Add captcha controller

[packbundle] / Util / SluggerUtil.php

diff --git a/Util/SluggerUtil.php b/Util/SluggerUtil.php
index 0d8f346dec16b3a9964e053ce88fda076bf56ebc..8dc50df5ab8c592aff86043ada5b89cb0fbb8454 100644 (file)
--- a/Util/SluggerUtil.php
+++ b/Util/SluggerUtil.php
@@ -31,7 +31,7 @@ class SluggerUtil {
        private $offset;
 
        /**
-        * Creates a new slugger util
+        * Construct slugger util
         *
         * @todo Add a command to generate alpha array or generate it on first run with cache storage ?
         * @todo Use Cache like in calendar controller through FilesystemAdapter
@@ -42,9 +42,12 @@ class SluggerUtil {
                //Set secret
                $this->secret = $secret;
 
-               //Pseudo-random alphabet
-               //XXX: use array flip and keys to workaround php "smart" that cast range('0', '9') as int instead of string
-               //XXX: The key count mismatch, count(alpha)>count(rev), resulted in a data corruption due to duplicate numeric values
+               /**
+                * Pseudo-random alphabet
+                * @xxx use array flip and keys to workaround php "smart" that cast range('0', '9') as int instead of string
+                * @xxx The key count mismatch, count(alpha)>count(rev), resulted in a data corruption due to duplicate numeric values
+                * @todosee required range by json_encode result and short input (0->255 ???)
+                */
                $this->alpha = array_keys(array_flip(array_merge(
                        range('^', '[', -1),
                        range('V', 'Z'),
@@ -115,10 +118,16 @@ class SluggerUtil {
        /**
         * Crypt and base64uri encode string
         *
-        * @param string $data The data string
+        * @param array|string $data The data string
         * @return string The hashed data
         */
-       public function hash(string $data): string {
+       public function hash(array|string $data): string {
+               //With array
+               if (is_array($data)) {
+                       //Json encode array
+                       $data = json_encode($data);
+               }
+
                //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
@@ -133,7 +142,8 @@ class SluggerUtil {
         */
        public function serialize(array $data): string {
                //Return shorted serialized data
-               return $this->short(serialize($data));
+               //XXX: dropped serialize use to prevent short function from dropping utf-8 characters
+               return $this->short(json_encode($data));
        }
 
        /**
@@ -146,11 +156,16 @@ class SluggerUtil {
                //Return string
                $ret = '';
 
-               //Iterate on each character
-               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) % $this->count);
+               //With data
+               if (!empty($data)) {
+                       //Iterate on each character
+                       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);
+                               } else {
+                                       throw new \RuntimeException(sprintf('Unable to retrieve character: %c', $c));
+                               }
                        }
                }
 
@@ -162,9 +177,15 @@ class SluggerUtil {
         * Convert string to safe slug
         *
         * @param string $data The data string
-        * @return string The slugged data
+        * @return ?string The slugged data
         */
-       function slug(string $data): string {
+       function slug(?string $data): ?string {
+               //With null
+               if ($data === null) {
+                       //Return null
+                       return $data;
+               }
+
                //Use Transliterator if available
                if (class_exists('Transliterator')) {
                        //Convert from any to latin, then to ascii and lowercase
@@ -172,6 +193,7 @@ class SluggerUtil {
                        //Replace every non alphanumeric character by dash then trim dash
                        return trim(preg_replace('/[^a-zA-Z0-9]+/', '-', $trans->transliterate($data)), '-');
                }
+
                //Convert from utf-8 to ascii, replace quotes with space, remove non alphanumericseparator, replace separator with dash and trim dash
                return trim(preg_replace('/[\/_|+ -]+/', '-', strtolower(preg_replace('/[^a-zA-Z0-9\/_|+ -]/', '', str_replace(['\'', '"'], ' ', iconv('UTF-8', 'ASCII//TRANSLIT', $data))))), '-');
        }
@@ -184,7 +206,7 @@ class SluggerUtil {
         */
        public function unserialize(string $data): array {
                //Return unshorted unserialized string
-               return unserialize($this->unshort($data));
+               return json_decode($this->unshort($data), true);
        }
 
        /**