mirror of
https://github.com/fawney19/Aether.git
synced 2026-10-04 16:37:46 +08:00
1061 lines
37 KiB
Rust
1061 lines
37 KiB
Rust
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//! Candidate planning and provider request shaping for Codex Live.
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//!
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//! Live has its own endpoint and permission surface. Candidate selection,
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//! model aliases and transport policy are shared with the ordinary scheduler,
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//! but Responses body normalization and its WebSocket state machine never see
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//! a Live protocol frame.
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use std::net::SocketAddr;
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use std::sync::atomic::{AtomicBool, Ordering};
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use std::sync::Arc;
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use std::time::Duration;
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use axum::http::header::{AUTHORIZATION, CONNECTION, CONTENT_TYPE, COOKIE, UPGRADE};
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use axum::http::{HeaderMap, HeaderName, HeaderValue, Method};
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use serde_json::json;
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use sha2::{Digest, Sha256};
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use url::{form_urlencoded, Url};
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use crate::ai_serving::{
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build_standard_stream_plan_from_decision,
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maybe_build_pinned_stream_local_same_format_provider_decision_payload, AiExecutionDecision,
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AiStreamAttempt, ResponsesWebSocketPinnedCandidate,
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};
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use crate::control::GatewayControlDecision;
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use crate::headers::request_origin_from_headers_and_remote_addr;
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use crate::privacy::RedactionSessionSlot;
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use crate::{AppState, GatewayError};
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use super::protocol::{validate_model, LiveProtocolError};
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pub(super) const LIVE_ALPHA_HEADER_VALUE: &str = "quicksilver=v2";
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const CHATGPT_ACCOUNT_ID_HEADER: &str = "chatgpt-account-id";
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const CHATGPT_FEDRAMP_HEADER: &str = "x-openai-fedramp";
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const CHATGPT_SESSION_ID_HEADER: &str = "x-session-id";
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const OFFICIAL_CHATGPT_HOST: &str = "chatgpt.com";
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const LIVE_ROUTING_FINGERPRINT_DOMAIN: &[u8] = b"aether-codex-live-routing-v1";
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const MAX_LIVE_MODEL_BYTES: usize = 256;
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#[derive(Debug, Clone, Copy, PartialEq, Eq, serde::Serialize, serde::Deserialize)]
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#[serde(rename_all = "snake_case")]
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pub(super) enum LiveAuthMode {
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ApiKey,
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ChatGptOauth,
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}
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#[derive(Debug)]
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pub(super) struct PlannedLiveCandidate {
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pub(super) execution: AiExecutionDecision,
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pub(super) pinned_candidate: ResponsesWebSocketPinnedCandidate,
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pub(super) client_model: String,
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pub(super) provider_model: String,
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pub(super) auth_mode: LiveAuthMode,
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/// Domain-separated digest of the stable upstream auth/account/origin
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/// identity. It deliberately excludes bearer tokens so an OAuth refresh
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/// does not invalidate an in-flight WebRTC call.
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pub(super) routing_fingerprint: String,
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}
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/// Cancellation-safe owner for the scheduler's distributed pool-key lease.
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/// Live does not enter the ordinary HTTP/Responses attempt lifecycle, so it
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/// must hold and release the lease explicitly for the call or socket lifetime.
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pub(super) struct LivePoolLeaseGuard {
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state: AppState,
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report_context: Option<serde_json::Value>,
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renewal_task: Option<tokio::task::JoinHandle<()>>,
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healthy: Arc<AtomicBool>,
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armed: bool,
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}
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impl LivePoolLeaseGuard {
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pub(super) fn new(state: &AppState, candidate: &PlannedLiveCandidate) -> Self {
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let report_context = candidate.execution.report_context.clone();
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let lease = crate::orchestration::local_execution_candidate_metadata_from_report_context(
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report_context.as_ref(),
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)
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.pool_key_lease;
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let healthy = Arc::new(AtomicBool::new(true));
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let renewal_task = lease.map(|lease| {
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let runtime_state = Arc::clone(&state.runtime_state);
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let healthy = Arc::clone(&healthy);
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tokio::spawn(async move {
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let ttl = Duration::from_millis(lease.ttl_ms);
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let interval = Duration::from_millis((lease.ttl_ms / 3).max(1));
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loop {
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tokio::time::sleep(interval).await;
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match runtime_state.lock_renew(&lease, ttl).await {
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Ok(true) => {}
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Ok(false) | Err(_) => {
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healthy.store(false, Ordering::Release);
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return;
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}
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}
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}
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})
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});
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Self {
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state: state.clone(),
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report_context,
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renewal_task,
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healthy,
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armed: true,
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}
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}
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pub(super) fn is_healthy(&self) -> bool {
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self.healthy.load(Ordering::Acquire)
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}
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pub(super) async fn release(mut self) {
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if let Some(task) = self.renewal_task.take() {
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task.abort();
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}
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crate::orchestration::release_pool_key_lease_from_report_context(
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&self.state,
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self.report_context.as_ref(),
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)
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.await;
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self.armed = false;
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}
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}
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impl Drop for LivePoolLeaseGuard {
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fn drop(&mut self) {
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if let Some(task) = self.renewal_task.take() {
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task.abort();
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}
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if !self.armed {
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return;
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}
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let state = self.state.clone();
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let report_context = self.report_context.take();
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if let Ok(runtime) = tokio::runtime::Handle::try_current() {
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runtime.spawn(async move {
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crate::orchestration::release_pool_key_lease_from_report_context(
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&state,
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report_context.as_ref(),
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)
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.await;
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});
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}
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}
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}
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pub(super) async fn plan_live_candidate(
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state: &AppState,
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trace_id: &str,
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decision: &GatewayControlDecision,
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headers: &HeaderMap,
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remote_addr: &SocketAddr,
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client_model: &str,
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pinned_candidate: Option<&ResponsesWebSocketPinnedCandidate>,
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) -> Result<Option<PlannedLiveCandidate>, GatewayError> {
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if validate_model(client_model).is_err() || client_model.len() > MAX_LIVE_MODEL_BYTES {
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return Ok(None);
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}
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let parts = build_live_planning_parts(headers, remote_addr);
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let body = json!({"model": client_model, "input": []});
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let execution = maybe_build_pinned_stream_local_same_format_provider_decision_payload(
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state,
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&parts,
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trace_id,
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decision,
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&body,
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crate::ai_serving::CODEX_LIVE_STREAM_PLAN_KIND,
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pinned_candidate
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.map(|pinned| (pinned.provider_id(), pinned.endpoint_id(), pinned.key_id())),
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)
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.await?;
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let Some(mut execution) = execution else {
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return Ok(None);
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};
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if execution
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.provider_api_format
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.as_deref()
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.map(crate::ai_serving::normalize_api_format_alias)
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.as_deref()
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!= Some("codex:live")
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{
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crate::orchestration::release_pool_key_lease_from_report_context(
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state,
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execution.report_context.as_ref(),
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)
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.await;
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return Ok(None);
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}
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let Some(effective_auth_type) = execution
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.report_context
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.as_ref()
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.and_then(|context| context.get("upstream_credential_mode"))
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.and_then(serde_json::Value::as_str)
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.map(str::trim)
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.filter(|value| !value.is_empty())
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.map(str::to_string)
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else {
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crate::orchestration::release_pool_key_lease_from_report_context(
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state,
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execution.report_context.as_ref(),
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)
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.await;
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return Ok(None);
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};
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let provider_type = execution
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.provider_type
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.as_deref()
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.map(str::trim)
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.unwrap_or_default();
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if !matches!(
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provider_type.to_ascii_lowercase().as_str(),
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"codex" | "openai" | "custom"
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) {
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crate::orchestration::release_pool_key_lease_from_report_context(
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state,
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execution.report_context.as_ref(),
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)
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.await;
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return Ok(None);
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}
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let Some(pinned_candidate) = ResponsesWebSocketPinnedCandidate::from_decision(&execution)
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else {
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crate::orchestration::release_pool_key_lease_from_report_context(
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state,
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execution.report_context.as_ref(),
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)
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.await;
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return Ok(None);
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};
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let provider_model = execution
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.mapped_model
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.as_deref()
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.or(execution.model_name.as_deref())
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.map(str::trim)
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.filter(|model| validate_model(model).is_ok())
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.map(str::to_string);
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let Some(provider_model) = provider_model else {
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crate::orchestration::release_pool_key_lease_from_report_context(
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state,
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execution.report_context.as_ref(),
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)
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.await;
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return Ok(None);
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};
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let Some(auth_mode) = live_auth_mode(provider_type, effective_auth_type.as_str()) else {
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crate::orchestration::release_pool_key_lease_from_report_context(
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state,
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execution.report_context.as_ref(),
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)
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.await;
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return Ok(None);
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};
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apply_live_headers(&mut execution.provider_request_headers, trace_id);
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let routing_fingerprint =
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match live_routing_fingerprint(&execution, effective_auth_type.as_str(), auth_mode) {
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Ok(fingerprint) => fingerprint,
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Err(_) => {
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crate::orchestration::release_pool_key_lease_from_report_context(
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state,
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execution.report_context.as_ref(),
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)
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.await;
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return Ok(None);
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}
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};
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Ok(Some(PlannedLiveCandidate {
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execution,
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pinned_candidate,
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client_model: client_model.to_string(),
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provider_model,
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auth_mode,
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routing_fingerprint,
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}))
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}
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pub(super) fn direct_live_websocket_url(
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candidate: &PlannedLiveCandidate,
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) -> Result<String, LiveProtocolError> {
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if candidate.auth_mode == LiveAuthMode::ChatGptOauth {
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return Err(LiveProtocolError::OauthDirectWebSocketUnsupported);
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}
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replace_live_suffix(
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candidate.execution.upstream_url.as_deref(),
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&["live"],
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Some(("model", candidate.provider_model.as_str())),
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)
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}
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pub(super) fn live_call_url(candidate: &PlannedLiveCandidate) -> Result<String, LiveProtocolError> {
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match candidate.auth_mode {
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LiveAuthMode::ApiKey => {
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replace_live_suffix(candidate.execution.upstream_url.as_deref(), &["live"], None)
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}
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LiveAuthMode::ChatGptOauth => {
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let source =
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validated_official_chatgpt_url(candidate.execution.upstream_url.as_deref())?;
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replace_live_suffix(
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Some(source.as_str()),
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|
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&["realtime", "calls"],
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Some(("intent", "quicksilver")),
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)
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}
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.and_then(|raw| {
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let mut url =
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Url::parse(raw.as_str()).map_err(|_| LiveProtocolError::InvalidUpstreamUrl)?;
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replace_url_query_pair(&mut url, "architecture", "avas");
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|
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Ok(url.to_string())
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||
|
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}),
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||
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}
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}
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|
|
|
||
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pub(super) fn live_sideband_url(
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|
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candidate: &PlannedLiveCandidate,
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|
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call_id: &str,
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||
|
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) -> Result<String, LiveProtocolError> {
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|
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super::protocol::validate_call_id(call_id)?;
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|
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match candidate.auth_mode {
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||
|
|
LiveAuthMode::ApiKey => replace_live_suffix(
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|
|
candidate.execution.upstream_url.as_deref(),
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||
|
|
&["live", call_id],
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||
|
|
None,
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||
|
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),
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||
|
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// The Codex ChatGPT call creation endpoint returns an OpenAI Realtime
|
||
|
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// call ID. Current Codex connects its sideband to this API origin even
|
||
|
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// when call creation used the ChatGPT OAuth backend.
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||
|
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LiveAuthMode::ChatGptOauth => {
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||
|
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validated_official_chatgpt_url(candidate.execution.upstream_url.as_deref())?;
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|
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Ok(format!("https://api.openai.com/v1/live/{call_id}"))
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||
|
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}
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||
|
|
}
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||
|
|
}
|
||
|
|
|
||
|
|
pub(super) fn apply_live_headers(
|
||
|
|
headers: &mut std::collections::BTreeMap<String, String>,
|
||
|
|
seed: &str,
|
||
|
|
) {
|
||
|
|
replace_header(headers, "openai-alpha", LIVE_ALPHA_HEADER_VALUE);
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||
|
|
let session_id = find_header(headers, "x-session-id")
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||
|
|
.or_else(|| find_header(headers, "thread-id"))
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||
|
|
.or_else(|| find_header(headers, "session-id"))
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||
|
|
.map(str::to_string)
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||
|
|
.filter(|value| !value.trim().is_empty())
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||
|
|
.unwrap_or_else(|| seed.to_string());
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||
|
|
replace_header(headers, "x-session-id", session_id.as_str());
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||
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|
}
|
||
|
|
|
||
|
|
pub(super) fn build_live_stream_admission_attempt(
|
||
|
|
candidate: &PlannedLiveCandidate,
|
||
|
|
headers: &HeaderMap,
|
||
|
|
remote_addr: &SocketAddr,
|
||
|
|
upstream_url: String,
|
||
|
|
) -> Result<Option<AiStreamAttempt>, GatewayError> {
|
||
|
|
let parts = build_live_planning_parts(headers, remote_addr);
|
||
|
|
let body = json!({"model": candidate.client_model.as_str(), "input": []});
|
||
|
|
let mut execution = candidate.execution.clone();
|
||
|
|
execution.upstream_url = Some(upstream_url);
|
||
|
|
execution.upstream_is_stream = true;
|
||
|
|
build_standard_stream_plan_from_decision(&parts, &body, execution, false)
|
||
|
|
}
|
||
|
|
|
||
|
|
fn live_auth_mode(provider_type: &str, effective_auth_type: &str) -> Option<LiveAuthMode> {
|
||
|
|
match effective_auth_type.trim().to_ascii_lowercase().as_str() {
|
||
|
|
"api_key" | "bearer" => Some(LiveAuthMode::ApiKey),
|
||
|
|
"oauth" if provider_type.eq_ignore_ascii_case("codex") => Some(LiveAuthMode::ChatGptOauth),
|
||
|
|
_ => None,
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
fn live_routing_fingerprint(
|
||
|
|
decision: &AiExecutionDecision,
|
||
|
|
effective_auth_type: &str,
|
||
|
|
auth_mode: LiveAuthMode,
|
||
|
|
) -> Result<String, LiveProtocolError> {
|
||
|
|
let raw_url = decision
|
||
|
|
.upstream_url
|
||
|
|
.as_deref()
|
||
|
|
.ok_or(LiveProtocolError::MissingUpstreamUrl)?;
|
||
|
|
let url = Url::parse(raw_url).map_err(|_| LiveProtocolError::InvalidUpstreamUrl)?;
|
||
|
|
if url.host_str().is_none()
|
||
|
|
|| !url.username().is_empty()
|
||
|
|
|| url.password().is_some()
|
||
|
|
|| url.fragment().is_some()
|
||
|
|
{
|
||
|
|
return Err(LiveProtocolError::InvalidUpstreamUrl);
|
||
|
|
}
|
||
|
|
let path = url.path().trim_end_matches('/');
|
||
|
|
let path_family = path
|
||
|
|
.strip_suffix("/live")
|
||
|
|
.ok_or(LiveProtocolError::InvalidUpstreamUrl)?;
|
||
|
|
if auth_mode == LiveAuthMode::ChatGptOauth {
|
||
|
|
validated_official_chatgpt_url(Some(raw_url))?;
|
||
|
|
}
|
||
|
|
|
||
|
|
let mut hasher = Sha256::new();
|
||
|
|
hasher.update(LIVE_ROUTING_FINGERPRINT_DOMAIN);
|
||
|
|
hasher.update([0]);
|
||
|
|
for value in [
|
||
|
|
effective_auth_type.trim(),
|
||
|
|
url.scheme(),
|
||
|
|
url.host_str().unwrap_or_default(),
|
||
|
|
path_family,
|
||
|
|
] {
|
||
|
|
hasher.update(value.as_bytes());
|
||
|
|
hasher.update([0]);
|
||
|
|
}
|
||
|
|
hasher.update(
|
||
|
|
url.port_or_known_default()
|
||
|
|
.unwrap_or_default()
|
||
|
|
.to_be_bytes(),
|
||
|
|
);
|
||
|
|
hasher.update([0]);
|
||
|
|
hasher.update(canonical_live_route_query(&url).as_bytes());
|
||
|
|
hasher.update([0]);
|
||
|
|
|
||
|
|
let session_id = find_header(
|
||
|
|
&decision.provider_request_headers,
|
||
|
|
CHATGPT_SESSION_ID_HEADER,
|
||
|
|
)
|
||
|
|
.map(str::trim)
|
||
|
|
.filter(|value| !value.is_empty())
|
||
|
|
.ok_or(LiveProtocolError::InvalidUpstreamUrl)?;
|
||
|
|
hasher.update(session_id.as_bytes());
|
||
|
|
hasher.update([0]);
|
||
|
|
|
||
|
|
if auth_mode == LiveAuthMode::ChatGptOauth {
|
||
|
|
for (name, required) in [
|
||
|
|
(CHATGPT_ACCOUNT_ID_HEADER, true),
|
||
|
|
(CHATGPT_FEDRAMP_HEADER, false),
|
||
|
|
] {
|
||
|
|
let value = find_header(&decision.provider_request_headers, name)
|
||
|
|
.map(str::trim)
|
||
|
|
.filter(|value| !value.is_empty());
|
||
|
|
if required && value.is_none() {
|
||
|
|
return Err(LiveProtocolError::InvalidUpstreamUrl);
|
||
|
|
}
|
||
|
|
hasher.update(value.unwrap_or_default().as_bytes());
|
||
|
|
hasher.update([0]);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
Ok(format!("{:x}", hasher.finalize()))
|
||
|
|
}
|
||
|
|
|
||
|
|
fn validated_official_chatgpt_url(raw: Option<&str>) -> Result<Url, LiveProtocolError> {
|
||
|
|
let url = Url::parse(raw.ok_or(LiveProtocolError::MissingUpstreamUrl)?)
|
||
|
|
.map_err(|_| LiveProtocolError::InvalidUpstreamUrl)?;
|
||
|
|
let official = url.scheme() == "https"
|
||
|
|
&& url
|
||
|
|
.host_str()
|
||
|
|
.is_some_and(|host| host.eq_ignore_ascii_case(OFFICIAL_CHATGPT_HOST))
|
||
|
|
&& url.port_or_known_default() == Some(443)
|
||
|
|
&& url.username().is_empty()
|
||
|
|
&& url.password().is_none()
|
||
|
|
&& url.fragment().is_none()
|
||
|
|
&& url.path().trim_end_matches('/').strip_suffix("/live") == Some("/backend-api/codex");
|
||
|
|
if !official {
|
||
|
|
return Err(LiveProtocolError::OauthUpstreamUnsupported);
|
||
|
|
}
|
||
|
|
Ok(url)
|
||
|
|
}
|
||
|
|
|
||
|
|
fn replace_live_suffix(
|
||
|
|
raw: Option<&str>,
|
||
|
|
suffix: &[&str],
|
||
|
|
query: Option<(&str, &str)>,
|
||
|
|
) -> Result<String, LiveProtocolError> {
|
||
|
|
let mut url = Url::parse(raw.ok_or(LiveProtocolError::MissingUpstreamUrl)?)
|
||
|
|
.map_err(|_| LiveProtocolError::InvalidUpstreamUrl)?;
|
||
|
|
if url.host_str().is_none()
|
||
|
|
|| !url.username().is_empty()
|
||
|
|
|| url.password().is_some()
|
||
|
|
|| url.fragment().is_some()
|
||
|
|
{
|
||
|
|
return Err(LiveProtocolError::InvalidUpstreamUrl);
|
||
|
|
}
|
||
|
|
if url.path_segments().and_then(Iterator::last) != Some("live") {
|
||
|
|
return Err(LiveProtocolError::InvalidUpstreamUrl);
|
||
|
|
}
|
||
|
|
{
|
||
|
|
let mut path = url
|
||
|
|
.path_segments_mut()
|
||
|
|
.map_err(|_| LiveProtocolError::InvalidUpstreamUrl)?;
|
||
|
|
path.pop_if_empty();
|
||
|
|
path.pop();
|
||
|
|
for segment in suffix {
|
||
|
|
path.push(segment);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if let Some((name, value)) = query {
|
||
|
|
replace_url_query_pair(&mut url, name, value);
|
||
|
|
}
|
||
|
|
Ok(url.to_string())
|
||
|
|
}
|
||
|
|
|
||
|
|
fn replace_url_query_pair(url: &mut Url, name: &str, value: &str) {
|
||
|
|
let retained = url
|
||
|
|
.query_pairs()
|
||
|
|
.filter(|(candidate, _)| !candidate.eq_ignore_ascii_case(name))
|
||
|
|
.map(|(key, value)| (key.into_owned(), value.into_owned()))
|
||
|
|
.collect::<Vec<_>>();
|
||
|
|
url.set_query(None);
|
||
|
|
let mut query = url.query_pairs_mut();
|
||
|
|
for (key, value) in retained {
|
||
|
|
query.append_pair(key.as_str(), value.as_str());
|
||
|
|
}
|
||
|
|
query.append_pair(name, value);
|
||
|
|
}
|
||
|
|
|
||
|
|
fn canonical_live_route_query(url: &Url) -> String {
|
||
|
|
if url.query().is_none() {
|
||
|
|
return String::new();
|
||
|
|
}
|
||
|
|
let mut pairs = url
|
||
|
|
.query_pairs()
|
||
|
|
.map(|(name, value)| {
|
||
|
|
let value = if live_route_query_key_is_credential(name.as_ref()) {
|
||
|
|
// Bind the authentication mechanism without pinning a rotating
|
||
|
|
// credential value into the WebRTC call identity.
|
||
|
|
String::new()
|
||
|
|
} else {
|
||
|
|
value.into_owned()
|
||
|
|
};
|
||
|
|
(name.into_owned(), value)
|
||
|
|
})
|
||
|
|
.collect::<Vec<_>>();
|
||
|
|
pairs.sort_unstable();
|
||
|
|
|
||
|
|
let mut serializer = form_urlencoded::Serializer::new(String::new());
|
||
|
|
for (name, value) in pairs {
|
||
|
|
serializer.append_pair(name.as_str(), value.as_str());
|
||
|
|
}
|
||
|
|
serializer.finish()
|
||
|
|
}
|
||
|
|
|
||
|
|
fn live_route_query_key_is_credential(name: &str) -> bool {
|
||
|
|
matches!(
|
||
|
|
name.to_ascii_lowercase().as_str(),
|
||
|
|
"key"
|
||
|
|
| "api_key"
|
||
|
|
| "api-key"
|
||
|
|
| "x-api-key"
|
||
|
|
| "x-goog-api-key"
|
||
|
|
| "access_token"
|
||
|
|
| "authorization"
|
||
|
|
| "token"
|
||
|
|
| "oauth_token"
|
||
|
|
| "client_secret"
|
||
|
|
| "secret_key"
|
||
|
|
| "signature"
|
||
|
|
| "sig"
|
||
|
|
)
|
||
|
|
}
|
||
|
|
|
||
|
|
fn build_live_planning_parts(
|
||
|
|
headers: &HeaderMap,
|
||
|
|
remote_addr: &SocketAddr,
|
||
|
|
) -> http::request::Parts {
|
||
|
|
let mut request = http::Request::builder()
|
||
|
|
.method(Method::GET)
|
||
|
|
.uri("/v1/live")
|
||
|
|
.body(())
|
||
|
|
.expect("the fixed Live planning request must be valid");
|
||
|
|
*request.headers_mut() = sanitize_live_planning_headers(headers.clone());
|
||
|
|
request
|
||
|
|
.headers_mut()
|
||
|
|
.insert(CONTENT_TYPE, HeaderValue::from_static("application/json"));
|
||
|
|
request
|
||
|
|
.extensions_mut()
|
||
|
|
.insert(request_origin_from_headers_and_remote_addr(
|
||
|
|
headers,
|
||
|
|
remote_addr,
|
||
|
|
));
|
||
|
|
request
|
||
|
|
.extensions_mut()
|
||
|
|
.insert(RedactionSessionSlot::default());
|
||
|
|
request.into_parts().0
|
||
|
|
}
|
||
|
|
|
||
|
|
fn sanitize_live_planning_headers(mut headers: HeaderMap) -> HeaderMap {
|
||
|
|
let connection_names = headers
|
||
|
|
.get_all(CONNECTION)
|
||
|
|
.iter()
|
||
|
|
.filter_map(|value| value.to_str().ok())
|
||
|
|
.flat_map(|value| value.split(','))
|
||
|
|
.filter_map(|name| HeaderName::from_bytes(name.trim().as_bytes()).ok())
|
||
|
|
.collect::<Vec<_>>();
|
||
|
|
for name in connection_names {
|
||
|
|
headers.remove(name);
|
||
|
|
}
|
||
|
|
for name in [AUTHORIZATION, CONNECTION, COOKIE, UPGRADE] {
|
||
|
|
headers.remove(name);
|
||
|
|
}
|
||
|
|
for name in [
|
||
|
|
"api-key",
|
||
|
|
"x-api-key",
|
||
|
|
"x-goog-api-key",
|
||
|
|
"proxy-authorization",
|
||
|
|
"proxy-connection",
|
||
|
|
"keep-alive",
|
||
|
|
] {
|
||
|
|
headers.remove(name);
|
||
|
|
}
|
||
|
|
let websocket_headers = headers
|
||
|
|
.keys()
|
||
|
|
.filter(|name| name.as_str().starts_with("sec-websocket-"))
|
||
|
|
.cloned()
|
||
|
|
.collect::<Vec<_>>();
|
||
|
|
for name in websocket_headers {
|
||
|
|
headers.remove(name);
|
||
|
|
}
|
||
|
|
headers
|
||
|
|
}
|
||
|
|
|
||
|
|
fn find_header<'a>(
|
||
|
|
headers: &'a std::collections::BTreeMap<String, String>,
|
||
|
|
name: &str,
|
||
|
|
) -> Option<&'a str> {
|
||
|
|
headers
|
||
|
|
.iter()
|
||
|
|
.find(|(candidate, _)| candidate.eq_ignore_ascii_case(name))
|
||
|
|
.map(|(_, value)| value.as_str())
|
||
|
|
}
|
||
|
|
|
||
|
|
fn replace_header(
|
||
|
|
headers: &mut std::collections::BTreeMap<String, String>,
|
||
|
|
name: &str,
|
||
|
|
value: &str,
|
||
|
|
) {
|
||
|
|
headers.retain(|candidate, _| !candidate.eq_ignore_ascii_case(name));
|
||
|
|
headers.insert(name.to_string(), value.to_string());
|
||
|
|
}
|
||
|
|
|
||
|
|
#[cfg(test)]
|
||
|
|
mod tests {
|
||
|
|
use std::collections::BTreeMap;
|
||
|
|
|
||
|
|
use aether_provider_transport::snapshot::{
|
||
|
|
GatewayProviderTransportEndpoint, GatewayProviderTransportKey,
|
||
|
|
GatewayProviderTransportProvider, GatewayProviderTransportSnapshot,
|
||
|
|
};
|
||
|
|
|
||
|
|
use super::*;
|
||
|
|
|
||
|
|
fn candidate(url: &str, auth_mode: LiveAuthMode) -> PlannedLiveCandidate {
|
||
|
|
let execution: AiExecutionDecision = serde_json::from_value(json!({
|
||
|
|
"action": "stream",
|
||
|
|
"provider_id": "provider-1",
|
||
|
|
"endpoint_id": "endpoint-1",
|
||
|
|
"key_id": "key-1",
|
||
|
|
"upstream_url": url,
|
||
|
|
"provider_type": "codex",
|
||
|
|
"provider_request_headers": {"authorization": "Bearer secret"}
|
||
|
|
}))
|
||
|
|
.expect("decision should deserialize");
|
||
|
|
PlannedLiveCandidate {
|
||
|
|
execution,
|
||
|
|
pinned_candidate: ResponsesWebSocketPinnedCandidate::new(
|
||
|
|
"provider-1",
|
||
|
|
"endpoint-1",
|
||
|
|
"key-1",
|
||
|
|
)
|
||
|
|
.unwrap(),
|
||
|
|
client_model: "global-model".to_string(),
|
||
|
|
provider_model: "provider-model".to_string(),
|
||
|
|
auth_mode,
|
||
|
|
routing_fingerprint: "0".repeat(64),
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
fn transport_with_auth_override(
|
||
|
|
default_auth_type: &str,
|
||
|
|
auth_type_by_format: Option<serde_json::Value>,
|
||
|
|
) -> GatewayProviderTransportSnapshot {
|
||
|
|
GatewayProviderTransportSnapshot {
|
||
|
|
provider: GatewayProviderTransportProvider {
|
||
|
|
id: "provider-1".to_string(),
|
||
|
|
name: "codex".to_string(),
|
||
|
|
provider_type: "codex".to_string(),
|
||
|
|
website: None,
|
||
|
|
is_active: true,
|
||
|
|
keep_priority_on_conversion: false,
|
||
|
|
enable_format_conversion: false,
|
||
|
|
concurrent_limit: None,
|
||
|
|
max_retries: None,
|
||
|
|
proxy: None,
|
||
|
|
request_timeout_secs: None,
|
||
|
|
stream_first_byte_timeout_secs: None,
|
||
|
|
config: None,
|
||
|
|
},
|
||
|
|
endpoint: GatewayProviderTransportEndpoint {
|
||
|
|
id: "endpoint-1".to_string(),
|
||
|
|
provider_id: "provider-1".to_string(),
|
||
|
|
api_format: "codex:live".to_string(),
|
||
|
|
api_family: Some("codex".to_string()),
|
||
|
|
endpoint_kind: Some("live".to_string()),
|
||
|
|
is_active: true,
|
||
|
|
base_url: "https://chatgpt.com/backend-api/codex".to_string(),
|
||
|
|
header_rules: None,
|
||
|
|
body_rules: None,
|
||
|
|
max_retries: None,
|
||
|
|
custom_path: None,
|
||
|
|
config: None,
|
||
|
|
format_acceptance_config: None,
|
||
|
|
proxy: None,
|
||
|
|
},
|
||
|
|
key: GatewayProviderTransportKey {
|
||
|
|
id: "key-1".to_string(),
|
||
|
|
provider_id: "provider-1".to_string(),
|
||
|
|
name: "key".to_string(),
|
||
|
|
auth_type: default_auth_type.to_string(),
|
||
|
|
is_active: true,
|
||
|
|
api_formats: Some(vec!["codex:live".to_string()]),
|
||
|
|
auth_type_by_format,
|
||
|
|
allow_auth_channel_mismatch_formats: None,
|
||
|
|
allowed_models: None,
|
||
|
|
capabilities: None,
|
||
|
|
rate_multipliers: None,
|
||
|
|
global_priority_by_format: None,
|
||
|
|
expires_at_unix_secs: None,
|
||
|
|
proxy: None,
|
||
|
|
fingerprint: None,
|
||
|
|
upstream_metadata: None,
|
||
|
|
decrypted_api_key: "rotating-secret".to_string(),
|
||
|
|
decrypted_auth_config: None,
|
||
|
|
},
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
fn oauth_fingerprint_decision(
|
||
|
|
token: &str,
|
||
|
|
account_id: &str,
|
||
|
|
fedramp: &str,
|
||
|
|
session_id: &str,
|
||
|
|
) -> AiExecutionDecision {
|
||
|
|
let mut decision = candidate(
|
||
|
|
"https://chatgpt.com/backend-api/codex/live",
|
||
|
|
LiveAuthMode::ChatGptOauth,
|
||
|
|
)
|
||
|
|
.execution;
|
||
|
|
decision.provider_request_headers = BTreeMap::from([
|
||
|
|
("authorization".to_string(), format!("Bearer {token}")),
|
||
|
|
("chatgpt-account-id".to_string(), account_id.to_string()),
|
||
|
|
("x-openai-fedramp".to_string(), fedramp.to_string()),
|
||
|
|
("x-session-id".to_string(), session_id.to_string()),
|
||
|
|
]);
|
||
|
|
decision
|
||
|
|
}
|
||
|
|
|
||
|
|
#[test]
|
||
|
|
fn format_auth_override_selects_the_effective_live_auth_mode() {
|
||
|
|
let overridden =
|
||
|
|
transport_with_auth_override("oauth", Some(json!({"codex:live": "bearer"})));
|
||
|
|
let effective =
|
||
|
|
aether_provider_transport::auth::resolve_local_auth_type_for_transport_format(
|
||
|
|
&overridden,
|
||
|
|
);
|
||
|
|
assert_eq!(effective, "bearer");
|
||
|
|
assert_eq!(
|
||
|
|
live_auth_mode(
|
||
|
|
overridden.provider.provider_type.as_str(),
|
||
|
|
effective.as_str()
|
||
|
|
),
|
||
|
|
Some(LiveAuthMode::ApiKey)
|
||
|
|
);
|
||
|
|
|
||
|
|
let oauth = transport_with_auth_override("oauth", None);
|
||
|
|
let effective =
|
||
|
|
aether_provider_transport::auth::resolve_local_auth_type_for_transport_format(&oauth);
|
||
|
|
assert_eq!(effective, "oauth");
|
||
|
|
assert_eq!(
|
||
|
|
live_auth_mode(oauth.provider.provider_type.as_str(), effective.as_str()),
|
||
|
|
Some(LiveAuthMode::ChatGptOauth)
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
#[test]
|
||
|
|
fn derives_api_key_live_urls_preserves_query_and_replaces_the_mapped_model() {
|
||
|
|
let mut candidate = candidate(
|
||
|
|
"https://api.example.test/v1/live?api-version=2026-08-01&model=stale&MODEL=duplicate",
|
||
|
|
LiveAuthMode::ApiKey,
|
||
|
|
);
|
||
|
|
candidate.provider_model = "upstream/model + future".to_string();
|
||
|
|
let direct = Url::parse(direct_live_websocket_url(&candidate).unwrap().as_str()).unwrap();
|
||
|
|
assert_eq!(direct.path(), "/v1/live");
|
||
|
|
assert_eq!(
|
||
|
|
direct.query_pairs().collect::<Vec<_>>(),
|
||
|
|
vec![
|
||
|
|
("api-version".into(), "2026-08-01".into()),
|
||
|
|
("model".into(), "upstream/model + future".into()),
|
||
|
|
]
|
||
|
|
);
|
||
|
|
assert_eq!(
|
||
|
|
direct
|
||
|
|
.query_pairs()
|
||
|
|
.filter(|(name, _)| name.eq_ignore_ascii_case("model"))
|
||
|
|
.count(),
|
||
|
|
1
|
||
|
|
);
|
||
|
|
assert!(!direct.as_str().contains("global-model"));
|
||
|
|
assert_eq!(
|
||
|
|
live_call_url(&candidate).unwrap(),
|
||
|
|
"https://api.example.test/v1/live?api-version=2026-08-01&model=stale&MODEL=duplicate"
|
||
|
|
);
|
||
|
|
assert_eq!(
|
||
|
|
live_sideband_url(&candidate, "rtc_abc-123").unwrap(),
|
||
|
|
"https://api.example.test/v1/live/rtc_abc-123?api-version=2026-08-01&model=stale&MODEL=duplicate"
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
#[test]
|
||
|
|
fn derives_chatgpt_call_and_official_sideband_urls() {
|
||
|
|
let candidate = candidate(
|
||
|
|
"https://chatgpt.com/backend-api/codex/live?api-version=2026-08-01&intent=stale&INTENT=duplicate&architecture=stale&ARCHITECTURE=duplicate",
|
||
|
|
LiveAuthMode::ChatGptOauth,
|
||
|
|
);
|
||
|
|
let call = Url::parse(live_call_url(&candidate).unwrap().as_str()).unwrap();
|
||
|
|
assert_eq!(call.path(), "/backend-api/codex/realtime/calls");
|
||
|
|
assert_eq!(
|
||
|
|
call.query_pairs().collect::<Vec<_>>(),
|
||
|
|
vec![
|
||
|
|
("api-version".into(), "2026-08-01".into()),
|
||
|
|
("intent".into(), "quicksilver".into()),
|
||
|
|
("architecture".into(), "avas".into()),
|
||
|
|
]
|
||
|
|
);
|
||
|
|
assert_eq!(
|
||
|
|
call.query_pairs()
|
||
|
|
.filter(|(name, _)| name.eq_ignore_ascii_case("intent"))
|
||
|
|
.count(),
|
||
|
|
1
|
||
|
|
);
|
||
|
|
assert_eq!(
|
||
|
|
call.query_pairs()
|
||
|
|
.filter(|(name, _)| name.eq_ignore_ascii_case("architecture"))
|
||
|
|
.count(),
|
||
|
|
1
|
||
|
|
);
|
||
|
|
assert_eq!(
|
||
|
|
live_sideband_url(&candidate, "rtc_call_1").unwrap(),
|
||
|
|
"https://api.openai.com/v1/live/rtc_call_1"
|
||
|
|
);
|
||
|
|
assert_eq!(
|
||
|
|
direct_live_websocket_url(&candidate),
|
||
|
|
Err(LiveProtocolError::OauthDirectWebSocketUnsupported)
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
#[test]
|
||
|
|
fn chatgpt_oauth_live_fails_closed_for_custom_backend_origins() {
|
||
|
|
let candidate = candidate(
|
||
|
|
"https://relay.example/backend-api/codex/live",
|
||
|
|
LiveAuthMode::ChatGptOauth,
|
||
|
|
);
|
||
|
|
assert_eq!(
|
||
|
|
live_call_url(&candidate),
|
||
|
|
Err(LiveProtocolError::OauthUpstreamUnsupported)
|
||
|
|
);
|
||
|
|
assert_eq!(
|
||
|
|
live_sideband_url(&candidate, "rtc_custom_backend"),
|
||
|
|
Err(LiveProtocolError::OauthUpstreamUnsupported)
|
||
|
|
);
|
||
|
|
assert_eq!(
|
||
|
|
live_routing_fingerprint(&candidate.execution, "oauth", LiveAuthMode::ChatGptOauth),
|
||
|
|
Err(LiveProtocolError::OauthUpstreamUnsupported)
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
#[test]
|
||
|
|
fn routing_fingerprint_ignores_token_rotation_but_binds_oauth_identity() {
|
||
|
|
let baseline =
|
||
|
|
oauth_fingerprint_decision("access-token-1", "account-1", "true", "session-1");
|
||
|
|
let refreshed =
|
||
|
|
oauth_fingerprint_decision("access-token-2", "account-1", "true", "session-1");
|
||
|
|
let fingerprint =
|
||
|
|
live_routing_fingerprint(&baseline, "oauth", LiveAuthMode::ChatGptOauth).unwrap();
|
||
|
|
assert_eq!(
|
||
|
|
live_routing_fingerprint(&refreshed, "oauth", LiveAuthMode::ChatGptOauth).unwrap(),
|
||
|
|
fingerprint,
|
||
|
|
"access-token refresh must not invalidate an established sideband binding"
|
||
|
|
);
|
||
|
|
|
||
|
|
for changed in [
|
||
|
|
oauth_fingerprint_decision("access-token-2", "account-2", "true", "session-1"),
|
||
|
|
oauth_fingerprint_decision("access-token-2", "account-1", "false", "session-1"),
|
||
|
|
oauth_fingerprint_decision("access-token-2", "account-1", "true", "session-2"),
|
||
|
|
] {
|
||
|
|
assert_ne!(
|
||
|
|
live_routing_fingerprint(&changed, "oauth", LiveAuthMode::ChatGptOauth).unwrap(),
|
||
|
|
fingerprint
|
||
|
|
);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
#[test]
|
||
|
|
fn routing_fingerprint_binds_api_key_origin_without_hashing_the_token() {
|
||
|
|
let mut first = candidate("https://api-a.example/v1/live", LiveAuthMode::ApiKey).execution;
|
||
|
|
first.provider_request_headers.extend([
|
||
|
|
("authorization".to_string(), "Bearer token-1".to_string()),
|
||
|
|
("x-session-id".to_string(), "session-1".to_string()),
|
||
|
|
]);
|
||
|
|
let mut refreshed = first.clone();
|
||
|
|
refreshed
|
||
|
|
.provider_request_headers
|
||
|
|
.insert("authorization".to_string(), "Bearer token-2".to_string());
|
||
|
|
assert_eq!(
|
||
|
|
live_routing_fingerprint(&first, "bearer", LiveAuthMode::ApiKey).unwrap(),
|
||
|
|
live_routing_fingerprint(&refreshed, "bearer", LiveAuthMode::ApiKey).unwrap()
|
||
|
|
);
|
||
|
|
|
||
|
|
let mut changed_origin =
|
||
|
|
candidate("https://api-b.example/v1/live", LiveAuthMode::ApiKey).execution;
|
||
|
|
changed_origin
|
||
|
|
.provider_request_headers
|
||
|
|
.insert("x-session-id".to_string(), "session-1".to_string());
|
||
|
|
assert_ne!(
|
||
|
|
live_routing_fingerprint(&first, "bearer", LiveAuthMode::ApiKey).unwrap(),
|
||
|
|
live_routing_fingerprint(&changed_origin, "bearer", LiveAuthMode::ApiKey).unwrap()
|
||
|
|
);
|
||
|
|
|
||
|
|
let mut changed_session = refreshed;
|
||
|
|
changed_session
|
||
|
|
.provider_request_headers
|
||
|
|
.insert("x-session-id".to_string(), "session-2".to_string());
|
||
|
|
assert_ne!(
|
||
|
|
live_routing_fingerprint(&first, "bearer", LiveAuthMode::ApiKey).unwrap(),
|
||
|
|
live_routing_fingerprint(&changed_session, "bearer", LiveAuthMode::ApiKey).unwrap()
|
||
|
|
);
|
||
|
|
|
||
|
|
let missing_session =
|
||
|
|
candidate("https://api-a.example/v1/live", LiveAuthMode::ApiKey).execution;
|
||
|
|
assert_eq!(
|
||
|
|
live_routing_fingerprint(&missing_session, "bearer", LiveAuthMode::ApiKey),
|
||
|
|
Err(LiveProtocolError::InvalidUpstreamUrl)
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
#[test]
|
||
|
|
fn routing_fingerprint_canonicalizes_safe_query_and_ignores_query_credentials() {
|
||
|
|
let mut baseline = candidate(
|
||
|
|
"https://api-a.example/v1/live?api-version=2026-08-01&deployment=primary&alt=sse&token=secret-1&key=secret-1",
|
||
|
|
LiveAuthMode::ApiKey,
|
||
|
|
)
|
||
|
|
.execution;
|
||
|
|
baseline
|
||
|
|
.provider_request_headers
|
||
|
|
.insert("x-session-id".to_string(), "session-1".to_string());
|
||
|
|
let fingerprint =
|
||
|
|
live_routing_fingerprint(&baseline, "bearer", LiveAuthMode::ApiKey).unwrap();
|
||
|
|
|
||
|
|
let mut reordered = candidate(
|
||
|
|
"https://api-a.example/v1/live?key=secret-2&alt=sse&token=secret-2&deployment=primary&api-version=2026-08-01",
|
||
|
|
LiveAuthMode::ApiKey,
|
||
|
|
)
|
||
|
|
.execution;
|
||
|
|
reordered
|
||
|
|
.provider_request_headers
|
||
|
|
.insert("x-session-id".to_string(), "session-1".to_string());
|
||
|
|
assert_eq!(
|
||
|
|
live_routing_fingerprint(&reordered, "bearer", LiveAuthMode::ApiKey).unwrap(),
|
||
|
|
fingerprint,
|
||
|
|
"query order and query credentials must not change the stable route identity"
|
||
|
|
);
|
||
|
|
|
||
|
|
let mut changed_route = candidate(
|
||
|
|
"https://api-a.example/v1/live?api-version=2026-08-01&deployment=secondary&alt=sse&token=secret-2&key=secret-2",
|
||
|
|
LiveAuthMode::ApiKey,
|
||
|
|
)
|
||
|
|
.execution;
|
||
|
|
changed_route
|
||
|
|
.provider_request_headers
|
||
|
|
.insert("x-session-id".to_string(), "session-1".to_string());
|
||
|
|
assert_ne!(
|
||
|
|
live_routing_fingerprint(&changed_route, "bearer", LiveAuthMode::ApiKey).unwrap(),
|
||
|
|
fingerprint,
|
||
|
|
"a non-sensitive endpoint route query change must invalidate the binding"
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
#[test]
|
||
|
|
fn live_headers_force_quicksilver_and_preserve_a_stable_session_identity() {
|
||
|
|
let mut headers = BTreeMap::from([
|
||
|
|
("OpenAI-Alpha".to_string(), "wrong".to_string()),
|
||
|
|
("thread-id".to_string(), "thread-stable".to_string()),
|
||
|
|
]);
|
||
|
|
apply_live_headers(&mut headers, "trace-fallback");
|
||
|
|
assert_eq!(
|
||
|
|
headers.get("openai-alpha").map(String::as_str),
|
||
|
|
Some(LIVE_ALPHA_HEADER_VALUE)
|
||
|
|
);
|
||
|
|
assert_eq!(
|
||
|
|
headers.get("x-session-id").map(String::as_str),
|
||
|
|
Some("thread-stable")
|
||
|
|
);
|
||
|
|
assert_eq!(
|
||
|
|
headers
|
||
|
|
.keys()
|
||
|
|
.filter(|name| name.eq_ignore_ascii_case("openai-alpha"))
|
||
|
|
.count(),
|
||
|
|
1
|
||
|
|
);
|
||
|
|
|
||
|
|
let mut legacy_session_header = BTreeMap::from([
|
||
|
|
("Session-Id".to_string(), "legacy-stable".to_string()),
|
||
|
|
("chatgpt-account-id".to_string(), "account-1".to_string()),
|
||
|
|
]);
|
||
|
|
apply_live_headers(&mut legacy_session_header, "trace-fallback");
|
||
|
|
assert_eq!(
|
||
|
|
legacy_session_header
|
||
|
|
.get("x-session-id")
|
||
|
|
.map(String::as_str),
|
||
|
|
Some("legacy-stable")
|
||
|
|
);
|
||
|
|
assert_eq!(
|
||
|
|
legacy_session_header
|
||
|
|
.get("chatgpt-account-id")
|
||
|
|
.map(String::as_str),
|
||
|
|
Some("account-1")
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
#[test]
|
||
|
|
fn live_urls_reject_credentials_invalid_suffixes_and_call_ids() {
|
||
|
|
let credentials = candidate("https://[email protected]/v1/live", LiveAuthMode::ApiKey);
|
||
|
|
assert_eq!(
|
||
|
|
direct_live_websocket_url(&credentials),
|
||
|
|
Err(LiveProtocolError::InvalidUpstreamUrl)
|
||
|
|
);
|
||
|
|
|
||
|
|
let wrong_suffix = candidate(
|
||
|
|
"https://api.example.test/v1/chat/completions",
|
||
|
|
LiveAuthMode::ApiKey,
|
||
|
|
);
|
||
|
|
assert_eq!(
|
||
|
|
live_call_url(&wrong_suffix),
|
||
|
|
Err(LiveProtocolError::InvalidUpstreamUrl)
|
||
|
|
);
|
||
|
|
assert_eq!(
|
||
|
|
live_sideband_url(&wrong_suffix, "rtc/escape"),
|
||
|
|
Err(LiveProtocolError::InvalidCallId)
|
||
|
|
);
|
||
|
|
|
||
|
|
let fragment = candidate(
|
||
|
|
"https://api.example.test/v1/live#not-sent-upstream",
|
||
|
|
LiveAuthMode::ApiKey,
|
||
|
|
);
|
||
|
|
assert_eq!(
|
||
|
|
direct_live_websocket_url(&fragment),
|
||
|
|
Err(LiveProtocolError::InvalidUpstreamUrl)
|
||
|
|
);
|
||
|
|
assert_eq!(
|
||
|
|
live_call_url(&fragment),
|
||
|
|
Err(LiveProtocolError::InvalidUpstreamUrl)
|
||
|
|
);
|
||
|
|
|
||
|
|
let mut fragment_fingerprint = fragment.execution;
|
||
|
|
fragment_fingerprint
|
||
|
|
.provider_request_headers
|
||
|
|
.insert("x-session-id".to_string(), "session-1".to_string());
|
||
|
|
assert_eq!(
|
||
|
|
live_routing_fingerprint(&fragment_fingerprint, "bearer", LiveAuthMode::ApiKey),
|
||
|
|
Err(LiveProtocolError::InvalidUpstreamUrl)
|
||
|
|
);
|
||
|
|
}
|
||
|
|
}
|