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