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https://github.com/spatie/laravel-referer
Remember a visitor's original referer
https://github.com/spatie/laravel-referer
http laravel referer seo
Last synced: about 1 month ago
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Remember a visitor's original referer
- Host: GitHub
- URL: https://github.com/spatie/laravel-referer
- Owner: spatie
- License: mit
- Created: 2017-02-01T17:48:12.000Z (over 7 years ago)
- Default Branch: main
- Last Pushed: 2024-04-08T07:58:17.000Z (5 months ago)
- Last Synced: 2024-08-06T06:07:44.693Z (about 1 month ago)
- Topics: http, laravel, referer, seo
- Language: PHP
- Homepage: https://freek.dev/686-a-package-to-remember-a-visitors-original-referer
- Size: 104 KB
- Stars: 516
- Watchers: 7
- Forks: 38
- Open Issues: 0
-
Metadata Files:
- Readme: README.md
- Changelog: CHANGELOG.md
- Funding: .github/FUNDING.yml
- License: LICENSE.md
Awesome Lists containing this project
README
# Remember a visitor's original referer
[](https://packagist.org/packages/spatie/laravel-referer)
[](LICENSE.md)
[](https://github.com/spatie/laravel-referer/actions/workflows/run-tests.yml)
[](https://packagist.org/packages/spatie/laravel-referer)
Remember a visitor's original referer in session. The referer is (highest priority first):
- The `utm_source` query parameter
- The domain from the request's `Referer` header if there's an external host in the URL
- Empty
## Support us
[
](https://spatie.be/github-ad-click/laravel-referer)
We invest a lot of resources into creating [best in class open source packages](https://spatie.be/open-source). You can support us by [buying one of our paid products](https://spatie.be/open-source/support-us).
We highly appreciate you sending us a postcard from your hometown, mentioning which of our package(s) you are using. You'll find our address on [our contact page](https://spatie.be/about-us). We publish all received postcards on [our virtual postcard wall](https://spatie.be/open-source/postcards).
## Installation
You can install the package via composer:
``` bash
composer require spatie/laravel-referer
```
The package will automatically register itself in Laravel 5.5. In Laravel 5.4. you'll manually need to register the `Spatie\Referer\RefererServiceProvider` service provider in `config/app.php`.
You can publish the config file with:
```
php artisan vendor:publish --provider="Spatie\Referer\RefererServiceProvider"
```
Publishing the config file is necessary if you want to change the key in which the referer is stored in the session or
if you want to disable a referer source.
```php
return [
/*
* The key that will be used to remember the referer in the session.
*/
'session_key' => 'referer',
/*
* The sources used to determine the referer.
*/
'sources' => [
Spatie\Referer\Sources\UtmSource::class,
Spatie\Referer\Sources\RequestHeader::class,
],
];
```
## Usage
To capture the referer, all you need to do is add the `Spatie\Referer\CaptureReferer` middleware to your middleware stack. In most configuration's, you'll only want to capture the referer in "web" requests, so it makes sense to register it in the `web` stack. Make sure it comes **after** Laravel's `StartSession` middleware!
```php
// app/Http/Kernel.php
protected $middlewareGroups = [
'web' => [
// ...
\Illuminate\Session\Middleware\StartSession::class,
// ...
\Spatie\Referer\CaptureReferer::class,
// ...
],
// ...
];
```
The easiest way to retrieve the referer is by just resolving it out of the container:
```php
use Spatie\Referer\Referer;
$referer = app(Referer::class)->get(); // 'google.com'
```
Or you could opt to use Laravel's automatic facades:
```php
use Facades\Spatie\Referer\Referer;
$referer = Referer::get(); // 'google.com'
```
The captured referer is (from high to low priority):
- The `utm_source` query parameter, or:
- The domain from the request's `Referer` header if there's an external host in the URL, or:
- Empty
An empty referer will never overwrite an exisiting referer. So if a visitor comes from google.com and visits a few pages on your site, those pages won't affect the referer since local hosts are ignored.
### Forgetting or manually setting the referer
The `Referer` class provides dedicated methods to forget, or manually set the referer.
```php
use Facades\Spatie\Referer\Referer;
Referer::put('google.com');
Referer::get(); // 'google.com'
Referer::forget();
Referer::get(); // ''
```
### Changing the way the referer is determined
The referer is determined by doing checks on various sources, which are defined in the configuration.
```php
return [
// ...
'sources' => [
Spatie\Referer\Sources\UtmSource::class,
Spatie\Referer\Sources\RequestHeader::class,
],
];
```
A source implements the `Source` interface, and requires one method, `getReferer`. If a source is able to determine a referer, other sources will be ignored. In other words, the `sources` array is ordered by priority.
In the next example, we'll add a source that can use a `?ref` query parameter to determine the referer. Additionally, we'll ignore `?utm_source` parameters.
First, create the source implementations:
```php
namespace App\Referer;
use Illuminate\Http\Request;
use Spatie\Referer\Source;
class RefParameter implements Source
{
public function getReferer(Request $request): string
{
return $request->get('ref', '');
}
}
```
Then register your source in the `sources` array. We'll also disable the `utm_source` while we're at it.
```php
return [
// ...
'sources' => [
App\Referer\RefParameter::class,
Spatie\Referer\Sources\RequestHeader::class,
],
];
```
That's it! Source implementations can be this simple, or more advanced if necessary.
## Changelog
Please see [CHANGELOG](CHANGELOG.md) for more information what has changed recently.
## Testing
``` bash
composer test
```
## Contributing
Please see [CONTRIBUTING](https://github.com/spatie/.github/blob/main/CONTRIBUTING.md) for details.
## Security
If you've found a bug regarding security please mail [[email protected]](mailto:[email protected]) instead of using the issue tracker.
## Credits
- [Sebastian De Deyne](https://github.com/sebastiandedeyne)
- [All Contributors](../../contributors)
## License
The MIT License (MIT). Please see [License File](LICENSE.md) for more information.