BugTrack/571 Write updates log

[pukiwiki/pukiwiki.git] / lib / func.php

diff --git a/lib/func.php b/lib/func.php
index 4d929ab..1b54c53 100644 (file)
--- a/lib/func.php
+++ b/lib/func.php
@@ -26,6 +26,56 @@ function pkwk_log($message)
        error_log($timestamp . ' ' . $message . "\n", 3, $log_filepath);
 }
 
+/*
+ * Get LTSV safe string - Remove tab and newline chars.
+ *
+ * @param $s target string
+ */
+function get_ltsv_value($s) {
+       if (!$s) {
+               return '';
+       }
+       return preg_replace('#[\t\r\n]#', '', $s);
+}
+
+/**
+ * Write update_log on updating contents.
+ *
+ * @param $page page name
+ * @param $diff_content diff expression
+ */
+function pkwk_log_updates($page, $diff_content) {
+       global $auth_user, $logging_updates, $logging_updates_log_dir;
+       $log_dir = $logging_updates_log_dir;
+       $timestamp = time();
+       $ymd = gmdate('Ymd', $timestamp);
+       $difflog_file = $log_dir . '/diff.' . $ymd . '.log';
+       $ltsv_file = $log_dir . '/update.' . $ymd . '.log';
+       $d = array(
+               'time' => gmdate('Y-m-d H:i:s', $timestamp),
+               'uri' => $_SERVER['REQUEST_URI'],
+               'method' => $_SERVER['REQUEST_METHOD'],
+               'remote_addr' => $_SERVER['REMOTE_ADDR'],
+               'user_agent' => $_SERVER['HTTP_USER_AGENT'],
+               'page' => $page,
+               'user' => $auth_user,
+               'diff' => $diff_content
+       );
+       if (file_exists($log_dir) && defined('JSON_UNESCAPED_UNICODE')) {
+               // require: PHP5.4+
+               $line = json_encode($d, JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES) . "\n";
+               file_put_contents($difflog_file, $line, FILE_APPEND | LOCK_EX);
+               $keys = array('time', 'uri', 'method', 'remote_addr', 'user_agent',
+                       'page', 'user');
+               $ar2 = array();
+               foreach ($keys as $k) {
+                       $ar2[] = $k . ':' . get_ltsv_value($d[$k]);
+               }
+               $ltsv = join($ar2, "\t") . "\n";
+               file_put_contents($ltsv_file, $ltsv, FILE_APPEND | LOCK_EX);
+       }
+}
+
 /**
  * ctype_digit that supports PHP4+.
  *