dav/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 }
  11
  12
  13 function dav_uninstall()
  14 {
  15         unregister_hook('event_created', 'addon/dav/dav.php', 'dav_event_created_hook');
  16         unregister_hook('event_updated', 'addon/dav/dav.php', 'dav_event_updated_hook');
  17         unregister_hook('profile_tabs', 'addon/dav/dav.php', 'dav_profile_tabs_hook');
  18 }
  19
  20
  21 function dav_module()
  22 {
  23 }
  24
  25 function dav_include_files() {
  26         require_once (__DIR__ . "/common/dbclasses/dbclass_animexx.class.php");
  27         require_once (__DIR__ . "/common/dbclasses/dbclass.friendica.calendars.class.php");
  28         require_once (__DIR__ . "/common/dbclasses/dbclass.friendica.jqcalendar.class.php");
  29         require_once (__DIR__ . "/common/dbclasses/dbclass.friendica.notifications.class.php");
  30         require_once (__DIR__ . "/common/dbclasses/dbclass.friendica.calendarobjects.class.php");
  31
  32         /*
  33         require_once (__DIR__ . "/SabreDAV/lib/Sabre.includes.php");
  34         require_once (__DIR__ . "/SabreDAV/lib/Sabre/VObject/includes.php");
  35         require_once (__DIR__ . "/SabreDAV/lib/Sabre/DAVACL/includes.php");
  36         require_once (__DIR__ . "/SabreDAV/lib/Sabre/CalDAV/includes.php");
  37         */
  38         require_once (__DIR__ . "/SabreDAV/lib/Sabre/autoload.php");
  39
  40         $tz_before = date_default_timezone_get();
  41         require_once (__DIR__ . "/iCalcreator/iCalcreator.class.php");
  42         date_default_timezone_set($tz_before);
  43
  44         require_once (__DIR__ . "/common/calendar.fnk.php");
  45         require_once (__DIR__ . "/common/dav_caldav_backend_common.inc.php");
  46         require_once (__DIR__ . "/common/dav_caldav_backend.inc.php");
  47         require_once (__DIR__ . "/common/dav_caldav_root.inc.php");
  48         require_once (__DIR__ . "/common/dav_user_calendars.inc.php");
  49         require_once (__DIR__ . "/common/dav_carddav_root.inc.php");
  50         require_once (__DIR__ . "/common/dav_carddav_backend_std.inc.php");
  51         require_once (__DIR__ . "/common/dav_user_addressbooks.inc.php");
  52         require_once (__DIR__ . "/common/virtual_cal_source_backend.inc.php");
  53         require_once (__DIR__ . "/common/wdcal_configuration.php");
  54         require_once (__DIR__ . "/common/wdcal_cal_source.inc.php");
  55         require_once (__DIR__ . "/common/wdcal_cal_source_private.inc.php");
  56
  57         require_once (__DIR__ . "/dav_friendica_principal.inc.php");
  58         require_once (__DIR__ . "/dav_friendica_auth.inc.php");
  59         require_once (__DIR__ . "/dav_carddav_backend_friendica_community.inc.php");
  60         require_once (__DIR__ . "/dav_caldav_backend_friendica.inc.php");
  61         require_once (__DIR__ . "/virtual_cal_source_friendica.inc.php");
  62         require_once (__DIR__ . "/wdcal_cal_source_friendicaevents.inc.php");
  63         require_once (__DIR__ . "/FriendicaACLPlugin.inc.php");
  64
  65         require_once (__DIR__ . "/calendar.friendica.fnk.php");
  66         require_once (__DIR__ . "/layout.fnk.php");
  67 }
  68
  69
  70 /**
  71  * @param App $a
  72  */
  73 function dav_init(&$a)
  74 {
  75
  76         /*
  77          * Recommended settings:
  78          * ALTER TABLE `photo` ADD INDEX ( `contact-id` )
  79          */
  80
  81         dav_include_files();
  82
  83         if (false) {
  84                 dbg(true);
  85                 error_reporting(E_ALL);
  86                 ini_set("display_errors", 1);
  87         }
  88
  89         wdcal_create_std_calendars();
  90
  91
  92         if ($a->argc >= 2 && $a->argv[1] == "wdcal") {
  93
  94                 if ($a->argc >= 3 && $a->argv[2] == "feed") {
  95                         wdcal_print_feed($a->get_baseurl() . "/dav/wdcal/");
  96                         killme();
  97                 } elseif ($a->argc >= 3 && strlen($a->argv[2]) > 0) {
  98                         wdcal_addRequiredHeadersEdit();
  99                 } else {
 100                         wdcal_addRequiredHeaders();
 101                 }
 102                 return;
 103         }
 104
 105         if ($a->argc >= 2 && $a->argv[1] == "settings") {
 106                 return;
 107         }
 108
 109         $authBackend              = new Sabre_DAV_Auth_Backend_Friendica();
 110         $principalBackend         = new Sabre_DAVACL_PrincipalBackend_Friendica($authBackend);
 111         $caldavBackend_std        = new Sabre_CalDAV_Backend_Std();
 112         $caldavBackend_community  = new Sabre_CalDAV_Backend_Friendica();
 113         $carddavBackend_std       = new Sabre_CardDAV_Backend_Std();
 114         $carddavBackend_community = new Sabre_CardDAV_Backend_FriendicaCommunity();
 115
 116         if (isset($_SERVER["PHP_AUTH_USER"])) {
 117                 $tree = new Sabre_DAV_SimpleCollection('root', array(
 118                         new Sabre_DAV_SimpleCollection('principals', array(
 119                                 new Sabre_CalDAV_Principal_Collection($principalBackend, "principals/users"),
 120                         )),
 121                         new Sabre_CalDAV_AnimexxCalendarRootNode($principalBackend, array(
 122                                 $caldavBackend_std,
 123                                 $caldavBackend_community,
 124                         )),
 125                         new Sabre_CardDAV_AddressBookRootFriendica($principalBackend, array(
 126                                 $carddavBackend_std,
 127                                 $carddavBackend_community,
 128                         )),
 129                 ));
 130         } else {
 131                 $tree = new Sabre_DAV_SimpleCollection('root', array());
 132         }
 133
 134 // The object tree needs in turn to be passed to the server class
 135         $server = new Sabre_DAV_Server($tree);
 136
 137         $url = parse_url($a->get_baseurl());
 138         $server->setBaseUri(CALDAV_URL_PREFIX);
 139
 140         $authPlugin = new Sabre_DAV_Auth_Plugin($authBackend, 'SabreDAV');
 141         $server->addPlugin($authPlugin);
 142
 143         $aclPlugin                      = new Sabre_DAVACL_Plugin_Friendica();
 144         $aclPlugin->defaultUsernamePath = "principals/users";
 145         $server->addPlugin($aclPlugin);
 146
 147         $caldavPlugin = new Sabre_CalDAV_Plugin();
 148         $server->addPlugin($caldavPlugin);
 149
 150         $carddavPlugin = new Sabre_CardDAV_Plugin();
 151         $server->addPlugin($carddavPlugin);
 152
 153         $browser = new Sabre_DAV_Browser_Plugin();
 154         $server->addPlugin($browser);
 155
 156         $server->exec();
 157
 158         killme();
 159 }
 160
 161 /**
 162  * @return string
 163  */
 164 function dav_content()
 165 {
 166         $a = get_app();
 167         if (!isset($a->user["uid"]) || $a->user["uid"] == 0) {
 168                 return login();
 169         }
 170
 171         $x = "";
 172
 173         if ($a->argv[1] == "settings") {
 174                 return wdcal_getSettingsPage($a);
 175         } elseif ($a->argv[1] == "wdcal") {
 176                 if ($a->argc >= 3 && strlen($a->argv[2]) > 0) {
 177                         $uri        = $a->argv[2];
 178                         $recurr_uri = ""; // @TODO
 179                         if (isset($a->argv[3]) && $a->argv[3] == "edit") {
 180                                 $o = "";
 181                                 if (isset($_REQUEST["save"])) $o .= wdcal_postEditPage($uri, $recurr_uri);
 182                                 $o .= wdcal_getEditPage($uri, $recurr_uri);
 183                                 return $o;
 184                         } else {
 185                                 return wdcal_getDetailPage($uri, $recurr_uri);
 186                         }
 187                 } else {
 188                         $cals      = dav_getMyCals($a->user["uid"]);
 189                         $cals_show = array();
 190                         foreach ($cals as $e) $cals_show[] = array("ns" => $e->namespace, "id" => $e->namespace_id, "displayname" => $e->displayname);
 191                         $x = wdcal_printCalendar($cals, $cals_show, $a->get_baseurl() . "/dav/wdcal/feed/", "week", 0, 200);
 192                 }
 193         }
 194         return $x;
 195 }
 196
 197
 198 /**
 199  * @param App $a
 200  * @param object $b
 201  */
 202 function dav_event_created_hook(&$a, &$b)
 203 {
 204         dav_include_files();
 205         // @TODO Updating the cache instead of completely invalidating and rebuilding it
 206         FriendicaVirtualCalSourceBackend::invalidateCache($a->user["uid"], CALDAV_FRIENDICA_CONTACTS);
 207         FriendicaVirtualCalSourceBackend::invalidateCache($a->user["uid"], CALDAV_FRIENDICA_MINE);
 208 }
 209
 210 /**
 211  * @param App $a
 212  * @param object $b
 213  */
 214 function dav_event_updated_hook(&$a, &$b)
 215 {
 216         dav_include_files();
 217         // @TODO Updating the cache instead of completely invalidating and rebuilding it
 218         FriendicaVirtualCalSourceBackend::invalidateCache($a->user["uid"], CALDAV_FRIENDICA_CONTACTS);
 219         FriendicaVirtualCalSourceBackend::invalidateCache($a->user["uid"], CALDAV_FRIENDICA_MINE);
 220 }
 221
 222 /**
 223  * @param App $a
 224  * @param object $b
 225  */
 226 function dav_profile_tabs_hook(&$a, &$b)
 227 {
 228         $b["tabs"][] = array(
 229         "label" => t('Calendar'),
 230                 "url" => $a->get_baseurl() . "/dav/wdcal/",
 231                 "sel" => "",
 232                 "title" => t('Extended calendar with CalDAV-support'),
 233         );
 234 }
 235
 236 /**
 237  * @param App $a
 238  * @param null|object $o
 239  */
 240 function dav_plugin_admin_post(&$a = null, &$o = null)
 241 {
 242         check_form_security_token_redirectOnErr('/admin/plugins/dav', 'dav_admin_save');
 243
 244         require_once(__DIR__ . "/database-init.inc.php");
 245
 246         if (isset($_REQUEST["install"])) {
 247                 $errs = dav_create_tables();
 248                 if (count($errs) == 0) info(t('The database tables have been installed.') . EOL);
 249                 else notice(t("An error occurred during the installation.") . EOL);
 250         }
 251 }
 252
 253 /**
 254  * @param App $a
 255  * @param null|object $o
 256  */
 257 function dav_plugin_admin(&$a, &$o)
 258 {
 259
 260         require_once(__DIR__ . "/database-init.inc.php");
 261
 262         $dbstatus = dav_check_tables();
 263
 264         $o = '<input type="hidden" name="form_security_token" value="' . get_form_security_token("dav_admin_save") . '">';
 265         $o .= '<i>' . t("No system-wide settings yet.") . '</i><br><br>';
 266
 267
 268         $o .= '<h3>' . t('Database status') . '</h3>';
 269         switch ($dbstatus) {
 270                 case 0:
 271                         $o .= t('Installed');
 272                         break;
 273                 case 1:
 274                         $o .= t('Upgrade needed') . "<br><br><input type='submit' name='upgrade' value='" . t('Upgrade') . "'>";
 275                         break;
 276                 case -1:
 277                         $o .= t('Not installed') . "<br><br><input type='submit' name='install' value='" . t('Install') . "'>";
 278                         break;
 279         }
 280         $o .= "<br><br>";
 281
 282         $o .= "<h3>" . t("Troubleshooting") . "</h3>";
 283         $o .= "<h4>" . t("Manual creation of the database tables:") . "</h4>";
 284         $o .= "<a href='#' onClick='\$(\"#sqlstatements\").show(); return false;'>" . t("Show SQL-statements") . "</a><blockquote style='display: none;' id='sqlstatements'><pre>";
 285         $tables = dav_get_create_statements();
 286         foreach ($tables as $t) $o .= escape_tags($t . "\n\n");
 287         $o .= "</pre></blockquote>";
 288 }