diff --git a/app/api/auth.ts b/app/api/auth.ts index 2b4702aed..9c334f2fe 100644 --- a/app/api/auth.ts +++ b/app/api/auth.ts @@ -73,6 +73,9 @@ export function auth(req: NextRequest, modelProvider: ModelProvider) { case ModelProvider.Claude: systemApiKey = serverConfig.anthropicApiKey; break; + case ModelProvider.Doubao: + systemApiKey = serverConfig.bytedanceApiKey; + break; case ModelProvider.GPT: default: if (req.nextUrl.pathname.includes("azure/deployments")) { diff --git a/app/api/bytedance/[...path]/route.ts b/app/api/bytedance/[...path]/route.ts new file mode 100644 index 000000000..bffb60f6c --- /dev/null +++ b/app/api/bytedance/[...path]/route.ts @@ -0,0 +1,160 @@ +import { getServerSideConfig } from "@/app/config/server"; +import { + BYTEDANCE_BASE_URL, + ApiPath, + ModelProvider, + ServiceProvider, +} from "@/app/constant"; +import { prettyObject } from "@/app/utils/format"; +import { NextRequest, NextResponse } from "next/server"; +import { auth } from "@/app/api/auth"; +import { isModelAvailableInServer } from "@/app/utils/model"; + +const serverConfig = getServerSideConfig(); + +async function handle( + req: NextRequest, + { params }: { params: { path: string[] } }, +) { + console.log("[ByteDance Route] params ", params); + + if (req.method === "OPTIONS") { + return NextResponse.json({ body: "OK" }, { status: 200 }); + } + + const authResult = auth(req, ModelProvider.Doubao); + if (authResult.error) { + return NextResponse.json(authResult, { + status: 401, + }); + } + + try { + const response = await request(req); + return response; + } catch (e) { + console.error("[ByteDance] ", e); + return NextResponse.json(prettyObject(e)); + } +} + +export const GET = handle; +export const POST = handle; + +export const runtime = "edge"; +export const preferredRegion = [ + "arn1", + "bom1", + "cdg1", + "cle1", + "cpt1", + "dub1", + "fra1", + "gru1", + "hnd1", + "iad1", + "icn1", + "kix1", + "lhr1", + "pdx1", + "sfo1", + "sin1", + "syd1", +]; + +async function request(req: NextRequest) { + const controller = new AbortController(); + + let path = `${req.nextUrl.pathname}`.replaceAll(ApiPath.ByteDance, ""); + + let baseUrl = serverConfig.bytedanceUrl || BYTEDANCE_BASE_URL; + + if (!baseUrl.startsWith("http")) { + baseUrl = `https://${baseUrl}`; + } + + if (baseUrl.endsWith("/")) { + baseUrl = baseUrl.slice(0, -1); + } + + console.log("[Proxy] ", path); + console.log("[Base Url]", baseUrl); + + const timeoutId = setTimeout( + () => { + controller.abort(); + }, + 10 * 60 * 1000, + ); + + const fetchUrl = `${baseUrl}${path}`; + + const fetchOptions: RequestInit = { + headers: { + "Content-Type": "application/json", + Authorization: req.headers.get("Authorization") ?? "", + }, + method: req.method, + body: req.body, + redirect: "manual", + // @ts-ignore + duplex: "half", + signal: controller.signal, + }; + + // #1815 try to refuse some request to some models + if (serverConfig.customModels && req.body) { + try { + const clonedBody = await req.text(); + fetchOptions.body = clonedBody; + + const jsonBody = JSON.parse(clonedBody) as { model?: string }; + + // not undefined and is false + if ( + isModelAvailableInServer( + serverConfig.customModels, + jsonBody?.model as string, + ServiceProvider.ByteDance as string, + ) + ) { + return NextResponse.json( + { + error: true, + message: `you are not allowed to use ${jsonBody?.model} model`, + }, + { + status: 403, + }, + ); + } + } catch (e) { + console.error(`[ByteDance] filter`, e); + } + } + console.log("[ByteDance request]", fetchOptions.headers, req.method); + try { + const res = await fetch(fetchUrl, fetchOptions); + + console.log( + "[ByteDance response]", + res.status, + " ", + res.headers, + res.url, + ); + // to prevent browser prompt for credentials + const newHeaders = new Headers(res.headers); + newHeaders.delete("www-authenticate"); + // to disable nginx buffering + newHeaders.set("X-Accel-Buffering", "no"); + + return new Response(res.body, { + status: res.status, + statusText: res.statusText, + headers: newHeaders, + }); + } finally { + clearTimeout(timeoutId); + } +} diff --git a/app/client/api.ts b/app/client/api.ts index 41ccbd8e1..ee43fc7cc 100644 --- a/app/client/api.ts +++ b/app/client/api.ts @@ -9,6 +9,8 @@ import { ChatMessage, ModelType, useAccessStore, useChatStore } from "../store"; import { ChatGPTApi } from "./platforms/openai"; import { GeminiProApi } from "./platforms/google"; import { ClaudeApi } from "./platforms/anthropic"; +import { DoubaoApi } from "./platforms/bytedance"; + export const ROLES = ["system", "user", "assistant"] as const; export type MessageRole = (typeof ROLES)[number]; @@ -104,6 +106,9 @@ export class ClientApi { case ModelProvider.Claude: this.llm = new ClaudeApi(); break; + case ModelProvider.Doubao: + this.llm = new DoubaoApi(); + break; default: this.llm = new ChatGPTApi(); } diff --git a/app/client/platforms/bytedance.ts b/app/client/platforms/bytedance.ts new file mode 100644 index 000000000..92c1fd558 --- /dev/null +++ b/app/client/platforms/bytedance.ts @@ -0,0 +1,260 @@ +"use client"; +import { + ApiPath, + ByteDance, + DEFAULT_API_HOST, + REQUEST_TIMEOUT_MS, +} from "@/app/constant"; +import { useAccessStore, useAppConfig, useChatStore } from "@/app/store"; + +import { + ChatOptions, + getHeaders, + LLMApi, + LLMModel, + MultimodalContent, +} from "../api"; +import Locale from "../../locales"; +import { + EventStreamContentType, + fetchEventSource, +} from "@fortaine/fetch-event-source"; +import { prettyObject } from "@/app/utils/format"; +import { getClientConfig } from "@/app/config/client"; +import { getMessageTextContent, isVisionModel } from "@/app/utils"; + +export interface OpenAIListModelResponse { + object: string; + data: Array<{ + id: string; + object: string; + root: string; + }>; +} + +interface RequestPayload { + messages: { + role: "system" | "user" | "assistant"; + content: string | MultimodalContent[]; + }[]; + stream?: boolean; + model: string; + temperature: number; + presence_penalty: number; + frequency_penalty: number; + top_p: number; + max_tokens?: number; +} + +export class DoubaoApi implements LLMApi { + path(path: string): string { + const accessStore = useAccessStore.getState(); + + let baseUrl = ""; + + if (accessStore.useCustomConfig) { + baseUrl = accessStore.bytedanceUrl; + } + + if (baseUrl.length === 0) { + const isApp = !!getClientConfig()?.isApp; + baseUrl = isApp + ? DEFAULT_API_HOST + "/api/proxy/bytedance" + : ApiPath.ByteDance; + } + + if (baseUrl.endsWith("/")) { + baseUrl = baseUrl.slice(0, baseUrl.length - 1); + } + if (!baseUrl.startsWith("http") && !baseUrl.startsWith(ApiPath.ByteDance)) { + baseUrl = "https://" + baseUrl; + } + + console.log("[Proxy Endpoint] ", baseUrl, path); + + return [baseUrl, path].join("/"); + } + + extractMessage(res: any) { + return res.choices?.at(0)?.message?.content ?? ""; + } + + async chat(options: ChatOptions) { + const visionModel = isVisionModel(options.config.model); + const messages = options.messages.map((v) => ({ + role: v.role, + content: visionModel ? v.content : getMessageTextContent(v), + })); + + const modelConfig = { + ...useAppConfig.getState().modelConfig, + ...useChatStore.getState().currentSession().mask.modelConfig, + ...{ + model: options.config.model, + }, + }; + + const requestPayload: RequestPayload = { + messages, + stream: options.config.stream, + model: modelConfig.model, + temperature: modelConfig.temperature, + presence_penalty: modelConfig.presence_penalty, + frequency_penalty: modelConfig.frequency_penalty, + top_p: modelConfig.top_p, + }; + + console.log("[Request] ByteDance payload: ", requestPayload); + + const shouldStream = !!options.config.stream; + const controller = new AbortController(); + options.onController?.(controller); + + try { + const chatPath = this.path(ByteDance.ChatPath); + const chatPayload = { + method: "POST", + body: JSON.stringify(requestPayload), + signal: controller.signal, + headers: getHeaders(), + }; + + // make a fetch request + const requestTimeoutId = setTimeout( + () => controller.abort(), + REQUEST_TIMEOUT_MS, + ); + + if (shouldStream) { + let responseText = ""; + let remainText = ""; + let finished = false; + + // animate response to make it looks smooth + function animateResponseText() { + if (finished || controller.signal.aborted) { + responseText += remainText; + console.log("[Response Animation] finished"); + if (responseText?.length === 0) { + options.onError?.(new Error("empty response from server")); + } + return; + } + + if (remainText.length > 0) { + const fetchCount = Math.max(1, Math.round(remainText.length / 60)); + const fetchText = remainText.slice(0, fetchCount); + responseText += fetchText; + remainText = remainText.slice(fetchCount); + options.onUpdate?.(responseText, fetchText); + } + + requestAnimationFrame(animateResponseText); + } + + // start animaion + animateResponseText(); + + const finish = () => { + if (!finished) { + finished = true; + options.onFinish(responseText + remainText); + } + }; + + controller.signal.onabort = finish; + + fetchEventSource(chatPath, { + ...chatPayload, + async onopen(res) { + clearTimeout(requestTimeoutId); + const contentType = res.headers.get("content-type"); + console.log( + "[ByteDance] request response content type: ", + contentType, + ); + + if (contentType?.startsWith("text/plain")) { + responseText = await res.clone().text(); + return finish(); + } + + if ( + !res.ok || + !res.headers + .get("content-type") + ?.startsWith(EventStreamContentType) || + res.status !== 200 + ) { + const responseTexts = [responseText]; + let extraInfo = await res.clone().text(); + try { + const resJson = await res.clone().json(); + extraInfo = prettyObject(resJson); + } catch {} + + if (res.status === 401) { + responseTexts.push(Locale.Error.Unauthorized); + } + + if (extraInfo) { + responseTexts.push(extraInfo); + } + + responseText = responseTexts.join("\n\n"); + + return finish(); + } + }, + onmessage(msg) { + if (msg.data === "[DONE]" || finished) { + return finish(); + } + const text = msg.data; + try { + const json = JSON.parse(text); + const choices = json.choices as Array<{ + delta: { content: string }; + }>; + const delta = choices[0]?.delta?.content; + if (delta) { + remainText += delta; + } + } catch (e) { + console.error("[Request] parse error", text, msg); + } + }, + onclose() { + finish(); + }, + onerror(e) { + options.onError?.(e); + throw e; + }, + openWhenHidden: true, + }); + } else { + const res = await fetch(chatPath, chatPayload); + clearTimeout(requestTimeoutId); + + const resJson = await res.json(); + const message = this.extractMessage(resJson); + options.onFinish(message); + } + } catch (e) { + console.log("[Request] failed to make a chat request", e); + options.onError?.(e as Error); + } + } + async usage() { + return { + used: 0, + total: 0, + }; + } + + async models(): Promise { + return []; + } +} +export { ByteDance }; diff --git a/app/components/exporter.tsx b/app/components/exporter.tsx index 7281fc2f1..1cc531eb8 100644 --- a/app/components/exporter.tsx +++ b/app/components/exporter.tsx @@ -321,6 +321,8 @@ export function PreviewActions(props: { api = new ClientApi(ModelProvider.GeminiPro); } else if (config.modelConfig.providerName == ServiceProvider.Anthropic) { api = new ClientApi(ModelProvider.Claude); + } else if (config.modelConfig.providerName == ServiceProvider.ByteDance) { + api = new ClientApi(ModelProvider.Doubao); } else { api = new ClientApi(ModelProvider.GPT); } diff --git a/app/components/home.tsx b/app/components/home.tsx index addb5e803..7da20df22 100644 --- a/app/components/home.tsx +++ b/app/components/home.tsx @@ -175,6 +175,8 @@ export function useLoadData() { api = new ClientApi(ModelProvider.GeminiPro); } else if (config.modelConfig.providerName == ServiceProvider.Anthropic) { api = new ClientApi(ModelProvider.Claude); + } else if (config.modelConfig.providerName == ServiceProvider.ByteDance) { + api = new ClientApi(ModelProvider.Doubao); } else { api = new ClientApi(ModelProvider.GPT); } diff --git a/app/config/server.ts b/app/config/server.ts index b7c85ce6a..d50dbf1a1 100644 --- a/app/config/server.ts +++ b/app/config/server.ts @@ -32,6 +32,10 @@ declare global { GOOGLE_API_KEY?: string; GOOGLE_URL?: string; + // bytedance only + BYTEDANCE_URL?: string; + BYTEDANCE_API_KEY?: string; + // google tag manager GTM_ID?: string; @@ -92,6 +96,7 @@ export const getServerSideConfig = () => { const isAzure = !!process.env.AZURE_URL; const isGoogle = !!process.env.GOOGLE_API_KEY; const isAnthropic = !!process.env.ANTHROPIC_API_KEY; + const isBytedance = !!process.env.BYTEDANCE_API_KEY; // const apiKeyEnvVar = process.env.OPENAI_API_KEY ?? ""; // const apiKeys = apiKeyEnvVar.split(",").map((v) => v.trim()); @@ -126,6 +131,10 @@ export const getServerSideConfig = () => { gtmId: process.env.GTM_ID, + isBytedance, + bytedanceApiKey: getApiKey(process.env.BYTEDANCE_API_KEY), + bytedanceUrl: process.env.BYTEDANCE_URL, + needCode: ACCESS_CODES.size > 0, code: process.env.CODE, codes: ACCESS_CODES, diff --git a/app/constant.ts b/app/constant.ts index d44b5b817..1ed292d21 100644 --- a/app/constant.ts +++ b/app/constant.ts @@ -14,6 +14,8 @@ export const ANTHROPIC_BASE_URL = "https://api.anthropic.com"; export const GEMINI_BASE_URL = "https://generativelanguage.googleapis.com/"; +export const BYTEDANCE_BASE_URL = "https://ark.cn-beijing.volces.com"; + export enum Path { Home = "/", Chat = "/chat", @@ -28,6 +30,7 @@ export enum ApiPath { Azure = "/api/azure", OpenAI = "/api/openai", Anthropic = "/api/anthropic", + ByteDance = "/api/bytedance", } export enum SlotID { @@ -71,12 +74,14 @@ export enum ServiceProvider { Azure = "Azure", Google = "Google", Anthropic = "Anthropic", + ByteDance = "ByteDance", } export enum ModelProvider { GPT = "GPT", GeminiPro = "GeminiPro", Claude = "Claude", + Doubao = "Doubao", } export const Anthropic = { @@ -104,6 +109,11 @@ export const Google = { ChatPath: (modelName: string) => `v1beta/models/${modelName}:generateContent`, }; +export const ByteDance = { + ExampleEndpoint: "https://ark.cn-beijing.volces.com/api/v3/chat/completions", + ChatPath: "/api/v3/chat/completions", +}; + export const DEFAULT_INPUT_TEMPLATE = `{{input}}`; // input / time / model / lang // export const DEFAULT_SYSTEM_TEMPLATE = ` // You are ChatGPT, a large language model trained by {{ServiceProvider}}. @@ -173,6 +183,8 @@ const anthropicModels = [ "claude-3-5-sonnet-20240620", ]; +const bytedanceModels = ["ep-20240520082937-424bw=Doubao-lite-4k"]; + export const DEFAULT_MODELS = [ ...openaiModels.map((name) => ({ name, @@ -210,6 +222,15 @@ export const DEFAULT_MODELS = [ providerType: "anthropic", }, })), + ...bytedanceModels.map((name) => ({ + name, + available: true, + provider: { + id: "bytedance", + providerName: "ByteDance", + providerType: "bytedance", + }, + })), ] as const; export const CHAT_PAGE_SIZE = 15; diff --git a/app/store/access.ts b/app/store/access.ts index 03780779e..b04748b8c 100644 --- a/app/store/access.ts +++ b/app/store/access.ts @@ -47,6 +47,10 @@ const DEFAULT_ACCESS_STATE = { anthropicApiVersion: "2023-06-01", anthropicUrl: "", + // bytedance + bytedanceApiKey: "", + bytedanceUrl: "", + // server config needCode: true, hideUserApiKey: false, @@ -83,6 +87,10 @@ export const useAccessStore = createPersistStore( return ensure(get(), ["anthropicApiKey"]); }, + isValidByteDance() { + return ensure(get(), ["bytedanceApiKey"]); + }, + isAuthorized() { this.fetch(); @@ -92,6 +100,7 @@ export const useAccessStore = createPersistStore( this.isValidAzure() || this.isValidGoogle() || this.isValidAnthropic() || + this.isValidByteDance() || !this.enabledAccessControl() || (this.enabledAccessControl() && ensure(get(), ["accessCode"])) ); diff --git a/app/store/chat.ts b/app/store/chat.ts index 44d41830a..475d436d9 100644 --- a/app/store/chat.ts +++ b/app/store/chat.ts @@ -368,6 +368,8 @@ export const useChatStore = createPersistStore( api = new ClientApi(ModelProvider.GeminiPro); } else if (modelConfig.providerName == ServiceProvider.Anthropic) { api = new ClientApi(ModelProvider.Claude); + } else if (modelConfig.providerName == ServiceProvider.ByteDance) { + api = new ClientApi(ModelProvider.Doubao); } else { api = new ClientApi(ModelProvider.GPT); } @@ -552,6 +554,8 @@ export const useChatStore = createPersistStore( api = new ClientApi(ModelProvider.GeminiPro); } else if (modelConfig.providerName == ServiceProvider.Anthropic) { api = new ClientApi(ModelProvider.Claude); + } else if (modelConfig.providerName == ServiceProvider.ByteDance) { + api = new ClientApi(ModelProvider.Doubao); } else { api = new ClientApi(ModelProvider.GPT); }