Browse Source

load wifi stations via ajax, cache the scan result

until the "rescan" button is pressed. speeds up
"configure client" page massively.
pull/372/head
glaszig 3 years ago
parent
commit
993dc633a9
  1. 94
      ajax/networking/wifi_stations.php
  2. 6
      dist/css/custom.css
  3. BIN
      img/loading-spinner.gif
  4. 1
      includes/config.php
  5. 174
      includes/configure_client.php
  6. 64
      includes/functions.php
  7. 16
      js/custom.js
  8. 93
      templates/wifi_stations.php

94
ajax/networking/wifi_stations.php

@ -0,0 +1,94 @@
<?php
require('../../includes/csrf.php');
include_once('../../includes/config.php');
include_once('../../includes/functions.php');
$cacheTime = filemtime(RASPI_WPA_SUPPLICANT_CONFIG);
$cacheKey = "wifi_stations_$cacheTime";
if (isset($_REQUEST["refresh"])) {
deleteCache($cacheKey);
}
echo cache($cacheKey, function() {
$networks = [];
$network = null;
$ssid = null;
// Find currently configured networks
exec(' sudo cat ' . RASPI_WPA_SUPPLICANT_CONFIG, $known_return);
foreach ($known_return as $line) {
if (preg_match('/network\s*=/', $line)) {
$network = array('visible' => false, 'configured' => true, 'connected' => false);
} elseif ($network !== null) {
if (preg_match('/^\s*}\s*$/', $line)) {
$networks[$ssid] = $network;
$network = null;
$ssid = null;
} elseif ($lineArr = preg_split('/\s*=\s*/', trim($line))) {
switch (strtolower($lineArr[0])) {
case 'ssid':
$ssid = trim($lineArr[1], '"');
break;
case 'psk':
if (array_key_exists('passphrase', $network)) {
break;
}
case '#psk':
$network['protocol'] = 'WPA';
case 'wep_key0': // Untested
$network['passphrase'] = trim($lineArr[1], '"');
break;
case 'key_mgmt':
if (! array_key_exists('passphrase', $network) && $lineArr[1] === 'NONE') {
$network['protocol'] = 'Open';
}
break;
case 'priority':
$network['priority'] = trim($lineArr[1], '"');
break;
}
}
}
}
exec('sudo wpa_cli -i ' . RASPI_WIFI_CLIENT_INTERFACE . ' scan');
sleep(3);
exec('sudo wpa_cli -i ' . RASPI_WIFI_CLIENT_INTERFACE . ' scan_results', $scan_return);
array_shift($scan_return);
foreach ($scan_return as $network) {
$arrNetwork = preg_split("/[\t]+/", $network); // split result into array
// If network is saved
if (array_key_exists(4, $arrNetwork) && array_key_exists($arrNetwork[4], $networks)) {
$networks[$arrNetwork[4]]['visible'] = true;
$networks[$arrNetwork[4]]['channel'] = ConvertToChannel($arrNetwork[1]);
// TODO What if the security has changed?
} else {
$networks[$arrNetwork[4]] = array(
'configured' => false,
'protocol' => ConvertToSecurity($arrNetwork[3]),
'channel' => ConvertToChannel($arrNetwork[1]),
'passphrase' => '',
'visible' => true,
'connected' => false
);
}
// Save RSSI
if (array_key_exists(4, $arrNetwork)) {
$networks[$arrNetwork[4]]['RSSI'] = $arrNetwork[2];
}
}
exec('iwconfig ' . RASPI_WIFI_CLIENT_INTERFACE, $iwconfig_return);
foreach ($iwconfig_return as $line) {
if (preg_match('/ESSID:\"([^"]+)\"/i', $line, $iwconfig_ssid)) {
$networks[$iwconfig_ssid[1]]['connected'] = true;
}
}
return renderTemplate('wifi_stations', compact('networks'));
});

6
dist/css/custom.css

@ -69,3 +69,9 @@ pre.unstyled {
margin-top: 0.5em;
margin-bottom: 0.5em;
}
.loading-spinner {
background: url("../../img/loading-spinner.gif") no-repeat scroll center center transparent;
min-height: 150px;
width: 100%;
}

BIN
img/loading-spinner.gif

After

Width: 218  |  Height: 149  |  Size: 2.0 KiB

1
includes/config.php

@ -5,6 +5,7 @@ define('RASPI_CONFIG', '/etc/raspap');
define('RASPI_CONFIG_NETWORKING', RASPI_CONFIG.'/networking');
define('RASPI_ADMIN_DETAILS', RASPI_CONFIG.'/raspap.auth');
define('RASPI_WIFI_CLIENT_INTERFACE', 'wlan0');
define('RASPI_CACHE_PATH', sys_get_temp_dir() . '/raspap');
// Constants for configuration file paths.
// These are typical for default RPi installs. Modify if needed.

174
includes/configure_client.php

@ -7,48 +7,6 @@
function DisplayWPAConfig()
{
$status = new StatusMessages();
$networks = array();
// Find currently configured networks
exec(' sudo cat ' . RASPI_WPA_SUPPLICANT_CONFIG, $known_return);
$network = null;
$ssid = null;
foreach ($known_return as $line) {
if (preg_match('/network\s*=/', $line)) {
$network = array('visible' => false, 'configured' => true, 'connected' => false);
} elseif ($network !== null) {
if (preg_match('/^\s*}\s*$/', $line)) {
$networks[$ssid] = $network;
$network = null;
$ssid = null;
} elseif ($lineArr = preg_split('/\s*=\s*/', trim($line))) {
switch (strtolower($lineArr[0])) {
case 'ssid':
$ssid = trim($lineArr[1], '"');
break;
case 'psk':
if (array_key_exists('passphrase', $network)) {
break;
}
case '#psk':
$network['protocol'] = 'WPA';
case 'wep_key0': // Untested
$network['passphrase'] = trim($lineArr[1], '"');
break;
case 'key_mgmt':
if (! array_key_exists('passphrase', $network) && $lineArr[1] === 'NONE') {
$network['protocol'] = 'Open';
}
break;
case 'priority':
$network['priority'] = trim($lineArr[1], '"');
break;
}
}
}
}
if (isset($_POST['connect'])) {
$result = 0;
@ -128,45 +86,6 @@ function DisplayWPAConfig()
}
}
exec('sudo wpa_cli -i ' . RASPI_WIFI_CLIENT_INTERFACE . ' scan');
sleep(3);
exec('sudo wpa_cli -i ' . RASPI_WIFI_CLIENT_INTERFACE . ' scan_results', $scan_return);
array_shift($scan_return);
// display output
foreach ($scan_return as $network) {
$arrNetwork = preg_split("/[\t]+/", $network); // split result into array
// If network is saved
if (array_key_exists(4, $arrNetwork) && array_key_exists($arrNetwork[4], $networks)) {
$networks[$arrNetwork[4]]['visible'] = true;
$networks[$arrNetwork[4]]['channel'] = ConvertToChannel($arrNetwork[1]);
// TODO What if the security has changed?
} else {
$networks[$arrNetwork[4]] = array(
'configured' => false,
'protocol' => ConvertToSecurity($arrNetwork[3]),
'channel' => ConvertToChannel($arrNetwork[1]),
'passphrase' => '',
'visible' => true,
'connected' => false
);
}
// Save RSSI
if (array_key_exists(4, $arrNetwork)) {
$networks[$arrNetwork[4]]['RSSI'] = $arrNetwork[2];
}
}
exec('iwconfig ' . RASPI_WIFI_CLIENT_INTERFACE, $iwconfig_return);
foreach ($iwconfig_return as $line) {
if (preg_match('/ESSID:\"([^"]+)\"/i', $line, $iwconfig_ssid)) {
$networks[$iwconfig_ssid[1]]['connected'] = true;
}
}
?>
<div class="row">
@ -178,7 +97,7 @@ function DisplayWPAConfig()
<p><?php $status->showMessages(); ?></p>
<h4><?php echo _("Client settings"); ?></h4>
<div class="btn-group btn-block">
<a href=".?<?php echo htmlspecialchars($_SERVER['QUERY_STRING'], ENT_QUOTES); ?>" style="padding:10px;float: right;display: block;position: relative;margin-top: -55px;" class="col-md-2 btn btn-info" id="update"><?php echo _("Rescan"); ?></a>
<button type="button" style="padding:10px;float: right;display: block;position: relative;margin-top: -55px;" class="col-md-2 btn btn-info js-reload-wifi-stations"><?php echo _("Rescan"); ?></button>
</div>
<form method="POST" action="?page=wpa_conf" name="wpa_conf_form">
@ -195,96 +114,7 @@ function DisplayWPAConfig()
}
</script>
<?php $index = 0; ?>
<?php foreach ($networks as $ssid => $network) { ?>
<div class="col-md-6">
<div class="panel panel-default">
<div class="panel-body">
<input type="hidden" name="ssid<?php echo $index ?>" value="<?php echo htmlentities($ssid, ENT_QUOTES) ?>" />
<h4><?php echo htmlspecialchars($ssid, ENT_QUOTES); ?></h4>
<div class="row">
<div class="col-xs-4 col-md-4">Status</div>
<div class="col-xs-4 col-md-4">
<?php if ($network['configured']) { ?>
<i class="fa fa-check-circle fa-fw"></i>
<?php } ?>
<?php if ($network['connected']) { ?>
<i class="fa fa-exchange fa-fw"></i>
<?php } ?>
</div>
</div>
<div class="row">
<div class="col-xs-4 col-md-4">Channel</div>
<div class="col-xs-4 col-md-4">
<?php if ($network['visible']) { ?>
<?php echo htmlspecialchars($network['channel'], ENT_QUOTES) ?>
<?php } else { ?>
<span class="label label-warning"> X </span>
<?php } ?>
</div>
</div>
<div class="row">
<div class="col-xs-4 col-md-4">RSSI</div>
<div class="col-xs-6 col-md-6">
<?php echo htmlspecialchars($network['RSSI'], ENT_QUOTES);
echo "dB (";
if ($network['RSSI'] >= -50) {
echo 100;
} elseif ($network['RSSI'] <= -100) {
echo 0;
} else {
echo 2*($network['RSSI'] + 100);
}
echo "%)";
?>
</div>
</div>
<?php if (array_key_exists('priority', $network)) { ?>
<input type="hidden" name="priority<?php echo $index ?>" value="<?php echo htmlspecialchars($network['priority'], ENT_QUOTES); ?>" />
<?php } ?>
<input type="hidden" name="protocol<?php echo $index ?>" value="<?php echo htmlspecialchars($network['protocol'], ENT_QUOTES); ?>" />
<div class="row">
<div class="col-xs-4 col-md-4">Security</div>
<div class="col-xs-6 col-md-6"><?php echo $network['protocol'] ?></div>
</div>
<div class="form-group">
<div class="input-group col-xs-12 col-md-12">
<span class="input-group-addon" id="passphrase">Passphrase</span>
<?php if ($network['protocol'] === 'Open') { ?>
<input type="password" disabled class="form-control" aria-describedby="passphrase" name="passphrase<?php echo $index ?>" value="" />
<?php } else { ?>
<input type="password" class="form-control" aria-describedby="passphrase" name="passphrase<?php echo $index ?>" value="<?php echo $network['passphrase'] ?>" onKeyUp="CheckPSK(this, 'update<?php echo $index?>')" >
<span class="input-group-btn">
<button class="btn btn-default" onclick="showPassword(<?php echo $index; ?>)" type="button">Show</button>
</span>
<?php } ?>
</div>
</div>
<div class="btn-group btn-block ">
<?php if ($network['configured']) { ?>
<input type="submit" class="col-xs-4 col-md-4 btn btn-warning" value="<?php echo _("Update"); ?>" id="update<?php echo $index ?>" name="update<?php echo $index ?>"<?php echo ($network['protocol'] === 'Open' ? ' disabled' : '')?> />
<button type="submit" class="col-xs-4 col-md-4 btn btn-info" value="<?php echo $index?>" ><?php echo _("Connect"); ?></button>
<?php } else { ?>
<input type="submit" class="col-xs-4 col-md-4 btn btn-info" value="<?php echo _("Add"); ?>" id="update<?php echo $index ?>" name="update<?php echo $index ?>" <?php echo ($network['protocol'] === 'Open' ? '' : ' disabled')?> />
<?php } ?>
<input type="submit" class="col-xs-4 col-md-4 btn btn-danger" value="<?php echo _("Delete"); ?>" name="delete<?php echo $index ?>"<?php echo ($network['configured'] ? '' : ' disabled')?> />
</div><!-- /.btn-group -->
</div><!-- /.panel-body -->
</div><!-- /.panel-default -->
</div><!-- /.col-md-6 -->
<?php $index += 1; ?>
<?php } ?>
<div class="js-wifi-stations loading-spinner"></div>
</form>
</div><!-- ./ Panel body -->

64
includes/functions.php

@ -571,3 +571,67 @@ function SaveTORAndVPNConfig()
}
}
/**
* Renders a simple PHP template
*/
function renderTemplate($name, $data)
{
$file = "../../templates/$name.php";
if (!file_exists($file)) {
return "template $name ($file) not found";
}
if (is_array($data)){
extract($data);
}
ob_start();
include $file;
return ob_get_clean();
}
function expandCacheKey($key)
{
return RASPI_CACHE_PATH . "/" . $key;
}
function hasCache($key)
{
$cacheKey = expandCacheKey($key);
return file_exists($cacheKey);
}
function readCache($key)
{
$cacheKey = expandCacheKey($key);
if (!file_exists($cacheKey)) {
return null;
}
return file_get_contents($cacheKey);
}
function writeCache($key, $data)
{
mkdir(RASPI_CACHE_PATH, 0777, true);
$cacheKey = expandCacheKey($key);
file_put_contents($cacheKey, $data);
}
function deleteCache($key)
{
if (hasCache($key)) {
$cacheKey = expandCacheKey($key);
unlink($cacheKey);
}
}
function cache($key, $callback)
{
if (hasCache($key)) {
return readCache($key);
} else {
$data = $callback();
writeCache($key, $data);
return $data;
}
}

16
js/custom.js

@ -180,6 +180,20 @@ function contentLoaded() {
}
}
function loadWifiStations(refresh) {
return function() {
var complete = function() { $(this).removeClass('loading-spinner'); }
var qs = refresh === true ? '?refresh' : '';
$('.js-wifi-stations')
.addClass('loading-spinner')
.empty()
.load('/ajax/networking/wifi_stations.php'+qs, complete);
};
}
$(".js-reload-wifi-stations").on("click", loadWifiStations(true));
$(document)
.ajaxSend(setCSRFTokenHeader)
.ready(contentLoaded);
.ready(contentLoaded)
.ready(loadWifiStations());

93
templates/wifi_stations.php

@ -0,0 +1,93 @@
<?php if (empty($networks)): ?>
<p class="lead text-center"><?php echo _('No Wifi stations found') ?></p>
<p class="text-center"><?php echo _('Click "Rescan" to search for nearby Wifi stations.') ?></p>
<?php endif ?>
<?php $index = 0; ?>
<?php foreach ($networks as $ssid => $network): ?>
<div class="col-md-6">
<div class="panel panel-default">
<div class="panel-body">
<input type="hidden" name="ssid<?php echo $index ?>" value="<?php echo htmlentities($ssid, ENT_QUOTES) ?>" />
<h4><?php echo htmlspecialchars($ssid, ENT_QUOTES); ?></h4>
<div class="row">
<div class="col-xs-4 col-md-4">Status</div>
<div class="col-xs-4 col-md-4">
<?php if ($network['configured']) { ?>
<i class="fa fa-check-circle fa-fw"></i>
<?php } ?>
<?php if ($network['connected']) { ?>
<i class="fa fa-exchange fa-fw"></i>
<?php } ?>
</div>
</div>
<div class="row">
<div class="col-xs-4 col-md-4">Channel</div>
<div class="col-xs-4 col-md-4">
<?php if ($network['visible']) { ?>
<?php echo htmlspecialchars($network['channel'], ENT_QUOTES) ?>
<?php } else { ?>
<span class="label label-warning"> X </span>
<?php } ?>
</div>
</div>
<div class="row">
<div class="col-xs-4 col-md-4">RSSI</div>
<div class="col-xs-6 col-md-6">
<?php echo htmlspecialchars($network['RSSI'], ENT_QUOTES);
echo "dB (";
if ($network['RSSI'] >= -50) {
echo 100;
} elseif ($network['RSSI'] <= -100) {
echo 0;
} else {
echo 2*($network['RSSI'] + 100);
}
echo "%)";
?>
</div>
</div>
<?php if (array_key_exists('priority', $network)) { ?>
<input type="hidden" name="priority<?php echo $index ?>" value="<?php echo htmlspecialchars($network['priority'], ENT_QUOTES); ?>" />
<?php } ?>
<input type="hidden" name="protocol<?php echo $index ?>" value="<?php echo htmlspecialchars($network['protocol'], ENT_QUOTES); ?>" />
<div class="row">
<div class="col-xs-4 col-md-4">Security</div>
<div class="col-xs-6 col-md-6"><?php echo $network['protocol'] ?></div>
</div>
<div class="form-group">
<div class="input-group col-xs-12 col-md-12">
<span class="input-group-addon" id="passphrase">Passphrase</span>
<?php if ($network['protocol'] === 'Open') { ?>
<input type="password" disabled class="form-control" aria-describedby="passphrase" name="passphrase<?php echo $index ?>" value="" />
<?php } else { ?>
<input type="password" class="form-control" aria-describedby="passphrase" name="passphrase<?php echo $index ?>" value="<?php echo $network['passphrase'] ?>" onKeyUp="CheckPSK(this, 'update<?php echo $index?>')" >
<span class="input-group-btn">
<button class="btn btn-default" onclick="showPassword(<?php echo $index; ?>)" type="button">Show</button>
</span>
<?php } ?>
</div>
</div>
<div class="btn-group btn-block ">
<?php if ($network['configured']) { ?>
<input type="submit" class="col-xs-4 col-md-4 btn btn-warning" value="<?php echo _("Update"); ?>" id="update<?php echo $index ?>" name="update<?php echo $index ?>"<?php echo ($network['protocol'] === 'Open' ? ' disabled' : '')?> />
<button type="submit" class="col-xs-4 col-md-4 btn btn-info" value="<?php echo $index?>" ><?php echo _("Connect"); ?></button>
<?php } else { ?>
<input type="submit" class="col-xs-4 col-md-4 btn btn-info" value="<?php echo _("Add"); ?>" id="update<?php echo $index ?>" name="update<?php echo $index ?>" <?php echo ($network['protocol'] === 'Open' ? '' : ' disabled')?> />
<?php } ?>
<input type="submit" class="col-xs-4 col-md-4 btn btn-danger" value="<?php echo _("Delete"); ?>" name="delete<?php echo $index ?>"<?php echo ($network['configured'] ? '' : ' disabled')?> />
</div><!-- /.btn-group -->
</div><!-- /.panel-body -->
</div><!-- /.panel-default -->
</div><!-- /.col-md-6 -->
<?php $index += 1; ?>
<?php endforeach ?>
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