deno/cli/npm/common.rs
Marvin Hagemeister 5389972ba5
fix(npm): match npm bearer token generation (#26544)
Spend some time stepping through the npm client code and noticed that
the bearer token was different from ours. They do some double encoding
and @dsherret helped me in matching the encoding behavior.

Fixes https://github.com/denoland/deno/issues/26033
2024-10-28 12:08:51 +01:00

60 lines
1.9 KiB
Rust

// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
use base64::prelude::BASE64_STANDARD;
use base64::Engine;
use deno_core::anyhow::bail;
use deno_core::anyhow::Context;
use deno_core::error::AnyError;
use deno_npm::npm_rc::RegistryConfig;
use http::header;
// TODO(bartlomieju): support more auth methods besides token and basic auth
pub fn maybe_auth_header_for_npm_registry(
registry_config: &RegistryConfig,
) -> Result<Option<(header::HeaderName, header::HeaderValue)>, AnyError> {
if let Some(token) = registry_config.auth_token.as_ref() {
return Ok(Some((
header::AUTHORIZATION,
header::HeaderValue::from_str(&format!("Bearer {}", token)).unwrap(),
)));
}
if let Some(auth) = registry_config.auth.as_ref() {
return Ok(Some((
header::AUTHORIZATION,
header::HeaderValue::from_str(&format!("Basic {}", auth)).unwrap(),
)));
}
let (username, password) = (
registry_config.username.as_ref(),
registry_config.password.as_ref(),
);
if (username.is_some() && password.is_none())
|| (username.is_none() && password.is_some())
{
bail!("Both the username and password must be provided for basic auth")
}
if username.is_some() && password.is_some() {
// The npm client does some double encoding when generating the
// bearer token value, see
// https://github.com/npm/cli/blob/780afc50e3a345feb1871a28e33fa48235bc3bd5/workspaces/config/lib/index.js#L846-L851
let pw_base64 = BASE64_STANDARD
.decode(password.unwrap())
.with_context(|| "The password in npmrc is an invalid base64 string")?;
let bearer = BASE64_STANDARD.encode(format!(
"{}:{}",
username.unwrap(),
String::from_utf8_lossy(&pw_base64)
));
return Ok(Some((
header::AUTHORIZATION,
header::HeaderValue::from_str(&format!("Basic {}", bearer)).unwrap(),
)));
}
Ok(None)
}