In a real sense, that's exactly what is happening - Hamas has long been an Iranian proxy. In the event of an Israeli attack on Iran, there are two militias, trained and armed by Iran, on Israel's borders ready to retaliate (Hamas in Gaza, Hezbollah in Lebanon).
It's also possible that Hamas stepped up their rocket attacks to distract the world's attention from the conflict in Syria, another Iranian/Hamas ally.
That's not to excuse Israel's blockade of Gaza, or its continued expansion of settlements and repression of Palestinians in the West Bank.
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