Files
llmx/codex-rs/core/src/default_client.rs
pakrym-oai c636f821ae Add a common way to create HTTP client (#3110)
Ensure User-Agent and originator are always sent.
2025-09-03 10:11:02 -07:00

107 lines
3.3 KiB
Rust

pub const DEFAULT_ORIGINATOR: &str = "codex_cli_rs";
pub fn get_codex_user_agent(originator: Option<&str>) -> String {
let build_version = env!("CARGO_PKG_VERSION");
let os_info = os_info::get();
format!(
"{}/{build_version} ({} {}; {}) {}",
originator.unwrap_or(DEFAULT_ORIGINATOR),
os_info.os_type(),
os_info.version(),
os_info.architecture().unwrap_or("unknown"),
crate::terminal::user_agent()
)
}
/// Create a reqwest client with default `originator` and `User-Agent` headers set.
pub fn create_client(originator: &str) -> reqwest::Client {
use reqwest::header::HeaderMap;
use reqwest::header::HeaderValue;
let mut headers = HeaderMap::new();
let originator_value = HeaderValue::from_str(originator)
.unwrap_or_else(|_| HeaderValue::from_static(DEFAULT_ORIGINATOR));
headers.insert("originator", originator_value);
let ua = get_codex_user_agent(Some(originator));
match reqwest::Client::builder()
// Set UA via dedicated helper to avoid header validation pitfalls
.user_agent(ua)
.default_headers(headers)
.build()
{
Ok(client) => client,
Err(_) => reqwest::Client::new(),
}
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn test_get_codex_user_agent() {
let user_agent = get_codex_user_agent(None);
assert!(user_agent.starts_with("codex_cli_rs/"));
}
#[tokio::test]
async fn test_create_client_sets_default_headers() {
use wiremock::Mock;
use wiremock::MockServer;
use wiremock::ResponseTemplate;
use wiremock::matchers::method;
use wiremock::matchers::path;
let originator = "test_originator";
let client = create_client(originator);
// Spin up a local mock server and capture a request.
let server = MockServer::start().await;
Mock::given(method("GET"))
.and(path("/"))
.respond_with(ResponseTemplate::new(200))
.mount(&server)
.await;
let resp = client
.get(server.uri())
.send()
.await
.expect("failed to send request");
assert!(resp.status().is_success());
let requests = server
.received_requests()
.await
.expect("failed to fetch received requests");
assert!(!requests.is_empty());
let headers = &requests[0].headers;
// originator header is set to the provided value
let originator_header = headers
.get("originator")
.expect("originator header missing");
assert_eq!(originator_header.to_str().unwrap(), originator);
// User-Agent matches the computed Codex UA for that originator
let expected_ua = get_codex_user_agent(Some(originator));
let ua_header = headers
.get("user-agent")
.expect("user-agent header missing");
assert_eq!(ua_header.to_str().unwrap(), expected_ua);
}
#[test]
#[cfg(target_os = "macos")]
fn test_macos() {
use regex_lite::Regex;
let user_agent = get_codex_user_agent(None);
let re = Regex::new(
r"^codex_cli_rs/\d+\.\d+\.\d+ \(Mac OS \d+\.\d+\.\d+; (x86_64|arm64)\) (\S+)$",
)
.unwrap();
assert!(re.is_match(&user_agent));
}
}