348 lines
11 KiB
PHP
348 lines
11 KiB
PHP
<?php
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/**
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* abook_database.php
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*
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* Copyright (c) 1999-2004 The SquirrelMail Project Team
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* Licensed under the GNU GPL. For full terms see the file COPYING.
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*
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* Backend for personal addressbook stored in a database,
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* accessed using the DB-classes in PEAR.
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*
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* IMPORTANT: The PEAR modules must be in the include path
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* for this class to work.
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*
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* An array with the following elements must be passed to
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* the class constructor (elements marked ? are optional):
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*
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* dsn => database DNS (see PEAR for syntax)
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* table => table to store addresses in (must exist)
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* owner => current user (owner of address data)
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* ? writeable => set writeable flag (true/false)
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*
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* The table used should have the following columns:
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* owner, nickname, firstname, lastname, email, label
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* The pair (owner,nickname) should be unique (primary key).
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*
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* NOTE. This class should not be used directly. Use the
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* "AddressBook" class instead.
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*
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* @version $Id$
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* @package squirrelmail
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* @subpackage addressbook
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*/
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/** Needs the DB functions */
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require_once('DB.php');
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/**
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* Undocumented class - stores the addressbook in a sql database
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* @package squirrelmail
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*/
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class abook_database extends addressbook_backend {
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var $btype = 'local';
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var $bname = 'database';
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var $dsn = '';
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var $table = '';
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var $owner = '';
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var $dbh = false;
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var $writeable = true;
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/* ========================== Private ======================= */
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/* Constructor */
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function abook_database($param) {
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$this->sname = _("Personal address book");
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if (is_array($param)) {
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if (empty($param['dsn']) ||
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empty($param['table']) ||
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empty($param['owner'])) {
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return $this->set_error('Invalid parameters');
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}
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$this->dsn = $param['dsn'];
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$this->table = $param['table'];
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$this->owner = $param['owner'];
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if (!empty($param['name'])) {
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$this->sname = $param['name'];
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}
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if (isset($param['writeable'])) {
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$this->writeable = $param['writeable'];
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}
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if (isset($param['listing'])) {
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$this->listing = $param['listing'];
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}
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$this->open(true);
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}
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else {
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return $this->set_error('Invalid argument to constructor');
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}
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}
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/* Open the database. New connection if $new is true */
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function open($new = false) {
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$this->error = '';
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/* Return true is file is open and $new is unset */
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if ($this->dbh && !$new) {
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return true;
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}
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/* Close old file, if any */
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if ($this->dbh) {
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$this->close();
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}
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$dbh = DB::connect($this->dsn, true);
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if (DB::isError($dbh)) {
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return $this->set_error(sprintf(_("Database error: %s"),
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DB::errorMessage($dbh)));
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}
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$this->dbh = $dbh;
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return true;
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}
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/* Close the file and forget the filehandle */
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function close() {
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$this->dbh->disconnect();
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$this->dbh = false;
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}
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/* ========================== Public ======================== */
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/* Search the file */
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function &search($expr) {
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$ret = array();
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if(!$this->open()) {
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return false;
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}
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/* To be replaced by advanded search expression parsing */
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if (is_array($expr)) {
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return;
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}
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/* Make regexp from glob'ed expression */
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$expr = str_replace('?', '_', $expr);
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$expr = str_replace('*', '%', $expr);
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$expr = $this->dbh->quoteString($expr);
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$expr = "%$expr%";
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$query = sprintf("SELECT * FROM %s WHERE owner='%s' AND " .
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"(firstname LIKE '%s' OR lastname LIKE '%s')",
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$this->table, $this->owner, $expr, $expr);
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$res = $this->dbh->query($query);
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if (DB::isError($res)) {
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return $this->set_error(sprintf(_("Database error: %s"),
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DB::errorMessage($res)));
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}
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while ($row = $res->fetchRow(DB_FETCHMODE_ASSOC)) {
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array_push($ret, array('nickname' => $row['nickname'],
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'name' => "$row[firstname] $row[lastname]",
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'firstname' => $row['firstname'],
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'lastname' => $row['lastname'],
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'email' => $row['email'],
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'label' => $row['label'],
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'backend' => $this->bnum,
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'source' => &$this->sname));
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}
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return $ret;
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}
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/* Lookup alias */
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function &lookup($alias) {
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if (empty($alias)) {
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return array();
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}
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$alias = strtolower($alias);
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if (!$this->open()) {
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return false;
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}
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$query = sprintf("SELECT * FROM %s WHERE owner='%s' AND LOWER(nickname)='%s'",
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$this->table, $this->owner, $this->dbh->quoteString($alias));
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$res = $this->dbh->query($query);
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if (DB::isError($res)) {
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return $this->set_error(sprintf(_("Database error: %s"),
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DB::errorMessage($res)));
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}
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if ($row = $res->fetchRow(DB_FETCHMODE_ASSOC)) {
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return array('nickname' => $row['nickname'],
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'name' => "$row[firstname] $row[lastname]",
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'firstname' => $row['firstname'],
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'lastname' => $row['lastname'],
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'email' => $row['email'],
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'label' => $row['label'],
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'backend' => $this->bnum,
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'source' => &$this->sname);
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}
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return array();
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}
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/* List all addresses */
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function &list_addr() {
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$ret = array();
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if (!$this->open()) {
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return false;
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}
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if(isset($this->listing) && !$this->listing) {
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return array();
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}
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$query = sprintf("SELECT * FROM %s WHERE owner='%s'",
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$this->table, $this->owner);
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$res = $this->dbh->query($query);
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if (DB::isError($res)) {
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return $this->set_error(sprintf(_("Database error: %s"),
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DB::errorMessage($res)));
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}
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while ($row = $res->fetchRow(DB_FETCHMODE_ASSOC)) {
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array_push($ret, array('nickname' => $row['nickname'],
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'name' => "$row[firstname] $row[lastname]",
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'firstname' => $row['firstname'],
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'lastname' => $row['lastname'],
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'email' => $row['email'],
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'label' => $row['label'],
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'backend' => $this->bnum,
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'source' => &$this->sname));
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}
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return $ret;
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}
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/* Add address */
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function add($userdata) {
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if (!$this->writeable) {
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return $this->set_error(_("Addressbook is read-only"));
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}
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if (!$this->open()) {
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return false;
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}
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/* See if user exist already */
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$ret = $this->lookup($userdata['nickname']);
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if (!empty($ret)) {
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return $this->set_error(sprintf(_("User '%s' already exist"),
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$ret['nickname']));
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}
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/* Create query */
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$query = sprintf("INSERT INTO %s (owner, nickname, firstname, " .
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"lastname, email, label) VALUES('%s','%s','%s'," .
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"'%s','%s','%s')",
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$this->table, $this->owner,
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$this->dbh->quoteString($userdata['nickname']),
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$this->dbh->quoteString($userdata['firstname']),
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$this->dbh->quoteString($userdata['lastname']),
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$this->dbh->quoteString($userdata['email']),
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$this->dbh->quoteString($userdata['label']) );
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/* Do the insert */
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$r = $this->dbh->simpleQuery($query);
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if ($r == DB_OK) {
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return true;
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}
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/* Fail */
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return $this->set_error(sprintf(_("Database error: %s"),
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DB::errorMessage($r)));
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}
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/* Delete address */
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function remove($alias) {
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if (!$this->writeable) {
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return $this->set_error(_("Addressbook is read-only"));
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}
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if (!$this->open()) {
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return false;
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}
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/* Create query */
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$query = sprintf("DELETE FROM %s WHERE owner='%s' AND (",
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$this->table, $this->owner);
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$sepstr = '';
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while (list($undef, $nickname) = each($alias)) {
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$query .= sprintf("%s nickname='%s' ", $sepstr,
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$this->dbh->quoteString($nickname));
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$sepstr = 'OR';
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}
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$query .= ')';
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/* Delete entry */
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$r = $this->dbh->simpleQuery($query);
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if ($r == DB_OK) {
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return true;
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}
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/* Fail */
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return $this->set_error(sprintf(_("Database error: %s"),
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DB::errorMessage($r)));
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}
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/* Modify address */
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function modify($alias, $userdata) {
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if (!$this->writeable) {
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return $this->set_error(_("Addressbook is read-only"));
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}
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if (!$this->open()) {
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return false;
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}
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/* See if user exist */
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$ret = $this->lookup($alias);
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if (empty($ret)) {
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return $this->set_error(sprintf(_("User '%s' does not exist"),
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$alias));
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}
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/* Create query */
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$query = sprintf("UPDATE %s SET nickname='%s', firstname='%s', ".
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"lastname='%s', email='%s', label='%s' ".
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"WHERE owner='%s' AND nickname='%s'",
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$this->table,
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$this->dbh->quoteString($userdata['nickname']),
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$this->dbh->quoteString($userdata['firstname']),
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$this->dbh->quoteString($userdata['lastname']),
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$this->dbh->quoteString($userdata['email']),
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$this->dbh->quoteString($userdata['label']),
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$this->owner,
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$this->dbh->quoteString($alias) );
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/* Do the insert */
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$r = $this->dbh->simpleQuery($query);
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if ($r == DB_OK) {
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return true;
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}
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/* Fail */
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return $this->set_error(sprintf(_("Database error: %s"),
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DB::errorMessage($r)));
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}
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} /* End of class abook_database */
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?>
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