Allow not having a Port for RessourceURI if the Scheme has no Default Port.
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@ -555,7 +555,21 @@ permitsPort(const nsAString& aEnforcementScheme,
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int32_t resourcePort;
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nsresult rv = aResourceURI->GetPort(&resourcePort);
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NS_ENSURE_SUCCESS(rv, false);
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if (NS_FAILED(rv) && aEnforcementPort.IsEmpty()) {
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// If we cannot get a Port (e.g. because of an Custom Protocol handler)
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// we need to check if a default port is associated with the Scheme
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if (aEnforcementScheme.IsEmpty()) {
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return false;
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}
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int defaultPortforScheme =
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NS_GetDefaultPort(NS_ConvertUTF16toUTF8(aEnforcementScheme).get());
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// If there is no default port associated with the Scheme (
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// defaultPortforScheme == -1) or it is an externally handled protocol (
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// defaultPortforScheme == 0 ) and the csp does not enforce a port - we can
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// allow not having a port
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return (defaultPortforScheme == -1 || defaultPortforScheme == 0);
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}
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// Avoid unnecessary string creation/manipulation and don't block the
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// load if the resource to be loaded uses the default port for that
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