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Updated WebAgg JS to check and send request over wss if using HTTPS - #25039
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QuLogic
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I confirmed this worked with a Caddy reverse proxy.
ksunden
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Jan 25, 2023
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…uest over wss if using HTTPS
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…039-on-v3.7.x Backport PR #25039 on branch v3.7.x (Updated WebAgg JS to check and send request over wss if using HTTPS)
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PR Summary
Added a small change to the JavaScript for the WebAgg backend. The added JavaScript code will check the protocol and updated the websocket uri to
wss:ifhttps:is being used.This is to fix an issue with matplotlib running behind a reverse proxy that adds HTTPS and secure HTTP headers like HSTS. The connection to the insecure websocket i.e.
ws:is blocked by the browser with the message:PR Checklist
Documentation and Tests
Has pytest style unit tests (andN/Apytestpasses)Documentation is sphinx and numpydoc compliant (the docs should build without error).N/ANew plotting related features are documented with examples.N/ARelease Notes
New features are marked with aN/A.. versionadded::directive in the docstring and documented indoc/users/next_whats_new/API changes are marked with aN/A.. versionchanged::directive in the docstring and documented indoc/api/next_api_changes/Release notes conform with instructions inN/Anext_whats_new/README.rstornext_api_changes/README.rstNot sure whether or not I need to update any documentation, so please let me know if I do.
Thank you