1 files changed, 133 insertions, 0 deletions
diff --git a/localwebsite/classes/MyOpenWrtUtils.php b/localwebsite/classes/MyOpenWrtUtils.php
new file mode 100644
index 0000000..6b70dbc
--- /dev/null
+++ b/localwebsite/classes/MyOpenWrtUtils.php
@@ -0,0 +1,133 @@
+<?php
+
+class MyOpenWrtUtils {
+
+    public static function getRoutingTable($table = null) {
+        $arguments = ['route-show'];
+        if ($table)
+            $arguments[] = $table;
+
+        return self::toList(self::run($arguments));
+    }
+
+    public static function getRoutingRules() {
+        return self::toList(self::run(['rule-show']));
+    }
+
+    public static function ipsetList($set_name) {
+        return self::toList(self::run(['ipset-list', $set_name]));
+    }
+
+    public static function ipsetListAll() {
+        global $config;
+
+        $args = ['ipset-list-all'];
+        $args = array_merge($args, array_keys($config['modems']));
+
+        $lines = self::toList(self::run($args));
+
+        $sets = [];
+        $cur_set = null;
+        foreach ($lines as $line) {
+            if (startsWith($line, '>')) {
+                $cur_set = substr($line, 1);
+                if (!isset($sets[$cur_set]))
+                    $sets[$cur_set] = [];
+                continue;
+            }
+
+            if (is_null($cur_set)) {
+                debugError(__METHOD__.': cur_set is not set');
+                continue;
+            }
+
+            $sets[$cur_set][] = $line;
+        }
+
+        return $sets;
+    }
+
+    public static function ipsetAdd($set_name, $ip) {
+        return self::run(['ipset-add', $set_name, $ip]);
+    }
+
+    public static function ipsetDel($set_name, $ip) {
+        return self::run(['ipset-del', $set_name, $ip]);
+    }
+
+    public static function getDHCPLeases() {
+        $list = self::toList(self::run(['dhcp-leases']));
+        $list = array_map('self::toDHCPLease', $list);
+        return $list;
+    }
+
+
+    //
+    // http functions
+    //
+
+    private static function run(array $arguments) {
+        $url = self::getLink($arguments);
+
+        $ch = curl_init();
+        curl_setopt($ch, CURLOPT_URL, $url);
+        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
+        $body = curl_exec($ch);
+        $code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
+        if ($code != 200)
+            throw new Exception(__METHOD__.': http code '.$code);
+
+        curl_close($ch);
+        return trim($body);
+    }
+
+    private static function getLink($arguments) {
+        global $config;
+
+        $url = 'http://'.$config['openwrt_ip'].'/cgi-bin/luci/command/cfg099944';
+        if (!empty($arguments)) {
+            $arguments = array_map(function($arg) {
+                $arg = str_replace('/', '_', $arg);
+                return urlencode($arg);
+            }, $arguments);
+            $arguments = implode('%20', $arguments);
+
+            $url .= '/';
+            $url .= $arguments;
+        }
+
+        // debugLog($url);
+
+        return $url;
+    }
+
+
+    //
+    // parsing functions
+    //
+
+    private static function toList(string $s): array {
+        if ($s == '')
+            return [];
+        return explode("\n", $s);
+    }
+
+    private static function toDHCPLease(string $s): array {
+        $words = explode(' ', $s);
+        $time = array_shift($words);
+        $mac = array_shift($words);
+        $ip = array_shift($words);
+        array_pop($words);
+        $hostname = trim(implode(' ', $words));
+        if (!$hostname)
+            $hostname = '?';
+        return [
+            'time' => $time,
+            'time_s' => date('d M, H:i:s', $time),
+            'mac' => $mac,
+            'ip' => $ip,
+            'hostname' => $hostname
+        ];
+    }
+
+}
+\ No newline at end of file