diff options
Diffstat (limited to 'program/lib/Roundcube')
| -rw-r--r-- | program/lib/Roundcube/rcube_vcard.php | 793 |
1 files changed, 793 insertions, 0 deletions
diff --git a/program/lib/Roundcube/rcube_vcard.php b/program/lib/Roundcube/rcube_vcard.php new file mode 100644 index 000000000..7b59e206d --- /dev/null +++ b/program/lib/Roundcube/rcube_vcard.php @@ -0,0 +1,793 @@ +<?php + +/* + +-----------------------------------------------------------------------+ + | program/include/rcube_vcard.php | + | | + | This file is part of the Roundcube Webmail client | + | Copyright (C) 2008-2012, The Roundcube Dev Team | + | | + | Licensed under the GNU General Public License version 3 or | + | any later version with exceptions for skins & plugins. | + | See the README file for a full license statement. | + | | + | PURPOSE: | + | Logical representation of a vcard address record | + +-----------------------------------------------------------------------+ + | Author: Thomas Bruederli <roundcube@gmail.com> | + | Author: Aleksander Machniak <alec@alec.pl> | + +-----------------------------------------------------------------------+ +*/ + + +/** + * Logical representation of a vcard-based address record + * Provides functions to parse and export vCard data format + * + * @package Framework + * @subpackage Addressbook + */ +class rcube_vcard +{ + private static $values_decoded = false; + private $raw = array( + 'FN' => array(), + 'N' => array(array('','','','','')), + ); + private static $fieldmap = array( + 'phone' => 'TEL', + 'birthday' => 'BDAY', + 'website' => 'URL', + 'notes' => 'NOTE', + 'email' => 'EMAIL', + 'address' => 'ADR', + 'jobtitle' => 'TITLE', + 'department' => 'X-DEPARTMENT', + 'gender' => 'X-GENDER', + 'maidenname' => 'X-MAIDENNAME', + 'anniversary' => 'X-ANNIVERSARY', + 'assistant' => 'X-ASSISTANT', + 'manager' => 'X-MANAGER', + 'spouse' => 'X-SPOUSE', + 'edit' => 'X-AB-EDIT', + ); + private $typemap = array('IPHONE' => 'mobile', 'CELL' => 'mobile', 'WORK,FAX' => 'workfax'); + private $phonetypemap = array('HOME1' => 'HOME', 'BUSINESS1' => 'WORK', 'BUSINESS2' => 'WORK2', 'BUSINESSFAX' => 'WORK,FAX', 'MOBILE' => 'CELL'); + private $addresstypemap = array('BUSINESS' => 'WORK'); + private $immap = array('X-JABBER' => 'jabber', 'X-ICQ' => 'icq', 'X-MSN' => 'msn', 'X-AIM' => 'aim', 'X-YAHOO' => 'yahoo', 'X-SKYPE' => 'skype', 'X-SKYPE-USERNAME' => 'skype'); + + public $business = false; + public $displayname; + public $surname; + public $firstname; + public $middlename; + public $nickname; + public $organization; + public $email = array(); + + public static $eol = "\r\n"; + + /** + * Constructor + */ + public function __construct($vcard = null, $charset = RCMAIL_CHARSET, $detect = false, $fieldmap = array()) + { + if (!empty($fielmap)) + $this->extend_fieldmap($fieldmap); + + if (!empty($vcard)) + $this->load($vcard, $charset, $detect); + } + + + /** + * Load record from (internal, unfolded) vcard 3.0 format + * + * @param string vCard string to parse + * @param string Charset of string values + * @param boolean True if loading a 'foreign' vcard and extra heuristics for charset detection is required + */ + public function load($vcard, $charset = RCMAIL_CHARSET, $detect = false) + { + self::$values_decoded = false; + $this->raw = self::vcard_decode($vcard); + + // resolve charset parameters + if ($charset == null) { + $this->raw = self::charset_convert($this->raw); + } + // vcard has encoded values and charset should be detected + else if ($detect && self::$values_decoded && + ($detected_charset = self::detect_encoding(self::vcard_encode($this->raw))) && $detected_charset != RCMAIL_CHARSET) { + $this->raw = self::charset_convert($this->raw, $detected_charset); + } + + // consider FN empty if the same as the primary e-mail address + if ($this->raw['FN'][0][0] == $this->raw['EMAIL'][0][0]) + $this->raw['FN'][0][0] = ''; + + // find well-known address fields + $this->displayname = $this->raw['FN'][0][0]; + $this->surname = $this->raw['N'][0][0]; + $this->firstname = $this->raw['N'][0][1]; + $this->middlename = $this->raw['N'][0][2]; + $this->nickname = $this->raw['NICKNAME'][0][0]; + $this->organization = $this->raw['ORG'][0][0]; + $this->business = ($this->raw['X-ABSHOWAS'][0][0] == 'COMPANY') || (join('', (array)$this->raw['N'][0]) == '' && !empty($this->organization)); + + foreach ((array)$this->raw['EMAIL'] as $i => $raw_email) + $this->email[$i] = is_array($raw_email) ? $raw_email[0] : $raw_email; + + // make the pref e-mail address the first entry in $this->email + $pref_index = $this->get_type_index('EMAIL', 'pref'); + if ($pref_index > 0) { + $tmp = $this->email[0]; + $this->email[0] = $this->email[$pref_index]; + $this->email[$pref_index] = $tmp; + } + } + + + /** + * Return vCard data as associative array to be unsed in Roundcube address books + * + * @return array Hash array with key-value pairs + */ + public function get_assoc() + { + $out = array('name' => $this->displayname); + $typemap = $this->typemap; + + // copy name fields to output array + foreach (array('firstname','surname','middlename','nickname','organization') as $col) { + if (strlen($this->$col)) + $out[$col] = $this->$col; + } + + if ($this->raw['N'][0][3]) + $out['prefix'] = $this->raw['N'][0][3]; + if ($this->raw['N'][0][4]) + $out['suffix'] = $this->raw['N'][0][4]; + + // convert from raw vcard data into associative data for Roundcube + foreach (array_flip(self::$fieldmap) as $tag => $col) { + foreach ((array)$this->raw[$tag] as $i => $raw) { + if (is_array($raw)) { + $k = -1; + $key = $col; + $subtype = ''; + + if (!empty($raw['type'])) { + $combined = join(',', self::array_filter((array)$raw['type'], 'internet,pref', true)); + $combined = strtoupper($combined); + + if ($typemap[$combined]) { + $subtype = $typemap[$combined]; + } + else if ($typemap[$raw['type'][++$k]]) { + $subtype = $typemap[$raw['type'][$k]]; + } + else { + $subtype = strtolower($raw['type'][$k]); + } + + while ($k < count($raw['type']) && ($subtype == 'internet' || $subtype == 'pref')) + $subtype = $typemap[$raw['type'][++$k]] ? $typemap[$raw['type'][$k]] : strtolower($raw['type'][$k]); + } + + // read vcard 2.1 subtype + if (!$subtype) { + foreach ($raw as $k => $v) { + if (!is_numeric($k) && $v === true && ($k = strtolower($k)) + && !in_array($k, array('pref','internet','voice','base64')) + ) { + $k_uc = strtoupper($k); + $subtype = $typemap[$k_uc] ? $typemap[$k_uc] : $k; + break; + } + } + } + + // force subtype if none set + if (!$subtype && preg_match('/^(email|phone|address|website)/', $key)) + $subtype = 'other'; + + if ($subtype) + $key .= ':' . $subtype; + + // split ADR values into assoc array + if ($tag == 'ADR') { + list(,, $value['street'], $value['locality'], $value['region'], $value['zipcode'], $value['country']) = $raw; + $out[$key][] = $value; + } + else + $out[$key][] = $raw[0]; + } + else { + $out[$col][] = $raw; + } + } + } + + // handle special IM fields as used by Apple + foreach ($this->immap as $tag => $type) { + foreach ((array)$this->raw[$tag] as $i => $raw) { + $out['im:'.$type][] = $raw[0]; + } + } + + // copy photo data + if ($this->raw['PHOTO']) + $out['photo'] = $this->raw['PHOTO'][0][0]; + + return $out; + } + + + /** + * Convert the data structure into a vcard 3.0 string + */ + public function export($folded = true) + { + $vcard = self::vcard_encode($this->raw); + return $folded ? self::rfc2425_fold($vcard) : $vcard; + } + + + /** + * Clear the given fields in the loaded vcard data + * + * @param array List of field names to be reset + */ + public function reset($fields = null) + { + if (!$fields) + $fields = array_merge(array_values(self::$fieldmap), array_keys($this->immap), array('FN','N','ORG','NICKNAME','EMAIL','ADR','BDAY')); + + foreach ($fields as $f) + unset($this->raw[$f]); + + if (!$this->raw['N']) + $this->raw['N'] = array(array('','','','','')); + if (!$this->raw['FN']) + $this->raw['FN'] = array(); + + $this->email = array(); + } + + + /** + * Setter for address record fields + * + * @param string Field name + * @param string Field value + * @param string Type/section name + */ + public function set($field, $value, $type = 'HOME') + { + $field = strtolower($field); + $type_uc = strtoupper($type); + + switch ($field) { + case 'name': + case 'displayname': + $this->raw['FN'][0][0] = $this->displayname = $value; + break; + + case 'surname': + $this->raw['N'][0][0] = $this->surname = $value; + break; + + case 'firstname': + $this->raw['N'][0][1] = $this->firstname = $value; + break; + + case 'middlename': + $this->raw['N'][0][2] = $this->middlename = $value; + break; + + case 'prefix': + $this->raw['N'][0][3] = $value; + break; + + case 'suffix': + $this->raw['N'][0][4] = $value; + break; + + case 'nickname': + $this->raw['NICKNAME'][0][0] = $this->nickname = $value; + break; + + case 'organization': + $this->raw['ORG'][0][0] = $this->organization = $value; + break; + + case 'photo': + if (strpos($value, 'http:') === 0) { + // TODO: fetch file from URL and save it locally? + $this->raw['PHOTO'][0] = array(0 => $value, 'url' => true); + } + else { + $this->raw['PHOTO'][0] = array(0 => $value, 'base64' => (bool) preg_match('![^a-z0-9/=+-]!i', $value)); + } + break; + + case 'email': + $this->raw['EMAIL'][] = array(0 => $value, 'type' => array_filter(array('INTERNET', $type_uc))); + $this->email[] = $value; + break; + + case 'im': + // save IM subtypes into extension fields + $typemap = array_flip($this->immap); + if ($field = $typemap[strtolower($type)]) + $this->raw[$field][] = array(0 => $value); + break; + + case 'birthday': + case 'anniversary': + if (($val = rcube_utils::strtotime($value)) && ($fn = self::$fieldmap[$field])) + $this->raw[$fn][] = array(0 => date('Y-m-d', $val), 'value' => array('date')); + break; + + case 'address': + if ($this->addresstypemap[$type_uc]) + $type = $this->addresstypemap[$type_uc]; + + $value = $value[0] ? $value : array('', '', $value['street'], $value['locality'], $value['region'], $value['zipcode'], $value['country']); + + // fall through if not empty + if (!strlen(join('', $value))) + break; + + default: + if ($field == 'phone' && $this->phonetypemap[$type_uc]) + $type = $this->phonetypemap[$type_uc]; + + if (($tag = self::$fieldmap[$field]) && (is_array($value) || strlen($value))) { + $index = count($this->raw[$tag]); + $this->raw[$tag][$index] = (array)$value; + if ($type) { + $typemap = array_flip($this->typemap); + $this->raw[$tag][$index]['type'] = explode(',', ($typemap[$type_uc] ? $typemap[$type_uc] : $type)); + } + } + break; + } + } + + /** + * Setter for individual vcard properties + * + * @param string VCard tag name + * @param array Value-set of this vcard property + * @param boolean Set to true if the value-set should be appended instead of replacing any existing value-set + */ + public function set_raw($tag, $value, $append = false) + { + $index = $append ? count($this->raw[$tag]) : 0; + $this->raw[$tag][$index] = (array)$value; + } + + + /** + * Find index with the '$type' attribute + * + * @param string Field name + * @return int Field index having $type set + */ + private function get_type_index($field, $type = 'pref') + { + $result = 0; + if ($this->raw[$field]) { + foreach ($this->raw[$field] as $i => $data) { + if (is_array($data['type']) && in_array_nocase('pref', $data['type'])) + $result = $i; + } + } + + return $result; + } + + + /** + * Convert a whole vcard (array) to UTF-8. + * If $force_charset is null, each member value that has a charset parameter will be converted + */ + private static function charset_convert($card, $force_charset = null) + { + foreach ($card as $key => $node) { + foreach ($node as $i => $subnode) { + if (is_array($subnode) && (($charset = $force_charset) || ($subnode['charset'] && ($charset = $subnode['charset'][0])))) { + foreach ($subnode as $j => $value) { + if (is_numeric($j) && is_string($value)) + $card[$key][$i][$j] = rcube_charset::convert($value, $charset); + } + unset($card[$key][$i]['charset']); + } + } + } + + return $card; + } + + + /** + * Extends fieldmap definition + */ + public function extend_fieldmap($map) + { + if (is_array($map)) + self::$fieldmap = array_merge($map, self::$fieldmap); + } + + + /** + * Factory method to import a vcard file + * + * @param string vCard file content + * @return array List of rcube_vcard objects + */ + public static function import($data) + { + $out = array(); + + // check if charsets are specified (usually vcard version < 3.0 but this is not reliable) + if (preg_match('/charset=/i', substr($data, 0, 2048))) + $charset = null; + // detect charset and convert to utf-8 + else if (($charset = self::detect_encoding($data)) && $charset != RCMAIL_CHARSET) { + $data = rcube_charset::convert($data, $charset); + $data = preg_replace(array('/^[\xFE\xFF]{2}/', '/^\xEF\xBB\xBF/', '/^\x00+/'), '', $data); // also remove BOM + $charset = RCMAIL_CHARSET; + } + + $vcard_block = ''; + $in_vcard_block = false; + + foreach (preg_split("/[\r\n]+/", $data) as $i => $line) { + if ($in_vcard_block && !empty($line)) + $vcard_block .= $line . "\n"; + + $line = trim($line); + + if (preg_match('/^END:VCARD$/i', $line)) { + // parse vcard + $obj = new rcube_vcard(self::cleanup($vcard_block), $charset, true, self::$fieldmap); + if (!empty($obj->displayname) || !empty($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 $out; + } + + + /** + * Normalize vcard data for better parsing + * + * @param string vCard block + * @return string Cleaned vcard block + */ + private static function cleanup($vcard) + { + // Convert special types (like Skype) to normal type='skype' classes with this simple regex ;) + $vcard = preg_replace( + '/item(\d+)\.(TEL|EMAIL|URL)([^:]*?):(.*?)item\1.X-ABLabel:(?:_\$!<)?([\w-() ]*)(?:>!\$_)?./s', + '\2;type=\5\3:\4', + $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); + + // Remove cruft like item1.X-AB*, item1.ADR instead of ADR, and empty lines + $vcard = preg_replace(array('/^item\d*\.X-AB.*$/m', '/^item\d*\./m', "/\n+/"), array('', '', "\n"), $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); + } + + // if N doesn't have any semicolons, add some + $vcard = preg_replace('/^(N:[^;\R]*)$/m', '\1;;;;', $vcard); + + return $vcard; + } + + private static function x_abrelatednames_callback($matches) + { + return 'X-' . strtoupper($matches[5]) . $matches[3] . ':'. $matches[4]; + } + + private static function rfc2425_fold_callback($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 $out; + } + + public static function rfc2425_fold($val) + { + return preg_replace_callback('/([^\n]{72,})/', array('self', 'rfc2425_fold_callback'), $val); + } + + + /** + * Decodes a vcard block (vcard 3.0 format, unfolded) + * into an array structure + * + * @param string vCard block to parse + * @return array Raw data structure + */ + private static function vcard_decode($vcard) + { + // Perform RFC2425 line unfolding and split lines + $vcard = preg_replace(array("/\r/", "/\n\s+/"), '', $vcard); + $lines = explode("\n", $vcard); + $data = array(); + + for ($i=0; $i < count($lines); $i++) { + if (!preg_match('/^([^:]+):(.+)$/', $lines[$i], $line)) + continue; + + if (preg_match('/^(BEGIN|END)$/i', $line[1])) + continue; + + // convert 2.1-style "EMAIL;internet;home:" to 3.0-style "EMAIL;TYPE=internet;TYPE=home:" + if (($data['VERSION'][0] == "2.1") && preg_match('/^([^;]+);([^:]+)/', $line[1], $regs2) && !preg_match('/^TYPE=/i', $regs2[2])) { + $line[1] = $regs2[1]; + foreach (explode(';', $regs2[2]) as $prop) + $line[1] .= ';' . (strpos($prop, '=') ? $prop : 'TYPE='.$prop); + } + + if (preg_match_all('/([^\\;]+);?/', $line[1], $regs2)) { + $entry = array(); + $field = strtoupper($regs2[1][0]); + $enc = null; + + foreach($regs2[1] as $attrid => $attr) { + if ((list($key, $value) = explode('=', $attr)) && $value) { + $value = trim($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])) + $line[2] .= "\n" . $lines[++$i]; + } + $enc = $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; + } + $line[2] = self::decode_value($line[2], $enc ? $enc : 'base64'); + } + + if ($enc != 'B' && empty($entry['base64'])) { + $line[2] = self::vcard_unquote($line[2]); + } + + $entry = array_merge($entry, (array) $line[2]); + $data[$field][] = $entry; + } + } + + unset($data['VERSION']); + return $data; + } + + + /** + * Decode a given string with the encoding rule from ENCODING attributes + * + * @param string String to decode + * @param string Encoding type (quoted-printable and base64 supported) + * @return string Decoded 8bit value + */ + private static function decode_value($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 $value; + } + } + + + /** + * Encodes an entry for storage in our database (vcard 3.0 format, unfolded) + * + * @param array Raw data structure to encode + * @return string vCard encoded string + */ + static function vcard_encode($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)) { + if ($attrvalues) { + $attr .= strtoupper(";$attrname"); // true means just tag, not tag=value, as in PHOTO;BASE64:... + } + } + 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 . $vcard . 'END:VCARD'; + } + + + /** + * Join indexed data array to a vcard quoted string + * + * @param array Field data + * @param string Separator + * @return string Joined and quoted string + */ + private static function vcard_quote($s, $sep = ';') + { + if (is_array($s)) { + foreach($s as $part) { + $r[] = self::vcard_quote($part, $sep); + } + return(implode($sep, (array)$r)); + } + else { + return strtr($s, array('\\' => '\\\\', "\r" => '', "\n" => '\n', ',' => '\,', ';' => '\;')); + } + } + + + /** + * Split quoted string + * + * @param string vCard string to split + * @param string Separator char/string + * @return array List with splited values + */ + private static function vcard_unquote($s, $sep = ';') + { + // break string into parts separated by $sep, but leave escaped $sep alone + if (count($parts = explode($sep, strtr($s, array("\\$sep" => "\007")))) > 1) { + foreach($parts as $s) { + $result[] = self::vcard_unquote(strtr($s, array("\007" => "\\$sep")), $sep); + } + return $result; + } + else { + return strtr($s, array("\r" => '', '\\\\' => '\\', '\n' => "\n", '\N' => "\n", '\,' => ',', '\;' => ';', '\:' => ':')); + } + } + + + /** + * Check if vCard entry is empty: empty string or an array with + * all entries empty. + * + * @param mixed $value Attribute value (string or array) + * + * @return bool True if the value is empty, False otherwise + */ + private static function is_empty($value) + { + foreach ((array)$value as $v) { + if (((string)$v) !== '') { + return false; + } + } + + return true; + } + + /** + * Extract array values by a filter + * + * @param array Array to filter + * @param keys Array or comma separated list of values to keep + * @param boolean Invert key selection: remove the listed values + * @return array The filtered array + */ + private static function array_filter($arr, $values, $inverse = false) + { + if (!is_array($values)) + $values = explode(',', $values); + + $result = array(); + $keep = array_flip((array)$values); + foreach ($arr as $key => $val) + if ($inverse != isset($keep[strtolower($val)])) + $result[$key] = $val; + + return $result; + } + + /** + * Returns UNICODE type based on BOM (Byte Order Mark) + * + * @param string Input string to test + * @return string Detected encoding + */ + private static function detect_encoding($string) + { + $fallback = rcube::get_instance()->config->get('default_charset', 'ISO-8859-1'); // fallback to Latin-1 + + return rcube_charset::detect($string, $fallback); + } + +} |