**
** Functions and classes for the addressbook system.
**
+ ** $Id$
**/
- $addressbook_php = true;
+ if (defined ('addressbook_php'))
+ return;
+ define ('addressbook_php', true);
+
+ // This is the path to the global site-wide addressbook.
+ // It looks and feels just like a user's .abook file
+ // If this is in the data directory, use "$data_dir/global.abook"
+ // If not, specify the path as though it was accessed from the
+ // src/ directory ("../global.abook" -> in main directory)
+ //
+ // If you don't want a global site-wide addressbook, comment these
+ // two lines out. (They are disabled by default.)
+ //
+ // The global addressbook is unmodifiable by anyone. You must actually
+ // use a shell script or whatnot to modify the contents.
+ //
+ //global $data_dir;
+ //$address_book_global_filename = "$data_dir/global.abook";
+
+
// Include backends here.
- include("../functions/abook_local_file.php");
- include("../functions/abook_ldap_server.php");
+ include('../functions/abook_local_file.php');
+ include('../functions/abook_ldap_server.php');
+
+ // Use this if you wanna have a global address book
+ if (isset($address_book_global_filename))
+ include('../functions/abook_global_file.php');
+
+ // Only load database backend if database is configured
+ global $addrbook_dsn;
+ if(isset($addrbook_dsn))
+ include('../functions/abook_database.php');
+
// Create and initialize an addressbook object.
// Returns the created object
function addressbook_init($showerr = true, $onlylocal = false) {
- global $data_dir, $username, $ldap_server;
+ global $data_dir, $username, $ldap_server, $address_book_global_filename;
+ global $addrbook_dsn;
// Create a new addressbook object
$abook = new AddressBook;
- // Always add a local backend
- $filename = sprintf("%s%s.abook", $data_dir, $username);
- $r = $abook->add_backend("local_file", Array("filename" => $filename,
- "create" => true));
- if(!$r && $showerr) {
- printf(_("Error opening file %s"), $filename);
- exit;
+ // Always add a local backend. We use *either* file-based *or* a
+ // database addressbook. If $addrbook_dsn is set, the database
+ // backend is used. If not, addressbooks are stores in files.
+ if(isset($addrbook_dsn) && !empty($addrbook_dsn)) {
+ // Database
+ $r = $abook->add_backend('database', Array('dsn' => $addrbook_dsn,
+ 'owner' => $username,
+ 'table' => 'address'));
+ if(!$r && $showerr) {
+ printf(_("Error initializing addressbook database."));
+ exit;
+ }
+ } else {
+ // File
+ $filename = sprintf('%s%s.abook', $data_dir, $username);
+ $r = $abook->add_backend('local_file', Array('filename' => $filename,
+ 'create' => true));
+ if(!$r && $showerr) {
+ printf(_("Error opening file %s"), $filename);
+ exit;
+ }
+
+ }
+
+ // This would be for the global addressbook
+ if (isset($address_book_global_filename)) {
+ $r = $abook->add_backend('global_file');
+ if (!$r && $showerr) {
+ printf(_("Error initializing global addressbook."));
+ exit;
+ }
}
if($onlylocal)
return $abook;
- // Load configured LDAP servers
- reset($ldap_server);
- while(list($key,$param) = each($ldap_server)) {
- if(is_array($param)) {
- $r = $abook->add_backend("ldap_server", $param);
- if(!$r && $showerr) {
- printf(" "._("Error initializing LDAP server %s:")."<BR>\n",
- $param["host"]);
- printf(" ".$abook->error);
- exit;
- }
- }
+ // Load configured LDAP servers (if PHP has LDAP support)
+ if(isset($ldap_server) && is_array($ldap_server) &&
+ function_exists('ldap_connect')) {
+ reset($ldap_server);
+ while(list($undef,$param) = each($ldap_server)) {
+ if(is_array($param)) {
+ $r = $abook->add_backend('ldap_server', $param);
+ if(!$r && $showerr) {
+ printf(' ' . _("Error initializing LDAP server %s:") .
+ "<BR>\n", $param['host']);
+ print(' ' . $abook->error);
+ exit;
+ }
+ }
+ }
}
// Return the initialized object
return $abook;
}
+
+ // Had to move this function outside of the Addressbook Class
+ // PHP 4.0.4 Seemed to be having problems with inline functions.
+ function addressbook_cmp($a,$b) {
+ if($a['backend'] > $b['backend'])
+ return 1;
+ else if($a['backend'] < $b['backend'])
+ return -1;
+ return (strtolower($a['name']) > strtolower($b['name'])) ? 1 : -1;
+ }
/**
** backends and provide services to the functions above.
**
**/
+
class AddressBook {
var $backends = array();
var $numbackends = 0;
- var $error = "";
+ var $error = '';
var $localbackend = 0;
+ var $localbackendname = '';
// Constructor function.
function AddressBook() {
+ $localbackendname = _("Personal address book");
}
// Return an array of backends of a given type,
// or all backends if no type is specified.
- function get_backend_list($type = "") {
+ function get_backend_list($type = '') {
$ret = array();
for($i = 1 ; $i <= $this->numbackends ; $i++) {
if(empty($type) || $type == $this->backends[$i]->btype) {
- array_push($ret, &$this->backends[$i]);
+ $ret[] = &$this->backends[$i];
}
}
return $ret;
// (without the abook_ prefix), and $param is an optional
// mixed variable that is passed to the backend constructor.
// See each of the backend classes for valid parameters.
- function add_backend($backend, $param = "") {
- $backend_name = "abook_".$backend;
- eval("\$newback = new $backend_name(\$param);");
+ function add_backend($backend, $param = '') {
+ $backend_name = 'abook_' . $backend;
+ eval('$newback = new ' . $backend_name . '($param);');
if(!empty($newback->error)) {
$this->error = $newback->error;
return false;
$this->backends[$this->numbackends] = $newback;
// Store ID of first local backend added
- if($this->localbackend == 0 && $newback->btype == "local")
+ if($this->localbackend == 0 && $newback->btype == 'local') {
$this->localbackend = $this->numbackends;
+ $this->localbackendname = $newback->sname;
+ }
return $this->numbackends;
}
// Return a list of addresses matching expression in
// all backends of a given type.
- function search($expression, $btype = "") {
+ function search($expression, $bnum = -1) {
$ret = array();
- $this->error = "";
-
- $sel = $this->get_backend_list($btype);
- $failed = 0;
- for($i = 0 ; $i < sizeof($sel) ; $i++) {
- $backend = &$sel[$i];
- $backend->error = "";
- $res = $backend->search($expression);
- if(is_array($res)) {
- $ret = array_merge($ret, $res);
- } else {
- $this->error = $this->error . "<br>\n". $backend->error;
- $failed++;
+ $this->error = '';
+
+ // Search all backends
+ if($bnum == -1) {
+ $sel = $this->get_backend_list('');
+ $failed = 0;
+ for($i = 0 ; $i < sizeof($sel) ; $i++) {
+ $backend = &$sel[$i];
+ $backend->error = '';
+ $res = $backend->search($expression);
+ if(is_array($res)) {
+ $ret = array_merge($ret, $res);
+ } else {
+ $this->error .= "<br>\n" . $backend->error;
+ $failed++;
+ }
}
+
+ // Only fail if all backends failed
+ if($failed >= sizeof($sel))
+ return false;
+
}
- // Only fail if all backends failed
- if($failed >= sizeof($sel))
- return false;
+ // Search only one backend
+ else {
+ $ret = $this->backends[$bnum]->search($expression);
+ if(!is_array($ret)) {
+ $this->error .= "<br>\n" . $this->backends[$bnum]->error;
+ return false;
+ }
+ }
return $ret;
}
-
+
// Return a sorted search
- function s_search($expression, $btype = "") {
-
- $ret = $this->search($expression, $btype);
- if(!is_array($ret))
- return $ret;
-
- // Inline function - Not nice, but still..
- function cmp($a,$b) {
- if($a["backend"] > $b["backend"])
- return 1;
- else if($a["backend"] < $b["backend"])
- return -1;
-
- return (strtolower($a["name"]) > strtolower($b["name"])) ? 1 : -1;
- }
-
- usort($ret, 'cmp');
- return $ret;
+ function s_search($expression, $bnum = -1) {
+
+ $ret = $this->search($expression, $bnum);
+ if(!is_array($ret))
+ return $ret;
+ usort($ret, 'addressbook_cmp');
+ return $ret;
}
// Lookup an address by alias. Only possible in
// local backends.
- function lookup($alias) {
+ function lookup($alias, $bnum = -1) {
$ret = array();
- $sel = $this->get_backend_list("local");
+ if($bnum > -1) {
+ $res = $this->backends[$bnum]->lookup($alias);
+ if(is_array($res)) {
+ return $res;
+ } else {
+ $this->error = $backend->error;
+ return false;
+ }
+ }
+
+ $sel = $this->get_backend_list('local');
for($i = 0 ; $i < sizeof($sel) ; $i++) {
$backend = &$sel[$i];
- $backend->error = "";
+ $backend->error = '';
$res = $backend->lookup($alias);
if(is_array($res)) {
- return $res;
+ if(!empty($res))
+ return $res;
} else {
$this->error = $backend->error;
return false;
// Return all addresses
- function list_addr() {
+ function list_addr($bnum = -1) {
$ret = array();
- $sel = $this->get_backend_list("local");
+ if($bnum == -1)
+ $sel = $this->get_backend_list('local');
+ else
+ $sel = array(0 => &$this->backends[$bnum]);
+
for($i = 0 ; $i < sizeof($sel) ; $i++) {
$backend = &$sel[$i];
- $backend->error = "";
+ $backend->error = '';
$res = $backend->list_addr();
if(is_array($res)) {
$ret = array_merge($ret, $res);
$this->error = _("Invalid input data");
return false;
}
- if(empty($userdata["fullname"]) &&
- empty($userdata["lastname"])) {
+ if(empty($userdata['firstname']) &&
+ empty($userdata['lastname'])) {
$this->error = _("Name is missing");
return false;
}
- if(empty($userdata["email"])) {
+ if(empty($userdata['email'])) {
$this->error = _("E-mail address is missing");
return false;
}
- if(empty($userdata["nickname"])) {
- $userdata["nickname"] = $userdata["email"];
+ if(empty($userdata['nickname'])) {
+ $userdata['nickname'] = $userdata['email'];
+ }
+
+ if(eregi('[ \\:\\|\\#\\"\\!]', $userdata['nickname'])) {
+ $this->error = _("Nickname contain illegal characters");
+ return false;
}
// Check that specified backend accept new entries
}
return false; // Not reached
- }
+ } // end of add()
- }
+ // Remove the user identified by $alias from backend $bnum
+ // If $alias is an array, all users in the array are removed.
+ function remove($alias, $bnum) {
+
+ // Check input
+ if(empty($alias))
+ return true;
+
+ // Convert string to single element array
+ if(!is_array($alias))
+ $alias = array(0 => $alias);
+
+ // Check that specified backend is writable
+ if(!$this->backends[$bnum]->writeable) {
+ $this->error = _("Addressbook is read-only");
+ return false;
+ }
+
+ // Remove user from backend
+ $res = $this->backends[$bnum]->remove($alias);
+ if($res) {
+ return $bnum;
+ } else {
+ $this->error = $this->backends[$bnum]->error;
+ return false;
+ }
+
+ return false; // Not reached
+ } // end of remove()
+
+
+ // Remove the user identified by $alias from backend $bnum
+ // If $alias is an array, all users in the array are removed.
+ function modify($alias, $userdata, $bnum) {
+
+ // Check input
+ if(empty($alias) || !is_string($alias))
+ return true;
+
+ // Validate data
+ if(!is_array($userdata)) {
+ $this->error = _("Invalid input data");
+ return false;
+ }
+ if(empty($userdata['firstname']) &&
+ empty($userdata['lastname'])) {
+ $this->error = _("Name is missing");
+ return false;
+ }
+ if(empty($userdata['email'])) {
+ $this->error = _("E-mail address is missing");
+ return false;
+ }
+
+ if(eregi('[\\: \\|\\#"\\!]', $userdata['nickname'])) {
+ $this->error = _("Nickname contain illegal characters");
+ return false;
+ }
+
+ if(empty($userdata['nickname'])) {
+ $userdata['nickname'] = $userdata['email'];
+ }
+
+ // Check that specified backend is writable
+ if(!$this->backends[$bnum]->writeable) {
+ $this->error = _("Addressbook is read-only");;
+ return false;
+ }
+
+ // Modify user in backend
+ $res = $this->backends[$bnum]->modify($alias, $userdata);
+ if($res) {
+ return $bnum;
+ } else {
+ $this->error = $this->backends[$bnum]->error;
+ return false;
+ }
+
+ return false; // Not reached
+ } // end of modify()
+
+
+ } // End of class Addressbook
/**
** Generic backend that all other backends extend
class addressbook_backend {
// Variables that all backends must provide.
- var $btype = "dummy";
- var $bname = "dummy";
- var $sname = "Dummy backend";
+ var $btype = 'dummy';
+ var $bname = 'dummy';
+ var $sname = 'Dummy backend';
// Variables common for all backends, but that
// should not be changed by the backends.
var $bnum = -1;
- var $error = "";
+ var $error = '';
var $writeable = false;
function set_error($string) {
- $this->error = "[" . $this->sname . "] " . $string;
+ $this->error = '[' . $this->sname . '] ' . $string;
return false;
}
// ========================== Public ========================
function search($expression) {
- $this->set_error("search not implemented");
+ $this->set_error('search not implemented');
return false;
}
function lookup($alias) {
- $this->set_error("lookup not implemented");
+ $this->set_error('lookup not implemented');
return false;
}
function list_addr() {
- $this->set_error("list_addr not implemented");
+ $this->set_error('list_addr not implemented');
return false;
}
function add($userdata) {
- $this->set_error("add not implemented");
+ $this->set_error('add not implemented');
+ return false;
+ }
+
+ function remove($alias) {
+ $this->set_error('delete not implemented');
+ return false;
+ }
+
+ function modify($alias, $newuserdata) {
+ $this->set_error('modify not implemented');
return false;
}