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Chrome拡張でCORS対応

JavaScript

Posted at 2015-11-23

概要

Chrome拡張で以下の様なCORSのエラーが出たときの対応。

XMLHttpRequest cannot load https://twitter.com/. Origin chrome-extension://olimhkjfpndfhdopbneamnekfalckinc is not allowed by Access-Control-Allow-Origin

対応

permissionsに該当URLを追加する。

manifest.json

...
"permissions": [
  "*://*.twitter.com/*"
],
...

参考

Declare Permissions - Google Chrome
CORS Chrome Extension with manifest version 2 - Stack Overflow

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