fix(lz): use Android mobile UA for all Lanzou HTTP requests

Desktop Chrome triggers Lanzou off0 offline stubs (~665B, empty title,
no filemoreajax). Share HTML, iframe, ajax/filemore, and download-domain
requests now share applyMobileIdentity instead of Windows PAGE_HEADERS.

Co-authored-by: qaiu <[email protected]>

README.md

@@ -18,8 +18,6 @@ QQ交流群：1017480890
 ![alt text](web-front/img/image.png)
 
 
-> 本平台所有音乐解析工具不再维护，请移步[Sonder播放器](https://sodecode.qaiu.top)  
-> 需要百度，迅雷，UC，夸克的完整支持请使用[专业版](https://189.qaiu.top)  
 
 ## 介绍
 > netdisk-fast-download网盘直链解析可以把云盘分享链接转为直链，可广泛应用于各类下载站，资源站，个人博客，图床，APP下载更新，视频点播等领域。支持市面各大主流云盘的文件分享以及文件夹分享链接，已支持蓝奏云/蓝奏云优享/移动云云空间/小飞机盘/亿方云/123云盘/永硕E盘/Cloudreve等，支持加密分享，以及部分网盘文件夹分享。  
@@ -461,7 +459,7 @@ docker run --rm -v /var/run/docker.sock:/var/run/docker.sock containrrr/watchtow
 > 注意: netdisk-fast-download.service中的ExecStart的路径改为实际路径
 ```shell
 cd ~
-wget -O netdisk-fast-download.zip https://github.com/qaiu/netdisk-fast-download/releases/download/v0.4.7/netdisk-fast-download-linux-amd64.zip
+wget -O netdisk-fast-download.zip https://github.com/qaiu/netdisk-fast-download/releases/download/v0.4.6/netdisk-fast-download-linux-amd64.zip
 unzip netdisk-fast-download.zip
 cd netdisk-fast-download
 bash service-install.sh

parser/pom.xml

@@ -64,7 +64,7 @@
         <slf4j.version>2.0.16</slf4j.version>
         <commons-lang3.version>3.18.0</commons-lang3.version>
         <jackson.version>2.18.9</jackson.version>
-        <logback.version>1.6.4</logback.version>
+        <logback.version>1.5.32</logback.version>
         <junit.version>4.13.2</junit.version>
     </properties>
 

parser/src/main/java/cn/qaiu/parser/impl/LzTool.java

@@ -7,7 +7,6 @@ import cn.qaiu.parser.PanBase;
 import cn.qaiu.util.*;
 import io.netty.handler.codec.http.cookie.DefaultCookie;
 import io.vertx.core.Future;
-import io.vertx.core.Handler;
 import io.vertx.core.MultiMap;
 import io.vertx.core.Promise;
 import io.vertx.core.buffer.Buffer;
@@ -42,37 +41,9 @@ public class LzTool extends PanBase {
 
     private final WebClientSession webClientSession;
 
-    /**
-     * 没有原始分享页主机时才使用（目录内文件 ID、shareKey 占位）。
-     * 与 PanDomainTemplate.LZ 标准模板一致：{@code https://w1.lanzn.com/{shareKey}}。
-     * 已有分享页不要改写到 wwww.lanzoux.com，部分出口连四个 w 的域名会超时。
-     */
-    public static final String SHARE_URL_PREFIX = "https://w1.lanzn.com/";
-    /** 页面 URL 解析失败时的源站兜底，与 {@link #SHARE_URL_PREFIX} 同主机。 */
-    private static final String SHARE_ORIGIN = "https://w1.lanzn.com";
-    /**
-     * 目录 filemoreajax.php 换域顺序。个性域名上会立刻返回「已超时」。
-     * wwww 只放最后，避免单一主机超时直接失败。
-     * 文件 ajax 走 {@link #FILE_AJAX_FALLBACK_ORIGINS}，不要把 apifile 混进目录列表。
-     */
-    static final List<String> AJAX_FALLBACK_ORIGINS = List.of(
-            "https://w1.lanzn.com",
-            "https://www.lanzoux.com",
-            "https://wwww.lanzoux.com"
-    );
-    /**
-     * 文件页 iframe / 密码页里的 ajaxfile.php 经常是绝对地址
-     * {@code https://apifile.lanzouw.com/ajaxfile.php?file=…}。
-     * 相对路径打到页面源站或 w1/www 会空响应。apifile 放在文件 ajax 兜底的最前，
-     * 页面源站空响应后立刻换过去，不在四 w 上耗光超时。
-     */
-    static final String APIFILE_ORIGIN = "https://apifile.lanzouw.com";
-    static final List<String> FILE_AJAX_FALLBACK_ORIGINS = List.of(
-            APIFILE_ORIGIN,
-            "https://w1.lanzn.com",
-            "https://www.lanzoux.com",
-            "https://wwww.lanzoux.com"
-    );
+    /** 实测服务器出口 IP 上 wwww.lanzoux.com 可用，且个性域名目录内文件 ID 也能打开。 */
+    public static final String SHARE_URL_PREFIX = "https://wwww.lanzoux.com/";
+    private static final String SHARE_ORIGIN = "https://wwww.lanzoux.com";
     /** 分享页 / ajax 请求超时 */
     private static final long REQUEST_TIMEOUT = 8000;
     /** 下载域跳转与二次验证超时，链路更长 */
@@ -83,10 +54,6 @@ public class LzTool extends PanBase {
     private static final Pattern P_AJAXDATA = Pattern.compile("ajaxdata\\s*=\\s*'([^']+)'");
     private static final Pattern P_WEBSIGN = Pattern.compile("'websign'\\s*:\\s*'([^']*)'");
     private static final Pattern P_WEBPAGE = Pattern.compile("[?&]webpage=([^&\"'\\s#]+)");
-    /** 页面脚本里的绝对 ajax，例如 https://apifile.lanzouw.com/ajaxfile.php?file=123 */
-    private static final Pattern P_AJAX_ABSOLUTE = Pattern.compile(
-            "['\"]((?:https?:)?//[^'\"\\s<>]+/ajax(?:m|file)\\.php\\?file=\\d+)['\"]",
-            Pattern.CASE_INSENSITIVE);
     private static final Pattern P_AJAX_PATH = Pattern.compile("(?:['\"/]|^)(ajax(?:m|file)\\.php\\?file=\\d+)");
     private static final Pattern P_SIGN = Pattern.compile("'sign'\\s*:\\s*'([^']+)'");
     private static final Pattern P_ISNGIS = Pattern.compile("var\\s+isngis\\s*=\\s*'([^']+)'");
@@ -115,24 +82,31 @@ public class LzTool extends PanBase {
             Pattern.compile("(?s)文件描述：</span><br>(.*?)</td>|class=\"n_box_des\">(.*?)</div>");
     private static final Pattern P_FI_ID = Pattern.compile("\\?f=(.*?)&|fid = (.*?);");
     private static final Pattern P_FI_TIME = Pattern.compile(">上传时间：</span>(.*?)<");
-    /** 分享页导航头，只读共享；需要改写时先 addAll 到新 MultiMap。 */
-    private static final MultiMap PAGE_HEADERS = HeaderUtils.parseHeaders("""
+    /**
+     * 蓝奏全部对外 HTTP 共用的移动端身份。
+     * 桌面 Chrome UA 拉分享页常返回 off0 下线空壳（~665B，空 title，无 filemoreajax）。
+     */
+    private static final String MOBILE_UA = "Mozilla/5.0 (Linux; Android 6.0; Nexus 5 Build/MRA58N) AppleWebKit/537.36 "
+            + "(KHTML, like Gecko) Chrome/111.0.0.0 Mobile Safari/537.36";
+
+    /** 分享页 / iframe / 下载域导航头，只读共享；需要改写时先 addAll 到新 MultiMap。 */
+    private static final MultiMap PAGE_HEADERS = applyMobileIdentity(HeaderUtils.parseHeaders("""
         Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7
         Accept-Encoding: identity
         Accept-Language: zh-CN,zh;q=0.9,en;q=0.8,en-GB;q=0.7,en-US;q=0.6
         Cache-Control: max-age=0
         DNT: 1
         Priority: u=0, i
-        Sec-CH-UA: "Chromium";v="134", "Not:A-Brand";v="24", "Google Chrome";v="134"
-        Sec-CH-UA-Mobile: ?0
-        Sec-CH-UA-Platform: "Windows"
+        Sec-CH-UA: "Chromium";v="111", "Not:A-Brand";v="24", "Google Chrome";v="111"
+        Sec-CH-UA-Mobile: ?1
+        Sec-CH-UA-Platform: "Android"
         Sec-Fetch-Dest: document
         Sec-Fetch-Mode: navigate
         Sec-Fetch-Site: cross-site
         Sec-Fetch-User: ?1
         Upgrade-Insecure-Requests: 1
-        User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/134.0.0.0 Safari/537.36
-        """);
+        User-Agent: Mozilla/5.0 (Linux; Android 6.0; Nexus 5 Build/MRA58N) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/111.0.0.0 Mobile Safari/537.36
+        """));
 
     private static final String DOWN_AJAX_HEADERS = """
             Accept: application/json, text/javascript, */*; q=0.01
@@ -144,11 +118,7 @@ public class LzTool extends PanBase {
             Sec-Fetch-Dest: empty
             Sec-Fetch-Mode: cors
             Sec-Fetch-Site: same-origin
-            User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/134.0.0.0 Safari/537.36
             X-Requested-With: XMLHttpRequest
-            sec-ch-ua: "Chromium";v="134", "Not:A-Brand";v="24", "Google Chrome";v="134"
-            sec-ch-ua-mobile: ?0
-            sec-ch-ua-platform: "Windows"
             """;
 
     private static final String VERIFY_AJAX_HEADERS = """
@@ -292,17 +262,18 @@ public class LzTool extends PanBase {
         return path.isEmpty() || "-".equals(path);
     }
 
-    /**
-     * 分享页 / 目录页 GET 保留原始主机和路径。
-     * 只有分享路径缺失（空链接、shareKey 占位）时才落到 {@link #SHARE_URL_PREFIX}。
-     */
-    static String resolveSharePageUrl(String shareUrl, String standardUrl, String shareKey) {
-        String u = shareUrl;
+    /** 统一改写到 {@link #SHARE_URL_PREFIX}，只保留分享路径。 */
+    private String resolveShareUrl() {
+        String u = shareLinkInfo.getShareUrl();
         if (isPlaceholderShare(u)) {
-            u = standardUrl;
+            u = shareLinkInfo.getStandardUrl();
         }
         if (isPlaceholderShare(u)) {
-            return canonicalShareUrl(shareKey, null);
+            String key = shareLinkInfo.getShareKey();
+            if (key == null || key.isBlank() || "-".equals(key)) {
+                return SHARE_URL_PREFIX;
+            }
+            return SHARE_URL_PREFIX + key;
         }
         int q = u.indexOf('?');
         String query = null;
@@ -316,167 +287,10 @@ public class LzTool extends PanBase {
         }
         int pathStart = u.indexOf('/', schemeEnd + 3);
         if (pathStart < 0) {
-            String base = u.endsWith("/") ? u : u + "/";
-            if (shareKey == null || shareKey.isBlank() || "-".equals(shareKey)) {
-                return appendWebpage(base, query);
-            }
-            return appendWebpage(base + shareKey, query);
+            String key = shareLinkInfo.getShareKey();
+            return appendWebpage(SHARE_URL_PREFIX + (key == null ? "" : key), query);
         }
-        return appendWebpage(u, query);
-    }
-
-    private String resolveShareUrl() {
-        return resolveSharePageUrl(
-                shareLinkInfo.getShareUrl(),
-                shareLinkInfo.getStandardUrl(),
-                shareLinkInfo.getShareKey());
-    }
-
-    /** 无原始主机时用标准下载域拼分享路径，不再写死 wwww.lanzoux.com。 */
-    private static String canonicalShareUrl(String shareKey, String query) {
-        if (shareKey == null || shareKey.isBlank() || "-".equals(shareKey)) {
-            return appendWebpage(SHARE_URL_PREFIX, query);
-        }
-        return appendWebpage(SHARE_URL_PREFIX + shareKey, query);
-    }
-
-    /**
-     * 目录内文件页主机：沿用已有分享主机，否则用 {@link #SHARE_URL_PREFIX}。
-     */
-    static String sharePageHostBase(String shareUrl, String standardUrl) {
-        String u = !isPlaceholderShare(shareUrl) ? shareUrl : standardUrl;
-        if (!isPlaceholderShare(u)) {
-            String origin = normalizeOrigin(originOf(u, SHARE_ORIGIN));
-            return origin + "/";
-        }
-        return SHARE_URL_PREFIX;
-    }
-
-    /**
-     * 目录 filemore 的 POST 主机顺序：分享页源站优先（普通节点通常可用），
-     * 然后是稳定下载域。wwww.lanzoux.com 固定排在最后。
-     */
-    static List<String> ajaxOrigins(String pageUrl) {
-        List<String> origins = new ArrayList<>();
-        addAjaxOrigin(origins, normalizeOrigin(originOf(pageUrl, "")));
-        for (String candidate : AJAX_FALLBACK_ORIGINS) {
-            addAjaxOrigin(origins, candidate);
-        }
-        return origins;
-    }
-
-    /**
-     * 文件 ajax 主机顺序。页面里若写出绝对 ajax URL，该主机最先尝试；
-     * 否则先打页面源站。空响应后再试 {@link #APIFILE_ORIGIN}，四 w 仍在最后。
-     *
-     * @param ajaxTarget {@link #fileAjaxTarget} 的返回值，绝对 URL 或相对路径；可为 null
-     */
-    static List<String> fileAjaxOrigins(String pageUrl, String ajaxTarget) {
-        List<String> origins = new ArrayList<>();
-        addAjaxOrigin(origins, originFromAjaxTarget(ajaxTarget));
-        addAjaxOrigin(origins, normalizeOrigin(originOf(pageUrl, "")));
-        for (String candidate : FILE_AJAX_FALLBACK_ORIGINS) {
-            addAjaxOrigin(origins, candidate);
-        }
-        return origins;
-    }
-
-    /**
-     * 从分享页或 iframe HTML 取出文件 ajax 地址。
-     * 绝对 URL（含协议相对 {@code //host/...}）原样返回；否则返回以 {@code /} 开头的相对路径。
-     */
-    static String fileAjaxTarget(String html) {
-        if (html == null || html.isEmpty()) {
-            return null;
-        }
-        Matcher abs = P_AJAX_ABSOLUTE.matcher(html);
-        if (abs.find()) {
-            String url = abs.group(1);
-            if (url.startsWith("//")) {
-                url = "https:" + url;
-            }
-            return url;
-        }
-        Matcher ajax = P_AJAX_PATH.matcher(html);
-        if (!ajax.find()) {
-            return null;
-        }
-        return "/" + ajax.group(1);
-    }
-
-    private static void addAjaxOrigin(List<String> origins, String origin) {
-        if (origin != null && origin.contains("://") && !origins.contains(origin)) {
-            origins.add(origin);
-        }
-    }
-
-    private static String originFromAjaxTarget(String ajaxTarget) {
-        if (ajaxTarget == null) {
-            return "";
-        }
-        if (ajaxTarget.startsWith("http://") || ajaxTarget.startsWith("https://")) {
-            return normalizeOrigin(originOf(ajaxTarget, ""));
-        }
-        return "";
-    }
-
-    private static String normalizeOrigin(String origin) {
-        if (origin == null) {
-            return "";
-        }
-        String o = origin.trim();
-        while (o.endsWith("/")) {
-            o = o.substring(0, o.length() - 1);
-        }
-        return o;
-    }
-
-    /**
-     * 个性域名常见 {@code inf=已超时}，或响应根本不是 JSON。这类结果说明当前主机不可用，应换下一个域名。
-     * 密码错误、分享失效等业务错误不换域名。
-     */
-    static boolean ajaxResponseShouldFallback(String text) {
-        if (text == null || text.isBlank()) {
-            return true;
-        }
-        JsonObject json = parseLzJson(text);
-        if (json == null) {
-            return true;
-        }
-        Integer zt = jsonInt(json, "zt");
-        if (zt != null && zt == 1) {
-            return false;
-        }
-        String info = ajaxInfoText(json);
-        return info != null && info.contains("超时");
-    }
-
-    private static Integer jsonInt(JsonObject json, String key) {
-        Object v = json.getValue(key);
-        if (v instanceof Number n) {
-            return n.intValue();
-        }
-        if (v instanceof CharSequence) {
-            try {
-                return Integer.parseInt(v.toString().trim());
-            } catch (NumberFormatException ignored) {
-                return null;
-            }
-        }
-        return null;
-    }
-
-    private static String ajaxInfoText(JsonObject json) {
-        for (String key : new String[]{"inf", "info"}) {
-            Object v = json.getValue(key);
-            if (v instanceof CharSequence) {
-                String s = v.toString().trim();
-                if (!s.isEmpty() && !"null".equalsIgnoreCase(s)) {
-                    return s;
-                }
-            }
-        }
-        return null;
+        return appendWebpage(SHARE_ORIGIN + u.substring(pathStart), query);
     }
 
     /** 目录文件 ID 可能带 webpage=，必须保留；pwd 走独立字段，不拼进 URL。 */
@@ -600,12 +414,8 @@ public class LzTool extends PanBase {
         return true;
     }
 
-    /** 页面里提取出的 ajax 调用。absoluteUrl 非空时优先打该主机。 */
-    private record AjaxCall(String path, Map<String, String> form, String absoluteUrl) {
-        private AjaxCall(String path, Map<String, String> form) {
-            this(path, form, null);
-        }
-
+    /** 页面里提取出的 ajax 调用：相对路径 + 表单参数。 */
+    record AjaxCall(String path, Map<String, String> form) {
         MultiMap toForm() {
             MultiMap m = MultiMap.caseInsensitiveMultiMap();
             form.forEach(m::set);
@@ -617,12 +427,11 @@ public class LzTool extends PanBase {
         if (html == null || html.isEmpty()) {
             return null;
         }
-        String target = fileAjaxTarget(html);
-        if (target == null) {
+        Matcher ajax = P_AJAX_PATH.matcher(html);
+        if (!ajax.find()) {
             return null;
         }
-        String absolute = target.startsWith("http://") || target.startsWith("https://") ? target : null;
-        String ajaxPath = absolute == null ? target : pathOfAbsolute(absolute);
+        String ajaxPath = ajax.group(1);
         Map<String, String> data = new LinkedHashMap<>();
         data.put("action", "downprocess");
         Matcher wp = P_WP_SIGN.matcher(html);
@@ -676,26 +485,10 @@ public class LzTool extends PanBase {
                 data.put("signs", ad2.group(1));
             }
         }
-        return new AjaxCall(ajaxPath, data, absolute);
+        return new AjaxCall("/" + ajaxPath, data);
     }
 
-    private static String pathOfAbsolute(String url) {
-        try {
-            URL u = new URL(url);
-            String path = u.getPath() == null ? "" : u.getPath();
-            if (u.getQuery() != null && !u.getQuery().isEmpty()) {
-                path = path + "?" + u.getQuery();
-            }
-            if (!path.startsWith("/")) {
-                path = "/" + path;
-            }
-            return path;
-        } catch (Exception e) {
-            return url;
-        }
-    }
-
-    private static AjaxCall extractFolderAjax(String html, String pwd) {
+    static AjaxCall extractFolderAjax(String html, String pwd) {
         if (html == null || html.isEmpty()) {
             return null;
         }
@@ -785,59 +578,13 @@ public class LzTool extends PanBase {
     }
 
     private void getDownURL(String referer, AjaxCall call) {
-        MultiMap headers = HeaderUtils.parseHeaders(DOWN_AJAX_HEADERS);
-        // 文件 ajax 优先用页面里的绝对地址（常见 apifile.lanzouw.com）。
-        // 页面源站空响应再换 FILE_AJAX_FALLBACK_ORIGINS，wwww 仍在最后。
-        // iframe / 分享页的 Referer 保持原主机，不把页面 GET 改写到 wwww。
-        String page = referer != null && !referer.isBlank() ? referer : resolveShareUrl();
-        headers.set("referer", page);
-        String target = call.absoluteUrl() != null ? call.absoluteUrl() : call.path();
-        postAjaxAt(fileAjaxOrigins(page, target), 0, call, headers, this::handleAjaxDownResponse, null);
-    }
-
-    /**
-     * 依次向 {@link #ajaxOrigins} 发 POST。连接失败或「已超时」换下一个主机；
-     * wwww.lanzoux.com 只在最后尝试。业务错误（密码、失效）立即返回。
-     */
-    private void postAjaxWithFallback(String pageUrl, AjaxCall call, MultiMap headers,
-                                       Handler<String> onBody, Handler<Throwable> onFailure) {
-        postAjaxAt(ajaxOrigins(pageUrl), 0, call, headers, onBody, onFailure);
-    }
-
-    private void postAjaxAt(List<String> origins, int index, AjaxCall call, MultiMap headers,
-                             Handler<String> onBody, Handler<Throwable> onFailure) {
-        if (index >= origins.size()) {
-            String msg = "蓝奏 ajax 全部域名均失败";
-            if (onFailure != null) {
-                onFailure.handle(new RuntimeException(msg));
-            } else {
-                fail(msg);
-            }
-            return;
-        }
-        String url = joinUrl(origins.get(index) + "/", call.path());
-        boolean hasNext = index + 1 < origins.size();
+        MultiMap headers = applyMobileIdentity(HeaderUtils.parseHeaders(DOWN_AJAX_HEADERS));
+        // 个性域名 ajaxfile.php 会立刻 inf=已超时；POST 必须打 wwww。iframe 请求 Referer 用 iframe 地址。
+        headers.set("referer", referer != null && !referer.isBlank() ? referer : resolveShareUrl());
+        String url = joinUrl(SHARE_ORIGIN + "/", call.path());
         postFormWithArg1Retry(url, headers, call.toForm())
-                .onSuccess(text -> {
-                    if (hasNext && ajaxResponseShouldFallback(text)) {
-                        log.warn("蓝奏 ajax {} 不可用，改试下一域名", url);
-                        postAjaxAt(origins, index + 1, call, headers, onBody, onFailure);
-                        return;
-                    }
-                    onBody.handle(text);
-                })
-                .onFailure(err -> {
-                    if (hasNext) {
-                        log.warn("蓝奏 ajax {} 请求失败: {}，改试下一域名", url, err.getMessage());
-                        postAjaxAt(origins, index + 1, call, headers, onBody, onFailure);
-                        return;
-                    }
-                    if (onFailure != null) {
-                        onFailure.handle(err);
-                    } else {
-                        handleFail(url).handle(err);
-                    }
-                });
+                .onSuccess(this::handleAjaxDownResponse)
+                .onFailure(handleFail(url));
     }
 
     private void handleAjaxDownResponse(String text) {
@@ -872,7 +619,7 @@ public class LzTool extends PanBase {
 
     /**
      * 中间链：部分出口仍 302；多数（含机房 IP）固定出「验证并下载」页。
-     * dmpdmp 等下载域仍会出 arg1 挑战（Windows UA 更常见），必须算 acw_sc__v2 再请求。
+     * dmpdmp 等下载域仍会出 arg1 挑战，必须算 acw_sc__v2 再请求。
      * 必须等约 2s 后 POST /file/ajax.php el=2 拿 CDN 直链；立刻 POST 会 ?SignError。
      * 中间页不能当成功结果返回——用户侧裸打开永远是验证 HTML。
      */
@@ -1004,20 +751,17 @@ public class LzTool extends PanBase {
     }
 
     /** 最后一步 GET 用完整浏览器导航头，裸 curl / 无 UA 会固定落到验证页。 */
-    private static MultiMap lanrarPageHeaders(String referer) {
+    static MultiMap lanrarPageHeaders(String referer) {
         MultiMap h = MultiMap.caseInsensitiveMultiMap();
         h.addAll(PAGE_HEADERS);
         h.set("referer", referer);
         return h;
     }
 
-    private static MultiMap lanrarAjaxHeaders(String referer) {
-        MultiMap h = HeaderUtils.parseHeaders(VERIFY_AJAX_HEADERS);
+    static MultiMap lanrarAjaxHeaders(String referer) {
+        MultiMap h = applyMobileIdentity(HeaderUtils.parseHeaders(VERIFY_AJAX_HEADERS));
         h.set("referer", referer);
-        copyHeader(h, "User-Agent", "User-Agent");
         copyHeader(h, "Sec-CH-UA", "sec-ch-ua");
-        copyHeader(h, "Sec-CH-UA-Mobile", "sec-ch-ua-mobile");
-        copyHeader(h, "Sec-CH-UA-Platform", "sec-ch-ua-platform");
         return h;
     }
 
@@ -1127,18 +871,45 @@ public class LzTool extends PanBase {
         complete(downloadUrl);
     }
 
-    /** 目录列表 filemoreajax.php 用移动端 UA。 */
-    private static MultiMap folderListHeaders(String referer) {
-        MultiMap headers = MultiMap.caseInsensitiveMultiMap();
-        headers.set("User-Agent", "Mozilla/5.0 (Linux; Android 6.0; Nexus 5 Build/MRA58N) AppleWebKit/537.36 "
-                + "(KHTML, like Gecko) Chrome/111.0.0.0 Mobile Safari/537.36");
-        headers.set("referer", referer);
-        headers.set("sec-ch-ua-platform", "Android");
-        headers.set("Accept-Language", "zh-CN,zh;q=0.8,zh-TW;q=0.7,zh-HK;q=0.5,en-US;q=0.3,en;q=0.2");
-        headers.set("sec-ch-ua-mobile", "?1");
+    /** 蓝奏对外请求统一写成 Android Mobile，避免桌面 UA 落到 off0 空壳。 */
+    static MultiMap applyMobileIdentity(MultiMap headers) {
+        headers.set("User-Agent", MOBILE_UA);
+        headers.set("Sec-CH-UA-Mobile", "?1");
+        headers.set("Sec-CH-UA-Platform", "\"Android\"");
         return headers;
     }
 
+    static MultiMap folderListHeaders(String referer) {
+        MultiMap headers = applyMobileIdentity(MultiMap.caseInsensitiveMultiMap());
+        headers.set("Accept-Language", "zh-CN,zh;q=0.8,zh-TW;q=0.7,zh-HK;q=0.5,en-US;q=0.3,en;q=0.2");
+        headers.set("referer", referer);
+        return headers;
+    }
+
+    static String mobileUserAgent() {
+        return MOBILE_UA;
+    }
+
+    static MultiMap sharePageHeaders() {
+        return PAGE_HEADERS;
+    }
+
+    static MultiMap downAjaxHeaders() {
+        return applyMobileIdentity(HeaderUtils.parseHeaders(DOWN_AJAX_HEADERS));
+    }
+
+    /** 蓝奏 off0 / off1 下线空壳：桌面 UA 拉分享页时常只有这个，没有 filemoreajax。 */
+    static boolean isLzOfflineStub(String html) {
+        if (html == null || html.isBlank()) {
+            return true;
+        }
+        if (html.contains("class=\"off0\"") || html.contains("class='off0'")
+                || html.contains("id=\"off0\"") || html.contains("id='off0'")
+                || html.contains("class=\"off1\"") || html.contains("class='off1'")) {
+            return true;
+        }
+        return P_OFF_MSG.matcher(html).find();
+    }
 
     @Override
     public Future<List<FileInfo>> parseFileList() {
@@ -1169,9 +940,10 @@ public class LzTool extends PanBase {
             }
             log.debug("解析参数: {}", call.form());
 
-            postAjaxWithFallback(sUrl, call, folderListHeaders(sUrl),
-                    body -> handleFileListResponse(body, listPromise),
-                    listPromise::fail);
+            String url = joinUrl(originOf(sUrl, SHARE_ORIGIN) + "/", call.path());
+            postFormWithArg1Retry(url, folderListHeaders(sUrl), call.toForm())
+                    .onSuccess(body -> handleFileListResponse(body, listPromise))
+                    .onFailure(listPromise::fail);
         } catch (ScriptException | NoSuchMethodException | RuntimeException e) {
             listPromise.fail(e);
         }
@@ -1213,7 +985,7 @@ public class LzTool extends PanBase {
         return path.charAt(0) == 'b' || path.charAt(0) == 'B';
     }
 
-    private static boolean isLzFolderHtml(String html) {
+    static boolean isLzFolderHtml(String html) {
         if (html == null || html.isBlank()) {
             return false;
         }
@@ -1324,7 +1096,7 @@ public class LzTool extends PanBase {
         if (webpage == null || webpage.isBlank()) {
             webpage = extractWebpage(shareLinkInfo.getShareUrl(), null);
         }
-        String fileUrl = sharePageHostBase(shareLinkInfo.getShareUrl(), shareLinkInfo.getStandardUrl()) + id;
+        String fileUrl = SHARE_URL_PREFIX + id;
         if (webpage != null && !webpage.isBlank()) {
             fileUrl = fileUrl + "?webpage=" + webpage;
         }

parser/src/test/java/cn/qaiu/parser/impl/LzToolFolderPageTest.java

@@ -0,0 +1,110 @@
+package cn.qaiu.parser.impl;
+
+import io.vertx.core.MultiMap;
+import org.junit.Test;
+
+import java.util.List;
+
+import static org.junit.Assert.*;
+
+/**
+ * 蓝奏 LzTool 对外请求一律移动 UA：桌面 Chrome 会触发 off0 下线空壳。
+ * 不访问真实蓝奏，只回归请求头与空壳/目录页识别。
+ */
+public class LzToolFolderPageTest {
+
+    private static final String FOLDER_URL = "https://pan.lanzoux.com/b66477";
+    private static final String FILE_URL = "https://wwww.lanzoux.com/iULV2n4361c";
+
+    /** 桌面 UA 实测会落到的 off0 空壳（空 title，无 filemoreajax）。 */
+    private static final String OFF0_STUB = """
+            <!DOCTYPE html>
+            <html>
+            <head><meta charset="utf-8"><title></title></head>
+            <body>
+            <div class="off">
+            <div class="off0"></div>
+            <div class="off1"></div>
+            </div>
+            </body>
+            </html>
+            """;
+
+    /** 移动 UA 才能拿到的目录页片段。 */
+    private static final String FOLDER_HTML = """
+            <!DOCTYPE html>
+            <html>
+            <head><title>全网最全软件合集</title></head>
+            <body>
+            <div id="infos"></div>
+            <script type="text/javascript">
+            $.ajax({
+                url : '/filemoreajax.php?file=66477',
+                data : {
+                    'lx':2,
+                    'fid':66477,
+                    'uid':'u1',
+                    'pg':1,
+                    'rep':'0',
+                    't':t,
+                    'k':k,
+                    'up':1,
+                    'pwd':pwd
+                }
+            });
+            var t = 'TIME_TOKEN';
+            var k = 'KEY_TOKEN';
+            </script>
+            </body>
+            </html>
+            """;
+
+    @Test
+    public void testAllOutboundHeadersUseAndroidMobileUa() {
+        String mobileUa = LzTool.mobileUserAgent();
+        assertTrue(mobileUa.contains("Android"));
+        assertTrue(mobileUa.contains("Mobile Safari"));
+        assertFalse("蓝奏路径不应再带桌面 Chrome UA", mobileUa.contains("Windows NT"));
+
+        List<MultiMap> outbound = List.of(
+                LzTool.sharePageHeaders(),
+                LzTool.folderListHeaders(FOLDER_URL),
+                LzTool.downAjaxHeaders(),
+                LzTool.lanrarPageHeaders("https://developer2.lanrar.com"),
+                LzTool.lanrarAjaxHeaders(FILE_URL)
+        );
+        for (MultiMap headers : outbound) {
+            assertEquals(mobileUa, headers.get("User-Agent"));
+            assertEquals("?1", headers.get("Sec-CH-UA-Mobile"));
+            assertFalse(String.valueOf(headers.get("User-Agent")).contains("Windows NT"));
+            assertFalse("?0".equals(headers.get("Sec-CH-UA-Mobile")));
+        }
+        assertEquals("\"Android\"", LzTool.sharePageHeaders().get("Sec-CH-UA-Platform"));
+    }
+
+    @Test
+    public void testOff0StubDetectedWithoutFilemoreajax() {
+        assertTrue(LzTool.isLzOfflineStub(OFF0_STUB));
+        assertTrue(LzTool.isLzOfflineStub(""));
+        assertTrue(LzTool.isLzOfflineStub(null));
+        assertFalse(LzTool.isLzOfflineStub(FOLDER_HTML));
+        assertFalse(LzTool.isLzFolderHtml(OFF0_STUB));
+        assertNull(LzTool.extractFolderAjax(OFF0_STUB, null));
+    }
+
+    @Test
+    public void testRealFolderHtmlExtractsFilemoreajax() {
+        assertTrue(LzTool.isLzFolderHtml(FOLDER_HTML));
+        assertFalse(LzTool.isLzOfflineStub(FOLDER_HTML));
+        assertTrue(LzTool.isLzFolderUrl(FOLDER_URL));
+        assertFalse(LzTool.isLzFolderUrl(FILE_URL));
+
+        LzTool.AjaxCall call = LzTool.extractFolderAjax(FOLDER_HTML, "pwd1");
+        assertNotNull(call);
+        assertEquals("/filemoreajax.php?file=66477", call.path());
+        assertEquals("66477", call.form().get("fid"));
+        assertEquals("TIME_TOKEN", call.form().get("t"));
+        assertEquals("KEY_TOKEN", call.form().get("k"));
+        assertEquals("pwd1", call.form().get("pwd"));
+    }
+}

parser/src/test/java/cn/qaiu/parser/impl/LzToolShareUrlTest.java

@@ -1,178 +0,0 @@
-package cn.qaiu.parser.impl;
-
-import org.junit.Test;
-
-import java.util.List;
-
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertFalse;
-import static org.junit.Assert.assertTrue;
-
-/**
- * 个性域名 a.lanzouw.com 不能被改写到 wwww.lanzoux.com（四个 w）。
- * 部分出口连不上四 w，页面请求会超时；ajax 只把四 w 当作最后兜底。
- */
-public class LzToolShareUrlTest {
-
-    @Test
-    public void personalDomainPageStaysOffWwww() {
-        String resolved = LzTool.resolveSharePageUrl(
-                "https://a.lanzouw.com/xxx",
-                "https://w1.lanzn.com/xxx",
-                "xxx");
-        assertEquals("https://a.lanzouw.com/xxx", resolved);
-        assertFalse(resolved.contains("wwww.lanzoux.com"));
-    }
-
-    @Test
-    public void folderPageKeepsOriginalHost() {
-        String resolved = LzTool.resolveSharePageUrl(
-                "https://a.lanzouw.com/b710887",
-                "https://w1.lanzn.com/b710887",
-                "b710887");
-        assertEquals("https://a.lanzouw.com/b710887", resolved);
-    }
-
-    @Test
-    public void nodeShareIsNotRewrittenToWwww() {
-        String resolved = LzTool.resolveSharePageUrl(
-                "https://wwn.lanzouy.com/ihLkw1gezutg",
-                "https://w1.lanzn.com/ihLkw1gezutg",
-                "ihLkw1gezutg");
-        assertEquals("https://wwn.lanzouy.com/ihLkw1gezutg", resolved);
-    }
-
-    @Test
-    public void webpageQueryStaysOnOriginalHost() {
-        String resolved = LzTool.resolveSharePageUrl(
-                "https://a.lanzouw.com/iabc?webpage=wp1&pwd=secret",
-                "https://w1.lanzn.com/iabc",
-                "iabc");
-        assertEquals("https://a.lanzouw.com/iabc?webpage=wp1", resolved);
-    }
-
-    @Test
-    public void placeholderUsesStandardHostNotWwww() {
-        assertEquals("https://w1.lanzn.com/", LzTool.SHARE_URL_PREFIX);
-        assertFalse(LzTool.SHARE_URL_PREFIX.contains("wwww"));
-        String resolved = LzTool.resolveSharePageUrl(
-                "https://w1.lanzn.com/-",
-                "https://w1.lanzn.com/-",
-                "iFileId");
-        assertEquals("https://w1.lanzn.com/iFileId", resolved);
-        assertFalse(resolved.contains("wwww.lanzoux.com"));
-    }
-
-    @Test
-    public void missingShareUrlKeepsRealStandardHost() {
-        String resolved = LzTool.resolveSharePageUrl(
-                null,
-                "https://www.lanzoux.com/iabc",
-                "iabc");
-        assertEquals("https://www.lanzoux.com/iabc", resolved);
-    }
-
-    @Test
-    public void ajaxFallbackOrderPutsWwwwLast() {
-        List<String> fallback = LzTool.AJAX_FALLBACK_ORIGINS;
-        assertEquals("https://w1.lanzn.com", fallback.get(0));
-        assertEquals("https://www.lanzoux.com", fallback.get(1));
-        assertEquals("https://wwww.lanzoux.com", fallback.get(fallback.size() - 1));
-
-        List<String> origins = LzTool.ajaxOrigins("https://a.lanzouw.com/xxx");
-        assertEquals("https://a.lanzouw.com", origins.get(0));
-        assertEquals("https://w1.lanzn.com", origins.get(1));
-        assertEquals("https://www.lanzoux.com", origins.get(2));
-        assertEquals("https://wwww.lanzoux.com", origins.get(origins.size() - 1));
-        assertTrue(origins.indexOf("https://wwww.lanzoux.com")
-                > origins.indexOf("https://w1.lanzn.com"));
-    }
-
-    @Test
-    public void ajaxOriginsDoNotDuplicateKnownHost() {
-        List<String> origins = LzTool.ajaxOrigins("https://www.lanzoux.com/iabc");
-        assertEquals(3, origins.size());
-        assertEquals("https://www.lanzoux.com", origins.get(0));
-        assertEquals("https://w1.lanzn.com", origins.get(1));
-        assertEquals("https://wwww.lanzoux.com", origins.get(2));
-    }
-
-    @Test
-    public void timeoutAjaxFallsBackButBusinessErrorDoesNot() {
-        assertTrue(LzTool.ajaxResponseShouldFallback("{\"zt\":0,\"inf\":\"已超时\"}"));
-        assertTrue(LzTool.ajaxResponseShouldFallback("{\"info\":\"请求超时\"}"));
-        assertTrue(LzTool.ajaxResponseShouldFallback(""));
-        assertTrue(LzTool.ajaxResponseShouldFallback("<html>blocked</html>"));
-        assertFalse(LzTool.ajaxResponseShouldFallback("{\"zt\":0,\"inf\":\"密码错误\"}"));
-        assertFalse(LzTool.ajaxResponseShouldFallback(
-                "{\"zt\":1,\"inf\":\"name.zip\",\"dom\":\"https://x\",\"url\":\"abc\"}"));
-    }
-
-    @Test
-    public void filePagePrefersExistingHostOverWwww() {
-        assertEquals("https://a.lanzouw.com/",
-                LzTool.sharePageHostBase("https://a.lanzouw.com/b123", "https://w1.lanzn.com/b123"));
-        assertEquals("https://w1.lanzn.com/",
-                LzTool.sharePageHostBase("https://w1.lanzn.com/-", "https://w1.lanzn.com/-"));
-        assertFalse(LzTool.sharePageHostBase("https://a.lanzouw.com/b123", null).contains("wwww"));
-    }
-
-    @Test
-    public void absoluteAjaxUrlIsKeptAndTriedFirst() {
-        String html = """
-                url : 'https://apifile.lanzouw.com/ajaxfile.php?file=320665771',
-                data : { 'action':'downprocess','sign':isngis,'kd':kdns,'p':pwd, },
-                """;
-        String target = LzTool.fileAjaxTarget(html);
-        assertEquals("https://apifile.lanzouw.com/ajaxfile.php?file=320665771", target);
-
-        List<String> origins = LzTool.fileAjaxOrigins(
-                "https://wwaqg.lanzouu.com/iqouM49vy9ib", target);
-        assertEquals("https://apifile.lanzouw.com", origins.get(0));
-        assertTrue(origins.contains("https://wwaqg.lanzouu.com"));
-        assertEquals("https://wwww.lanzoux.com", origins.get(origins.size() - 1));
-        assertTrue(origins.indexOf("https://apifile.lanzouw.com")
-                < origins.indexOf("https://wwaqg.lanzouu.com"));
-        assertTrue(origins.indexOf("https://wwww.lanzoux.com")
-                > origins.indexOf("https://w1.lanzn.com"));
-        assertEquals(1, origins.stream().filter("https://apifile.lanzouw.com"::equals).count());
-    }
-
-    @Test
-    public void protocolRelativeAjaxBecomesHttps() {
-        String html = "url : '//apifile.lanzouw.com/ajaxfile.php?file=9',";
-        assertEquals("https://apifile.lanzouw.com/ajaxfile.php?file=9", LzTool.fileAjaxTarget(html));
-    }
-
-    @Test
-    public void absoluteAjaxWinsOverRelativePathInSamePage() {
-        String html = """
-                //data : { url : '/ajaxfile.php?file=1' }
-                url : "https://apifile.lanzouw.com/ajaxm.php?file=42",
-                """;
-        assertEquals("https://apifile.lanzouw.com/ajaxm.php?file=42", LzTool.fileAjaxTarget(html));
-    }
-
-    @Test
-    public void relativeFileAjaxFallsThroughToApifileBeforeWwww() {
-        String html = "url : '/ajaxfile.php?file=150233466',";
-        assertEquals("/ajaxfile.php?file=150233466", LzTool.fileAjaxTarget(html));
-
-        List<String> origins = LzTool.fileAjaxOrigins("https://a.lanzouw.com/xxx", LzTool.fileAjaxTarget(html));
-        assertEquals("https://a.lanzouw.com", origins.get(0));
-        assertEquals("https://apifile.lanzouw.com", origins.get(1));
-        assertEquals("https://wwww.lanzoux.com", origins.get(origins.size() - 1));
-        assertTrue(origins.indexOf("https://apifile.lanzouw.com")
-                < origins.indexOf("https://wwww.lanzoux.com"));
-        assertFalse(LzTool.ajaxOrigins("https://a.lanzouw.com/xxx").contains("https://apifile.lanzouw.com"));
-    }
-
-    @Test
-    public void missingAjaxTargetStillPutsApifileBeforeWwww() {
-        List<String> origins = LzTool.fileAjaxOrigins("https://www.lanzoux.com/ihLkw1gezutg", null);
-        assertEquals("https://www.lanzoux.com", origins.get(0));
-        assertEquals("https://apifile.lanzouw.com", origins.get(1));
-        assertEquals("https://wwww.lanzoux.com", origins.get(origins.size() - 1));
-        assertFalse(origins.get(0).contains("wwww"));
-    }
-}

pom.xml

@@ -17,7 +17,7 @@
     </modules>
 
     <properties>
-        <revision>0.4.7</revision>
+        <revision>0.4.6</revision>
         <java.version>17</java.version>
         <maven.compiler.source>17</maven.compiler.source>
         <maven.compiler.target>17</maven.compiler.target>
@@ -33,9 +33,9 @@
         <commons-lang3.version>3.18.0</commons-lang3.version>
         <commons-beanutils2.version>2.0.0</commons-beanutils2.version>
         <parserVersion>10.2.5</parserVersion>
-        <jackson.version>2.18.10</jackson.version>
+        <jackson.version>2.18.9</jackson.version>
         <!-- Logback 最新稳定版 -->
-        <logback.version>1.6.4</logback.version>
+        <logback.version>1.5.34</logback.version>
         <junit.version>4.13.2</junit.version>
     </properties>
 

web-front/package.json

@@ -1,6 +1,6 @@
 {
   "name": "nfd-web",
-  "version": "0.4.7",
+  "version": "0.4.6",
   "private": true,
   "scripts": {
     "serve": "vue-cli-service serve",