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GeminiBot commited on 14 days ago

Commit

783fb1f

1 Parent(s): a521d64

Update diagnostic logs and stabilize fetch

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Files changed (1) hide show

src/duckai.ts +50 -35

src/duckai.ts CHANGED Viewed

@@ -1,51 +1,66 @@
-import { gotScraping } from 'got-scraping';
 import { JSDOM } from "jsdom";
 import { createHash } from "node:crypto";
 export class DuckAI {
   private async solveChallenge(vqdHash: string, ua: string): Promise<string> {
-    const jsScript = Buffer.from(vqdHash, 'base64').toString('utf-8');
-    const dom = new JSDOM(`<!DOCTYPE html><html><body></body></html>`, { runScripts: 'dangerously' });
-    dom.window.top.__DDG_BE_VERSION__ = 1;
-    dom.window.top.__DDG_FE_CHAT_HASH__ = 1;
-    const result = await dom.window.eval(jsScript) as any;
-    result.client_hashes[0] = ua;
-    result.client_hashes = result.client_hashes.map((t: string) => {
-      const hash = createHash('sha256');
-      hash.update(t);
-      return hash.digest('base64');
-    });
-    return btoa(JSON.stringify(result));
   }
   async chat(request: any): Promise<string> {
     try {
-      // gotScraping автоматически подберет идеальные заголовки и TLS отпечаток
-      // под каждый запрос, имитируя случайный современный браузер.
-      // 1. Получаем токен
-      const statusRes = await gotScraping.get("https://duckduckgo.com/duckchat/v1/status?q=1", {
-        headers: { "x-vqd-accept": "1" }
-      });
-      const ua = statusRes.request.options.headers['user-agent'] as string;
-      const hashHeader = statusRes.headers["x-vqd-hash-1"] as string;
       const solvedVqd = await this.solveChallenge(hashHeader, ua);
       // 2. Делаем запрос в чат
-      const chatRes = await gotScraping.post("https://duckduckgo.com/duckchat/v1/chat", {
         headers: {
           "x-vqd-hash-1": solvedVqd,
-          "content-type": "application/json",
-          "accept": "text/event-stream"
         },
-        json: request,
-        retry: { limit: 2 } // Авто-повтор при сбоях
       });
-      const text = chatRes.body;
       let llmResponse = "";
       const lines = text.split("\n");
       for (const line of lines) {
@@ -56,11 +71,11 @@ export class DuckAI {
           } catch (e) {}
         }
       }
-      return llmResponse.trim() || "⚠️ Пустой ответ от ИИ.";
-    } catch (error) {
-      console.error("Scraping Error:", error);
-      return "⚠️ Ошибка маскировки. Попробуйте еще раз.";
     }
   }
-}

 import { JSDOM } from "jsdom";
 import { createHash } from "node:crypto";
+import UserAgent from "user-agents";
 export class DuckAI {
   private async solveChallenge(vqdHash: string, ua: string): Promise<string> {
+    try {
+      const jsScript = Buffer.from(vqdHash, 'base64').toString('utf-8');
+      const dom = new JSDOM(`<!DOCTYPE html><html><body></body></html>`, { runScripts: 'dangerously' });
+      dom.window.top.__DDG_BE_VERSION__ = 1;
+      dom.window.top.__DDG_FE_CHAT_HASH__ = 1;
+      const result = await dom.window.eval(jsScript) as any;
+      result.client_hashes[0] = ua;
+      result.client_hashes = result.client_hashes.map((t: string) => {
+        const hash = createHash('sha256');
+        hash.update(t);
+        return hash.digest('base64');
+      });
+      return btoa(JSON.stringify(result));
+    } catch (e: any) {
+      throw new Error("Challenge Solver Error: " + e.message);
+    }
   }
   async chat(request: any): Promise<string> {
+    const ua = new UserAgent({ deviceCategory: 'desktop' }).toString();
+    const headers: any = {
+      "User-Agent": ua,
+      "Accept": "text/event-stream",
+      "Accept-Language": "en-US,en;q=0.9",
+      "Referer": "https://duckduckgo.com/",
+      "Origin": "https://duckduckgo.com",
+      "x-vqd-accept": "1"
+    };
     try {
+      // 1. Получаем статус
+      const statusRes = await fetch("https://duckduckgo.com/duckchat/v1/status?q=1", { headers });
+      if (!statusRes.ok) throw new Error(`DDG Status Fail: ${statusRes.status}`);
+      const hashHeader = statusRes.headers.get("x-vqd-hash-1");
+      if (!hashHeader) throw new Error("Missing x-vqd-hash-1 header");
       const solvedVqd = await this.solveChallenge(hashHeader, ua);
       // 2. Делаем запрос в чат
+      const chatRes = await fetch("https://duckduckgo.com/duckchat/v1/chat", {
+        method: "POST",
         headers: {
+          ...headers,
           "x-vqd-hash-1": solvedVqd,
+          "Content-Type": "application/json"
         },
+        body: JSON.stringify(request)
       });
+      if (!chatRes.ok) {
+        const errText = await chatRes.text();
+        throw new Error(`DDG Chat Fail: ${chatRes.status} - ${errText.substring(0, 100)}`);
+      }
+      const text = await chatRes.text();
       let llmResponse = "";
       const lines = text.split("\n");
       for (const line of lines) {
           } catch (e) {}
         }
       }
+      return llmResponse.trim() || "⚠️ Пустой ответ от DDG.";
+    } catch (error: any) {
+      console.error("Scraping Detail:", error.message);
+      return `⚠️ Ошибка бэкенда: ${error.message}`;
     }
   }
+}