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