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Meeraj,
On 10/12/14 8:26 AM, Service Symphony wrote:
> I have got it working, since the server is not started yet, none
> of the underlying infrastructure is available in the realm class
> constructor.
If you extend RealmBase (a good idea), then you can use the "lifecycle"
interface to receive calls when Tomcat changes states (e.g. is actually
started and the JNDI service is available).
If you use Tomcat 8, there was recently a change to the realm code to
allow for customized credential handling (i.e. password-munging). If
you only need to customize how passwords are checked -- for example,
by using a different hashing algorithm than what MessageDigest
provides -- then you might want to look into using that instead.
- -chris
>> On 11 Oct 2014, at 22:37, Meeraj Kunnumpurath
>> <mee...@servicesymphony.com> wrote:
>>
>> Hi,
>>
>> I have some specific requirements for security and I have been
>> trying to right a custom realm, that reads information from the
>> database.
>>
>> 1. I have added a datasource in the global naming resources
>> section in the server.xml 2. I have packaged the realm class in a
>> JAR file and copied it the server lib 3. I have included a
>> context.xml in the WAR META-INF, that declares the realm from
>> (2)
>>
>> In the constructor of the realm class, I try to look up the
>> datasource,
>>
>> 1. If I use new InitialContext().lookup, I get a name not found
>> exception. 2. If I try to get the global naming context, by
>> calling getServer from RealBase, getServer returns a null
>> reference.
>>
>> This is the entry in server.xml
>>
>> <Resource name="MyDS" auth="Container"
>> type="javax.sql.DataSource"
>> driverClassName="oracle.jdbc.OracleDriver"
>> factory="org.apache.tomcat.jdbc.pool.DataSourceFactory"
>> url="jdbc:oracle:thin:@10.211.55.7:1521:xe" username="meeraj"
>> password="password" maxTotal="20" maxIdle="10" maxWaitMillis="-1"
>> accessToUnderlyingConnectionAllowed="true"/>
>>
>> This is the entry in the context.xml
>>
>> <Realm className="com.ss.security.provider.DatabaseRealm"
>> digest="SHA1"/>
>>
>> This is the constructor of the Realm class
>>
>> public DatabaseRealm() throws NamingException { Context context
>> = null; try { context = new InitialContext(); template = new
>> SimpleJdbcTemplate((DataSource) context.lookup("MyDS")); }
>> finally { if (context != null) context.close(); } }
>>
>> Any pointers will be highly appreciated.
>>
>> Many thanks
>>
>> -- Meeraj Kunnumpurath Director and Executive Principal Service
>> Symphony Ltd 00 44 7702 693597 mee...@servicesymphony.com
>
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