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  • [FBA]SharePoint 2013自定义Providers在基于表单的身份验证（Forms-Based-Authentication）中的应用

    //http://tech.ddvip.com/2014-05/1401197453210723.html

    由于项目的需要，登录SharePoint Application的用户将从一个统一平台中获取，而不是从Domain中获取，所以需要对SharePoint Application的身份验证（Claims Authentication Types）进行更改，即采用更加灵活的混合模式登录：Windows Authentication和Forms Based Authentication。故本篇博客将着重笔墨去介绍SharePoint 2013自定义Providers在基于表单的身份验（Forms-Based-Authentication）中的应用。

    更改身份验证

    首先需要了解的一点事，怎样去更改指定的Web Application 的身份验证。进入SharePoint 2013 Central Administration-àApplication Management-àManage Web Applications-àAuthentication Providers，即如下所示：

    如截图所示那样，启用了FBA之后，需要我们提供自定义的Menbership Provider和Role Provider。

    创建Membership Provider和Role Provider

    这儿我选择创建一个Class Library，当然你也可以直接创建一个SharePoint 2013 Empty Project，注意不管是哪种，最终都需要把Assembly 注册/安装 到GAC里。

    • 如果是创建了SharePoint Project，要安装Assembly到GAC，直接部署就行。

    • 如果是创建了Class Library，需要有两个步骤1）.Sign the assembly（右键项目-àProperty-àSigning），2）gacutil /i "<assembly path/assembly name.dll>"，如下所示（使用VS Command Tool）：

    获取Strong Name Key File

    安装Assembly到GAC

    对于.NET 4.0以上的Assembly，GAC位于C:WindowsMicrosoft.NETassembly。.NET 3.5 GAC在C:Windowsassembly，所以别找错地方。Assembly成功注册到GAC后，最好IISReset下。

    接着，创建相关的Provider，分别继承MembershipProvider和RoleProvider即可。

    • 自定义MembershipProvider，主要代码如下：

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    public class FBA_CustomRoleProvider : MembershipProvider
        {
            #region 重写的方法
         
            private MembershipUserCollection employees;
            private void generateUsers()
            {
         
                employees = new MembershipUserCollection();
                employees.Add(new MembershipUser(this.Name, "Jack Chen", "JackChen", "Jack@Chen.com", "What your Name?", "I am Jack", true, false, DateTime.Today, DateTime.Today, DateTime.Today, DateTime.Today, DateTime.Today));
                employees.Add(new MembershipUser(this.Name, "Bruce Li", "BruceLi", "BruceLi@Li.com", "How are u?", "How old are u", true, false, DateTime.Today, DateTime.Today, DateTime.Today, DateTime.Today, DateTime.Today));
                employees.Add(new MembershipUser(this.Name, "Eyes Wang", "EyesWang", "EyesWang@Mintcode.com", "What the hell?", "what the fuck", true, false, DateTime.Today, DateTime.Today, DateTime.Today, DateTime.Today, DateTime.Today));
         
            }
         
            public override MembershipUserCollection FindUsersByName(string usernameToMatch, int pageIndex, int pageSize, out int totalRecords)
            {
                if (employees == null) generateUsers();
                MembershipUserCollection returnFoundUsers = new MembershipUserCollection();
         
                (employees.Cast<MembershipUser>().
         
                    Where(membershipUser => membershipUser.UserName.ToLowerInvariant().Contains(usernameToMatch.ToLowerInvariant())))
         
                    .ToList().ForEach(returnFoundUsers.Add);
         
                totalRecords = returnFoundUsers.Count;
                return returnFoundUsers;
            }
         
            public override MembershipUserCollection GetAllUsers(int pageIndex, int pageSize, out int totalRecords)
            {
         
                if (employees == null) generateUsers();
                totalRecords = employees.Count;
                return employees;
            }
         
            public override MembershipUser GetUser(string username, bool userIsOnline)
            {
         
                if (employees == null) generateUsers();
                IEnumerable<MembershipUser> usersFound = employees.Cast<MembershipUser>().Where(membershipUser => membershipUser.UserName == username);
                return usersFound.FirstOrDefault();
            }
         
            public override MembershipUser GetUser(object providerUserKey, bool userIsOnline)
            {
         
                if (employees == null) generateUsers();
         
                IEnumerable<MembershipUser> usersFound = employees.Cast<MembershipUser>().Where(membershipUser => membershipUser.ProviderUserKey.ToString() == providerUserKey.ToString());
         
                return usersFound.FirstOrDefault();
            }
         
            public override string GetUserNameByEmail(string email)
            {
                if (employees == null) generateUsers();
         
                IEnumerable<MembershipUser> usersFound = employees.Cast<MembershipUser>().Where(membershipUser => membershipUser.Email.ToLowerInvariant() == email.ToLowerInvariant());
         
                MembershipUser user = usersFound.FirstOrDefault();
         
         
                if (user != null)
         
                    return user.UserName;
         
                else
         
                    return null;
            }
         
            public override MembershipUserCollection FindUsersByEmail(string emailToMatch, int pageIndex, int pageSize, out int totalRecords)
            {
         
                if (employees == null) generateUsers();
                MembershipUserCollection returnFoundUsers = new MembershipUserCollection();
         
                (employees.Cast<MembershipUser>().
         
                 Where(membershipUser => membershipUser.Email.ToLowerInvariant().Contains(emailToMatch.ToLowerInvariant())))
         
                    .ToList().ForEach(returnFoundUsers.Add);
         
                totalRecords = returnFoundUsers.Count;
         
                return returnFoundUsers;
         
            }
         
            public override bool ValidateUser(string username, string password)
            {
                //return true;
                if (employees == null) generateUsers();
         
                IEnumerable<MembershipUser> usersFound = employees.Cast<MembershipUser>().Where(membershipUser => membershipUser.UserName == username);
                MembershipUser user = usersFound.FirstOrDefault();
         
                if (user != null)
                {
         
                    if (string.IsNullOrEmpty(password))
                    {
         
                        return false;
         
                    }
         
                    else
                    {
         
                        return true;
         
                    }
         
                }
         
                else
         
                    return false;
            }
            #endregion
    }

    自定义Role Provider，如下所示：

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    public class FBA_CustomMembershipProvider:RoleProvider
        {
           public override string ApplicationName { get; set; }
         
            //所有角色
            private string[] m_AllRoles = { "Developer", "Administrator", "Designer", "Architect ", "UI" };
             
            private string[,] m_RolesForUser = new string[,] {
         
                {"Eyes Wang", "Developer"},
         
                {"Bruce Li","Administrator"},
         
                {"Jack Chen","Designer,Architect"},
         
            };
                         
            /// <summary>
            /// 获取全部角色
            /// </summary>
            /// <returns></returns>
            public override string[] GetAllRoles()
            {
         
                return m_AllRoles;
         
            }
                 
            /// <summary>
            /// 根据User得到其相关的角色
            /// </summary>
            /// <param name="username"></param>
            /// <returns></returns>
            public override string[] GetRolesForUser(string username)
         
            {
                List<string> roles = new List<string>();
                for (int i = 0; i <= m_RolesForUser.GetUpperBound(0); i++)
                {
         
                    if (m_RolesForUser[i, 0] == username)
                    {
                        roles = m_RolesForUser[i, 1].Split(',').ToList<string>();
                    }
         
                }
                return roles.ToArray();
            }
         
                /// <summary>
                /// 根据角色获取其绑定的用户
                /// </summary>
                /// <param name="rolename"></param>
                /// <returns></returns>
              public override string[] GetUsersInRole(string rolename)
              {
         
                  List<string> users = new List<string>();
                  for (int i = 0; i <= m_RolesForUser.GetUpperBound(0); i++)
                   {
                       List<string> userRoles = m_RolesForUser[i, 1].Split(',').ToList<string>();
                       if (userRoles.Where(userRole => userRole == rolename).Count() > 0)
                      {
         
                         users.Add(m_RolesForUser[i, 0]);
                      }
         
                  }
                  return users.ToArray();
               }
         
         
             public override bool IsUserInRole(string username, string rolename)
             {
         
                  List<string> usersForRole = GetUsersInRole(rolename).ToList();
                  if (usersForRole.Where(userName => userName == username).Count() > 0)
                  {
                      return true;
                  }
         
                  else
                  {
                      return false;
                  }
         
             }
         
            public override bool RoleExists(string rolename)
            {
         
                 bool roleExsists = m_AllRoles.ToList().Where(roleName => roleName == rolename).Count() > 0;
                 return roleExsists;
            }
         
            public override string[] FindUsersInRole(string rolename, string usernameToMatch)
            {
         
                List<string> users = GetUsersInRole(rolename).ToList<string>();
                List<string> foundUsers = users.Where(userName => userName.ToLowerInvariant().Contains(usernameToMatch.ToLowerInvariant())).ToList<string>();
                return foundUsers.ToArray();
           }<br>}

    • 自定义的Provider成功安装到GAC之后，接着修改web.config。注意需要修改3个地方，Web Application Config、SharePoint Central Administration Config、SecurityTokenServiceApplication，其路径如果记不住的话，打开IIS，浏览即可，即如下所示：

    修改Web Config

    Web Config需要Assembly的Public Key Token，可以使用VS Command Tool来获取：

    • 首先修改Web Application的Web Config，找到其Membership节点，将以下代码复制进：

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    <membership defaultProvider="i">
          <providers>
            <add name="i" type="Microsoft.SharePoint.Administration.Claims.SPClaimsAuthMembershipProvider, Microsoft.SharePoint, Version=15.0.0.0, Culture=neutral, PublicKeyToken=71e9bce111e9429c" />
            <add name="CustomMembershipProvider" type="Eyes.CustomProvider.FBA_CustomRoleProvider,Eyes.CustomProvider, Version=1.0.0.0, Culture=neutral, PublicKeyToken=c4a0ffa664cbc06c" />
          </providers>
        </membership>
        <roleManager defaultProvider="c" enabled="true" cacheRolesInCookie="false">
          <providers>
            <add name="c" type="Microsoft.SharePoint.Administration.Claims.SPClaimsAuthRoleProvider, Microsoft.SharePoint, Version=15.0.0.0, Culture=neutral, PublicKeyToken=71e9bce111e9429c" />
            <add name="CustomRoleProvider" type="Eyes.CustomProvider.FBA_CustomMembershipProvider,Eyes.CustomProvider, Version=1.0.0.0, Culture=neutral, PublicKeyToken=c4a0ffa664cbc06c" />
          </providers>
        </roleManager>

    接着修改SharePoint Central Administration的Web Config，

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    <membership defaultProvider="i">
          <providers>
            <add name="i" type="Microsoft.SharePoint.Administration.Claims.SPClaimsAuthMembershipProvider, Microsoft.SharePoint, Version=15.0.0.0, Culture=neutral, PublicKeyToken=71e9bce111e9429c" />
            <add name="CustomMembershipProvider" type="Eyes.CustomProvider.FBA_CustomRoleProvider,Eyes.CustomProvider, Version=1.0.0.0, Culture=neutral, PublicKeyToken=c4a0ffa664cbc06c" />
          </providers>
        </membership>
        <roleManager>
          <providers>
            <add name="c" type="Microsoft.SharePoint.Administration.Claims.SPClaimsAuthRoleProvider, Microsoft.SharePoint, Version=15.0.0.0, Culture=neutral, PublicKeyToken=71e9bce111e9429c" />
            <add name="CustomRoleProvider" type="Eyes.CustomProvider.FBA_CustomMembershipProvider,Eyes.CustomProvider, Version=1.0.0.0, Culture=neutral, PublicKeyToken=c4a0ffa664cbc06c" />
          </providers>
        </roleManager>

    然后修改SecurityTokenSeriveApplication的Web Config，

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    <system.web>
         <membership defaultProvider="i">
          <providers>
            <add name="i" type="Microsoft.SharePoint.Administration.Claims.SPClaimsAuthMembershipProvider, Microsoft.SharePoint, Version=15.0.0.0, Culture=neutral, PublicKeyToken=71e9bce111e9429c" />
            <add name="CustomMembershipProvider" type="Eyes.CustomProvider.FBA_CustomRoleProvider,Eyes.CustomProvider, Version=1.0.0.0, Culture=neutral, PublicKeyToken=c4a0ffa664cbc06c" />
          </providers>
        </membership>
        <roleManager defaultProvider="c" enabled="true" cacheRolesInCookie="false">
          <providers>
            <add name="c" type="Microsoft.SharePoint.Administration.Claims.SPClaimsAuthRoleProvider, Microsoft.SharePoint, Version=15.0.0.0, Culture=neutral, PublicKeyToken=71e9bce111e9429c" />
            <add name="CustomRoleProvider" type="Eyes.CustomProvider.FBA_CustomMembershipProvider,Eyes.CustomProvider, Version=1.0.0.0, Culture=neutral, PublicKeyToken=c4a0ffa664cbc06c" />
          </providers>
        </roleManager>
      </system.web>

    • 最后将Web Application的Authentication Type修改为混合模式，如下所示

    分配用户并测试

    成功为Web Application创建了自定义的Provider之后，接着就是测试是否成功。如添加访问用户，可以如下图操作所示：

    搜索用户，如下图所示：

    访问Site，提示混合登录模式，如下图所示：

    登录成功后显示信息：

    小结

    当以Windows Authentication注销时，会发生错误（查阅日志后报错信息encodeValue不能为空）。我猜是没清理Session，查了很多资料，发现这是个别现象。不知道最新的SharePoint 2013 Updates有没有解决这个问题。我的版本是SharePoint 2013 Server（原始版本，从未更新过）。如果解决的话，劳烦各位朋友告诉我一下。点击代码下载
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  • 原文地址：https://www.cnblogs.com/TNSSTAR/p/3982036.html
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