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