LDAPAccountManager/lam/lib/lists.inc

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<?php
/*
$Id$
This code is part of LDAP Account Manager (http://www.sourceforge.net/projects/lam)
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Copyright (C) 2003 - 2006 Roland Gruber
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This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/**
* This file includes functions to manage the list views.
*
* @package lists
* @author Roland Gruber
*/
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/** Used to get type information. */
include_once("types.inc");
/** Used to get PDF information. */
include_once("pdfstruct.inc");
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/** Used to create PDF files. */
include_once("pdf.inc");
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/**
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* Generates the list view.
*
* @package lists
* @author Roland Gruber
*
*/
class lamList {
/** Account type */
var $type;
/** current page number */
var $page = 1;
/** list of LDAP attributes */
var $attrArray = array();
/** list of attribute descriptions */
var $descArray = array();
/** maximum count of entries per page */
var $maxPageEntries = 10;
/** sort column name */
var $sortColumn;
/** LDAP suffix */
var $suffix;
/** refresh page switch */
var $refresh = true;
/** LDAP entries */
var $entries;
/** filter string to include in URL */
var $filterText;
/** list of possible LDAP suffixes(organizational units) */
var $possibleSuffixes;
/** list of account specific labels */
var $labels;
/**
* Constructor
*
* @param string $type account type
* @return lamList list object
*/
function lamList($type) {
$this->type = $type;
$this->labels = array(
'nav' => _("%s object(s) found"),
'error_noneFound' => _("No objects found!"),
'newEntry' => _("New object"),
'deleteEntry' => _("Delete object"),
'createPDF' => _("Create PDF for selected object(s)"),
'createPDFAll' => _("Create PDF for all objects"));
}
/**
* Prints the HTML code to display the list view.
*/
function showPage() {
// do POST actions
$this->listDoPost();
// get some parameters
$this->listGetParams();
// print HTML head
$this->listPrintHeader();
// refresh data if needed
if ($this->refresh) $this->listRefreshData();
// filter entries
$filteredEntries = $this->listFilterAccounts();
// sort rows by sort column
if ($filteredEntries) {
$filteredEntries = $this->listSort($filteredEntries);
}
// show form
echo ("<form action=\"list.php?type=" . $this->type . "&amp;norefresh=true\" method=\"post\">\n");
// draw account list if accounts were found
if (sizeof($filteredEntries) > 0) {
// navigation bar
$this->listDrawNavigationBar(sizeof($filteredEntries));
echo ("<br>\n");
// account table head
$this->listPrintTableHeader();
// account table body
$this->listPrintTableBody($filteredEntries);
// navigation bar
$this->listDrawNavigationBar(sizeof($filteredEntries));
echo ("<br>\n");
// print combobox with possible sub-DNs
$this->listShowOUSelection();
// buttons
$this->listPrintButtons(false);
}
else {
// account table head
$this->listPrintTableHeader();
echo "</table><br>\n";
// print combobox with possible sub-DNs
$this->listShowOUSelection();
echo ("<br>\n");
$this->listPrintButtons(true);
}
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echo ("</form>\n");
echo "</body></html>\n";
}
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/**
* Builds the regular expressions from the filter values.
*
* @return array filter data array($attribute => array('regex' => $reg, 'original' => $orig))
* $reg is the regular expression to use, $orig the user's unmodified input string
*/
function listBuildFilter() {
$filter = array();
// build filter array
for ($i = 0; $i < sizeof($this->attrArray); $i++) {
if (isset($_POST["filter" . strtolower($this->attrArray[$i])]) && eregi('^([0-9a-z _\\*\\$-])+$', $_POST["filter" . strtolower($this->attrArray[$i])])) {
$filter[$this->attrArray[$i]]['original'] = $_POST["filter" . strtolower($this->attrArray[$i])];
$filter[$this->attrArray[$i]]['regex'] = $_POST["filter" . strtolower($this->attrArray[$i])];
// replace special characters
$filter[$this->attrArray[$i]]['regex'] = str_replace("*", "(.)*", $filter[$this->attrArray[$i]]['regex']);
$filter[$this->attrArray[$i]]['regex'] = str_replace('$', '[$]', $filter[$this->attrArray[$i]]['regex']);
// add string begin and end
$filter[$this->attrArray[$i]]['regex'] = "^" . $filter[$this->attrArray[$i]]['regex'] . "$";
}
}
// save filter string
$filterAttributes = array_keys($filter);
$searchFilter = array();
for ($i = 0; $i < sizeof($filterAttributes); $i++) {
$searchFilter[] = "filter" . $filterAttributes[$i] . "=" . $filter[$filterAttributes[$i]]['original'];
}
if (sizeof($searchFilter) > 0) {
$searchFilter = "&amp;" . implode("&amp;", $searchFilter);
}
else {
$searchFilter = "";
}
$this->filterText = $searchFilter;
return $filter;
}
/**
* Removes all entries which do not fit to the filter.
*
* @return array filtered list of accounts
*/
function listFilterAccounts() {
$entries = $this->entries;
$filter = $this->listBuildFilter();
$attributes = array_keys($filter);
for ($r = 0; $r < sizeof($entries); $r++) {
for ($a = 0; $a < sizeof($attributes); $a++) {
// check if filter fits
$found = false;
for ($i = 0; $i < sizeof($entries[$r][$attributes[$a]]); $i++) {
if (eregi($filter[$attributes[$a]]['regex'], $entries[$r][$attributes[$a]][$i])) {
$found = true;
break;
}
}
if (!$found) {
// remove account and reindex array
unset($entries[$r]);
$entries = array_values($entries);
$r--;
break;
}
}
}
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if (sizeof($entries) == 0) StatusMessage("WARN", $this->labels['error_noneFound']);
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return $entries;
}
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/**
* Sorts an account list by a given attribute
*
* @param array $info the account list
* @return array sorted account list
*/
function listSort($info) {
if (!is_array($this->attrArray)) return $info;
if (!is_string($this->sortColumn)) return $info;
// sort and return account list
usort($info, array($this, "cmp_array"));
return $info;
}
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/**
* Compare function used for usort-method
*
* Rows are sorted with the first attribute entry of the sort column.
* If objects have attributes with multiple values only the first is used for sorting.
*
* @param array $a first row which is compared
* @param array $b second row which is compared
* @return integer 0 if both are equal, 1 if $a is greater, -1 if $b is greater
*/
function cmp_array($a, $b) {
// sort specifies the sort column
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$sort = $this->sortColumn;
$attr_array = $this->attrArray;
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// sort by first column if no attribute is given
if (!$sort) $sort = strtolower($attr_array[0]);
if ($sort != "dn") {
// sort by first attribute with name $sort
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return strnatcasecmp($a[$sort][0], $b[$sort][0]);
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}
else {
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return strnatcasecmp($a[$sort], $b[$sort]);
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}
}
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/**
* Draws a navigation bar to switch between pages
*
* @param integer $count number of account entries
*/
function listDrawNavigationBar($count) {
echo("<table class=\"" . $this->type . "nav\" width=\"100%\" border=\"0\">\n");
echo("<tr>\n");
echo("<td><input type=\"submit\" name=\"refresh\" value=\"" . _("Refresh") . "\">&nbsp;&nbsp;");
if ($this->page != 1) {
echo("<a href=\"list.php?type=" . $this->type . "&amp;norefresh=true&amp;page=" . ($this->page - 1) . "&amp;sort=" . $this->sortColumn . $this->filterText . "\">&lt;=</a>\n");
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}
else {
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echo("&lt;=");
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}
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echo("&nbsp;");
if ($this->page < ($count / $this->maxPageEntries)) {
echo("<a href=\"list.php?type=" . $this->type . "&amp;norefresh=true&amp;page=" . ($this->page + 1) . "&amp;sort=" . $this->sortColumn . $this->filterText . "\">=&gt;</a>\n");
}
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else {
echo("=&gt;</td>");
}
echo("<td class=\"" . $this->type . "nav-text\">");
echo"&nbsp;";
printf($this->labels['nav'], $count);
echo("</td>");
echo("<td class=\"" . $this->type . "nav-activepage\" align=\"right\">");
for ($i = 0; $i < ($count / $this->maxPageEntries); $i++) {
if ($i == $this->page - 1) {
echo("&nbsp;" . ($i + 1));
}
else {
echo("&nbsp;<a href=\"list.php?type=" . $this->type . "&amp;norefresh=true&amp;page=" . ($i + 1) . "&amp;sort=" . $this->sortColumn . "\">" . ($i + 1) . "</a>\n");
}
}
echo("</td></tr></table>\n");
}
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/**
* Prints the attribute and filter row at the account table head
*/
function listPrintTableHeader() {
// print table header
echo "<table rules=\"all\" class=\"" . $this->type . "list\" width=\"100%\">\n";
echo "<tr class=\"" . $this->type . "list-head\">\n<th width=22 height=34></th>\n<th></th>\n";
// table header
for ($k = 0; $k < sizeof($this->descArray); $k++) {
if (strtolower($this->attrArray[$k]) == $this->sortColumn) {
echo "<th class=\"" . $this->type . "list-sort\"><a href=\"list.php?type=" . $this->type . "&amp;".
"sort=" . strtolower($this->attrArray[$k]) . $this->filterText . "&amp;norefresh=y" . "\">" . $this->descArray[$k] . "</a></th>\n";
}
else echo "<th><a href=\"list.php?type=" . $this->type . "&amp;".
"sort=" . strtolower($this->attrArray[$k]) . $this->filterText . "&amp;norefresh=y" . "\">" . $this->descArray[$k] . "</a></th>\n";
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}
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echo "</tr>\n";
// print filter row
echo "<tr align=\"center\" class=\"" . $this->type . "list\">\n";
echo "<td width=22 height=34>";
// help link
echo "<a href=\"../help.php?HelpNumber=250\" target=\"lamhelp\">";
echo "<img src=\"../../graphics/help.png\" alt=\"" . _('Help') . "\" title=\"" . _('Help') . "\">";
echo "</a>\n";
echo "</td>\n";
echo "<td>";
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echo "<input type=\"submit\" name=\"apply_filter\" value=\"" . _("Filter") . "\">";
echo "</td>\n";
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// print input boxes for filters
for ($k = 0; $k < sizeof ($this->descArray); $k++) {
$value = "";
if (isset($_POST["filter" . strtolower($this->attrArray[$k])])) {
$value = " value=\"" . $_POST["filter" . strtolower($this->attrArray[$k])] . "\"";
}
echo "<td>";
echo ("<input type=\"text\" size=15 name=\"filter" . strtolower ($this->attrArray[$k]) ."\"" . $value . ">");
echo "</td>\n";
}
echo "</tr>\n";
}
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/**
* Prints the entry list
*
* @param array $info entries
*/
function listPrintTableBody($info) {
// calculate which rows to show
$table_begin = ($this->page - 1) * $this->maxPageEntries;
if (($this->page * $this->maxPageEntries) > sizeof($info)) $table_end = sizeof($info);
else $table_end = ($this->page * $this->maxPageEntries);
// print account list
for ($i = $table_begin; $i < $table_end; $i++) {
echo("<tr class=\"" . $this->type . "list\" onMouseOver=\"list_over(this, '" . $info[$i]['LAM_ID'] . "', '" . $this->type . "')\"\n" .
" onMouseOut=\"list_out(this, '" . $info[$i]['LAM_ID'] . "', '" . $this->type . "')\"\n" .
" onClick=\"list_click(this, '" . $info[$i]['LAM_ID'] . "', '" . $this->type . "')\"\n" .
" onDblClick=\"parent.frames[1].location.href='../account/edit.php?type=" . $this->type . "&amp;DN=" . $info[$i]['dn'] . "'\">\n");
if (isset($_GET['selectall'])) {
echo " <td height=22 align=\"center\"><input onClick=\"list_click(this, '" . $info[$i]['LAM_ID'] . "', '" . $this->type . "')\"" .
" type=\"checkbox\" checked name=\"" . $info[$i]['LAM_ID'] . "\"></td>\n";
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}
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else {
echo " <td height=22 align=\"center\"><input onClick=\"list_click(this, '" . $info[$i]['LAM_ID'] . "', '" . $this->type . "')\"" .
" type=\"checkbox\" name=\"" . $info[$i]['LAM_ID'] . "\"></td>\n";
}
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echo (" <td align='center'><a href=\"../account/edit.php?type=" . $this->type . "&amp;DN='" . $info[$i]['dn'] . "'\">" . _("Edit") . "</a></td>\n");
for ($k = 0; $k < sizeof($this->attrArray); $k++) {
echo ("<td>");
// print all attribute entries seperated by "; "
$attrName = strtolower($this->attrArray[$k]);
if (isset($info[$i][$attrName]) && sizeof($info[$i][$attrName]) > 0) {
// delete "count" entry
unset($info[$i][$attrName]['count']);
if (is_array($info[$i][$attrName])) {
// sort array
sort($info[$i][$attrName]);
echo implode("; ", $info[$i][$attrName]);
}
else echo $info[$i][$attrName];
}
echo ("</td>\n");
}
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echo("</tr>\n");
}
// display select all link
$colspan = sizeof($this->attrArray) + 1;
echo "<tr class=\"" . $this->type . "list\">\n";
echo "<td align=\"center\"><img src=\"../../graphics/select.png\" alt=\"select all\"></td>\n";
echo "<td colspan=$colspan>&nbsp;<a href=\"list.php?type=" . $this->type . "&amp;norefresh=y&amp;page=" . $this->page .
"&amp;sort=" . $this->sortColumn . $this->filterText . "&amp;selectall=yes\">" .
"<font color=\"black\"><b>" . _("Select all") . "</b></font></a></td>\n";
echo "</tr>\n";
echo ("</table>");
echo ("<br>");
}
/**
* Manages all POST actions (e.g. button pressed) for the account lists.
*/
function listDoPost() {
// check if button was pressed and if we have to add/delete an account
if (isset($_POST['new']) || isset($_POST['del']) || isset($_POST['pdf']) || isset($_POST['pdf_all'])){
// add new account
if (isset($_POST['new'])){
metaRefresh("../account/edit.php?type=" . $this->type);
exit;
}
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// delete account(s)
elseif (isset($_POST['del'])){
// search for checkboxes
$accounts = array_keys($_POST, "on");
$_SESSION['delete_dn'] = array();
for ($i = 0; $i < sizeof($accounts); $i++) {
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$_SESSION['delete_dn'][] = $this->entries[$accounts[$i]]['dn'];
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}
if (sizeof($accounts) > 0) {
metaRefresh("../delete.php?type=" . $this->type);
exit;
}
}
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// PDF for selected accounts
elseif (isset($_POST['pdf'])){
$pdf_structure = $_POST['pdf_structure'];
// search for checkboxes
$accounts = array_keys($_POST, "on");
$list = array();
// load accounts from LDAP
for ($i = 0; $i < sizeof($accounts); $i++) {
if (!isset($this->entries[$accounts[$i]]['dn'])) continue;
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$_SESSION["accountPDF-$i"] = new accountContainer($this->type, "accountPDF-$i");
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$_SESSION["accountPDF-$i"]->load_account($this->entries[$accounts[$i]]['dn']);
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$list[$i] = $_SESSION["accountPDF-$i"];
}
if (sizeof($list) > 0) {
createModulePDF($list,$pdf_structure);
exit;
}
}
// PDF for all accounts
elseif (isset($_POST['pdf_all'])){
$list = array();
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for ($i = 0; $i < sizeof($this->entries); $i++) {
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$_SESSION["accountPDF-$i"] = new accountContainer($this->type, "accountPDF-$i");
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$_SESSION["accountPDF-$i"]->load_account($this->entries[$i]['dn']);
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$list[$i] = $_SESSION["accountPDF-$i"];
}
if (sizeof($list) > 0) {
createModulePDF($list,$_POST['pdf_structure']);
exit;
}
}
}
}
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/**
* Prints a combobox with possible sub-DNs.
*/
function listShowOUSelection() {
if (sizeof($this->possibleSuffixes) > 1) {
echo ("<p align=\"left\">\n");
echo ("<b>" . _("Suffix") . ": </b>");
echo ("<select size=1 name=\"suffix\">\n");
for ($i = 0; $i < sizeof($this->possibleSuffixes); $i++) {
if ($this->suffix == $this->possibleSuffixes[$i]) {
echo ("<option selected>" . $this->possibleSuffixes[$i] . "</option>\n");
}
else echo("<option>" . $this->possibleSuffixes[$i] . "</option>\n");
}
echo ("</select>\n");
echo ("<input type=\"submit\" name=\"refresh\" value=\"" . _("Change suffix") . "\">");
echo ("</p>\n");
}
}
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/**
* Prints the create, delete and PDF buttons.
*
* @param boolean $createOnly true if only the create button should be displayed
*/
function listPrintButtons($createOnly) {
// add/delete/PDF buttons
echo ("<input type=\"submit\" name=\"new\" value=\"" . $this->labels['newEntry'] . "\">\n");
if (!$createOnly) {
echo ("<input type=\"submit\" name=\"del\" value=\"" . $this->labels['deleteEntry'] . "\">\n");
echo ("<br><br><br>\n");
echo "<fieldset><legend><b>PDF</b></legend>\n";
echo ("<b>" . _('PDF structure') . ":</b>&nbsp;&nbsp;<select name=\"pdf_structure\">\n");
$pdf_structures = getPDFStructureDefinitions($this->type);
foreach($pdf_structures as $pdf_structure) {
echo "<option " . (($pdf_structure == 'default') ? " selected" : "") . ">" . $pdf_structure . "</option>";
}
echo "</select>&nbsp;&nbsp;&nbsp;&nbsp;\n";
echo ("<input type=\"submit\" name=\"pdf\" value=\"" . $this->labels['createPDF'] . "\">\n");
echo "&nbsp;";
echo ("<input type=\"submit\" name=\"pdf_all\" value=\"" . $this->labels['createPDFAll'] . "\">\n");
echo "</fieldset>";
}
}
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/**
* Prints the HTML head.
*/
function listPrintHeader() {
echo $_SESSION['header'];
echo "<title>Account list</title>\n";
echo "<link rel=\"stylesheet\" type=\"text/css\" href=\"../../style/layout.css\">\n";
echo "<link rel=\"stylesheet\" type=\"text/css\" href=\"../../style/type_" . $this->type . ".css\">\n";
echo "</head><body>\n";
$this->listPrintJavaScript();
}
/**
* Prints JavaScript code needed for mouse-over effects.
*/
function listPrintJavaScript() {
echo "<script type=\"text/javascript\" language=\"javascript\">\n";
echo "<!--\n";
// mouseOver function
echo "function list_over(list, box, scope) {\n";
echo "cbox = document.getElementsByName(box)[0];\n";
echo "if (cbox.checked == false) list.setAttribute('class', scope + 'list-over', 0);\n";
echo "}";
// mouseOut function
echo "function list_out(list, box, scope) {\n";
echo "cbox = document.getElementsByName(box)[0];\n";
echo "if (cbox.checked == false) list.setAttribute('class', scope + 'list', 0);\n";
echo "}\n";
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// onClick function
echo "function list_click(list, box, scope) {\n";
echo "cbox = document.getElementsByName(box)[0];\n";
echo "if (cbox.checked == true) {\n";
echo "cbox.checked = false;\n";
echo "list.setAttribute('class', scope + 'list-over', 0);\n";
echo "}\n";
echo "else {\n";
echo "cbox.checked = true;\n";
echo "list.setAttribute('class', scope + 'list-checked', 0);\n";
echo "}\n";
echo "}\n";
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echo "//-->\n";
echo "</script>\n";
}
/**
* Returns an hash array containing with all attributes to be shown and their descriptions.
* Format: array(attribute => description)
*
* @return array attribute list
*/
function listGetAttributeDescriptionList() {
$ret = array();
$attr_string = $_SESSION["config"]->get_listAttributes($this->type);
$temp_array = explode(";", $attr_string);
$hash_table = getListAttributeDescriptions($this->type);
// generate column attributes and descriptions
for ($i = 0; $i < sizeof($temp_array); $i++) {
// if value is predifined, look up description in hash_table
if (substr($temp_array[$i],0,1) == "#") {
$attr = strtolower(substr($temp_array[$i],1));
if (isset($hash_table[$attr])) {
$ret[$attr] = $hash_table[$attr];
}
else {
$ret[$attr] = $attr;
}
}
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// if not predefined, the attribute is seperated by a ":" from description
else {
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$attr = explode(":", $temp_array[$i]);
if (isset($attr[1])) {
$ret[$attr[0]] = $attr[1];
}
else {
$ret[$attr[0]] = $attr[0];
}
}
}
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return $ret;
}
/**
* Sets some internal parameters.
*/
function listGetParams() {
// get current page
if (isset($_GET["page"])) $this->page = $_GET["page"];
else $this->page = 1;
// generate attribute-description table
$temp_array = $this->listGetAttributeDescriptionList();
$this->attrArray = array_keys($temp_array); // list of LDAP attributes to show
$this->descArray = array_values($temp_array); // list of descriptions for the attributes
// get maximum count of entries shown on one page
if ($_SESSION["config"]->get_MaxListEntries() <= 0)
$this->maxPageEntries = 10; // default setting, if not yet set
else
$this->maxPageEntries = $_SESSION["config"]->get_MaxListEntries();
// get sorting column
if (isset($_GET["sort"])) $this->sortColumn = $_GET["sort"];
else $this->sortColumn = strtolower($this->attrArray[0]);
// check search suffix
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if (isset($_POST['suffix'])) $this->suffix = $_POST['suffix']; // new suffix selected via combobox
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elseif (!$this->suffix) $this->suffix = $_SESSION["config"]->get_Suffix($this->type); // default suffix
// check if LDAP data should be refreshed
$this->refresh = true;
if (isset($_GET['norefresh'])) $this->refresh = false;
if (isset($_POST['refresh'])) $this->refresh = true;
}
/**
* Rereads the entries from LDAP.
*/
function listRefreshData() {
// configure search filter
$module_filter = get_ldap_filter($this->type); // basic filter is provided by modules
$filter = "(&" . $module_filter . ")";
$attrs = $this->attrArray;
$sr = @ldap_search($_SESSION["ldap"]->server(), $this->suffix, $filter, $attrs);
if (ldap_errno($_SESSION["ldap"]->server()) == 4) {
StatusMessage("WARN", _("LDAP sizelimit exceeded, not all entries are shown."), _("See README.openldap.txt to solve this problem."));
}
if ($sr) {
$info = ldap_get_entries($_SESSION["ldap"]->server, $sr);
ldap_free_result($sr);
// delete first array entry which is "count"
unset($info['count']);
// save position in original $info
for ($i = 0; $i < sizeof($info); $i++) $info[$i]['LAM_ID'] = $i;
// save results
$this->entries = $info;
}
else {
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$this->entries = array();
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StatusMessage("ERROR", _("LDAP Search failed! Please check your preferences."));
}
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// generate list of possible suffixes
$this->possibleSuffixes = $_SESSION['ldap']->search_units($_SESSION["config"]->get_Suffix($this->type));
}
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}
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?>