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<?php
/**
* linkedin-client
* index.php
*
* PHP Version 5
*
* @category Production
* @package Default
* @author Philipp Tkachev <philipp@zoonman.com>
* @date 8/17/17 22:47
* @license http://zoonman.com/license.txt linkedin-client License
* @version GIT: 1.0
* @link http://zoonman.com/projects/linkedin-client
*/
// add Composer autoloader
include_once dirname(__DIR__) . DIRECTORY_SEPARATOR . 'vendor/autoload.php';
// import client class
use LinkedIn\Client;
use LinkedIn\Scope;
// import environment variables from the environment file
// you need a .env file in the parent folder
// read this document to learn how to create that file
// https://github.com/zoonman/linkedin-api-php-client/blob/master/examples/README.md
//
$dotenv = new Dotenv\Dotenv(dirname(__DIR__));
$dotenv->load();
// we need a session to keep intermediate results
// you can use your own session persistence management
// client doesn't depend on it
session_start();
// instantiate the Linkedin client
// you can setup keys using
$client = new Client(
getenv('LINKEDIN_CLIENT_ID'),
getenv('LINKEDIN_CLIENT_SECRET')
);
if (isset($_GET['code'])) { // we are returning back from LinkedIn with the code
if (isset($_GET['state']) && // and state parameter in place
isset($_SESSION['state']) && // and we have have stored state
$_GET['state'] === $_SESSION['state'] // and it is our request
) {
try {
// you have to set initially used redirect url to be able
// to retrieve access token
$client->setRedirectUrl($_SESSION['redirect_url']);
// retrieve access token using code provided by LinkedIn
$accessToken = $client->getAccessToken($_GET['code']);
h1('Access token');
pp($accessToken); // print the access token content
h1('Profile');
// perform api call to get profile information
$profile = $client->get(
'people/~:(id,email-address,first-name,last-name)'
);
pp($profile); // print profile information
$share = $client->post(
'people/~/shares',
[
'comment' => 'Checkout this amazing PHP SDK for LinkedIn!',
'content' => [
'title' => 'PHP Client for LinkedIn API',
'description' => 'OAuth 2 flow, composer Package',
'submitted-url' => 'https://github.com/zoonman/linkedin-api-php-client',
'submitted-image-url' => 'https://github.com/fluidicon.png',
],
'visibility' => [
'code' => 'anyone'
]
]
);
pp($share);
// set sandboxed company page id to work with
// https://www.linkedin.com/company/devtestco
$companyId = '2414183';
h1('Company information');
$companyInfo = $client->get('companies/' . $companyId . ':(id,name,num-followers,description)');
pp($companyInfo);
h1('Sharing on company page');
$companyShare = $client->post(
'companies/' . $companyId . '/shares',
[
'comment' =>
sprintf(
'%s %s just tried this amazing PHP SDK for LinkedIn!',
$profile['firstName'],
$profile['lastName']
),
'content' => [
'title' => 'PHP Client for LinkedIn API',
'description' => 'OAuth 2 flow, composer Package',
'submitted-url' => 'https://github.com/zoonman/linkedin-api-php-client',
'submitted-image-url' => 'https://github.com/fluidicon.png',
],
'visibility' => [
'code' => 'anyone'
]
]
);
pp($companyShare);
/*
// Returns {"serviceErrorCode":100,"message":"Not enough permissions to access media resource","status":403}
// You have to be whitelisted or so by LinkedIn
$filename = './demo.jpg';
$client->setApiRoot('https://api.linkedin.com/');
$mp = $client->upload($filename);
*/
} catch (\LinkedIn\Exception $exception) {
// in case of failure, provide with details
pp($exception);
pp($_SESSION);
}
echo '<a href="/">Start over</a>';
} else {
// normally this shouldn't happen unless someone sits in the middle
// and trying to override your state
// or you are trying to change saved state during linking
echo 'Invalid state!';
pp($_GET);
pp($_SESSION);
echo '<a href="/">Start over</a>';
}
} elseif (isset($_GET['error'])) {
// if you cancel during linking
// you will be redirected back with reason
pp($_GET);
echo '<a href="/">Start over</a>';
} else {
// define desired list of scopes
$scopes = [
Scope::READ_BASIC_PROFILE,
Scope::READ_EMAIL_ADDRESS,
Scope::MANAGE_COMPANY,
Scope::SHARING,
];
$loginUrl = $client->getLoginUrl($scopes); // get url on LinkedIn to start linking
$_SESSION['state'] = $client->getState(); // save state for future validation
$_SESSION['redirect_url'] = $client->getRedirectUrl(); // save redirect url for future validation
echo 'LoginUrl: <a href="'.$loginUrl.'">' . $loginUrl. '</a>';
}
/**
* Pretty print whatever passed in
*
* @param mixed $anything
*/
function pp($anything)
{
echo '<pre>' . print_r($anything, true) . '</pre>';
}
/**
* Add header
*
* @param string $h
*/
function h1($h) {
echo '<h1>' . $h . '</h1>';
}
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