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<?php
require_once "bootstrap.php";
if (isset($access_token)) {
header("Location: ./");
exit;
}
try {
// Start a new Dropbox session
$session = new DropboxSession(
$config["dropbox"]["app_key"],
$config["dropbox"]["app_secret"],
$config["dropbox"]["access_type"]
);
// The user is redirected here by Dropbox after the authorization screen
if (!empty($_GET["oauth_token"]) && !empty($_GET["uid"])) {
$uid = $_GET["uid"];
$token = array(
"oauth_token" => $_GET["oauth_token"],
"oauth_token_secret" => ""
);
if (!empty($_SESSION["request_token"])) {
$token["oauth_token_secret"] = $_SESSION["request_token"]["oauth_token_secret"];
}
/**
* The access token is all you'll need for all future API requests on
* behalf of this user, so you should store it away for safe-keeping
* (even though we don't for this article). By storing the access
* token, you won't need to go through the authorization process again
* unless the user revokes access via the Dropbox website.
*/
if ($access_token = $session->obtainAccessToken($token)) {
parse_str($access_token, $token);
$access_token = $token;
unset($token);
// The output ov var_export is similar to:
// array("oauth_token_secret" => "aaaa", "oauth_token" => "bbbb", "uid" => "123456")
$data = '<?php $access_token = ' . var_export($access_token, true) . ";";
if (file_put_contents($config["app"]["authfile"], $data) === false) {
throw new Exception("Unable save access token");
}
// Authorized, redirect to index
header("Location: index.php");
exit;
}
// The access token should be stored somewhere to be reused until
// it expires or is revoked by the user
}
else {
// We must start a new authorization cycle
if ($request_token = $session->obtainRequestToken()) {
// The request token must be subdivided in the two components
// oauth_token_secret and oauth_token and kept in the session
// because is needed in the next step
parse_str($request_token, $token);
$_SESSION["request_token"] = $token;
$url = $session->buildAuthorizeURL(
$token,
$config["app"]["root"] . basename($_SERVER["SCRIPT_NAME"]),
"en-US");
// Display or redirect to auth URL
echo '<p>Please visit <a href="' . $url . '">Dropbox</a> and authorize this application.</p>';
exit;
}
else {
throw new Exception("Unable to get request token");
}
}
}
catch (Exception $e) {
echo $e->getMessage();
}
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