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https://github.com/mastodon/mastodon.git
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9eb30dfb1c
Summary:
-------
This commit correctly sanitizes incoming MathML according to [FEP-dc88].
Instead of completely removing MathML nodes, it replaces them with their
LaTeX or plain-text representation, so that the mathematics can be read
in some form by mastodon users.
Test Plan:
----------
```
$ RAILS_ENV=test bundle exec rspec spec/lib/sanitize_config_spec.rb -f d
Run options: exclude {:type=>#<Proc: ./spec/rails_helper.rb:79>}
Randomized with seed 58854
Sanitize::Config
::MASTODON_STRICT
sanitizes math blocks to LaTeX
converts h1 to p strong
removes "translate" attribute with invalid value
removes a without href
removes a without href and only keeps text content
math sanitizer falls back to plaintext
keeps ul
prefers latex
removes a with unparsable href
keeps start and reversed attributes of ol
removes a with unsupported scheme in href
keeps a with translate="no"
keeps a with href
keeps a with supported scheme and no host
does not re-interpret HTML when removing unsupported links
sanitizes math to LaTeX
Finished in 0.17323 seconds (files took 3.28 seconds to load)
16 examples, 0 failures
Randomized with seed 58854
```
observed 100% code coverage of `lib/sanitize_ext/sanitize_config.rb`.
Ran mastodon locally, and fetched [reference post][nyancat] and observed
that math was converted to plaintext form (and was not missing).
[FEP-dc88]: https://codeberg.org/fediverse/fep/src/branch/main/fep/dc88/fep-dc88.md
[tracking]: https://codeberg.org/fediverse/fep/issues/161
[socialhub]: https://socialhub.activitypub.rocks/t/fep-dc88-formatting-mathematics/3564
[nyancat]: https://nyan.network/notice/Aa4IvnBVHysWswRX1s
Related Discussion:
-------------------
Please see [FEP-dc88], the [FEP tracking issue][tracking] and
[FEP forum discussion][socialhub] for more information.
Fixes mastodon/mastodon#26943
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| chewy | ||
| config/initializers/rack | ||
| controllers | ||
| fabrication | ||
| fabricators | ||
| features | ||
| fixtures | ||
| generators | ||
| helpers | ||
| lib | ||
| locales | ||
| mailers | ||
| models | ||
| policies | ||
| presenters | ||
| requests | ||
| routing | ||
| search/models/concerns/account | ||
| serializers | ||
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| support | ||
| system | ||
| validators | ||
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| workers | ||
| rails_helper.rb | ||
| spec_helper.rb | ||