChooseCompressionMethod()
    {
        // setCompressionName() is a PHP7+ method...
        return (method_exists(new \ZipArchive(), 'setCompressionName'));
    }

    /**
     * @param \ZipArchive $zip An opened zip archive object
     * @param string $folderPath Path to the folder to be zipped
     * @param string|void $existingFileMode Controls what to do when trying to add an existing file
     * @return void
     */
    public function addFolderToArchive($zip, $folderPath, $existingFileMode = self::EXISTING_FILES_OVERWRITE)
    {
        $folderRealPath = $this->getNormalizedRealPath($folderPath) . '/';
        $itemIterator = new \RecursiveIteratorIterator(new \RecursiveDirectoryIterator($folderPath, \RecursiveDirectoryIterator::SKIP_DOTS), \RecursiveIteratorIterator::SELF_FIRST);

        foreach ($itemIterator as $itemInfo) {
            $itemRealPath = $this->getNormalizedRealPath($itemInfo->getPathname());
            $itemLocalPath = str_replace($folderRealPath, '', $itemRealPath);

            if ($itemInfo->isFile() && !$this->shouldSkipFile($zip, $itemLocalPath, $existingFileMode)) {
                $zip->addFile($itemRealPath, $itemLocalPath);
            }
        }
    }

    /**
     * @param \ZipArchive $zip
     * @param string $itemLocalPath
     * @param string $existingFileMode
     * @return bool Whether the file should be added to the archive or skipped
     */
    protected function shouldSkipFile($zip, $itemLocalPath, $existingFileMode)
    {
        // Skip files if:
        //   - EXISTING_FILES_SKIP mode chosen
        //   - File already exists in the archive
        return ($existingFileMode === self::EXISTING_FILES_SKIP && $zip->locateName($itemLocalPath) !== false);
    }

    /**
     * Returns canonicalized absolute pathname, containing only forward slashes.
     *
     * @param string $path Path to normalize
     * @return string Normalized and canonicalized path
     */
    protected function getNormalizedRealPath($path)
    {
        $realPath = realpath($path);
        return str_replace(DIRECTORY_SEPARATOR, '/', $realPath);
    }

    /**
     * Closes the archive and copies it into the given stream
     *
     * @param \ZipArchive $zip An opened zip archive object
     * @param resource $streamPointer Pointer to the stream to copy the zip
     * @return void
     */
    public function closeArchiveAndCopyToStream($zip, $streamPointer)
    {
        $zipFilePath = $zip->filename;
        $zip->close();

        $this->copyZipToStream($zipFilePath, $streamPointer);
    }

    /**
     * Streams the contents of the zip file into the given stream
     *
     * @param string $zipFilePath Path of the zip file
     * @param resource $pointer Pointer to the stream to copy the zip
     * @return void
     */
    protected function copyZipToStream($zipFilePath, $pointer)
    {
        $zipFilePointer = fopen($zipFilePath, 'r');
        stream_copy_to_stream($zipFilePointer, $pointer);
        fclose($zipFilePointer);
    }
}


1		<?php
2
3		namespace Box\Spout\Writer\Common\Helper;
4
5		/**
6		* Class ZipHelper
7		* This class provides helper functions to create zip files
8		*
9		* @package Box\Spout\Writer\Common\Helper
10		*/
11		class ZipHelper
12		{
13		const ZIP_EXTENSION = '.zip';
14
15		/** Controls what to do when trying to add an existing file */
16		const EXISTING_FILES_SKIP = 'skip';
17		const EXISTING_FILES_OVERWRITE = 'overwrite';
18
19		/**
20		* Returns a new ZipArchive instance pointing at the given path.
21		*
22		* @param string $tmpFolderPath Path of the temp folder where the zip file will be created
23		* @return \ZipArchive
24		*/
25	70	public function createZip($tmpFolderPath)
26		{
27	70	$zip = new \ZipArchive();
28	70	$zipFilePath = $tmpFolderPath . self::ZIP_EXTENSION;
29
30	70	$zip->open($zipFilePath, \ZipArchive::CREATE\|\ZipArchive::OVERWRITE);
31
32	70	return $zip;
33		}
34
35		/**
36		* @param \ZipArchive $zip An opened zip archive object
37		* @return string Path where the zip file of the given folder will be created
38		*/
39	70	public function getZipFilePath(\ZipArchive $zip)
40		{
41	70	return $zip->filename;
42		}
43
44		/**
45		* Adds the given file, located under the given root folder to the archive.
46		* The file will be compressed.
47		*
48		* Example of use:
49		* addFileToArchive($zip, '/tmp/xlsx/foo', 'bar/baz.xml');
50		* => will add the file located at '/tmp/xlsx/foo/bar/baz.xml' in the archive, but only as 'bar/baz.xml'
51		*
52		* @param \ZipArchive $zip An opened zip archive object
53		* @param string $rootFolderPath Path of the root folder that will be ignored in the archive tree.
54		* @param string $localFilePath Path of the file to be added, under the root folder
55		* @param string\|void $existingFileMode Controls what to do when trying to add an existing file
56		* @return void
57		*/
58	36	public function addFileToArchive($zip, $rootFolderPath, $localFilePath, $existingFileMode = self::EXISTING_FILES_OVERWRITE)
59		{
60	36	$this->addFileToArchiveWithCompressionMethod(
61		$zip,
62		$rootFolderPath,
63		$localFilePath,
64		$existingFileMode,
65	36	\ZipArchive::CM_DEFAULT
66		);
67	36	}
68
69		/**
70		* Adds the given file, located under the given root folder to the archive.
71		* The file will NOT be compressed.
72		*
73		* Example of use:
74		* addUncompressedFileToArchive($zip, '/tmp/xlsx/foo', 'bar/baz.xml');
75		* => will add the file located at '/tmp/xlsx/foo/bar/baz.xml' in the archive, but only as 'bar/baz.xml'
76		*
77		* @param \ZipArchive $zip An opened zip archive object
78		* @param string $rootFolderPath Path of the root folder that will be ignored in the archive tree.
79		* @param string $localFilePath Path of the file to be added, under the root folder
80		* @param string\|void $existingFileMode Controls what to do when trying to add an existing file
81		* @return void
82		*/
83	34	public function addUncompressedFileToArchive($zip, $rootFolderPath, $localFilePath, $existingFileMode = self::EXISTING_FILES_OVERWRITE)
84		{
85	34	$this->addFileToArchiveWithCompressionMethod(
86		$zip,
87		$rootFolderPath,
88		$localFilePath,
89		$existingFileMode,
90	34	\ZipArchive::CM_STORE
91		);
92	34	}
93
94		/**
95		* Adds the given file, located under the given root folder to the archive.
96		* The file will NOT be compressed.
97		*
98		* Example of use:
99		* addUncompressedFileToArchive($zip, '/tmp/xlsx/foo', 'bar/baz.xml');
100		* => will add the file located at '/tmp/xlsx/foo/bar/baz.xml' in the archive, but only as 'bar/baz.xml'
101		*
102		* @param \ZipArchive $zip An opened zip archive object
103		* @param string $rootFolderPath Path of the root folder that will be ignored in the archive tree.
104		* @param string $localFilePath Path of the file to be added, under the root folder
105		* @param string $existingFileMode Controls what to do when trying to add an existing file
106		* @param int $compressionMethod The compression method
107		* @return void
108		*/
109	70	protected function addFileToArchiveWithCompressionMethod($zip, $rootFolderPath, $localFilePath, $existingFileMode, $compressionMethod)
110		{
111	70	if (!$this->shouldSkipFile($zip, $localFilePath, $existingFileMode)) {
112	70	$normalizedFullFilePath = $this->getNormalizedRealPath($rootFolderPath . '/' . $localFilePath);
113	70	$zip->addFile($normalizedFullFilePath, $localFilePath);
114
115	70	if (self::canChooseCompressionMethod()) {
116	70	$zip->setCompressionName($localFilePath, $compressionMethod);
117		}
118		}
119	70	}
120
121		/**
122		* @return bool Whether it is possible to choose the desired compression method to be used
123		*/
124	70	public static function canChooseCompressionMethod()
125		{
126		// setCompressionName() is a PHP7+ method...
127	70	return (method_exists(new \ZipArchive(), 'setCompressionName'));
128		}
129
130		/**
131		* @param \ZipArchive $zip An opened zip archive object
132		* @param string $folderPath Path to the folder to be zipped
133		* @param string\|void $existingFileMode Controls what to do when trying to add an existing file
134		* @return void
135		*/
136	70	public function addFolderToArchive($zip, $folderPath, $existingFileMode = self::EXISTING_FILES_OVERWRITE)
137		{
138	70	$folderRealPath = $this->getNormalizedRealPath($folderPath) . '/';
139	70	$itemIterator = new \RecursiveIteratorIterator(new \RecursiveDirectoryIterator($folderPath, \RecursiveDirectoryIterator::SKIP_DOTS), \RecursiveIteratorIterator::SELF_FIRST);
140
141	70	foreach ($itemIterator as $itemInfo) {
142	70	$itemRealPath = $this->getNormalizedRealPath($itemInfo->getPathname());
143	70	$itemLocalPath = str_replace($folderRealPath, '', $itemRealPath);
144
145	70	if ($itemInfo->isFile() && !$this->shouldSkipFile($zip, $itemLocalPath, $existingFileMode)) {
146	70	$zip->addFile($itemRealPath, $itemLocalPath);
147		}
148		}
149	70	}
150
151		/**
152		* @param \ZipArchive $zip
153		* @param string $itemLocalPath
154		* @param string $existingFileMode
155		* @return bool Whether the file should be added to the archive or skipped
156		*/
157	70	protected function shouldSkipFile($zip, $itemLocalPath, $existingFileMode)
158		{
159		// Skip files if:
160		// - EXISTING_FILES_SKIP mode chosen
161		// - File already exists in the archive
162	70	return ($existingFileMode === self::EXISTING_FILES_SKIP && $zip->locateName($itemLocalPath) !== false);
163		}
164
165		/**
166		* Returns canonicalized absolute pathname, containing only forward slashes.
167		*
168		* @param string $path Path to normalize
169		* @return string Normalized and canonicalized path
170		*/
171	70	protected function getNormalizedRealPath($path)
172		{
173	70	$realPath = realpath($path);
174	70	return str_replace(DIRECTORY_SEPARATOR, '/', $realPath);
175		}
176
177		/**
178		* Closes the archive and copies it into the given stream
179		*
180		* @param \ZipArchive $zip An opened zip archive object
181		* @param resource $streamPointer Pointer to the stream to copy the zip
182		* @return void
183		*/
184	70	public function closeArchiveAndCopyToStream($zip, $streamPointer)
185		{
186	70	$zipFilePath = $zip->filename;
187	70	$zip->close();
188
189	70	$this->copyZipToStream($zipFilePath, $streamPointer);
190	70	}
191
192		/**
193		* Streams the contents of the zip file into the given stream
194		*
195		* @param string $zipFilePath Path of the zip file
196		* @param resource $pointer Pointer to the stream to copy the zip
197		* @return void
198		*/
199	70	protected function copyZipToStream($zipFilePath, $pointer)
200		{
201	70	$zipFilePointer = fopen($zipFilePath, 'r');
202	70	stream_copy_to_stream($zipFilePointer, $pointer);
203	70	fclose($zipFilePointer);
204	70	}
205		}
206

box / spout

Push — develop_3.0 ( 762dd1...30366e )

ZipHelper::createZip() A

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