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\Module\BaseProfile;
  23 use Friendica\Util\DateTimeFormat;
  24 use Friendica\Util\Temporal;
  25
  26 function cal_init(App $a)
  27 {
  28         if (DI::config()->get('system', 'block_public') && !Session::isAuthenticated()) {
  29                 throw new \Friendica\Network\HTTPException\ForbiddenException(DI::l10n()->t('Access denied.'));
  30         }
  31
  32         if ($a->argc < 2) {
  33                 throw new \Friendica\Network\HTTPException\ForbiddenException(DI::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         $owner_uid = intval($a->data['user']['uid']);
 106         $nick = $a->data['user']['nickname'];
 107
 108         $contact_id = Session::getRemoteContactID($a->profile['uid']);
 109
 110         $remote_contact = $contact_id && DBA::exists('contact', ['id' => $contact_id, 'uid' => $a->profile['uid']]);
 111
 112         $is_owner = local_user() == $a->profile['uid'];
 113
 114         if ($a->profile['hidewall'] && !$is_owner && !$remote_contact) {
 115                 notice(DI::l10n()->t('Access to this profile has been restricted.') . EOL);
 116                 return;
 117         }
 118
 119         // get the permissions
 120         $sql_perms = Item::getPermissionsSQLByUserId($owner_uid);
 121         // we only want to have the events of the profile owner
 122         $sql_extra = " AND `event`.`cid` = 0 " . $sql_perms;
 123
 124         // get the tab navigation bar
 125         $tabs = BaseProfile::getTabsHTML($a, 'cal', false, $a->data['user']['nickname']);
 126
 127         // The view mode part is similiar to /mod/events.php
 128         if ($mode == 'view') {
 129                 $thisyear = DateTimeFormat::localNow('Y');
 130                 $thismonth = DateTimeFormat::localNow('m');
 131                 if (!$y) {
 132                         $y = intval($thisyear);
 133                 }
 134
 135                 if (!$m) {
 136                         $m = intval($thismonth);
 137                 }
 138
 139                 // Put some limits on dates. The PHP date functions don't seem to do so well before 1900.
 140                 // An upper limit was chosen to keep search engines from exploring links millions of years in the future.
 141
 142                 if ($y < 1901) {
 143                         $y = 1900;
 144                 }
 145
 146                 if ($y > 2099) {
 147                         $y = 2100;
 148                 }
 149
 150                 $nextyear = $y;
 151                 $nextmonth = $m + 1;
 152                 if ($nextmonth > 12) {
 153                         $nextmonth = 1;
 154                         $nextyear ++;
 155                 }
 156
 157                 $prevyear = $y;
 158                 if ($m > 1) {
 159                         $prevmonth = $m - 1;
 160                 } else {
 161                         $prevmonth = 12;
 162                         $prevyear --;
 163                 }
 164
 165                 $dim = Temporal::getDaysInMonth($y, $m);
 166                 $start = sprintf('%d-%d-%d %d:%d:%d', $y, $m, 1, 0, 0, 0);
 167                 $finish = sprintf('%d-%d-%d %d:%d:%d', $y, $m, $dim, 23, 59, 59);
 168
 169
 170                 if (!empty($a->argv[2]) && ($a->argv[2] === 'json')) {
 171                         if (!empty($_GET['start'])) {
 172                                 $start = $_GET['start'];
 173                         }
 174
 175                         if (!empty($_GET['end'])) {
 176                                 $finish = $_GET['end'];
 177                         }
 178                 }
 179
 180                 $start = DateTimeFormat::utc($start);
 181                 $finish = DateTimeFormat::utc($finish);
 182
 183                 $adjust_start = DateTimeFormat::local($start);
 184                 $adjust_finish = DateTimeFormat::local($finish);
 185
 186                 // put the event parametes in an array so we can better transmit them
 187                 $event_params = [
 188                         'event_id'      => intval($_GET['id'] ?? 0),
 189                         'start'         => $start,
 190                         'finish'        => $finish,
 191                         'adjust_start'  => $adjust_start,
 192                         'adjust_finish' => $adjust_finish,
 193                         'ignore'        => $ignored,
 194                 ];
 195
 196                 // get events by id or by date
 197                 if ($event_params['event_id']) {
 198                         $r = Event::getListById($owner_uid, $event_params['event_id'], $sql_extra);
 199                 } else {
 200                         $r = Event::getListByDate($owner_uid, $event_params, $sql_extra);
 201                 }
 202
 203                 $links = [];
 204
 205                 if (DBA::isResult($r)) {
 206                         $r = Event::sortByDate($r);
 207                         foreach ($r as $rr) {
 208                                 $j = $rr['adjust'] ? DateTimeFormat::local($rr['start'], 'j') : DateTimeFormat::utc($rr['start'], 'j');
 209                                 if (empty($links[$j])) {
 210                                         $links[$j] = DI::baseUrl() . '/' . DI::args()->getCommand() . '#link-' . $j;
 211                                 }
 212                         }
 213                 }
 214
 215                 // transform the event in a usable array
 216                 $events = Event::prepareListForTemplate($r);
 217
 218                 if (!empty($a->argv[2]) && ($a->argv[2] === 'json')) {
 219                         echo json_encode($events);
 220                         exit();
 221                 }
 222
 223                 // links: array('href', 'text', 'extra css classes', 'title')
 224                 if (!empty($_GET['id'])) {
 225                         $tpl = Renderer::getMarkupTemplate("event.tpl");
 226                 } else {
 227 //                      if (DI::config()->get('experimentals','new_calendar')==1){
 228                         $tpl = Renderer::getMarkupTemplate("events_js.tpl");
 229 //                      } else {
 230 //                              $tpl = Renderer::getMarkupTemplate("events.tpl");
 231 //                      }
 232                 }
 233
 234                 // Get rid of dashes in key names, Smarty3 can't handle them
 235                 foreach ($events as $key => $event) {
 236                         $event_item = [];
 237                         foreach ($event['item'] as $k => $v) {
 238                                 $k = str_replace('-', '_', $k);
 239                                 $event_item[$k] = $v;
 240                         }
 241                         $events[$key]['item'] = $event_item;
 242                 }
 243
 244                 $o = Renderer::replaceMacros($tpl, [
 245                         '$tabs' => $tabs,
 246                         '$title' => DI::l10n()->t('Events'),
 247                         '$view' => DI::l10n()->t('View'),
 248                         '$previous' => [DI::baseUrl() . "/events/$prevyear/$prevmonth", DI::l10n()->t('Previous'), '', ''],
 249                         '$next' => [DI::baseUrl() . "/events/$nextyear/$nextmonth", DI::l10n()->t('Next'), '', ''],
 250                         '$calendar' => Temporal::getCalendarTable($y, $m, $links, ' eventcal'),
 251                         '$events' => $events,
 252                         "today" => DI::l10n()->t("today"),
 253                         "month" => DI::l10n()->t("month"),
 254                         "week" => DI::l10n()->t("week"),
 255                         "day" => DI::l10n()->t("day"),
 256                         "list" => DI::l10n()->t("list"),
 257                 ]);
 258
 259                 if (!empty($_GET['id'])) {
 260                         echo $o;
 261                         exit();
 262                 }
 263
 264                 return $o;
 265         }
 266
 267         if ($mode == 'export') {
 268                 if (!$owner_uid) {
 269                         notice(DI::l10n()->t('User not found'));
 270                         return;
 271                 }
 272
 273                 // Test permissions
 274                 // Respect the export feature setting for all other /cal pages if it's not the own profile
 275                 if ((local_user() !== $owner_uid) && !Feature::isEnabled($owner_uid, "export_calendar")) {
 276                         notice(DI::l10n()->t('Permission denied.') . EOL);
 277                         DI::baseUrl()->redirect('cal/' . $nick);
 278                 }
 279
 280                 // Get the export data by uid
 281                 $evexport = Event::exportListByUserId($owner_uid, $format);
 282
 283                 if (!$evexport["success"]) {
 284                         if ($evexport["content"]) {
 285                                 notice(DI::l10n()->t('This calendar format is not supported'));
 286                         } else {
 287                                 notice(DI::l10n()->t('No exportable data found'));
 288                         }
 289
 290                         // If it the own calendar return to the events page
 291                         // otherwise to the profile calendar page
 292                         if (local_user() === $owner_uid) {
 293                                 $return_path = "events";
 294                         } else {
 295                                 $return_path = "cal/" . $nick;
 296                         }
 297
 298                         DI::baseUrl()->redirect($return_path);
 299                 }
 300
 301                 // If nothing went wrong we can echo the export content
 302                 if ($evexport["success"]) {
 303                         header('Content-type: text/calendar');
 304                         header('content-disposition: attachment; filename="' . DI::l10n()->t('calendar') . '-' . $nick . '.' . $evexport["extension"] . '"');
 305                         echo $evexport["content"];
 306                         exit();
 307                 }
 308
 309                 return;
 310         }
 311 }