From 9ff384978c569de6876d162eacc643672157a028 Mon Sep 17 00:00:00 2001
From: kqlio67 <kqlio67@users.noreply.github.com>
Date: Fri, 27 Sep 2024 00:08:56 +0300
Subject: feat(g4f/Provider/AIChatFree.py): add AIChatFree provider

---
 docs/providers-and-models.md |  1 +
 g4f/Provider/AIChatFree.py   | 76 ++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 77 insertions(+)
 create mode 100644 g4f/Provider/AIChatFree.py

diff --git a/docs/providers-and-models.md b/docs/providers-and-models.md
index b284a5bb..a3bd591d 100644
--- a/docs/providers-and-models.md
+++ b/docs/providers-and-models.md
@@ -11,6 +11,7 @@
 |Website|Provider|Text Model|Image Model|Vision Model|Stream|Status|Auth|
 |--|--|--|--|--|--|--|--|
 |[chat.ai365vip.com](https://chat.ai365vip.com)|`g4f.Provider.AI365VIP`|`gpt-3.5-turbo, gpt-4o`|❌|❌|?|![Cloudflare](https://img.shields.io/badge/Cloudflare-f48d37)|❌|
+|[aichatfree.info](https://aichatfree.info)|`g4f.Provider.AIChatFree`|`gemini-pro`|❌|❌|✔|[Active](https://img.shields.io/badge/Active-brightgreen)|❌|
 |[aichatonline.org](https://aichatonline.org)|`g4f.Provider.AiChatOnline`|`gpt-4o-mini`|❌|❌|?|![Cloudflare](https://img.shields.io/badge/Cloudflare-f48d37)|❌|
 |[ai-chats.org](https://ai-chats.org)|`g4f.Provider.AiChats`|`gpt-4`|`dalle`|❌|?|![Captcha](https://img.shields.io/badge/Captcha-f48d37)|❌|
 |[api.airforce](https://api.airforce)|`g4f.Provider.Airforce`|`llama-2-13b, llama-3-70b, llama-3-8b, llama-3.1-405b, llama-3.1-70b, llama-3.1-8b, mixtral-8x7b, mixtral-8x22b, mistral-7b, mixtral-8x7b-dpo, qwen-1.5-72b, qwen-1.5-110b, qwen-2-72b, gemma-2b, gemma-2b-9b, gemma-2b-27b, deepseek, yi-34b, wizardlm-2-8x22b, solar-10-7b, sh-n-7b, sparkdesk-v1.1,gpt-4o, gpt-4o-mini, gpt-3.5-turbo, gemini-flash, gemini-pro, dbrx-instruct`|`flux, flux-realism', flux-anime, flux-3d, flux-disney, flux-pixel, flux-4o, any-dark, dalle-3`|❌|✔|![Active](https://img.shields.io/badge/Active-brightgreen)|❌|
diff --git a/g4f/Provider/AIChatFree.py b/g4f/Provider/AIChatFree.py
new file mode 100644
index 00000000..71c04681
--- /dev/null
+++ b/g4f/Provider/AIChatFree.py
@@ -0,0 +1,76 @@
+from __future__ import annotations
+
+import time
+from hashlib import sha256
+
+from aiohttp import BaseConnector, ClientSession
+
+from ..errors import RateLimitError
+from ..requests import raise_for_status
+from ..requests.aiohttp import get_connector
+from ..typing import AsyncResult, Messages
+from .base_provider import AsyncGeneratorProvider, ProviderModelMixin
+
+
+class AIChatFree(AsyncGeneratorProvider, ProviderModelMixin):
+    url = "https://aichatfree.info/"
+    working = True
+    supports_stream = True
+    supports_message_history = True
+    default_model = 'gemini-pro'
+
+    @classmethod
+    async def create_async_generator(
+        cls,
+        model: str,
+        messages: Messages,
+        proxy: str = None,
+        connector: BaseConnector = None,
+        **kwargs,
+    ) -> AsyncResult:
+        headers = {
+            "User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:122.0) Gecko/20100101 Firefox/122.0",
+            "Accept": "*/*",
+            "Accept-Language": "en-US,en;q=0.5",
+            "Accept-Encoding": "gzip, deflate, br",
+            "Content-Type": "text/plain;charset=UTF-8",
+            "Referer": f"{cls.url}/",
+            "Origin": cls.url,
+            "Sec-Fetch-Dest": "empty",
+            "Sec-Fetch-Mode": "cors",
+            "Sec-Fetch-Site": "same-origin",
+            "Connection": "keep-alive",
+            "TE": "trailers",
+        }
+        async with ClientSession(
+            connector=get_connector(connector, proxy), headers=headers
+        ) as session:
+            timestamp = int(time.time() * 1e3)
+            data = {
+                "messages": [
+                    {
+                        "role": "model" if message["role"] == "assistant" else "user",
+                        "parts": [{"text": message["content"]}],
+                    }
+                    for message in messages
+                ],
+                "time": timestamp,
+                "pass": None,
+                "sign": generate_signature(timestamp, messages[-1]["content"]),
+            }
+            async with session.post(
+                f"{cls.url}/api/generate", json=data, proxy=proxy
+            ) as response:
+                if response.status == 500:
+                    if "Quota exceeded" in await response.text():
+                        raise RateLimitError(
+                            f"Response {response.status}: Rate limit reached"
+                        )
+                await raise_for_status(response)
+                async for chunk in response.content.iter_any():
+                    yield chunk.decode(errors="ignore")
+
+
+def generate_signature(time: int, text: str, secret: str = ""):
+    message = f"{time}:{text}:{secret}"
+    return sha256(message.encode()).hexdigest()
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