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