<?php

use Friendica\App;
use Friendica\Core\Config;

require_once('include/api.php');

function oauth_get_client($request){


	$params = $request->get_parameters();
	$token = $params['oauth_token'];

	$r = q("SELECT `clients`.*
			FROM `clients`, `tokens`
			WHERE `clients`.`client_id`=`tokens`.`client_id`
			AND `tokens`.`id`='%s' AND `tokens`.`scope`='request'",
			dbesc($token));

	if (!dbm::is_result($r))
		return null;

	return $r[0];
}

function api_post(App $a) {

	if (! local_user()) {
		notice( t('Permission denied.') . EOL);
		return;
	}

	if(count($a->user) && x($a->user,'uid') && $a->user['uid'] != local_user()) {
		notice( t('Permission denied.') . EOL);
		return;
	}

}

function api_content(App $a) {
	if ($a->cmd=='api/oauth/authorize'){
		/*
		 * api/oauth/authorize interact with the user. return a standard page
		 */

		$a->page['template'] = "minimal";


		// get consumer/client from request token
		try {
			$request = OAuthRequest::from_request();
		} catch(Exception $e) {
			echo "<pre>"; var_dump($e); killme();
		}


		if (x($_POST,'oauth_yes')){

			$app = oauth_get_client($request);
			if (is_null($app)) return "Invalid request. Unknown token.";
			$consumer = new OAuthConsumer($app['client_id'], $app['pw'], $app['redirect_uri']);

			$verifier = md5($app['secret'].local_user());
			Config::set("oauth", $verifier, local_user());


			if ($consumer->callback_url!=null) {
				$params = $request->get_parameters();
				$glue="?";
				if (strstr($consumer->callback_url,$glue)) $glue="?";
				goaway($consumer->callback_url.$glue."oauth_token=".OAuthUtil::urlencode_rfc3986($params['oauth_token'])."&oauth_verifier=".OAuthUtil::urlencode_rfc3986($verifier));
				killme();
			}


			$tpl = get_markup_template("oauth_authorize_done.tpl");
			$o = replace_macros($tpl, array(
				'$title' => t('Authorize application connection'),
				'$info' => t('Return to your app and insert this Securty Code:'),
				'$code' => $verifier,
			));

			return $o;


		}


		if (! local_user()) {
			/// @TODO We need login form to redirect to this page
			notice( t('Please login to continue.') . EOL );
			return login(false,$request->get_parameters());
		}
		//FKOAuth1::loginUser(4);

		$app = oauth_get_client($request);
		if (is_null($app)) return "Invalid request. Unknown token.";


		$tpl = get_markup_template('oauth_authorize.tpl');
		$o = replace_macros($tpl, array(
			'$title' => t('Authorize application connection'),
			'$app' => $app,
			'$authorize' => t('Do you want to authorize this application to access your posts and contacts, and/or create new posts for you?'),
			'$yes'	=> t('Yes'),
			'$no'	=> t('No'),
		));

		return $o;
	}

	echo api_call($a);
	killme();
}