feat(podkop): add show config feature

- Add new button to show config with masked sensitive data
- Update init script with new command `show_config`
- Implement `show_config` function to mask sensitive data
- Update version in config file to 0.3.3
- Update proxy check logic for better error handling

luci-app-podkop/htdocs/luci-static/resources/view/podkop/podkop.js

@@ -7,10 +7,28 @@
 
 return view.extend({
     async render() {
+        document.getElementsByTagName('head')[0].insertAdjacentHTML('beforeend', `
+            <meta http-equiv="Cache-Control" content="no-cache, no-store, must-revalidate">
+            <meta http-equiv="Pragma" content="no-cache">
+            <meta http-equiv="Expires" content="0">
+        `);
+
         var m, s, o;
 
         m = new form.Map('podkop', _('Podkop configuration'), null, ['main', 'second']);
 
+        m = new form.Map('podkop', _('Podkop'), null, ['main', 'second']);
+        L.uci.load('podkop').then(() => {
+            const version = L.uci.get('podkop', 'main', 'version') || '';
+            if (version) {
+                m.title = _('Podkop') + ' v' + version;
+                if (!window.location.search.includes('v=')) {
+                    const newUrl = window.location.pathname + '?v=' + version;
+                    window.history.replaceState(null, '', newUrl);
+                }
+            }
+        });
+
         s = m.section(form.TypedSection, 'main');
         s.anonymous = true;
 
@@ -552,6 +570,50 @@ return view.extend({
                 });
         };
 
+        o = s.taboption('diagnostics', form.Button, '_show_config');
+        o.title = _('Show Config');
+        o.description = _('Show current podkop configuration with masked sensitive data');
+        o.inputtitle = _('Show Config');
+        o.inputstyle = 'apply';
+        o.onclick = function () {
+            return fs.exec('/etc/init.d/podkop', ['show_config'])
+                .then(function (res) {
+                    const formattedOutput = formatDiagnosticOutput(res.stdout || _('No output'));
+
+                    const modalElement = ui.showModal(_('Podkop Configuration'), [
+                        E('div', { class: 'cbi-section' }, [
+                            E('pre', { class: 'cbi-value-field' }, formattedOutput)
+                        ]),
+                        E('div', { style: 'display: flex; justify-content: space-between; margin-top: 1em;' }, [
+                            E('button', {
+                                'class': 'btn cbi-button-save',
+                                'click': function () {
+                                    const textarea = document.createElement('textarea');
+                                    textarea.value = '```\n' + formattedOutput + '\n```';
+                                    document.body.appendChild(textarea);
+                                    textarea.select();
+                                    try {
+                                        document.execCommand('copy');
+                                        ui.hideModal();
+                                    } catch (err) {
+                                        ui.addNotification(null, E('p', {}, _('Failed to copy: ') + err.message));
+                                    }
+                                    document.body.removeChild(textarea);
+                                }
+                            }, _('Copy to Clipboard')),
+                            E('button', {
+                                'class': 'btn cbi-button-neutral',
+                                'click': ui.hideModal
+                            }, _('Close'))
+                        ])
+                    ], 'large');
+
+                    if (modalElement && modalElement.parentElement) {
+                        modalElement.parentElement.classList.add('modal-overlay-large');
+                    }
+                });
+        };
+
         o = s.taboption('diagnostics', form.Button, '_list_update');
         o.title = _('Update lists');
         o.description = _('Update all lists in config');

podkop/files/etc/config/podkop

@@ -1,4 +1,5 @@
 config main 'main'
+	option version '0.3.3'
 	option mode 'proxy'
 	#option interface ''
 	option proxy_config_type ''

podkop/files/etc/init.d/podkop

@@ -7,7 +7,7 @@ script=$(readlink "$initscript")
 NAME="$(basename ${script:-$initscript})"
 config_load "$NAME"
 
-EXTRA_COMMANDS="list_update check_proxy check_nft check_github check_logs check_all check_three main"
+EXTRA_COMMANDS="list_update check_proxy check_nft check_github check_logs check_all check_three main show_config"
 EXTRA_HELP="        list_update     Updating domain and subnet lists
         sing_box_config_vless For test vless string
         check_proxy          Check if sing-box proxy works correctly
@@ -16,7 +16,8 @@ EXTRA_HELP="        list_update     Updating domain and subnet lists
         check_logs         Show podkop logs from system journal
         check_all          Run all checks
         check_three         Run check_proxy, check_nft and check_github
-        main                Main function"
+        main                Main function
+        show_config         Show current configuration with masked sensitive data"
 
 [ ! -L /usr/sbin/podkop ] && ln -s /etc/init.d/podkop /usr/sbin/podkop
 
@@ -767,7 +768,7 @@ sing_box_config_vless() {
     get_param() {
         local param="$1"
         local value=$(echo "$STRING" | sed -n "s/.*[?&]$param=\([^&?#]*\).*/\1/p")
-        value=$(echo "$value" | sed 's/%2F/\//g; s/%2C/,/g; s/%3D/=/g; s/%2B/+/g; s/%20/ /g' | tr -d '\n' | tr -d '\r')
+        value=$(uhttpd -d "$value" | tr -d '\n' | tr -d '\r')
         echo "$value"
     }
 
@@ -1309,18 +1310,31 @@ check_proxy() {
 
     nolog "Checking proxy connection..."
 
+
    for attempt in `seq 1 5`; do
        response=$(sing-box tools fetch ifconfig.me -D /etc/sing-box 2>/dev/null)
-        if ! echo "$response" | grep -q "403 Forbidden"; then
+       if echo "$response" | grep -q "^<html\|403 Forbidden"; then
-            nolog "Proxy check completed successfully"
+           continue
-            #echo "$response" | sed 's/\([0-9]\+\)\.\([0-9]\+\)\.\([0-9]\+\)\.\([0-9]\+\)/XXX.\2.\3.\4/'
+       fi
-            echo "$response" | sed -n 's/^[0-9]\+\.[0-9]\+\.[0-9]\+\.\([0-9]\+\)$/X.X.X.\1/p'
+       if [[ $response =~ ^[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+$ ]]; then
+           ip=$(echo "$response" | sed -n 's/^[0-9]\+\.[0-9]\+\.[0-9]\+\.\([0-9]\+\)$/X.X.X.\1/p')
+           nolog "$ip - should match proxy IP"
+           return 0
+       elif echo "$response" | grep -q "^[0-9a-fA-F:]*::[0-9a-fA-F:]*$\|^[0-9a-fA-F:]\+$"; then
+           ip=$(echo "$response" | sed 's/\([0-9a-fA-F]\+:[0-9a-fA-F]\+:[0-9a-fA-F]\+\):.*/\1:XXXX:XXXX:XXXX/')
+           nolog "$ip - should match proxy IP"
            return 0
        fi
-    done
+       if [ $attempt -eq 5 ]; then
-
+           nolog "Failed to get valid IP address after 5 attempts"
-    nolog "Failed to get a non-403 response after 5 attempts"
+           if [ -z "$response" ]; then
+               nolog "Error: Empty response"
+           else
+               nolog "Error response: $response"
+           fi
            return 1
+       fi
+   done
 }
 
 check_nft() {
@@ -1406,3 +1420,30 @@ check_all() {
 
     check_three
 }
+
+show_config() {
+    nolog "Current podkop configuration:"
+    
+    if [ ! -f /etc/config/podkop ]; then
+        nolog "Configuration file not found"
+        return 1
+    fi
+
+    # Создаем временный файл для обработанного конфига
+    tmp_config=$(mktemp)
+    
+    # Копируем и маскируем конфиденциальные данные
+    cat /etc/config/podkop | sed \
+        -e 's/\(option proxy_string\).*/\1 '\''MASKED'\''/g' \
+        -e 's/\(option outbound_json\).*/\1 '\''MASKED'\''/g' \
+        -e 's/\(option second_proxy_string\).*/\1 '\''MASKED'\''/g' \
+        -e 's/\(option second_outbound_json\).*/\1 '\''MASKED'\''/g' \
+        -e 's/\(vless:\/\/[^@]*@\)/vless:\/\/MASKED@/g' \
+        -e 's/\(ss:\/\/[^@]*@\)/ss:\/\/MASKED@/g' \
+        -e 's/\(pbk=[^&]*\)/pbk=MASKED/g' \
+        -e 's/\(sid=[^&]*\)/sid=MASKED/g' \
+        > "$tmp_config"
+
+    cat "$tmp_config"
+    rm -f "$tmp_config"
+}