add some check for read stream data

Author: inhere

src/File.php

@@ -304,7 +304,9 @@ public static function streamOpen(string $path)
      */
     public static function streamWrite($stream, string $content, string $path = ''): void
     {
-        if (($result = @fwrite($stream, $content)) === false || ($result < strlen($content))) {
+        self::assertWritableStream($stream);
+
+        if (($result = fwrite($stream, $content)) === false || ($result < strlen($content))) {
             throw new IOException('The file "' . $path . '" could not be written to. Check your disk space and file permissions.');
         }
     }
@@ -317,6 +319,8 @@ public static function streamWrite($stream, string $content, string $path = ''):
      */
     public static function streamRead($stream, int $length = 1024): string
     {
+        self::assertReadableStream($stream);
+
         return (string)fread($stream, $length);
     }
 
@@ -327,6 +331,8 @@ public static function streamRead($stream, int $length = 1024): string
      */
     public static function streamReadln($stream): string
     {
+        self::assertReadableStream($stream);
+
         return trim((string)fgets($stream));
     }
 
@@ -339,6 +345,8 @@ public static function streamReadln($stream): string
      */
     public static function streamReadAll($stream, int $length = -1, int $offset = -1): string
     {
+        self::assertReadableStream($stream);
+
         return (string)stream_get_contents($stream, $length, $offset);
     }
 

src/Traits/FileSystemFuncTrait.php

@@ -80,6 +80,21 @@ public static function assertReadableStream($stream): void
         }
     }
 
+    /**
+     * @param resource $stream
+     */
+    public static function assertWritableStream($stream): void
+    {
+        if (!self::isStream($stream)) {
+            throw new InvalidArgumentException('Expected a valid stream');
+        }
+
+        $meta = stream_get_meta_data($stream);
+        if (strpos($meta['mode'], 'w') === false && strpos($meta['mode'], '+') === false) {
+            throw new InvalidArgumentException('Expected a writable stream');
+        }
+    }
+
     /**
      * @param string   $source
      * @param string   $dest