Use unique iframe names based on unique domain#2955
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jridgewell merged 3 commits intoampproject:masterfrom Apr 21, 2016
Merged
Use unique iframe names based on unique domain#2955jridgewell merged 3 commits intoampproject:masterfrom
jridgewell merged 3 commits intoampproject:masterfrom
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Browsers are weird. If an iframe has a `name` attribute, it’s window will be cached. When you click a link, then go back, it will insert the **same** src window into the iframe regardless of a different `src`. Well, that hurts us since we generate a unique domain to load 3p frames. We’ll continue to use an old domain’s window, even though the src points to a new domain. Worse, when we post messages to the 3p frame, we will send it with an origin parsed from the `src` attribute even though that is not the real URL of the frame’s window. Fixes ampproject#2943
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Thanks! Please add a test. |
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Added. |
test/functional/test-3p-frame.js
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It'd be really good to hard code the actual name string in a test.
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test/functional/test-3p-frame.js
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LGTM |
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Browsers are weird. If an iframe has a
nameattribute, it’s windowwill be cached. When you click a link, then go back, it will insert the
same src window into the iframe regardless of a different
src.Well, that hurts us since we generate a unique domain to load 3p
frames. We’ll continue to use an old domain’s window, even though the
src points to a new domain. Worse, when we post messages to the 3p
frame, we will send it with an origin parsed from the
srcattributeeven though that is not the real URL of the frame’s window.
Fixes #2943.