Make stripAccents working

lib/GaletteOAuth2/Authorization/UserHelper.php

@@ -121,9 +121,9 @@ public static function getUserData(Container $container, int $id, array $options
         //Normalized format s.name (example mail usage : [email protected] )
         //FIXME: why don't use email directly?
         $norm_login =
-        mb_substr(self::stripAccents(mb_strtolower($member->surname)), 0, 1) .
+        mb_substr(self::stripAccents($member->surname), 0, 1) .
         '.' .
-        self::stripAccents(mb_strtolower($nameFPart));
+        self::stripAccents($nameFPart);
 
         $etat_adhesion = ($member->isActive() && $member->isUp2Date()) || $member->isAdmin();
 
@@ -181,7 +181,7 @@ public static function getUserData(Container $container, int $id, array $options
             $group = trim($group);
             $group = str_replace([' ', '/', '(', ')'], ['_', '', '', ''], $group);
             $group = str_replace('__', '_', $group);
-            $group = mb_strtolower(self::stripAccents($group));
+            $group = self::stripAccents($group);
         }
         $groups = implode(',', $groups);
 
@@ -245,15 +245,19 @@ public static function mergeOptions(Config $config, $client_id, array $oauth_sco
     // 'email' => '[email protected]', 'emailVerified' => NULL, 'phone' => NULL,
     // 'address' => NULL, 'country' => NULL, 'region' => NULL, 'city' => NULL, 'zip' => NULL
 
+    /**
+     * Strips accented characters, lower string
+     *
+     * @param string $str
+     * @return string
+     */
     public static function stripAccents(string $str): string
     {
-        //FIXME: there is probably a better way to go.
-        //try with something like transliterator_transliterate("Any-Latin; Latin-ASCII; [^a-zA-Z0-9\.\ -_] Remove;", $str);
-        //see https://www.matthecat.com/supprimer-les-accents-d-une-chaine-avec-php.html and https://stackoverflow.com/a/35177682
-        return strtr(
-            $str,
-            'ÀÁÂÃÄÅÆÇÈÉÊËÌÍÎÏÐÑÒÓÔÕÖØÙÚÛÜÝßàáâãäåæçèéêëìíîïñòóôõöøùúûüýÿĀāĂ㥹ĆćĈĉĊċČčĎďĐđĒēĔĕĖėĘęĚěĜĝĞğĠġĢģĤĥĦħĨĩĪīĬĭĮįİıIJijĴĵĶķĹĺĻļĽľĿŀŁłŃńŅņŇňʼnŌōŎŏŐőŒœŔŕŖŗŘřŚśŜŝŞşŠšŢţŤťŦŧŨũŪūŬŭŮůŰűŲųŴŵŶŷŸŹźŻżŽžſƒƠơƯưǍǎǏǐǑǒǓǔǕǖǗǘǙǚǛǜǺǻǼǽǾǿ',
-            'AAAAAAAECEEEEIIIIDNOOOOOOUUUUYsaaaaaaaeceeeeiiiinoooooouuuuyyAaAaAaCcCcCcCcDdDdEeEeEeEeEeGgGgGgGgHhHhIiIiIiIiIiIJijJjKkLlLlLlLlllNnNnNnnOoOoOoOEoeRrRrRrSsSsSsSsTtTtTtUuUuUuUuUuUuWwYyYZzZzZzsfOoUuAaIiOoUuUuUuUuUuAaAEaeOo'
+        return mb_strtolower(
+            transliterator_transliterate(
+                "Any-Latin; Latin-ASCII; [^a-zA-Z0-9\.\ -_] Remove;",
+                $str
+            )
         );
     }
 }

tests/GaletteOAuth2/Authorization/tests/units/UserHelper.php

@@ -42,8 +42,8 @@ public function testStripAccents(): void
         /** @var \Galette\Core\Plugins */
         global $plugins;
 
-        $str = "éè";
-        $this->assertSame('ee', \GaletteOAuth2\Authorization\UserHelper::stripAccents($str));
+        $str = "çéè-ßØ";
+        $this->assertSame('cee-sso', \GaletteOAuth2\Authorization\UserHelper::stripAccents($str));
     }
 
     /**