function su_session_start($socket_file, $app_key, $app_secret)
{
session_start();
// User is not logged in, redirect
if (empty($_SESSION['oauth_uid'])) {
header('Location: twitter_login.php');
exit;
}
$sock = stream_socket_client("unix://{$socket_file}", $errno, $errstr);
// todo: make this error message prettier?
if ($errno) {
print_html_header();
print "something is wrong: <strong>{$errstr}!</strong><br />\n";
print "the backend server probably isn't running. kick it.\n";
print "</body></html>";
exit;
}
// create a connection to our backend server
// serves no purpose beyond ensuring our auth works
$ret = login_to_backend($sock, $app_key, $app_secret, $_SESSION['oauth_token'], $_SESSION['oauth_token_secret']);
// todo: put in a link to the webpage. we should add that to the conf file.
if ($ret == "AUTH_ERR") {
print_html_header();
print "There seems to be a problem logging you in to twitter. ";
print "Try hitting back in your browser to restart the process.\n";
print "</body></html>";
exit;
}
return $sock;
}
<?php
require 'conf.php';
require 'lib.php';
$sock = su_session_start($socket_file, $app_key, $app_secret);
// i have literally no idea why i'm writing newlines like this.
fwrite($sock, 'STATUS' . "\n");
$ret = chop(fgets($sock));
// if status is DONE, we can go to our final step!
if ($ret == "DONE") {
header('Location: step4.php');
exit;
}
// if status is WAIT, set a refresh for 10 seconds.
if ($ret == "WAIT") {
header("refresh: 10;");
print_html_header();
print "Processing, refreshing in 10 seconds...\n";
print "</body></html>\n";
exit;
}
// if neither of those were caught, redirect to twitter login because something went wrong.
header('Location: twitter_login.php');
