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Merge pull request #186 from BertVM52/unit_tests
Add unit tests
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‎composer.json‎

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"psr-4": {
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"TheNetworg\\OAuth2\\Client\\": "src/"
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}
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},
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"autoload-dev": {
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"psr-4": {
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"TheNetworg\\OAuth2\\Client\\Tests\\": "tests/"
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}
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},
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"require-dev": {
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"phpunit/phpunit": "^9.6"
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}
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}

‎tests/Fakers/B2cTokenFaker.php‎

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<?php
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namespace TheNetworg\OAuth2\Client\Tests\Fakers;
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use Firebase\JWT\JWT;
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class B2cTokenFaker
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{
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/** @var string */
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private $publicKey;
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/** @var string */
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private $modulus;
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/** @var string */
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private $exponent;
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/** @var array<string, string> */
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private $fakeData;
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public function __construct()
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{
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$this->publicKey = 'pubkey';
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$this->modulus = 'n';
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$this->exponent = 'e';
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}
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/**
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* @return array<string, mixed>
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*/
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public function getB2cTokenResponse(): array
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{
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return $this->createResponse();
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}
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/**
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* @param string $b2cId
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* @param bool $isSuccessful
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*/
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public function setFakeData(
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string $b2cId,
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bool $isSuccessful,
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string $clientId,
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string $issuer,
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?int $expires = null,
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?int $notBefore = null
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): void
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{
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$this->fakeData = [
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'sub' => $b2cId,
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'is_b2c_successful' => $isSuccessful,
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'aud' => $clientId,
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'iss' => $issuer,
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'exp' => $expires ?? time() + 3600, // expires in one hour
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'nbf' => $notBefore ?? time(),
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];
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}
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/**
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* @param array<string, string> $fakeData
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* @return array<string, mixed>
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*/
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private function createResponse(): array
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{
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if ($this->fakeData['is_b2c_successful']) {
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$accessToken = array(
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'iss' => 'iss',
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'exp' => $this->fakeData['exp'],
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'nbf' => $this->fakeData['nbf'],
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'aud' => $this->fakeData['aud'],
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'idp_access_token' => '123',
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'idp' => 'idp',
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'sub' => $this->fakeData['sub'],
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'tfp' => 'tfp',
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'ver' => '1.0',
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'iat' => time()
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);
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$idToken = array(
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"exp" => $this->fakeData['exp'],
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"nbf" => $this->fakeData['nbf'],
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"ver" => "1.0",
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"iss" => $this->fakeData['iss'],
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"sub" => $this->fakeData['sub'],
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"aud" => $this->fakeData['aud'],
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"iat" => time(),
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"auth_time" => time(),
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"idp_access_token" => '123',
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"idp" => "idp",
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"tfp" => "tfp",
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"at_hash" => "rfz4eAdZL7I_G8tQBvHI5Q"
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);
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$encryptedAccessToken = $this->createJWT($accessToken);
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$encryptedIdToken = $this->createJWT($idToken);
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return array(
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'access_token' => $encryptedAccessToken,
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'id_token' => $encryptedIdToken,
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'token_type' => 'Bearer',
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'not_before' => time(),
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'expires_in' => 3600,
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'expires_on' => time() + 3600,
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'resource' => 'resource',
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'refresh_token' => $encryptedIdToken,
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'refresh_token_expires_in' => time() + 1209600
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);
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}
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return [];
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}
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/**
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* @param array<string, string> $payload
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* @return string
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*/
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private function createJWT(array $payload): string
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{
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$private_key = openssl_pkey_new();
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$details = openssl_pkey_get_details($private_key);
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$publicKeyPEM = $details['key'];
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$modulus = $details['rsa']['n'];
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$exponent = $details['rsa']['e'];
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openssl_pkey_export($private_key, $privateKeyPEM);
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$this->publicKey = $publicKeyPEM;
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$this->modulus = $this->urlsafeBase64($modulus);
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$this->exponent = $this->urlsafeBase64($exponent);
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return JWT::encode($payload, $privateKeyPEM, 'RS256', $publicKeyPEM);
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}
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/**
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* @param string $string
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* @return string
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*/
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private function urlsafeBase64(string $string): string
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{
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return str_replace(['+', '/', '='], ['-', '_', ''], base64_encode($string));
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}
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/**
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* @return string
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*/
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public function getPublicKey(): string
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{
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return $this->publicKey;
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}
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/**
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* @return string
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*/
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public function getModulus(): string
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{
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return $this->modulus;
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}
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/**
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* @return string
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*/
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public function getExponent(): string
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{
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return $this->exponent;
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}
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}

‎tests/Fakers/KeysFaker.php‎

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<?php
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namespace TheNetworg\OAuth2\Client\Tests\Fakers;
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class KeysFaker
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{
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/**
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* @param $publicKey
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* @param $modulus
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* @param $exponent
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* @return array<string, mixed>
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*/
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public function getKeysResponse($publicKey, $modulus, $exponent): array
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{
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return array(
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'keys' => [
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array(
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'kid' => $publicKey,
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'nbf' => time(),
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'use' => 'sig',
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'kty' => 'RSA',
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'e' => $exponent,
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'n' => $modulus
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)
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]
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);
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}
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}

‎tests/Helper/AzureHelper.php‎

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<?php
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namespace TheNetworg\OAuth2\Client\Tests\Helper;
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use GuzzleHttp\Client;
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use GuzzleHttp\Handler\MockHandler;
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use GuzzleHttp\Psr7\Response;
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use League\OAuth2\Client\Provider\Exception\IdentityProviderException;
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use League\OAuth2\Client\Token\AccessTokenInterface;
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use TheNetworg\OAuth2\Client\Provider\Azure;
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use TheNetworg\OAuth2\Client\Tests\Fakers\KeysFaker;
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use TheNetworg\OAuth2\Client\Tests\Fakers\B2cTokenFaker;
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class AzureHelper
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{
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/** @var B2cTokenFaker */
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private $tokenFaker;
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/** @var KeysFaker */
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private $keysFaker;
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/** @var string */
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private $defaultClientId;
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/** @var string */
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private $defaultIss;
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/** @var string */
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private $defaultAuthEndpoint;
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/** @var string */
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private $defaultLogoutUrl;
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public function __construct(B2cTokenFaker $tokenFaker, KeysFaker $keysFaker)
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{
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$this->tokenFaker = $tokenFaker;
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$this->keysFaker = $keysFaker;
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$this->defaultClientId = 'client_id';
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$this->defaultIss = 'iss';
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$this->defaultAuthEndpoint = 'auth_endpoint';
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$this->defaultLogoutUrl = 'logout_url';
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}
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/**
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* @return void
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*/
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private function setDefaultFakeData(): void
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{
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$this->tokenFaker->setFakeData('b2cId', true, $this->defaultClientId, $this->defaultIss);
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}
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/**
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* @return string[]
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*/
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public function getConfig(): array
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{
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return array(
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'issuer' => $this->defaultIss,
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'authorization_endpoint' => $this->defaultAuthEndpoint,
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'end_session_endpoint' => $this->defaultLogoutUrl,
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'token_endpoint' => '',
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'jwks_uri' => ''
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);
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}
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/**
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* @param bool $defaultFakeData
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* @param bool $valid_token
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* @param bool $valid_key
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* @return MockHandler
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*/
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private function getHandler(bool $defaultFakeData, bool $valid_token, bool $valid_key): MockHandler
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{
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if ($defaultFakeData) {
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$this->setDefaultFakeData();
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}
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$config = $this->getConfig();
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$tokenResponse = $valid_token ? $this->tokenFaker->getB2cTokenResponse() : [''];
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$keyResponse = $valid_key ? $this->keysFaker->getKeysResponse($this->tokenFaker->getPublicKey(), $this->tokenFaker->getModulus(), $this->tokenFaker->getExponent()) : ['keys' => [['']]];
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return new MockHandler([
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new Response(200, ['content-type' => 'application/json'], json_encode($config)),
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new Response(200, ['content-type' => 'application/json'], json_encode($tokenResponse)),
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new Response(200, ['content-type' => 'application/json'], json_encode($keyResponse)),
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new Response(200, ['content-type' => 'application/json'], json_encode($config)),
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new Response(200, ['content-type' => 'application/json'], json_encode($keyResponse)),
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]);
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}
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/**
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* @param bool $defaultFakeData
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* @param bool $valid_token
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* @param bool $valid_key
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* @return Client
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*/
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public function getMockHttpClient(bool $defaultFakeData = true, bool $valid_token = true, bool $valid_key = true): Client
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{
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return new Client(['handler' => $this->getHandler($defaultFakeData, $valid_token, $valid_key)]);
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}
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/**
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* @param Azure $azure
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* @return AccessTokenInterface
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* @throws IdentityProviderException
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*/
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public function getAccessToken(Azure $azure): AccessTokenInterface
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{
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return $azure->getAccessToken('authorization_code', [
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'scope' => $azure->scope,
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'code' => 'authorization_code',
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]);
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}
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/**
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* @return string
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*/
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public function getDefaultClientId(): string
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{
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return $this->defaultClientId;
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}
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/**
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* @return string
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*/
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public function getDefaultIss(): string
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{
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return $this->defaultIss;
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}
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/**
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* @return string
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*/
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public function getDefaultAuthEndpoint(): string
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{
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return $this->defaultAuthEndpoint;
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}
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/**
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* @return string
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*/
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public function getDefaultLogoutUrl(): string
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{
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return $this->defaultLogoutUrl;
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}
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/**
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* @return B2cTokenFaker
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*/
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public function getTokenFaker(): B2cTokenFaker
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{
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return $this->tokenFaker;
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}
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}

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