friendica/mod/hovercard.php

<?php

/**
 * Name: Frio Hovercard
 * Description: Hovercard addon for the frio theme
 * Version: 0.1
 * Author: Rabuzarus <https://github.com/rabuzarus>
 * License: GNU AFFERO GENERAL PUBLIC LICENSE (Version 3)
 */
use Friendica\App;
use Friendica\Core\Config;
use Friendica\Core\System;
use Friendica\Model\Contact;
use Friendica\Model\GContact;
use Friendica\Model\Profile;

function hovercard_init(App $a)
{
	// Just for testing purposes
	$_GET['mode'] = 'minimal';
}

function hovercard_content()
{
	$profileurl = defaults($_REQUEST, 'profileurl', '');
	$datatype   = defaults($_REQUEST, 'datatype'  , 'json');

	// Get out if the system doesn't have public access allowed
	if (intval(Config::get('system', 'block_public'))) {
		System::httpExit(401);
	}

	// Return the raw content of the template. We use this to make templates usable for js functions.
	// Look at hovercard.js (function getHoverCardTemplate()).
	// This part should be moved in its own module. Maybe we could make more templates accessible.
	// (We need to discuss possible security leaks before doing this)
	if ($datatype == 'tpl') {
		$templatecontent = get_template_content('hovercard.tpl');
		echo $templatecontent;
		killme();
	}

	// If a contact is connected the url is internally changed to 'redir/CID'. We need the pure url to search for
	// the contact. So we strip out the contact id from the internal url and look in the contact table for
	// the real url (nurl)
	$cid = 0;
	if (local_user() && strpos($profileurl, 'redir/') === 0) {
		$cid = intval(substr($profileurl, 6));
		$remote_contact = dba::selectFirst('contact', ['nurl'], ['id' => $cid]);
		$profileurl = defaults($remote_contact, 'nurl', '');
	}

	$contact = [];
	// if it's the url containing https it should be converted to http
	$nurl = normalise_link(GContact::cleanContactUrl($profileurl));
	if ($nurl) {
		// Search for contact data
		$contact = Contact::getDetailsByURL($nurl);
	}
	if (!count($contact)) {
		return;
	}

	// Get the photo_menu - the menu if possible contact actions
	if (local_user()) {
		$actions = Contact::photoMenu($contact);
	}

	// Move the contact data to the profile array so we can deliver it to
	$profile = [
		'name'     => $contact['name'],
		'nick'     => $contact['nick'],
		'addr'     => defaults($contact, 'addr', $contact['url']),
		'thumb'    => proxy_url($contact['thumb'], false, PROXY_SIZE_THUMB),
		'url'      => $cid ? ('redir/' . $cid) : Profile::zrl($contact['url']),
		'nurl'     => $contact['nurl'], // We additionally store the nurl as identifier
		'location' => $contact['location'],
		'gender'   => $contact['gender'],
		'about'    => $contact['about'],
		'network'  => format_network_name($contact['network'], $contact['url']),
		'tags'     => $contact['keywords'],
		'bd'       => $contact['birthday'] <= '0001-01-01' ? '' : $contact['birthday'],
		'account_type' => Contact::getAccountType($contact),
		'actions'  => $actions,
	];
	if ($datatype == 'html') {
		$tpl = get_markup_template('hovercard.tpl');
		$o = replace_macros($tpl, [
			'$profile' => $profile,
		]);

		return $o;
	} else {
		System::jsonExit($profile);
	}
}

/**
 * @brief Get the raw content of a template file
 *
 * @param string $template The name of the template
 * @param string $root Directory of the template
 *
 * @return string|bool Output the raw content if existent, otherwise false
 */
function get_template_content($template, $root = '')
{
	// We load the whole template system to get the filename.
	// Maybe we can do it a little bit smarter if I get time.
	$t = get_markup_template($template, $root);
	$filename = $t->filename;

	// Get the content of the template file
	if (file_exists($filename)) {
		$content = file_get_contents($filename);

		return $content;
	}

	return false;
}