dav/common/calendar.fnk.php

   1 <?php
   2
   3
   4 define("DAV_ACL_READ", "{DAV:}read");
   5 define("DAV_ACL_WRITE", "{DAV:}write");
   6 define("DAV_DISPLAYNAME", "{DAV:}displayname");
   7 define("DAV_CALENDARCOLOR", "{http://apple.com/ns/ical/}calendar-color");
   8
   9
  10 class DAVVersionMismatchException extends Exception {}
  11
  12
  13 class vcard_source_data_email
  14 {
  15         public $email, $type;
  16
  17         function __construct($type, $email)
  18         {
  19                 $this->email = $email;
  20                 $this->type  = $type;
  21         }
  22 }
  23
  24 class vcard_source_data_homepage
  25 {
  26         public $homepage, $type;
  27
  28         function __construct($type, $homepage)
  29         {
  30                 $this->homepage = $homepage;
  31                 $this->type     = $type;
  32         }
  33 }
  34
  35 class vcard_source_data_telephone
  36 {
  37         public $telephone, $type;
  38
  39         function __construct($type, $telephone)
  40         {
  41                 $this->telephone = $telephone;
  42                 $this->type      = $type;
  43         }
  44 }
  45
  46 class vcard_source_data_socialnetwork
  47 {
  48         public $nick, $type, $url;
  49
  50         function __construct($type, $nick, $url)
  51         {
  52                 $this->nick = $nick;
  53                 $this->type = $type;
  54                 $this->url  = $url;
  55         }
  56 }
  57
  58 class vcard_source_data_address
  59 {
  60         public $street, $street2, $zip, $city, $country, $type;
  61 }
  62
  63 class vcard_source_data_photo
  64 {
  65         public $binarydata;
  66         public $width, $height;
  67         public $type;
  68 }
  69
  70 class vcard_source_data
  71 {
  72         function __construct($name_first, $name_middle, $name_last)
  73         {
  74                 $this->name_first  = $name_first;
  75                 $this->name_middle = $name_middle;
  76                 $this->name_last   = $name_last;
  77         }
  78
  79         public $name_first, $name_middle, $name_last;
  80         public $last_update;
  81         public $picture_data;
  82
  83         /** @var array|vcard_source_data_telephone[] $telephones */
  84         public $telephones;
  85
  86         /** @var array|vcard_source_data_homepage[] $homepages */
  87         public $homepages;
  88
  89         /** @var array|vcard_source_data_socialnetwork[] $socialnetworks */
  90         public $socialnetworks;
  91
  92         /** @var array|vcard_source_data_email[] $email */
  93         public $emails;
  94
  95         /** @var array|vcard_source_data_address[] $addresses */
  96         public $addresses;
  97
  98         /** @var vcard_source_data_photo */
  99         public $photo;
 100 }
 101
 102
 103 /**
 104  * @param int $phpDate (UTC)
 105  * @return string (Lokalzeit)
 106  */
 107 function wdcal_php2MySqlTime($phpDate)
 108 {
 109         return date("Y-m-d H:i:s", $phpDate);
 110 }
 111
 112 /**
 113  * @param string $sqlDate
 114  * @return int
 115  */
 116 function wdcal_mySql2PhpTime($sqlDate)
 117 {
 118         $ts = DateTime::createFromFormat("Y-m-d H:i:s", $sqlDate);
 119         return $ts->format("U");
 120 }
 121
 122 /**
 123  * @param string $myqlDate
 124  * @return array
 125  */
 126 function wdcal_mySql2icalTime($myqlDate)
 127 {
 128         $x             = explode(" ", $myqlDate);
 129         $y             = explode("-", $x[0]);
 130         $ret           = array("year"=> $y[0], "month"=> $y[1], "day"=> $y[2]);
 131         $y             = explode(":", $x[1]);
 132         $ret["hour"]   = $y[0];
 133         $ret["minute"] = $y[1];
 134         $ret["second"] = $y[2];
 135         return $ret;
 136 }
 137
 138
 139 /**
 140  * @param string $str
 141  * @return string
 142  */
 143 function icalendar_sanitize_string($str = "")
 144 {
 145         return preg_replace("/[\\r\\n]+/siu", "\r\n", $str);
 146 }
 147
 148
 149 /**
 150  * @return Sabre_CalDAV_AnimexxCalendarRootNode
 151  */
 152 function dav_createRootCalendarNode()
 153 {
 154         $backends = array(Sabre_CalDAV_Backend_Private::getInstance());
 155         foreach ($GLOBALS["CALDAV_PRIVATE_SYSTEM_BACKENDS"] as $backendclass) $backends[] = $backendclass::getInstance();
 156         return new Sabre_CalDAV_AnimexxCalendarRootNode(Sabre_DAVACL_PrincipalBackend_Std::getInstance(), $backends);
 157 }
 158
 159 /**
 160  * @return Sabre_CardDAV_AddressBookRootFriendica
 161  */
 162 function dav_createRootContactsNode()
 163 {
 164         $backends = array(Sabre_CardDAV_Backend_Std::getInstance());
 165         foreach ($GLOBALS["CARDDAV_PRIVATE_SYSTEM_BACKENDS"] as $backendclass) $backends[] = $backendclass::getInstance();
 166
 167         return new Sabre_CardDAV_AddressBookRootFriendica(Sabre_DAVACL_PrincipalBackend_Std::getInstance(), $backends);
 168 }
 169
 170
 171 /**
 172  * @param bool $force_authentication
 173  * @param bool $needs_caldav
 174  * @param bool $needs_carddav
 175  * @return Sabre_DAV_Server
 176  */
 177 function dav_create_server($force_authentication = false, $needs_caldav = true, $needs_carddav = true)
 178 {
 179         $arr = array(
 180                 new Sabre_DAV_SimpleCollection('principals', array(
 181                         new Sabre_CalDAV_Principal_Collection(Sabre_DAVACL_PrincipalBackend_Std::getInstance(), "principals/users"),
 182                 )),
 183         );
 184         if ($needs_caldav) $arr[] = dav_createRootCalendarNode();
 185         if ($needs_carddav) $arr[] = dav_createRootContactsNode();
 186
 187
 188         $tree = new Sabre_DAV_SimpleCollection('root', $arr);
 189
 190 // The object tree needs in turn to be passed to the server class
 191         $server = new Sabre_DAV_Server($tree);
 192
 193         if (CALDAV_URL_PREFIX != "") $server->setBaseUri(CALDAV_URL_PREFIX);
 194
 195         $authPlugin = new Sabre_DAV_Auth_Plugin(Sabre_DAV_Auth_Backend_Std::getInstance(), DAV_APPNAME);
 196         $server->addPlugin($authPlugin);
 197
 198         if ($needs_caldav) {
 199                 $caldavPlugin = new Sabre_CalDAV_Plugin();
 200                 $server->addPlugin($caldavPlugin);
 201         }
 202         if ($needs_carddav) {
 203                 $carddavPlugin = new Sabre_CardDAV_Plugin();
 204                 $server->addPlugin($carddavPlugin);
 205         }
 206
 207         if ($GLOBALS["CALDAV_ACL_PLUGIN_CLASS"] != "") {
 208                 $aclPlugin                      = new $GLOBALS["CALDAV_ACL_PLUGIN_CLASS"]();
 209                 $aclPlugin->defaultUsernamePath = "principals/users";
 210                 $server->addPlugin($aclPlugin);
 211         } else {
 212                 $aclPlugin = new Sabre_DAVACL_Plugin();
 213                 $aclPlugin->defaultUsernamePath = "principals/users";
 214                 $server->addPlugin($aclPlugin);
 215         }
 216
 217         if ($force_authentication) $server->broadcastEvent('beforeMethod', array("GET", "/")); // Make it authenticate
 218
 219         return $server;
 220 }
 221
 222
 223 /**
 224  * @param Sabre_DAV_Server $server
 225  * @param string $with_privilege
 226  * @return array|Sabre_CalDAV_Calendar[]
 227  */
 228 function dav_get_current_user_calendars(&$server, $with_privilege = "")
 229 {
 230         if ($with_privilege == "") $with_privilege = DAV_ACL_READ;
 231
 232         $a             = get_app();
 233         $calendar_path = "/calendars/" . strtolower($a->user["nickname"]) . "/";
 234
 235         /** @var Sabre_CalDAV_AnimexxUserCalendars $tree  */
 236         $tree = $server->tree->getNodeForPath($calendar_path);
 237         /** @var array|Sabre_CalDAV_Calendar[] $calendars  */
 238         $children = $tree->getChildren();
 239
 240         $calendars = array();
 241         /** @var Sabre_DAVACL_Plugin $aclplugin  */
 242         $aclplugin = $server->getPlugin("acl");
 243         foreach ($children as $child) if (is_a($child, "Sabre_CalDAV_Calendar") || is_subclass_of($child, "Sabre_CalDAV_Calendar")) {
 244                 if ($with_privilege != "") {
 245                         $caluri = $calendar_path . $child->getName();
 246                         if ($aclplugin->checkPrivileges($caluri, $with_privilege, Sabre_DAVACL_Plugin::R_PARENT, false)) $calendars[] = $child;
 247                 } else {
 248                         $calendars[] = $child;
 249                 }
 250         }
 251         return $calendars;
 252 }
 253
 254
 255 /**
 256  * @param Sabre_DAV_Server $server
 257  * @param Sabre_CalDAV_Calendar $calendar
 258  * @param string $calendarobject_uri
 259  * @param string $with_privilege
 260  * @return null|Sabre\VObject\Component\VCalendar
 261  */
 262 function dav_get_current_user_calendarobject(&$server, &$calendar, $calendarobject_uri, $with_privilege = "")
 263 {
 264         $obj = $calendar->getChild($calendarobject_uri);
 265
 266         if ($with_privilege == "") $with_privilege = DAV_ACL_READ;
 267
 268         $a   = get_app();
 269         $uri = "/calendars/" . strtolower($a->user["nickname"]) . "/" . $calendar->getName() . "/" . $calendarobject_uri;
 270
 271         /** @var Sabre_DAVACL_Plugin $aclplugin  */
 272         $aclplugin = $server->getPlugin("acl");
 273         if (!$aclplugin->checkPrivileges($uri, $with_privilege, Sabre_DAVACL_Plugin::R_PARENT, false)) return null;
 274
 275         $data    = $obj->get();
 276         $vObject = Sabre\VObject\Reader::read($data);
 277
 278         return $vObject;
 279 }
 280
 281
 282 /**
 283  * @param Sabre_DAV_Server $server
 284  * @param int $id
 285  * @param string $with_privilege
 286  * @return null|Sabre_CalDAV_Calendar
 287  */
 288 function dav_get_current_user_calendar_by_id(&$server, $id, $with_privilege = "")
 289 {
 290         $calendars = dav_get_current_user_calendars($server, $with_privilege);
 291
 292         $calendar = null;
 293         foreach ($calendars as $cal) {
 294                 $prop = $cal->getProperties(array("id"));
 295                 if (isset($prop["id"]) && $prop["id"] == $id) $calendar = $cal;
 296         }
 297
 298         return $calendar;
 299 }
 300
 301
 302 /**
 303  * @param string $uid
 304  * @return Sabre\VObject\Component\VCalendar $vObject
 305  */
 306 function dav_create_empty_vevent($uid = "")
 307 {
 308         if ($uid == "") $uid = uniqid();
 309         return Sabre\VObject\Reader::read("BEGIN:VCALENDAR\r\nVERSION:2.0\r\nPRODID:-//" . DAV_APPNAME . "//DAV-Plugin//EN\r\nBEGIN:VEVENT\r\nUID:" . $uid . "@" . dav_compat_get_hostname() .
 310                 "\r\nDTSTAMP:" . date("Ymd") . "T" . date("His") . "Z\r\nEND:VEVENT\r\nEND:VCALENDAR\r\n");
 311 }
 312
 313
 314 /**
 315  * @param Sabre\VObject\Component\VCalendar $vObject
 316  * @return Sabre\VObject\Component\VEvent|null
 317  */
 318 function dav_get_eventComponent(&$vObject)
 319 {
 320         $component     = null;
 321         $componentType = "";
 322         foreach ($vObject->getComponents() as $component) {
 323                 if ($component->name !== 'VTIMEZONE') {
 324                         $componentType = $component->name;
 325                         break;
 326                 }
 327         }
 328         if ($componentType != "VEVENT") return null;
 329
 330         return $component;
 331 }