commit b49424b6eec0851f96c0276bc00aee4c3f67a964
Author: Benjamin <benjamin@cartememoire.org>
Date:   Thu Jan 29 18:43:58 2026 +0100

    Begin RHPZ Server.

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..f209606
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,4 @@
+.env
+.idea
+node_modules
+vendor
\ No newline at end of file
diff --git a/composer.json b/composer.json
new file mode 100644
index 0000000..f566bd7
--- /dev/null
+++ b/composer.json
@@ -0,0 +1,18 @@
+{
+    "name": "romhackplaza/file-server",
+    "type": "project",
+    "authors": [
+        {
+            "name": "Benjamin",
+            "email": "benjamin@cartememoire.org"
+        }
+    ],
+    "autoload": {
+        "psr-4": {
+            "RomhackPlazaFS\\": "src/"
+        }
+    },
+    "require": {
+        "vlucas/phpdotenv": "^5.6"
+    }
+}
diff --git a/composer.lock b/composer.lock
new file mode 100644
index 0000000..82eb6b3
--- /dev/null
+++ b/composer.lock
@@ -0,0 +1,492 @@
+{
+    "_readme": [
+        "This file locks the dependencies of your project to a known state",
+        "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
+        "This file is @generated automatically"
+    ],
+    "content-hash": "66c99d67287c11e948f7517be5bc239c",
+    "packages": [
+        {
+            "name": "graham-campbell/result-type",
+            "version": "v1.1.4",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/GrahamCampbell/Result-Type.git",
+                "reference": "e01f4a821471308ba86aa202fed6698b6b695e3b"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/GrahamCampbell/Result-Type/zipball/e01f4a821471308ba86aa202fed6698b6b695e3b",
+                "reference": "e01f4a821471308ba86aa202fed6698b6b695e3b",
+                "shasum": ""
+            },
+            "require": {
+                "php": "^7.2.5 || ^8.0",
+                "phpoption/phpoption": "^1.9.5"
+            },
+            "require-dev": {
+                "phpunit/phpunit": "^8.5.41 || ^9.6.22 || ^10.5.45 || ^11.5.7"
+            },
+            "type": "library",
+            "autoload": {
+                "psr-4": {
+                    "GrahamCampbell\\ResultType\\": "src/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Graham Campbell",
+                    "email": "hello@gjcampbell.co.uk",
+                    "homepage": "https://github.com/GrahamCampbell"
+                }
+            ],
+            "description": "An Implementation Of The Result Type",
+            "keywords": [
+                "Graham Campbell",
+                "GrahamCampbell",
+                "Result Type",
+                "Result-Type",
+                "result"
+            ],
+            "support": {
+                "issues": "https://github.com/GrahamCampbell/Result-Type/issues",
+                "source": "https://github.com/GrahamCampbell/Result-Type/tree/v1.1.4"
+            },
+            "funding": [
+                {
+                    "url": "https://github.com/GrahamCampbell",
+                    "type": "github"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/graham-campbell/result-type",
+                    "type": "tidelift"
+                }
+            ],
+            "time": "2025-12-27T19:43:20+00:00"
+        },
+        {
+            "name": "phpoption/phpoption",
+            "version": "1.9.5",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/schmittjoh/php-option.git",
+                "reference": "75365b91986c2405cf5e1e012c5595cd487a98be"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/schmittjoh/php-option/zipball/75365b91986c2405cf5e1e012c5595cd487a98be",
+                "reference": "75365b91986c2405cf5e1e012c5595cd487a98be",
+                "shasum": ""
+            },
+            "require": {
+                "php": "^7.2.5 || ^8.0"
+            },
+            "require-dev": {
+                "bamarni/composer-bin-plugin": "^1.8.2",
+                "phpunit/phpunit": "^8.5.44 || ^9.6.25 || ^10.5.53 || ^11.5.34"
+            },
+            "type": "library",
+            "extra": {
+                "bamarni-bin": {
+                    "bin-links": true,
+                    "forward-command": false
+                },
+                "branch-alias": {
+                    "dev-master": "1.9-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "PhpOption\\": "src/PhpOption/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "Apache-2.0"
+            ],
+            "authors": [
+                {
+                    "name": "Johannes M. Schmitt",
+                    "email": "schmittjoh@gmail.com",
+                    "homepage": "https://github.com/schmittjoh"
+                },
+                {
+                    "name": "Graham Campbell",
+                    "email": "hello@gjcampbell.co.uk",
+                    "homepage": "https://github.com/GrahamCampbell"
+                }
+            ],
+            "description": "Option Type for PHP",
+            "keywords": [
+                "language",
+                "option",
+                "php",
+                "type"
+            ],
+            "support": {
+                "issues": "https://github.com/schmittjoh/php-option/issues",
+                "source": "https://github.com/schmittjoh/php-option/tree/1.9.5"
+            },
+            "funding": [
+                {
+                    "url": "https://github.com/GrahamCampbell",
+                    "type": "github"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/phpoption/phpoption",
+                    "type": "tidelift"
+                }
+            ],
+            "time": "2025-12-27T19:41:33+00:00"
+        },
+        {
+            "name": "symfony/polyfill-ctype",
+            "version": "v1.33.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/symfony/polyfill-ctype.git",
+                "reference": "a3cc8b044a6ea513310cbd48ef7333b384945638"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/symfony/polyfill-ctype/zipball/a3cc8b044a6ea513310cbd48ef7333b384945638",
+                "reference": "a3cc8b044a6ea513310cbd48ef7333b384945638",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=7.2"
+            },
+            "provide": {
+                "ext-ctype": "*"
+            },
+            "suggest": {
+                "ext-ctype": "For best performance"
+            },
+            "type": "library",
+            "extra": {
+                "thanks": {
+                    "url": "https://github.com/symfony/polyfill",
+                    "name": "symfony/polyfill"
+                }
+            },
+            "autoload": {
+                "files": [
+                    "bootstrap.php"
+                ],
+                "psr-4": {
+                    "Symfony\\Polyfill\\Ctype\\": ""
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Gert de Pagter",
+                    "email": "BackEndTea@gmail.com"
+                },
+                {
+                    "name": "Symfony Community",
+                    "homepage": "https://symfony.com/contributors"
+                }
+            ],
+            "description": "Symfony polyfill for ctype functions",
+            "homepage": "https://symfony.com",
+            "keywords": [
+                "compatibility",
+                "ctype",
+                "polyfill",
+                "portable"
+            ],
+            "support": {
+                "source": "https://github.com/symfony/polyfill-ctype/tree/v1.33.0"
+            },
+            "funding": [
+                {
+                    "url": "https://symfony.com/sponsor",
+                    "type": "custom"
+                },
+                {
+                    "url": "https://github.com/fabpot",
+                    "type": "github"
+                },
+                {
+                    "url": "https://github.com/nicolas-grekas",
+                    "type": "github"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/symfony/symfony",
+                    "type": "tidelift"
+                }
+            ],
+            "time": "2024-09-09T11:45:10+00:00"
+        },
+        {
+            "name": "symfony/polyfill-mbstring",
+            "version": "v1.33.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/symfony/polyfill-mbstring.git",
+                "reference": "6d857f4d76bd4b343eac26d6b539585d2bc56493"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/symfony/polyfill-mbstring/zipball/6d857f4d76bd4b343eac26d6b539585d2bc56493",
+                "reference": "6d857f4d76bd4b343eac26d6b539585d2bc56493",
+                "shasum": ""
+            },
+            "require": {
+                "ext-iconv": "*",
+                "php": ">=7.2"
+            },
+            "provide": {
+                "ext-mbstring": "*"
+            },
+            "suggest": {
+                "ext-mbstring": "For best performance"
+            },
+            "type": "library",
+            "extra": {
+                "thanks": {
+                    "url": "https://github.com/symfony/polyfill",
+                    "name": "symfony/polyfill"
+                }
+            },
+            "autoload": {
+                "files": [
+                    "bootstrap.php"
+                ],
+                "psr-4": {
+                    "Symfony\\Polyfill\\Mbstring\\": ""
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Nicolas Grekas",
+                    "email": "p@tchwork.com"
+                },
+                {
+                    "name": "Symfony Community",
+                    "homepage": "https://symfony.com/contributors"
+                }
+            ],
+            "description": "Symfony polyfill for the Mbstring extension",
+            "homepage": "https://symfony.com",
+            "keywords": [
+                "compatibility",
+                "mbstring",
+                "polyfill",
+                "portable",
+                "shim"
+            ],
+            "support": {
+                "source": "https://github.com/symfony/polyfill-mbstring/tree/v1.33.0"
+            },
+            "funding": [
+                {
+                    "url": "https://symfony.com/sponsor",
+                    "type": "custom"
+                },
+                {
+                    "url": "https://github.com/fabpot",
+                    "type": "github"
+                },
+                {
+                    "url": "https://github.com/nicolas-grekas",
+                    "type": "github"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/symfony/symfony",
+                    "type": "tidelift"
+                }
+            ],
+            "time": "2024-12-23T08:48:59+00:00"
+        },
+        {
+            "name": "symfony/polyfill-php80",
+            "version": "v1.33.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/symfony/polyfill-php80.git",
+                "reference": "0cc9dd0f17f61d8131e7df6b84bd344899fe2608"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/symfony/polyfill-php80/zipball/0cc9dd0f17f61d8131e7df6b84bd344899fe2608",
+                "reference": "0cc9dd0f17f61d8131e7df6b84bd344899fe2608",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=7.2"
+            },
+            "type": "library",
+            "extra": {
+                "thanks": {
+                    "url": "https://github.com/symfony/polyfill",
+                    "name": "symfony/polyfill"
+                }
+            },
+            "autoload": {
+                "files": [
+                    "bootstrap.php"
+                ],
+                "psr-4": {
+                    "Symfony\\Polyfill\\Php80\\": ""
+                },
+                "classmap": [
+                    "Resources/stubs"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Ion Bazan",
+                    "email": "ion.bazan@gmail.com"
+                },
+                {
+                    "name": "Nicolas Grekas",
+                    "email": "p@tchwork.com"
+                },
+                {
+                    "name": "Symfony Community",
+                    "homepage": "https://symfony.com/contributors"
+                }
+            ],
+            "description": "Symfony polyfill backporting some PHP 8.0+ features to lower PHP versions",
+            "homepage": "https://symfony.com",
+            "keywords": [
+                "compatibility",
+                "polyfill",
+                "portable",
+                "shim"
+            ],
+            "support": {
+                "source": "https://github.com/symfony/polyfill-php80/tree/v1.33.0"
+            },
+            "funding": [
+                {
+                    "url": "https://symfony.com/sponsor",
+                    "type": "custom"
+                },
+                {
+                    "url": "https://github.com/fabpot",
+                    "type": "github"
+                },
+                {
+                    "url": "https://github.com/nicolas-grekas",
+                    "type": "github"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/symfony/symfony",
+                    "type": "tidelift"
+                }
+            ],
+            "time": "2025-01-02T08:10:11+00:00"
+        },
+        {
+            "name": "vlucas/phpdotenv",
+            "version": "v5.6.3",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/vlucas/phpdotenv.git",
+                "reference": "955e7815d677a3eaa7075231212f2110983adecc"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/vlucas/phpdotenv/zipball/955e7815d677a3eaa7075231212f2110983adecc",
+                "reference": "955e7815d677a3eaa7075231212f2110983adecc",
+                "shasum": ""
+            },
+            "require": {
+                "ext-pcre": "*",
+                "graham-campbell/result-type": "^1.1.4",
+                "php": "^7.2.5 || ^8.0",
+                "phpoption/phpoption": "^1.9.5",
+                "symfony/polyfill-ctype": "^1.26",
+                "symfony/polyfill-mbstring": "^1.26",
+                "symfony/polyfill-php80": "^1.26"
+            },
+            "require-dev": {
+                "bamarni/composer-bin-plugin": "^1.8.2",
+                "ext-filter": "*",
+                "phpunit/phpunit": "^8.5.34 || ^9.6.13 || ^10.4.2"
+            },
+            "suggest": {
+                "ext-filter": "Required to use the boolean validator."
+            },
+            "type": "library",
+            "extra": {
+                "bamarni-bin": {
+                    "bin-links": true,
+                    "forward-command": false
+                },
+                "branch-alias": {
+                    "dev-master": "5.6-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Dotenv\\": "src/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "BSD-3-Clause"
+            ],
+            "authors": [
+                {
+                    "name": "Graham Campbell",
+                    "email": "hello@gjcampbell.co.uk",
+                    "homepage": "https://github.com/GrahamCampbell"
+                },
+                {
+                    "name": "Vance Lucas",
+                    "email": "vance@vancelucas.com",
+                    "homepage": "https://github.com/vlucas"
+                }
+            ],
+            "description": "Loads environment variables from `.env` to `getenv()`, `$_ENV` and `$_SERVER` automagically.",
+            "keywords": [
+                "dotenv",
+                "env",
+                "environment"
+            ],
+            "support": {
+                "issues": "https://github.com/vlucas/phpdotenv/issues",
+                "source": "https://github.com/vlucas/phpdotenv/tree/v5.6.3"
+            },
+            "funding": [
+                {
+                    "url": "https://github.com/GrahamCampbell",
+                    "type": "github"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/vlucas/phpdotenv",
+                    "type": "tidelift"
+                }
+            ],
+            "time": "2025-12-27T19:49:13+00:00"
+        }
+    ],
+    "packages-dev": [],
+    "aliases": [],
+    "minimum-stability": "stable",
+    "stability-flags": {},
+    "prefer-stable": false,
+    "prefer-lowest": false,
+    "platform": {},
+    "platform-dev": {},
+    "plugin-api-version": "2.9.0"
+}
diff --git a/data/translations/3/private/toto.txt b/data/translations/3/private/toto.txt
new file mode 100644
index 0000000..25ecf8e
--- /dev/null
+++ b/data/translations/3/private/toto.txt
@@ -0,0 +1 @@
+fv
\ No newline at end of file
diff --git a/public/index.php b/public/index.php
new file mode 100644
index 0000000..bf170e8
--- /dev/null
+++ b/public/index.php
@@ -0,0 +1,4 @@
+<?php
+
+define( 'ROMHACKPLAZA_FS', true );
+require_once __DIR__ . "/../src/bootstrap.php";
\ No newline at end of file
diff --git a/src/Endpoints/Abstract_Endpoint.php b/src/Endpoints/Abstract_Endpoint.php
new file mode 100644
index 0000000..7597a24
--- /dev/null
+++ b/src/Endpoints/Abstract_Endpoint.php
@@ -0,0 +1,59 @@
+<?php
+
+namespace RomhackPlazaFS\Endpoints;
+use RomhackPlazaFS\Exceptions\InvalidTokenException;
+use RomhackPlazaFS\Exceptions\TokenExpiredException;
+use RomhackPlazaFS\Exceptions\WrongServerException;
+use RomhackPlazaFS\RomhackPlazaFS;
+
+defined( 'ROMHACKPLAZA_FS' ) || exit;
+
+abstract class Abstract_Endpoint {
+
+    use \RomhackPlazaFS\SecurityTrait;
+    use \RomhackPlazaFS\SwifferTrait;
+
+    protected RomhackPlazaFS $fs;
+    protected ?array $token_info = null;
+
+    public function exec( RomhackPlazaFS &$FS ) {
+
+        $this->fs = &$FS;
+        if( $this->private_endpoint() )
+            RomhackPlazaFS::allow_only_for_main_site();
+
+        if( $this->require_token() )
+            $this->check_token();
+
+        $this->get_post_params();
+        $this->process();
+
+    }
+
+    private function check_token( string $token_name = "zeus" ){
+
+        $token = $this->fs->give_token( $token_name );
+        if( $token === "" )
+            RomhackPlazaFS::fatal_stop( 400, "Zeus is dead... Really sad..." );
+
+        try{
+            $this->token_info = $this->verify_token( $token ) ?? null;
+        } catch ( InvalidTokenException $e ){
+            RomhackPlazaFS::fatal_stop( 400, "You can't reach Zeus, sad..." );
+        } catch ( TokenExpiredException $e ){
+            RomhackPlazaFS::fatal_stop( 400, "Zeus is not here anymore, sad...");
+        } catch ( WrongServerException $e ){
+            RomhackPlazaFS::fatal_stop( 400, "Why you want to reach Zeus ?");
+        }
+
+        if( $this->token_info['action'] !== $this->fs->endpoint_requested )
+            RomhackPlazaFS::fatal_stop( 400, "There are not two Zeus..." );
+
+    }
+
+    abstract protected function private_endpoint(): bool;
+    abstract protected function require_token(): bool;
+    abstract protected function get_post_params(): void;
+    abstract protected function process(): void;
+
+}
\ No newline at end of file
diff --git a/src/Endpoints/Checkexistence.php b/src/Endpoints/Checkexistence.php
new file mode 100644
index 0000000..36811fd
--- /dev/null
+++ b/src/Endpoints/Checkexistence.php
@@ -0,0 +1,58 @@
+<?php
+
+namespace RomhackPlazaFS\Endpoints;
+use RomhackPlazaFS\Library\Data;
+use RomhackPlazaFS\RomhackPlazaFS;
+
+defined( 'ROMHACKPLAZA_FS' ) || exit;
+
+class Checkexistence extends Abstract_Endpoint {
+
+    private int $post_id;
+    private string $custom_post_type;
+    private string $file_name;
+
+    protected function private_endpoint(): bool
+    {
+        return false;
+    }
+
+    protected function require_token(): bool
+    {
+        return true;
+    }
+
+    protected function get_post_params(): void {
+
+        $this->post_id = $this->swiffer_post( "post_id", "int" );
+        if( $this->post_id < 1 )
+            RomhackPlazaFS::invalid_parameter_stop( "post_id", "POST" );
+
+        $this->custom_post_type = $this->swiffer_post( "post_type", "string" );
+        if( $this->custom_post_type === "" )
+            RomhackPlazaFS::invalid_parameter_stop( "post_type", "POST" );
+
+        $this->file_name = $this->swiffer_post( "filename", "filename" );
+        if( $this->file_name === "" )
+            RomhackPlazaFS::invalid_parameter_stop( "filename", "POST" );
+
+    }
+
+    protected function process(): void {
+
+        $file_exists = Data::setup(
+            $this->custom_post_type,
+            $this->post_id,
+            $this->file_name
+        )->file_exists();
+
+        $resp = [
+            'file_exists' => $file_exists,
+        ];
+
+        RomhackPlazaFS::success_response( $resp );
+
+    }
+
+
+}
\ No newline at end of file
diff --git a/src/Endpoints/Deletefile.php b/src/Endpoints/Deletefile.php
new file mode 100644
index 0000000..01a0db2
--- /dev/null
+++ b/src/Endpoints/Deletefile.php
@@ -0,0 +1,66 @@
+<?php
+
+namespace RomhackPlazaFS\Endpoints;
+use RomhackPlazaFS\Library\Data;
+use RomhackPlazaFS\RomhackPlazaFS;
+
+defined( 'ROMHACKPLAZA_FS' ) || exit;
+
+class Deletefile extends Abstract_Endpoint {
+
+    private int $post_id;
+    private string $custom_post_type;
+    private string $file_name;
+
+    protected function private_endpoint(): bool
+    {
+        return false;
+    }
+
+    protected function require_token(): bool
+    {
+        return false;
+    }
+
+    protected function get_post_params(): void {
+
+        $this->post_id = $this->swiffer_post( "post_id", "int" );
+        if( $this->post_id < 1 )
+            RomhackPlazaFS::invalid_parameter_stop( "post_id", "POST" );
+
+        $this->custom_post_type = $this->swiffer_post( "post_type", "string" );
+        if( $this->custom_post_type === "" )
+            RomhackPlazaFS::invalid_parameter_stop( "post_type", "POST" );
+
+        $this->file_name = $this->swiffer_post( "filename", "filename" );
+        if( $this->file_name === "" )
+            RomhackPlazaFS::invalid_parameter_stop( "filename", "POST" );
+
+    }
+
+    protected function process(): void {
+
+        $data = Data::setup(
+            $this->custom_post_type,
+            $this->post_id,
+            $this->file_name,
+        );
+
+        if( !$data->file_exists() )
+            RomhackPlazaFS::fatal_stop( 404, "File not found." );
+
+        $new_data = Data::setup(
+            $this->custom_post_type,
+            $this->post_id,
+            $this->file_name,
+            Data::F_DELETED_FILE
+        );
+
+        if( $data->change_data_location( $new_data ) )
+            RomhackPlazaFS::success_response( [ 'status' => Data::STATUS_DELETED ] );
+
+        RomhackPlazaFS::fatal_stop( 500, "Error during file marking" );
+
+    }
+
+}
\ No newline at end of file
diff --git a/src/Endpoints/Downloadfilelist.php b/src/Endpoints/Downloadfilelist.php
new file mode 100644
index 0000000..ac2eac8
--- /dev/null
+++ b/src/Endpoints/Downloadfilelist.php
@@ -0,0 +1,56 @@
+<?php
+
+namespace RomhackPlazaFS\Endpoints;
+use RomhackPlazaFS\Library\Data;
+use RomhackPlazaFS\RomhackPlazaFS;
+
+defined( 'ROMHACKPLAZA_FS' ) || exit;
+
+class Downloadfilelist extends Abstract_Endpoint {
+
+    private int $post_id;
+    private string $custom_post_type;
+    protected function private_endpoint(): bool
+    {
+        return false;
+    }
+
+    protected function require_token(): bool
+    {
+        return false;
+    }
+
+    protected function get_post_params(): void {
+
+        $this->post_id = $this->swiffer_post( "post_id", "int" );
+        if( $this->post_id < 1 )
+            RomhackPlazaFS::invalid_parameter_stop( "post_id", "POST" );
+
+        $this->custom_post_type = $this->swiffer_post( "post_type", "string" );
+        if( $this->custom_post_type === "" )
+            RomhackPlazaFS::invalid_parameter_stop( "post_type", "POST" );
+
+    }
+
+    protected function process(): void {
+
+        $data = Data::setup(
+            $this->custom_post_type,
+            $this->post_id
+        );
+        $archived = Data::setup(
+            $this->custom_post_type,
+            $this->post_id,
+            flags: Data::F_ARCHIVED_FILE
+        );
+
+        $response = [];
+        $response['files'] = $data->list_files( $this->custom_post_type, $this->post_id );
+        $response['archived'] = $archived->list_files( $this->custom_post_type, $this->post_id );
+
+        RomhackPlazaFS::success_response( $response );
+
+    }
+
+
+}
\ No newline at end of file
diff --git a/src/Endpoints/Editorfilelist.php b/src/Endpoints/Editorfilelist.php
new file mode 100644
index 0000000..be68aeb
--- /dev/null
+++ b/src/Endpoints/Editorfilelist.php
@@ -0,0 +1,62 @@
+<?php
+
+namespace RomhackPlazaFS\Endpoints;
+use RomhackPlazaFS\Library\Data;
+use RomhackPlazaFS\RomhackPlazaFS;
+
+defined( 'ROMHACKPLAZA_FS' ) || exit;
+
+class Editorfilelist extends Abstract_Endpoint {
+
+    private int $post_id;
+    private string $custom_post_type;
+    protected function private_endpoint(): bool
+    {
+        return false;
+    }
+
+    protected function require_token(): bool
+    {
+        return false;
+    }
+
+    protected function get_post_params(): void {
+
+        $this->post_id = $this->swiffer_post( "post_id", "int" );
+        if( $this->post_id < 1 )
+            RomhackPlazaFS::invalid_parameter_stop( "post_id", "POST" );
+
+        $this->custom_post_type = $this->swiffer_post( "post_type", "string" );
+        if( $this->custom_post_type === "" )
+            RomhackPlazaFS::invalid_parameter_stop( "post_type", "POST" );
+
+    }
+
+    protected function process(): void {
+
+        $data = Data::setup(
+            $this->custom_post_type,
+            $this->post_id
+        );
+        $private = Data::setup(
+            $this->custom_post_type,
+            $this->post_id,
+            flags: Data::F_PRIVATE_FILE
+        );
+        $archived = Data::setup(
+            $this->custom_post_type,
+            $this->post_id,
+            flags: Data::F_ARCHIVED_FILE
+        );
+
+        $response = [];
+        $response['files'] = $data->list_files( $this->custom_post_type, $this->post_id );
+        $response['private'] = $private->list_files( $this->custom_post_type, $this->post_id );
+        $response['archived'] = $archived->list_files( $this->custom_post_type, $this->post_id );
+
+        RomhackPlazaFS::success_response( $response );
+
+    }
+
+
+}
\ No newline at end of file
diff --git a/src/Endpoints/Fileexplorer.php b/src/Endpoints/Fileexplorer.php
new file mode 100644
index 0000000..d58f149
--- /dev/null
+++ b/src/Endpoints/Fileexplorer.php
@@ -0,0 +1,79 @@
+<?php
+
+namespace RomhackPlazaFS\Endpoints;
+use RomhackPlazaFS\Library\Data;
+use RomhackPlazaFS\RomhackPlazaFS;
+
+defined( 'ROMHACKPLAZA_FS' ) || exit;
+
+class Fileexplorer extends Abstract_Endpoint {
+
+    private int $post_id;
+    private string $custom_post_type;
+    private string $file_name;
+    private string $is_private;
+    private string $is_archived;
+
+    protected function private_endpoint(): bool
+    {
+        return false;
+    }
+
+    protected function require_token(): bool
+    {
+        return false;
+    }
+
+    protected function get_post_params(): void {
+
+        $this->post_id = $this->swiffer_post( "post_id", "int" );
+        if( $this->post_id < 1 )
+            RomhackPlazaFS::invalid_parameter_stop( "post_id", "POST" );
+
+        $this->custom_post_type = $this->swiffer_post( "post_type", "string" );
+        if( $this->custom_post_type === "" )
+            RomhackPlazaFS::invalid_parameter_stop( "post_type", "POST" );
+
+        $this->file_name = $this->swiffer_post( "filename", "filename" );
+        if( $this->file_name === "" )
+            RomhackPlazaFS::invalid_parameter_stop( "filename", "POST" );
+
+        $this->is_private = $this->swiffer_post( "is_private", "string" );
+        if( $this->is_private !== "no" && $this->is_private !== "yes" )
+            $this->is_private = "no";
+
+        $this->is_archived = $this->swiffer_post( "is_archived", "string" );
+        if( $this->is_archived !== "no" && $this->is_archived !== "yes" )
+            $this->is_archived = "no";
+
+    }
+
+    protected function process(): void {
+
+        $flags = 0;
+        if( $this->is_private === "yes" )
+            $flags |= Data::F_PRIVATE_FILE;
+        else if( $this->is_archived === "yes" )
+            $flags |= Data::F_ARCHIVED_FILE;
+
+        $data = Data::setup(
+            $this->custom_post_type,
+            $this->post_id,
+            $this->file_name,
+            $flags
+        );
+
+        if( !$data->file_exists() )
+            RomhackPlazaFS::fatal_stop( 404, "File not found." );
+
+        $response = [];
+        $response['files'] = $data->list_files( $this->custom_post_type, $this->post_id );
+        $response['private'] = $private->list_files( $this->custom_post_type, $this->post_id );
+        $response['archived'] = $archived->list_files( $this->custom_post_type, $this->post_id );
+
+        RomhackPlazaFS::success_response( $response );
+
+    }
+
+
+}
\ No newline at end of file
diff --git a/src/Endpoints/Generatetestkey.php b/src/Endpoints/Generatetestkey.php
new file mode 100644
index 0000000..6c8c18b
--- /dev/null
+++ b/src/Endpoints/Generatetestkey.php
@@ -0,0 +1,48 @@
+<?php
+
+namespace RomhackPlazaFS\Endpoints;
+use RomhackPlazaFS\RomhackPlazaFS;
+
+defined( 'ROMHACKPLAZA_FS' ) || exit;
+
+class Generatetestkey extends Abstract_Endpoint {
+
+    private string $action;
+
+    protected function private_endpoint(): bool
+    {
+       return false;
+    }
+    protected function require_token(): bool
+    {
+        return false;
+    }
+
+    protected function get_post_params(): void {
+
+        $this->action = $this->swiffer_get( "want_action", "string" );
+        if( $this->action === "" )
+            RomhackPlazaFS::fatal_stop( 400, "Invalid want_action GET parameter." );
+
+    }
+
+    protected function process(): void {
+
+        $info = [
+            'user_id' => 1,
+            'to' => $_ENV['ROMHACKPLAZAFS_URL'],
+            'action' => $this->action,
+            'generated_at' => time(),
+            'expires_at' => time() + 900,
+            'romhackplaza' => \bin2hex( random_bytes( 16 ) ),
+        ];
+
+        $json = json_encode( $info );
+        $sig = hash_hmac( 'sha256', $json, $_ENV['ROMHACKPLAZAFS_SECRET_KEY'] );
+
+        $end = base64_encode( $json ) . "|" . $sig;
+        RomhackPlazaFS::success_response( [ 'zeus' => $end ] );
+    }
+
+
+}
\ No newline at end of file
diff --git a/src/Endpoints/Markasarchived.php b/src/Endpoints/Markasarchived.php
new file mode 100644
index 0000000..dd6f5a9
--- /dev/null
+++ b/src/Endpoints/Markasarchived.php
@@ -0,0 +1,70 @@
+<?php
+
+namespace RomhackPlazaFS\Endpoints;
+use RomhackPlazaFS\Library\Data;
+use RomhackPlazaFS\RomhackPlazaFS;
+
+defined( 'ROMHACKPLAZA_FS' ) || exit;
+
+class Markasarchived extends Abstract_Endpoint {
+
+    private int $post_id;
+    private string $custom_post_type;
+    private string $file_name;
+
+    protected function private_endpoint(): bool
+    {
+        return false;
+    }
+
+    protected function require_token(): bool
+    {
+        return false;
+    }
+
+    protected function get_post_params(): void {
+
+        $this->post_id = $this->swiffer_post( "post_id", "int" );
+        if( $this->post_id < 1 )
+            RomhackPlazaFS::invalid_parameter_stop( "post_id", "POST" );
+
+        $this->custom_post_type = $this->swiffer_post( "post_type", "string" );
+        if( $this->custom_post_type === "" )
+            RomhackPlazaFS::invalid_parameter_stop( "post_type", "POST" );
+
+        $this->file_name = $this->swiffer_post( "filename", "filename" );
+        if( $this->file_name === "" )
+            RomhackPlazaFS::invalid_parameter_stop( "filename", "POST" );
+
+    }
+
+    protected function process(): void {
+
+        $data = Data::setup(
+            $this->custom_post_type,
+            $this->post_id,
+            $this->file_name,
+        );
+
+        if( !$data->file_exists() )
+            RomhackPlazaFS::fatal_stop( 404, "File not found." );
+
+        $new_data = Data::setup(
+            $this->custom_post_type,
+            $this->post_id,
+            $this->file_name,
+            Data::F_ARCHIVED_FILE
+        );
+
+        if( $new_data->file_exists() )
+            RomhackPlazaFS::fatal_stop( 500, "File already exists. You can't archive that have the same name than an other archived file." );
+
+        if( $data->change_data_location( $new_data ) )
+            RomhackPlazaFS::success_response( [ 'status' => Data::STATUS_ARCHIVED ] );
+
+        RomhackPlazaFS::fatal_stop( 500, "Error during file marking" );
+
+    }
+
+
+}
\ No newline at end of file
diff --git a/src/Endpoints/Markasprivate.php b/src/Endpoints/Markasprivate.php
new file mode 100644
index 0000000..eb68792
--- /dev/null
+++ b/src/Endpoints/Markasprivate.php
@@ -0,0 +1,70 @@
+<?php
+
+namespace RomhackPlazaFS\Endpoints;
+use RomhackPlazaFS\Library\Data;
+use RomhackPlazaFS\RomhackPlazaFS;
+
+defined( 'ROMHACKPLAZA_FS' ) || exit;
+
+class Markasprivate extends Abstract_Endpoint {
+
+    private int $post_id;
+    private string $custom_post_type;
+    private string $file_name;
+
+    protected function private_endpoint(): bool
+    {
+        return false;
+    }
+
+    protected function require_token(): bool
+    {
+        return false;
+    }
+
+    protected function get_post_params(): void {
+
+        $this->post_id = $this->swiffer_post( "post_id", "int" );
+        if( $this->post_id < 1 )
+            RomhackPlazaFS::invalid_parameter_stop( "post_id", "POST" );
+
+        $this->custom_post_type = $this->swiffer_post( "post_type", "string" );
+        if( $this->custom_post_type === "" )
+            RomhackPlazaFS::invalid_parameter_stop( "post_type", "POST" );
+
+        $this->file_name = $this->swiffer_post( "filename", "filename" );
+        if( $this->file_name === "" )
+            RomhackPlazaFS::invalid_parameter_stop( "filename", "POST" );
+
+    }
+
+    protected function process(): void {
+
+        $data = Data::setup(
+            $this->custom_post_type,
+            $this->post_id,
+            $this->file_name
+        );
+
+        if( !$data->file_exists() )
+            RomhackPlazaFS::fatal_stop( 404, "File not found." );
+
+        $new_data = Data::setup(
+            $this->custom_post_type,
+            $this->post_id,
+            $this->file_name,
+            Data::F_PRIVATE_FILE
+        );
+
+        if( $new_data->file_exists() )
+            RomhackPlazaFS::fatal_stop( 500, "File already exists. Can't replace. Please delete private file before." );
+
+        if( $data->change_data_location( $new_data ) )
+            RomhackPlazaFS::success_response( [ 'status' => Data::STATUS_PRIVATE ] );
+
+        RomhackPlazaFS::fatal_stop( 500, "Error during file marking" );
+
+    }
+
+
+}
\ No newline at end of file
diff --git a/src/Endpoints/Markaspublic.php b/src/Endpoints/Markaspublic.php
new file mode 100644
index 0000000..2e461ee
--- /dev/null
+++ b/src/Endpoints/Markaspublic.php
@@ -0,0 +1,70 @@
+<?php
+
+namespace RomhackPlazaFS\Endpoints;
+use RomhackPlazaFS\Library\Data;
+use RomhackPlazaFS\RomhackPlazaFS;
+
+defined( 'ROMHACKPLAZA_FS' ) || exit;
+
+class Markaspublic extends Abstract_Endpoint {
+
+    private int $post_id;
+    private string $custom_post_type;
+    private string $file_name;
+
+    protected function private_endpoint(): bool
+    {
+        return false;
+    }
+
+    protected function require_token(): bool
+    {
+        return false;
+    }
+
+    protected function get_post_params(): void {
+
+        $this->post_id = $this->swiffer_post( "post_id", "int" );
+        if( $this->post_id < 1 )
+            RomhackPlazaFS::invalid_parameter_stop( "post_id", "POST" );
+
+        $this->custom_post_type = $this->swiffer_post( "post_type", "string" );
+        if( $this->custom_post_type === "" )
+            RomhackPlazaFS::invalid_parameter_stop( "post_type", "POST" );
+
+        $this->file_name = $this->swiffer_post( "filename", "filename" );
+        if( $this->file_name === "" )
+            RomhackPlazaFS::invalid_parameter_stop( "filename", "POST" );
+
+    }
+
+    protected function process(): void {
+
+        $data = Data::setup(
+            $this->custom_post_type,
+            $this->post_id,
+            $this->file_name,
+            Data::F_PRIVATE_FILE
+        );
+
+        if( !$data->file_exists() )
+            RomhackPlazaFS::fatal_stop( 404, "File not found." );
+
+        $new_data = Data::setup(
+            $this->custom_post_type,
+            $this->post_id,
+            $this->file_name
+        );
+
+        if( $new_data->file_exists() )
+            RomhackPlazaFS::fatal_stop( 500, "File already exists. Can't replace. Please delete published file before." );
+
+        if( $data->change_data_location( $new_data ) )
+            RomhackPlazaFS::success_response( [ 'status' => Data::STATUS_PUBLISH ] );
+
+        RomhackPlazaFS::fatal_stop( 500, "Error during file marking" );
+
+    }
+
+
+}
\ No newline at end of file
diff --git a/src/Endpoints/Uploadchunk.php b/src/Endpoints/Uploadchunk.php
new file mode 100644
index 0000000..111ff48
--- /dev/null
+++ b/src/Endpoints/Uploadchunk.php
@@ -0,0 +1,66 @@
+<?php
+
+namespace RomhackPlazaFS\Endpoints;
+use RomhackPlazaFS\Library\Data;
+use RomhackPlazaFS\RomhackPlazaFS;
+
+defined( 'ROMHACKPLAZA_FS' ) || exit;
+
+class Uploadchunk extends Abstract_Endpoint {
+
+    private int $post_id;
+    private string $custom_post_type;
+    private string $file_name;
+    private int $current_chunk;
+    private int $total_chunks;
+
+    protected function private_endpoint(): bool
+    {
+        return false;
+    }
+
+    protected function require_token(): bool
+    {
+        return false;
+    }
+
+    protected function get_post_params(): void {
+
+        $this->post_id = $this->swiffer_post( "post_id", "int" );
+        if( $this->post_id < 1 )
+            RomhackPlazaFS::invalid_parameter_stop( "post_id", "POST" );
+
+        $this->custom_post_type = $this->swiffer_post( "post_type", "string" );
+        if( $this->custom_post_type === "" )
+            RomhackPlazaFS::invalid_parameter_stop( "post_type", "POST" );
+
+        $this->file_name = $this->swiffer_post( "filename", "filename" );
+        if( $this->file_name === "" )
+            RomhackPlazaFS::invalid_parameter_stop( "filename", "POST" );
+
+        $this->current_chunk = $this->swiffer_post( "current_chunk", "int" );
+        $this->total_chunks = $this->swiffer_post( "total_chunks", "int" );
+        if( $this->total_chunks < $this->current_chunk )
+            RomhackPlazaFS::invalid_parameter_stop( "current_chunk", "POST" );
+
+    }
+
+    protected function process(): void {
+
+        $data = Data::setup(
+            $this->custom_post_type,
+            $this->post_id,
+            $this->file_name
+        );
+
+        $data->file_path_to_temp();
+
+        if( $data->write( $this->current_chunk, $this->total_chunks ) )
+            RomhackPlazaFS::success_response( [ 'chunk' => $this->current_chunk, 'total_chunks' => $this->total_chunks, 'uploaded' => true ] );
+
+        RomhackPlazaFS::fatal_stop( 500, "Error during file writing" );
+
+    }
+
+
+}
\ No newline at end of file
diff --git a/src/Exceptions/InvalidArgumentException.php b/src/Exceptions/InvalidArgumentException.php
new file mode 100644
index 0000000..3c2a274
--- /dev/null
+++ b/src/Exceptions/InvalidArgumentException.php
@@ -0,0 +1,6 @@
+<?php
+
+namespace RomhackPlazaFS\Exceptions;
+defined( 'ROMHACKPLAZA_FS' ) || exit;
+
+class InvalidArgumentException extends \Exception {}
\ No newline at end of file
diff --git a/src/Exceptions/InvalidTokenException.php b/src/Exceptions/InvalidTokenException.php
new file mode 100644
index 0000000..49d44a8
--- /dev/null
+++ b/src/Exceptions/InvalidTokenException.php
@@ -0,0 +1,6 @@
+<?php
+
+namespace RomhackPlazaFS\Exceptions;
+defined( 'ROMHACKPLAZA_FS' ) || exit;
+
+class InvalidTokenException extends \Exception {}
\ No newline at end of file
diff --git a/src/Exceptions/TokenExpiredException.php b/src/Exceptions/TokenExpiredException.php
new file mode 100644
index 0000000..383d2b6
--- /dev/null
+++ b/src/Exceptions/TokenExpiredException.php
@@ -0,0 +1,6 @@
+<?php
+
+namespace RomhackPlazaFS\Exceptions;
+defined( 'ROMHACKPLAZA_FS' ) || exit;
+
+class TokenExpiredException extends \Exception {}
\ No newline at end of file
diff --git a/src/Exceptions/WrongServerException.php b/src/Exceptions/WrongServerException.php
new file mode 100644
index 0000000..0268b1d
--- /dev/null
+++ b/src/Exceptions/WrongServerException.php
@@ -0,0 +1,6 @@
+<?php
+
+namespace RomhackPlazaFS\Exceptions;
+defined( 'ROMHACKPLAZA_FS' ) || exit;
+
+class WrongServerException extends \Exception {}
\ No newline at end of file
diff --git a/src/Library/Data.php b/src/Library/Data.php
new file mode 100644
index 0000000..4de0074
--- /dev/null
+++ b/src/Library/Data.php
@@ -0,0 +1,269 @@
+<?php
+
+namespace RomhackPlazaFS\Library;
+use RomhackPlazaFS\RomhackPlazaFS;
+
+defined( 'ROMHACKPLAZA_FS' ) || exit;
+
+final class Data {
+
+    const F_PRIVATE_FILE = 1 << 1;
+    const F_DELETED_FILE = 1 << 2;
+    const F_ARCHIVED_FILE = 1 << 3;
+    const F_TEMPORARY_FILE = 1 << 4;
+
+    // ...
+
+    const string STATUS_PUBLISH = "publish";
+    const string STATUS_PRIVATE = "private";
+    const string STATUS_ARCHIVED = "archived";
+    const string STATUS_DELETED = "deleted";
+
+    // ...
+
+    const string TRASH_SUBFOLDER = "trash/";
+    const string PRIVATE_SUBFOLDER = "private/";
+    const string ARCHIVE_SUBFOLDER = "archive/";
+    const int CHUNK_SIZE = 8192;
+
+    public private(set) string $folder_path;
+    public private(set) ?string $file_path;
+    public private(set) ?string $old_file_path;
+    public private(set) int $flags;
+
+    public static function setup(
+        string $custom_post_type,
+        int $post_id,
+        ?string $file_name = null,
+        int $flags = 0
+    ){
+
+        $folder = $_ENV['ROMHACKPLAZAFS_FILE_FILES_PATH'] . $custom_post_type . '/' . $post_id . '/';
+
+        if( $flags & self::F_PRIVATE_FILE )
+            $folder .= self::PRIVATE_SUBFOLDER;
+        else if( $flags & self::F_ARCHIVED_FILE )
+            $folder .= self::ARCHIVE_SUBFOLDER;
+        else if( $flags & self::F_DELETED_FILE )
+            $folder = $_ENV['ROMHACKPLAZAFS_FILE_PATH'] . self::TRASH_SUBFOLDER;
+
+        self::check_folder_exists( $folder );
+
+        if( $file_name !== null ){
+            $file = $folder . $file_name;
+        } else {
+            $file = null;
+        }
+
+        return new self( $folder, $file, $flags );
+
+    }
+
+    private static function check_folder_exists(string $folder_path){
+
+        if( !file_exists($folder_path) ){
+            if( !mkdir($folder_path, 0777, true) )
+                RomhackPlazaFS::fatal_stop( 500, "Could not create directory." );
+            else {
+                self::change_folder_permissions( $folder_path );
+            }
+        }
+
+    }
+
+    private static function check_folder_permissions(string $folder_path){
+
+        $folder_permission = substr(
+            sprintf('%o', fileperms($folder_path)), -4
+        );
+        if( $folder_permission != "0777" && $folder_permission != "0755" )
+            self::change_folder_permissions( $folder_path );
+
+    }
+
+    private static function change_folder_permissions(string $folder_path)
+    {
+        try {
+            chmod($folder_path, 0755);
+        } catch ( \Exception $e ) {
+            // Ignore.
+        }
+
+    }
+
+    public function __construct(
+        string $folder_path,
+        ?string $file_path,
+        int $flags = 0
+    ){
+        $this->folder_path = $folder_path;
+        $this->file_path = $file_path;
+        $this->old_file_path = $file_path;
+        $this->flags = $flags;
+    }
+
+    public function file_path_to_temp(): void {
+        $this->old_file_path = $this->file_path;
+        $this->file_path .= '.part';
+        $this->flags |= self::F_TEMPORARY_FILE;
+    }
+
+    public function file_path_to_real(): void {
+
+        $this->file_path = $this->old_file_path;
+        $this->flags &= ~self::F_TEMPORARY_FILE;
+
+    }
+
+    public function file_exists(): bool {
+
+        if( $this->file_path === null )
+            return false;
+
+        return file_exists($this->file_path);
+
+    }
+
+    public function size(): int {
+
+        if( !$this->file_exists() )
+            return 0;
+
+        return filesize($this->file_path);
+    }
+
+    public function pretty_size(): string {
+
+        $bytes = $this->size();
+
+        if ($bytes >= 1073741824) {
+            $bytes = number_format($bytes / 1073741824, 2) . ' GB';
+        } elseif ($bytes >= 1048576) {
+            $bytes = number_format($bytes / 1048576, 2) . ' MB';
+        } elseif ($bytes >= 1024) {
+            $bytes = number_format($bytes / 1024, 2) . ' KB';
+        } else {
+            $bytes = ($bytes == 0) ? '0 bytes' : $bytes . ' bytes';
+        }
+
+        return $bytes;
+    }
+
+    public function status(): string
+    {
+        if( !$this->file_exists() )
+            return self::STATUS_DELETED;
+
+        if( $this->flags & self::F_PRIVATE_FILE )
+            return self::STATUS_PRIVATE;
+        if( $this->flags & self::F_ARCHIVED_FILE )
+            return self::ARCHIVE_SUBFOLDER;
+        return self::STATUS_PUBLISH;
+
+    }
+
+    public function write( int $current_chunk, int $total_chunks ): bool {
+
+        if( $this->file_path === null )
+            RomhackPlazaFS::fatal_stop( 500, "Filepath is not registred.");
+
+        if( $this->flags & !self::F_TEMPORARY_FILE )
+            RomhackPlazaFS::fatal_stop( 500, "Filepath is not temporary.");
+
+        if( !isset( $_FILES['file'] ) )
+            RomhackPlazaFS::invalid_parameter_stop( "file" );
+
+        $in = fopen($_FILES['file']['tmp_name'], 'rb');
+        if( !$in )
+            RomhackPlazaFS::fatal_stop( 500, "Could not open input file." );
+
+        $out = fopen( $this->file_path, 'ab' );
+        if( !$out )
+            RomhackPlazaFS::fatal_stop( 500, "Could not open output file." );
+
+        while( $chunk = fread( $in, self::CHUNK_SIZE ) )
+            fwrite( $out, $chunk );
+
+        fclose( $in );
+        fclose( $out );
+
+        $this->rename_if_final_chunk( $current_chunk, $total_chunks );
+        return true;
+
+    }
+
+    private function rename_if_final_chunk( int $current_chunk, int $total_chunks )
+    {
+        if( $this->file_path === null || $this->old_file_path === null )
+            RomhackPlazaFS::fatal_stop( 500, "Filepath is not registred.");
+
+        if( $current_chunk + 1 === $total_chunks )
+            rename( $this->file_path, $this->old_file_path );
+    }
+
+    public function change_data_location( Data &$new_data_location ): bool {
+
+        if( $this->file_path === null || $new_data_location->file_path === null )
+            RomhackPlazaFS::fatal_stop( 500, "Filepath is not registred.");
+
+        if( !rename( $this->file_path, $new_data_location->file_path ) )
+            RomhackPlazaFS::fatal_stop( 500, "The file hasn't been moved.");
+
+        $this->file_path = $new_data_location->file_path;
+        return true;
+
+    }
+
+    public function can_be_explored(): bool {
+
+        if( $this->file_path === null )
+            return false;
+
+        return in_array( mime_content_type( $this->file_path ), [ 'application/zip', 'application/x-rar', 'application/x-7z-compressed' ] );
+
+    }
+
+    public function can_be_patched(): bool {
+
+        if( $this->file_path === null )
+            return false;
+
+        $file_arr = explode('.', $this->file_path);
+        $file_ext = end($file_arr );
+
+        return mime_content_type( $this->file_path ) === 'application/zip' || in_array( $file_ext, RomhackPlazaFS::dotenv_array( "ROMHACKPLAZAFS_PATCHER_ALLOWED_EXT" ) );
+    }
+
+    private function _return_list_files( array $files_array, string $custom_post_type, int $post_id ){
+
+        $return_files = array_map( function( $file_name ) use ( $custom_post_type, $post_id ){
+
+            $download_url = RomhackPlazaFS::build_url( 'Download', [ 'filename' => $file_name, 'post_type' => $custom_post_type, 'entry_id' => $post_id ] );
+            $file = new self( $this->folder_path, $this->folder_path . $file_name, $this->flags );
+
+            return [
+                'name' => $file_name,
+                'size' => $file->size(),
+                'pretty_size' => $file->pretty_size(),
+                'status' => $file->status(),
+                'download' => $download_url,
+                'explorer' => $file->can_be_explored() ? RomhackPlazaFS::build_url( "FileExplorer", [ 'filename' => urlencode( $file_name ), 'post_type' => $custom_post_type, 'entry_id' => $post_id ] ) : null,
+                'patcher' => $file->can_be_patched() ? RomhackPlazaFS::build_patcher_url( $download_url, $post_id ) : null,
+            ];
+
+        }, array_values( $files_array ) );
+
+        return $return_files;
+    }
+
+    public function list_files( string $custom_post_type = "", int $post_id = 0 ): array {
+
+        if( !\file_exists( $this->folder_path ) )
+            return [];
+
+        $files = array_diff( scandir( $this->folder_path ), [ '.', '..', rtrim( self::PRIVATE_SUBFOLDER, '/' ), rtrim( self::ARCHIVE_SUBFOLDER, '/' ) ] );
+        return $this->_return_list_files( $files, $custom_post_type, $post_id );
+
+    }
+
+}
\ No newline at end of file
diff --git a/src/RomhackPlazaFS.php b/src/RomhackPlazaFS.php
new file mode 100644
index 0000000..0633785
--- /dev/null
+++ b/src/RomhackPlazaFS.php
@@ -0,0 +1,121 @@
+<?php
+
+namespace RomhackPlazaFS;
+use RomhackPlazaFS\Endpoints\Abstract_Endpoint;
+
+defined( 'ROMHACKPLAZA_FS' ) || exit;
+
+final class RomhackPlazaFS {
+
+    use SwifferTrait;
+
+    final public private(set) bool $is_index;
+    public private(set) string $endpoint_requested;
+    final public static bool $response_type_defined = false;
+
+    public static function allow_only_for_main_site(){
+        header( "Access-Control-Allow-Origin: " . $_ENV['ROMHACKPLAZAFS_MAIN_URL'] );
+    }
+
+    public static function response_type( string $type ){
+        if(!self::$response_type_defined){
+            header( "Content-Type: $type" );
+            self::$response_type_defined = true;
+        }
+    }
+
+    public static function response( bool $success, int $html_code, array $fields = [], string $error_message = "" ){
+
+        $arr = [];
+        $arr["success"] = $success;
+        $arr["code"] = $html_code;
+
+        if( $html_code !== 200 )
+            $arr["error"] = $error_message;
+        else
+            $arr = array_merge( $arr, $fields );
+
+        echo json_encode( $arr );
+        die();
+
+    }
+
+    public static function success_response( array $fields ){
+
+        self::response_type( 'application/json' );
+        http_response_code( 200 );
+        self::response( true, 200, $fields );
+    }
+
+    public static function fatal_stop( int $html_code, string $error_message = "" ){
+
+        self::response_type( 'application/json' );
+        http_response_code( $html_code );
+        self::response( false, $html_code, error_message: $error_message );
+
+    }
+
+    public static function invalid_parameter_stop( string $parameter_name, string $method = "" ){
+        self::fatal_stop( 400, "Invalid $method $parameter_name");
+    }
+
+    public static function build_url( string $action, array $params = [] ): string {
+
+        $url = $_ENV['ROMHACKPLAZAFS_URL'] . '?action=' . $action;
+        foreach ( $params as $key => $value ) {
+            $url .= '&' . $key . '=' . $value;
+        }
+        return $url;
+
+    }
+
+    public static function build_patcher_url( string $download_url, int $post_id )
+    {
+        return $_ENV['ROMHACKPLAZAFS_PATCHER_URL'] . '?download=' . base64_encode( $download_url ) . '&entry=' . $post_id;
+    }
+
+    public static function dotenv_array( string $env_name ){
+
+        return explode( " ", $_ENV[$env_name] );
+
+    }
+
+    public function __construct(){
+
+        $this->endpoint_requested = $this->swiffer_get( 'action', 'string' );
+        $this->is_index = str_contains( $_SERVER['REQUEST_URI'], 'index.php' );
+
+        if( $this->is_index )
+            $this->fs_api();
+
+    }
+
+    public function give_token( string $token_name ): string {
+
+        $token = $this->swiffer_post( $token_name, 'string' );
+        if( $token === "" )
+            $token = $this->swiffer_get( $token_name, 'string' );
+
+        return $token;
+    }
+
+    private function fs_api(){
+
+        if( $this->endpoint_requested === "" )
+            self::fatal_stop( 400, "action GET parameter not found." );
+
+        $this->endpoint_requested = preg_replace('/[^a-zA-Z0-9]/', '', $this->endpoint_requested);
+
+        $endpoint_class = 'RomhackPlazaFS\\Endpoints\\'. ucfirst( strtolower( $this->endpoint_requested ) );
+        if( !class_exists( $endpoint_class ) )
+            self::fatal_stop( 404, "This endpoint is not defined." );
+
+        $endpoint = new $endpoint_class();
+        if( !$endpoint instanceof Abstract_Endpoint )
+            self::fatal_stop( 500, "This endpoint is not valid." );
+
+        $endpoint->exec( $this );
+
+    }
+
+}
\ No newline at end of file
diff --git a/src/SecurityTrait.php b/src/SecurityTrait.php
new file mode 100644
index 0000000..cdf7fdd
--- /dev/null
+++ b/src/SecurityTrait.php
@@ -0,0 +1,53 @@
+<?php
+
+namespace RomhackPlazaFS;
+use RomhackPlazaFS\Exceptions\InvalidTokenException;
+use RomhackPlazaFS\Exceptions\TokenExpiredException;
+use RomhackPlazaFS\Exceptions\WrongServerException;
+
+defined( 'ROMHACKPLAZA_FS' ) || exit;
+
+trait SecurityTrait {
+
+    /**
+     * @throws WrongServerException
+     * @throws TokenExpiredException
+     * @throws InvalidTokenException
+     */
+    public function verify_token(string $token ){
+
+        try{
+            $enc_info = explode( "|", $token, 2 );
+            if( count( $enc_info ) < 2 )
+                throw new \Exception();
+        } catch ( \Exception $e ){
+            RomhackPlazaFS::fatal_stop( 400, "There are some missing informations for reaching Zeus...");
+        }
+
+        $json = base64_decode( $enc_info[0] );
+        $resig = hash_hmac( 'sha256', $json, $_ENV['ROMHACKPLAZAFS_SECRET_KEY'] );
+
+        if( !hash_equals( $resig, $enc_info[1] ) )
+            throw new InvalidTokenException();
+
+        /**
+         * 'user_id' => WordPress user ID.
+         * 'to' => Server URL
+         * 'action' => The action he wants to do.
+         * 'generated_at' => Timestamp generated value.
+         * 'expires_at' => Timestamp theory expiration value. (5 minutes...),
+         * 'romhackplaza' => Random value.
+         */
+        $info = json_decode( $json, true );
+
+        if( $info['expires_at'] < time() )
+            throw new TokenExpiredException();
+
+        if( $info['to'] !== $_ENV['ROMHACKPLAZAFS_URL'] )
+            throw new WrongServerException();
+
+        return $info;
+
+    }
+
+}
\ No newline at end of file
diff --git a/src/SwifferTrait.php b/src/SwifferTrait.php
new file mode 100644
index 0000000..c91baf1
--- /dev/null
+++ b/src/SwifferTrait.php
@@ -0,0 +1,57 @@
+<?php
+
+namespace RomhackPlazaFS;
+use RomhackPlazaFS\Exceptions\InvalidArgumentException;
+
+defined( 'ROMHACKPLAZA_FS' ) || exit;
+
+trait SwifferTrait {
+
+    public function swiffer(
+        int $input,
+        string $name,
+        string $type
+    ): mixed {
+
+        try {
+            switch ($type) {
+
+                case 'int':
+                    $val = filter_input($input, $name, FILTER_VALIDATE_INT);
+                    if ($val === false) {
+                        throw new InvalidArgumentException( $name );
+                    }
+                    return intval($val);
+                    break;
+
+                case 'string':
+                    $val = trim( $input === INPUT_GET ? ( $_GET[$name] ?? "" ) : ( $_POST[$name] ?? "" ) );
+                    $val = htmlspecialchars( $val, ENT_QUOTES | ENT_HTML5 );
+                    return $val;
+                    break;
+
+                case 'filename':
+                    $val = trim( $input === INPUT_GET ? ( $_GET[$name] ?? "" ) : ( $_POST[$name] ?? "" ) );
+                    $val = basename( $val );
+                    return $val;
+                    break;
+
+            }
+
+        } catch (InvalidArgumentException $e) {
+            \RomhackPlazaFS\RomhackPlazaFS::fatal_stop( 400, "Invalid argument : " . $e->getMessage() );
+        }
+
+        return null;
+    }
+
+    public function swiffer_get( string $name, string $type ): mixed {
+        return $this->swiffer( INPUT_GET, $name, $type );
+    }
+
+    public function swiffer_post( string $name, string $type ): mixed {
+        return $this->swiffer( INPUT_POST, $name, $type );
+    }
+
+
+}
\ No newline at end of file
diff --git a/src/bootstrap.php b/src/bootstrap.php
new file mode 100644
index 0000000..d10d53d
--- /dev/null
+++ b/src/bootstrap.php
@@ -0,0 +1,25 @@
+<?php
+
+namespace RomhackPlazaFS;
+defined( 'ROMHACKPLAZA_FS' ) || exit;
+
+require_once __DIR__ . "/../vendor/autoload.php";
+
+function _romhackplazafs_define_constants(){
+
+    if( !defined( 'ROMHACKPLAZA' ) )
+        define( 'ROMHACKPLAZA', "0.0.1" );
+
+}
+
+function _romhackplazafs_read_env(){
+
+    $dotenv = \Dotenv\Dotenv::createImmutable( __DIR__ . "/../" );
+    $dotenv->load();
+
+}
+
+_romhackplazafs_define_constants();
+_romhackplazafs_read_env();
+
+$_romhackplazafs = new RomhackPlazaFS();
\ No newline at end of file