Version 1

[yaffs-website] / web / modules / contrib / hacked / src / hackedFileHasher.php

diff --git a/web/modules/contrib/hacked/src/hackedFileHasher.php b/web/modules/contrib/hacked/src/hackedFileHasher.php
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+++ b/web/modules/contrib/hacked/src/hackedFileHasher.php
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+<?php
+
+/**
+ * @file
+ * Contains \Drupal\hacked\hackedFileHasher.
+ */
+
+namespace Drupal\hacked;
+
+/**
+ * Base class for the different ways that files can be hashed.
+ */
+abstract class hackedFileHasher {
+  /**
+   * Returns a hash of the given filename.
+   *
+   * Ignores file line endings
+   */
+  function hash($filename) {
+    if (file_exists($filename)) {
+      if ($hash = $this->cache_get($filename)) {
+        return $hash;
+      }
+      else {
+        $hash = $this->perform_hash($filename);
+        $this->cache_set($filename, $hash);
+        return $hash;
+      }
+    }
+  }
+
+  function cache_set($filename, $hash) {
+    \Drupal::cache(HACKED_CACHE_TABLE)->set($this->cache_key($filename), $hash, strtotime('+7 days'));
+  }
+
+  function cache_get($filename) {
+    $cache = \Drupal::cache(HACKED_CACHE_TABLE)->get($this->cache_key($filename));
+    if (!empty($cache->data)) {
+      return $cache->data;
+    }
+  }
+
+  function cache_key($filename) {
+    $key = array(
+      'filename' => $filename,
+      'mtime' => filemtime($filename),
+      'class_name' => get_class($this),
+    );
+    return sha1(serialize($key));
+  }
+
+  /**
+   * Compute and return the hash of the given file.
+   *
+   * @param $filename
+   *   A fully-qualified filename to hash.
+   *
+   * @return string
+   *   The computed hash of the given file.
+   */
+  abstract function perform_hash($filename);
+
+  /**
+   * Compute and return the lines of the given file.
+   *
+   * @param $filename
+   *   A fully-qualified filename to return.
+   *
+   * @return array|bool
+   *   The lines of the given filename or FALSE on failure.
+   */
+  abstract function fetch_lines($filename);
+}
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