coproxy 0.6.1

OpenAI-compatible API proxy backed by GitHub Copilot
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28

use crate::openai::error::ApiError;
use axum::http::HeaderMap;

pub fn authorize(headers: &HeaderMap, expected_api_key: Option<&str>) -> Result<(), ApiError> {
    let Some(expected) = expected_api_key else {
        return Ok(());
    };

    let auth = headers
        .get(axum::http::header::AUTHORIZATION)
        .and_then(|value| value.to_str().ok())
        .ok_or_else(|| {
            tracing::warn!(reason = "missing", "auth rejected");
            ApiError::unauthorized("missing Authorization header")
        })?;

    let provided = auth.strip_prefix("Bearer ").ok_or_else(|| {
        tracing::warn!(reason = "expected_bearer", "auth rejected");
        ApiError::unauthorized("expected Bearer token")
    })?;

    if provided != expected {
        tracing::warn!(reason = "invalid", "auth rejected");
        return Err(ApiError::unauthorized("invalid API key"));
    }

    Ok(())
}