URL parameters through logon page

Hi experts,
I've to add this new requirement to the logon page and I don't know what is the best choise.
The scenario is the following:
Some users with a generic portal user need access to the Portal without authentication. The solution was sending the authentication parameters (generic user + password + user addition data) encrypted and by post method. These parameters would be decrypted by the logon page and this would grant the access after an addition data validation. This works fine by post method (encryptation has not been developed yet) but I have a problem because the additional parameter is missed after log in. This parameter is used in some java WD applications in Portal.
When I pass all these parameters by get method, all works fine. User is authenticated correctly and the WD application gets the additional parameter. I don't know why it's missing with the post method. Also I've tried to pass the additional data by get and the authentication parameters by post method, but also it's not working. Maybe I need to add some custom code to pass this data parameter to the WD applications.
Does anybody know what could be the problem? Or if could I solve this scenario with another option? The anonymous authentication could be great but I need validate the additional data and hide the authtentication data and I don't know if this method is useful for this propose.
Thanks a lot in advance.

HI,
I am not clear about your requirement. But I think setting up the required iView for Anonymous user and named anonymous users
might help. Pl check
http://help.sap.com/saphelp_nw04s/helpdata/en/cd/1aad4abcb98c4597f9e395a6b62f43/frameset.htm
If your iView is a WD Iview then you can try two things. You can retrieve the parameters in WD using inbound plug
http://help.sap.com/saphelp_nw04s/helpdata/en/42/c813b3d9cd6bb7e10000000a1553f6/content.htm
or you can set the authentication of the wd application where it does not expect authentication
http://help.sap.com/saphelp_nw04s/helpdata/en/09/a4d6a674bc1d4a9e74abf81bed3ef6/content.htm
Srini

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hi Frank,
Thanks for the response. We followed your suggestion and managed to capture URL parameters in afterPhase(LifeCycle.PREPARE_MODEL) and save parameters to ViewScope.
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try {
FacesContext fc = FacesContext.getCurrentInstance();
ELContext elc = fc.getELContext();
ExpressionFactory ef = fc.getApplication().getExpressionFactory();
ValueExpression valExp = ef.createValueExpression(elc,"#{bindings.openMainTask}",Object.class);
JUCtrlActionBinding methodBinding = (JUCtrlActionBinding)valExp.getValue(elc);
Map params = methodBinding.getParamsMap();
params.put("label", "Some Title");
params.put("taskFlowId", taskflowId);
params.put("reuseInstance", true);
methodBinding.invoke();
} catch (Exception e) {
e.printStackTrace();
To prove that this method works, we create a UI button on the page (which binds this method in PageDef.xml), and associate this method to onclick event. At runtime after page is opened, clicking on the button does launch the taskflow on new tab successfully.
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Rajeev,
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Hi Scott,
Thank you again for the help.
But this didn't answer my question exactly. I have tested what you created and the problem remains. When I first time enter a value in the text field and press the button, it goes to page 2, but the parameter didn't parsed. When I go back to page 1 and then click the button again. After that I can see the value I parsed on page 2. Same thing happens when I try to enter a new value. So which means the button has to been pressed twice to parse the parameter.
Due to the limitation of my knowledge of Apex. I don't know how to fix it. Could you please help me again and hope you understand what the problem is. Thank you very much.
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so..
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actually
nevermind
i got it to work without even knowing :)
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quote:
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Put this JavaScript code in a separate .js file. I called mine utilities.js:
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URL parameters through logon page

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