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
  11 class vcard_source_data_email
  12 {
  13         public $email, $type;
  14
  15         function __construct($type, $email)
  16         {
  17                 $this->email = $email;
  18                 $this->type  = $type;
  19         }
  20 }
  21
  22 class vcard_source_data_homepage
  23 {
  24         public $homepage, $type;
  25
  26         function __construct($type, $homepage)
  27         {
  28                 $this->homepage = $homepage;
  29                 $this->type     = $type;
  30         }
  31 }
  32
  33 class vcard_source_data_telephone
  34 {
  35         public $telephone, $type;
  36
  37         function __construct($type, $telephone)
  38         {
  39                 $this->telephone = $telephone;
  40                 $this->type      = $type;
  41         }
  42 }
  43
  44 class vcard_source_data_socialnetwork
  45 {
  46         public $nick, $type, $url;
  47
  48         function __construct($type, $nick, $url)
  49         {
  50                 $this->nick = $nick;
  51                 $this->type = $type;
  52                 $this->url  = $url;
  53         }
  54 }
  55
  56 class vcard_source_data_address
  57 {
  58         public $street, $street2, $zip, $city, $country, $type;
  59 }
  60
  61 class vcard_source_data_photo
  62 {
  63         public $binarydata;
  64         public $width, $height;
  65         public $type;
  66 }
  67
  68 class vcard_source_data
  69 {
  70         function __construct($name_first, $name_middle, $name_last)
  71         {
  72                 $this->name_first  = $name_first;
  73                 $this->name_middle = $name_middle;
  74                 $this->name_last   = $name_last;
  75         }
  76
  77         public $name_first, $name_middle, $name_last;
  78         public $last_update;
  79         public $picture_data;
  80
  81         /** @var array|vcard_source_data_telephone[] $telephones */
  82         public $telephones;
  83
  84         /** @var array|vcard_source_data_homepage[] $homepages */
  85         public $homepages;
  86
  87         /** @var array|vcard_source_data_socialnetwork[] $socialnetworks */
  88         public $socialnetworks;
  89
  90         /** @var array|vcard_source_data_email[] $email */
  91         public $emails;
  92
  93         /** @var array|vcard_source_data_address[] $addresses */
  94         public $addresses;
  95
  96         /** @var vcard_source_data_photo */
  97         public $photo;
  98 }
  99
 100 ;
 101
 102
 103 /**
 104  * @param vcard_source_data $vcardsource
 105  * @return string
 106  */
 107 function vcard_source_compile($vcardsource)
 108 {
 109         $str = "BEGIN:VCARD\r\nVERSION:3.0\r\nPRODID:-//Friendica//DAV-Plugin//EN\r\n";
 110         $str .= "N:" . str_replace(";", ",", $vcardsource->name_last) . ";" . str_replace(";", ",", $vcardsource->name_first) . ";" . str_replace(";", ",", $vcardsource->name_middle) . ";;\r\n";
 111         $str .= "FN:" . str_replace(";", ",", $vcardsource->name_first) . " " . str_replace(";", ",", $vcardsource->name_middle) . " " . str_replace(";", ",", $vcardsource->name_last) . "\r\n";
 112         $str .= "REV:" . str_replace(" ", "T", $vcardsource->last_update) . "Z\r\n";
 113
 114         $item_count = 0;
 115         for ($i = 0; $i < count($vcardsource->homepages); $i++) {
 116                 if ($i == 0) $str .= "URL;type=" . $vcardsource->homepages[0]->type . ":" . $vcardsource->homepages[0]->homepage . "\r\n";
 117                 else {
 118                         $c = ++$item_count;
 119                         $str .= "item$c.URL;type=" . $vcardsource->homepages[0]->type . ":" . $vcardsource->homepages[0]->homepage . "\r\n";
 120                         $str .= "item$c.X-ABLabel:_\$!<HomePage>!\$_\r\n";
 121                 }
 122         }
 123
 124         if (is_object($vcardsource->photo)) {
 125                 $data = base64_encode($vcardsource->photo->binarydata);
 126                 $str .= "PHOTO;ENCODING=BASE64;TYPE=" . $vcardsource->photo->type . ":" . $data . "\r\n";
 127         }
 128
 129         if (isset($vcardsource->socialnetworks) && is_array($vcardsource->socialnetworks)) foreach ($vcardsource->socialnetworks as $netw) switch ($netw->type) {
 130                 case "dfrn":
 131                         $str .= "X-SOCIALPROFILE;type=dfrn;x-user=" . $netw->nick . ":" . $netw->url . "\r\n";
 132                         break;
 133                 case "facebook":
 134                         $str .= "X-SOCIALPROFILE;type=facebook;x-user=" . $netw->nick . ":" . $netw->url . "\r\n";
 135                         break;
 136                 case "twitter":
 137                         $str .= "X-SOCIALPROFILE;type=twitter;x-user=" . $netw->nick . ":" . $netw->url . "\r\n";
 138                         break;
 139         }
 140
 141         $str .= "END:VCARD\r\n";
 142         return $str;
 143 }
 144
 145
 146 /**
 147  * @param int $phpDate (UTC)
 148  * @return string (Lokalzeit)
 149  */
 150 function wdcal_php2MySqlTime($phpDate)
 151 {
 152         return date("Y-m-d H:i:s", $phpDate);
 153 }
 154
 155 /**
 156  * @param string $sqlDate
 157  * @return int
 158  */
 159 function wdcal_mySql2PhpTime($sqlDate)
 160 {
 161         $ts = DateTime::createFromFormat("Y-m-d H:i:s", $sqlDate);
 162         return $ts->format("U");
 163 }
 164
 165 /**
 166  * @param string $myqlDate
 167  * @return array
 168  */
 169 function wdcal_mySql2icalTime($myqlDate)
 170 {
 171         $x             = explode(" ", $myqlDate);
 172         $y             = explode("-", $x[0]);
 173         $ret           = array("year"=> $y[0], "month"=> $y[1], "day"=> $y[2]);
 174         $y             = explode(":", $x[1]);
 175         $ret["hour"]   = $y[0];
 176         $ret["minute"] = $y[1];
 177         $ret["second"] = $y[2];
 178         return $ret;
 179 }
 180
 181
 182 /**
 183  * @param string $str
 184  * @return string
 185  */
 186 function icalendar_sanitize_string($str = "")
 187 {
 188         $str = str_replace("\r\n", "\n", $str);
 189         $str = str_replace("\n\r", "\n", $str);
 190         $str = str_replace("\r", "\n", $str);
 191         $str = str_replace("\n\n", "\n", $str);
 192         $str = str_replace("\n\n", "\n", $str);
 193         return $str;
 194 }
 195
 196
 197 /**
 198  * @return Sabre_CalDAV_AnimexxCalendarRootNode
 199  */
 200 function dav_createRootCalendarNode()
 201 {
 202         $caldavBackend_std       = Sabre_CalDAV_Backend_Private::getInstance();
 203         $caldavBackend_community = Sabre_CalDAV_Backend_Friendica::getInstance();
 204
 205         return new Sabre_CalDAV_AnimexxCalendarRootNode(Sabre_DAVACL_PrincipalBackend_Std::getInstance(), array(
 206                 $caldavBackend_std,
 207                 $caldavBackend_community,
 208         ));
 209 }
 210
 211 /**
 212  * @return Sabre_CardDAV_AddressBookRootFriendica
 213  */
 214 function dav_createRootContactsNode()
 215 {
 216         $carddavBackend_std       = Sabre_CardDAV_Backend_Std::getInstance();
 217         $carddavBackend_community = Sabre_CardDAV_Backend_FriendicaCommunity::getInstance();
 218
 219         return new Sabre_CardDAV_AddressBookRootFriendica(Sabre_DAVACL_PrincipalBackend_Std::getInstance(), array(
 220                 $carddavBackend_std,
 221                 $carddavBackend_community,
 222         ));
 223 }
 224
 225
 226 /**
 227  * @param bool $force_authentication
 228  * @param bool $needs_caldav
 229  * @param bool $needs_carddav
 230  * @return Sabre_DAV_Server
 231  */
 232 function dav_create_server($force_authentication = false, $needs_caldav = true, $needs_carddav = true)
 233 {
 234         $arr = array(
 235                 new Sabre_DAV_SimpleCollection('principals', array(
 236                         new Sabre_CalDAV_Principal_Collection(Sabre_DAVACL_PrincipalBackend_Std::getInstance(), "principals/users"),
 237                 )),
 238         );
 239         if ($needs_caldav) $arr[] = dav_createRootCalendarNode();
 240         if ($needs_carddav) $arr[] = dav_createRootContactsNode();
 241
 242
 243         $tree = new Sabre_DAV_SimpleCollection('root', $arr);
 244
 245 // The object tree needs in turn to be passed to the server class
 246         $server = new Sabre_DAV_Server($tree);
 247
 248         $server->setBaseUri(CALDAV_URL_PREFIX);
 249
 250         $authPlugin = new Sabre_DAV_Auth_Plugin(Sabre_DAV_Auth_Backend_Std::getInstance(), 'SabreDAV');
 251         $server->addPlugin($authPlugin);
 252
 253         $aclPlugin                      = new Sabre_DAVACL_Plugin_Friendica();
 254         $aclPlugin->defaultUsernamePath = "principals/users";
 255         $server->addPlugin($aclPlugin);
 256
 257         if ($needs_caldav) {
 258                 $caldavPlugin = new Sabre_CalDAV_Plugin();
 259                 $server->addPlugin($caldavPlugin);
 260         }
 261         if ($needs_carddav) {
 262                 $carddavPlugin = new Sabre_CardDAV_Plugin();
 263                 $server->addPlugin($carddavPlugin);
 264         }
 265
 266         if ($force_authentication) $server->broadcastEvent('beforeMethod', array("GET", "/")); // Make it authenticate
 267
 268         return $server;
 269 }
 270
 271
 272 /**
 273  * @param Sabre_DAV_Server $server
 274  * @param string $with_privilege
 275  * @return array|Sabre_CalDAV_Calendar[]
 276  */
 277 function dav_get_current_user_calendars(&$server, $with_privilege = "")
 278 {
 279         if ($with_privilege == "") $with_privilege = DAV_ACL_READ;
 280
 281         $a             = get_app();
 282         $calendar_path = "/calendars/" . strtolower($a->user["nickname"]) . "/";
 283
 284         /** @var Sabre_CalDAV_AnimexxUserCalendars $tree  */
 285         $tree = $server->tree->getNodeForPath($calendar_path);
 286         /** @var array|Sabre_CalDAV_Calendar[] $calendars  */
 287         $children = $tree->getChildren();
 288
 289         $calendars = array();
 290         /** @var Sabre_DAVACL_Plugin $aclplugin  */
 291         $aclplugin = $server->getPlugin("acl");
 292         foreach ($children as $child) if (is_a($child, "Sabre_CalDAV_Calendar")) {
 293                 if ($with_privilege != "") {
 294                         $caluri = $calendar_path . $child->getName();
 295                         if ($aclplugin->checkPrivileges($caluri, $with_privilege, Sabre_DAVACL_Plugin::R_PARENT, false)) $calendars[] = $child;
 296                 } else {
 297                         $calendars[] = $child;
 298                 }
 299         }
 300         return $calendars;
 301 }
 302
 303
 304 /**
 305  * @param Sabre_DAV_Server $server
 306  * @param Sabre_CalDAV_Calendar $calendar
 307  * @param string $calendarobject_uri
 308  * @param string $with_privilege
 309  * @return null|Sabre_VObject_Component_VEvent
 310  */
 311 function dav_get_current_user_calendarobject(&$server, &$calendar, $calendarobject_uri, $with_privilege = "")
 312 {
 313         $obj = $calendar->getChild($calendarobject_uri);
 314
 315         if ($with_privilege == "") $with_privilege = DAV_ACL_READ;
 316
 317         $a   = get_app();
 318         $uri = "/calendars/" . strtolower($a->user["nickname"]) . "/" . $calendar->getName() . "/" . $calendarobject_uri;
 319
 320         /** @var Sabre_DAVACL_Plugin $aclplugin  */
 321         $aclplugin = $server->getPlugin("acl");
 322         if (!$aclplugin->checkPrivileges($uri, $with_privilege, Sabre_DAVACL_Plugin::R_PARENT, false)) return null;
 323
 324         $data    = $obj->get();
 325         $vObject = Sabre_VObject_Reader::read($data);
 326
 327         return $vObject;
 328 }
 329
 330
 331 /**
 332  * @param Sabre_DAV_Server $server
 333  * @param int $id
 334  * @param string $with_privilege
 335  * @return null|Sabre_CalDAV_Calendar
 336  */
 337 function dav_get_current_user_calendar_by_id(&$server, $id, $with_privilege = "")
 338 {
 339         $calendars = dav_get_current_user_calendars($server, $with_privilege);
 340
 341         $calendar = null;
 342         foreach ($calendars as $cal) {
 343                 $prop = $cal->getProperties(array("id"));
 344                 if (isset($prop["id"]) && $prop["id"] == $id) $calendar = $cal;
 345         }
 346
 347         return $calendar;
 348 }
 349
 350
 351 /**
 352  * @param string $uid
 353  * @return Sabre_VObject_Component_VEvent $vObject
 354  */
 355 function dav_create_empty_vevent($uid = "")
 356 {
 357         $a = get_app();
 358         if ($uid == "") $uid = uniqid();
 359         return Sabre_VObject_Reader::read("BEGIN:VCALENDAR\r\nVERSION:2.0\r\nPRODID:-//Friendica//DAV-Plugin//EN\r\nBEGIN:VEVENT\r\nUID:" . $uid . "@" . $a->get_hostname() .
 360                 "\r\nDTSTAMP:" . date("Ymd") . "T" . date("His") . "Z\r\nEND:VEVENT\r\nEND:VCALENDAR\r\n");
 361 }
 362
 363
 364
 365
 366 /**
 367  * @param Sabre_VObject_Component_VEvent $vObject
 368  * @return Sabre_VObject_Component_VEvent|null
 369  */
 370 function dav_get_eventComponent(&$vObject)
 371 {
 372         $component     = null;
 373         $componentType = "";
 374         foreach ($vObject->getComponents() as $component) {
 375                 if ($component->name !== 'VTIMEZONE') {
 376                         $componentType = $component->name;
 377                         break;
 378                 }
 379         }
 380         if ($componentType != "VEVENT") return null;
 381
 382         return $component;
 383 }