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Merge pull request #503 from glaszig/feature/wifi-qr-code

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show wifi qr code in "hotspot > security" section
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Bill Zimmerman 2020-02-28 08:30:11 +01:00 committed by GitHub
commit 68a6ea1aa0
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4 changed files with 85 additions and 15 deletions
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52
app/img/wifi-qr-code.php Normal file
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@ -0,0 +1,52 @@
<?php
require_once '../../includes/config.php';
require_once '../../includes/defaults.php';
require_once '../../includes/functions.php';
function qr_encode($str)
{
return preg_replace('/(?<!\\\)([\":;,])/', '\\\\\1', $str);
}
$hostapd = parse_ini_file(RASPI_HOSTAPD_CONFIG, false, INI_SCANNER_RAW);
// assume wpa encryption and get the passphrase
$type = "WPA";
$password = isset($hostapd['wpa_psk']) ? $hostapd['wpa_psk'] : $hostapd['wpa_passphrase'];
// use wep if configured
$wep_default_key = intval($hostapd['wep_default_key']);
$wep_key = 'wep_key' . $wep_default_key;
if (array_key_exists($wep_key, $hostapd)) {
$type = "WEP";
$password = $hostapd[$wep_key];
}
// if password is still empty, assume nopass
if (empty($password)) {
$type = "nopass";
}
$ssid = $hostapd['ssid'];
$hidden = intval($hostapd['ignore_broadcast_ssid']) != 0 ? "H:true" : "";
$ssid = qr_encode($ssid);
$password = qr_encode($password);
$data = "WIFI:S:$ssid;T:$type;P:$password;$hidden;";
$command = "qrencode -t svg -m 0 -o - " . mb_escapeshellarg($data);
$svg = shell_exec($command);
$config_mtime = filemtime(RASPI_HOSTAPD_CONFIG);
$last_modified = gmdate('D, d M Y H:i:s ', $config_mtime) . 'GMT';
$etag = hash('sha256', $data);
$content_length = strlen($svg);
header("Content-Type: image/svg+xml");
header("Content-Length: $content_length");
header("Last-Modified: $last_modified");
header("ETag: \"$etag\"");
header("X-QR-Code-Content: $data");
echo shell_exec($command);

14
includes/functions.php
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@ -332,3 +332,17 @@ function cache($key, $callback)
return $data;
}
}
// insspired by
// http://markushedlund.com/dev/php-escapeshellarg-with-unicodeutf-8-support
function mb_escapeshellarg($arg)
{
$isWindows = strtolower(substr(PHP_OS, 0, 3)) === 'win';
if ($isWindows) {
$escaped_arg = str_replace(array('"', '%'), '', $arg);
} else {
$escaped_arg = str_replace("'", "'\\''", $arg);
}
return "\"$escaped_arg\"";
}

2
installers/common.sh
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@ -63,7 +63,7 @@ function config_installation() {
# Runs a system software update to make sure we're using all fresh packages
function install_dependencies() {
install_log "Installing required packages"
sudo apt-get install $apt_option lighttpd $php_package git hostapd dnsmasq vnstat || install_error "Unable to install dependencies"
sudo apt-get install $apt_option lighttpd $php_package git hostapd dnsmasq vnstat qrencode || install_error "Unable to install dependencies"
}
# Enables PHP for lighttpd and restarts service for settings to take effect

32
templates/hostapd.php
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@ -82,21 +82,25 @@
<div class="tab-pane fade" id="security">
<h4 class="mt-3"><?php echo _("Security settings"); ?></h4>
<div class="row">
<div class="form-group col-md-6">
<label for="cbxwpa"><?php echo _("Security type"); ?></label>
<?php SelectorOptions('wpa', $arrSecurity, $arrConfig['wpa'], 'cbxwpa'); ?>
<div class="col-md-6">
<div class="form-group">
<label for="cbxwpa"><?php echo _("Security type"); ?></label>
<?php SelectorOptions('wpa', $arrSecurity, $arrConfig['wpa'], 'cbxwpa'); ?>
</div>
<div class="form-group">
<label for="cbxwpapairwise"><?php echo _("Encryption Type"); ?></label>
<?php SelectorOptions('wpa_pairwise', $arrEncType, $arrConfig['wpa_pairwise'], 'cbxwpapairwise'); ?>
</div>
<div class="form-group">
<label for="txtwpapassphrase"><?php echo _("PSK"); ?></label>
<input type="text" class="form-control" id="txtwpapassphrase" name="wpa_passphrase" value="<?php echo htmlspecialchars($arrConfig['wpa_passphrase'], ENT_QUOTES); ?>" />
</div>
</div>
</div>
<div class="row">
<div class="form-group col-md-6">
<label for="cbxwpapairwise"><?php echo _("Encryption Type"); ?></label>
<?php SelectorOptions('wpa_pairwise', $arrEncType, $arrConfig['wpa_pairwise'], 'cbxwpapairwise'); ?>
</div>
</div>
<div class="row">
<div class="form-group col-md-6">
<label for="txtwpapassphrase"><?php echo _("PSK"); ?></label>
<input type="text" class="form-control" id="txtwpapassphrase" name="wpa_passphrase" value="<?php echo htmlspecialchars($arrConfig['wpa_passphrase'], ENT_QUOTES); ?>" />
<div class="col-md-6">
<figure class="figure">
<img src="/app/img/wifi-qr-code.php" class="figure-img img-fluid" alt="RaspAP Wifi QR code" style="width:100%;">
<figcaption class="figure-caption"><?php echo _("Scan this QR code with your phone to connect to this RaspAP."); ?></figcaption>
</figure>
</div>
</div>
</div>