symfony
diff --git a/‎src/Symfony/Component/Mime/Part/DataPart.php
Copy file name to clipboardExpand all lines: src/Symfony/Component/Mime/Part/DataPart.php
+8-1Lines changed: 8 additions & 1 deletion b/‎src/Symfony/Component/Mime/Part/DataPart.php
Copy file name to clipboardExpand all lines: src/Symfony/Component/Mime/Part/DataPart.php
+8-1Lines changed: 8 additions & 1 deletion
diff --git a/‎src/Symfony/Component/Mime/Tests/Part/DataPartTest.php
Copy file name to clipboardExpand all lines: src/Symfony/Component/Mime/Tests/Part/DataPartTest.php
+24Lines changed: 24 additions & 0 deletions b/‎src/Symfony/Component/Mime/Tests/Part/DataPartTest.php
Copy file name to clipboardExpand all lines: src/Symfony/Component/Mime/Tests/Part/DataPartTest.php
+24Lines changed: 24 additions & 0 deletions
@@ -61,13 +61,20 @@ public static function fromPath(string $path, string $name = null, string $conte
             $contentType = self::$mimeTypes->getMimeTypes($ext)[0] ?? 'application/octet-stream';
         }
 
-        if (!is_file($path) || !is_readable($path)) {
+        if ((is_file($path) && !is_readable($path)) || is_dir($path)) {
             throw new InvalidArgumentException(sprintf('Path "%s" is not readable.', $path));
         }
 
         if (false === $handle = @fopen($path, 'r', false)) {
             throw new InvalidArgumentException(sprintf('Unable to open path "%s".', $path));
         }
+
+        if (!is_file($path)) {
+            $cache = fopen('php://temp', 'r+');
+            stream_copy_to_stream($handle, $cache);
+            $handle = $cache;
+        }
+
         $p = new self($handle, $name ?: basename($path), $contentType);
         $p->handle = $handle;
 
 
@@ -134,6 +134,30 @@ public function testFromPathWithNotAFile()
         DataPart::fromPath(__DIR__.'/../Fixtures/mimetypes/');
     }
 
+    /**
+     * @group network
+     */
+    public function testFromPathWithUrl()
+    {
+        if (!\in_array('https', stream_get_wrappers())) {
+            $this->markTestSkipped('"https" stream wrapper is not enabled.');
+        }
+
+        $p = DataPart::fromPath($file = 'https://symfony.com/images/common/logo/logo_symfony_header.png');
+        $content = file_get_contents($file);
+        $this->assertEquals($content, $p->getBody());
+        $maxLineLength = 76;
+        $this->assertEquals(substr(base64_encode($content), 0, $maxLineLength), substr($p->bodyToString(), 0, $maxLineLength));
+        $this->assertEquals(substr(base64_encode($content), 0, $maxLineLength), substr(implode('', iterator_to_array($p->bodyToIterable())), 0, $maxLineLength));
+        $this->assertEquals('image', $p->getMediaType());
+        $this->assertEquals('png', $p->getMediaSubType());
+        $this->assertEquals(new Headers(
+            new ParameterizedHeader('Content-Type', 'image/png', ['name' => 'logo_symfony_header.png']),
+            new UnstructuredHeader('Content-Transfer-Encoding', 'base64'),
+            new ParameterizedHeader('Content-Disposition', 'attachment', ['name' => 'logo_symfony_header.png', 'filename' => 'logo_symfony_header.png'])
+        ), $p->getPreparedHeaders());
+    }
+
     public function testHasContentId()
     {
         $p = new DataPart('content');