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