Function CodexAuthPlugin

packages/opencode/src/plugin/openai/codex.ts:263–556

(input: PluginInput, options: CodexAuthPluginOptions = {})

}

export async function CodexAuthPlugin(input: PluginInput, options: CodexAuthPluginOptions = {}): Promise<Hooks> {
  const issuer = options.issuer ?? ISSUER
  const codexApiEndpoint = options.codexApiEndpoint ?? CODEX_API_ENDPOINT
  let websocketFetchInstalled = false
  const websocketFetches: Array<ReturnType<typeof OpenAIWebSocketPool.createWebSocketFetch>> = []

  return {
    async dispose() {
      for (const websocketFetch of websocketFetches) websocketFetch.close()
      websocketFetches.length = 0
    },
    async event(input) {
      if (input.event.type !== "session.deleted") return
      for (const websocketFetch of websocketFetches) websocketFetch.remove(input.event.properties.info.id)
    },
    provider: {
      id: "openai",
      async models(provider, ctx) {
        if (ctx.auth?.type !== "oauth") return provider.models

        return Object.fromEntries(
          Object.entries(provider.models)
            .filter(([, model]) => {
              if (ALLOWED_MODELS.has(model.api.id)) return true
              if (DISALLOWED_MODELS.has(model.api.id)) return false
              const match = model.api.id.match(/^gpt-(\d+\.\d+)/)
              return match ? parseFloat(match[1]) > 5.4 : false
            })
            .map(([modelID, model]) => [
              modelID,
              {
                ...model,
                cost: {
                  input: 0,
                  output: 0,
                  cache: { read: 0, write: 0 },
                },
                limit: model.id.includes("gpt-5.5")
                  ? {
                      context: 400_000,
                      input: 272_000,
                      output: 128_000,
                    }
                  : model.limit,
              },
            ]),
        )
      },
    },
    auth: {
      provider: "openai",
      async loader(getAuth) {
        const auth = await getAuth()
        const websocketFetch = options.experimentalWebSockets
          ? OpenAIWebSocketPool.createWebSocketFetch({ httpFetch: fetch })
          : undefined
        if (websocketFetch) {
          websocketFetches.push(websocketFetch)