use file to unlock ctx
This commit is contained in:
Archeb
@@ -1,9 +1,13 @@
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const express = require("express");
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const https = require("https");
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const FormData = require("form-data");
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const { v4: uuidv4 } = require("uuid");
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const app = express();
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const axios = require("axios");
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const port = 8080;
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const YOUCOM_COOKIE = process.env.YOUCOM_COOKIE;
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(axios.defaults.headers.common["User-Agent"] =
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"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.0.0 Safari/537.36"),
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(axios.defaults.headers.common["Cookie"] = process.env.YOUCOM_COOKIE);
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app.post("/v1/messages", (req, res) => {
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req.rawBody = "";
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@@ -13,7 +17,7 @@ app.post("/v1/messages", (req, res) => {
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req.rawBody += chunk;
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});
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req.on("end", function () {
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req.on("end", async () => {
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res.setHeader("Content-Type", "text/event-stream;charset=utf-8");
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try {
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let jsonBody = JSON.parse(req.rawBody);
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@@ -41,7 +45,7 @@ app.post("/v1/messages", (req, res) => {
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})
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);
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} else if (jsonBody.stream == true) {
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// squash messages
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// 计算用户消息长度
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let userMessage = [{ question: "", answer: "" }];
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let userQuery = "";
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let lastUpdate = true;
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@@ -67,11 +71,23 @@ app.post("/v1/messages", (req, res) => {
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}
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});
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userQuery = userMessage[userMessage.length - 1].question;
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// if (userMessage[userMessage.length - 1].answer == "") {
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// userMessage.pop();
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// }
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if (userMessage[userMessage.length - 1].answer == "") {
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userMessage.pop();
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}
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console.log(userMessage);
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// user message to plaintext
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let previousMessages = jsonBody.messages
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.map((msg) => {
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return `${msg.role}: ${msg.content}`;
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})
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.join("\n\n");
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// 只保留最后一条用户消息
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if(userMessage.length > 1) {
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userMessage = userMessage.slice(-1);
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}
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let msgid = uuidv4();
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// send message start
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@@ -92,6 +108,25 @@ app.post("/v1/messages", (req, res) => {
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);
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res.write(createEvent("content_block_start", { type: "content_block_start", index: 0, content_block: { type: "text", text: "" } }));
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res.write(createEvent("ping", { type: "ping" }));
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// GET https://you.com/api/get_nonce to get nonce
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let nonce = await axios("https://you.com/api/get_nonce").then((res) => res.data);
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if (!nonce) throw new Error("Failed to get nonce");
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// POST https://you.com/api/upload to upload user message
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const form_data = new FormData();
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messageBuffer = Buffer.from(previousMessages, "utf8");
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form_data.append("file", messageBuffer, { filename: "Previous_Conversation.txt", contentType: "text/plain" });
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let uploadedFile = await axios
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.post("https://you.com/api/upload", form_data, {
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headers: {
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...form_data.getHeaders(),
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"X-Upload-Nonce": nonce,
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},
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})
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.then((res) => res.data.filename);
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if (!uploadedFile) throw new Error("Failed to upload messages");
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// proxy response
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let youcom_params = new URLSearchParams();
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youcom_params.append("page", "0");
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@@ -104,85 +139,87 @@ app.post("/v1/messages", (req, res) => {
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youcom_params.append("conversationTurnId", msgid);
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youcom_params.append("selectedAIModel", "claude_3_opus");
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youcom_params.append("selectedChatMode", "custom");
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youcom_params.append("pastChatLength", userMessage.length - 1);
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youcom_params.append("pastChatLength", "0");
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youcom_params.append("queryTraceId", msgid);
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youcom_params.append("use_personalization_extraction", "false");
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youcom_params.append("domain", "youchat");
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youcom_params.append("responseFilter", "");
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youcom_params.append("mkt", "zh-CN");
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youcom_params.append(
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"userFiles",
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JSON.stringify([
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{
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user_filename: "Previous_Conversation.txt",
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filename: uploadedFile,
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size: messageBuffer.length,
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},
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])
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);
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youcom_params.append("chat", JSON.stringify(userMessage));
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var proxyReq = https.request(
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{
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hostname: "you.com",
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port: 443,
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method: "GET",
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path: "/api/streamingSearch?" + youcom_params.toString(),
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headers: {
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cookie: YOUCOM_COOKIE,
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"user-agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.0.0 Safari/537.36",
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accept: "text/event-stream",
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"content-type": "application/x-www-form-urlencoded",
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},
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var proxyReq = await axios({
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method: "GET",
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url: "https://you.com/api/streamingSearch?" + youcom_params.toString(),
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headers: {
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accept: "text/event-stream",
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},
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(proxyRes) => {
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let cachedLine = "";
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proxyRes.on("data", (chunk) => {
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// try to parse eventstream chunk
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chunk = chunk.toString();
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if (cachedLine) {
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chunk = cachedLine + chunk;
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cachedLine = "";
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}
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if (!chunk.endsWith("\n")) {
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const lines = chunk.split("\n");
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cachedLine = lines.pop();
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chunk = lines.join("\n");
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}
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try {
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if (chunk.indexOf("event: youChatToken\n") != -1) {
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chunk.split("\n").forEach((line) => {
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if (line.startsWith(`data: {"youChatToken"`)) {
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let data = line.substring(6);
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let json = JSON.parse(data);
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//console.log(json);
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chunkJSON = JSON.stringify({
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type: "content_block_delta",
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index: 0,
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delta: { type: "text_delta", text: json.youChatToken },
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});
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res.write(createEvent("content_block_delta", chunkJSON));
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}
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});
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}
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} catch (e) {
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console.log(e);
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}
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});
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proxyRes.on("end", () => {
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// send ending
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res.write(createEvent("content_block_stop", { type: "content_block_stop", index: 0 }));
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res.write(
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createEvent("message_delta", {
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type: "message_delta",
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delta: { stop_reason: "end_turn", stop_sequence: null },
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usage: { output_tokens: 12 },
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})
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);
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res.write(createEvent("message_stop", { type: "message_stop" }));
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res.end();
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});
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}
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);
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proxyReq.on("error", (e) => {
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responseType: "stream",
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}).catch((e) => {
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throw e;
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});
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//proxyReq.write(youcom_params.toString());
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proxyReq.end();
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let cachedLine = "";
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const stream = proxyReq.data;
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stream.on("data", (chunk) => {
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// try to parse eventstream chunk
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chunk = chunk.toString();
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if (cachedLine) {
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chunk = cachedLine + chunk;
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cachedLine = "";
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}
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if (!chunk.endsWith("\n")) {
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const lines = chunk.split("\n");
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cachedLine = lines.pop();
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chunk = lines.join("\n");
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}
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try {
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console.log(chunk);
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if (chunk.indexOf("event: youChatToken\n") != -1) {
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chunk.split("\n").forEach((line) => {
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if (line.startsWith(`data: {"youChatToken"`)) {
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let data = line.substring(6);
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let json = JSON.parse(data);
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//console.log(json);
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chunkJSON = JSON.stringify({
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type: "content_block_delta",
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index: 0,
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delta: { type: "text_delta", text: json.youChatToken },
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});
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res.write(createEvent("content_block_delta", chunkJSON));
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}
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});
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}
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} catch (e) {
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console.log(e);
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}
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});
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stream.on("end", () => {
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// send ending
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res.write(createEvent("content_block_stop", { type: "content_block_stop", index: 0 }));
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res.write(
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createEvent("message_delta", {
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type: "message_delta",
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delta: { stop_reason: "end_turn", stop_sequence: null },
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usage: { output_tokens: 12 },
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})
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);
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res.write(createEvent("message_stop", { type: "message_stop" }));
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res.end();
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});
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} else {
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throw new Error("Invalid request");
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}
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@@ -9,7 +9,9 @@
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"author": "",
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"license": "ISC",
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"dependencies": {
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"axios": "^1.6.8",
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"express": "^4.19.2",
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"form-data": "^4.0.0",
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"uuid": "^9.0.1"
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}
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}
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