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\System;
  16 use Friendica\Database\DBA;
  17 use Friendica\Model\Contact;
  18 use Friendica\Model\Event;
  19 use Friendica\Model\Group;
  20 use Friendica\Model\Profile;
  21 use Friendica\Protocol\DFRN;
  22 use Friendica\Util\DateTimeFormat;
  23 use Friendica\Util\Temporal;
  24
  25 function cal_init(App $a)
  26 {
  27         if ($a->argc > 1) {
  28                 DFRN::autoRedir($a, $a->argv[1]);
  29         }
  30
  31         if (Config::get('system', 'block_public') && !local_user() && !remote_user()) {
  32                 System::httpExit(403, ['title' => L10n::t('Access denied.')]);
  33         }
  34
  35         if ($a->argc < 2) {
  36                 System::httpExit(403, ['title' => L10n::t('Access denied.')]);
  37         }
  38
  39         Nav::setSelected('events');
  40
  41         $nick = $a->argv[1];
  42         $user = DBA::selectFirst('user', [], ['nickname' => $nick, 'blocked' => false]);
  43         if (!DBA::isResult($user)) {
  44                 System::httpExit(404, ['title' => L10n::t('Page not found.')]);
  45         }
  46
  47         $a->data['user'] = $user;
  48         $a->profile_uid = $user['uid'];
  49
  50         // if it's a json request abort here becaus we don't
  51         // need the widget data
  52         if (!empty($a->argv[2]) && ($a->argv[2] === 'json')) {
  53                 return;
  54         }
  55
  56         $profile = Profile::getByNickname($nick, $a->profile_uid);
  57
  58         $account_type = Contact::getAccountType($profile);
  59
  60         $tpl = get_markup_template("vcard-widget.tpl");
  61
  62         $vcard_widget = replace_macros($tpl, [
  63                 '$name' => $profile['name'],
  64                 '$photo' => $profile['photo'],
  65                 '$addr' => (($profile['addr'] != "") ? $profile['addr'] : ""),
  66                 '$account_type' => $account_type,
  67                 '$pdesc' => (($profile['pdesc'] != "") ? $profile['pdesc'] : ""),
  68         ]);
  69
  70         $cal_widget = Widget\CalendarExport::getHTML();
  71
  72         if (!x($a->page, 'aside')) {
  73                 $a->page['aside'] = '';
  74         }
  75
  76         $a->page['aside'] .= $vcard_widget;
  77         $a->page['aside'] .= $cal_widget;
  78
  79         return;
  80 }
  81
  82 function cal_content(App $a)
  83 {
  84         Nav::setSelected('events');
  85
  86         // get the translation strings for the callendar
  87         $i18n = Event::getStrings();
  88
  89         $htpl = get_markup_template('event_head.tpl');
  90         $a->page['htmlhead'] .= replace_macros($htpl, [
  91                 '$baseurl' => System::baseUrl(),
  92                 '$module_url' => '/cal/' . $a->data['user']['nickname'],
  93                 '$modparams' => 2,
  94                 '$i18n' => $i18n,
  95         ]);
  96
  97         $etpl = get_markup_template('event_end.tpl');
  98         $a->page['end'] .= replace_macros($etpl, [
  99                 '$baseurl' => System::baseUrl(),
 100         ]);
 101
 102         $mode = 'view';
 103         $y = 0;
 104         $m = 0;
 105         $ignored = (x($_REQUEST, 'ignored') ? intval($_REQUEST['ignored']) : 0);
 106
 107         $format = 'ical';
 108         if ($a->argc == 4 && $a->argv[2] == 'export') {
 109                 $mode = 'export';
 110                 $format = $a->argv[3];
 111         }
 112
 113         // Setup permissions structures
 114         $remote_contact = false;
 115         $contact_id = 0;
 116
 117         $owner_uid = $a->data['user']['uid'];
 118         $nick = $a->data['user']['nickname'];
 119
 120         if (x($_SESSION, 'remote') && is_array($_SESSION['remote'])) {
 121                 foreach ($_SESSION['remote'] as $v) {
 122                         if ($v['uid'] == $a->profile['profile_uid']) {
 123                                 $contact_id = $v['cid'];
 124                                 break;
 125                         }
 126                 }
 127         }
 128
 129         $groups = [];
 130         if ($contact_id) {
 131                 $groups = Group::getIdsByContactId($contact_id);
 132                 $r = q("SELECT * FROM `contact` WHERE `id` = %d AND `uid` = %d LIMIT 1",
 133                         intval($contact_id),
 134                         intval($a->profile['profile_uid'])
 135                 );
 136                 if (DBA::isResult($r)) {
 137                         $remote_contact = true;
 138                 }
 139         }
 140
 141         $is_owner = local_user() == $a->profile['profile_uid'];
 142
 143         if ($a->profile['hidewall'] && !$is_owner && !$remote_contact) {
 144                 notice(L10n::t('Access to this profile has been restricted.') . EOL);
 145                 return;
 146         }
 147
 148         // get the permissions
 149         $sql_perms = item_permissions_sql($owner_uid, $remote_contact, $groups);
 150         // we only want to have the events of the profile owner
 151         $sql_extra = " AND `event`.`cid` = 0 " . $sql_perms;
 152
 153         // get the tab navigation bar
 154         $tabs = Profile::getTabs($a, false, $a->data['user']['nickname']);
 155
 156         // The view mode part is similiar to /mod/events.php
 157         if ($mode == 'view') {
 158                 $thisyear = DateTimeFormat::localNow('Y');
 159                 $thismonth = DateTimeFormat::localNow('m');
 160                 if (!$y) {
 161                         $y = intval($thisyear);
 162                 }
 163
 164                 if (!$m) {
 165                         $m = intval($thismonth);
 166                 }
 167
 168                 // Put some limits on dates. The PHP date functions don't seem to do so well before 1900.
 169                 // An upper limit was chosen to keep search engines from exploring links millions of years in the future.
 170
 171                 if ($y < 1901) {
 172                         $y = 1900;
 173                 }
 174
 175                 if ($y > 2099) {
 176                         $y = 2100;
 177                 }
 178
 179                 $nextyear = $y;
 180                 $nextmonth = $m + 1;
 181                 if ($nextmonth > 12) {
 182                         $nextmonth = 1;
 183                         $nextyear ++;
 184                 }
 185
 186                 $prevyear = $y;
 187                 if ($m > 1) {
 188                         $prevmonth = $m - 1;
 189                 } else {
 190                         $prevmonth = 12;
 191                         $prevyear --;
 192                 }
 193
 194                 $dim = Temporal::getDaysInMonth($y, $m);
 195                 $start = sprintf('%d-%d-%d %d:%d:%d', $y, $m, 1, 0, 0, 0);
 196                 $finish = sprintf('%d-%d-%d %d:%d:%d', $y, $m, $dim, 23, 59, 59);
 197
 198
 199                 if (!empty($a->argv[2]) && ($a->argv[2] === 'json')) {
 200                         if (x($_GET, 'start')) {
 201                                 $start = $_GET['start'];
 202                         }
 203
 204                         if (x($_GET, 'end')) {
 205                                 $finish = $_GET['end'];
 206                         }
 207                 }
 208
 209                 $start = DateTimeFormat::utc($start);
 210                 $finish = DateTimeFormat::utc($finish);
 211
 212                 $adjust_start = DateTimeFormat::local($start);
 213                 $adjust_finish = DateTimeFormat::local($finish);
 214
 215                 // put the event parametes in an array so we can better transmit them
 216                 $event_params = [
 217                         'event_id'      => intval(defaults($_GET, 'id', 0)),
 218                         'start'         => $start,
 219                         'finish'        => $finish,
 220                         'adjust_start'  => $adjust_start,
 221                         'adjust_finish' => $adjust_finish,
 222                         'ignore'        => $ignored,
 223                 ];
 224
 225                 // get events by id or by date
 226                 if ($event_params['event_id']) {
 227                         $r = Event::getListById($owner_uid, $event_params['event_id'], $sql_extra);
 228                 } else {
 229                         $r = Event::getListByDate($owner_uid, $event_params, $sql_extra);
 230                 }
 231
 232                 $links = [];
 233
 234                 if (DBA::isResult($r)) {
 235                         $r = Event::sortByDate($r);
 236                         foreach ($r as $rr) {
 237                                 $j = $rr['adjust'] ? DateTimeFormat::local($rr['start'], 'j') : DateTimeFormat::utc($rr['start'], 'j');
 238                                 if (!x($links, $j)) {
 239                                         $links[$j] = System::baseUrl() . '/' . $a->cmd . '#link-' . $j;
 240                                 }
 241                         }
 242                 }
 243
 244                 // transform the event in a usable array
 245                 $events = Event::prepareListForTemplate($r);
 246
 247                 if (!empty($a->argv[2]) && ($a->argv[2] === 'json')) {
 248                         echo json_encode($events);
 249                         killme();
 250                 }
 251
 252                 // links: array('href', 'text', 'extra css classes', 'title')
 253                 if (x($_GET, 'id')) {
 254                         $tpl = get_markup_template("event.tpl");
 255                 } else {
 256 //                      if (Config::get('experimentals','new_calendar')==1){
 257                         $tpl = get_markup_template("events_js.tpl");
 258 //                      } else {
 259 //                              $tpl = get_markup_template("events.tpl");
 260 //                      }
 261                 }
 262
 263                 // Get rid of dashes in key names, Smarty3 can't handle them
 264                 foreach ($events as $key => $event) {
 265                         $event_item = [];
 266                         foreach ($event['item'] as $k => $v) {
 267                                 $k = str_replace('-', '_', $k);
 268                                 $event_item[$k] = $v;
 269                         }
 270                         $events[$key]['item'] = $event_item;
 271                 }
 272
 273                 $o = replace_macros($tpl, [
 274                         '$baseurl' => System::baseUrl(),
 275                         '$tabs' => $tabs,
 276                         '$title' => L10n::t('Events'),
 277                         '$view' => L10n::t('View'),
 278                         '$previous' => [System::baseUrl() . "/events/$prevyear/$prevmonth", L10n::t('Previous'), '', ''],
 279                         '$next' => [System::baseUrl() . "/events/$nextyear/$nextmonth", L10n::t('Next'), '', ''],
 280                         '$calendar' => Temporal::getCalendarTable($y, $m, $links, ' eventcal'),
 281                         '$events' => $events,
 282                         "today" => L10n::t("today"),
 283                         "month" => L10n::t("month"),
 284                         "week" => L10n::t("week"),
 285                         "day" => L10n::t("day"),
 286                         "list" => L10n::t("list"),
 287                 ]);
 288
 289                 if (x($_GET, 'id')) {
 290                         echo $o;
 291                         killme();
 292                 }
 293
 294                 return $o;
 295         }
 296
 297         if ($mode == 'export') {
 298                 if (!intval($owner_uid)) {
 299                         notice(L10n::t('User not found'));
 300                         return;
 301                 }
 302
 303                 // Test permissions
 304                 // Respect the export feature setting for all other /cal pages if it's not the own profile
 305                 if ((local_user() !== intval($owner_uid)) && !Feature::isEnabled($owner_uid, "export_calendar")) {
 306                         notice(L10n::t('Permission denied.') . EOL);
 307                         goaway('cal/' . $nick);
 308                 }
 309
 310                 // Get the export data by uid
 311                 $evexport = Event::exportListByUserId($owner_uid, $format);
 312
 313                 if (!$evexport["success"]) {
 314                         if ($evexport["content"]) {
 315                                 notice(L10n::t('This calendar format is not supported'));
 316                         } else {
 317                                 notice(L10n::t('No exportable data found'));
 318                         }
 319
 320                         // If it the own calendar return to the events page
 321                         // otherwise to the profile calendar page
 322                         if (local_user() === intval($owner_uid)) {
 323                                 $return_path = "events";
 324                         } else {
 325                                 $return_path = "cal/" . $nick;
 326                         }
 327
 328                         goaway($return_path);
 329                 }
 330
 331                 // If nothing went wrong we can echo the export content
 332                 if ($evexport["success"]) {
 333                         header('Content-type: text/calendar');
 334                         header('content-disposition: attachment; filename="' . L10n::t('calendar') . '-' . $nick . '.' . $evexport["extension"] . '"');
 335                         echo $evexport["content"];
 336                         killme();
 337                 }
 338
 339                 return;
 340         }
 341 }