1 files changed, 61 insertions, 0 deletions

diff --git a/g4f/Provider/ChatgptDemo.py b/g4f/Provider/ChatgptDemo.py
new file mode 100644
index 00000000..95cb9ecf
--- /dev/null
+++ b/g4f/Provider/ChatgptDemo.py
@@ -0,0 +1,61 @@
+from __future__ import annotations
+
+import time, json, re
+from aiohttp import ClientSession
+from typing import AsyncGenerator
+
+from .base_provider import AsyncGeneratorProvider
+from .helper import format_prompt
+
+class ChatgptDemo(AsyncGeneratorProvider):
+    url = "https://chat.chatgptdemo.net"
+    supports_gpt_35_turbo = True
+    working = True
+
+    @classmethod
+    async def create_async_generator(
+        cls,
+        model: str,
+        messages: list[dict[str, str]],
+        proxy: str = None,
+        **kwargs
+    ) -> AsyncGenerator:
+        headers = {
+            "authority": "chat.chatgptdemo.net",
+            "accept-language": "de-DE,de;q=0.9,en-DE;q=0.8,en;q=0.7,en-US",
+            "origin": "https://chat.chatgptdemo.net",
+            "referer": "https://chat.chatgptdemo.net/",
+            "sec-ch-ua": '"Google Chrome";v="117", "Not;A=Brand";v="8", "Chromium";v="117"',
+            "sec-ch-ua-mobile": "?0",
+            "sec-ch-ua-platform": '"Linux"',
+            "sec-fetch-dest": "empty",
+            "sec-fetch-mode": "cors",
+            "sec-fetch-site": "same-origin",
+            "user-agent": "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.0.0 Safari/537.36"
+        }
+        async with ClientSession(headers=headers) as session:
+            async with session.get(f"{cls.url}/", proxy=proxy) as response:
+                response.raise_for_status()
+                response = await response.text()
+                result = re.search(r'<div id="USERID" style="display: none">(.*?)<\/div>', response)
+                if not result:
+                    raise RuntimeError("No user id found")
+                user_id = result.group(1)
+            async with session.post(f"{cls.url}/new_chat", json={"user_id": user_id}, proxy=proxy) as response:
+                response.raise_for_status()
+                chat_id = (await response.json())["id_"]
+            if not chat_id:
+                raise RuntimeError("Could not create new chat")
+            data = {
+                "question": format_prompt(messages),
+                "chat_id": chat_id,
+                "timestamp": int(time.time()*1000),
+            }
+            async with session.post(f"{cls.url}/chat_api_stream", json=data, proxy=proxy) as response:
+                response.raise_for_status()
+                async for line in response.content:
+                    if line.startswith(b"data: "):
+                        line = json.loads(line[6:-1])
+                        chunk = line["choices"][0]["delta"].get("content")
+                        if chunk:
+                            yield chunk
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