Passed
Push — master ( 81ac23...a5d5f6 )
by El
03:02
created

DataStore::prependRename()   A

Complexity

Conditions 2
Paths 2

Size

Total Lines 11
Code Lines 7

Duplication

Lines 0
Ratio 0 %

Code Coverage

Tests 8
CRAP Score 2

Importance

Changes 0
Metric Value
dl 0
loc 11
ccs 8
cts 8
cp 1
rs 9.4285
c 0
b 0
f 0
cc 2
eloc 7
nc 2
nop 3
crap 2
1
<?php
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/**
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 * PrivateBin
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 *
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 * a zero-knowledge paste bin
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 *
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 * @link      https://github.com/PrivateBin/PrivateBin
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 * @copyright 2012 Sébastien SAUVAGE (sebsauvage.net)
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 * @license   https://www.opensource.org/licenses/zlib-license.php The zlib/libpng License
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 * @version   1.1
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 */
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namespace PrivateBin\Persistence;
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use Exception;
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use PrivateBin\Json;
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/**
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 * DataStore
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 *
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 * Handles data storage for Data\Filesystem.
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 */
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class DataStore extends AbstractPersistence
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{
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    /**
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     * first line in file, to protect its contents
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     *
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     * @const string
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     */
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    const PROTECTION_LINE = '<?php http_response_code(403); /*';
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    /**
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     * store the data
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     *
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     * @access public
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     * @static
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     * @param  string $filename
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     * @param  array  $data
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     * @return bool
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     */
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    public static function store($filename, $data)
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    {
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        $path = self::getPath();
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        if (strpos($filename, $path) === 0) {
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            $filename = substr($filename, strlen($path));
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        }
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        try {
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            self::_store($filename, self::PROTECTION_LINE . PHP_EOL . Json::encode($data));
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            return true;
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        } catch (Exception $e) {
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            return false;
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        }
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    }
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    /**
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     * get the data
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     *
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     * @access public
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     * @static
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     * @param  string $filename
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     * @return stdClass|false  $data
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     */
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    public static function get($filename)
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    {
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        return json_decode(substr(file_get_contents($filename), strlen(self::PROTECTION_LINE . PHP_EOL)));
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    }
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    /**
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     * rename a file, prepending the protection line at the beginning
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     *
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     * @access public
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     * @static
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     * @param  string $srcFile
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     * @param  string $destFile
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     * @param  string $prefix (optional)
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     * @return void
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     */
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    public static function prependRename($srcFile, $destFile, $prefix = '')
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    {
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        // don't overwrite already converted file
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        if (!is_readable($destFile)) {
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            $handle = fopen($srcFile, 'r', false, stream_context_create());
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            file_put_contents($destFile, $prefix . DataStore::PROTECTION_LINE . PHP_EOL);
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            file_put_contents($destFile, $handle, FILE_APPEND);
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            fclose($handle);
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        }
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        unlink($srcFile);
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    }
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}
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