设置Word文档的ADRMS权限的工具类

设置Word文档的ADRMS权限

 

引用Microsoft Office 12.0 Object Library

引用Microsoft Word 12.0 Object Library

 

/// <summary>
    /// 设置Word文档权限的工具类
    /// </summary>
    public class RmsWordHelper : IDisposable
    {
        /// <summary>
        /// Word应用程序对象
        /// </summary>
        private Microsoft.Office.Interop.Word.ApplicationClass app;

        /// <summary>
        /// Word文档路径
        /// </summary>
        private string filePath;
        public string FilePath
        {
            get { return this.filePath; }
            set { this.filePath = value; }
        }

        /// <summary>
        /// 权限集合
        /// </summary>
        private List<RmsWordPermission> rmsPerms = new List<RmsWordPermission>();
        public List<RmsWordPermission> RmsPerms
        {
            get { return this.rmsPerms; }
        }

        /// <summary>
        /// 空值
        /// </summary>
        private object MISSINGVALUE = System.Reflection.Missing.Value;

        /// <summary>
        /// 错误消息
        /// </summary>
        public string ErrMessage = string.Empty;

        
        /// <summary>
        /// 是否docx文档
        /// </summary>
        private bool is2007()
        {
            bool result = false;

            result = System.IO.Path.GetExtension(this.filePath).ToLower() == "docx";

            return result;
        }

        /// <summary>
        /// Rms授权后的文件名
        /// </summary>
        private string GetRmsFileName()
        {
            string filename = string.Empty;

            filename = System.IO.Path.Combine(System.IO.Path.GetDirectoryName(this.filePath), System.IO.Path.GetFileNameWithoutExtension(this.filePath) + "_RMS" + System.IO.Path.GetExtension(this.filePath));

            return filename;
        }

        /// <summary>
        /// 保存
        /// </summary>
        public bool Save()
        {
            //清除错误消息
            this.ErrMessage = string.Empty;

            bool result = false;

            object filename_src = this.filePath;
            object filename_dst = this.GetRmsFileName();

            try
            {
                if (this.app == null)
                {
                    this.app = new Microsoft.Office.Interop.Word.ApplicationClass();
                }

                var doc = this.app.Documents.Open(ref filename_src, ref MISSINGVALUE, ref MISSINGVALUE, ref MISSINGVALUE,
                                                     ref MISSINGVALUE, ref MISSINGVALUE, ref MISSINGVALUE, ref MISSINGVALUE,
                                                     ref MISSINGVALUE, ref MISSINGVALUE, ref MISSINGVALUE, ref MISSINGVALUE,
                                                     ref MISSINGVALUE, ref MISSINGVALUE, ref MISSINGVALUE, ref MISSINGVALUE);

                try
                {
                    doc.Activate();

                    doc.Permission.Enabled = true;

                    foreach (var permission in this.rmsPerms)
                    {
                        doc.Permission.Add(permission.UserId, permission.Perms, MISSINGVALUE);
                    }

                    if (this.is2007())
                    {
                        doc.SaveAs(ref filename_dst, ref MISSINGVALUE, ref MISSINGVALUE, ref MISSINGVALUE,
                                   ref MISSINGVALUE, ref MISSINGVALUE, ref MISSINGVALUE, ref MISSINGVALUE,
                                   ref MISSINGVALUE, ref MISSINGVALUE, ref MISSINGVALUE, ref MISSINGVALUE,
                                   ref MISSINGVALUE, ref MISSINGVALUE, ref MISSINGVALUE, ref MISSINGVALUE);
                    }
                    else
                    {
                        doc.SaveAs2000(ref filename_dst, ref MISSINGVALUE, ref MISSINGVALUE, ref MISSINGVALUE,
                                       ref MISSINGVALUE, ref MISSINGVALUE, ref MISSINGVALUE, ref MISSINGVALUE,
                                       ref MISSINGVALUE, ref MISSINGVALUE, ref MISSINGVALUE);
                    }

                result = true;

            }
            finally
            {
                doc.Close(ref MISSINGVALUE, ref MISSINGVALUE, ref MISSINGVALUE);
            }
        }
        catch (Exception ex)
        {
            this.ErrMessage = ex.Message;
        }

        return result;
            
    }

    /// <summary>
    /// 退出Word应用程序
    /// </summary>
    public void Dispose()
    {
        if (this.app != null)
        {
            this.app.Quit(ref MISSINGVALUE, ref MISSINGVALUE, ref MISSINGVALUE);
            this.app = null;
        }
    }
}

    

/// <summary>
/// 权限描述
/// </summary> 
public class RmsWordPermission
{

    // 域用户邮箱地址，所有用户使用“Everyone”
    public string UserId;

    // 权限枚举，多个权限使用|运算符
    public Microsoft.Office.Core.MsoPermission Perms;
}

 

使用示例

 

using (RmsWordHelper helper = new RmsWordHelper())
{
    helper.FilePath = filePath;
    helper.RmsPerms.Add(new RmsWordPermission() { UserId="Everyone", Perms= Microsoft.Office.Core.MsoPermission.msoPermissionRead });

    if (helper.Save())
    {
        MessageBox.Show("ok");
    }
    else
    {
        MessageBox.Show(helper.ErrMessage);
    }
}