| //! Adds functionality for retrieving crate files from a remote registry |
| |
| use crate::Error; |
| |
| /// Wrapper around a [`reqwest::blocking::Client`] to condition it correctly |
| /// for making requests to a remote registry |
| #[derive(Clone)] |
| pub struct Client { |
| inner: reqwest::blocking::Client, |
| } |
| |
| impl Client { |
| /// Creates a client from the specified builder |
| pub fn build(builder: reqwest::blocking::ClientBuilder) -> Result<Self, Error> { |
| // Crates are _usually_ just stored as content-type: application/gzip |
| // without a content-encoding, but _just in case_ we disable gzip so that |
| // they aren't automatically decompressed by reqwest, screwing up the |
| // checksum computation |
| let inner = builder.no_gzip().build()?; |
| Ok(Self { inner }) |
| } |
| } |
| |
| impl<'iv> super::ValidKrate<'iv> { |
| /// Downloads and validates a .crate from the specified index |
| pub fn download( |
| client: &Client, |
| config: &crate::index::IndexConfig, |
| version: &'iv crate::IndexVersion, |
| ) -> Result<Self, Error> { |
| let url = config.download_url( |
| version.name.as_str().try_into()?, |
| &version.version.to_string(), |
| ); |
| |
| let res = client.inner.get(url).send()?.error_for_status()?; |
| let body = res.bytes()?; |
| Self::validate(body, version) |
| } |
| } |
