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<?php
use \Firebase\JWT\JWT;
function require_login(&$app) {
$params = $app->request()->params();
if(!array_key_exists('user_id', $_SESSION)) {
$app->redirect('/');
return false;
} else {
return ORM::for_table('users')->find_one($_SESSION['user_id']);
}
}
function get_login(&$app) {
if(array_key_exists('user_id', $_SESSION)) {
return ORM::for_table('users')->find_one($_SESSION['user_id']);
} else {
return false;
}
}
function generate_login_token() {
return JWT::encode(array(
'user_id' => $_SESSION['user_id'],
'me' => $_SESSION['me'],
'created_at' => time()
), Config::$jwtSecret);
}
$app->get('/new', function() use($app) {
if($user=require_login($app)) {
// Get the last post and set the timezone offset to match
$date_str = date('Y-m-d');
$time_str = date('H:i:s');
$tz_offset = '+0000';
$last = ORM::for_table('entries')->where('user_id', $user->id)
->order_by_desc('published')->find_one();
if(false && $last) {
$seconds = $last->tz_offset;
$tz_offset = tz_seconds_to_offset($seconds);
// Create a date object in the local timezone given the offset
$date = new DateTime();
if($seconds > 0)
$date->add(new DateInterval('PT'.$seconds.'S'));
elseif($seconds < 0)
$date->sub(new DateInterval('PT'.abs($seconds).'S'));
$date_str = $date->format('Y-m-d');
$time_str = $date->format('H:i:s');
}
// Initially populate the page with the list of options without considering location.
// This way if browser location is disabled or not available, or JS is disabled, there
// will still be a list of options presented on the page by the time it loads.
// Javascript will replace the options after location is available.
render('new-post', array(
'title' => 'New Post',
'micropub_endpoint' => $user->micropub_endpoint,
'micropub_media_endpoint' => $user->micropub_media_endpoint,
'token_scope' => $user->token_scope,
'access_token' => $user->access_token,
'response_date' => $user->last_micropub_response_date,
'location_enabled' => $user->location_enabled,
'default_options' => get_entry_options($user->id),
'tz_offset' => $tz_offset,
'date_str' => $date_str,
'time_str' => $time_str,
'enable_array_micropub' => $user->enable_array_micropub
));
}
});
$app->get('/settings', function() use($app) {
if($user=require_login($app)) {
render('settings', [
'title' => 'Settings',
]);
}
});
$app->post('/settings/device-code', function() use($app) {
if($user=require_login($app)) {
$code = mt_rand(100000,999999);
$user->device_code = $code;
$user->device_code_expires = date('Y-m-d H:i:s', time()+300);
$user->save();
$app->response()['Content-Type'] = 'application/json';
$app->response()->body(json_encode([
'code' => $code
]));
}
});
$app->post('/prefs/enable-h-food', function() use($app){
if($user=require_login($app)) {
$user->enable_array_micropub = 1;
$user->save();
}
$app->redirect('/new', 302);
});
$app->post('/prefs', function() use($app) {
if($user=require_login($app)) {
$params = $app->request()->params();
$user->location_enabled = $params['enabled'];
$user->save();
}
$app->response()->body(json_encode(array(
'result' => 'ok'
)));
});
$app->get('/creating-a-token-endpoint', function() use($app) {
$app->redirect('https://indieweb.org/token-endpoint', 301);
});
$app->get('/creating-a-micropub-endpoint', function() use($app) {
$app->redirect('https://indieweb.org/Micropub', 301);
});
$app->get('/docs', function() use($app) {
render('docs', array('title' => 'Documentation'));
});
$app->get('/privacy', function() use($app) {
render('privacy', array('title' => 'Privacy Policy'));
});
$app->get('/add-to-home', function() use($app) {
$params = $app->request()->params();
header("Cache-Control: no-cache, must-revalidate");
if(array_key_exists('token', $params) && !isset($_SESSION['add-to-home-started'])) {
// Verify the token and sign the user in
try {
$data = JWT::decode($params['token'], Config::$jwtSecret, ['HS256']);
$_SESSION['user_id'] = $data->user_id;
$_SESSION['me'] = $data->me;
$app->redirect('/new', 302);
} catch(DomainException $e) {
header('X-Error: DomainException');
$app->redirect('/?error=domain', 302);
} catch(SignatureInvalidException $e) {
header('X-Error: SignatureInvalidException');
$app->redirect('/?error=invalid', 302);
} catch(ErrorException $e) {
$app->redirect('/?error=unknown', 302);
}
} else {
if($user=require_login($app)) {
if(array_key_exists('start', $params)) {
$_SESSION['add-to-home-started'] = 1;
$token = JWT::encode(array(
'user_id' => $_SESSION['user_id'],
'me' => $_SESSION['me'],
'created_at' => time()
), Config::$jwtSecret);
$app->redirect('/add-to-home?token='.$token, 302);
} else {
unset($_SESSION['add-to-home-started']);
render('add-to-home', array('title' => 'Teacup'));
}
}
}
});
$app->post('/post', function() use($app) {
if($user=require_login($app)) {
$params = $app->request()->params();
// Remove any blank params
$params = array_filter($params, function($v){
return $v !== '';
});
// Store the post in the database
$entry = ORM::for_table('entries')->create();
$entry->user_id = $user->id;
$location = false;
if(k($params, 'location') && $location=parse_geo_uri($params['location'])) {
$entry->latitude = $location['latitude'];
$entry->longitude = $location['longitude'];
}
if(k($params,'note_date')) {
// The post request is always going to have a date now
$date_string = $params['note_date'] . 'T' . $params['note_time'] . $params['note_tzoffset'];
$entry->published = date('Y-m-d H:i:s', strtotime($date_string));
$entry->tz_offset = tz_offset_to_seconds($params['note_tzoffset']);
$published = $date_string;
} else {
// Pebble doesn't send the date/time/timezone
$entry->published = date('Y-m-d H:i:s');
$published = date('c'); // for the micropub post
if($location && ($timezone=get_timezone($location['latitude'], $location['longitude']))) {
$entry->timezone = $timezone->getName();
$entry->tz_offset = $timezone->getOffset(new DateTime());
$now = new DateTime();
$now->setTimeZone(new DateTimeZone($entry->timezone));
$published = $now->format('c');
}
}
if(k($params, 'drank')) {
$entry->content = trim($params['drank']);
$type = 'drink';
$verb = 'drank';
} elseif(k($params, 'drink')) {
$entry->content = trim($params['drink']);
$type = 'drink';
$verb = 'drank';
} elseif(k($params, 'eat')) {
$entry->content = trim($params['eat']);
$type = 'eat';
$verb = 'ate';
} elseif(k($params, 'custom_drink')) {
$entry->content = trim($params['custom_drink']);
$type = 'drink';
$verb = 'drank';
} elseif(k($params, 'custom_eat')) {
$entry->content = trim($params['custom_eat']);
$type = 'eat';
$verb = 'ate';
}
if($user->micropub_media_endpoint && k($params, 'note_photo')) {
$entry->photo_url = $params['note_photo'];
}
$entry->type = $type;
$entry->save();
// Send to the micropub endpoint if one is defined, and store the result
$url = false;
if($user->micropub_endpoint) {
$text_content = 'Just ' . $verb . ': ' . $entry->content;
$mp_properties = array(
'published' => [$published],
'created' => [$published],
'summary' => [$text_content]
);
$location = k($params, 'location');
if($location) {
$mp_properties['location'] = [$location];
}
if($entry->photo_url) {
$mp_properties['photo'] = [$entry->photo_url];
}
$mp_properties[$verb] = [[
'type' => ['h-food'],
'properties' => [
'name' => $entry->content
]
]];
$mp_request = array(
'type' => ['h-entry'],
'properties' => $mp_properties
);
$r = micropub_post($user->micropub_endpoint, $mp_request, $user->access_token);
$request = $r['request'];
$response = $r['response'];
$entry->micropub_response = $response;
// Check the response and look for a "Location" header containing the URL
if($response && preg_match('/Location: (.+)/', $response, $match)) {
$url = $match[1];
$user->micropub_success = 1;
$entry->micropub_success = 1;
$entry->canonical_url = $url;
} else {
$entry->micropub_success = 0;
}
$entry->save();
}
if($url) {
$app->redirect($url);
} else {
// TODO: Redirect to an error page or show an error on the teacup post page
$url = Config::$base_url . $user->url . '/' . $entry->id;
$app->redirect($url);
}
}
});
$app->post('/micropub/media', function() use($app) {
if($user=require_login($app)) {
$file = isset($_FILES['file']) ? $_FILES['file'] : null;
$error = validate_photo($file);
unset($_POST['null']);
if(!$error) {
$file_path = $file['tmp_name'];
correct_photo_rotation($file_path);
$r = micropub_media_post($user->micropub_media_endpoint, $user->access_token, $file_path);
} else {
$r = array('error' => $error);
}
$response = $r['response'];
$url = null;
if($response && preg_match('/Location: (.+)/', $response, $match)) {
$url = trim($match[1]);
} else {
$r['error'] = "No 'Location' header in response.";
$r['debug'] = $response;
}
$app->response()['Content-type'] = 'application/json';
$app->response()->body(json_encode(array(
'location' => $url,
'error' => (isset($r['error']) ? $r['error'] : null),
'debug' => (isset($r['debug']) ? $r['debug'] : null),
)));
}
});
$app->get('/micropub/config', function() use($app) {
if($user=require_login($app)) {
$config = get_micropub_config($user);
$app->response()['Content-type'] = 'application/json';
$app->response()->body(json_encode($config));
}
});
$app->get('/options.json', function() use($app) {
if($user=require_login($app)) {
$params = $app->request()->params();
$options = get_entry_options($user->id, k($params,'latitude'), k($params,'longitude'));
$html = partial('partials/entry-buttons', ['options'=>$options]);
$app->response()['Content-type'] = 'application/json';
$app->response()->body(json_encode([
'buttons'=>$html
]));
}
});
$app->get('/map.png', function() use($app) {
$url = static_map_service($_SERVER['QUERY_STRING']);
$ch = curl_init($url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$img = curl_exec($ch);
header('Expires: ' . gmdate('D, d M Y H:i:s', strtotime('+30 days')) . ' GMT');
header('Pragma: cache');
header('Cache-Control: private');
$app->response()['Content-type'] = 'image/png';
$app->response()->body($img);
});
$app->get('/:domain', function($domain) use($app) {
$params = $app->request()->params();
$user = ORM::for_table('users')->where('url', $domain)->find_one();
if(!$user) {
$app->notFound();
return;
}
$per_page = 10;
$entries = ORM::for_table('entries')->where('user_id', $user->id);
if(array_key_exists('before', $params)) {
$entries->where_lte('id', $params['before']);
}
$entries = $entries->limit($per_page)->order_by_desc('published')->find_many();
if(count($entries) > 1) {
$older = ORM::for_table('entries')->where('user_id', $user->id)
->where_lt('id', $entries[count($entries)-1]->id)->order_by_desc('published')->find_one();
} else {
$older = null;
}
if(count($entries) > 1) {
$newer = ORM::for_table('entries')->where('user_id', $user->id)
->where_gte('id', $entries[0]->id)->order_by_asc('published')->offset($per_page)->find_one();
} else {
$newer = null;
}
if(!$newer) {
// no new entry was found at the specific offset, so find the newest post to link to instead
$newer = ORM::for_table('entries')->where('user_id', $user->id)
->order_by_desc('published')->limit(1)->find_one();
if($newer && $newer->id == $entries[0]->id)
$newer = false;
}
render('entries', array(
'title' => 'Teacup',
'entries' => $entries,
'user' => $user,
'older' => ($older ? $older->id : false),
'newer' => ($newer ? $newer->id : false)
));
})->conditions(array(
'domain' => '[a-zA-Z0-9\.-]+\.[a-z]+'
));
$app->get('/:domain/:entry', function($domain, $entry_id) use($app) {
$user = ORM::for_table('users')->where('url', $domain)->find_one();
if(!$user) {
$app->notFound();
return;
}
$entry = ORM::for_table('entries')->where('user_id', $user->id)->where('id', $entry_id)->find_one();
if(!$entry) {
$app->notFound();
return;
}
render('entry', array(
'title' => 'Teacup',
'entry' => $entry,
'user' => $user
));
})->conditions(array(
'domain' => '[a-zA-Z0-9\.-]+\.[a-z]+',
'entry' => '\d+'
));