| 1 | use super::{runtime_overrides_for_provider, xai_auth_diagnostics}; |
| 2 | use anyhow::{Context, Result, bail, ensure}; |
| 3 | use codewhale_config::{ |
| 4 | CliRuntimeOverrides, ConfigStore, ProviderKind, RuntimeApiKeySource, |
| 5 | auth_mode_uses_kimi_imported_token, |
| 6 | }; |
| 7 | use codewhale_secrets::Secrets; |
| 8 | use std::io::{ErrorKind, Write}; |
| 9 | use zeroize::Zeroizing; |
| 10 | |
| 11 | const TERMINAL_REFUSAL: &str = |
| 12 | "refusing terminal output; pipe credential handoff to the intended local client"; |
| 13 | |
| 14 | pub(crate) fn prepare_stdout(stdout_is_terminal: bool) -> Result<()> { |
| 15 | ensure!(!stdout_is_terminal, TERMINAL_REFUSAL); |
| 16 | #[cfg(unix)] |
| 17 | // SAFETY: this one-shot CLI exits before another command can inherit it. |
| 18 | unsafe { |
| 19 | let _ = libc::signal(libc::SIGPIPE, libc::SIG_IGN); |
| 20 | } |
| 21 | Ok(()) |
| 22 | } |
| 23 | |
| 24 | pub(crate) fn resolve_api_key( |
| 25 | store: &ConfigStore, |
| 26 | secrets: &Secrets, |
| 27 | provider: ProviderKind, |
| 28 | runtime_overrides: &CliRuntimeOverrides, |
| 29 | ) -> Result<String> { |
| 30 | let resolved = store.config.resolve_runtime_options_with_secrets( |
| 31 | &runtime_overrides_for_provider(runtime_overrides, provider), |
| 32 | secrets, |
| 33 | ); |
| 34 | if resolved.provider != provider { |
| 35 | bail!("resolved a different provider"); |
| 36 | } |
| 37 | let source = resolved.api_key_source; |
| 38 | if source != Some(RuntimeApiKeySource::Cli) { |
| 39 | if provider == ProviderKind::OpenaiCodex { |
| 40 | bail!("bearer credentials are not an API key"); |
| 41 | } |
| 42 | let uses_api_key = provider != ProviderKind::Xai |
| 43 | || xai_auth_diagnostics(store, runtime_overrides).evaluates_runtime_api_key(); |
| 44 | ensure!(uses_api_key, "OAuth bearer credentials are not an API key"); |
| 45 | let kimi_bearer = provider == ProviderKind::Moonshot |
| 46 | && resolved |
| 47 | .auth_mode |
| 48 | .as_deref() |
| 49 | .is_some_and(auth_mode_uses_kimi_imported_token); |
| 50 | ensure!(!kimi_bearer, "bearer credentials are not an API key"); |
| 51 | } |
| 52 | ensure!(source.is_some(), "no runtime-effective API key"); |
| 53 | resolved |
| 54 | .api_key |
| 55 | .filter(|value| !value.trim().is_empty()) |
| 56 | .context("no usable runtime-effective API key") |
| 57 | } |
| 58 | |
| 59 | pub(crate) fn handoff_secret_line( |
| 60 | writer: &mut impl Write, |
| 61 | stdout_is_terminal: bool, |
| 62 | resolve: impl FnOnce() -> Result<String>, |
| 63 | ) -> Result<()> { |
| 64 | prepare_stdout(stdout_is_terminal)?; |
| 65 | let secret = Zeroizing::new(resolve().map_err(|_| anyhow::anyhow!("unavailable credential"))?); |
| 66 | ensure!(!secret.trim().is_empty(), "credential handoff was empty"); |
| 67 | let written = writeln!(writer, "{}", secret.as_str()); |
| 68 | if written.is_ok() || written.is_err_and(|error| error.kind() == ErrorKind::BrokenPipe) { |
| 69 | return Ok(()); |
| 70 | } |
| 71 | bail!("credential handoff could not write to stdout") |
| 72 | } |
| 73 | #[cfg(test)] |
| 74 | mod tests; |
| 75 |