From 75160b12821f7f4299cce7f0b69c83c1502ae071 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Anton=20Luka=20=C5=A0ijanec?= <anton@sijanec.eu>
Date: Mon, 27 May 2024 13:08:29 +0200
Subject: 2024-02-19 upstream

---
 .../src/PhpSpreadsheet/Shared/File.php             | 142 +++++++++++++++++++++
 1 file changed, 142 insertions(+)
 create mode 100644 vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/File.php

(limited to 'vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/File.php')

diff --git a/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/File.php b/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/File.php
new file mode 100644
index 0000000..948d119
--- /dev/null
+++ b/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/File.php
@@ -0,0 +1,142 @@
+<?php
+
+namespace PhpOffice\PhpSpreadsheet\Shared;
+
+use InvalidArgumentException;
+use ZipArchive;
+
+class File
+{
+    /**
+     * Use Temp or File Upload Temp for temporary files.
+     *
+     * @var bool
+     */
+    protected static $useUploadTempDirectory = false;
+
+    /**
+     * Set the flag indicating whether the File Upload Temp directory should be used for temporary files.
+     *
+     * @param bool $useUploadTempDir Use File Upload Temporary directory (true or false)
+     */
+    public static function setUseUploadTempDirectory($useUploadTempDir): void
+    {
+        self::$useUploadTempDirectory = (bool) $useUploadTempDir;
+    }
+
+    /**
+     * Get the flag indicating whether the File Upload Temp directory should be used for temporary files.
+     *
+     * @return bool Use File Upload Temporary directory (true or false)
+     */
+    public static function getUseUploadTempDirectory()
+    {
+        return self::$useUploadTempDirectory;
+    }
+
+    /**
+     * Verify if a file exists.
+     *
+     * @param string $pFilename Filename
+     *
+     * @return bool
+     */
+    public static function fileExists($pFilename)
+    {
+        // Sick construction, but it seems that
+        // file_exists returns strange values when
+        // doing the original file_exists on ZIP archives...
+        if (strtolower(substr($pFilename, 0, 3)) == 'zip') {
+            // Open ZIP file and verify if the file exists
+            $zipFile = substr($pFilename, 6, strpos($pFilename, '#') - 6);
+            $archiveFile = substr($pFilename, strpos($pFilename, '#') + 1);
+
+            $zip = new ZipArchive();
+            if ($zip->open($zipFile) === true) {
+                $returnValue = ($zip->getFromName($archiveFile) !== false);
+                $zip->close();
+
+                return $returnValue;
+            }
+
+            return false;
+        }
+
+        return file_exists($pFilename);
+    }
+
+    /**
+     * Returns canonicalized absolute pathname, also for ZIP archives.
+     *
+     * @param string $pFilename
+     *
+     * @return string
+     */
+    public static function realpath($pFilename)
+    {
+        // Returnvalue
+        $returnValue = '';
+
+        // Try using realpath()
+        if (file_exists($pFilename)) {
+            $returnValue = realpath($pFilename);
+        }
+
+        // Found something?
+        if ($returnValue == '' || ($returnValue === null)) {
+            $pathArray = explode('/', $pFilename);
+            while (in_array('..', $pathArray) && $pathArray[0] != '..') {
+                $iMax = count($pathArray);
+                for ($i = 0; $i < $iMax; ++$i) {
+                    if ($pathArray[$i] == '..' && $i > 0) {
+                        unset($pathArray[$i], $pathArray[$i - 1]);
+
+                        break;
+                    }
+                }
+            }
+            $returnValue = implode('/', $pathArray);
+        }
+
+        // Return
+        return $returnValue;
+    }
+
+    /**
+     * Get the systems temporary directory.
+     *
+     * @return string
+     */
+    public static function sysGetTempDir()
+    {
+        if (self::$useUploadTempDirectory) {
+            //  use upload-directory when defined to allow running on environments having very restricted
+            //      open_basedir configs
+            if (ini_get('upload_tmp_dir') !== false) {
+                if ($temp = ini_get('upload_tmp_dir')) {
+                    if (file_exists($temp)) {
+                        return realpath($temp);
+                    }
+                }
+            }
+        }
+
+        return realpath(sys_get_temp_dir());
+    }
+
+    /**
+     * Assert that given path is an existing file and is readable, otherwise throw exception.
+     *
+     * @param string $filename
+     */
+    public static function assertFile($filename): void
+    {
+        if (!is_file($filename)) {
+            throw new InvalidArgumentException('File "' . $filename . '" does not exist.');
+        }
+
+        if (!is_readable($filename)) {
+            throw new InvalidArgumentException('Could not open "' . $filename . '" for reading.');
+        }
+    }
+}
-- 
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