55 lines
1.5 KiB
PHP
55 lines
1.5 KiB
PHP
<?php
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require_once '../../includes/config.php';
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require_once '../../includes/defaults.php';
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require_once '../../includes/functions.php';
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// prevent direct file access
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if (!isset($_SERVER['HTTP_REFERER'])) {
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header('HTTP/1.0 403 Forbidden');
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exit;
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}
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$hostapd = parse_ini_file(RASPI_HOSTAPD_CONFIG, false, INI_SCANNER_RAW);
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// assume wpa encryption and get the passphrase
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$type = "WPA";
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$password = isset($hostapd['wpa_psk']) ? $hostapd['wpa_psk'] : $hostapd['wpa_passphrase'];
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// use wep if configured
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$wep_default_key = intval($hostapd['wep_default_key']);
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$wep_key = 'wep_key' . $wep_default_key;
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if (array_key_exists($wep_key, $hostapd)) {
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$type = "WEP";
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$password = $hostapd[$wep_key];
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}
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// if password is still empty, assume nopass
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if (empty($password)) {
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$type = "nopass";
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}
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$ssid = $hostapd['ssid'];
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$hidden = intval($hostapd['ignore_broadcast_ssid']) != 0 ? "H:true" : "";
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$ssid = qr_encode($ssid);
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$password = qr_encode($password);
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$data = "WIFI:S:$ssid;T:$type;P:$password;$hidden;";
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$command = "qrencode -t svg -m 1 -o - " . mb_escapeshellarg($data);
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$svg = shell_exec($command);
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$config_mtime = filemtime(RASPI_HOSTAPD_CONFIG);
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$last_modified = gmdate('D, d M Y H:i:s ', $config_mtime) . 'GMT';
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$etag = hash('sha256', $data);
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$content_length = strlen($svg);
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header("Content-Type: image/svg+xml");
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header("Content-Length: $content_length");
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header("Last-Modified: $last_modified");
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header("Content-Disposition: attachment; filename=\"qr.svg\"");
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header("ETag: \"$etag\"");
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header("X-QR-Code-Content: $data");
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echo $svg;
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