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<?php

/**
 * Diaspora endpoint
 */


//require_once('include/salmon.php');
require_once('include/crypto.php');
require_once('include/diaspora.php');

	
function receive_post(&$a) {


	$enabled = intval(get_config('system','diaspora_enabled'));
	if(! $enabled) {
		logger('mod-diaspora: disabled');
		http_status_exit(500);
	}

	$public = false;

	if((argc() == 2) && (argv(1) === 'public')) {
		$public = true;
	}
	else {

		if(argc() != 3 || argv(1) !== 'users')
			http_status_exit(500);

		$guid = argv(2);

		$r = q("SELECT * FROM channel left join account on account_id = channel_account_id WHERE channel_guid = '%s' AND account_flags = 0 LIMIT 1",
			dbesc($guid)
		);
		if(! $r)
			http_status_exit(500);

		$importer = $r[0];
	}

	// It is an application/x-www-form-urlencoded that has been urlencoded twice.

	logger('mod-diaspora: receiving post', LOGGER_DEBUG);

	$xml = urldecode($_POST['xml']);

	logger('mod-diaspora: new salmon ' . $xml, LOGGER_DATA);

	if(! $xml)
		http_status_exit(500);

	logger('mod-diaspora: message is okay', LOGGER_DEBUG);

	$msg = diaspora_decode($importer,$xml);

	logger('mod-diaspora: decoded', LOGGER_DEBUG);

	logger('mod-diaspora: decoded msg: ' . print_r($msg,true), LOGGER_DATA);

	if(! is_array($msg))
		http_status_exit(500);

	logger('mod-diaspora: dispatching', LOGGER_DEBUG);

	$ret = 0;
	if($public)
		diaspora_dispatch_public($msg);
	else
		$ret = diaspora_dispatch($importer,$msg);

	http_status_exit(($ret) ? $ret : 200);
	// NOTREACHED
}