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
   8
   9 class vcard_source_data_email
  10 {
  11         public $email, $type;
  12
  13         function __construct($type, $email)
  14         {
  15                 $this->email = $email;
  16                 $this->type  = $type;
  17         }
  18 }
  19
  20 class vcard_source_data_homepage
  21 {
  22         public $homepage, $type;
  23
  24         function __construct($type, $homepage)
  25         {
  26                 $this->homepage = $homepage;
  27                 $this->type     = $type;
  28         }
  29 }
  30
  31 class vcard_source_data_telephone
  32 {
  33         public $telephone, $type;
  34
  35         function __construct($type, $telephone)
  36         {
  37                 $this->telephone = $telephone;
  38                 $this->type      = $type;
  39         }
  40 }
  41
  42 class vcard_source_data_socialnetwork
  43 {
  44         public $nick, $type, $url;
  45
  46         function __construct($type, $nick, $url)
  47         {
  48                 $this->nick = $nick;
  49                 $this->type = $type;
  50                 $this->url  = $url;
  51         }
  52 }
  53
  54 class vcard_source_data_address
  55 {
  56         public $street, $street2, $zip, $city, $country, $type;
  57 }
  58
  59 class vcard_source_data_photo
  60 {
  61         public $binarydata;
  62         public $width, $height;
  63         public $type;
  64 }
  65
  66 class vcard_source_data
  67 {
  68         function __construct($name_first, $name_middle, $name_last)
  69         {
  70                 $this->name_first  = $name_first;
  71                 $this->name_middle = $name_middle;
  72                 $this->name_last   = $name_last;
  73         }
  74
  75         public $name_first, $name_middle, $name_last;
  76         public $last_update;
  77         public $picture_data;
  78
  79         /** @var array|vcard_source_data_telephone[] $telephones */
  80         public $telephones;
  81
  82         /** @var array|vcard_source_data_homepage[] $homepages */
  83         public $homepages;
  84
  85         /** @var array|vcard_source_data_socialnetwork[] $socialnetworks */
  86         public $socialnetworks;
  87
  88         /** @var array|vcard_source_data_email[] $email */
  89         public $emails;
  90
  91         /** @var array|vcard_source_data_address[] $addresses */
  92         public $addresses;
  93
  94         /** @var vcard_source_data_photo */
  95         public $photo;
  96 }
  97
  98 ;
  99
 100
 101 /**
 102  * @param vcard_source_data $vcardsource
 103  * @return string
 104  */
 105 function vcard_source_compile($vcardsource)
 106 {
 107         $str = "BEGIN:VCARD\r\nVERSION:3.0\r\nPRODID:-//Friendica//DAV-Plugin//EN\r\n";
 108         $str .= "N:" . str_replace(";", ",", $vcardsource->name_last) . ";" . str_replace(";", ",", $vcardsource->name_first) . ";" . str_replace(";", ",", $vcardsource->name_middle) . ";;\r\n";
 109         $str .= "FN:" . str_replace(";", ",", $vcardsource->name_first) . " " . str_replace(";", ",", $vcardsource->name_middle) . " " . str_replace(";", ",", $vcardsource->name_last) . "\r\n";
 110         $str .= "REV:" . str_replace(" ", "T", $vcardsource->last_update) . "Z\r\n";
 111
 112         $item_count = 0;
 113         for ($i = 0; $i < count($vcardsource->homepages); $i++) {
 114                 if ($i == 0) $str .= "URL;type=" . $vcardsource->homepages[0]->type . ":" . $vcardsource->homepages[0]->homepage . "\r\n";
 115                 else {
 116                         $c = ++$item_count;
 117                         $str .= "item$c.URL;type=" . $vcardsource->homepages[0]->type . ":" . $vcardsource->homepages[0]->homepage . "\r\n";
 118                         $str .= "item$c.X-ABLabel:_\$!<HomePage>!\$_\r\n";
 119                 }
 120         }
 121
 122         if (is_object($vcardsource->photo)) {
 123                 $data = base64_encode($vcardsource->photo->binarydata);
 124                 $str .= "PHOTO;ENCODING=BASE64;TYPE=" . $vcardsource->photo->type . ":" . $data . "\r\n";
 125         }
 126
 127         if (isset($vcardsource->socialnetworks) && is_array($vcardsource->socialnetworks)) foreach ($vcardsource->socialnetworks as $netw) switch ($netw->type) {
 128                 case "dfrn":
 129                         $str .= "X-SOCIALPROFILE;type=dfrn;x-user=" . $netw->nick . ":" . $netw->url . "\r\n";
 130                         break;
 131                 case "facebook":
 132                         $str .= "X-SOCIALPROFILE;type=facebook;x-user=" . $netw->nick . ":" . $netw->url . "\r\n";
 133                         break;
 134                 case "twitter":
 135                         $str .= "X-SOCIALPROFILE;type=twitter;x-user=" . $netw->nick . ":" . $netw->url . "\r\n";
 136                         break;
 137         }
 138
 139         $str .= "END:VCARD\r\n";
 140         return $str;
 141 }
 142
 143
 144 /**
 145  * @param int $phpDate (UTC)
 146  * @return string (Lokalzeit)
 147  */
 148 function wdcal_php2MySqlTime($phpDate)
 149 {
 150         return date("Y-m-d H:i:s", $phpDate);
 151 }
 152
 153 /**
 154  * @param string $sqlDate
 155  * @return int
 156  */
 157 function wdcal_mySql2PhpTime($sqlDate)
 158 {
 159         $ts = DateTime::createFromFormat("Y-m-d H:i:s", $sqlDate);
 160         return $ts->format("U");
 161 }
 162
 163 /**
 164  * @param string $myqlDate
 165  * @return array
 166  */
 167 function wdcal_mySql2icalTime($myqlDate)
 168 {
 169         $x             = explode(" ", $myqlDate);
 170         $y             = explode("-", $x[0]);
 171         $ret           = array("year"=> $y[0], "month"=> $y[1], "day"=> $y[2]);
 172         $y             = explode(":", $x[1]);
 173         $ret["hour"]   = $y[0];
 174         $ret["minute"] = $y[1];
 175         $ret["second"] = $y[2];
 176         return $ret;
 177 }
 178
 179
 180 /**
 181  * @param string $str
 182  * @return string
 183  */
 184 function icalendar_sanitize_string($str = "")
 185 {
 186         $str = str_replace("\r\n", "\n", $str);
 187         $str = str_replace("\n\r", "\n", $str);
 188         $str = str_replace("\r", "\n", $str);
 189         $str = str_replace("\n\n", "\n", $str);
 190         $str = str_replace("\n\n", "\n", $str);
 191         return $str;
 192 }
 193
 194
 195 /**
 196  * @return Sabre_CalDAV_AnimexxCalendarRootNode
 197  */
 198 function dav_createRootCalendarNode()
 199 {
 200         $caldavBackend_std       = Sabre_CalDAV_Backend_Private::getInstance();
 201         $caldavBackend_community = Sabre_CalDAV_Backend_Friendica::getInstance();
 202
 203         return new Sabre_CalDAV_AnimexxCalendarRootNode(Sabre_DAVACL_PrincipalBackend_Std::getInstance(), array(
 204                 $caldavBackend_std,
 205                 $caldavBackend_community,
 206         ));
 207 }
 208
 209 /**
 210  * @return Sabre_CardDAV_AddressBookRootFriendica
 211  */
 212 function dav_createRootContactsNode()
 213 {
 214         $carddavBackend_std       = Sabre_CardDAV_Backend_Std::getInstance();
 215         $carddavBackend_community = Sabre_CardDAV_Backend_FriendicaCommunity::getInstance();
 216
 217         return new Sabre_CardDAV_AddressBookRootFriendica(Sabre_DAVACL_PrincipalBackend_Std::getInstance(), array(
 218                 $carddavBackend_std,
 219                 $carddavBackend_community,
 220         ));
 221 }
 222
 223
 224 /**
 225  * @param bool $force_authentication
 226  * @param bool $needs_caldav
 227  * @param bool $needs_carddav
 228  * @return Sabre_DAV_Server
 229  */
 230 function dav_create_server($force_authentication = false, $needs_caldav = true, $needs_carddav = true)
 231 {
 232         $arr = array(
 233                 new Sabre_DAV_SimpleCollection('principals', array(
 234                         new Sabre_CalDAV_Principal_Collection(Sabre_DAVACL_PrincipalBackend_Std::getInstance(), "principals/users"),
 235                 )),
 236         );
 237         if ($needs_caldav) $arr[] = dav_createRootCalendarNode();
 238         if ($needs_carddav) $arr[] = dav_createRootContactsNode();
 239
 240
 241         $tree = new Sabre_DAV_SimpleCollection('root', $arr);
 242
 243 // The object tree needs in turn to be passed to the server class
 244         $server = new Sabre_DAV_Server($tree);
 245
 246         $server->setBaseUri(CALDAV_URL_PREFIX);
 247
 248         $authPlugin = new Sabre_DAV_Auth_Plugin(Sabre_DAV_Auth_Backend_Std::getInstance(), 'SabreDAV');
 249         $server->addPlugin($authPlugin);
 250
 251         $aclPlugin                      = new Sabre_DAVACL_Plugin_Friendica();
 252         $aclPlugin->defaultUsernamePath = "principals/users";
 253         $server->addPlugin($aclPlugin);
 254
 255         if ($needs_caldav) {
 256                 $caldavPlugin = new Sabre_CalDAV_Plugin();
 257                 $server->addPlugin($caldavPlugin);
 258         }
 259         if ($needs_carddav) {
 260                 $carddavPlugin = new Sabre_CardDAV_Plugin();
 261                 $server->addPlugin($carddavPlugin);
 262         }
 263
 264         if ($force_authentication) $server->broadcastEvent('beforeMethod', array("GET", "/")); // Make it authenticate
 265
 266         return $server;
 267 }
 268
 269
 270 /**
 271  * @param Sabre_DAV_Server $server
 272  * @param string $with_privilege
 273  * @return array|Sabre_CalDAV_Calendar[]
 274  */
 275 function dav_get_current_user_calendars(&$server, $with_privilege = "")
 276 {
 277         if ($with_privilege == "") $with_privilege = DAV_ACL_READ;
 278
 279         $a             = get_app();
 280         $calendar_path = "/calendars/" . strtolower($a->user["nickname"]) . "/";
 281
 282         /** @var Sabre_CalDAV_AnimexxUserCalendars $tree  */
 283         $tree = $server->tree->getNodeForPath($calendar_path);
 284         /** @var array|Sabre_CalDAV_Calendar[] $calendars  */
 285         $children = $tree->getChildren();
 286
 287         $calendars = array();
 288         /** @var Sabre_DAVACL_Plugin $aclplugin  */
 289         $aclplugin = $server->getPlugin("acl");
 290         foreach ($children as $child) if (is_a($child, "Sabre_CalDAV_Calendar")) {
 291                 if ($with_privilege != "") {
 292                         $caluri = $calendar_path . $child->getName();
 293                         if ($aclplugin->checkPrivileges($caluri, $with_privilege, Sabre_DAVACL_Plugin::R_PARENT, false)) $calendars[] = $child;
 294                 } else {
 295                         $calendars[] = $child;
 296                 }
 297         }
 298         return $calendars;
 299 }
 300
 301
 302 /**
 303  * @param Sabre_DAV_Server $server
 304  * @param Sabre_CalDAV_Calendar $calendar
 305  * @param string $calendarobject_uri
 306  * @param string $with_privilege
 307  * @return null|Sabre_VObject_Component_VEvent
 308  */
 309 function dav_get_current_user_calendarobject(&$server, &$calendar, $calendarobject_uri, $with_privilege = "")
 310 {
 311         $obj = $calendar->getChild($calendarobject_uri);
 312
 313         if ($with_privilege == "") $with_privilege = DAV_ACL_READ;
 314
 315         $a   = get_app();
 316         $uri = "/calendars/" . strtolower($a->user["nickname"]) . "/" . $calendar->getName() . "/" . $calendarobject_uri;
 317
 318         /** @var Sabre_DAVACL_Plugin $aclplugin  */
 319         $aclplugin = $server->getPlugin("acl");
 320         if (!$aclplugin->checkPrivileges($uri, $with_privilege, Sabre_DAVACL_Plugin::R_PARENT, false)) return null;
 321
 322         $data    = $obj->get();
 323         $vObject = Sabre_VObject_Reader::read($data);
 324
 325         return $vObject;
 326 }
 327
 328
 329 /**
 330  * @param Sabre_DAV_Server $server
 331  * @param int $id
 332  * @param string $with_privilege
 333  * @return null|Sabre_CalDAV_Calendar
 334  */
 335 function dav_get_current_user_calendar_by_id(&$server, $id, $with_privilege = "")
 336 {
 337         $calendars = dav_get_current_user_calendars($server, $with_privilege);
 338
 339         $calendar = null;
 340         foreach ($calendars as $cal) {
 341                 $prop = $cal->getProperties(array("id"));
 342                 if (isset($prop["id"]) && $prop["id"] == $id) $calendar = $cal;
 343         }
 344
 345         return $calendar;
 346 }
 347
 348
 349 /**
 350  * @param string $uid
 351  * @return Sabre_VObject_Component_VEvent $vObject
 352  */
 353 function dav_create_empty_vevent($uid = "")
 354 {
 355         $a = get_app();
 356         if ($uid == "") $uid = uniqid();
 357         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() .
 358                 "\r\nDTSTAMP:" . date("Ymd") . "T" . date("His") . "Z\r\nEND:VEVENT\r\nEND:VCALENDAR\r\n");
 359 }
 360
 361
 362
 363
 364 /**
 365  * @param Sabre_VObject_Component_VEvent $vObject
 366  * @return Sabre_VObject_Component_VEvent|null
 367  */
 368 function dav_get_eventComponent(&$vObject)
 369 {
 370         $component     = null;
 371         $componentType = "";
 372         foreach ($vObject->getComponents() as $component) {
 373                 if ($component->name !== 'VTIMEZONE') {
 374                         $componentType = $component->name;
 375                         break;
 376                 }
 377         }
 378         if ($componentType != "VEVENT") return null;
 379
 380         return $component;
 381 }