rig-core 0.36.0

An opinionated library for building LLM powered applications.
Documentation 
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//! Shared ChatGPT authentication types and target-specific dispatch.

use std::fmt;
use std::path::PathBuf;
use std::sync::Arc;
use tokio::sync::Mutex;

#[cfg(not(target_family = "wasm"))]
mod native;
#[cfg(target_family = "wasm")]
mod wasm;

#[cfg(not(target_family = "wasm"))]
use native as platform;
#[cfg(target_family = "wasm")]
use wasm as platform;

#[derive(Debug, Clone)]
pub struct DeviceCodePrompt {
    pub verification_uri: String,
    pub user_code: String,
}

#[derive(Clone, Default)]
pub struct DeviceCodeHandler(Option<Arc<dyn Fn(DeviceCodePrompt) + Send + Sync>>);

impl DeviceCodeHandler {
    pub fn new<F>(handler: F) -> Self
    where
        F: Fn(DeviceCodePrompt) + Send + Sync + 'static,
    {
        Self(Some(Arc::new(handler)))
    }
}

impl fmt::Debug for DeviceCodeHandler {
    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
        if self.0.is_some() {
            f.write_str("DeviceCodeHandler(<callback>)")
        } else {
            f.write_str("DeviceCodeHandler(None)")
        }
    }
}

#[derive(Clone)]
pub enum AuthSource {
    AccessToken {
        access_token: String,
        account_id: Option<String>,
    },
    OAuth,
}

impl fmt::Debug for AuthSource {
    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
        match self {
            Self::AccessToken { .. } => f.write_str("AccessToken(<redacted>)"),
            Self::OAuth => f.write_str("OAuth"),
        }
    }
}

#[derive(Clone)]
pub struct Authenticator {
    source: AuthSource,
    platform: platform::PlatformAuthenticator,
    state_lock: Arc<Mutex<()>>,
}

impl fmt::Debug for Authenticator {
    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
        f.debug_struct("Authenticator")
            .field("source", &self.source)
            .field("platform", &self.platform)
            .finish()
    }
}

#[derive(Debug, thiserror::Error)]
pub enum AuthError {
    #[error("{0}")]
    Message(String),
    #[error(transparent)]
    Io(#[from] std::io::Error),
    #[error(transparent)]
    Json(#[from] serde_json::Error),
    #[error(transparent)]
    Http(#[from] reqwest::Error),
}

#[derive(Debug, Clone)]
pub struct AuthContext {
    pub access_token: String,
    pub account_id: Option<String>,
}

impl Authenticator {
    pub fn new(
        source: AuthSource,
        auth_file: Option<PathBuf>,
        device_code_handler: DeviceCodeHandler,
    ) -> Self {
        Self {
            source,
            platform: platform::PlatformAuthenticator::new(auth_file, device_code_handler),
            state_lock: Arc::new(Mutex::new(())),
        }
    }

    pub async fn auth_context(&self) -> Result<AuthContext, AuthError> {
        match &self.source {
            AuthSource::AccessToken {
                access_token,
                account_id,
            } => Ok(AuthContext {
                access_token: access_token.clone(),
                account_id: account_id.clone(),
            }),
            AuthSource::OAuth => {
                let _guard = self.state_lock.lock().await;
                self.platform.auth_context_oauth().await
            }
        }
    }
}