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<?php
require_once "functions.php";
require_once "sessions.php";
require_once "sanity_check.php";
require_once "config.php";
require_once "db.php";
require_once "lib/twitteroauth/twitteroauth.php";
$link = db_connect(DB_HOST, DB_USER, DB_PASS, DB_NAME);
init_connection($link);
login_sequence($link);
$owner_uid = $_SESSION["uid"];
$op = $_REQUEST['op'];
if (!SINGLE_USER_MODE && !$_SESSION['uid']) {
render_login_form($link);
exit;
}
$callback_url = get_self_url_prefix() . "/twitter.php?op=callback";
if ($op == 'clear') {
/* Remove no longer needed request tokens */
unset($_SESSION['oauth_token']);
unset($_SESSION['oauth_token_secret']);
unset($_SESSION['access_token']);
header("Location: twitter.php");
return;
}
if ($op == 'callback') {
/* If the oauth_token is old redirect to the connect page. */
if (isset($_REQUEST['oauth_token']) &&
$_SESSION['oauth_token'] !== $_REQUEST['oauth_token']) {
$_SESSION['oauth_status'] = 'oldtoken';
header('Location: twitter.php?op=clear');
return;
}
/* Create TwitteroAuth object with app key/secret and token key/secret from default phase */
$connection = new TwitterOAuth(CONSUMER_KEY, CONSUMER_SECRET, $_SESSION['oauth_token'], $_SESSION['oauth_token_secret']);
/* Request access tokens from twitter */
$access_token = $connection->getAccessToken($_REQUEST['oauth_verifier']);
/* If HTTP response is 200 continue otherwise send to connect page to retry */
if ($connection->http_code == 200) {
$access_token = db_escape_string(json_encode($access_token));
db_query($link, "UPDATE ttrss_users SET twitter_oauth = '$access_token'
WHERE id = ".$_SESSION['uid']);
} else {
header('Location: twitter.php?op=clear');
return;
}
}
if ($op == 'register') {
/* Build TwitterOAuth object with client credentials. */
$connection = new TwitterOAuth(CONSUMER_KEY, CONSUMER_SECRET);
/* Get temporary credentials. */
$request_token = $connection->getRequestToken($callback_url);
/* Save temporary credentials to session. */
$_SESSION['oauth_token'] = $token = $request_token['oauth_token'];
$_SESSION['oauth_token_secret'] = $request_token['oauth_token_secret'];
if ($connection->http_code == 200) {
$url = $connection->getAuthorizeURL($token);
header('Location: ' . $url);
return;
}
}
?>
<html>
<head>
<title>Register with Twitter</title>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<link rel="stylesheet" type="text/css" href="utility.css">
</head>
<body>
<h1><?php echo __('Register with Twitter') ?></h1>
<?php if ($op == 'register') { ?>
<p><?php print_error(__('Could not connect to Twitter. Refresh the page or try again later.')) ?></p>
<?php } else if ($op == 'callback') { ?>
<?php print_notice(__('Congratulations! You have successfully registered with Twitter.')) ?>
</p>
<form method="GET" action="prefs.php">
<input type="hidden" name="tab" value="feedConfig">
<button type="submit"><?php echo __('Return to Tiny Tiny RSS') ?></button>
</form>
<?php } else { ?>
<form method="GET" action="twitter.php" style='display : inline'>
<input type="hidden" name="op" value="register">
<button type="submit"><?php echo __('Register') ?></button>
</form>
<form method="GET" action="prefs.php" style='display : inline'>
<input type="hidden" name="tab" value="feedConfig">
<button type="submit"><?php echo __('Return to Tiny Tiny RSS') ?></button>
</form>
<?php } ?>
</body>
</html>
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