从LDAP(Java)检索信息

发布时间：2020-12-15 04:08:02 所属栏目：Java 来源：网络整理

导读：我正在尝试从LDAP服务器检索数据,但它失败了. (连接工程).我很难理解最后一行中search()方法需要哪些参数…… “mail”是我想要获取的信息,userName是经过身份验证的用户. DirContext authContext = new InitialDirContext(authEnv); SearchControls constra

我正在尝试从LDAP服务器检索数据,但它失败了. (连接工程).我很难理解最后一行中search()方法需要哪些参数……
“mail”是我想要获取的信息,userName是经过身份验证的用户.

DirContext authContext = new InitialDirContext(authEnv);
 SearchControls constraints = new SearchControls();
 constraints.setSearchScope(SearchControls.SUBTREE_SCOPE);
 NamingEnumeration results = authContext.search("mail",userName,constraints);

这是我的错误消息(在最后一行出现)：

javax.naming.directory.InvalidSearchFilterException: Missing 'equals'; remaining name 'mail'
at com.sun.jndi.ldap.Filter.encodeSimpleFilter(Unknown Source)
at com.sun.jndi.ldap.Filter.encodeFilter(Unknown Source)
at com.sun.jndi.ldap.Filter.encodeFilterString(Unknown Source)
at com.sun.jndi.ldap.LdapClient.search(Unknown Source)
at com.sun.jndi.ldap.LdapCtx.doSearch(Unknown Source)
at com.sun.jndi.ldap.LdapCtx.searchAux(Unknown Source)
at com.sun.jndi.ldap.LdapCtx.c_search(Unknown Source)
at com.sun.jndi.toolkit.ctx.ComponentDirContext.p_search(Unknown Source)
at com.sun.jndi.toolkit.ctx.PartialCompositeDirContext.search(Unknown Source)
at com.sun.jndi.toolkit.ctx.PartialCompositeDirContext.search(Unknown Source)
at javax.naming.directory.InitialDirContext.search(Unknown Source)
at Client.connect(Client.java:48)
at Client.main(Client.java:23)

感谢所有答案,如果我按要求更改我的代码,我会收到以下错误：

javax.naming.NamingException: [LDAP: error code 1 - 000004DC: LdapErr: DSID-0C0906E9,comment: In order to perform this operation a successful bind must be completed on the 
  connection.,data 0,v1db1

我的连接代码就是这个：

Properties authEnv = new Properties();
    String userName = "XXX";
    String passWord = "XXX";
    String base = "XXX";
    String dn = "uid=" + userName + "," + base;
    String ldapURL = "XXX";

    authEnv.put(Context.INITIAL_CONTEXT_FACTORY,"com.sun.jndi.ldap.LdapCtxFactory");
    authEnv.put(Context.PROVIDER_URL,ldapURL);
    authEnv.put(Context.SECURITY_AUTHENTICATION,"none");
    authEnv.put(Context.SECURITY_PRINCIPAL,dn);
    authEnv.put(Context.SECURITY_CREDENTIALS,passWord);

解决方法

在不知道您的架构的情况下,无法给出确切的答案.

LdapContext authContext = new InitialLdapContext(authEnv,null);
 SearchControls constraints = new SearchControls();
 String []returnedAttributes = {"mail"};
 String filter = "(userName={0})"; // You might want to limit search to user objects only based on objectClass
 String []filterAttributes = {userName};
 String baseDN = "CN=user,DC=company,DC=org"; // Replace this with the real baseDN
 constraints.setReturningAttributes(returnedAttributes)
 constraints.setSearchScope(SearchControls.SUBTREE_SCOPE);
 NamingEnumeration<SearchResult> results = authContext.search(baseDN,filter,filterAttributes,constraints);

（编辑：李大同）

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