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README.md

Yumechi-no-kuni-proxy-worker

This is a misskey proxy worker for　ゆめちのくに (Yumechi-no-kuni) instance. Runs natively on both local and Cloudflare Workers environments!

Work in progress! Currently to do:

  • Content-Type sniffing
  • SVG rendering
    • Font rendering (likely will not run on Cloudflare Workers Free plan)
  • Preset image resizing
  • Opportunistic Redirection on large video files
  • RFC9110 compliant proxy loop detection with defensive programming against known vulnerable proxies
  • HTTPs only mode and X-Forwarded-Proto reflection
  • Cache-Control header
  • Rate-limiting on local deployment (untested)
  • Read config from Cloudflare
  • Timing and Rate-limiting headers (some not available on Cloudflare Workers)
  • Handle all possible panics reported by Clippy
  • Sandboxing the image rendering

Demo

Avatar resizing

Preview at:

https://yumechi-no-kuni-proxy-worker.eternal-flame-ad.workers.dev/proxy/avatar.webp?url=https://media.misskeyusercontent.com/io/274cc4f7-4674-4db1-9439-9fac08a66aa1.png

Image:

Syuilo Avatar resived.png

SVG rendering

(font rendering disabled due to size restrictions)

https://yumechi-no-kuni-proxy-worker.eternal-flame-ad.workers.dev/proxy/static.webp?url=https://upload.wikimedia.org/wikipedia/commons/a/ad/AES-AddRoundKey.svg

AES-AddRoundKey.svg

Setup and Deployment

  1. Clone this repository. Load the submodules with git submodule update --init.

  2. Install Rust and Cargo, using rustup is recommended. If you do not plan on deploying to Cloudflare Workers, you can remove the rust-toolchain file intended to get around cloudflare/worker-rs#668. Otherwise you may need to install that specific version of Rust by rustup install install $(cat rust-toolchain).

  3. IF deploying locally:

    1. Edit local.toml to your liking. The documentations can be opened with cargo doc --open.

    2. Test run with cargo run --features env-local -- -c local.toml.

    3. Build with cargo build --features env-local --profile release-local. The built binary will be in target/release-local/yumechi-no-kuni-proxy-worker.

    4. The only flag understood is -c for the configuration file. The configuration file is in TOML format. However, the RUST_LOG environment variable will change the log level. The log level is info by default if the environment variable is not set.

    IF deploying to Cloudflare Workers:

    1. Add the wasm target with rustup +$(cat rust-toolchain) target add wasm32-unknown-unknown.

    2. Have a working JS environment.

    3. Install wrangler with you JS package manager of choice. See https://developers.cloudflare.com/workers/wrangler/install-and-update/. npx also works.

    4. Edit wrangler.toml to your liking. Everything in the [vars] section maps directly into the config section of the TOML configuration file.

    5. Test locally with wrangler dev.

    6. Deploy with wrangler deploy --outdir bundled/.