fix(subscription): auto fallback on unsupported app provider stubs

fe-app-tachyon/locales/tachyon.pot

@@ -7,8 +7,8 @@ msgid ""
 msgstr ""
 "Project-Id-Version: TACHYON\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2026-09-17 10:43+0300\n"
+"POT-Creation-Date: 2026-09-17 11:39+0300\n"
-"PO-Revision-Date: 2026-09-17 10:43+0300\n"
+"PO-Revision-Date: 2026-09-17 11:39+0300\n"
 "Last-Translator: Dushnilin <dushnilin@gmail.com>\n"
 "Language-Team: LANGUAGE <LL@li.org>\n"
 "Language: \n"

fe-app-tachyon/locales/tachyon.ru.po

@@ -7,8 +7,8 @@ msgid ""
 msgstr ""
 "Project-Id-Version: TACHYON\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2026-09-17 13:43+0300\n"
+"POT-Creation-Date: 2026-09-17 14:39+0300\n"
-"PO-Revision-Date: 2026-09-17 13:43+0300\n"
+"PO-Revision-Date: 2026-09-17 14:39+0300\n"
 "Last-Translator: Dushnilin\n"
 "Language-Team: none\n"
 "Language: ru\n"

luci-app-tachyon/po/ru/tachyon.po

@@ -7,8 +7,8 @@ msgid ""
 msgstr ""
 "Project-Id-Version: TACHYON\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2026-09-17 13:43+0300\n"
+"POT-Creation-Date: 2026-09-17 14:39+0300\n"
-"PO-Revision-Date: 2026-09-17 13:43+0300\n"
+"PO-Revision-Date: 2026-09-17 14:39+0300\n"
 "Last-Translator: Dushnilin\n"
 "Language-Team: none\n"
 "Language: ru\n"

luci-app-tachyon/po/templates/tachyon.pot

@@ -7,8 +7,8 @@ msgid ""
 msgstr ""
 "Project-Id-Version: TACHYON\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2026-09-17 10:43+0300\n"
+"POT-Creation-Date: 2026-09-17 11:39+0300\n"
-"PO-Revision-Date: 2026-09-17 10:43+0300\n"
+"PO-Revision-Date: 2026-09-17 11:39+0300\n"
 "Last-Translator: Dushnilin <dushnilin@gmail.com>\n"
 "Language-Team: LANGUAGE <LL@li.org>\n"
 "Language: \n"

tachyon/files/usr/lib/subscription/parser.uc

@@ -346,19 +346,78 @@ function reality_public_key_valid(value) {
     return match(as_string(value), /^[A-Za-z0-9_-]{43}$/) != null;
 }
 
+function outbound_is_unsupported_stub(outbound) {
+    if (type(outbound) != "object")
+        return false;
+
+    let tag = lc(as_string(outbound.tag || outbound.name || outbound.remark || ""));
+    let server = lc(trim(as_string(outbound.server || "")));
+
+    if (index(tag, "не поддерживается") >= 0 ||
+        index(tag, "неподдерживаем") >= 0 ||
+        index(tag, "клиент не поддерживается") >= 0 ||
+        index(tag, "приложение не поддерживается") >= 0 ||
+        index(tag, "unsupported") >= 0 ||
+        index(tag, "not supported") >= 0 ||
+        index(tag, "update app") >= 0 ||
+        index(tag, "update client") >= 0 ||
+        index(tag, "обновите приложение") >= 0 ||
+        index(tag, "обновите клиент") >= 0 ||
+        index(tag, "скачайте happ") >= 0 ||
+        index(tag, "скачать happ") >= 0 ||
+        index(tag, "используйте happ") >= 0 ||
+        index(tag, "use happ") >= 0 ||
+        index(tag, "download happ") >= 0 ||
+        index(tag, "скачайте v2box") >= 0 ||
+        index(tag, "используйте v2box") >= 0 ||
+        index(tag, "скачайте v2rayn") >= 0 ||
+        index(tag, "используйте v2rayn") >= 0)
+        return true;
+
+    let is_dummy_server = (
+        server == "" ||
+        server == "127.0.0.1" ||
+        server == "0.0.0.0" ||
+        server == "localhost" ||
+        server == "::1" ||
+        server == "0.0.0.1"
+    );
+
+    if (is_dummy_server && (
+        index(tag, "⚠️") >= 0 ||
+        index(tag, "❗") >= 0 ||
+        index(tag, "❌") >= 0 ||
+        index(tag, "warning") >= 0 ||
+        index(tag, "error") >= 0 ||
+        index(tag, "notice") >= 0 ||
+        index(tag, "attention") >= 0 ||
+        index(tag, "внимание") >= 0 ||
+        index(tag, "ошибка") >= 0
+    ))
+        return true;
+
+    return false;
+}
+
 function validate_subscription(path) {
     let value = read_json_file(path);
     if (type(value) != "object" || type(value.outbounds) != "array" || length(value.outbounds) == 0)
         return false;
 
+    let usable_count = 0;
     for (let outbound in value.outbounds) {
+        if (outbound_is_unsupported_stub(outbound))
+            continue;
+
         let tls = type(outbound) == "object" && type(outbound.tls) == "object" ? outbound.tls : {};
         let reality = tls.reality;
         if (type(reality) == "object" && reality.enabled !== false && !reality_public_key_valid(reality.public_key))
             return false;
+
+        usable_count++;
     }
 
-    return true;
+    return usable_count > 0;
 }
 
 function write_json_file(path, value) {
@@ -1685,8 +1744,13 @@ function normalize_clash_yaml(input_file, output_file) {
 
     for (let record in clash_yaml_records(input_file)) {
         let outbound = parse_clash_record(record);
-        if (outbound)
+        if (outbound) {
+            if (outbound_is_unsupported_stub(outbound)) {
+                skipped++;
+                continue;
+            }
             push(outbounds, outbound);
+        }
         else
             skipped++;
     }
@@ -1724,6 +1788,10 @@ function normalize_uri_list_data(data, output_file) {
         if (line != "" && !starts_with(line, "#")) {
             let outbound = parse_share_link(line);
             if (outbound) {
+                if (outbound_is_unsupported_stub(outbound)) {
+                    skipped++;
+                    continue;
+                }
                 if (added > 0)
                     output.write(",");
                 output.write(sprintf("%J", outbound));
@@ -2136,6 +2204,10 @@ function normalize_uri_list_stream(input, output_file, strip_metadata) {
         if (line != "" && !starts_with(line, "#")) {
             let outbound = parse_share_link(line);
             if (outbound) {
+                if (outbound_is_unsupported_stub(outbound)) {
+                    skipped++;
+                    continue;
+                }
                 if (added > 0)
                     output.write(",");
                 output.write(sprintf("%J", outbound));
@@ -2906,7 +2978,7 @@ function normalize_sing_box_json_outbounds(candidates) {
     let detour_refs = {};
 
     for (let outbound in candidates) {
-        if (type(outbound) != "object")
+        if (type(outbound) != "object" || outbound_is_unsupported_stub(outbound))
             continue;
         outbound = normalize_sing_box_hysteria2_outbound(outbound);
         outbound = normalize_sing_box_tuic_outbound(outbound);
@@ -3177,7 +3249,8 @@ function module_exports() {
         normalized_skipped_message,
         try_decode_gzip_content_file,
         extract_ui_metadata_file,
-        runtime_outbounds_equal
+        runtime_outbounds_equal,
+        outbound_is_unsupported_stub
     };
 }
 

tests/subscription_unsupported_stub.sh

@@ -0,0 +1,122 @@
+#!/usr/bin/env bash
+set -eo pipefail
+
+TEST_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+ROOT_DIR="$(cd "$TEST_DIR/.." && pwd)"
+TACHYON_LIB="$ROOT_DIR/tachyon/files/usr/lib"
+PARSER_UC="$TACHYON_LIB/subscription/parser.uc"
+CACHE_UC="$TACHYON_LIB/subscription/cache.uc"
+
+WORK_DIR="$(mktemp -d)"
+trap 'rm -rf "$WORK_DIR"' EXIT
+
+fail() {
+  echo "FAIL: $*" >&2
+  exit 1
+}
+
+# 1. Test that a subscription with only "Данное приложение не поддерживается" is rejected
+cat >"$WORK_DIR/stub_uri.txt" <<'EOF'
+vless://00000000-0000-0000-0000-000000000000@127.0.0.1:443?security=none#%D0%94%D0%B0%D0%BD%D0%BD%D0%BE%D0%B5%20%D0%BF%D1%80%D0%B8%D0%BB%D0%BE%D0%B6%D0%B5%D0%BD%D0%B8%D0%B5%20%D0%BD%D0%B5%20%D0%BF%D0%BE%D0%B4%D0%B4%D0%B5%D1%80%D0%B6%D0%B8%D0%B2%D0%B0%D0%B5%D1%82%D1%81%D1%8F
+EOF
+
+if ucode -L "$TACHYON_LIB" "$PARSER_UC" normalize-content-validated "$WORK_DIR/stub_uri.txt" "$WORK_DIR/out_stub.json" >/dev/null 2>&1; then
+  fail "normalize-content-validated should reject subscription with only 'Данное приложение не поддерживается'"
+fi
+
+# 2. Test English variant: "This app is not supported. Use Happ"
+cat >"$WORK_DIR/stub_en.txt" <<'EOF'
+vless://00000000-0000-0000-0000-000000000000@127.0.0.1:443?security=none#Unsupported%20client%20-%20Use%20Happ
+EOF
+
+if ucode -L "$TACHYON_LIB" "$PARSER_UC" normalize-content-validated "$WORK_DIR/stub_en.txt" "$WORK_DIR/out_stub_en.json" >/dev/null 2>&1; then
+  fail "normalize-content-validated should reject English unsupported client notice"
+fi
+
+# 3. Test sing-box JSON with only stub outbound
+cat >"$WORK_DIR/stub_singbox.json" <<'EOF'
+{
+  "outbounds": [
+    {
+      "type": "vless",
+      "tag": "⚠️ Данное приложение не поддерживается",
+      "server": "127.0.0.1",
+      "server_port": 443,
+      "uuid": "00000000-0000-0000-0000-000000000000"
+    }
+  ]
+}
+EOF
+
+if ucode -L "$TACHYON_LIB" "$PARSER_UC" normalize-content-validated "$WORK_DIR/stub_singbox.json" "$WORK_DIR/out_stub_sb.json" >/dev/null 2>&1; then
+  fail "normalize-content-validated should reject singbox JSON with stub outbound"
+fi
+
+# 4. Test Clash YAML with only stub outbound
+cat >"$WORK_DIR/stub_clash.yaml" <<'EOF'
+proxies:
+  - name: "Данное приложение не поддерживается"
+    type: vless
+    server: 127.0.0.1
+    port: 443
+    uuid: 00000000-0000-0000-0000-000000000000
+EOF
+
+if ucode -L "$TACHYON_LIB" "$PARSER_UC" normalize-content-validated "$WORK_DIR/stub_clash.yaml" "$WORK_DIR/out_stub_clash.json" >/dev/null 2>&1; then
+  fail "normalize-content-validated should reject Clash YAML with stub outbound"
+fi
+
+# 5. Test mixed subscription: 1 real node + 1 stub node
+cat >"$WORK_DIR/mixed_uri.txt" <<'EOF'
+vless://11111111-1111-1111-1111-111111111111@vpn.example.com:443?security=none#Valid-Server-DE
+vless://00000000-0000-0000-0000-000000000000@127.0.0.1:443?security=none#Данное%20приложение%20не%20поддерживается
+EOF
+
+ucode -L "$TACHYON_LIB" "$PARSER_UC" normalize-content-validated "$WORK_DIR/mixed_uri.txt" "$WORK_DIR/out_mixed.json" ||
+  fail "normalize-content-validated should accept mixed subscription with valid nodes"
+
+ucode -e '
+let fs = require("fs");
+let doc = json(fs.readfile("'"$WORK_DIR/out_mixed.json"'"));
+let list = doc.outbounds || [];
+if (length(list) != 1) {
+    print("Expected 1 valid outbound after filtering stub, got " + length(list) + "\n");
+    exit(1);
+}
+if (list[0].tag != "Valid-Server-DE" || list[0].server != "vpn.example.com") {
+    print("Unexpected outbound content: " + sprintf("%J", list[0]) + "\n");
+    exit(2);
+}
+' || fail "Failed to filter out stub node from mixed subscription"
+
+# 6. Test validate-subscription CLI mode directly
+if ucode -L "$TACHYON_LIB" "$PARSER_UC" validate-subscription "$WORK_DIR/stub_singbox.json" >/dev/null 2>&1; then
+  fail "validate-subscription CLI should return error for stub-only JSON"
+fi
+
+ucode -L "$TACHYON_LIB" "$PARSER_UC" validate-subscription "$WORK_DIR/out_mixed.json" >/dev/null ||
+  fail "validate-subscription CLI should return success for valid JSON"
+
+# 7. Test programmatic validate_subscription in parser module
+cat >"$WORK_DIR/test_validate.uc" <<'EOF'
+let parser = require("subscription.parser");
+let stub_file = ARGV[0];
+let valid_file = ARGV[1];
+
+if (parser.validate_subscription(stub_file)) {
+    print("validate_subscription must return false for stub JSON\n");
+    exit(1);
+}
+if (!parser.validate_subscription(valid_file)) {
+    print("validate_subscription must return true for valid JSON\n");
+    exit(2);
+}
+exit(0);
+EOF
+
+ucode -L "$TACHYON_LIB" "$WORK_DIR/test_validate.uc" "$WORK_DIR/stub_singbox.json" "$WORK_DIR/out_mixed.json" ||
+  fail "subscription validation cache checks failed"
+
+echo "subscription unsupported stub checks passed"
+
+