X-Git-Url: https://git.immae.eu/?a=blobdiff_plain;f=application%2FUtils.php;h=10d606987c826990e94fad0489f36aad66f6a969;hb=091e2d139dfd35e1a0fbfef5c561b26af633dbd9;hp=f84f70e44a7f8662f136bd19909b35f338796cbd;hpb=61873e3ded8dfba397b39aebd2322d0939c82caa;p=github%2Fshaarli%2FShaarli.git

diff --git a/application/Utils.php b/application/Utils.php
index f84f70e4..10d60698 100644
--- a/application/Utils.php
+++ b/application/Utils.php
@@ -3,6 +3,24 @@
  * Shaarli utilities
  */
 
+/**
+ * Logs a message to a text file
+ *
+ * The log format is compatible with fail2ban.
+ *
+ * @param string $logFile  where to write the logs
+ * @param string $clientIp the client's remote IPv4/IPv6 address
+ * @param string $message  the message to log
+ */
+function logm($logFile, $clientIp, $message)
+{
+    file_put_contents(
+        $logFile,
+        date('Y/m/d H:i:s').' - '.$clientIp.' - '.strval($message).PHP_EOL,
+        FILE_APPEND
+    );
+}
+
 /**
  *  Returns the small hash of a string, using RFC 4648 base64url format
  *
@@ -43,14 +61,6 @@ function endsWith($haystack, $needle, $case=true)
     return (strcasecmp(substr($haystack, strlen($haystack) - strlen($needle)), $needle) === 0);
 }
 
-/**
- * Same as nl2br(), but escapes < and >
- */
-function nl2br_escaped($html)
-{
-    return str_replace('>', '&gt;', str_replace('<', '&lt;', nl2br($html)));
-}
-
 /**
  * htmlspecialchars wrapper
  */
@@ -72,12 +82,14 @@ function sanitizeLink(&$link)
 
 /**
  * Checks if a string represents a valid date
+
+ * @param string $format The expected DateTime format of the string
+ * @param string $string A string-formatted date
+ *
+ * @return bool whether the string is a valid date
  *
- * @param string        a string-formatted date
- * @param format        the expected DateTime format of the string
- * @return              whether the string is a valid date
- * @see                 http://php.net/manual/en/class.datetime.php
- * @see                 http://php.net/manual/en/datetime.createfromformat.php
+ * @see http://php.net/manual/en/class.datetime.php
+ * @see http://php.net/manual/en/datetime.createfromformat.php
  */
 function checkDateFormat($format, $string)
 {