web-base/README.md

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# Web-Base
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Web-Base is a php framework which provides basic web functionalities and a modern ReactJS Admin Dashboard.
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### Requirements
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- PHP >= 8.2
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- One of these php extensions: mysqli, postgres
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- Apache/nginx or docker
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### Current Functionalities:
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- [Installation Guide with automatic database setup](#installation)
- [REST API](#adding-api-endpoints)
- [Supporting MySQL + PostgreSQL](#modifying-the-database)
- [Dynamic Page Routing](#routing)
- [Localization](#localization)
- [Command Line Interface (CLI)](#cli)
- [Account & User functions](#access-control)
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- [Google reCaptcha](https://developers.google.com/recaptcha/) and [hCaptcha](https://docs.hcaptcha.com/) Integration
- modern ReactJS Admin Dashboard
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- Docker Support
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### Upcoming:
I actually don't know what i want to implement here. There are quite to many CMS out there with alot of vulnerabilities. There also exist some frameworks already. This project is meant to provide a stable project base to implement what ever a developer wants to: Dynamic Homepages, Webshops, ..
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## Installation
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### Default Installation
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1. `git clone https://git.romanh.de/Projekte/web-base` (or `https://github.com/rhergenreder/web-base`)
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2. Create a [mysql](https://dev.mysql.com/doc/refman/5.7/en/creating-database.html) or [postgresql](https://www.postgresql.org/docs/9.0/sql-createdatabase.html) database
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or use an existing empty database (e.g. test or public)
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3. Open the webapp in your browser and follow the installation guide
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### Docker Installation
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1. `docker-compose build`
2. `docker-compose up`
3. Open the webapp in your browser and follow the installation guide
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3a. Since the docker runs as user www-data (33), the following permissions are recommended and at least necessary for the installation process:
```
chown -R :33 .
chmod -R 775 .
```
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### Afterwards
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For any changes made in [/react](/react), run:
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1. once: `yarn install`
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2. build: `yarn run build`
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The compiled dist files will be automatically moved to `/js`.
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To spawn a temporary development server, run:
```bash
cd react
yarn workspace $project run dev
```
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To fulfill the requirements of data deletion for **GDPR**, add the following line to your `/etc/crontab`
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or any other cron file:
```
@daily www-data /usr/bin/sh -c 'cd /var/www/html && /usr/bin/php cli.php db clean'
```
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## Extending the Base
### Adding API-Endpoints
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Each API endpoint has usually one overlying category, for example all user and authorization endpoints belong to the [UserAPI](/Core/API/UserAPI.class.php).
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These endpoints can be accessed by requesting URLs starting with `/api/user`, for example: `/api/user/login`. There are also endpoints, which don't have
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a category, e.g. [VerifyCaptcha](/Core/API/VerifyCaptcha.class.php). These functions can be called directly, for example with `/api/verifyCaptcha`. Both methods have one thing in common:
Each endpoint is represented by a class inheriting the [Request Class](/Core/API/Request.class.php). An example endpoint looks like this:
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```php
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namespace Core\API;
use Core\Objects\Context;
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class SingleEndpoint extends Request {
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public function __construct(Context $context, bool $externalCall = false) {
parent::__construct($context, $externalCall, array(
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"someParameter" => new Parameter("someParameter", Parameter::TYPE_INT, true, 100)
));
$this->forbidMethod("POST");
}
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public function _execute(): bool {
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$this->result['someAttribute'] = $this->getParam("someParameter") * 2;
return true;
}
}
```
An endpoint consists of two important functions:
1. the constructor defining the expected parameters as well as some restrictions and endpoint configuration.
2. the execute function, checking all requirements by calling the parent, and then executing the own method.
To create an API category containing multiple endpoints, a parent class inheriting from `Request`, e.g. `class MultipleAPI extends Request` is required.
All endpoints inside this category then inherit from the `MultipleAPI` class.
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The classes must be present inside the [API](/Core/API) directory according to the other endpoints.
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### Access Control
By default, and if not further specified or restricted, all endpoints have the following access rules:
1. Allowed methods: GET and POST (`$this->allowedMethods`)
2. No login is required (`$this->loginRequired`)
3. CSRF-Token is required, if the user is logged in (`$this->csrfTokenRequired`)
4. The function can be called from outside (`$this->isPublic`)
5. An API-Key can be used to access this method (`$this->apiKeyAllowed`)
6. All user groups can access the method (Database, Table: `ApiPermission`)
The first five restrictions can be modified inside the constructor, while the group permissions are changed using
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the [Admin Dashboard](/react/admin-panel). It's default values are set inside the [database script](/Core/Configuration/CreateDatabase.class.php).
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### Using the API internally
Some endpoints are set to private, which means, they can be only accessed inside the backend. These functions, as well as the public ones,
can be used by creating the desired request object, and calling the execute function with our parameters like shown below:
```php
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$req = new \Core\API\Mail\Send($context);
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$success = $req->execute([
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"to" => "mail@example.org",
"subject" => "Example Mail",
"body" => "This is an example mail"
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]);
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if (!$success) {
echo $req->getLastError();
}
```
The user object is usually obtained from the api (`$this->user`) or from the frontend document (`$document->getUser()`).
If any result is expected from the api call, the `$req->getResult()` method can be used, which returns an array of all field.
### Modifying the database
This step is not really required, as and changes made to the database must not be presented inside the code.
On the other hand, it is recommended to keep track of any modifications for later use or to deploy the application
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to other systems. Therefore, either the [default installation script](/Core/Configuration/CreateDatabase.class.php) or
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an additional patch file, which can be executed using the [CLI](#CLI), can be created. The patch files are usually
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located in [/Core/Configuration/Patch](/Core/Configuration/Patch) and have the following structure:
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```php
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namespace Core\Configuration\Patch;
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use Configuration\DatabaseScript;
use Driver\SQL\SQL;
class example_patch extends DatabaseScript {
public static function createQueries(SQL $sql): array {
$queries = [];
$queries[] = $sql->createTable("ExampleTable")
->addSerial("exampleCol")
->addString("someString", 32)
->primaryKey("exampleCol");
return $queries;
}
}
```
### Routing
To access and view any frontend pages, the internal router is used. Available routes can be customized on the admin dashboard. There are four types of routes:
1. Permanent redirect (http status code: 308)
2. Temporary redirect (http status code: 307)
3. Static Route
4. Dynamic Content
A static route targets a file, usually located in [/static](/static) and does nothing more, than returning its content. A dynamic route is usually the way to go:
It takes two parameters, firstly the target document and secondly, an optional view. For example, take the following routing table:
| Route | Action | Target | Extra |
|---------------------------|------------|------------------------------|---------|
| `/funnyCatImage` | `Static` | `/static/cat.jpg` | |
| `/someRoute/{param:str?}` | `Dynamic` | `\Site\Documents\MyDocument` | `param` |
| `/redirectMe` | `Redirect` | `https://romanh.de/` | |
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The first route would return the cat image, if the case-insensitive path `/funnyCatImage` is requested.
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The second route is more interesting, as it includes an optional parameter of type string, which means, any route starting with `/someRoute/` or just `/someRoute` is accepted.
Secondly, it passes the second argument (`param`), which is all the text after the last slash (or `null`) to the dynamically loaded document `MyDocument`.
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### Creating and Modifying documents
A frontend page consists of a document, which again consists of a head and a body. Furthermore, a document can have various views, which have to be implemented
programmatically. Usually, all pages inside a document look somehow similar, for example share a common side- or navbar, a header or a footer. If we think of a web-shop,
we could have one document, when showing different articles and products, and a view for various pages, e.g. the dashboard with all the products, a single product view and so on.
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To create a new document, a class inside [/Core/Documents](/Core/Documents) is created with the following scheme:
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```php
namespace Site\Documents {
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use Core\Elements\Document;
use Core\Objects\Router\Router;
use Site\Documents\Example\ExampleHead;
use Site\Documents\Example\ExampleBody;
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class ExampleDocument extends Document {
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public function __construct(Router $router, ?string $view = NULL) {
parent::__construct($router, ExampleHead::class, ExampleBody::class, $view);
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}
}
}
namespace Site\Documents\Example {
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use Core\Elements\Head;
use Core\Elements\Body;
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class ExampleHead extends Head {
public function __construct($document) {
parent::__construct($document);
}
protected function initSources() {
$this->loadJQuery();
$this->loadBootstrap();
$this->loadFontawesome();
}
protected function initMetas() : array {
return array(
array('charset' => 'utf-8'),
);
}
protected function initRawFields() : array {
return array();
}
protected function initTitle() : string {
return "Example Document";
}
}
class ExampleBody extends Body {
public function __construct($document) {
parent::__construct($document);
}
public function getCode(): string {
$view = $this->getDocument()->getRequestedView() ?? "<Empty>";
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return "<b>Requested View:</b> " . htmlspecialchars($view);
}
}
}
```
Of course, the head and body classes can be placed in any file, as the code might get big and complex.
### Localization
Currently, there are two languages specified, which are stored in the database: `en_US` and `de_DE`.
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A language is dynamically loaded according to the `Accept-Language`-Header received, but can also be set using the `lang` parameter
or [/api/language/set](/Core/API/LanguageAPI.class.php) endpoint.
If any translation key is not defined, the key is returned, which means, we don't need to specify the string `Welcome` again. To access the translations,
we firstly have to load the module. This is done by adding the class, or the object inside the constructor.
To translate the defined strings, we can use the global `L()` function. The following code snipped shows the use of
our sample language module:
**/Site/Localization/de_DE/example.php**:
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```php
<?php
return [
"Welcome" => "Willkommen",
"EXAMPLE_KEY" => "Beispielübersetzung",
];
```
```php
class SomeView extends \Elements\View {
public function __construct(\Elements\Document $document) {
parent::__construct($document);
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$this->langModules[] = "example";
}
public function getCode() : string{
return L("Welcome") . "! " . L("EXAMPLE_KEY");
}
}
```
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## CLI
Using the CLI, you can toggle the maintenance mode, perform database updates, managing routes and updating the whole project. Some example usages:
### Maintenance commands
```bash
php cli.php maintenance status
php cli.php maintenance off
php cli.php maintenance on
php cli.php maintenance update
```
### Database commands
```bash
php cli.php db export > dump.sql
php cli.php db export --data-only > data.sql
php cli.php db import dump.sql
php cli.php db migrate Patch/SomePatch
```
### Route commands
```bash
php cli.php routes list
php cli.php routes remove 1
php cli.php routes enable 1
php cli.php routes disable 1
php cli.php routes add /some/path static /static/test.html
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php cli.php routes modify 1 '/regex(/.*)?' dynamic '\\Documents\\Test'
```
### Frontend commands
```bash
php cli.php frontend build
php cli.php frontend ls
php cli.php frontend add <module-name>
php cli.php frontend rm <module-name>
php cli.php frontend dev <module-name>
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```
### API commands
```bash
php cli.php api ls
php cli.php api <add> # interactive wizard
```
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## Project Structure
```
├── Core
│ ├── API # Core API-Endpoints (User, Groups, Permissions, etc.)
│ ├── Configuration # Classes for configuration and settings
│ ├── Documents # Core Documents (Account, Admin, etc.)
│ ├── Driver # Logger and SQL drier implementation
│ ├── Elements # HTML element classes
│ ├── External # composer dependencies & external libraries
│ ├── Localization # Core translations
│ ├── Objects # Database objects & general classes
│ └── Templates # Core twig templates
├── Site # Site specific content and overwrites
│ ├── API
│ ├── Cache # Twig template and router cache
│ ├── Configuration # Dynamic configuration, e.g. database connection etc.
│ ├── Documents
│ ├── Localization
│ ├── Logs # Directory for log output, if the database fails
│ ├── Objects
│ └── Templates
├── react # react frontend
│ ├── shared # shared source files, including API and localization
│ ├── admin-panel # the admin panel source files
│ ├── dist # compiler output
├── [js/css/img/fonts/files/docs] # static web assets, files, licenses
├── docker # docker configuration files and build scripts
└── test # php unit & integraton test files
```
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## Anything more?
Feel free to contact me regarding this project and any other questions.