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927 lines
31 KiB
PHP
927 lines
31 KiB
PHP
<?php
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/**
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+-----------------------------------------------------------------------+
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| This file is part of the Roundcube Webmail client |
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| Copyright (C) The Roundcube Dev Team |
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| Licensed under the GNU General Public License version 3 or |
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| any later version with exceptions for skins & plugins. |
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| See the README file for a full license statement. |
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| PURPOSE: |
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| Logical representation of a vcard address record |
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+-----------------------------------------------------------------------+
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| Author: Thomas Bruederli <roundcube@gmail.com> |
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| Author: Aleksander Machniak <alec@alec.pl> |
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+-----------------------------------------------------------------------+
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*/
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/**
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* Logical representation of a vcard-based address record
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* Provides functions to parse and export vCard data format
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*
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* @package Framework
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* @subpackage Addressbook
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*/
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class rcube_vcard
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{
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private static $values_decoded = false;
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private $raw = array(
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'FN' => array(),
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'N' => array(array('','','','','')),
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);
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private static $fieldmap = array(
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'phone' => 'TEL',
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'birthday' => 'BDAY',
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'website' => 'URL',
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'notes' => 'NOTE',
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'email' => 'EMAIL',
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'address' => 'ADR',
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'jobtitle' => 'TITLE',
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'department' => 'X-DEPARTMENT',
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'gender' => 'X-GENDER',
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'maidenname' => 'X-MAIDENNAME',
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'anniversary' => 'X-ANNIVERSARY',
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'assistant' => 'X-ASSISTANT',
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'manager' => 'X-MANAGER',
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'spouse' => 'X-SPOUSE',
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'edit' => 'X-AB-EDIT',
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'groups' => 'CATEGORIES',
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);
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private $typemap = array(
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'IPHONE' => 'mobile',
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'CELL' => 'mobile',
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'WORK,FAX' => 'workfax',
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);
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private $phonetypemap = array(
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'HOME1' => 'HOME',
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'BUSINESS1' => 'WORK',
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'BUSINESS2' => 'WORK2',
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'BUSINESSFAX' => 'WORK,FAX',
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'MOBILE' => 'CELL',
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);
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private $addresstypemap = array(
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'BUSINESS' => 'WORK',
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);
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private $immap = array(
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'X-JABBER' => 'jabber',
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'X-ICQ' => 'icq',
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'X-MSN' => 'msn',
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'X-AIM' => 'aim',
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'X-YAHOO' => 'yahoo',
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'X-SKYPE' => 'skype',
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'X-SKYPE-USERNAME' => 'skype',
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);
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public $business = false;
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public $displayname;
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public $surname;
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public $firstname;
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public $middlename;
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public $nickname;
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public $organization;
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public $email = array();
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public static $eol = "\r\n";
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/**
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* Constructor
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*
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* @param string $vcard vCard content
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* @param string $charset Charset of string values
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* @param bool $detect True if loading a 'foreign' vcard and extra heuristics
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* for charset detection is required
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* @param array $fieldmap Fields mapping definition
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*/
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public function __construct($vcard = null, $charset = RCUBE_CHARSET, $detect = false, $fieldmap = array())
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{
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if (!empty($fieldmap)) {
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$this->extend_fieldmap($fieldmap);
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}
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if (!empty($vcard)) {
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$this->load($vcard, $charset, $detect);
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}
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}
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/**
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* Load record from (internal, unfolded) vcard 3.0 format
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*
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* @param string $vcard vCard string to parse
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* @param string $charset Charset of string values
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* @param bool $detect True if loading a 'foreign' vcard and extra heuristics
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* for charset detection is required
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*/
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public function load($vcard, $charset = RCUBE_CHARSET, $detect = false)
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{
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self::$values_decoded = false;
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$this->raw = self::vcard_decode(self::cleanup($vcard));
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// resolve charset parameters
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if ($charset == null) {
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$this->raw = self::charset_convert($this->raw);
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}
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// vcard has encoded values and charset should be detected
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else if ($detect && self::$values_decoded
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&& ($detected_charset = self::detect_encoding(self::vcard_encode($this->raw)))
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&& $detected_charset != RCUBE_CHARSET
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) {
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$this->raw = self::charset_convert($this->raw, $detected_charset);
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}
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// find well-known address fields
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$this->displayname = $this->raw['FN'][0][0];
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$this->surname = $this->raw['N'][0][0];
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$this->firstname = $this->raw['N'][0][1];
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$this->middlename = $this->raw['N'][0][2];
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$this->nickname = $this->raw['NICKNAME'][0][0];
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$this->organization = $this->raw['ORG'][0][0];
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$this->business = ($this->raw['X-ABSHOWAS'][0][0] == 'COMPANY') || (implode('', (array)$this->raw['N'][0]) == '' && !empty($this->organization));
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foreach ((array)$this->raw['EMAIL'] as $i => $raw_email) {
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$this->email[$i] = is_array($raw_email) ? $raw_email[0] : $raw_email;
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}
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// make the pref e-mail address the first entry in $this->email
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$pref_index = $this->get_type_index('EMAIL', 'pref');
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if ($pref_index > 0) {
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$tmp = $this->email[0];
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$this->email[0] = $this->email[$pref_index];
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$this->email[$pref_index] = $tmp;
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}
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// fix broken vcards from Outlook that only supply ORG but not the required N or FN properties
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if (!strlen(trim($this->displayname . $this->surname . $this->firstname)) && strlen($this->organization)) {
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$this->displayname = $this->organization;
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}
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}
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/**
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* Return vCard data as associative array to be unsed in Roundcube address books
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*
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* @return array Hash array with key-value pairs
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*/
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public function get_assoc()
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{
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$out = array('name' => $this->displayname);
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$typemap = $this->typemap;
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// copy name fields to output array
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foreach (array('firstname','surname','middlename','nickname','organization') as $col) {
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if (strlen($this->$col)) {
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$out[$col] = $this->$col;
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}
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}
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if ($this->raw['N'][0][3]) {
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$out['prefix'] = $this->raw['N'][0][3];
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}
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if ($this->raw['N'][0][4]) {
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$out['suffix'] = $this->raw['N'][0][4];
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}
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// convert from raw vcard data into associative data for Roundcube
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foreach (array_flip(self::$fieldmap) as $tag => $col) {
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foreach ((array)$this->raw[$tag] as $i => $raw) {
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if (is_array($raw)) {
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$k = -1;
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$key = $col;
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$subtype = '';
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if (!empty($raw['type'])) {
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$raw['type'] = array_map('strtolower', $raw['type']);
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$combined = implode(',', array_diff($raw['type'], array('internet', 'pref')));
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$combined = strtoupper($combined);
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if ($typemap[$combined]) {
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$subtype = $typemap[$combined];
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}
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else if ($typemap[$raw['type'][++$k]]) {
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$subtype = $typemap[$raw['type'][$k]];
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}
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else {
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$subtype = $raw['type'][$k];
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}
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while ($k < count($raw['type']) && ($subtype == 'internet' || $subtype == 'pref')) {
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$subtype = $typemap[$raw['type'][++$k]] ?: $raw['type'][$k];
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}
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}
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// read vcard 2.1 subtype
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if (!$subtype) {
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foreach ($raw as $k => $v) {
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if (!is_numeric($k) && $v === true && ($k = strtolower($k))
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&& !in_array($k, array('pref','internet','voice','base64'))
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) {
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$k_uc = strtoupper($k);
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$subtype = $typemap[$k_uc] ?: $k;
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break;
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}
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}
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}
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// force subtype if none set
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if (!$subtype && preg_match('/^(email|phone|address|website)/', $key)) {
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$subtype = 'other';
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}
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if ($subtype) {
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$key .= ':' . $subtype;
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}
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// split ADR values into assoc array
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if ($tag == 'ADR') {
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list(,, $value['street'], $value['locality'], $value['region'], $value['zipcode'], $value['country']) = $raw;
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$out[$key][] = $value;
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}
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else {
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$out[$key][] = $raw[0];
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}
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}
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else {
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$out[$col][] = $raw;
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}
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}
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}
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// handle special IM fields as used by Apple
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foreach ($this->immap as $tag => $type) {
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foreach ((array)$this->raw[$tag] as $i => $raw) {
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$out['im:'.$type][] = $raw[0];
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}
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}
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// copy photo data
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if ($this->raw['PHOTO']) {
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$out['photo'] = $this->raw['PHOTO'][0][0];
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}
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return $out;
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}
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/**
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* Convert the data structure into a vcard 3.0 string
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*
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* @param bool $folder Use RFC2425 folding
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*
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* @return string vCard output
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*/
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public function export($folded = true)
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{
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$vcard = self::vcard_encode($this->raw);
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return $folded ? self::rfc2425_fold($vcard) : $vcard;
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}
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/**
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* Clear the given fields in the loaded vcard data
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*
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* @param array List of field names to be reset
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*/
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public function reset($fields = null)
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{
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if (!$fields) {
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$fields = array('FN', 'N', 'ORG', 'NICKNAME', 'EMAIL', 'ADR', 'BDAY');
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$fields = array_merge(array_values(self::$fieldmap), array_keys($this->immap), $fields);
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}
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foreach ($fields as $f) {
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unset($this->raw[$f]);
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}
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if (!$this->raw['N']) {
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$this->raw['N'] = array(array('','','','',''));
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}
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if (!$this->raw['FN']) {
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$this->raw['FN'] = array();
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}
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$this->email = array();
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}
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/**
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* Setter for address record fields
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*
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* @param string $field Field name
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* @param mixed $value Field value
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* @param string $type Type/section name
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*/
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public function set($field, $value, $type = 'HOME')
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{
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$field = strtolower($field);
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$type_uc = strtoupper($type);
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switch ($field) {
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case 'name':
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case 'displayname':
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$this->raw['FN'][0][0] = $this->displayname = $value;
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break;
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case 'surname':
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$this->raw['N'][0][0] = $this->surname = $value;
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break;
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case 'firstname':
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$this->raw['N'][0][1] = $this->firstname = $value;
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break;
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case 'middlename':
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$this->raw['N'][0][2] = $this->middlename = $value;
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break;
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case 'prefix':
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$this->raw['N'][0][3] = $value;
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break;
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case 'suffix':
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$this->raw['N'][0][4] = $value;
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break;
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case 'nickname':
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$this->raw['NICKNAME'][0][0] = $this->nickname = $value;
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break;
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case 'organization':
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$this->raw['ORG'][0][0] = $this->organization = $value;
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break;
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case 'photo':
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if (strpos($value, 'http:') === 0) {
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// TODO: fetch file from URL and save it locally?
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$this->raw['PHOTO'][0] = array(0 => $value, 'url' => true);
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}
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else {
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$this->raw['PHOTO'][0] = array(0 => $value, 'base64' => (bool) preg_match('![^a-z0-9/=+-]!i', $value));
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}
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break;
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case 'email':
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$this->raw['EMAIL'][] = array(0 => $value, 'type' => array_filter(array('INTERNET', $type_uc)));
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$this->email[] = $value;
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break;
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case 'im':
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// save IM subtypes into extension fields
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$typemap = array_flip($this->immap);
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if ($field = $typemap[strtolower($type)]) {
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$this->raw[$field][] = array(0 => $value);
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}
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break;
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case 'birthday':
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case 'anniversary':
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if (($val = rcube_utils::anytodatetime($value)) && ($fn = self::$fieldmap[$field])) {
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$this->raw[$fn][] = array(0 => $val->format('Y-m-d'), 'value' => array('date'));
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}
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break;
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case 'address':
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if ($this->addresstypemap[$type_uc]) {
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$type = $this->addresstypemap[$type_uc];
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}
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$value = $value[0] ? $value : array('', '', $value['street'], $value['locality'], $value['region'], $value['zipcode'], $value['country']);
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// fall through if not empty
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if (!strlen(implode('', $value))) {
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break;
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}
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default:
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if ($field == 'phone' && $this->phonetypemap[$type_uc]) {
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$type = $this->phonetypemap[$type_uc];
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}
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if (($tag = self::$fieldmap[$field]) && (is_array($value) || strlen($value))) {
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$this->raw[$tag][] = (array) $value;
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if ($type) {
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$index = count($this->raw[$tag]) - 1;
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$typemap = array_flip($this->typemap);
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$this->raw[$tag][$index]['type'] = explode(',', $typemap[$type_uc] ?: $type);
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}
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}
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else {
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unset($this->raw[$tag]);
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}
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break;
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}
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}
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|
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/**
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* Setter for individual vcard properties
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*
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* @param string $tag VCard tag name
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* @param array $value Value-set of this vcard property
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* @param bool $append Set to true if the value-set should be appended
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* instead of replacing any existing value-set
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*/
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public function set_raw($tag, $value, $append = false)
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{
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$index = $append && isset($this->raw[$tag]) ? count($this->raw[$tag]) : 0;
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$this->raw[$tag][$index] = (array) $value;
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}
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/**
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* Find index with the '$type' attribute
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*
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* @param string $field Field name
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*
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* @return int Field index having $type set
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*/
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private function get_type_index($field)
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{
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$result = 0;
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if ($this->raw[$field]) {
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foreach ($this->raw[$field] as $i => $data) {
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if (is_array($data['type']) && in_array_nocase('pref', $data['type'])) {
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$result = $i;
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}
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}
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}
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return $result;
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}
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|
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/**
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* Convert a whole vcard (array) to UTF-8.
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* If $force_charset is null, each member value that has a charset parameter will be converted
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*/
|
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private static function charset_convert($card, $force_charset = null)
|
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{
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foreach ($card as $key => $node) {
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foreach ($node as $i => $subnode) {
|
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if (is_array($subnode) && (($charset = $force_charset) || ($subnode['charset'] && ($charset = $subnode['charset'][0])))) {
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foreach ($subnode as $j => $value) {
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if (is_numeric($j) && is_string($value)) {
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$card[$key][$i][$j] = rcube_charset::convert($value, $charset);
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}
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}
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unset($card[$key][$i]['charset']);
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}
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}
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}
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return $card;
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}
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|
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/**
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* Extends fieldmap definition
|
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*
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* @param array $map Field mapping definition
|
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*/
|
|
public function extend_fieldmap($map)
|
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{
|
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if (is_array($map)) {
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self::$fieldmap = array_merge($map, self::$fieldmap);
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}
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}
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|
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/**
|
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* Factory method to import a vcard file
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*
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* @param string $data vCard file content
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*
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* @return rcube_vcard[] List of rcube_vcard objects
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*/
|
|
public static function import($data)
|
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{
|
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$out = array();
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// check if charsets are specified (usually vcard version < 3.0 but this is not reliable)
|
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if (preg_match('/charset=/i', substr($data, 0, 2048))) {
|
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$charset = null;
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}
|
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// detect charset and convert to utf-8
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else if (($charset = self::detect_encoding($data)) && $charset != RCUBE_CHARSET) {
|
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$data = rcube_charset::convert($data, $charset);
|
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$data = preg_replace(array('/^[\xFE\xFF]{2}/', '/^\xEF\xBB\xBF/', '/^\x00+/'), '', $data); // also remove BOM
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$charset = RCUBE_CHARSET;
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}
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|
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$vcard_block = '';
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$in_vcard_block = false;
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|
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foreach (preg_split("/[\r\n]+/", $data) as $line) {
|
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if ($in_vcard_block && !empty($line)) {
|
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$vcard_block .= $line . "\n";
|
|
}
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|
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$line = trim($line);
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|
|
if (preg_match('/^END:VCARD$/i', $line)) {
|
|
// parse vcard
|
|
$obj = new rcube_vcard($vcard_block, $charset, true, self::$fieldmap);
|
|
// FN and N is required by vCard format (RFC 2426)
|
|
// on import we can be less restrictive, let's addressbook decide
|
|
if (!empty($obj->displayname) || !empty($obj->surname) || !empty($obj->firstname) || !empty($obj->email)) {
|
|
$out[] = $obj;
|
|
}
|
|
|
|
$in_vcard_block = false;
|
|
}
|
|
else if (preg_match('/^BEGIN:VCARD$/i', $line)) {
|
|
$vcard_block = $line . "\n";
|
|
$in_vcard_block = true;
|
|
}
|
|
}
|
|
|
|
return $out;
|
|
}
|
|
|
|
/**
|
|
* Normalize vcard data for better parsing
|
|
*
|
|
* @param string $vcard vCard block
|
|
*
|
|
* @return string Cleaned vcard block
|
|
*/
|
|
public static function cleanup($vcard)
|
|
{
|
|
// convert Apple X-ABRELATEDNAMES into X-* fields for better compatibility
|
|
$vcard = preg_replace_callback(
|
|
'/item(\d+)\.(X-ABRELATEDNAMES)([^:]*?):(.*?)item\1.X-ABLabel:(?:_\$!<)?([\w() -]*)(?:>!\$_)?./s',
|
|
array('self', 'x_abrelatednames_callback'),
|
|
$vcard);
|
|
|
|
// Cleanup
|
|
$vcard = preg_replace(array(
|
|
// convert special types (like Skype) to normal type='skype' classes with this simple regex ;)
|
|
'/item(\d+)\.(TEL|EMAIL|URL)([^:]*?):(.*?)item\1.X-ABLabel:(?:_\$!<)?([\w() -]*)(?:>!\$_)?./si',
|
|
'/^item\d*\.X-AB.*$/mi', // remove cruft like item1.X-AB*
|
|
'/^item\d*\./mi', // remove item1.ADR instead of ADR
|
|
'/\n+/', // remove empty lines
|
|
'/^(N:[^;\r\n]*)$/m', // if N doesn't have any semicolons, add some
|
|
),
|
|
array(
|
|
'\2;type=\5\3:\4',
|
|
'',
|
|
'',
|
|
"\n",
|
|
'\1;;;;',
|
|
), $vcard);
|
|
|
|
// convert X-WAB-GENDER to X-GENDER
|
|
if (preg_match('/X-WAB-GENDER:(\d)/', $vcard, $matches)) {
|
|
$value = $matches[1] == '2' ? 'male' : 'female';
|
|
$vcard = preg_replace('/X-WAB-GENDER:\d/', 'X-GENDER:' . $value, $vcard);
|
|
}
|
|
|
|
return $vcard;
|
|
}
|
|
|
|
/**
|
|
* Apple X-ABRELATEDNAMES converter callback
|
|
*
|
|
* @param array $matches Matching entries
|
|
*
|
|
* @return string Replacement string
|
|
*/
|
|
private static function x_abrelatednames_callback($matches)
|
|
{
|
|
return 'X-' . strtoupper($matches[5]) . $matches[3] . ':'. $matches[4];
|
|
}
|
|
|
|
/**
|
|
* RFC2425 folding callback
|
|
*
|
|
* @param array $matches Matching entries
|
|
*
|
|
* @return string Replacement string
|
|
*/
|
|
private static function rfc2425_fold_callback($matches)
|
|
{
|
|
// chunk_split string and avoid lines breaking multibyte characters
|
|
$c = 71;
|
|
$out .= substr($matches[1], 0, $c);
|
|
|
|
for ($n = $c; $c < strlen($matches[1]); $c++) {
|
|
// break if length > 75 or mutlibyte character starts after position 71
|
|
if ($n > 75 || ($n > 71 && ord($matches[1][$c]) >> 6 == 3)) {
|
|
$out .= "\r\n ";
|
|
$n = 0;
|
|
}
|
|
|
|
$out .= $matches[1][$c];
|
|
$n++;
|
|
}
|
|
|
|
return $out;
|
|
}
|
|
|
|
/**
|
|
* Apply RFC2425 folding to a vCard content
|
|
*
|
|
* @param string $val vCard content
|
|
*
|
|
* @retunr string Folded vCard string
|
|
*/
|
|
public static function rfc2425_fold($val)
|
|
{
|
|
return preg_replace_callback('/([^\n]{72,})/', array('self', 'rfc2425_fold_callback'), $val);
|
|
}
|
|
|
|
/**
|
|
* Decodes a vcard block (vcard 3.0 format, unfolded) into an array structure
|
|
*
|
|
* @param string $vcard vCard block to parse
|
|
*
|
|
* @return array Raw data structure
|
|
*/
|
|
private static function vcard_decode($vcard)
|
|
{
|
|
// Perform RFC2425 line unfolding and split lines
|
|
$vcard = preg_replace(array("/\r/", "/\n\s+/"), '', $vcard);
|
|
$lines = explode("\n", $vcard);
|
|
$result = array();
|
|
|
|
for ($i=0; $i < count($lines); $i++) {
|
|
if (!($pos = strpos($lines[$i], ':'))) {
|
|
continue;
|
|
}
|
|
|
|
$prefix = substr($lines[$i], 0, $pos);
|
|
$data = substr($lines[$i], $pos+1);
|
|
|
|
if (preg_match('/^(BEGIN|END)$/i', $prefix)) {
|
|
continue;
|
|
}
|
|
|
|
// convert 2.1-style "EMAIL;internet;home:" to 3.0-style "EMAIL;TYPE=internet;TYPE=home:"
|
|
if ($result['VERSION'][0] == "2.1"
|
|
&& preg_match('/^([^;]+);([^:]+)/', $prefix, $regs2)
|
|
&& !preg_match('/^TYPE=/i', $regs2[2])
|
|
) {
|
|
$prefix = $regs2[1];
|
|
foreach (explode(';', $regs2[2]) as $prop) {
|
|
$prefix .= ';' . (strpos($prop, '=') ? $prop : 'TYPE='.$prop);
|
|
}
|
|
}
|
|
|
|
if (preg_match_all('/([^\\;]+);?/', $prefix, $regs2)) {
|
|
$entry = array();
|
|
$field = strtoupper($regs2[1][0]);
|
|
$enc = null;
|
|
|
|
foreach ($regs2[1] as $attrid => $attr) {
|
|
$attr = preg_replace('/[\s\t\n\r\0\x0B]/', '', $attr);
|
|
if ((list($key, $value) = explode('=', $attr)) && $value) {
|
|
if ($key == 'ENCODING') {
|
|
$value = strtoupper($value);
|
|
// add next line(s) to value string if QP line end detected
|
|
if ($value == 'QUOTED-PRINTABLE') {
|
|
while (preg_match('/=$/', $lines[$i])) {
|
|
$data .= "\n" . $lines[++$i];
|
|
}
|
|
}
|
|
$enc = $value == 'BASE64' ? 'B' : $value;
|
|
}
|
|
else {
|
|
$lc_key = strtolower($key);
|
|
$entry[$lc_key] = array_merge((array)$entry[$lc_key], (array)self::vcard_unquote($value, ','));
|
|
}
|
|
}
|
|
else if ($attrid > 0) {
|
|
$entry[strtolower($key)] = true; // true means attr without =value
|
|
}
|
|
}
|
|
|
|
// decode value
|
|
if ($enc || !empty($entry['base64'])) {
|
|
// save encoding type (#1488432)
|
|
if ($enc == 'B') {
|
|
$entry['encoding'] = 'B';
|
|
// should we use vCard 3.0 instead?
|
|
// $entry['base64'] = true;
|
|
}
|
|
|
|
$data = self::decode_value($data, $enc ?: 'base64');
|
|
}
|
|
else if ($field == 'PHOTO') {
|
|
// vCard 4.0 data URI, "PHOTO:data:image/jpeg;base64,..."
|
|
if (preg_match('/^data:[a-z\/_-]+;base64,/i', $data, $m)) {
|
|
$entry['encoding'] = $enc = 'B';
|
|
$data = substr($data, strlen($m[0]));
|
|
$data = self::decode_value($data, 'base64');
|
|
}
|
|
}
|
|
|
|
if ($enc != 'B' && empty($entry['base64'])) {
|
|
$data = self::vcard_unquote($data);
|
|
}
|
|
|
|
if (is_array($data) || (is_string($data) && strlen($data))) {
|
|
$entry = array_merge($entry, (array) $data);
|
|
$result[$field][] = $entry;
|
|
}
|
|
}
|
|
}
|
|
|
|
unset($result['VERSION']);
|
|
|
|
return $result;
|
|
}
|
|
|
|
/**
|
|
* Decode a given string with the encoding rule from ENCODING attributes
|
|
*
|
|
* @param string $value String to decode
|
|
* @param string $encoding Encoding type (quoted-printable and base64 supported)
|
|
*
|
|
* @return string Decoded 8bit value
|
|
*/
|
|
private static function decode_value($value, $encoding)
|
|
{
|
|
switch (strtolower($encoding)) {
|
|
case 'quoted-printable':
|
|
self::$values_decoded = true;
|
|
return quoted_printable_decode($value);
|
|
|
|
case 'base64':
|
|
case 'b':
|
|
self::$values_decoded = true;
|
|
return base64_decode($value);
|
|
|
|
default:
|
|
return $value;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Encodes an entry for storage in our database (vcard 3.0 format, unfolded)
|
|
*
|
|
* @param array $data Raw data structure to encode
|
|
*
|
|
* @return string vCard encoded string
|
|
*/
|
|
static function vcard_encode($data)
|
|
{
|
|
foreach ((array)$data as $type => $entries) {
|
|
// valid N has 5 properties
|
|
while ($type == "N" && is_array($entries[0]) && count($entries[0]) < 5) {
|
|
$entries[0][] = "";
|
|
}
|
|
|
|
// make sure FN is not empty (required by RFC2426)
|
|
if ($type == "FN" && empty($entries)) {
|
|
$entries[0] = $data['EMAIL'][0][0];
|
|
}
|
|
|
|
foreach ((array)$entries as $entry) {
|
|
$attr = '';
|
|
if (is_array($entry)) {
|
|
$value = array();
|
|
foreach ($entry as $attrname => $attrvalues) {
|
|
if (is_int($attrname)) {
|
|
if (!empty($entry['base64']) || $entry['encoding'] == 'B') {
|
|
$attrvalues = base64_encode($attrvalues);
|
|
}
|
|
$value[] = $attrvalues;
|
|
}
|
|
else if (is_bool($attrvalues)) {
|
|
// true means just a tag, not tag=value, as in PHOTO;BASE64:...
|
|
if ($attrvalues) {
|
|
// vCard v3 uses ENCODING=b (#1489183)
|
|
if ($attrname == 'base64') {
|
|
$attr .= ";ENCODING=b";
|
|
}
|
|
else {
|
|
$attr .= strtoupper(";$attrname");
|
|
}
|
|
}
|
|
}
|
|
else {
|
|
foreach ((array)$attrvalues as $attrvalue) {
|
|
$attr .= strtoupper(";$attrname=") . self::vcard_quote($attrvalue, ',');
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else {
|
|
$value = $entry;
|
|
}
|
|
|
|
// skip empty entries
|
|
if (self::is_empty($value)) {
|
|
continue;
|
|
}
|
|
|
|
$vcard .= self::vcard_quote($type) . $attr . ':' . self::vcard_quote($value) . self::$eol;
|
|
}
|
|
}
|
|
|
|
return 'BEGIN:VCARD' . self::$eol . 'VERSION:3.0' . self::$eol . $vcard . 'END:VCARD';
|
|
}
|
|
|
|
/**
|
|
* Join indexed data array to a vcard quoted string
|
|
*
|
|
* @param array $str Field data
|
|
* @param string $sep Separator
|
|
*
|
|
* @return string Joined and quoted string
|
|
*/
|
|
public static function vcard_quote($str, $sep = ';')
|
|
{
|
|
if (is_array($str)) {
|
|
$r = array();
|
|
|
|
foreach ($str as $part) {
|
|
$r[] = self::vcard_quote($part, $sep);
|
|
}
|
|
|
|
return(implode($sep, $r));
|
|
}
|
|
|
|
return strtr($str, array("\\" => "\\\\", "\r" => '', "\n" => '\n', $sep => "\\$sep"));
|
|
}
|
|
|
|
/**
|
|
* Split quoted string
|
|
*
|
|
* @param string $str vCard string to split
|
|
* @param string $sep Separator char/string
|
|
*
|
|
* @return array List with splited values
|
|
*/
|
|
private static function vcard_unquote($str, $sep = ';')
|
|
{
|
|
// break string into parts separated by $sep
|
|
if (!empty($sep)) {
|
|
// Handle properly backslash escaping (#1488896)
|
|
$rep1 = array("\\\\" => "\010", "\\$sep" => "\007");
|
|
$rep2 = array("\007" => "\\$sep", "\010" => "\\\\");
|
|
|
|
if (count($parts = explode($sep, strtr($str, $rep1))) > 1) {
|
|
foreach ($parts as $s) {
|
|
$result[] = self::vcard_unquote(strtr($s, $rep2));
|
|
}
|
|
|
|
return $result;
|
|
}
|
|
|
|
$str = trim(strtr($str, $rep2));
|
|
}
|
|
|
|
// some implementations (GMail) use non-standard backslash before colon (#1489085)
|
|
// we will handle properly any backslashed character - removing dummy backslahes
|
|
// return strtr($str, array("\r" => '', '\\\\' => '\\', '\n' => "\n", '\N' => "\n", '\,' => ',', '\;' => ';'));
|
|
|
|
$str = str_replace("\r", '', $str);
|
|
$pos = 0;
|
|
|
|
while (($pos = strpos($str, "\\", $pos)) !== false) {
|
|
$next = substr($str, $pos + 1, 1);
|
|
if ($next == 'n' || $next == 'N') {
|
|
$str = substr_replace($str, "\n", $pos, 2);
|
|
}
|
|
else {
|
|
$str = substr_replace($str, '', $pos, 1);
|
|
}
|
|
|
|
$pos += 1;
|
|
}
|
|
|
|
return $str;
|
|
}
|
|
|
|
/**
|
|
* Check if vCard entry is empty: empty string or an array with
|
|
* all entries empty.
|
|
*
|
|
* @param string|array $value Attribute value
|
|
*
|
|
* @return bool True if the value is empty, False otherwise
|
|
*/
|
|
private static function is_empty($value)
|
|
{
|
|
foreach ((array)$value as $v) {
|
|
if (strval($v) !== '') {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Returns UNICODE type based on BOM (Byte Order Mark)
|
|
*
|
|
* @param string $string Input string to test
|
|
*
|
|
* @return string Detected encoding
|
|
*/
|
|
private static function detect_encoding($string)
|
|
{
|
|
$fallback = rcube::get_instance()->config->get('default_charset', 'ISO-8859-1'); // fallback to Latin-1
|
|
|
|
return rcube_charset::detect($string, $fallback);
|
|
}
|
|
}
|