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<?php |
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namespace E2Consult\DNBApiClient; |
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use GuzzleHttp\Client; |
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use GuzzleHttp\Psr7\Request; |
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use Aws\Signature\SignatureV4; |
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use Aws\Credentials\Credentials; |
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use Illuminate\Support\Facades\Cache; |
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class JwtToken |
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{ |
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private $api_key; |
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private $credentials; |
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protected $cache_key; |
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protected $customerId; |
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protected $token; |
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protected $signer; |
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protected $duration = 600; |
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public function __construct(Credentials $credentials, $api_key, $customerId) |
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{ |
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$this->credentials = $credentials; |
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$this->api_key = $api_key; |
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$this->customerId = $customerId; |
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$this->signer = new SignatureV4( |
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config('services.dnb.servcice') ?? 'execute-api', |
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config('services.dnb.region') ?? 'eu-west-1' |
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); |
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$this->cache_key = 'services.dnb.token.'.$this->customerId; |
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$this->token = null; |
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} |
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public function getTokenKey() |
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{ |
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return $this->cache_key; |
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} |
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public function getJwtToken() |
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{ |
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if (is_null($this->token)) { |
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if (is_null($this->token = Cache::get($this->cache_key))) { |
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$this->token = $this->getFreshToken(true); |
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} |
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} |
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return $this->token->jwtToken; |
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} |
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public function getFreshToken($cache = true) |
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{ |
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$signedrequest = $this->signer->signRequest( |
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new Request('GET', config('services.dnb.endpoint').'/token?customerId='.json_encode([ |
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'type' => 'SSN', |
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'value' => $this->customerId |
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]), [ |
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'Accept' => 'application/json', |
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'Content-Type' => 'application/json', |
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'x-api-key' => $this->api_key |
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] |
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), |
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$this->credentials |
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); |
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$response = (new Client)->send($signedrequest); |
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return tap(collect(json_decode($response->getBody())->tokenInfo)->first(), function ($token) use ($cache) { |
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if ($cache) { |
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Cache::put($this->cache_key, $token, $this->duration); |
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} |
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}); |
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} |
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} |
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e2-consult /
dnb-laravel-client
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Let?s assume that you have a directory layout like this:
. |-- OtherDir | |-- Bar.php | `-- Foo.php `-- SomeDir `-- Foo.phpand let?s assume the following content of
Bar.php:If both files
OtherDir/Foo.phpandSomeDir/Foo.phpare loaded in the same runtime, you will see a PHP error such as the following:PHP Fatal error: Cannot use SomeDir\Foo as Foo because the name is already in use in OtherDir/Foo.phpHowever, as
OtherDir/Foo.phpdoes not necessarily have to be loaded and the error is only triggered if it is loaded beforeOtherDir/Bar.php, this problem might go unnoticed for a while. In order to prevent this error from surfacing, you must import the namespace with a different alias: