dav/friendica/main.php

   1 <?php
   2
   3 require_once('include/security.php');
   4
   5 function dav_install()
   6 {
   7         register_hook('event_created', 'addon/dav/dav.php', 'dav_event_created_hook');
   8         register_hook('event_updated', 'addon/dav/dav.php', 'dav_event_updated_hook');
   9         register_hook('profile_tabs', 'addon/dav/dav.php', 'dav_profile_tabs_hook');
  10         register_hook('cron', 'addon/dav/dav.php', 'dav_cron');
  11 }
  12
  13
  14 function dav_uninstall()
  15 {
  16         unregister_hook('event_created', 'addon/dav/dav.php', 'dav_event_created_hook');
  17         unregister_hook('event_updated', 'addon/dav/dav.php', 'dav_event_updated_hook');
  18         unregister_hook('profile_tabs', 'addon/dav/dav.php', 'dav_profile_tabs_hook');
  19         unregister_hook('cron', 'addon/dav/dav.php', 'dav_cron');
  20 }
  21
  22
  23 function dav_module()
  24 {
  25 }
  26
  27 function dav_include_files()
  28 {
  29         require_once (__DIR__ . "/../SabreDAV/lib/Sabre/autoload.php");
  30
  31         require_once (__DIR__ . "/../sabre-vobject/lib/Sabre/VObject/Node.php");
  32         require_once (__DIR__ . "/../sabre-vobject/lib/Sabre/VObject/Element.php");
  33         require_once (__DIR__ . "/../sabre-vobject/lib/Sabre/VObject/Component.php");
  34         require_once (__DIR__ . "/../sabre-vobject/lib/Sabre/VObject/DateTimeParser.php");
  35         require_once (__DIR__ . "/../sabre-vobject/lib/Sabre/VObject/ElementList.php");
  36         require_once (__DIR__ . "/../sabre-vobject/lib/Sabre/VObject/FreeBusyGenerator.php");
  37         require_once (__DIR__ . "/../sabre-vobject/lib/Sabre/VObject/Parameter.php");
  38         require_once (__DIR__ . "/../sabre-vobject/lib/Sabre/VObject/ParseException.php");
  39         require_once (__DIR__ . "/../sabre-vobject/lib/Sabre/VObject/Property.php");
  40         require_once (__DIR__ . "/../sabre-vobject/lib/Sabre/VObject/Reader.php");
  41         require_once (__DIR__ . "/../sabre-vobject/lib/Sabre/VObject/RecurrenceIterator.php");
  42         require_once (__DIR__ . "/../sabre-vobject/lib/Sabre/VObject/TimeZoneUtil.php");
  43         require_once (__DIR__ . "/../sabre-vobject/lib/Sabre/VObject/Version.php");
  44         require_once (__DIR__ . "/../sabre-vobject/lib/Sabre/VObject/Property/DateTime.php");
  45         require_once (__DIR__ . "/../sabre-vobject/lib/Sabre/VObject/Property/MultiDateTime.php");
  46         require_once (__DIR__ . "/../sabre-vobject/lib/Sabre/VObject/Component/VAlarm.php");
  47         require_once (__DIR__ . "/../sabre-vobject/lib/Sabre/VObject/Component/VCalendar.php");
  48         require_once (__DIR__ . "/../sabre-vobject/lib/Sabre/VObject/Component/VEvent.php");
  49         require_once (__DIR__ . "/../sabre-vobject/lib/Sabre/VObject/Component/VJournal.php");
  50         require_once (__DIR__ . "/../sabre-vobject/lib/Sabre/VObject/Component/VTodo.php");
  51
  52         require_once (__DIR__ . "/../common/calendar.fnk.php");
  53         require_once (__DIR__ . "/../common/calendar_rendering.fnk.php");
  54
  55         require_once (__DIR__ . "/../common/dav_caldav_backend_common.inc.php");
  56         require_once (__DIR__ . "/../common/dav_caldav_backend_private.inc.php");
  57         require_once (__DIR__ . "/../common/dav_caldav_backend_virtual.inc.php");
  58         require_once (__DIR__ . "/../common/dav_caldav_root.inc.php");
  59         require_once (__DIR__ . "/../common/dav_user_calendars.inc.php");
  60         require_once (__DIR__ . "/../common/dav_caldav_calendar_virtual.inc.php");
  61         require_once (__DIR__ . "/../common/dav_caldav_calendar_private.inc.php");
  62
  63         require_once (__DIR__ . "/../common/dav_carddav_root.inc.php");
  64         require_once (__DIR__ . "/../common/dav_carddav_backend_common.inc.php");
  65         require_once (__DIR__ . "/../common/dav_carddav_backend_virtual.inc.php");
  66         require_once (__DIR__ . "/../common/dav_carddav_backend_private.inc.php");
  67         require_once (__DIR__ . "/../common/dav_user_addressbooks.inc.php");
  68
  69         require_once (__DIR__ . "/../common/wdcal_configuration.php");
  70         require_once (__DIR__ . "/../common/wdcal_backend.inc.php");
  71
  72         require_once (__DIR__ . "/dav_friendica_principal.inc.php");
  73         require_once (__DIR__ . "/dav_friendica_auth.inc.php");
  74         require_once (__DIR__ . "/dav_carddav_backend_virtual_friendica.inc.php");
  75         require_once (__DIR__ . "/dav_caldav_backend_virtual_friendica.inc.php");
  76         require_once (__DIR__ . "/FriendicaACLPlugin.inc.php");
  77
  78         require_once (__DIR__ . "/../common/wdcal_edit.inc.php");
  79         require_once (__DIR__ . "/calendar.friendica.fnk.php");
  80         require_once (__DIR__ . "/layout.fnk.php");
  81 }
  82
  83
  84 /**
  85  * @param App $a
  86  */
  87 function dav_init(&$a)
  88 {
  89
  90         /*
  91          * Recommended settings:
  92          * ALTER TABLE `photo` ADD INDEX ( `contact-id` )
  93          */
  94
  95         ini_set("display_errors", 1);
  96         error_reporting(E_ALL);
  97
  98         dav_include_files();
  99
 100         if (false) {
 101                 dbg(true);
 102                 error_reporting(E_ALL);
 103                 ini_set("display_errors", 1);
 104         }
 105
 106         wdcal_create_std_calendars();
 107         wdcal_create_std_addressbooks();
 108         wdcal_addRequiredHeaders();
 109
 110         if ($a->argc >= 2 && $a->argv[1] == "wdcal") {
 111
 112                 if ($a->argc >= 3 && $a->argv[2] == "feed") {
 113                         wdcal_print_feed($a->get_baseurl() . "/dav/wdcal/");
 114                         killme();
 115                 }
 116                 return;
 117         }
 118         if ($a->argc >= 2 && $a->argv[1] == "getExceptionDates") {
 119                 echo wdcal_getEditPage_exception_selector();
 120                 killme();
 121         }
 122
 123         if ($a->argc >= 2 && $a->argv[1] == "settings") {
 124                 return;
 125         }
 126
 127
 128         if (isset($_REQUEST["test"])) {
 129                 renderAllCalDavEntries();
 130         }
 131
 132
 133         $server = dav_create_server();
 134
 135         $browser = new Sabre_DAV_Browser_Plugin();
 136         $server->addPlugin($browser);
 137
 138         $server->exec();
 139
 140         killme();
 141 }
 142
 143 /**
 144  * @return string
 145  */
 146 function dav_content()
 147 {
 148         $a = get_app();
 149         if (!isset($a->user["uid"]) || $a->user["uid"] == 0) {
 150                 return login();
 151         }
 152
 153         $x = "";
 154         try {
 155                 if ($a->argv[1] == "settings") {
 156                         return wdcal_getSettingsPage($a);
 157                 } elseif ($a->argv[1] == "wdcal") {
 158                         if (isset($a->argv[2]) && strlen($a->argv[2]) > 0) {
 159                                 if ($a->argv[2] == "new") {
 160                                         $o = "";
 161                                         if (isset($_REQUEST["save"])) {
 162                                                 check_form_security_token_redirectOnErr("/dav/wdcal/", "caledit");
 163                                                 $ret = wdcal_postEditPage("new", "", $a->user["uid"], $a->timezone, $a->get_baseurl() . "/dav/wdcal/");
 164                                                 if ($ret["ok"]) notice($ret["msg"]);
 165                                                 else info($ret["msg"]);
 166                                                 goaway($a->get_baseurl() . "/dav/wdcal/");
 167                                         }
 168                                         $o .= wdcal_getNewPage();
 169                                         return $o;
 170                                 } else {
 171                                         $calendar_id = IntVal($a->argv[2]);
 172                                         if (isset($a->argv[3]) && $a->argv[3] == "ics-export") {
 173                                                 wdcal_print_user_ics($calendar_id);
 174                                         } elseif (isset($a->argv[3]) && $a->argv[3] == "ics-import") {
 175                                                 return wdcal_import_user_ics($calendar_id);
 176                                         } elseif (isset($a->argv[3]) && $a->argv[3] > 0) {
 177                                                 if (isset($a->argv[4]) && $a->argv[4] == "edit") {
 178                                                         $o = "";
 179                                                         if (isset($_REQUEST["save"])) {
 180                                                                 check_form_security_token_redirectOnErr("/dav/wdcal/", "caledit");
 181                                                                 $ret = wdcal_postEditPage($a->argv[3], $a->user["uid"], $a->timezone, $a->get_baseurl() . "/dav/wdcal/");
 182                                                                 if ($ret["ok"]) notice($ret["msg"]);
 183                                                                 else info($ret["msg"]);
 184                                                                 goaway($a->get_baseurl() . "/dav/wdcal/");
 185                                                         }
 186                                                         $o .= wdcal_getEditPage($calendar_id, $a->argv[3]);
 187                                                         return $o;
 188                                                 } else {
 189                                                         return wdcal_getDetailPage($calendar_id, $a->argv[3]);
 190                                                 }
 191                                         } else {
 192                                                 // @TODO Edit Calendar
 193                                         }
 194                                 }
 195                         } else {
 196                                 $server = dav_create_server(true, true, false);
 197                                 $cals   = dav_get_current_user_calendars($server, DAV_ACL_READ);
 198                                 $x      = wdcal_printCalendar($cals, array(), $a->get_baseurl() . "/dav/wdcal/feed/", "week", 0, 200);
 199                         }
 200                 }
 201         } catch (DAVVersionMismatchException $e) {
 202                 $x = t("The current version of this plugin has not been set up correctly. Please contact the system administrator of your installation of friendica to fix this.");
 203         }
 204         return $x;
 205 }
 206
 207
 208 /**
 209  * @param App $a
 210  * @param object $b
 211  */
 212 function dav_event_created_hook(&$a, &$b)
 213 {
 214         dav_include_files();
 215         // @TODO Updating the cache instead of completely invalidating and rebuilding it
 216         Sabre_CalDAV_Backend_Friendica::invalidateCache($a->user["uid"], CALDAV_FRIENDICA_CONTACTS);
 217         Sabre_CalDAV_Backend_Friendica::invalidateCache($a->user["uid"], CALDAV_FRIENDICA_MINE);
 218 }
 219
 220 /**
 221  * @param App $a
 222  * @param object $b
 223  */
 224 function dav_event_updated_hook(&$a, &$b)
 225 {
 226         dav_include_files();
 227         // @TODO Updating the cache instead of completely invalidating and rebuilding it
 228         Sabre_CalDAV_Backend_Friendica::invalidateCache($a->user["uid"], CALDAV_FRIENDICA_CONTACTS);
 229         Sabre_CalDAV_Backend_Friendica::invalidateCache($a->user["uid"], CALDAV_FRIENDICA_MINE);
 230 }
 231
 232 /**
 233  * @param App $a
 234  * @param object $b
 235  */
 236 function dav_profile_tabs_hook(&$a, &$b)
 237 {
 238         $b["tabs"][] = array(
 239                 "label" => t('Calendar'),
 240                 "url"   => $a->get_baseurl() . "/dav/wdcal/",
 241                 "sel"   => "",
 242                 "title" => t('Extended calendar with CalDAV-support'),
 243         );
 244 }
 245
 246
 247 /**
 248  * @param App $a
 249  * @param object $b
 250  */
 251 function dav_cron(&$a, &$b)
 252 {
 253         dav_include_files();
 254
 255         $r = q("SELECT * FROM %s%snotifications WHERE `notified` = 0 AND `alert_date` <= NOW()", CALDAV_SQL_DB, CALDAV_SQL_PREFIX);
 256     if (is_array($r)) {
 257         foreach ($r as $not) {
 258                 q("UPDATE %s%snotifications SET `notified` = 1 WHERE `id` = %d", CALDAV_SQL_DB, CALDAV_SQL_PREFIX, $not["id"]);
 259                 $event    = q("SELECT * FROM %s%sjqcalendar WHERE `calendarobject_id` = %d", CALDAV_SQL_DB, CALDAV_SQL_PREFIX, $not["calendarobject_id"]);
 260                 $calendar = q("SELECT * FROM %s%scalendars WHERE `id` = %d", CALDAV_SQL_DB, CALDAV_SQL_PREFIX, $not["calendar_id"]);
 261                 $users    = array();
 262                 if (count($calendar) != 1 || count($event) == 0) continue;
 263                 switch ($calendar[0]["namespace"]) {
 264                         case CALDAV_NAMESPACE_PRIVATE:
 265                                 $user = q("SELECT * FROM user WHERE `uid` = %d AND `blocked` = 0", $calendar[0]["namespace_id"]);
 266                                 if (count($user) != 1) continue;
 267                                 $users[] = $user[0];
 268                                 break;
 269                 }
 270                 switch ($not["action"]) {
 271                         case "email":
 272                         case "display": // @TODO implement "Display"
 273                                 foreach ($users as $user) {
 274                                         $find      = array("%to%", "%event%", "%url%");
 275                                         $repl      = array($user["username"], $event[0]["Summary"], $a->get_baseurl() . "/dav/wdcal/" . $calendar[0]["id"] . "/" . $not["calendarobject_id"] . "/");
 276                                         $text_text = str_replace($find, $repl, "Hi %to%!\n\nThe event \"%event%\" is about to begin:\n%url%");
 277                                         $text_html = str_replace($find, $repl, "Hi %to%!<br>\n<br>\nThe event \"%event%\" is about to begin:<br>\n<a href='" . "%url%" . "'>%url%</a>");
 278                                         $params    = array(
 279                                                 'fromName'             => FRIENDICA_PLATFORM,
 280                                                 'fromEmail'            => t('noreply') . '@' . $a->get_hostname(),
 281                                                 'replyTo'              => t('noreply') . '@' . $a->get_hostname(),
 282                                                 'toEmail'              => $user["email"],
 283                                                 'messageSubject'       => t("Notification: " . $event[0]["Summary"]),
 284                                                 'htmlVersion'          => $text_html,
 285                                                 'textVersion'          => $text_text,
 286                                                 'additionalMailHeader' => "",
 287                                         );
 288                                         require_once('include/Emailer.php');
 289                                         Emailer::send($params);
 290                                 }
 291                                 break;
 292                 }
 293         }
 294     }
 295 }
 296
 297
 298 /**
 299  * @param App $a
 300  * @param null|object $o
 301  */
 302 function dav_plugin_admin_post(&$a = null, &$o = null)
 303 {
 304         check_form_security_token_redirectOnErr('/admin/plugins/dav', 'dav_admin_save');
 305
 306         dav_include_files();
 307         require_once(__DIR__ . "/database-init.inc.php");
 308
 309         if (isset($_REQUEST["install"])) {
 310                 $errs = dav_create_tables();
 311                 if (count($errs) == 0) info(t('The database tables have been installed.') . EOL);
 312                 else notice(t("An error occurred during the installation.") . EOL);
 313         }
 314         if (isset($_REQUEST["upgrade"])) {
 315                 $errs = dav_upgrade_tables();
 316                 if (count($errs) == 0) {
 317                         renderAllCalDavEntries();
 318                         info(t('The database tables have been updated.') . EOL);
 319                 } else notice(t("An error occurred during the update.") . EOL);
 320         }
 321 }
 322
 323 /**
 324  * @param App $a
 325  * @param string $o
 326  */
 327 function dav_plugin_admin(&$a, &$o)
 328 {
 329         dav_include_files();
 330         require_once(__DIR__ . "/database-init.inc.php");
 331
 332         $dbstatus = dav_check_tables();
 333
 334         $o = '<input type="hidden" name="form_security_token" value="' . get_form_security_token("dav_admin_save") . '">';
 335         $o .= '<i>' . t("No system-wide settings yet.") . '</i><br><br>';
 336
 337
 338         $o .= '<h3>' . t('Database status') . '</h3>';
 339         switch ($dbstatus) {
 340                 case 0:
 341                         $o .= t('Installed');
 342                         break;
 343                 case 1:
 344                 case 2:
 345                         $o .= "<strong>" . t('Upgrade needed') . "</strong><br>" . t("Please back up all calendar data (the tables beginning with dav_*) before proceeding. While all calendar events <i>should</i> be converted to the new database structure, it's always safe to have a backup. Below, you can have a look at the database-queries that will be made when pressing the 'update'-button.") . "<br><br><input type='submit' name='upgrade' value='" . t('Upgrade') . "'>";
 346                         break;
 347                 case -1:
 348                         $o .= t('Not installed') . "<br><br><input type='submit' name='install' value='" . t('Install') . "'>";
 349                         break;
 350                 case -2:
 351                 default:
 352                         $o .= t('Unknown') . "<br><br>" . t("Something really went wrong. I cannot recover from this state automatically, sorry. Please go to the database backend, back up the data, and delete all tables beginning with 'dav_' manually. Afterwards, this installation routine should be able to reinitialize the tables automatically.");
 353                         break;
 354         }
 355         $o .= "<br><br>";
 356
 357         $o .= "<h3>" . t("Troubleshooting") . "</h3>";
 358         $o .= "<h4>" . t("Manual creation of the database tables:") . "</h4>";
 359         $o .= "<a href='#' onClick='\$(\"#sqlstatements\").show(); return false;'>" . t("Show SQL-statements") . "</a><blockquote style='display: none;' id='sqlstatements'><pre>";
 360         switch ($dbstatus) {
 361                 case 1: case 2:
 362                         $tables = dav_get_update_statements($dbstatus);
 363                         foreach ($tables as $t) $o .= escape_tags($t . ";\n\n");
 364                         break;
 365                 default:
 366                         $tables = dav_get_create_statements();
 367                         foreach ($tables as $t) $o .= escape_tags($t . ";\n\n");
 368                         break;
 369         }
 370         $o .= "</pre></blockquote>";
 371 }