SFO Museum-specific WebAssembly (WASM) binary wrapping the martinmroz/iata_bcbp (Rust) crate.
This is both a work-in-progress and a learning exercise to get familiar with Rust. Ideally the entirety of the martinmroz/iata_bcbp crate would be updated to expose WASM funtionality but this looks like it will be an involved project. In the meantime this exists. It does not return all of the data produced by the martinmroz/iata_bcbp crate but rather a list of truncated data for each leg of a flight.
The motivation for this package is to be able to extract basic flight data and non-personally-identifiable-information from the values encoded in the barcodes on boarding passes and to so locally in a web browser so that some reasonable assurances can be made about not snooping on or hoovering up or sending over the wire all that other personally-identifiable-information stored in those barcodes.
$> make wasm
wasm-pack build --target web
[INFO]: 🎯 Checking for the Wasm target...
[INFO]: 🌀 Compiling to Wasm...
Compiling rs-sfomuseum-bcbp v0.1.0 (/usr/local/sfomuseum/rs-bcbp-wasm)
Finished release [optimized] target(s) in 0.42s
[INFO]: ⬇️ Installing wasm-bindgen...
[INFO]: found wasm-opt at "/usr/local/bin/wasm-opt"
[INFO]: Optimizing wasm binaries with `wasm-opt`...
[INFO]: ✨ Done in 1.42s
[INFO]: 📦 Your wasm pkg is ready to publish at /usr/local/sfomuseum/rs-bcbp-wasm/pkg.
If you haven't already install the Rust-related WebAssembly dependencies they can be installed like this:
$> cargo install wasm-pack
$> rustup target add wasm32-unknown-unknown
There is a working example, including a build of the WASM binary, in the www folder. This is a plain vanilla web application but will require being served from a web server (rather than a file:// URL). I like to use aaronland/go-http-fileserver but that's mostly because I wrote it. Any old web server will do. For example:
$> ./bin/fileserver -root /path/to/rs-sfomuseum-bcbp/www/
2023/04/17 22:20:48 Listening on http://localhost:8080
And then if you open http://localhost:8080 in a browser, enter the string M1DESMARAIS/LUC EABC123 YULFRAAC 0834 326J001A0025 100 in to the text field and click the "scan" button you should see something like this:
