fix: auto-detect Deflate64 in ZIP files

src/CMakeLists.txt

@@ -44,6 +44,9 @@ include_directories(${GOBJECT_INCLUDE_DIRS})
 pkg_search_module(GIO REQUIRED gio-unix-2.0)
 include_directories(${GIO_INCLUDE_DIRS})
 
+pkg_search_module(ZIP REQUIRED libzip)
+include_directories(${ZIP_INCLUDE_DIRS})
+
 #指定头文件路径
 include_directories(${PROJECT_SOURCE_DIR})
 include_directories(${PROJECT_SOURCE_DIR}/source)
@@ -77,6 +80,7 @@ target_link_libraries(${EXE_NAME}
     ${DtkWidget_LIBRARIES}
     ${GOBJECT_LIBRARIES}
     ${GIO_LIBRARIES}
+    ${ZIP_LIBRARIES}
     compressor-interface
 )
 

src/source/common/uitools.cpp

@@ -26,10 +26,12 @@
 #include <QTextCodec>
 #include <QRegularExpression>
 #include <QUuid>
 #include <QStorageInfo>
 #include <QProcessEnvironment>
 
+#include <zip.h>  // libzip header
+
 #include <KEncodingProber>
 
 DCORE_USE_NAMESPACE
 Q_DECLARE_METATYPE(KPluginMetaData)
@@ -223,6 +225,14 @@
 
     const CustomMimeType mimeType = determineMimeType(fileName);
 
+    // 提前检测 ZIP 文件是否需要替代插件（如 Deflate64）
+    if (!bWrite && eType == APT_Auto && mimeType.name() == "application/zip") {
+        if (checkZipNeedsAlternativePlugin(fileName)) {
+            qInfo() << "Detected need for alternative plugin, switching to cli7z";
+            eType = APT_Cli7z;  // 自动切换到 cli7z 插件
+        }
+    }
+
     QVector<Plugin *> offers;
     if (bWrite) {
         offers = PluginManager::get_instance().preferredWritePluginsFor(mimeType);
@@ -460,3 +470,51 @@
         return false;
     }
 }
+
+bool UiTools::checkZipNeedsAlternativePlugin(const QString &strFileName)
+{
+    // 使用 libzip API 检测压缩方法
+    int errcode = 0;
+    zip_t *archive = zip_open(QFile::encodeName(strFileName).constData(), ZIP_RDONLY, &errcode);
+
+    if (!archive) {
+        qWarning() << "Failed to open ZIP file for compression method check:" << strFileName;
+        return false;  // 无法打开文件，使用默认插件
+    }
+
+    // 获取文件数量
+    zip_int64_t num_entries = zip_get_num_entries(archive, 0);
+
+    // 检查前几个文件，跳过 stored（未压缩）文件，找到第一个实际压缩的文件
+    bool needsAlternative = false;
+    const int maxCheck = 20;  // 最多检查前 20 个文件
+
+    for (zip_int64_t i = 0; i < num_entries && i < maxCheck; i++) {
+        struct zip_stat stat_buffer;
+        zip_stat_init(&stat_buffer);
+
+        if (zip_stat_index(archive, static_cast<zip_uint64_t>(i), 0, &stat_buffer) == 0) {
+            // 跳过 stored 文件（comp_method == 0）
+            if (stat_buffer.comp_method == ZIP_CM_STORE) {
+                continue;
+            }
+
+            // 检查压缩方法
+            // ZIP_CM_DEFLATE (8) = 标准 Deflate
+            // ZIP_CM_DEFLATE64 (9) = Deflate64
+            if (stat_buffer.comp_method == ZIP_CM_DEFLATE64) {  // ZIP_CM_DEFLATE64
+                qInfo() << "Detected Deflate64 compression method, switching to cli7z plugin"
+                        << "file:" << strFileName
+                        << "entry:" << stat_buffer.name;
+                needsAlternative = true;
+                break;
+            }
+
+            // 如果找到第一个非 stored 的文件，且不是 Deflate64，则停止检查，通常 ZIP 文件使用统一的压缩方法
+            break;
+        }
+    }
+
+    zip_close(archive);
+    return needsAlternative;
+}

src/source/common/uitools.h

@@ -117,6 +117,13 @@ class UiTools : public QObject
     static ReadOnlyArchiveInterface *createInterface(const QString &fileName, bool bWrite = false, AssignPluginType eType = APT_Auto/*bool bUseLibArchive = false*/);
     static ReadOnlyArchiveInterface *createInterface(const QString &fileName, const CustomMimeType &mimeType, Plugin *plugin);
 
+    /**
+     * @brief checkZipNeedsAlternativePlugin 检测 ZIP 文件是否需要替代插件
+     * @param strFileName ZIP 文件路径
+     * @return 是否需要使用 cli7z 等替代插件
+     */
+    static bool checkZipNeedsAlternativePlugin(const QString &strFileName);
+
     /**
      * @brief transSplitFileName 处理7z、rar分卷压缩包名称
      * @param fileName 原始名称