Preserve chrome extension id during development
I'm trying to test a chrome extension on different machines and I've seen the extension ID change every time as I load it as an unpacked extension.
But I really need to maintain the same extension ID. My extension is distributed via OAuth 2.0 with an external provider other than Google. When I registered the extension with an external provider, I provided the redirect URI in the form
chrome-extension://<extension-id>/callback.html
If I download the unpacked extension again, the ID changes and my app no longer works with the redirect URI change. It is almost impossible to keep changing the redirect URI. How do I keep the same ID?
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You need to set a key in your manifest file based on the generated pem file.
Here is the instruction to get the pem here: https://developer.chrome.com/extensions/packaging
And there is more details about the key field here: https://developer.chrome.com/extensions/manifest/key
Make sure you save the pem file after creating it! It can never be generated again and you will have to republish your application to get a new one.
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