Merge branch '5.2' into 5.3

* 5.2:
  [Filesystem] Workaround cannot dumpFile into "protected" folders on Windows
  Missing translations for Chinese (zh_CN) symfony#41814
  update Italian translation
  added missing Arabic translations

Author: fabpot

src/Symfony/Component/Filesystem/Filesystem.php

@@ -669,10 +669,6 @@ public function dumpFile(string $filename, $content)
             $this->mkdir($dir);
         }
 
-        if (!is_writable($dir)) {
-            throw new IOException(sprintf('Unable to write to the "%s" directory.', $dir), 0, null, $dir);
-        }
-
         // Will create a temp file with 0600 access rights
         // when the filesystem supports chmod.
         $tmpFile = $this->tempnam($dir, basename($filename));
@@ -711,10 +707,6 @@ public function appendToFile(string $filename, $content)
             $this->mkdir($dir);
         }
 
-        if (!is_writable($dir)) {
-            throw new IOException(sprintf('Unable to write to the "%s" directory.', $dir), 0, null, $dir);
-        }
-
         if (false === self::box('file_put_contents', $filename, $content, \FILE_APPEND)) {
             throw new IOException(sprintf('Failed to write file "%s": ', $filename).self::$lastError, 0, null, $filename);
         }

src/Symfony/Component/Filesystem/Tests/FilesystemTest.php

@@ -1766,6 +1766,27 @@ public function testCopyShouldKeepExecutionPermission()
         $this->assertFilePermissions(767, $targetFilePath);
     }
 
+    public function testDumpToProtectedDirectory()
+    {
+        if (\DIRECTORY_SEPARATOR !== '\\') {
+            $this->markTestSkipped('This test is specific to Windows.');
+        }
+
+        if (($userProfilePath = getenv('USERPROFILE')) === false || !is_dir($userProfilePath)) {
+            throw new \RuntimeException('Failed to retrieve user profile path.');
+        }
+
+        $targetPath = implode(\DIRECTORY_SEPARATOR, [$userProfilePath, 'Downloads', '__test_file.ext']);
+
+        try {
+            $this->assertFileDoesNotExist($targetPath);
+            $this->filesystem->dumpFile($targetPath, 'foobar');
+            $this->assertFileExists($targetPath);
+        } finally {
+            $this->filesystem->remove($targetPath);
+        }
+    }
+
     /**
      * Normalize the given path (transform each forward slash into a real directory separator).
      */

src/Symfony/Component/Validator/Resources/translations/validators.ar.xlf

@@ -386,6 +386,10 @@
                 <source>This value is not a valid International Securities Identification Number (ISIN).</source>
                 <target> صالح (ISIN) هذه القيمة ليست رقم تعريف الأوراق المالية الدولي.</target>
             </trans-unit>
+            <trans-unit id="100">
+                <source>This value should be a valid expression.</source>
+                <target>يجب أن تكون هذه القيمة تعبيرًا صالحًا.</target>
+            </trans-unit>
         </body>
     </file>
 </xliff>

src/Symfony/Component/Validator/Resources/translations/validators.it.xlf

@@ -386,6 +386,10 @@
                 <source>This value is not a valid International Securities Identification Number (ISIN).</source>
                 <target>Questo valore non è un codice identificativo internazionale di valori mobiliari (ISIN) valido.</target>
             </trans-unit>
+            <trans-unit id="100">
+                <source>This value should be a valid expression.</source>
+                <target>Questo valore dovrebbe essere un'espressione valida.</target>
+            </trans-unit>
         </body>
     </file>
 </xliff>

src/Symfony/Component/Validator/Resources/translations/validators.zh_CN.xlf

@@ -368,23 +368,27 @@
             </trans-unit>
             <trans-unit id="95">
                 <source>This value is not a valid hostname.</source>
-                <target>该数值不是有效的主机名称。</target>
+                <target>该值不是有效的主机名称。</target>
             </trans-unit>
             <trans-unit id="96">
                 <source>The number of elements in this collection should be a multiple of {{ compared_value }}.</source>
                 <target>该集合内的元素数量得是 {{ compared_value }} 的倍数。</target>
             </trans-unit>
             <trans-unit id="97">
                 <source>This value should satisfy at least one of the following constraints:</source>
-                <target>该数值需符合以下其中一个约束：</target>
+                <target>该值需符合以下其中一个约束：</target>
             </trans-unit>
             <trans-unit id="98">
                 <source>Each element of this collection should satisfy its own set of constraints.</source>
                 <target>该集合内的每个元素需符合元素本身规定的约束。</target>
             </trans-unit>
             <trans-unit id="99">
                 <source>This value is not a valid International Securities Identification Number (ISIN).</source>
-                <target>该数值不是有效的国际证券识别码 （ISIN）。</target>
+                <target>该值不是有效的国际证券识别码 （ISIN）。</target>
+            </trans-unit>
+            <trans-unit id="100">
+                <source>This value should be a valid expression.</source>
+                <target>该值需为一个有效的表达式。</target>
             </trans-unit>
         </body>
     </file>