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<td class="text-paragraph-pattern-container mobile-resize-text " style="padding: 0px; border-collapse: collapse; padding: 0 0 10px 0"> <p style="margin: 10px 0 0 0; margin-top: 0">In HTTPPostSimpleSignEncoder#buildFormDataToSign:</p>
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<span class="code-object" style="color: #910091">String</span> msg = <span class="code-keyword" style="color: #000091">null</span>;
<span class="code-keyword" style="color: #000091">try</span> {
msg = <span class="code-keyword" style="color: #000091">new</span> <span class="code-object" style="color: #910091">String</span>(Base64Support.decode(msgB64), <span class="code-quote" style="color: #009100">"UTF-8"</span>);
} <span class="code-keyword" style="color: #000091">catch</span> (<span class="code-keyword" style="color: #000091">final</span> UnsupportedEncodingException e) {
<span class="code-comment" style="color: #808080">// All JVM's required to support UTF-8
</span> } <span class="code-keyword" style="color: #000091">catch</span> (<span class="code-keyword" style="color: #000091">final</span> DecodingException e) {
log.error(<span class="code-quote" style="color: #009100">"Could not base64 decode {}"</span>,isRequest ? <span class="code-quote" style="color: #009100">"SAMLRequest"</span> : <span class="code-quote" style="color: #009100">"SAMLResponse"</span>);
<span class="code-comment" style="color: #808080">//DO SOMETHING?
</span> }
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</div> <p style="margin: 10px 0 0 0">I can not see any obvious way the SAMLRequest or Response would be invalid in a way to throw a DecodingException - the msgB64 is controlled by the IdP and any null or invalid XML messages would fail before it got to the POST encoder. That said, if for whatever reason that did happen, is it better to fail here and throw an exception rather than have it generate a signature over a 'null' SAMLRequest or SAMLResponse msg? If so, should the method buildFormDataToSign be extended to throw a MessageEncodingException (which is compatible with the calling method), or should we use a runtime exception. </p> </td>
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