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