SVGPublish: sample script to open ssh:// hyperlinks. Supposed to work with conjunctions with custom script on the client side. Please see starting-putty-from-an-exported-html-diagram for details

start-putty.js

diagram.selectionChanged.add(function(shapeId) {
    if (shapeId) {

        var shape = diagram.shapes[shapeId];
        if (shape) {
            var ip = shape.Props['IP Address'];

            if (ip) {
                var url = 'ssh://' + ip;

                // make a new link and click it
                $("<a>").attr("href", url)[0].click();
            }
        }
    }
});