<?php

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 (!count($r))
		return null;
	
	return $r[0];
}

function api_post(&$a) {

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

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

}

function api_content(&$a) {
	if($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 = OAuth1Request::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.";
			$consumer = new OAuth1Consumer($app['client_id'], $app['pw'], $app['redirect_uri']);

			$verifier = md5($app['secret'].local_channel());
			set_config("oauth", $verifier, local_channel());
			
			
			if($consumer->callback_url!=null) {
				$params = $request->get_parameters();
				$glue="?";
				if (strstr($consumer->callback_url,$glue)) $glue="?";
				goaway($consumer->callback_url . $glue . "oauth_token=" . OAuth1Util::urlencode_rfc3986($params['oauth_token']) . "&oauth_verifier=" . OAuth1Util::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_channel()) {
			//TODO: we need login form to redirect to this page
			notice( t('Please login to continue.') . EOL );
			return login(false,'api-login',$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'),
		));
		
		//echo "<pre>"; var_dump($app); killme();
		
		return $o;
	}
	
	echo api_call($a);
	killme();
}



