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[userbundle] / Utils / Slugger.php

diff --git a/Utils/Slugger.php b/Utils/Slugger.php
index 8a2856dbede56b0b19e63fa9ef92906455531af5..f0438b60e4fa2a2687e42c660495e4adacb62c7c 100644 (file)
--- a/Utils/Slugger.php
+++ b/Utils/Slugger.php
@@ -23,7 +23,7 @@ class Slugger {
        //Retrieve secret and set offset from reduction
        public function __construct(ContainerInterface $container) {
                //Set secret
-               $this->secret = $container->getParameter('kernel.secret');
+               $this->secret = $_SERVER['APP_SECRET'] ?? $container->getParameter('kernel.secret');
 
                //Pseudo-random alphabet
                //XXX: use array flip and keys to workaround php "smart" that cast range('0', '9') as int instead of string
@@ -65,13 +65,73 @@ class Slugger {
                $this->offset = array_reduce($split, function ($res, $a) use ($rev) { return $res += $rev[$a]; }, count($split)) % $this->count;
        }
 
-       //Short the string
-       public function short(string $string): string {
+       /**
+        * Flatten recursively an array
+        *
+        * @param array $data The data tree
+        * @param string|null $current The current prefix
+        * @param string $sep The key separator
+        * @param string $prefix The key prefix
+        * @param string $suffix The key suffix
+        * @return array The flattened data
+        */
+       public function flatten($data, $current = null, $sep = '.', $prefix = '', $suffix = '') {
+               //Init result
+               $ret = [];
+
+               //Look for data array
+               if (is_array($data)) {
+                       //Iteare on each pair
+                       foreach($data as $k => $v) {
+                               //Merge flattened value in return array
+                               $ret += $this->flatten($v, empty($current) ? $k : $current.$sep.$k, $sep, $prefix, $suffix);
+                       }
+               //Look flat data
+               } else {
+                       //Store data in flattened key
+                       $ret[$prefix.$current.$suffix] = $data;
+               }
+
+               //Return result
+               return $ret;
+       }
+
+       /**
+        * Crypt and base64uri encode string
+        *
+        * @param string $data The data string
+        * @return string The hashed data
+        */
+       public function hash(string $data): string {
+               //Return hashed data
+               //XXX: we use hash_hmac with md5 hash
+               //XXX: crypt was dropped because it provided identical signature for string starting with same pattern
+               return str_replace(['+','/'], ['-','_'], base64_encode(hash_hmac('md5', $data, $this->secret, true)));
+       }
+
+       /**
+        * Serialize then short
+        *
+        * @param array $data The data array
+        * @return string The serialized and shorted data
+        */
+       public function serialize(array $data): string {
+               //Return shorted serialized data
+               return $this->short(serialize($data));
+       }
+
+       /**
+        * Short
+        *
+        * @param string $data The data string
+        * @return string The shorted data
+        */
+       public function short(string $data): string {
                //Return string
                $ret = '';
 
                //Iterate on each character
-               foreach(str_split($string) as $k => $c) {
+               foreach(str_split($data) as $k => $c) {
                        if (isset($this->rev[$c]) && isset($this->alpha[($this->rev[$c]+$this->offset)%$this->count])) {
                                //XXX: Remap char to an other one
                                $ret .= chr(($this->rev[$c] - $this->offset + $this->count) % $this->count);
@@ -82,13 +142,44 @@ class Slugger {
                return str_replace(['+','/'], ['-','_'], base64_encode($ret));
        }
 
-       //Unshort the string
-       public function unshort(string $string): string {
+       /**
+        * Convert string to safe slug
+        *
+        * @param string $data The data string
+        * @return string The slugged data
+        */
+       function slug(string $data): string {
+               //Use Transliterator if available
+               if (class_exists('Transliterator')) {
+                       $trans = \Transliterator::create('Any-Latin; Latin-ASCII; Lower()');
+                       return preg_replace(['/[^a-zA-Z0-9]+/', '/(^-+|-+$)/'], ['-', ''], $trans->transliterate($data));
+               }
+               return preg_replace('/[\/_|+ -]+/', '-', strtolower(trim(preg_replace('/[^a-zA-Z0-9\/_|+ -]/', '', str_replace(['\'', '"'], ' ', iconv('UTF-8', 'ASCII//TRANSLIT', $data))), '-')));
+       }
+
+       /**
+        * Unshort then unserialize
+        *
+        * @param string $data The data string
+        * @return array The unshorted and unserialized data
+        */
+       public function unserialize(string $data): array {
+               //Return unshorted unserialized string
+               return unserialize($this->unshort($data));
+       }
+
+       /**
+        * Unshort
+        *
+        * @param string $data The data string
+        * @return string The unshorted data
+        */
+       public function unshort(string $data): string {
                //Return string
                $ret = '';
 
                //Iterate on each character
-               foreach(str_split(base64_decode(str_replace(['-','_'], ['+','/'], $string))) as $c) {
+               foreach(str_split(base64_decode(str_replace(['-','_'], ['+','/'], $data))) as $c) {
                        //XXX: Reverse map char to an other one
                        $ret .= $this->alpha[(ord($c) + $this->offset) % $this->count];
                }
@@ -96,14 +187,4 @@ class Slugger {
                //Send result
                return $ret;
        }
-
-       //Crypt and base64uri encode string
-       public function hash(string $string): string {
-               return str_replace(['+','/'], ['-','_'], base64_encode(crypt($string, $this->secret)));
-       }
-
-       //Convert string to safe slug
-       function slug(string $string): string {
-               return preg_replace('/[\/_|+ -]+/', '-', strtolower(trim(preg_replace('/[^a-zA-Z0-9\/_|+ -]/', '', str_replace(['\'', '"'], ' ', iconv('UTF-8', 'ASCII//TRANSLIT', $string))), '-')));
-       }
 }