X-Git-Url: https://git.immae.eu/?a=blobdiff_plain;f=application%2FUtils.php;h=ab463af9749cf3a597305fa37e1e91dbcf26046f;hb=105fb7a2a0f46598b7ea423c86a999ef96ace1ec;hp=a936b09fa87710ef86df5ffd9f28a8584b9ac09c;hpb=52b503105d389d1796698114573ff618b2ad34a2;p=github%2Fshaarli%2FShaarli.git

diff --git a/application/Utils.php b/application/Utils.php
index a936b09f..ab463af9 100644
--- a/application/Utils.php
+++ b/application/Utils.php
@@ -216,22 +216,30 @@ function is_session_id_valid($sessionId)
 function autoLocale($headerLocale)
 {
     // Default if browser does not send HTTP_ACCEPT_LANGUAGE
-    $attempts = array('en_US', 'en_US.utf8', 'en_US.UTF-8');
-    if (isset($headerLocale)) {
-        // (It's a bit crude, but it works very well. Preferred language is always presented first.)
-        if (preg_match('/([a-z]{2,3})[-_]?([a-z]{2})?/i', $headerLocale, $matches)) {
-            $first = [strtolower($matches[1]), strtoupper($matches[1])];
-            $separators = ['_', '-'];
-            $encodings = ['utf8', 'UTF-8'];
-            if (!empty($matches[2])) {
-                $second = [strtoupper($matches[2]), strtolower($matches[2])];
-                $attempts = cartesian_product_generator([$first, $separators, $second, ['.'], $encodings]);
-            } else {
-                $attempts = cartesian_product_generator([$first, $separators, $first, ['.'], $encodings]);
+    $locales = array('en_US', 'en_US.utf8', 'en_US.UTF-8');
+    if (! empty($headerLocale)) {
+        if (preg_match_all('/([a-z]{2,3})[-_]?([a-z]{2})?,?/i', $headerLocale, $matches, PREG_SET_ORDER)) {
+            $attempts = [];
+            foreach ($matches as $match) {
+                $first = [strtolower($match[1]), strtoupper($match[1])];
+                $separators = ['_', '-'];
+                $encodings = ['utf8', 'UTF-8'];
+                if (!empty($match[2])) {
+                    $second = [strtoupper($match[2]), strtolower($match[2])];
+                    $items = [$first, $separators, $second, ['.'], $encodings];
+                } else {
+                    $items = [$first, $separators, $first, ['.'], $encodings];
+                }
+                $attempts = array_merge($attempts, iterator_to_array(cartesian_product_generator($items)));
+            }
+
+            if (! empty($attempts)) {
+                $locales = array_merge(array_map('implode', $attempts), $locales);
             }
         }
     }
-    setlocale(LC_ALL, implode('implode', iterator_to_array($attempts)));
+
+    setlocale(LC_ALL, $locales);
 }
 
 /**
@@ -313,25 +321,117 @@ function normalize_spaces($string)
  * otherwise default format '%c' will be returned.
  *
  * @param DateTime $date to format.
+ * @param bool     $time Displays time if true.
  * @param bool     $intl Use international format if true.
  *
  * @return bool|string Formatted date, or false if the input is invalid.
  */
-function format_date($date, $intl = true)
+function format_date($date, $time = true, $intl = true)
 {
     if (! $date instanceof DateTime) {
         return false;
     }
 
     if (! $intl || ! class_exists('IntlDateFormatter')) {
-        return strftime('%c', $date->getTimestamp());
+        $format = $time ? '%c' : '%x';
+        return strftime($format, $date->getTimestamp());
     }
 
     $formatter = new IntlDateFormatter(
         setlocale(LC_TIME, 0),
         IntlDateFormatter::LONG,
-        IntlDateFormatter::LONG
+        $time ? IntlDateFormatter::LONG : IntlDateFormatter::NONE
     );
 
     return $formatter->format($date);
 }
+
+/**
+ * Check if the input is an integer, no matter its real type.
+ *
+ * PHP is a bit messy regarding this:
+ *   - is_int returns false if the input is a string
+ *   - ctype_digit returns false if the input is an integer or negative
+ *
+ * @param mixed $input value
+ *
+ * @return bool true if the input is an integer, false otherwise
+ */
+function is_integer_mixed($input)
+{
+    if (is_array($input) || is_bool($input) || is_object($input)) {
+        return false;
+    }
+    $input = strval($input);
+    return ctype_digit($input) || (startsWith($input, '-') && ctype_digit(substr($input, 1)));
+}
+
+/**
+ * Convert post_max_size/upload_max_filesize (e.g. '16M') parameters to bytes.
+ *
+ * @param string $val Size expressed in string.
+ *
+ * @return int Size expressed in bytes.
+ */
+function return_bytes($val)
+{
+    if (is_integer_mixed($val) || $val === '0' || empty($val)) {
+        return $val;
+    }
+    $val = trim($val);
+    $last = strtolower($val[strlen($val)-1]);
+    $val = intval(substr($val, 0, -1));
+    switch($last) {
+        case 'g': $val *= 1024;
+        case 'm': $val *= 1024;
+        case 'k': $val *= 1024;
+    }
+    return $val;
+}
+
+/**
+ * Return a human readable size from bytes.
+ *
+ * @param int $bytes value
+ *
+ * @return string Human readable size
+ */
+function human_bytes($bytes)
+{
+    if ($bytes === '') {
+        return t('Setting not set');
+    }
+    if (! is_integer_mixed($bytes)) {
+        return $bytes;
+    }
+    $bytes = intval($bytes);
+    if ($bytes === 0) {
+        return t('Unlimited');
+    }
+
+    $units = [t('B'), t('kiB'), t('MiB'), t('GiB')];
+    for ($i = 0; $i < count($units) && $bytes >= 1024; ++$i) {
+        $bytes /= 1024;
+    }
+
+    return round($bytes) . $units[$i];
+}
+
+/**
+ * Try to determine max file size for uploads (POST).
+ * Returns an integer (in bytes) or formatted depending on $format.
+ *
+ * @param mixed $limitPost   post_max_size PHP setting
+ * @param mixed $limitUpload upload_max_filesize PHP setting
+ * @param bool  $format      Format max upload size to human readable size
+ *
+ * @return int|string max upload file size
+ */
+function get_max_upload_size($limitPost, $limitUpload, $format = true)
+{
+    $size1 = return_bytes($limitPost);
+    $size2 = return_bytes($limitUpload);
+    // Return the smaller of two:
+    $maxsize = min($size1, $size2);
+    return $format ? human_bytes($maxsize) : $maxsize;
+}