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ixudra/curl

ixudra/curl

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Issues: 100

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Last Updated: 2022-07-31 09:59:12

#ixudra #curl #laravel #requests

Custom PHP curl library for the Laravel 5 framework - developed by Ixudra

License: MIT License

Languages: PHP

ixudra/curl

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Ixudra Curl

Custom PHP cURL library for the Laravel framework - developed by Ixudra.

The package provides an easy interface for sending cURL requests from your PHP web application. The package provides an intuitive, fluent interface similar the Laravel query builder to easily configure the request. Additionally, There are several utility methods that allow you to easily add certain options to the request. This makes it easier to create and use cURL requests and also makes your code more comprehensible.

The provided functionality is completely framework-independent but also contains a Laravel service provider for easy integration into your Laravel project.

Note before posting an issue: When posting an issue for the package, always be sure to provide as much information regarding the request as possible. This includes the example cURL request you are trying to transfer into the package syntax, your actual package syntax (the full request) and (if possible) an example URL I can use to test the request myself if need be.

Installation

Pull this package in through Composer.

    {
        "require": {
            "ixudra/curl": "6.*"
        }
    }

or run in terminal: composer require ixudra/curl

Laravel 5.5+ Integration

Laravel's package discovery will take care of integration for you.

Laravel 5.* Integration

Add the service provider to your config/app.php file:

    'providers'     => array(

        //...
        Ixudra\Curl\CurlServiceProvider::class,

    ),

Add the facade to your config/app.php file:

    'aliases'       => array(

        //...
        'Curl'          => Ixudra\Curl\Facades\Curl::class,

    ),

Laravel 4.* Integration

Add the service provider to your app/config/app.php file:

    'providers'     => array(

        //...
        'Ixudra\Curl\CurlServiceProvider',

    ),

Add the facade to your app/config/app.php file:

    'facades'       => array(

        //...
        'Curl'          => 'Ixudra\Curl\Facades\Curl',

    ),

Lumen 5.* integration

In your bootstrap/app.php, make sure you've un-commented the following line (around line 26):

$app->withFacades();

Then, register your class alias:

class_alias('Ixudra\Curl\Facades\Curl', 'Curl');

Finally, you have to register your ServiceProvider (around line 70-80):

/*
|--------------------------------------------------------------------------
| Register Service Providers
|--------------------------------------------------------------------------
|
| Here we will register all of the application's service providers which
| are used to bind services into the container. Service providers are
| totally optional, so you are not required to uncomment this line.
|
*/

// $app->register('App\Providers\AppServiceProvider');

// Package service providers
$app->register(Ixudra\Curl\CurlServiceProvider::class);

Integration without Laravel

Create a new instance of the CurlService where you would like to use the package:

    $curlService = new \Ixudra\Curl\CurlService();

Usage

Laravel usage

The package provides an easy interface for sending cURL requests from your application. The package provides a fluent interface similar the Laravel query builder to easily configure the request. There are several utility methods that allow you to easily add certain options to the request. If no utility method applies, you can also use the general withOption method.

Sending GET requests

In order to send a GET request, you need to use the get() method that is provided by the package:

    use Ixudra\Curl\Facades\Curl;

    // Send a GET request to: http://www.foo.com/bar
    $response = Curl::to('http://www.foo.com/bar')
        ->get();

    // Send a GET request to: http://www.foo.com/bar?foz=baz
    $response = Curl::to('http://www.foo.com/bar')
        ->withData( array( 'foz' => 'baz' ) )
        ->get();

    // Send a GET request to: http://www.foo.com/bar?foz=baz using JSON
    $response = Curl::to('http://www.foo.com/bar')
        ->withData( array( 'foz' => 'baz' ) )
        ->asJson()
        ->get();

Sending POST requests

Post requests work similar to GET requests, but use the post() method instead:

    use Ixudra\Curl\Facades\Curl;

    // Send a POST request to: http://www.foo.com/bar
    $response = Curl::to('http://www.foo.com/bar')
        ->post();
    
    // Send a POST request to: http://www.foo.com/bar
    $response = Curl::to('http://www.foo.com/bar')
        ->withData( array( 'foz' => 'baz' ) )
        ->post();
    
    // Send a POST request to: http://www.foo.com/bar with arguments 'foz' = 'baz' using JSON
    $response = Curl::to('http://www.foo.com/bar')
        ->withData( array( 'foz' => 'baz' ) )
        ->asJson()
        ->post();
    
    // Send a POST request to: http://www.foo.com/bar with arguments 'foz' = 'baz' using JSON and return as associative array
    $response = Curl::to('http://www.foo.com/bar')
        ->withData( array( 'foz' => 'baz' ) )
        ->asJson( true )
        ->post();

Sending PUT requests

Put requests work similar to POST requests, but use the put() method instead:

    use Ixudra\Curl\Facades\Curl;

    // Send a PUT request to: http://www.foo.com/bar/1 with arguments 'foz' = 'baz' using JSON
    $response = Curl::to('http://www.foo.com/bar/1')
       ->withData( array( 'foz' => 'baz' ) )
       ->asJson()
       ->put();

Sending PATCH requests

Patch requests work similar to POST requests, but use the patch() method instead:

    use Ixudra\Curl\Facades\Curl;

    // Send a PATCH request to: http://www.foo.com/bar/1 with arguments 'foz' = 'baz' using JSON
    $response = Curl::to('http://www.foo.com/bar/1')
        ->withData( array( 'foz' => 'baz' ) )
        ->asJson()
        ->patch();

Sending DELETE requests

Delete requests work similar to GET requests, but use the delete() method instead:

    use Ixudra\Curl\Facades\Curl;

    // Send a DELETE request to: http://www.foo.com/bar/1 using JSON
    $response = Curl::to('http://www.foo.com/bar/1')
        ->asJson()
        ->delete();

Sending HEAD requests

HEAD requests work similar to GET requests, but use the head() method instead:

    use Ixudra\Curl\Facades\Curl;

    // Send a HEAD request to: http://www.foo.com/bar/1
    $response = Curl::to('http://www.foo.com/bar/1')
        ->head();
    
    // Send a HEAD request to: http://www.foo.com/bar/1?foz=baz
    $response = Curl::to('http://www.foo.com/bar/1')
        ->withData( array( 'foz' => 'baz' ) )
        ->head();

Sending custom headers

Sending custom headers is easy with the withHeader() method. Multiple calls can be chained together to add multiple headers to the request:

    use Ixudra\Curl\Facades\Curl;

    // Send a GET request to: http://www.foo.com/bar with 2 custom headers
    $response = Curl::to('http://foo.com/bar')
        ->withHeader('MyFirstHeader: 123')
        ->withHeader('MySecondHeader: 456')
        ->get();

Alternatively, you can use the withHeaders() to combine multiple headers into one method call:

    use Ixudra\Curl\Facades\Curl;

    // Send a GET request to: http://www.foo.com/bar with 2 custom headers
    $response = Curl::to('http://foo.com/bar')
        ->withHeaders( array( 'MyFirstHeader: 123', 'MySecondHeader: 456' ) )
        ->get();

You can also use key-value when using the withHeaders() method:

    use Ixudra\Curl\Facades\Curl;

    // Send a GET request to: http://www.foo.com/bar with 2 custom headers
    $response = Curl::to('http://foo.com/bar')
        ->withHeaders( array( 'MyFirstHeader' => '123', 'MySecondHeader' => '456' ) )
        ->get();

For (bearer) authorization headers, you can also use specific utility methods:

    use Ixudra\Curl\Facades\Curl;

    // Send a GET request to: http://www.foo.com/bar with "Authorization: 123" header
    $response = Curl::to('http://foo.com/bar')
        ->withAuthorization('123')
        ->get();

    // Send a GET request to: http://www.foo.com/bar with "Authorization: Bearer 123" header
    $response = Curl::to('http://foo.com/bar')
        ->withBearer('123')
        ->get();

Note that headers will override each other if you add the same header more than once.

Specifying the content type

Sending custom headers is easy with the withContentType() method. Multiple calls can be chained together to add multiple headers to the request:

    use Ixudra\Curl\Facades\Curl;

    // Send a GET request to: http://www.foo.com/bar with a json content type
    $response = Curl::to('http://foo.com/bar')
        ->withContentType('application/json')
        ->get();

Using proxies

If you need to send your requests via a proxy, you can use the 'withProxy()' method. The method takes five parameters:

  • proxy url (required)
  • port (optional)
  • type of proxy scheme (optional, e.g. http://, https://, ...)
  • username (optional)
  • password (optional)

Optional parameters will be ignored if not filled in.

    use Ixudra\Curl\Facades\Curl;

    // Send a GET request to: http://www.foo.com/bar with a json content type
    $response = Curl::to('http://foo.com/bar')
        ->withProxy('192.168.1.1', 80, 'http://', 'Foo', 'Bar')
        ->get();

Sending files via Curl

For sending files via a POST request, you can use the withFile method to correctly format a request before sending:

    use Ixudra\Curl\Facades\Curl;

    $response = Curl::to('http://foo.com/bar')
        ->withData( array( 'Foo' => 'Bar' ) )
        ->withFile( 'image_1', '/path/to/dir/image1.png', 'image/png', 'imageName1.png' )
        ->withFile( 'image_2', '/path/to/dir/image2.png', 'image/png', 'imageName2.png' )
        ->post();

You can add as many files to the request as you want. A couple of things to keep in mind:

  • When submitting files, the asJson() method and asJsonRequest() method cannot be used. If you do, the files will not be transferred correctly
  • The files are added to the data that was provided in the withData() method using the first parameter of the withFile() method. If this key already exists, it will be overridden.

Downloading files

For downloading a file, you can use the download() method:

    use Ixudra\Curl\Facades\Curl;

    // Download an image from: file http://www.foo.com/bar.png
    $response = Curl::to('http://foo.com/bar.png')
        ->withContentType('image/png')
        ->download('/path/to/dir/image.png');

Using response objects

By default, the package will only return the content of the request. In some cases, it might also be useful to know additional request information, such as the HTTP status code and error messages should they occur. In this case, you can use the returnResponseObject() method, which will return an stdClass that contains additional information as well as the response content:

    use Ixudra\Curl\Facades\Curl;

    // Send a GET request to http://www.foo.com/bar and return a response object with additional information
    $response = Curl::to('http://www.foo.com/bar')
        ->returnResponseObject()
        ->get();
            
    $content = $response->content;

The response object will look like this:

{
   "content": "Message content here",
   "status": 200,
   "contentType": "content-type response header (ex: application/json)",
   "error": "Error message goes here (Only added if an error occurs)"
}

Response headers

In some cases it might be relevant to return the response headers back to the user. This can easily be done using the withResponseHeaders() method.

    use Ixudra\Curl\Facades\Curl;

    // Send a GET request to http://www.foo.com/bar and return a response object with additional information including response headers
    $response = Curl::to('http://www.foo.com/bar')
        ->withResponseHeaders()
        ->returnResponseObject()
        ->get();
            
    $content = $response->content;
    $headers = $response->headers;

The response object will look like this:

{
    "content": "Message content here",
    "status": 200,
    "contentType": "content-type response header (ex: application/json)",
    "error": "Error message goes here (Only added if an error occurs)",
    "headers": {
        "header-type-1": "header-content-1",
        "header-type-2": "header-content-2"
    }
}

It is important to note that the withResponseHeaders() method must be used in conjunction with the returnResponseObject() method in order to see the returned headers

Debugging requests

In case a request fails, it might be useful to get debug the request. In this case, you can use the enableDebug() method. This method uses one parameter, which is the name of the file in which the debug information is to be stored:

    use Ixudra\Curl\Facades\Curl;

    // Send a GET request to http://www.foo.com/bar and log debug information in /path/to/dir/logFile.txt
    $response = Curl::to('http://www.foo.com/bar')
        ->enableDebug('/path/to/dir/logFile.txt')
        ->get();

Using cURL options

You can add various cURL options to the request using of several utility methods such as withHeader() for adding a header to the request, or use the general withOption() method if no utility method applies. The package will automatically prepend the options with the CURLOPT_ prefix. It is worth noting that the package does not perform any validation on the cURL options. Additional information about available cURL options can be found here.

Method Default value Description
withTimeout() 30 seconds Set the timeout of the request (integer or float)
withConnectTimeout() 30 seconds Set the connect timeout of the request (integer or float)
allowRedirect() false Allow the request to be redirected internally
asJsonRequest() false Submit the request data as JSON
asJsonResponse() false Decode the response data from JSON
asJson() false Utility method to set both asJsonRequest() and asJsonResponse() at the same time
withHeader() string Add an HTTP header to the request
withHeaders() array Add multiple HTTP headers to the request
withContentType() none Set the content type of the response
withFile() none Add a file to the form data to be sent
containsFile() false Should be used to submit files through forms
withData() array Add an array of data to sent with the request (GET or POST)
setCookieFile() none Set a file to read cookies from
setCookieJar() none Set a file to store cookies in
withOption() none Generic method to add any cURL option to the request

For specific information regarding parameters and return types, I encourage you to take a look at ixudra\curl\src\Ixudra\Curl\Builder.php. This class has extensive doc blocks that contain all the necessary information for each specific method.

Usage without Laravel

Usage without Laravel is identical to usage described previously. The only difference is that you will not be able to use the facades to access the CurlService.

    $curlService = new \Ixudra\Curl\CurlService();

    // Send a GET request to: http://www.foo.com/bar
    $response = $curlService->to('http://www.foo.com/bar')
        ->get();

    // Send a POST request to: http://www.foo.com/bar
    $response = $curlService->to('http://www.foo.com/bar')
        ->post();

    // Send a PUT request to: http://www.foo.com/bar
    $response = $curlService->to('http://www.foo.com/bar')
        ->put();

    // Send a DELETE request to: http://www.foo.com/bar
    $response = $curlService->to('http://www.foo.com/bar')
        ->delete();

    // Send a HEAD request to: http://www.foo.com/bar
    $response = $curlService->to('http://www.foo.com/bar')
        ->head();

Planning

  • Add additional utility methods for other cURL options
  • Add contract to allow different HTTP providers such as Guzzle

Support

Help me further develop and maintain this package by supporting me via Patreon!!

License

This package is open-sourced software licensed under the MIT license

Contact

For package questions, bug, suggestions and/or feature requests, please use the Github issue system and/or submit a pull request. When submitting an issue, always provide a detailed explanation of your problem, any response or feedback your get, log messages that might be relevant as well as a source code example that demonstrates the problem. If not, I will most likely not be able to help you with your problem. Please review the contribution guidelines before submitting your issue or pull request.

For any other questions, feel free to use the credentials listed below:

Jan Oris (developer)

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