mod/cal.php

   1 <?php
   2 /**
   3  * @file mod/cal.php
   4  * The calendar module
   5  *
   6  * This calendar is for profile visitors and contains only the events
   7  * of the profile owner
   8  */
   9
  10 use Friendica\App;
  11 use Friendica\Content\Feature;
  12 use Friendica\Content\Nav;
  13 use Friendica\Content\Widget;
  14 use Friendica\Core\Config;
  15 use Friendica\Core\L10n;
  16 use Friendica\Core\Renderer;
  17 use Friendica\Core\Session;
  18 use Friendica\Database\DBA;
  19 use Friendica\DI;
  20 use Friendica\Model\Contact;
  21 use Friendica\Model\Event;
  22 use Friendica\Model\Item;
  23 use Friendica\Model\Profile;
  24 use Friendica\Util\DateTimeFormat;
  25 use Friendica\Util\Temporal;
  26
  27 function cal_init(App $a)
  28 {
  29         if (Config::get('system', 'block_public') && !Session::isAuthenticated()) {
  30                 throw new \Friendica\Network\HTTPException\ForbiddenException(DI::l10n()->t('Access denied.'));
  31         }
  32
  33         if ($a->argc < 2) {
  34                 throw new \Friendica\Network\HTTPException\ForbiddenException(DI::l10n()->t('Access denied.'));
  35         }
  36
  37         Nav::setSelected('events');
  38
  39         $nick = $a->argv[1];
  40         $user = DBA::selectFirst('user', [], ['nickname' => $nick, 'blocked' => false]);
  41         if (!DBA::isResult($user)) {
  42                 throw new \Friendica\Network\HTTPException\NotFoundException();
  43         }
  44
  45         $a->data['user'] = $user;
  46         $a->profile_uid = $user['uid'];
  47
  48         // if it's a json request abort here becaus we don't
  49         // need the widget data
  50         if (!empty($a->argv[2]) && ($a->argv[2] === 'json')) {
  51                 return;
  52         }
  53
  54         $profile = Profile::getByNickname($nick, $a->profile_uid);
  55
  56         $account_type = Contact::getAccountType($profile);
  57
  58         $tpl = Renderer::getMarkupTemplate("widget/vcard.tpl");
  59
  60         $vcard_widget = Renderer::replaceMacros($tpl, [
  61                 '$name' => $profile['name'],
  62                 '$photo' => $profile['photo'],
  63                 '$addr' => (($profile['addr'] != "") ? $profile['addr'] : ""),
  64                 '$account_type' => $account_type,
  65                 '$pdesc' => (($profile['pdesc'] != "") ? $profile['pdesc'] : ""),
  66         ]);
  67
  68         $cal_widget = Widget\CalendarExport::getHTML();
  69
  70         if (empty(DI::page()['aside'])) {
  71                 DI::page()['aside'] = '';
  72         }
  73
  74         DI::page()['aside'] .= $vcard_widget;
  75         DI::page()['aside'] .= $cal_widget;
  76
  77         return;
  78 }
  79
  80 function cal_content(App $a)
  81 {
  82         Nav::setSelected('events');
  83
  84         // get the translation strings for the callendar
  85         $i18n = Event::getStrings();
  86
  87         $htpl = Renderer::getMarkupTemplate('event_head.tpl');
  88         DI::page()['htmlhead'] .= Renderer::replaceMacros($htpl, [
  89                 '$module_url' => '/cal/' . $a->data['user']['nickname'],
  90                 '$modparams' => 2,
  91                 '$i18n' => $i18n,
  92         ]);
  93
  94         $mode = 'view';
  95         $y = 0;
  96         $m = 0;
  97         $ignored = (!empty($_REQUEST['ignored']) ? intval($_REQUEST['ignored']) : 0);
  98
  99         $format = 'ical';
 100         if ($a->argc == 4 && $a->argv[2] == 'export') {
 101                 $mode = 'export';
 102                 $format = $a->argv[3];
 103         }
 104
 105         // Setup permissions structures
 106         $remote_contact = false;
 107         $contact_id = 0;
 108
 109         $owner_uid = intval($a->data['user']['uid']);
 110         $nick = $a->data['user']['nickname'];
 111
 112         if (!empty(Session::getRemoteContactID($a->profile['profile_uid']))) {
 113                 $contact_id = Session::getRemoteContactID($a->profile['profile_uid']);
 114         }
 115
 116         if ($contact_id) {
 117                 $r = q("SELECT * FROM `contact` WHERE `id` = %d AND `uid` = %d LIMIT 1",
 118                         intval($contact_id),
 119                         intval($a->profile['profile_uid'])
 120                 );
 121                 if (DBA::isResult($r)) {
 122                         $remote_contact = true;
 123                 }
 124         }
 125
 126         $is_owner = local_user() == $a->profile['profile_uid'];
 127
 128         if ($a->profile['hidewall'] && !$is_owner && !$remote_contact) {
 129                 notice(DI::l10n()->t('Access to this profile has been restricted.') . EOL);
 130                 return;
 131         }
 132
 133         // get the permissions
 134         $sql_perms = Item::getPermissionsSQLByUserId($owner_uid);
 135         // we only want to have the events of the profile owner
 136         $sql_extra = " AND `event`.`cid` = 0 " . $sql_perms;
 137
 138         // get the tab navigation bar
 139         $tabs = Profile::getTabs($a, 'cal', false, $a->data['user']['nickname']);
 140
 141         // The view mode part is similiar to /mod/events.php
 142         if ($mode == 'view') {
 143                 $thisyear = DateTimeFormat::localNow('Y');
 144                 $thismonth = DateTimeFormat::localNow('m');
 145                 if (!$y) {
 146                         $y = intval($thisyear);
 147                 }
 148
 149                 if (!$m) {
 150                         $m = intval($thismonth);
 151                 }
 152
 153                 // Put some limits on dates. The PHP date functions don't seem to do so well before 1900.
 154                 // An upper limit was chosen to keep search engines from exploring links millions of years in the future.
 155
 156                 if ($y < 1901) {
 157                         $y = 1900;
 158                 }
 159
 160                 if ($y > 2099) {
 161                         $y = 2100;
 162                 }
 163
 164                 $nextyear = $y;
 165                 $nextmonth = $m + 1;
 166                 if ($nextmonth > 12) {
 167                         $nextmonth = 1;
 168                         $nextyear ++;
 169                 }
 170
 171                 $prevyear = $y;
 172                 if ($m > 1) {
 173                         $prevmonth = $m - 1;
 174                 } else {
 175                         $prevmonth = 12;
 176                         $prevyear --;
 177                 }
 178
 179                 $dim = Temporal::getDaysInMonth($y, $m);
 180                 $start = sprintf('%d-%d-%d %d:%d:%d', $y, $m, 1, 0, 0, 0);
 181                 $finish = sprintf('%d-%d-%d %d:%d:%d', $y, $m, $dim, 23, 59, 59);
 182
 183
 184                 if (!empty($a->argv[2]) && ($a->argv[2] === 'json')) {
 185                         if (!empty($_GET['start'])) {
 186                                 $start = $_GET['start'];
 187                         }
 188
 189                         if (!empty($_GET['end'])) {
 190                                 $finish = $_GET['end'];
 191                         }
 192                 }
 193
 194                 $start = DateTimeFormat::utc($start);
 195                 $finish = DateTimeFormat::utc($finish);
 196
 197                 $adjust_start = DateTimeFormat::local($start);
 198                 $adjust_finish = DateTimeFormat::local($finish);
 199
 200                 // put the event parametes in an array so we can better transmit them
 201                 $event_params = [
 202                         'event_id'      => intval($_GET['id'] ?? 0),
 203                         'start'         => $start,
 204                         'finish'        => $finish,
 205                         'adjust_start'  => $adjust_start,
 206                         'adjust_finish' => $adjust_finish,
 207                         'ignore'        => $ignored,
 208                 ];
 209
 210                 // get events by id or by date
 211                 if ($event_params['event_id']) {
 212                         $r = Event::getListById($owner_uid, $event_params['event_id'], $sql_extra);
 213                 } else {
 214                         $r = Event::getListByDate($owner_uid, $event_params, $sql_extra);
 215                 }
 216
 217                 $links = [];
 218
 219                 if (DBA::isResult($r)) {
 220                         $r = Event::sortByDate($r);
 221                         foreach ($r as $rr) {
 222                                 $j = $rr['adjust'] ? DateTimeFormat::local($rr['start'], 'j') : DateTimeFormat::utc($rr['start'], 'j');
 223                                 if (empty($links[$j])) {
 224                                         $links[$j] = DI::baseUrl() . '/' . DI::args()->getCommand() . '#link-' . $j;
 225                                 }
 226                         }
 227                 }
 228
 229                 // transform the event in a usable array
 230                 $events = Event::prepareListForTemplate($r);
 231
 232                 if (!empty($a->argv[2]) && ($a->argv[2] === 'json')) {
 233                         echo json_encode($events);
 234                         exit();
 235                 }
 236
 237                 // links: array('href', 'text', 'extra css classes', 'title')
 238                 if (!empty($_GET['id'])) {
 239                         $tpl = Renderer::getMarkupTemplate("event.tpl");
 240                 } else {
 241 //                      if (Config::get('experimentals','new_calendar')==1){
 242                         $tpl = Renderer::getMarkupTemplate("events_js.tpl");
 243 //                      } else {
 244 //                              $tpl = Renderer::getMarkupTemplate("events.tpl");
 245 //                      }
 246                 }
 247
 248                 // Get rid of dashes in key names, Smarty3 can't handle them
 249                 foreach ($events as $key => $event) {
 250                         $event_item = [];
 251                         foreach ($event['item'] as $k => $v) {
 252                                 $k = str_replace('-', '_', $k);
 253                                 $event_item[$k] = $v;
 254                         }
 255                         $events[$key]['item'] = $event_item;
 256                 }
 257
 258                 $o = Renderer::replaceMacros($tpl, [
 259                         '$tabs' => $tabs,
 260                         '$title' => DI::l10n()->t('Events'),
 261                         '$view' => DI::l10n()->t('View'),
 262                         '$previous' => [DI::baseUrl() . "/events/$prevyear/$prevmonth", DI::l10n()->t('Previous'), '', ''],
 263                         '$next' => [DI::baseUrl() . "/events/$nextyear/$nextmonth", DI::l10n()->t('Next'), '', ''],
 264                         '$calendar' => Temporal::getCalendarTable($y, $m, $links, ' eventcal'),
 265                         '$events' => $events,
 266                         "today" => DI::l10n()->t("today"),
 267                         "month" => DI::l10n()->t("month"),
 268                         "week" => DI::l10n()->t("week"),
 269                         "day" => DI::l10n()->t("day"),
 270                         "list" => DI::l10n()->t("list"),
 271                 ]);
 272
 273                 if (!empty($_GET['id'])) {
 274                         echo $o;
 275                         exit();
 276                 }
 277
 278                 return $o;
 279         }
 280
 281         if ($mode == 'export') {
 282                 if (!$owner_uid) {
 283                         notice(DI::l10n()->t('User not found'));
 284                         return;
 285                 }
 286
 287                 // Test permissions
 288                 // Respect the export feature setting for all other /cal pages if it's not the own profile
 289                 if ((local_user() !== $owner_uid) && !Feature::isEnabled($owner_uid, "export_calendar")) {
 290                         notice(DI::l10n()->t('Permission denied.') . EOL);
 291                         DI::baseUrl()->redirect('cal/' . $nick);
 292                 }
 293
 294                 // Get the export data by uid
 295                 $evexport = Event::exportListByUserId($owner_uid, $format);
 296
 297                 if (!$evexport["success"]) {
 298                         if ($evexport["content"]) {
 299                                 notice(DI::l10n()->t('This calendar format is not supported'));
 300                         } else {
 301                                 notice(DI::l10n()->t('No exportable data found'));
 302                         }
 303
 304                         // If it the own calendar return to the events page
 305                         // otherwise to the profile calendar page
 306                         if (local_user() === $owner_uid) {
 307                                 $return_path = "events";
 308                         } else {
 309                                 $return_path = "cal/" . $nick;
 310                         }
 311
 312                         DI::baseUrl()->redirect($return_path);
 313                 }
 314
 315                 // If nothing went wrong we can echo the export content
 316                 if ($evexport["success"]) {
 317                         header('Content-type: text/calendar');
 318                         header('content-disposition: attachment; filename="' . DI::l10n()->t('calendar') . '-' . $nick . '.' . $evexport["extension"] . '"');
 319                         echo $evexport["content"];
 320                         exit();
 321                 }
 322
 323                 return;
 324         }
 325 }