66 lines
2.2 KiB
TypeScript
66 lines
2.2 KiB
TypeScript
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/**
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* Builds HTTP Basic Auth header from environment variables.
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*
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* @returns Basic Auth header string, or undefined if OPENCODE_SERVER_PASSWORD is not set
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*/
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export function getServerBasicAuthHeader(): string | undefined {
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const password = process.env.OPENCODE_SERVER_PASSWORD
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if (!password) {
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return undefined
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}
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const username = process.env.OPENCODE_SERVER_USERNAME ?? "opencode"
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const token = Buffer.from(`${username}:${password}`, "utf8").toString("base64")
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return `Basic ${token}`
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}
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/**
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* Injects HTTP Basic Auth header into the OpenCode SDK client.
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*
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* This function accesses the SDK's internal `_client.setConfig()` method.
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* While `_client` has an underscore prefix (suggesting internal use), this is actually
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* a stable public API from `@hey-api/openapi-ts` generated client:
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* - `setConfig()` MERGES headers (does not replace existing ones)
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* - This is the documented way to update client config at runtime
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*
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* @see https://github.com/sst/opencode/blob/main/packages/sdk/js/src/gen/client/client.gen.ts
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* @throws {Error} If OPENCODE_SERVER_PASSWORD is set but client structure is incompatible
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*/
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export function injectServerAuthIntoClient(client: unknown): void {
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const auth = getServerBasicAuthHeader()
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if (!auth) {
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return
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}
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// Runtime type guard for SDK client structure
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if (
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typeof client !== "object" ||
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client === null ||
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!("_client" in client) ||
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typeof (client as { _client: unknown })._client !== "object" ||
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(client as { _client: unknown })._client === null
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) {
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throw new Error(
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"[opencode-server-auth] OPENCODE_SERVER_PASSWORD is set but SDK client structure is incompatible. " +
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"This may indicate an OpenCode SDK version mismatch."
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)
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}
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const internal = (client as { _client: { setConfig?: (config: { headers: Record<string, string> }) => void } })
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._client
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if (typeof internal.setConfig !== "function") {
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throw new Error(
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"[opencode-server-auth] OPENCODE_SERVER_PASSWORD is set but SDK client._client.setConfig is not a function. " +
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"This may indicate an OpenCode SDK version mismatch."
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)
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}
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internal.setConfig({
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headers: {
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Authorization: auth,
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},
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})
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}
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