1 files changed, 60 insertions, 24 deletions

diff --git a/application/Utils.php b/application/Utils.php
index 4b7fc546..db046893 100644
--- a/application/Utils.php
+++ b/application/Utils.php
@@ -4,21 +4,23 @@
  */
 
 /**
- * Logs a message to a text file
+ * Format log using provided data.
  *
- * The log format is compatible with fail2ban.
+ * @param string      $message  the message to log
+ * @param string|null $clientIp the client's remote IPv4/IPv6 address
  *
- * @param string $logFile  where to write the logs
- * @param string $clientIp the client's remote IPv4/IPv6 address
- * @param string $message  the message to log
+ * @return string Formatted message to log
  */
-function logm($logFile, $clientIp, $message)
+function format_log(string $message, string $clientIp = null): string
 {
-    file_put_contents(
-        $logFile,
-        date('Y/m/d H:i:s').' - '.$clientIp.' - '.strval($message).PHP_EOL,
-        FILE_APPEND
-    );
+    $out = $message;
+
+    if (!empty($clientIp)) {
+        // Note: we keep the first dash to avoid breaking fail2ban configs
+        $out = '- ' . $clientIp . ' - ' . $out;
+    }
+
+    return $out;
 }
 
 /**
@@ -87,18 +89,22 @@ function endsWith($haystack, $needle, $case = true)
  *
  * @param mixed $input Data to escape: a single string or an array of strings.
  *
- * @return string escaped.
+ * @return string|array escaped.
  */
 function escape($input)
 {
-    if (is_bool($input)) {
+    if (null === $input) {
+        return null;
+    }
+
+    if (is_bool($input) || is_int($input) || is_float($input) || $input instanceof DateTimeInterface) {
         return $input;
     }
 
     if (is_array($input)) {
         $out = array();
         foreach ($input as $key => $value) {
-            $out[$key] = escape($value);
+            $out[escape($key)] = escape($value);
         }
         return $out;
     }
@@ -294,15 +300,15 @@ function normalize_spaces($string)
  * Requires php-intl to display international datetimes,
  * otherwise default format '%c' will be returned.
  *
- * @param DateTime $date to format.
- * @param bool     $time Displays time if true.
- * @param bool     $intl Use international format if true.
+ * @param DateTimeInterface $date to format.
+ * @param bool              $time Displays time if true.
+ * @param bool              $intl Use international format if true.
  *
  * @return bool|string Formatted date, or false if the input is invalid.
  */
 function format_date($date, $time = true, $intl = true)
 {
-    if (! $date instanceof DateTime) {
+    if (! $date instanceof DateTimeInterface) {
         return false;
     }
 
@@ -321,6 +327,23 @@ function format_date($date, $time = true, $intl = true)
 }
 
 /**
+ * Format the date month according to the locale.
+ *
+ * @param DateTimeInterface $date to format.
+ *
+ * @return bool|string Formatted date, or false if the input is invalid.
+ */
+function format_month(DateTimeInterface $date)
+{
+    if (! $date instanceof DateTimeInterface) {
+        return false;
+    }
+
+    return strftime('%B', $date->getTimestamp());
+}
+
+
+/**
  * Check if the input is an integer, no matter its real type.
  *
  * PHP is a bit messy regarding this:
@@ -448,14 +471,27 @@ function alphabetical_sort(&$data, $reverse = false, $byKeys = false)
  * Wrapper function for translation which match the API
  * of gettext()/_() and ngettext().
  *
- * @param string $text   Text to translate.
- * @param string $nText  The plural message ID.
- * @param int    $nb     The number of items for plural forms.
- * @param string $domain The domain where the translation is stored (default: shaarli).
+ * @param string $text      Text to translate.
+ * @param string $nText     The plural message ID.
+ * @param int    $nb        The number of items for plural forms.
+ * @param string $domain    The domain where the translation is stored (default: shaarli).
+ * @param array  $variables Associative array of variables to replace in translated text.
+ * @param bool   $fixCase   Apply `ucfirst` on the translated string, might be useful for strings with variables.
  *
  * @return string Text translated.
  */
-function t($text, $nText = '', $nb = 1, $domain = 'shaarli')
+function t($text, $nText = '', $nb = 1, $domain = 'shaarli', $variables = [], $fixCase = false)
+{
+    $postFunction = $fixCase ? 'ucfirst' : function ($input) { return $input; };
+
+    return $postFunction(dn__($domain, $text, $nText, $nb, $variables));
+}
+
+/**
+ * Converts an exception into a printable stack trace string.
+ */
+function exception2text(Throwable $e): string
 {
-    return dn__($domain, $text, $nText, $nb);
+    return $e->getMessage() . PHP_EOL . $e->getFile() . $e->getLine() . PHP_EOL . $e->getTraceAsString();
 }
+