--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/program/lib/Roundcube/rcube_addressbook.php	Thu Jan 04 15:52:31 2018 -0500
@@ -0,0 +1,714 @@
+<?php
+
+/**
+ +-----------------------------------------------------------------------+
+ | This file is part of the Roundcube Webmail client                     |
+ | Copyright (C) 2006-2013, 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:                                                              |
+ |   Interface to the local address book database                        |
+ +-----------------------------------------------------------------------+
+ | Author: Thomas Bruederli <roundcube@gmail.com>                        |
+ +-----------------------------------------------------------------------+
+*/
+
+/**
+ * Abstract skeleton of an address book/repository
+ *
+ * @package    Framework
+ * @subpackage Addressbook
+ */
+abstract class rcube_addressbook
+{
+    // constants for error reporting
+    const ERROR_READ_ONLY     = 1;
+    const ERROR_NO_CONNECTION = 2;
+    const ERROR_VALIDATE      = 3;
+    const ERROR_SAVING        = 4;
+    const ERROR_SEARCH        = 5;
+
+    // search modes
+    const SEARCH_ALL    = 0;
+    const SEARCH_STRICT = 1;
+    const SEARCH_PREFIX = 2;
+    const SEARCH_GROUPS = 4;
+
+    // public properties (mandatory)
+    public $primary_key;
+    public $groups        = false;
+    public $export_groups = true;
+    public $readonly      = true;
+    public $searchonly    = false;
+    public $undelete      = false;
+    public $ready         = false;
+    public $group_id      = null;
+    public $list_page     = 1;
+    public $page_size     = 10;
+    public $sort_col      = 'name';
+    public $sort_order    = 'ASC';
+    public $date_cols     = array();
+    public $coltypes      = array(
+        'name'      => array('limit'=>1),
+        'firstname' => array('limit'=>1),
+        'surname'   => array('limit'=>1),
+        'email'     => array('limit'=>1)
+    );
+
+    protected $error;
+
+    /**
+     * Returns addressbook name (e.g. for addressbooks listing)
+     */
+    abstract function get_name();
+
+    /**
+     * Save a search string for future listings
+     *
+     * @param mixed $filter Search params to use in listing method, obtained by get_search_set()
+     */
+    abstract function set_search_set($filter);
+
+    /**
+     * Getter for saved search properties
+     *
+     * @return mixed Search properties used by this class
+     */
+    abstract function get_search_set();
+
+    /**
+     * Reset saved results and search parameters
+     */
+    abstract function reset();
+
+    /**
+     * Refresh saved search set after data has changed
+     *
+     * @return mixed New search set
+     */
+    function refresh_search()
+    {
+        return $this->get_search_set();
+    }
+
+    /**
+     * List the current set of contact records
+     *
+     * @param array $cols   List of cols to show
+     * @param int   $subset Only return this number of records, use negative values for tail
+     *
+     * @return array Indexed list of contact records, each a hash array
+     */
+    abstract function list_records($cols=null, $subset=0);
+
+    /**
+     * Search records
+     *
+     * @param array   $fields   List of fields to search in
+     * @param string  $value    Search value
+     * @param int     $mode     Search mode. Sum of self::SEARCH_*.
+     * @param boolean $select   True if results are requested, False if count only
+     * @param boolean $nocount  True to skip the count query (select only)
+     * @param array   $required List of fields that cannot be empty
+     *
+     * @return object rcube_result_set List of contact records and 'count' value
+     */
+    abstract function search($fields, $value, $mode=0, $select=true, $nocount=false, $required=array());
+
+    /**
+     * Count number of available contacts in database
+     *
+     * @return rcube_result_set Result set with values for 'count' and 'first'
+     */
+    abstract function count();
+
+    /**
+     * Return the last result set
+     *
+     * @return rcube_result_set Current result set or NULL if nothing selected yet
+     */
+    abstract function get_result();
+
+    /**
+     * Get a specific contact record
+     *
+     * @param mixed   $id    Record identifier(s)
+     * @param boolean $assoc True to return record as associative array, otherwise a result set is returned
+     *
+     * @return rcube_result_set|array Result object with all record fields
+     */
+    abstract function get_record($id, $assoc=false);
+
+    /**
+     * Returns the last error occurred (e.g. when updating/inserting failed)
+     *
+     * @return array Hash array with the following fields: type, message
+     */
+    function get_error()
+    {
+        return $this->error;
+    }
+
+    /**
+     * Setter for errors for internal use
+     *
+     * @param int    $type    Error type (one of this class' error constants)
+     * @param string $message Error message (name of a text label)
+     */
+    protected function set_error($type, $message)
+    {
+        $this->error = array('type' => $type, 'message' => $message);
+    }
+
+    /**
+     * Close connection to source
+     * Called on script shutdown
+     */
+    function close() { }
+
+    /**
+     * Set internal list page
+     *
+     * @param number $page Page number to list
+     */
+    function set_page($page)
+    {
+        $this->list_page = (int)$page;
+    }
+
+    /**
+     * Set internal page size
+     *
+     * @param number $size Number of messages to display on one page
+     */
+    function set_pagesize($size)
+    {
+        $this->page_size = (int)$size;
+    }
+
+    /**
+     * Set internal sort settings
+     *
+     * @param string $sort_col   Sort column
+     * @param string $sort_order Sort order
+     */
+    function set_sort_order($sort_col, $sort_order = null)
+    {
+        if ($sort_col != null && ($this->coltypes[$sort_col] || in_array($sort_col, $this->coltypes))) {
+            $this->sort_col = $sort_col;
+        }
+        if ($sort_order != null) {
+            $this->sort_order = strtoupper($sort_order) == 'DESC' ? 'DESC' : 'ASC';
+        }
+    }
+
+    /**
+     * Check the given data before saving.
+     * If input isn't valid, the message to display can be fetched using get_error()
+     *
+     * @param array   &$save_data Associative array with data to save
+     * @param boolean $autofix    Attempt to fix/complete record automatically
+     *
+     * @return boolean True if input is valid, False if not.
+     */
+    public function validate(&$save_data, $autofix = false)
+    {
+        $rcube = rcube::get_instance();
+        $valid = true;
+
+        // check validity of email addresses
+        foreach ($this->get_col_values('email', $save_data, true) as $email) {
+            if (strlen($email)) {
+                if (!rcube_utils::check_email(rcube_utils::idn_to_ascii($email))) {
+                    $error = $rcube->gettext(array('name' => 'emailformaterror', 'vars' => array('email' => $email)));
+                    $this->set_error(self::ERROR_VALIDATE, $error);
+                    $valid = false;
+                    break;
+                }
+            }
+        }
+
+        // allow plugins to do contact validation and auto-fixing
+        $plugin = $rcube->plugins->exec_hook('contact_validate', array(
+            'record'  => $save_data,
+            'autofix' => $autofix,
+            'valid'   => $valid,
+        ));
+
+        if ($valid && !$plugin['valid']) {
+            $this->set_error(self::ERROR_VALIDATE, $plugin['error']);
+        }
+
+        if (is_array($plugin['record'])) {
+            $save_data = $plugin['record'];
+        }
+
+        return $plugin['valid'];
+    }
+
+    /**
+     * Create a new contact record
+     *
+     * @param array $save_data Associative array with save data
+     *  Keys:   Field name with optional section in the form FIELD:SECTION
+     *  Values: Field value. Can be either a string or an array of strings for multiple values
+     * @param boolean $check True to check for duplicates first
+     *
+     * @return mixed The created record ID on success, False on error
+     */
+    function insert($save_data, $check=false)
+    {
+        /* empty for read-only address books */
+    }
+
+    /**
+     * Create new contact records for every item in the record set
+     *
+     * @param rcube_result_set $recset Recordset to insert
+     * @param boolean          $check  True to check for duplicates first
+     *
+     * @return array List of created record IDs
+     */
+    function insertMultiple($recset, $check=false)
+    {
+        $ids = array();
+        if (is_object($recset) && is_a($recset, rcube_result_set)) {
+            while ($row = $recset->next()) {
+                if ($insert = $this->insert($row, $check))
+                    $ids[] = $insert;
+            }
+        }
+        return $ids;
+    }
+
+    /**
+     * Update a specific contact record
+     *
+     * @param mixed $id        Record identifier
+     * @param array $save_cols Associative array with save data
+     *  Keys:   Field name with optional section in the form FIELD:SECTION
+     *  Values: Field value. Can be either a string or an array of strings for multiple values
+     *
+     * @return mixed On success if ID has been changed returns ID, otherwise True, False on error
+     */
+    function update($id, $save_cols)
+    {
+        /* empty for read-only address books */
+    }
+
+    /**
+     * Mark one or more contact records as deleted
+     *
+     * @param array $ids   Record identifiers
+     * @param bool  $force Remove records irreversible (see self::undelete)
+     */
+    function delete($ids, $force = true)
+    {
+        /* empty for read-only address books */
+    }
+
+    /**
+     * Unmark delete flag on contact record(s)
+     *
+     * @param array $ids Record identifiers
+     */
+    function undelete($ids)
+    {
+        /* empty for read-only address books */
+    }
+
+    /**
+     * Mark all records in database as deleted
+     *
+     * @param bool $with_groups Remove also groups
+     */
+    function delete_all($with_groups = false)
+    {
+        /* empty for read-only address books */
+    }
+
+    /**
+     * Setter for the current group
+     * (empty, has to be re-implemented by extending class)
+     */
+    function set_group($group_id) { }
+
+    /**
+     * List all active contact groups of this source
+     *
+     * @param string $search Optional search string to match group name
+     * @param int    $mode   Search mode. Sum of self::SEARCH_*
+     *
+     * @return array  Indexed list of contact groups, each a hash array
+     */
+    function list_groups($search = null, $mode = 0)
+    {
+        /* empty for address books don't supporting groups */
+        return array();
+    }
+
+    /**
+     * Get group properties such as name and email address(es)
+     *
+     * @param string $group_id Group identifier
+     *
+     * @return array Group properties as hash array
+     */
+    function get_group($group_id)
+    {
+        /* empty for address books don't supporting groups */
+        return null;
+    }
+
+    /**
+     * Create a contact group with the given name
+     *
+     * @param string $name The group name
+     *
+     * @return mixed False on error, array with record props in success
+     */
+    function create_group($name)
+    {
+        /* empty for address books don't supporting groups */
+        return false;
+    }
+
+    /**
+     * Delete the given group and all linked group members
+     *
+     * @param string $group_id Group identifier
+     *
+     * @return boolean True on success, false if no data was changed
+     */
+    function delete_group($group_id)
+    {
+        /* empty for address books don't supporting groups */
+        return false;
+    }
+
+    /**
+     * Rename a specific contact group
+     *
+     * @param string $group_id Group identifier
+     * @param string $newname  New name to set for this group
+     * @param string &$newid   New group identifier (if changed, otherwise don't set)
+     *
+     * @return boolean New name on success, false if no data was changed
+     */
+    function rename_group($group_id, $newname, &$newid)
+    {
+        /* empty for address books don't supporting groups */
+        return false;
+    }
+
+    /**
+     * Add the given contact records the a certain group
+     *
+     * @param string       $group_id Group identifier
+     * @param array|string $ids      List of contact identifiers to be added
+     *
+     * @return int Number of contacts added
+     */
+    function add_to_group($group_id, $ids)
+    {
+        /* empty for address books don't supporting groups */
+        return 0;
+    }
+
+    /**
+     * Remove the given contact records from a certain group
+     *
+     * @param string       $group_id Group identifier
+     * @param array|string $ids      List of contact identifiers to be removed
+     *
+     * @return int Number of deleted group members
+     */
+    function remove_from_group($group_id, $ids)
+    {
+        /* empty for address books don't supporting groups */
+        return 0;
+    }
+
+    /**
+     * Get group assignments of a specific contact record
+     *
+     * @param mixed Record identifier
+     *
+     * @return array $id List of assigned groups as ID=>Name pairs
+     * @since 0.5-beta
+     */
+    function get_record_groups($id)
+    {
+        /* empty for address books don't supporting groups */
+        return array();
+    }
+
+    /**
+     * Utility function to return all values of a certain data column
+     * either as flat list or grouped by subtype
+     *
+     * @param string $col  Col name
+     * @param array  $data Record data array as used for saving
+     * @param bool   $flat True to return one array with all values,
+     *                     False for hash array with values grouped by type
+     *
+     * @return array List of column values
+     */
+    public static function get_col_values($col, $data, $flat = false)
+    {
+        $out = array();
+        foreach ((array)$data as $c => $values) {
+            if ($c === $col || strpos($c, $col.':') === 0) {
+                if ($flat) {
+                    $out = array_merge($out, (array)$values);
+                }
+                else {
+                    list(, $type) = explode(':', $c);
+                    $out[$type] = array_merge((array)$out[$type], (array)$values);
+                }
+            }
+        }
+
+        // remove duplicates
+        if ($flat && !empty($out)) {
+            $out = array_unique($out);
+        }
+
+        return $out;
+    }
+
+    /**
+     * Normalize the given string for fulltext search.
+     * Currently only optimized for Latin-1 characters; to be extended
+     *
+     * @param string $str Input string (UTF-8)
+     * @return string Normalized string
+     * @deprecated since 0.9-beta
+     */
+    protected static function normalize_string($str)
+    {
+        return rcube_utils::normalize_string($str);
+    }
+
+    /**
+     * Compose a valid display name from the given structured contact data
+     *
+     * @param array $contact    Hash array with contact data as key-value pairs
+     * @param bool  $full_email Don't attempt to extract components from the email address
+     *
+     * @return string Display name
+     */
+    public static function compose_display_name($contact, $full_email = false)
+    {
+        $contact = rcube::get_instance()->plugins->exec_hook('contact_displayname', $contact);
+        $fn = $contact['name'];
+
+        // default display name composition according to vcard standard
+        if (!$fn) {
+            $fn = join(' ', array_filter(array($contact['prefix'], $contact['firstname'], $contact['middlename'], $contact['surname'], $contact['suffix'])));
+            $fn = trim(preg_replace('/\s+/', ' ', $fn));
+        }
+
+        // use email address part for name
+        $email = self::get_col_values('email', $contact, true);
+        $email = $email[0];
+
+        if ($email && (empty($fn) || $fn == $email)) {
+            // return full email
+            if ($full_email)
+                return $email;
+
+            list($emailname) = explode('@', $email);
+            if (preg_match('/(.*)[\.\-\_](.*)/', $emailname, $match))
+                $fn = trim(ucfirst($match[1]).' '.ucfirst($match[2]));
+            else
+                $fn = ucfirst($emailname);
+        }
+
+        return $fn;
+    }
+
+    /**
+     * Compose the name to display in the contacts list for the given contact record.
+     * This respects the settings parameter how to list conacts.
+     *
+     * @param array $contact Hash array with contact data as key-value pairs
+     *
+     * @return string List name
+     */
+    public static function compose_list_name($contact)
+    {
+        static $compose_mode;
+
+        if (!isset($compose_mode))  // cache this
+            $compose_mode = rcube::get_instance()->config->get('addressbook_name_listing', 0);
+
+        if ($compose_mode == 3)
+            $fn = join(' ', array($contact['surname'] . ',', $contact['firstname'], $contact['middlename']));
+        else if ($compose_mode == 2)
+            $fn = join(' ', array($contact['surname'], $contact['firstname'], $contact['middlename']));
+        else if ($compose_mode == 1)
+            $fn = join(' ', array($contact['firstname'], $contact['middlename'], $contact['surname']));
+        else if ($compose_mode == 0)
+            $fn = $contact['name'] ?: join(' ', array($contact['prefix'], $contact['firstname'], $contact['middlename'], $contact['surname'], $contact['suffix']));
+        else {
+            $plugin = rcube::get_instance()->plugins->exec_hook('contact_listname', array('contact' => $contact));
+            $fn     = $plugin['fn'];
+        }
+
+        $fn = trim($fn, ', ');
+        $fn = preg_replace('/\s+/', ' ', $fn);
+
+        // fallbacks...
+        if ($fn === '') {
+            // ... display name
+            if ($name = trim($contact['name'])) {
+                $fn = $name;
+            }
+            // ... organization
+            else if ($org = trim($contact['organization'])) {
+                $fn = $org;
+            }
+            // ... email address
+            else if (($email = self::get_col_values('email', $contact, true)) && !empty($email)) {
+                $fn = $email[0];
+            }
+        }
+
+        return $fn;
+    }
+
+    /**
+     * Build contact display name for autocomplete listing
+     *
+     * @param array  $contact Hash array with contact data as key-value pairs
+     * @param string $email   Optional email address
+     * @param string $name    Optional name (self::compose_list_name() result)
+     * @param string $templ   Optional template to use (defaults to the 'contact_search_name' config option)
+     *
+     * @return string Display name
+     */
+    public static function compose_search_name($contact, $email = null, $name = null, $templ = null)
+    {
+        static $template;
+
+        if (empty($templ) && !isset($template)) {  // cache this
+            $template = rcube::get_instance()->config->get('contact_search_name');
+            if (empty($template)) {
+                $template = '{name} <{email}>';
+            }
+        }
+
+        $result = $templ ?: $template;
+
+        if (preg_match_all('/\{[a-z]+\}/', $result, $matches)) {
+            foreach ($matches[0] as $key) {
+                $key   = trim($key, '{}');
+                $value = '';
+
+                switch ($key) {
+                case 'name':
+                    $value = $name ?: self::compose_list_name($contact);
+
+                    // If name(s) are undefined compose_list_name() may return an email address
+                    // here we prevent from returning the same name and email
+                    if ($name === $email && strpos($result, '{email}') !== false) {
+                        $value = '';
+                    }
+
+                    break;
+
+                case 'email':
+                    $value = $email;
+                    break;
+                }
+
+                if (empty($value)) {
+                    $value = strpos($key, ':') ? $contact[$key] : self::get_col_values($key, $contact, true);
+                    if (is_array($value)) {
+                        $value = $value[0];
+                    }
+                }
+
+                $result = str_replace('{' . $key . '}', $value, $result);
+            }
+        }
+
+        $result = preg_replace('/\s+/', ' ', $result);
+        $result = preg_replace('/\s*(<>|\(\)|\[\])/', '', $result);
+        $result = trim($result, '/ ');
+
+        return $result;
+    }
+
+    /**
+     * Create a unique key for sorting contacts
+     *
+     * @param array  $contact  Contact record
+     * @param string $sort_col Sorting column name
+     *
+     * @return string Unique key
+     */
+    public static function compose_contact_key($contact, $sort_col)
+    {
+        $key = $contact[$sort_col] . ':' . $contact['sourceid'];
+
+        // add email to a key to not skip contacts with the same name (#1488375)
+        if (($email = self::get_col_values('email', $contact, true)) && !empty($email)) {
+            $key .= ':' . implode(':', (array)$email);
+        }
+
+        return $key;
+    }
+
+    /**
+     * Compare search value with contact data
+     *
+     * @param string       $colname Data name
+     * @param string|array $value   Data value
+     * @param string       $search  Search value
+     * @param int          $mode    Search mode
+     *
+     * @return bool Comparison result
+     */
+    protected function compare_search_value($colname, $value, $search, $mode)
+    {
+        // The value is a date string, for date we'll
+        // use only strict comparison (mode = 1)
+        // @TODO: partial search, e.g. match only day and month
+        if (in_array($colname, $this->date_cols)) {
+            return (($value = rcube_utils::anytodatetime($value))
+                && ($search = rcube_utils::anytodatetime($search))
+                && $value->format('Ymd') == $search->format('Ymd'));
+        }
+
+        // Gender is a special value, must use strict comparison (#5757)
+        if ($colname == 'gender') {
+            $mode = self::SEARCH_STRICT;
+        }
+
+        // composite field, e.g. address
+        foreach ((array)$value as $val) {
+            $val = mb_strtolower($val);
+
+            if ($mode & self::SEARCH_STRICT) {
+                $got = ($val == $search);
+            }
+            else if ($mode & self::SEARCH_PREFIX) {
+                $got = ($search == substr($val, 0, strlen($search)));
+            }
+            else {
+                $got = (strpos($val, $search) !== false);
+            }
+
+            if ($got) {
+                return true;
+            }
+        }
+
+        return false;
+    }
+}