Fixed o_avatars_dir field validation

app/Models/Pages/Admin/Options.php

@@ -145,7 +145,13 @@ class Options extends Admin
      */
     public function vCheckDir(Validator $v, $dir)
     {
-        $dir = '/' . \trim(\str_replace(['\\', '.', '//', ':'], ['/', '', '', ''], $dir), '/'); //?????
+        $dir = '/' . \trim(\str_replace(['\\', '.', '//', ':'], ['/', '', '', ''], $dir), '/');
+
+        if (! \is_dir($dir)) {
+            $v->addError('The folder for uploading avatars is incorrectly');
+        } elseif (! \is_writable($dir)) {
+            $v->addError('For PHP, it is forbidden to write in the folder for uploading avatars');
+        }
 
         return $dir;
     }
@@ -515,7 +521,7 @@ class Options extends Admin
                     'maxlength' => '255',
                     'value'     => $config->o_avatars_dir,
                     'caption'   => __('Upload directory label'),
-                    'info'      => __('Upload directory help'),
+                    'info'      => __('Upload directory help', $this->c->PUBLIC_URL),
                     'required'  => true,
                 ],
                 'i_avatars_width' => [

app/lang/en/admin_options.po

@@ -253,7 +253,7 @@ msgid "Upload directory label"
 msgstr "Upload directory"
 
 msgid "Upload directory help"
-msgstr "The upload directory for avatars (relative to the ForkBB root directory). PHP must have write permissions to this directory."
+msgstr "The upload directory for avatars (relative to %s). PHP must have write permissions to this directory."
 
 msgid "Max width label"
 msgstr "Max width"
@@ -446,3 +446,9 @@ msgstr "Result for guest"
 
 msgid "Result for guest help"
 msgstr "The guests see the voting results."
+
+msgid "The folder for uploading avatars is incorrectly"
+msgstr "The folder for uploading avatars is incorrectly."
+
+msgid "For PHP, it is forbidden to write in the folder for uploading avatars"
+msgstr "For PHP, it is forbidden to write in the folder for uploading avatars."

app/lang/ru/admin_options.po

@@ -253,7 +253,7 @@ msgid "Upload directory label"
 msgstr "Папка для загрузки"
 
 msgid "Upload directory help"
-msgstr "Папка загрузки аватар (относительно корня форума). Необходимо дать PHP права на запись в эту папку."
+msgstr "Папка загрузки аватар (относительно %s). Необходимо дать PHP права на запись в эту папку."
 
 msgid "Max width label"
 msgstr "Макс. ширина"
@@ -446,3 +446,9 @@ msgstr "Результат для гостя"
 
 msgid "Result for guest help"
 msgstr "Гости видят результаты голосования."
+
+msgid "The folder for uploading avatars is incorrectly"
+msgstr "Неправильно указана папка для аватарок."
+
+msgid "For PHP, it is forbidden to write in the folder for uploading avatars"
+msgstr "Для PHP установлен запрет на запись в папку аватарок."