<?php
+
/**
* Shaarli utilities
*/
/**
- * 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;
}
/**
*
* @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 (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);
+ $out = [];
+ foreach ($input as $key => $value) {
+ $out[escape($key)] = escape($value);
}
return $out;
}
*
* @return string $referer - final referer.
*/
-function generateLocation($referer, $host, $loopTerms = array())
+function generateLocation($referer, $host, $loopTerms = [])
{
- $finalReferer = '?';
+ $finalReferer = './?';
// No referer if it contains any value in $loopCriteria.
- foreach ($loopTerms as $value) {
+ foreach (array_filter($loopTerms) as $value) {
if (strpos($referer, $value) !== false) {
return $finalReferer;
}
return $finalReferer;
}
-/**
- * Validate session ID to prevent Full Path Disclosure.
- *
- * See #298.
- * The session ID's format depends on the hash algorithm set in PHP settings
- *
- * @param string $sessionId Session ID
- *
- * @return true if valid, false otherwise.
- *
- * @see http://php.net/manual/en/function.hash-algos.php
- * @see http://php.net/manual/en/session.configuration.php
- */
-function is_session_id_valid($sessionId)
-{
- if (empty($sessionId)) {
- return false;
- }
-
- if (!$sessionId) {
- return false;
- }
-
- if (!preg_match('/^[a-zA-Z0-9,-]{2,128}$/', $sessionId)) {
- return false;
- }
-
- return true;
-}
-
/**
* Sniff browser language to set the locale automatically.
* Note that is may not work on your server if the corresponding locale is not installed.
function autoLocale($headerLocale)
{
// Default if browser does not send HTTP_ACCEPT_LANGUAGE
- $locales = array('en_US', 'en_US.utf8', 'en_US.UTF-8');
+ $locales = ['en_US', 'en_US.utf8', 'en_US.UTF-8'];
if (! empty($headerLocale)) {
if (preg_match_all('/([a-z]{2,3})[-_]?([a-z]{2})?,?/i', $headerLocale, $matches, PREG_SET_ORDER)) {
$attempts = [];
* Requires php-intl to display international datetimes,
* otherwise default format '%c' will be returned.
*
- * @param DateTime $date to format.
- * @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, $intl = true)
+function format_date($date, $time = true, $intl = true)
{
- if (! $date instanceof DateTime) {
+ if (! $date instanceof DateTimeInterface) {
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
);
+ $formatter->setTimeZone($date->getTimezone());
return $formatter->format($date);
}
+
+/**
+ * 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:
+ * - 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;
+ // do no break in order 1024^2 for each unit
+ case 'm':
+ $val *= 1024;
+ // do no break in order 1024^2 for each unit
+ 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;
+}
+
+/**
+ * Sort the given array alphabetically using php-intl if available.
+ * Case sensitive.
+ *
+ * Note: doesn't support multidimensional arrays
+ *
+ * @param array $data Input array, passed by reference
+ * @param bool $reverse Reverse sort if set to true
+ * @param bool $byKeys Sort the array by keys if set to true, by value otherwise.
+ */
+function alphabetical_sort(&$data, $reverse = false, $byKeys = false)
+{
+ $callback = function ($a, $b) use ($reverse) {
+ // Collator is part of PHP intl.
+ if (class_exists('Collator')) {
+ $collator = new Collator(setlocale(LC_COLLATE, 0));
+ if (!intl_is_failure(intl_get_error_code())) {
+ return $collator->compare($a, $b) * ($reverse ? -1 : 1);
+ }
+ }
+
+ return strcasecmp($a, $b) * ($reverse ? -1 : 1);
+ };
+
+ if ($byKeys) {
+ uksort($data, $callback);
+ } else {
+ usort($data, $callback);
+ }
+}
+
+/**
+ * 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 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', $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 $e->getMessage() . PHP_EOL . $e->getFile() . $e->getLine() . PHP_EOL . $e->getTraceAsString();
+}
projects / github / shaarli / Shaarli.git / blobdiff