<?php
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/*
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* This file is part of the overtrue/socialite.
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*
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* (c) overtrue <i@overtrue.me>
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*
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* This source file is subject to the MIT license that is bundled
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* with this source code in the file LICENSE.
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*/
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namespace Overtrue\Socialite\Providers;
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use Overtrue\Socialite\AccessTokenInterface;
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use Overtrue\Socialite\ProviderInterface;
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use Overtrue\Socialite\User;
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/**
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* Class LinkedinProvider.
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*
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* @see https://developer.linkedin.com/docs/oauth2 [Authenticating with OAuth 2.0]
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*/
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class LinkedinProvider extends AbstractProvider implements ProviderInterface
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{
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/**
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* The scopes being requested.
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*
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* @var array
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*/
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protected $scopes = ['r_liteprofile', 'r_emailaddress'];
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/**
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* {@inheritdoc}
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*/
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protected function getAuthUrl($state)
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{
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return $this->buildAuthUrlFromBase('https://www.linkedin.com/oauth/v2/authorization', $state);
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}
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/**
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* Get the access token for the given code.
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*
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* @param string $code
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*
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* @return \Overtrue\Socialite\AccessToken
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*/
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public function getAccessToken($code)
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{
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$response = $this->getHttpClient()
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->post($this->getTokenUrl(), ['form_params' => $this->getTokenFields($code)]);
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return $this->parseAccessToken($response->getBody());
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}
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/**
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* {@inheritdoc}
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*/
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protected function getTokenUrl()
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{
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return 'https://www.linkedin.com/oauth/v2/accessToken';
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}
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/**
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* Get the POST fields for the token request.
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*
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* @param string $code
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*
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* @return array
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*/
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protected function getTokenFields($code)
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{
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return parent::getTokenFields($code) + ['grant_type' => 'authorization_code'];
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}
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/**
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* {@inheritdoc}
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*/
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protected function getUserByToken(AccessTokenInterface $token)
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{
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$basicProfile = $this->getBasicProfile($token);
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$emailAddress = $this->getEmailAddress($token);
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return array_merge($basicProfile, $emailAddress);
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}
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/**
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* Get the basic profile fields for the user.
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*
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* @param string $token
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*
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* @return array
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*/
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protected function getBasicProfile($token)
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{
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$url = 'https://api.linkedin.com/v2/me?projection=(id,firstName,lastName,profilePicture(displayImage~:playableStreams))';
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$response = $this->getHttpClient()->get($url, [
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'headers' => [
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'Authorization' => 'Bearer '.$token,
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'X-RestLi-Protocol-Version' => '2.0.0',
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],
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]);
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return (array) json_decode($response->getBody(), true);
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}
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/**
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* Get the email address for the user.
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*
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* @param string $token
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*
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* @return array
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*/
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protected function getEmailAddress($token)
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{
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$url = 'https://api.linkedin.com/v2/emailAddress?q=members&projection=(elements*(handle~))';
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$response = $this->getHttpClient()->get($url, [
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'headers' => [
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'Authorization' => 'Bearer '.$token,
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'X-RestLi-Protocol-Version' => '2.0.0',
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],
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]);
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return (array) $this->arrayItem(json_decode($response->getBody(), true), 'elements.0.handle~');
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}
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/**
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* {@inheritdoc}
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*/
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protected function mapUserToObject(array $user)
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{
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$preferredLocale = $this->arrayItem($user, 'firstName.preferredLocale.language').'_'.$this->arrayItem($user, 'firstName.preferredLocale.country');
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$firstName = $this->arrayItem($user, 'firstName.localized.'.$preferredLocale);
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$lastName = $this->arrayItem($user, 'lastName.localized.'.$preferredLocale);
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$name = $firstName.' '.$lastName;
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$images = (array) $this->arrayItem($user, 'profilePicture.displayImage~.elements', []);
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$avatars = array_filter($images, function ($image) {
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return $image['data']['com.linkedin.digitalmedia.mediaartifact.StillImage']['storageSize']['width'] === 100;
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});
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$avatar = array_shift($avatars);
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$originalAvatars = array_filter($images, function ($image) {
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return $image['data']['com.linkedin.digitalmedia.mediaartifact.StillImage']['storageSize']['width'] === 800;
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});
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$originalAvatar = array_shift($originalAvatars);
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return new User([
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'id' => $this->arrayItem($user, 'id'),
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'nickname' => $name,
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'name' => $name,
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'email' => $this->arrayItem($user, 'emailAddress'),
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'avatar' => $avatar ? $this->arrayItem($avatar, 'identifiers.0.identifier') : null,
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'avatar_original' => $originalAvatar ? $this->arrayItem($originalAvatar, 'identifiers.0.identifier') : null,
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]);
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}
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/**
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* Set the user fields to request from LinkedIn.
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*
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* @param array $fields
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*
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* @return $this
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*/
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public function fields(array $fields)
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{
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$this->fields = $fields;
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return $this;
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}
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/**
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* Determine if the provider is operating as stateless.
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*
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* @return bool
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*/
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protected function isStateless()
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{
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return true;
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}
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}
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