Issue #1982286 by AdamPS: Recoverable fatal error

plugins/FeedsFileFetcher.inc

@@ -29,7 +29,7 @@ class FeedsFileFetcherResult extends FeedsFetcherResult {
    * Overrides parent::getFilePath().
    */
   public function getFilePath() {
-    if (!file_exists($this->file_path)) {
+    if (!is_readable($this->file_path)) {
       throw new Exception(t('File @filepath is not accessible.', array('@filepath' => $this->file_path)));
     }
     return $this->sanitizeFile($this->file_path);
@@ -164,8 +164,8 @@ class FeedsFileFetcher extends FeedsFetcher {
       if (!$scheme || !in_array($scheme, $this->config['allowed_schemes'])) {
         form_set_error('feeds][FeedsFileFetcher][source', t("The file needs to reside within the site's files directory, its path needs to start with scheme://. Available schemes: @schemes.", array('@schemes' => implode(', ', $this->config['allowed_schemes']))));
       }
-      // Check wether the given path exists.
-      elseif (!file_exists($values['source'])) {
+      // Check whether the given path is readable.
+      elseif (!is_readable($values['source'])) {
         form_set_error('feeds][FeedsFileFetcher][source', t('The specified file or directory does not exist.'));
       }
     }