summaryrefslogtreecommitdiff
path: root/program/lib
diff options
context:
space:
mode:
Diffstat (limited to 'program/lib')
-rw-r--r--program/lib/Roundcube/rcube_vcard.php1463
1 files changed, 758 insertions, 705 deletions
diff --git a/program/lib/Roundcube/rcube_vcard.php b/program/lib/Roundcube/rcube_vcard.php
index a5c5ccec8..e6fa5b248 100644
--- a/program/lib/Roundcube/rcube_vcard.php
+++ b/program/lib/Roundcube/rcube_vcard.php
@@ -26,765 +26,818 @@
*/
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 = RCUBE_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 = RCUBE_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);
+ 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 = RCUBE_CHARSET, $detect = false, $fieldmap = array())
+ {
+ if (!empty($fielmap)) {
+ $this->extend_fieldmap($fieldmap);
+ }
+
+ if (!empty($vcard)) {
+ $this->load($vcard, $charset, $detect);
+ }
}
- // vcard has encoded values and charset should be detected
- else if ($detect && self::$values_decoded &&
- ($detected_charset = self::detect_encoding(self::vcard_encode($this->raw))) && $detected_charset != RCUBE_CHARSET) {
- $this->raw = self::charset_convert($this->raw, $detected_charset);
+
+ /**
+ * Load record from (internal, unfolded) vcard 3.0 format
+ *
+ * @param string vCard string to parse
+ * @param string Charset of string values
+ * @param boolean True if loading a 'foreign' vcard and extra heuristics for charset detection is required
+ */
+ public function load($vcard, $charset = RCUBE_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 != RCUBE_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] = $tmp;
+ }
}
- // consider FN empty if the same as the primary e-mail address
- if ($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;
}
- }
-
-
- /**
- * 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;
+
+ /**
+ * 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) : $vcard;
}
- if ($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'][$k]];
+ /**
+ * Clear the given fields in the loaded vcard data
+ *
+ * @param array List of field names to be reset
+ */
+ public function reset($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 {
- $subtype = strtolower($raw['type'][$k]);
+ $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 => $value);
}
+ break;
- while ($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] : $k;
- break;
- }
+ case 'birthday':
+ case 'anniversary':
+ if (($val = rcube_utils::strtotime($value)) && ($fn = self::$fieldmap[$field])) {
+ $this->raw[$fn][] = array(0 => date('Y-m-d', $val), 'value' => array('date'));
}
- }
+ break;
- // force subtype if none set
- if (!$subtype && preg_match('/^(email|phone|address|website)/', $key))
- $subtype = 'other';
+ case 'address':
+ if ($this->addresstypemap[$type_uc]) {
+ $type = $this->addresstypemap[$type_uc];
+ }
- if ($subtype)
- $key .= ':' . $subtype;
+ $value = $value[0] ? $value : array('', '', $value['street'], $value['locality'], $value['region'], $value['zipcode'], $value['country']);
- // split ADR values into assoc array
- if ($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;
+ // 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] : $type));
+ }
+ }
+ break;
}
- }
}
- // handle special IM fields as used by Apple
- foreach ($this->immap as $tag => $type) {
- foreach ((array)$this->raw[$tag] as $i => $raw) {
- $out['im:'.$type][] = $raw[0];
- }
+ /**
+ * Setter for individual vcard properties
+ *
+ * @param string VCard tag name
+ * @param array Value-set of this vcard property
+ * @param boolean Set to true if the value-set should be appended instead of replacing any existing value-set
+ */
+ public function set_raw($tag, $value, $append = false)
+ {
+ $index = $append ? count($this->raw[$tag]) : 0;
+ $this->raw[$tag][$index] = (array)$value;
}
- // 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 = $i;
- }
+ /**
+ * Find index with the '$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;
}
- 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']);
- }
- }
+ /**
+ * 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;
}
- 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 != RCUBE_CHARSET) {
- $data = rcube_charset::convert($data, $charset);
- $data = preg_replace(array('/^[\xFE\xFF]{2}/', '/^\xEF\xBB\xBF/', '/^\x00+/'), '', $data); // also remove BOM
- $charset = RCUBE_CHARSET;
+ /**
+ * Extends fieldmap definition
+ */
+ public function extend_fieldmap($map)
+ {
+ if (is_array($map)) {
+ self::$fieldmap = array_merge($map, self::$fieldmap);
+ }
}
- $vcard_block = '';
- $in_vcard_block = false;
+ /**
+ * Factory method to import a vcard file
+ *
+ * @param string vCard file content
+ *
+ * @return array List of rcube_vcard objects
+ */
+ public static function import($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 != RCUBE_CHARSET) {
+ $data = rcube_charset::convert($data, $charset);
+ $data = preg_replace(array('/^[\xFE\xFF]{2}/', '/^\xEF\xBB\xBF/', '/^\x00+/'), '', $data); // also remove BOM
+ $charset = RCUBE_CHARSET;
+ }
- foreach (preg_split("/[\r\n]+/", $data) as $i => $line) {
- if ($in_vcard_block && !empty($line))
- $vcard_block .= $line . "\n";
+ $vcard_block = '';
+ $in_vcard_block = false;
- $line = trim($line);
+ foreach (preg_split("/[\r\n]+/", $data) as $i => $line) {
+ if ($in_vcard_block && !empty($line)) {
+ $vcard_block .= $line . "\n";
+ }
- if (preg_match('/^END:VCARD$/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;
+ $line = trim($line);
- $in_vcard_block = false;
- }
- else if (preg_match('/^BEGIN:VCARD$/i', $line)) {
- $vcard_block = $line . "\n";
- $in_vcard_block = true;
- }
+ if (preg_match('/^END:VCARD$/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;
}
- 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, $vcard);
+ /**
+ * Normalize vcard data for better parsing
+ *
+ * @param string vCard block
+ *
+ * @return string Cleaned vcard block
+ */
+ private static function cleanup($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;
}
- // 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];
- $n++;
+ private static function x_abrelatednames_callback($matches)
+ {
+ return 'X-' . strtoupper($matches[5]) . $matches[3] . ':'. $matches[4];
}
- 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 = $value;
+ private static function rfc2425_fold_callback($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;
}
- 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
- }
+ $out .= $matches[1][$c];
+ $n++;
}
- // decode value
- if ($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');
- }
+ return $out;
+ }
+
+ public static function rfc2425_fold($val)
+ {
+ return preg_replace_callback('/([^\n]{72,})/', array('self', 'rfc2425_fold_callback'), $val);
+ }
- if ($enc != 'B' && empty($entry['base64'])) {
- $line[2] = self::vcard_unquote($line[2]);
+ /**
+ * 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;
+ }
}
- $entry = array_merge($entry, (array) $line[2]);
- $data[$field][] = $entry;
- }
+ unset($data['VERSION']);
+ return $data;
}
- unset($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 $value;
+ /**
+ * Decode a given string with the encoding rule from ENCODING attributes
+ *
+ * @param string String to decode
+ * @param string Encoding type (quoted-printable and base64 supported)
+ *
+ * @return string Decoded 8bit value
+ */
+ private static function decode_value($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[] = $attrvalues;
+
+ /**
+ * Encodes an entry for storage in our database (vcard 3.0 format, unfolded)
+ *
+ * @param array Raw data structure to encode
+ *
+ * @return string vCard encoded string
+ */
+ static function vcard_encode($data)
+ {
+ foreach ((array)$data as $type => $entries) {
+ // valid N has 5 properties
+ while ($type == "N" && is_array($entries[0]) && count($entries[0]) < 5) {
+ $entries[0][] = "";
}
- else if (is_bool($attrvalues)) {
- if ($attrvalues) {
- $attr .= strtoupper(";$attrname"); // true means just tag, not tag=value, as in PHOTO;BASE64:...
- }
+
+ // make sure FN is not empty (required by RFC2426)
+ if ($type == "FN" && empty($entries)) {
+ $entries[0] = $data['EMAIL'][0][0];
}
- else {
- foreach((array)$attrvalues as $attrvalue)
- $attr .= strtoupper(";$attrname=") . self::vcard_quote($attrvalue, ',');
+
+ foreach ((array)$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 tag, not tag=value, as in PHOTO;BASE64:...
+ if ($attrvalues) {
+ $attr .= strtoupper(";$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;
}
- }
}
- 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 . $vcard . 'END:VCARD';
}
- return 'BEGIN:VCARD' . self::$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 $result;
+ /**
+ * Join indexed data array to a vcard quoted string
+ *
+ * @param array Field data
+ * @param string Separator
+ *
+ * @return string Joined and quoted string
+ */
+ private static function vcard_quote($s, $sep = ';')
+ {
+ if (is_array($s)) {
+ foreach($s as $part) {
+ $r[] = self::vcard_quote($part, $sep);
+ }
+ return(implode($sep, (array)$r));
+ }
+
+ return strtr($s, array('\\' => '\\\\', "\r" => '', "\n" => '\n', ',' => '\,', ';' => '\;'));
}
- else {
- return strtr($s, array("\r" => '', '\\\\' => '\\', '\n' => "\n", '\N' => "\n", '\,' => ',', '\;' => ';', '\:' => ':'));
+
+ /**
+ * Split quoted string
+ *
+ * @param string vCard string to split
+ * @param string Separator char/string
+ *
+ * @return array List with splited values
+ */
+ private static function vcard_unquote($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 $result;
+ }
+
+ return strtr($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;
- }
+
+ /**
+ * 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;
}
- 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, $fallback);
- }
+ /**
+ * Extract array values by a filter
+ *
+ * @param array Array to filter
+ * @param keys Array or comma separated list of values to keep
+ * @param boolean Invert key selection: remove the listed values
+ *
+ * @return array The filtered array
+ */
+ private static function array_filter($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);
+ }
}