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opencode v2 mirror
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TypeScript
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271import { define } from "@opencode/plugin/effect/plugin"import { Form } from "@opencode/schema/form"import { Clock, Deferred, Effect, Option, Schema, Stream } from "effect"import { HttpClient, HttpClientRequest, HttpClientResponse } from "effect/unstable/http"import { App } from "../../app.js"import { Bus } from "../../bus.js"import { Credential } from "../../credential.js"import { Integration } from "../../integration.js"import { OauthCallbackPage } from "../../oauth/page.js"import { Provider } from "../../provider.js"import { configuredSettings } from "./configured.js"
const providerID = Provider.ID.make("snowflake-cortex")const integrationID = Integration.ID.make(providerID)const methodID = Integration.MethodID.make("browser")const clientID = "LOCAL_APPLICATION"const accountForm = Form.Fields.make([ { type: "string", key: "account", title: "Snowflake account", placeholder: "myorg-myaccount", required: true, },])const Token = Schema.Struct({ access_token: Schema.NonEmptyString, refresh_token: Schema.optional(Schema.String), expires_in: Schema.optional(Schema.Number),})const decodeError = Schema.decodeUnknownOption( Schema.fromJsonString( Schema.Struct({ message: Schema.optional(Schema.Unknown), error: Schema.optional(Schema.Unknown) }), ),)
export const SnowflakeCortexPlugin = define({ id: "opencode.provider.snowflake.cortex", effect: Effect.fn(function* (ctx) { const http = yield* HttpClient.HttpClient const credentials = yield* Credential.Service const integrations = yield* Integration.Service const bus = yield* Bus.Service const configured = yield* configuredSettings(providerID) const account = { value: "" } const saved = Effect.gen(function* () { const connection = yield* integrations.connection.active(integrationID) return connection?.type === "credential" ? yield* credentials.get(connection.id) : undefined }) const token = Effect.fn(function* (account: string, form: Record<string, string>) { if (!account) return yield* Effect.fail(new Error("Snowflake account is required")) const response = yield* http.execute( HttpClientRequest.post(`${issuer(account)}/oauth/token-request`).pipe( HttpClientRequest.setHeaders({ Accept: "application/json", "User-Agent": App.useragent(ctx.app), // Same built-in OAuth client and Basic header as V1; this is not a user password. Authorization: `Basic ${Buffer.from(`${clientID}:${clientID}`).toString("base64")}`, }), HttpClientRequest.bodyUrlParams({ ...form, client_id: clientID }), ), ) if (response.status < 200 || response.status >= 300) return yield* Effect.fail( new Error(`Snowflake token request failed (${response.status}): ${yield* response.text}`), ) const tokens = yield* HttpClientResponse.schemaBodyJson(Token)(response) const refresh = tokens.refresh_token || form.refresh_token if (!refresh) return yield* Effect.fail(new Error("Snowflake token response did not include refresh_token")) return Credential.OAuth.make({ type: "oauth", methodID, access: tokens.access_token, refresh, expires: (yield* Clock.currentTimeMillis) + (tokens.expires_in ?? 600) * 1000, metadata: { account }, }) }) const refresh = (value: Credential.OAuth) => token(normalizeAccount(value.metadata?.account), { grant_type: "refresh_token", refresh_token: value.refresh })
yield* ctx.integration.transform((editor) => { editor.method.update({ integrationID, method: { type: "key", label: "Paste PAT or bearer token", form: accountForm }, }) // SNOWFLAKE_ACCOUNT configures the endpoint; it is not a token. editor.method.update({ integrationID, method: { type: "env", names: ["SNOWFLAKE_CORTEX_TOKEN", "SNOWFLAKE_CORTEX_PAT"] }, }) editor.method.update({ integrationID, method: { id: methodID, type: "oauth", label: "Login with Snowflake (External Browser)", form: [...accountForm, { type: "string", key: "role", title: "Snowflake role (optional)" }], }, // An environment-token override must work even when the saved OAuth login has expired. refresh: (value) => (envToken() ? Effect.succeed(value) : refresh(value)), label: (value) => normalizeAccount(value.metadata?.account), authorize: (answer) => Effect.gen(function* () { const account = normalizeAccount(answer.account) if (!account) return yield* Effect.fail(new Error("Snowflake account is required")) const role = typeof answer.role === "string" ? answer.role.trim() : "" const verifier = Buffer.from(crypto.getRandomValues(new Uint8Array(48))).toString("base64url") const challenge = Buffer.from( yield* Effect.promise(() => crypto.subtle.digest("SHA-256", new TextEncoder().encode(verifier))), ).toString("base64url") const state = Buffer.from(crypto.getRandomValues(new Uint8Array(32))).toString("base64url") const code = yield* Deferred.make<string, Error>() const { createServer } = yield* Effect.promise(() => import("node:http")) const { EventEmitter } = yield* Effect.promise(() => import("node:events")) const server = createServer((request, response) => { const url = new URL(request.url ?? "/", "http://127.0.0.1") if (url.pathname !== "/") { response.writeHead(404).end() return } const value = url.searchParams.get("code") const error = url.searchParams.get("state") !== state ? "Invalid OAuth state" : url.searchParams.get("error_description") || url.searchParams.get("error") || (!value ? "Missing authorization code" : undefined) Effect.runFork(error ? Deferred.fail(code, new Error(error)) : Deferred.succeed(code, value ?? "")) response .writeHead(error ? 400 : 200, { "Content-Type": "text/html" }) .end( error ? OauthCallbackPage.error(error, { provider: "Snowflake" }) : OauthCallbackPage.success({ provider: "Snowflake" }), ) }) yield* Effect.addFinalizer(() => Effect.sync(() => server.close())) yield* Effect.tryPromise(() => EventEmitter.once(server.listen(0, "127.0.0.1"), "listening")) const address = server.address() if (!address || typeof address === "string") return yield* Effect.fail(new Error("Missing OAuth callback port")) const redirect = `http://127.0.0.1:${address.port}/` return { mode: "auto" as const, url: `${issuer(account)}/oauth/authorize?${new URLSearchParams({ client_id: clientID, response_type: "code", redirect_uri: redirect, state, scope: !role ? "refresh_token" : /^[-_A-Za-z0-9]+$/.test(role) ? `refresh_token session:role:${role}` : `refresh_token session:role-encoded:${encodeURIComponent(role)}`, code_challenge: challenge, code_challenge_method: "S256", }).toString()}`, instructions: "Complete Snowflake sign-in in your browser.", callback: Effect.gen(function* () { return yield* token(account, { grant_type: "authorization_code", code: yield* Deferred.await(code), redirect_uri: redirect, code_verifier: verifier, }) }), } }), }) })
const load = Effect.gen(function* () { const value = (yield* saved)?.value account.value = normalizeAccount( process.env.SNOWFLAKE_ACCOUNT ?? (value?.type === "key" ? (value.configuration?.account ?? value.metadata?.account) : value?.metadata?.account) ?? configured?.account, ) }) yield* load yield* ctx.provider.transform((providers) => { const item = providers.get(providerID) if (!item) return const settings = { ...item.provider.settings, ...configured } providers.update(providerID, (provider) => { provider.settings = { ...settings, baseURL: endpoint(settings.baseURL, account.value), ...(typeof settings.token === "string" ? { apiKey: settings.token } : {}), } }) }) yield* ctx.model.transform((models) => { for (const item of models.list(providerID)) { models.update(providerID, item.id, (model) => { model.compatibility = { maxTokensField: "max_completion_tokens", ...model.compatibility } if (model.settings?.baseURL !== undefined) model.settings.baseURL = endpoint(model.settings.baseURL, account.value) }) } }) yield* bus.subscribe(Credential.Event.Switched).pipe( Stream.filter((event) => event.data.integrationID === integrationID), Stream.runForEach(() => load.pipe(Effect.andThen(ctx.provider.reload()))), Effect.forkScoped({ startImmediately: true }), ) yield* ctx.session.hook( "http.request", (event) => Effect.sync(() => { // Model resolution already supplies and refreshes stored credentials on each attempt. const token = envToken() if (token) event.request.headers.set("authorization", `Bearer ${token}`) event.request.headers.set("user-agent", App.useragent(ctx.app)) }), { providerID }, ) yield* ctx.session.hook( "http.response", Effect.fn(function* (event) { if (event.response.status !== 400) return const error = Option.getOrUndefined(decodeError(yield* Effect.promise(() => event.response.clone().text()))) // oxlint-disable-next-line typescript-eslint/no-base-to-string -- Preserve V1's error-body coercion. const message = String(error?.message || error?.error || "") if (!message.toLowerCase().includes("conversation complete")) return event.response = new Response( 'data: {"choices":[{"index":0,"delta":{},"finish_reason":"stop"}]}\n\ndata: [DONE]\n\n', { headers: { "content-type": "text/event-stream" } }, ) }), { providerID }, ) yield* ctx.session.hook( "retry", Effect.fn(function* (event) { if (event.error.status !== 401 || event.attempt !== 2 || envToken()) return const current = yield* saved if (current?.value.type !== "oauth" || current.value.methodID !== methodID) return yield* credentials.update(current.id, { value: yield* refresh(current.value).pipe(Effect.orDie) }) event.decision = { retry: true, delay: 0 } }), { providerID }, ) }),})
function normalizeAccount(value: unknown) { if (typeof value !== "string") return "" return value .trim() .replace(/^https?:\/\//i, "") .replace(/\/+$/, "") .replace(/\.snowflakecomputing\.com$/i, "")}
function issuer(account: string) { return `https://${account}.snowflakecomputing.com`}
function endpoint(value: unknown, account: string) { const baseURL = typeof value === "string" ? value : `${issuer("${SNOWFLAKE_ACCOUNT}")}/api/v2/cortex/v1` return account ? baseURL.replaceAll("${SNOWFLAKE_ACCOUNT}", account) : baseURL}
function envToken() { return process.env.SNOWFLAKE_CORTEX_TOKEN ?? process.env.SNOWFLAKE_CORTEX_PAT}