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POWCF - ValidateUserNamePasswordCore() method in custom UserNameSecurityTokenAuthenticator not called
 

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  1. POWCF - ValidateUserNamePasswordCore() method in custom UserNameSecurityTokenAuthenticator not called
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    <p>I have defined an own <a href="http://msdn.microsoft.com/en-us/library/system.servicemodel.description.servicecredentials.aspx" rel="nofollow">ServiceCredentials</a> provider:</p> <pre><code>class PasswordServiceCredentials : ServiceCredentials { } </code></pre> <p>That provider generates a custom <a href="http://msdn.microsoft.com/en-us/library/system.identitymodel.selectors.securitytokenmanager.aspx" rel="nofollow">SecurityTokenManager</a> in <a href="http://msdn.microsoft.com/en-us/library/system.servicemodel.description.servicecredentials.createsecuritytokenmanager" rel="nofollow">CreateSecurityTokenManager()</a> method when I start my <a href="http://msdn.microsoft.com/en-us/library/system.servicemodel.servicehost.aspx" rel="nofollow">ServiceHost</a>:</p> <pre><code>public override SecurityTokenManager CreateSecurityTokenManager() { if (this.UserNameAuthentication.UserNamePasswordValidationMode == UserNamePasswordValidationMode.Custom) { return new PasswordSecurityTokenManager(this); } return base.CreateSecurityTokenManager(); } </code></pre> <p>The <em>PasswordSecurityTokenManager</em> class:</p> <pre><code>class PasswordSecurityTokenManager : ServiceCredentialsSecurityTokenManager { } </code></pre> <p>The instance generates a custom <a href="http://msdn.microsoft.com/en-us/library/system.identitymodel.selectors.securitytokenauthenticator.aspx" rel="nofollow">SecurityTokenAuthenticator</a> in <a href="http://msdn.microsoft.com/en-us/library/system.identitymodel.selectors.securitytokenmanager.createsecuritytokenauthenticator" rel="nofollow">CreateSecurityTokenAuthenticator()</a> method:</p> <pre><code>public override SecurityTokenAuthenticator CreateSecurityTokenAuthenticator(SecurityTokenRequirement tokenRequirement, out SecurityTokenResolver outOfBandTokenResolver) { outOfBandTokenResolver = null; return new PasswordSecurityTokenAuthenticator(this.ServiceCredentials .UserNameAuthentication .CustomUserNamePasswordValidator); } </code></pre> <p>The generated instance is a custom <a href="http://msdn.microsoft.com/en-us/library/system.identitymodel.selectors.customusernamesecuritytokenauthenticator.aspx" rel="nofollow">CustomUserNameSecurityTokenAuthenticator</a>.</p> <p><strong>The problem is</strong> that the overwritten <a href="http://msdn.microsoft.com/en-us/library/system.identitymodel.selectors.usernamesecuritytokenauthenticator.validateusernamepasswordcore.aspx" rel="nofollow">ValidateUserNamePasswordCore()</a> method is NOT CALLED at any time:</p> <pre><code>protected override ReadOnlyCollection&lt;IAuthorizationPolicy&gt; ValidateUserNamePasswordCore(String userName, String password) { ReadOnlyCollection&lt;IAuthorizationPolicy&gt; currentPolicies = base.ValidateUserNamePasswordCore(userName, password); List&lt;IAuthorizationPolicy&gt; newPolicies = new List&lt;IAuthorizationPolicy&gt;(); if (currentPolicies != null) { newPolicies.AddRange(currentPolicies.OfType&lt;IAuthorizationPolicy&gt;()); } newPolicies.Add(new PasswordAuthorizationPolicy(userName, password)); return newPolicies.AsReadOnly(); } </code></pre> <p>In my custom <a href="http://msdn.microsoft.com/en-us/library/system.identitymodel.policy.iauthorizationpolicy.aspx" rel="nofollow">IAuthorizationPolicy</a> provider <em>PasswordAuthorizationPolicy</em> I want to set a custom pricipal for the <a href="http://msdn.microsoft.com/en-us/library/system.identitymodel.policy.evaluationcontext.aspx" rel="nofollow">EvaluationContext</a> in <a href="http://msdn.microsoft.com/en-us/library/system.identitymodel.policy.iauthorizationpolicy.evaluate.aspx" rel="nofollow">Evaluate()</a> method.</p> <p>But if the upper method is not called, no additional IAuthorizationPolicy item can be defined.</p> <p>What wrong or missing here?</p> <p>I DO NOT use XML to configure my service, I do this 100% in C# code!</p> <p>EDIT: The code ist based on the following blog article: <a href="http://www.neovolve.com/post/2008/04/07/wcf-security-getting-the-password-of-the-user.aspx" rel="nofollow">http://www.neovolve.com/post/2008/04/07/wcf-security-getting-the-password-of-the-user.aspx</a></p>
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