mod/cal.php

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