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<?php
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Response;
class Controller {
public $http;
public function __construct() {
$this->http = new Telegraph\HTTP();
}
private function _is_logged_in(Request $request, Response $response) {
session_start();
if(!session('user_id')) {
session_destroy();
$response->setStatusCode(302);
$response->headers->set('Location', '/login?return_to='.$request->getRequestURI());
return false;
} else {
return true;
}
}
private function _get_role(Request $request, Response $response) {
// Default to load their first site, but let the query string override it
$role = ORM::for_table('roles')->join('sites', 'roles.site_id = sites.id')
->where('user_id', session('user_id'))->order_by_asc('sites.created_at')->find_one();
if($request->get('account')) {
$role = ORM::for_table('roles')->where('user_id', session('user_id'))->where('site_id', $request->get('account'))->find_one();
// Check that the user has permission to access this account
if(!$role) {
$response->setStatusCode(302);
$response->headers->set('Location', '/dashboard');
return false;
}
}
return $role;
}
public function index(Request $request, Response $response) {
p3k\session_setup();
$response->setContent(view('index', [
'title' => 'Telegraph',
'user' => $this->_user(),
]));
return $response;
}
public function api(Request $request, Response $response) {
session_start();
if(session('user_id')) {
$role = $this->_get_role($request, $response);
$site = ORM::for_table('sites')->where_id_is($role->site_id)->find_one();
} else {
$role = false;
$site = false;
}
$response->setContent(view('api', [
'title' => 'Telegraph API Documentation',
'user' => $this->_user(),
'accounts' => $this->_accounts(),
'site' => $site,
'role' => $role,
'return_to' => $request->getRequestURI()
]));
return $response;
}
public function superfeedr(Request $request, Response $response) {
session_start();
if(session('user_id')) {
$role = $this->_get_role($request, $response);
$site = ORM::for_table('sites')->where_id_is($role->site_id)->find_one();
} else {
$role = false;
$site = false;
}
$response->setContent(view('superfeedr', [
'title' => 'Telegraph Superfeedr Documentation',
'user' => $this->_user(),
'accounts' => $this->_accounts(),
'site' => $site,
'role' => $role,
'return_to' => $request->getRequestURI()
]));
return $response;
}
private static function _icon_for_status($status) {
switch($status) {
case 'success':
case 'accepted':
return 'green checkmark';
case 'not_supported':
return 'yellow x';
case 'error':
return 'red x';
case 'pending':
return 'orange wait';
default:
return '';
}
}
public function dashboard(Request $request, Response $response) {
if(!$this->_is_logged_in($request, $response)) {
return $response;
}
if(!$role=$this->_get_role($request, $response)) {
return $response;
}
$site = ORM::for_table('sites')->where_id_is($role->site_id)->find_one();
$query = ORM::for_table('webmentions')->where('site_id', $site->id)
->order_by_desc('created_at')
->limit(20)
->find_many();
$webmentions = [];
foreach($query as $m) {
$statuses = ORM::for_table('webmention_status')->where('webmention_id', $m->id)->order_by_desc('created_at')->find_many();
if(count($statuses) == 0) {
$status = 'pending';
} else {
$status = $statuses[0]->status;
}
$icon = self::_icon_for_status($status);
$webmentions[] = [
'webmention' => $m,
'statuses' => $statuses,
'status' => $status,
'icon' => $icon
];
}
$response->setContent(view('dashboard', [
'title' => 'Telegraph Dashboard',
'user' => $this->_user(),
'accounts' => $this->_accounts(),
'site' => $site,
'role' => $role,
'webmentions' => $webmentions
]));
return $response;
}
public function send_a_webmention(Request $request, Response $response) {
session_start();
$_SESSION['_csrf'] = random_string(16);
$response->setContent(view('send-a-webmention', [
'title' => 'Send a Webmention with Telegraph',
'user' => $this->_user(),
'accounts' => $this->_accounts(),
'csrf' => $_SESSION['_csrf'],
]));
return $response;
}
public function new_site(Request $request, Response $response) {
if(!$this->_is_logged_in($request, $response)) {
return $response;
}
if(!$role=$this->_get_role($request, $response)) {
return $response;
}
if($request->get('account')) {
// permissions are checked already by _get_role
$site = ORM::for_table('sites')->where_id_is($request->get('account'))->find_one();
} else {
$site = null;
}
$response->setContent(view('new-site', [
'title' => 'Create New Site',
'user' => $this->_user(),
'accounts' => $this->_accounts(),
'role' => $role,
'site' => $site
]));
return $response;
}
public function save_site(Request $request, Response $response) {
if(!$this->_is_logged_in($request, $response)) {
return $response;
}
if(!$role=$this->_get_role($request, $response)) {
return $response;
}
if($request->get('account')) {
// permissions are checked already by _get_role
$site = ORM::for_table('sites')->where_id_is($request->get('account'))->find_one();
$site->name = $request->get('name');
$site->url = $request->get('url');
$site->save();
} else {
$site = ORM::for_table('sites')->create();
$site->created_by = session('user_id');
$site->created_at = date('Y-m-d H:i:s');
$site->name = $request->get('name');
$site->url = $request->get('url');
$site->save();
$role = ORM::for_table('roles')->create();
$role->site_id = $site->id;
$role->user_id = session('user_id');
$role->role = 'owner';
$role->token = random_string(32);
$role->save();
}
$response->setStatusCode(302);
$response->headers->set('Location', '/dashboard?account='.$site->id);
return $response;
}
public function webmention_details(Request $request, Response $response, $args) {
session_start();
// Look up the webmention by its token
$webmention = ORM::for_table('webmentions')->where('token', $args['code'])->find_one();
if(!$webmention) {
$response->setContent(view('not-found'));
return $response;
}
$site = ORM::for_table('sites')->where_id_is($webmention->site_id)->find_one();
// Find the user's role for this site
if($site && $this->_user()) {
$role = ORM::for_table('roles')
->where('site_id', $site['id'])
->where('user_id', $this->_user()['id'])
->find_one();
}
$statuses = ORM::for_table('webmention_status')->where('webmention_id', $webmention->id)->order_by_desc('created_at')->find_many();
if(count($statuses) == 0) {
$status = 'pending';
} else {
$status = $statuses[0]->status;
}
$icon = self::_icon_for_status($status);
$response->setContent(view('webmention-details', [
'title' => 'Webmention Details',
'user' => $this->_user(),
'accounts' => $this->_accounts(),
'site' => $site,
'role' => isset($role) ? $role : false,
'webmention' => $webmention,
'statuses' => $statuses,
'icon' => $icon,
'status' => $status
]));
return $response;
}
public function dashboard_send(Request $request, Response $response) {
if(!$this->_is_logged_in($request, $response)) {
return $response;
}
if(!$role=$this->_get_role($request, $response)) {
return $response;
}
$site = ORM::for_table('sites')->where_id_is($role->site_id)->find_one();
$response->setContent(view('webmention-send', [
'title' => 'Webmention Details',
'user' => $this->_user(),
'accounts' => $this->_accounts(),
'site' => $site,
'role' => $role,
'url' => $request->get('url')
]));
return $response;
}
public function get_outgoing_links(Request $request, Response $response) {
if(!$this->_is_logged_in($request, $response)) {
return $response;
}
$sourceURL = $request->get('url');
$source = $this->http->get($sourceURL, ['Accept: text/html, */*']);
$xray = new \p3k\XRay();
$parsed = $xray->parse($sourceURL, $source['body']);
if($parsed && isset($parsed['data'])) {
$links = Telegraph\FindLinks::all($parsed['data']);
} else {
$links = [];
}
// Remove the source URL from the list if present
$links = array_filter($links, function($link) use($sourceURL) {
// Remove URL fragment when comparing to ignore more self-links
$link = preg_replace('/#.+$/', '', $link);
return $link != $sourceURL;
});
$response->headers->set('Content-Type', 'application/json');
$response->setContent(json_encode([
'links' => $links
]));
return $response;
}
public function discover_endpoint(Request $request, Response $response) {
if(!$this->_is_logged_in($request, $response)) {
return $response;
}
$targetURL = $request->get('target');
if(!Telegraph\Webmention::isProbablySupported($targetURL)) {
$status = 'none';
$cached = -1;
} else {
// Cache the discovered result
$cacheKey = 'telegraph:discover_endpoint:'.$targetURL;
if($request->get('ignore_cache') == 'true' || (!$status = redis()->get($cacheKey))) {
$client = new IndieWeb\MentionClient();
$endpoint = $client->discoverWebmentionEndpoint($targetURL);
if($endpoint) {
$status = 'webmention';
} else {
$endpoint = $client->discoverPingbackEndpoint($targetURL);
if($endpoint) {
$status = 'pingback';
} else {
$status = 'none';
}
}
$cached = false;
redis()->setex($cacheKey, 600, $status);
} else {
$cached = true;
}
}
$response->headers->set('Content-Type', 'application/json');
$response->setContent(json_encode([
'status' => $status,
'cached' => $cached
]));
return $response;
}
private function _user() {
if(!session('user_id')) return null;
return ORM::for_table('users')->where_id_is(session('user_id'))->find_one();
}
private function _accounts() {
if(!session('user_id')) return [];
return ORM::for_table('sites')->join('roles', 'roles.site_id = sites.id')
->where('roles.user_id', session('user_id'))
->find_many();
}
}