dav/friendica/dav_carddav_backend_virtual_friendica.inc.php

   1 <?php
   2
   3 class Sabre_CardDAV_Backend_Friendica extends Sabre_CardDAV_Backend_Virtual
   4 {
   5
   6         /**
   7          * @var null|Sabre_CardDAV_Backend_Friendica
   8          */
   9         private static $instance = null;
  10
  11         /**
  12          * @static
  13          * @return Sabre_CardDAV_Backend_Friendica
  14          */
  15         public static function getInstance() {
  16                 if (self::$instance == null) {
  17                         self::$instance = new Sabre_CardDAV_Backend_Friendica();
  18                 }
  19                 return self::$instance;
  20         }
  21
  22
  23         /**
  24          * @return int
  25          */
  26         public function getNamespace()
  27         {
  28                 return CARDDAV_NAMESPACE_PRIVATE;
  29         }
  30
  31         /**
  32          * @static
  33          * @return string
  34          */
  35         public static function getBackendTypeName() {
  36                 return t("Friendica-Contacts");
  37         }
  38
  39         /**
  40          * Returns the list of addressbooks for a specific user.
  41          *
  42          * @param string $principalUri
  43          * @return array
  44          */
  45         public function getAddressBooksForUser($principalUri)
  46         {
  47                 $uid = dav_compat_principal2uid($principalUri);
  48
  49                 $addressBooks = [];
  50
  51                 $books = q("SELECT id, ctag FROM %s%saddressbooks WHERE `namespace` = %d AND `namespace_id` = %d AND `uri` = '%s'",
  52                         CALDAV_SQL_DB, CALDAV_SQL_PREFIX, CARDDAV_NAMESPACE_PRIVATE, IntVal($uid), dbesc(CARDDAV_FRIENDICA_CONTACT));
  53                 $ctag = $books[0]["ctag"];
  54
  55                 $addressBooks[] = [
  56                         'id'                                                                => $books[0]["id"],
  57                         'uri'                                                               => "friendica",
  58                         'principaluri'                                                      => $principalUri,
  59                         '{DAV:}displayname'                                                 => t("Friendica-Contacts"),
  60                         '{' . Sabre_CardDAV_Plugin::NS_CARDDAV . '}addressbook-description' => t("Your Friendica-Contacts"),
  61                         '{http://calendarserver.org/ns/}getctag'                            => $ctag,
  62                         '{' . Sabre_CardDAV_Plugin::NS_CARDDAV . '}supported-address-data'  =>
  63                         new Sabre_CardDAV_Property_SupportedAddressData(),
  64                 ];
  65
  66                 return $addressBooks;
  67
  68         }
  69
  70         /**
  71          * @static
  72          * @param array $contact
  73          * @return array
  74          */
  75         private static function dav_contactarr2vcardsource($contact)
  76         {
  77                 $name        = explode(" ", $contact["name"]);
  78                 $first_name  = $last_name = "";
  79                 $middle_name = [];
  80                 $num         = count($name);
  81                 for ($i = 0; $i < $num && $first_name == ""; $i++) if ($name[$i] != "") {
  82                         $first_name = $name[$i];
  83                         unset($name[$i]);
  84                 }
  85                 for ($i = $num - 1; $i >= 0 && $last_name == ""; $i--) if (isset($name[$i]) && $name[$i] != "") {
  86                         $last_name = $name[$i];
  87                         unset($name[$i]);
  88                 }
  89                 foreach ($name as $n) if ($n != "") $middle_name[] = $n;
  90                 $vcarddata              = new vcard_source_data($first_name, implode(" ", $middle_name), $last_name);
  91                 $vcarddata->homepages[] = new vcard_source_data_homepage("pref", $contact["url"]);
  92                 $vcarddata->last_update = ($contact["last-update"] > 0 ? $contact["last-update"] : $contact["created"]);
  93
  94                 $photo = q("SELECT * FROM photo WHERE `contact-id` = %d ORDER BY scale DESC", $contact["id"]); //prefer size 80x80
  95                 if ($photo && count($photo) > 0) {
  96                         $photodata             = new vcard_source_data_photo();
  97                         $photodata->width      = $photo[0]["width"];
  98                         $photodata->height     = $photo[0]["height"];
  99                         $photodata->type       = "JPEG";
 100                         $photodata->binarydata = $photo[0]["data"];
 101                         $vcarddata->photo      = $photodata;
 102                 }
 103
 104                 switch ($contact["network"]) {
 105                         case "face":
 106                                 $vcarddata->socialnetworks[] = new vcard_source_data_socialnetwork("facebook", $contact["notify"], "http://www.facebook.com/" . $contact["notify"]);
 107                                 break;
 108                         case "dfrn":
 109                                 $vcarddata->socialnetworks[] = new vcard_source_data_socialnetwork("dfrn", $contact["nick"], $contact["url"]);
 110                                 break;
 111                         case "twitter":
 112                                 $vcarddata->socialnetworks[] = new vcard_source_data_socialnetwork("twitter", $contact["nick"], "http://twitter.com/" . $contact["nick"]); // @TODO Stimmt das?
 113                                 break;
 114                 }
 115
 116                 $vcard = vcard_source_compile($vcarddata);
 117                 return [
 118                         "id"           => $contact["id"],
 119                         "carddata"     => $vcard,
 120                         "uri"          => $contact["id"] . ".vcf",
 121                         "lastmodified" => wdcal_mySql2PhpTime($vcarddata->last_update),
 122                         "etag"         => md5($vcard),
 123                         "size"         => strlen($vcard),
 124                 ];
 125
 126         }
 127
 128         /**
 129          * @static
 130          * @param int $addressbookId
 131          * @param bool $force
 132          * @throws Sabre_DAV_Exception_NotFound
 133          */
 134         static protected function createCache_internal($addressbookId, $force = false) {
 135                 //$notin    = (count($exclude_ids) > 0 ? " AND id NOT IN (" . implode(", ", $exclude_ids) . ") " : "");
 136                 $addressbook = q("SELECT * FROM %s%saddressbooks WHERE `id` = %d", CALDAV_SQL_DB, CALDAV_SQL_PREFIX, IntVal($addressbookId));
 137                 if (count($addressbook) != 1 || $addressbook[0]["namespace"] != CARDDAV_NAMESPACE_PRIVATE) throw new Sabre_DAV_Exception_NotFound();
 138                 $contacts = q("SELECT * FROM `contact` WHERE `uid` = %d AND `blocked` = 0 AND `pending` = 0 AND `hidden` = 0 AND `archive` = 0 ORDER BY `name` ASC", $addressbook[0]["namespace_id"]);
 139
 140                 foreach ($contacts as $contact) {
 141                         $x            = static::dav_contactarr2vcardsource($contact);
 142                         q("INSERT INTO %s%saddressbookobjects (`addressbook_id`, `contact`, `carddata`, `uri`, `lastmodified`, `etag`, `size`) VALUES (%d, %d, '%s', '%s', NOW(), '%s', %d)",
 143                                 CALDAV_SQL_DB, CALDAV_SQL_PREFIX, $addressbookId, $contact["id"], dbesc($x["carddata"]), dbesc($x["uri"]), dbesc($x["etag"]), $x["size"]
 144                         );
 145                 }
 146         }
 147
 148
 149         /**
 150          * @static
 151          * @param int $addressbookId
 152          * @param int $contactId
 153          * @param bool $force
 154          * @throws Sabre_DAV_Exception_NotFound
 155          */
 156         static protected function createCardCache($addressbookId, $contactId, $force = false)
 157         {
 158                 $addressbook = q("SELECT * FROM %s%saddressbooks WHERE `id` = %d", CALDAV_SQL_DB, CALDAV_SQL_PREFIX, IntVal($addressbookId));
 159                 if (count($addressbook) != 1 || $addressbook[0]["namespace"] != CARDDAV_NAMESPACE_PRIVATE) throw new Sabre_DAV_Exception_NotFound();
 160
 161                 $contacts = q("SELECT * FROM `contact` WHERE `uid` = %d AND `blocked` = 0 AND `pending` = 0 AND `hidden` = 0 AND `archive` = 0 AND `id` = %d ORDER BY `name` ASC",
 162                         $addressbook[0]["namespace_id"], IntVal($contactId));
 163                 $contact = $contacts[0];
 164
 165                 $x            = static::dav_contactarr2vcardsource($contact);
 166                 q("INSERT INTO %s%saddressbookobjects (`addressbook_id`, `contact`, `carddata`, `uri`, `lastmodified`, `etag`, `size`) VALUES (%d, %d, '%s', '%s', NOW(), '%s', %d)",
 167                         CALDAV_SQL_DB, CALDAV_SQL_PREFIX, $addressbookId, $contact["id"], dbesc($x["carddata"]), dbesc($x["uri"]), dbesc($x["etag"]), $x["size"]
 168                 );
 169         }
 170         /**
 171          * Updates a card.
 172          *
 173          * The addressbook id will be passed as the first argument. This is the
 174          * same id as it is returned from the getAddressbooksForUser method.
 175          *
 176          * The cardUri is a base uri, and doesn't include the full path. The
 177          * cardData argument is the vcard body, and is passed as a string.
 178          *
 179          * It is possible to return an ETag from this method. This ETag should
 180          * match that of the updated resource, and must be enclosed with double
 181          * quotes (that is: the string itself must contain the actual quotes).
 182          *
 183          * You should only return the ETag if you store the carddata as-is. If a
 184          * subsequent GET request on the same card does not have the same body,
 185          * byte-by-byte and you did return an ETag here, clients tend to get
 186          * confused.
 187          *
 188          * If you don't return an ETag, you can just return null.
 189          *
 190          * @param string $addressBookId
 191          * @param string $cardUri
 192          * @param string $cardData
 193          * @throws Sabre_DAV_Exception_Forbidden
 194          * @return string|null
 195          */
 196         public function updateCard($addressBookId, $cardUri, $cardData)
 197         {
 198                 $x = explode("-", $addressBookId);
 199
 200                 $etag = md5($cardData);
 201                 q("UPDATE %s%scards SET carddata = '%s', lastmodified = %d, etag = '%s', size = %d, manually_edited = 1 WHERE uri = '%s' AND namespace = %d AND namespace_id =%d",
 202                         CALDAV_SQL_DB, CALDAV_SQL_PREFIX, dbesc($cardData), time(), $etag, strlen($cardData), dbesc($cardUri), IntVal($x[10]), IntVal($x[1])
 203                 );
 204                 q('UPDATE %s%saddressbooks_community SET ctag = ctag + 1 WHERE uid = %d', CALDAV_SQL_DB, CALDAV_SQL_PREFIX, IntVal($x[1]));
 205
 206                 return '"' . $etag . '"';
 207         }
 208
 209         /**
 210          * Deletes a card
 211          *
 212          * @param string $addressBookId
 213          * @param string $cardUri
 214          * @throws Sabre_DAV_Exception_Forbidden
 215          * @return bool
 216          */
 217         public function deleteCard($addressBookId, $cardUri)
 218         {
 219                 $x = explode("-", $addressBookId);
 220
 221                 q("UPDATE %s%scards SET manually_deleted = 1 WHERE namespace = %d AND namespace_id = %d AND uri = '%s'", CALDAV_SQL_DB, CALDAV_SQL_PREFIX, IntVal($x[0]), IntVal($x[1]), dbesc($cardUri));
 222                 q('UPDATE %s%saddressbooks_community SET ctag = ctag + 1 WHERE uid = %d', CALDAV_SQL_DB, CALDAV_SQL_PREFIX, IntVal($x[1]));
 223
 224                 return true;
 225         }
 226
 227 }