[Security & JAAS/JBoss] - Classcast exception in LoginContext.getAttributeNames()
by njw
Me again :-)
I've implemented my own login provider, and to try to get a better understanding of whats being passed into it I added some debugging.
However, I added a call to LoginContext.getAttributeNames() and am now getting a ClassCast exception from the getAttributeNames() method :-
| 2006-12-14 16:14:06,370 DEBUG [org.jboss.security.valve.PlainSSOAutoLogin] ssoLogin() started provider=si:njw-sso:njw:login
| 2006-12-14 16:14:06,401 DEBUG [com.njw.NWLoginProvider] getId() started - returning id="si:njw-sso:njw:login"
| 2006-12-14 16:14:06,401 DEBUG [org.jboss.security.valve.PlainSSOAutoLogin] ssoLogin() loginProvider=NWLoginProvider si:njw-sso:njw:login
| 2006-12-14 16:14:06,401 DEBUG [com.njw.NWLoginProvider] exists(username) started - username=fgfgfgfgfgfgfgfgfgf
| 2006-12-14 16:14:06,401 DEBUG [org.jboss.security.valve.PlainSSOAutoLogin] ssoLogin() success=true
| 2006-12-14 16:14:06,417 DEBUG [com.njw.NWLoginProvider] processSSOLoginNotification() logonContext=org.jboss.security.idm.LoginContext@f2ff9b
| 2006-12-14 16:14:06,417 ERROR [STDERR] java.lang.ClassCastException: [Ljava.lang.Object;
| 2006-12-14 16:14:06,417 ERROR [STDERR] at org.jboss.security.idm.LoginContext.getAttributeNames(LoginContext.java:99)
| 2006-12-14 16:14:06,417 ERROR [STDERR] at com.njw.NWLoginProvider.processSSOLoginNotification(NWLoginProvider.java:39)
| 2006-12-14 16:14:06,417 ERROR [STDERR] at org.jboss.security.valve.PlainSSOAutoLogin.ssoLogin(PlainSSOAutoLogin.java:322)
|
my code :-
| public void processSSOLoginNotification(LoginContext argLoginContext) throws IdentityException {
| this.loginContext = argLoginContext;
| log.debug("processSSOLoginNotification() logonContext=" + this.loginContext);
|
| String[] attributes = this.loginContext.getAttributeNames();
|
decompiled LoginContext code
| public final class LoginContext
| implements Serializable
| {
|
| public LoginContext()
| {
| /* 41*/ contextMap = null;
| /* 67*/ contextMap = new HashMap();
| }
|
| public Object getAttribute(String name)
| {
| /* 78*/ return contextMap.get(name);
| }
|
| public void setAttribute(String name, Object value)
| {
| /* 89*/ contextMap.put(name, value);
| }
|
| public String[] getAttributeNames()
| {
| /* 99*/ return (String[])(String[])contextMap.keySet().toArray();
| }
|
| private Map contextMap;
| public static final String HTTP_REQUEST = "http_request";
| public static final String HTTP_RESPONSE = "http_response";
| public static final String SSO_USER = "jboss_sso_user";
| }
|
revised code with additional debugging
| public String[] getAttributeNames()
| {
| if (contextMap == null){
| log.debug("no attributes");
| return null;
| }
| else
| {
| log.debug("Attribute count=" + this.contextMap.size() + " keyset=" + contextMap.keySet());
| for (Object key:contextMap.keySet()) {
| log.debug("key=" + key + " value=" + this.contextMap.get(key) );
| }
|
| return (String[])this.contextMap.keySet().toArray();
| }
| }
|
|
log from revised code
| 2006-12-14 16:41:01,677 DEBUG [org.jboss.security.valve.PlainSSOAutoLogin] ssoLogin() started provider=si:njw-sso:njw:login
| 2006-12-14 16:41:01,708 DEBUG [com.njw.NWLoginProvider] getId() started - returning id="si:njw-sso:njw:login"
| 2006-12-14 16:41:01,708 DEBUG [org.jboss.security.valve.PlainSSOAutoLogin] ssoLogin() loginProvider=NWLoginProvider si:njw-sso:njw:login
| 2006-12-14 16:41:01,708 DEBUG [com.njw.NWLoginProvider] exists(username) started - username=kkkkkkkkkk
| 2006-12-14 16:41:01,708 DEBUG [org.jboss.security.valve.PlainSSOAutoLogin] ssoLogin() success=true
| 2006-12-14 16:41:01,708 DEBUG [org.jboss.security.idm.LoginContext] setAttribute name=http_request value=org.apache.catalina.connector.Request@bfccfc
| 2006-12-14 16:41:01,708 DEBUG [org.jboss.security.idm.LoginContext] setAttribute name=http_response value=org.apache.catalina.connector.Response@2ad6a0
| 2006-12-14 16:41:01,708 DEBUG [org.jboss.security.idm.LoginContext] setAttribute name=jboss_sso_user value=org.jboss.security.saml.SSOUser@70c242
| 2006-12-14 16:41:01,724 DEBUG [com.njw.NWLoginProvider] processSSOLoginNotification() logonContext=org.jboss.security.idm.LoginContext@e1b3b3
| 2006-12-14 16:41:01,724 DEBUG [org.jboss.security.idm.LoginContext] Attribute count=3 keyset=[http_request, jboss_sso_user, http_response]
| 2006-12-14 16:41:01,724 DEBUG [org.jboss.security.idm.LoginContext] key=http_request value=org.apache.catalina.connector.Request@bfccfc
| 2006-12-14 16:41:01,724 DEBUG [org.jboss.security.idm.LoginContext] key=jboss_sso_user value=org.jboss.security.saml.SSOUser@70c242
| 2006-12-14 16:41:01,724 DEBUG [org.jboss.security.idm.LoginContext] key=http_response value=org.apache.catalina.connector.Response@2ad6a0
| 2006-12-14 16:41:01,724 ERROR [STDERR] java.lang.ClassCastException: [Ljava.lang.Object;
| 2006-12-14 16:41:01,755 ERROR [STDERR] at org.jboss.security.idm.LoginContext.getAttributeNames(LoginContext.java:114)
|
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19 years, 5 months