Added disk space detection (fixes #22) and renaming of invalid SPKs (f…

…ixes #25).

lib/SSpkS/Package/Package.php

@@ -187,7 +187,20 @@ public function extractIfMissing($inPkgName, $targetFile)
         }
         // Try to extract file
         $tmp_dir = sys_get_temp_dir();
-        $p = new \PharData($this->filepath, \Phar::CURRENT_AS_FILEINFO | \Phar::KEY_AS_FILENAME);
+        $free_tmp = disk_free_space($tmp_dir);
+        if ($free_tmp < 2048) {
+            throw new \Exception('TMP folder only has ' . $free_tmp . ' Bytes space available. Disk full!');
+        }
+        $free = disk_free_space(dirname($targetFile));
+        if ($free < 2048) {
+            throw new \Exception('Package folder only has ' . $free . ' Bytes space available. Disk full!');
+        }
+        try {
+            $p = new \PharData($this->filepath, \Phar::CURRENT_AS_FILEINFO | \Phar::KEY_AS_FILENAME);
+        } catch (\UnexpectedValueException $e) {
+            rename($this->filepath, $this->filepath . '.invalid');
+            throw new \Exception('Package ' . $this->filepath . ' not readable! Will be ignored in the future. Please try again!');
+        }
         $p->extractTo($tmp_dir, $inPkgName);
         rename($tmp_dir . DIRECTORY_SEPARATOR . $inPkgName, $targetFile);
         return true;