From eee038a73e3786ee200cfbf6474fb13a92c5a6ef Mon Sep 17 00:00:00 2001
From: H Lohaus <hlohaus@users.noreply.github.com>
Date: Tue, 2 Jan 2024 14:58:28 +0100
Subject: Add GeminiProChat Provider (#1419)

* Add GeminiProChat Provider
---
 g4f/Provider/GeminiProChat.py | 56 +++++++++++++++++++++++++++++++++++++++++++
 g4f/Provider/__init__.py      |  3 ++-
 g4f/models.py                 |  6 +----
 3 files changed, 59 insertions(+), 6 deletions(-)
 create mode 100644 g4f/Provider/GeminiProChat.py

diff --git a/g4f/Provider/GeminiProChat.py b/g4f/Provider/GeminiProChat.py
new file mode 100644
index 00000000..32c86332
--- /dev/null
+++ b/g4f/Provider/GeminiProChat.py
@@ -0,0 +1,56 @@
+from __future__ import annotations
+
+import time
+from hashlib import sha256
+from aiohttp import ClientSession
+
+from ..typing import AsyncResult, Messages
+from .base_provider import AsyncGeneratorProvider
+
+
+class GeminiProChat(AsyncGeneratorProvider):
+    url = "https://geminiprochat.com"
+    working = True
+    supports_gpt_35_turbo = True
+
+    @classmethod
+    async def create_async_generator(
+        cls,
+        model: str,
+        messages: Messages,
+        proxy: str = None,
+        **kwargs
+    ) -> AsyncResult:
+        headers = {
+            "User-Agent": "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:109.0) Gecko/20100101 Firefox/119.0",
+            "Accept": "*/*",
+            "Accept-Language": "de,en-US;q=0.7,en;q=0.3",
+            "Accept-Encoding": "gzip, deflate, br",
+            "Content-Type": "text/plain;charset=UTF-8",
+            "Referer": "https://geminiprochat.com/",
+            "Origin": "https://geminiprochat.com",
+            "Sec-Fetch-Dest": "empty",
+            "Sec-Fetch-Mode": "cors",
+            "Sec-Fetch-Site": "same-origin",
+            "Connection": "keep-alive",
+            "TE": "trailers",
+        }
+        async with ClientSession(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:
+                response.raise_for_status()
+                async for chunk in response.content.iter_any():
+                    yield chunk.decode()
+                        
+def generate_signature(time: int, text: str):
+    message = f'{time}:{text}:9C4680FB-A4E1-6BC7-052A-7F68F9F5AD1F';
+    return sha256(message.encode()).hexdigest()
diff --git a/g4f/Provider/__init__.py b/g4f/Provider/__init__.py
index 9703983a..19212836 100644
--- a/g4f/Provider/__init__.py
+++ b/g4f/Provider/__init__.py
@@ -31,6 +31,8 @@ from .Chatxyz         import Chatxyz
 from .DeepInfra       import DeepInfra
 from .FakeGpt         import FakeGpt
 from .FreeGpt         import FreeGpt
+from .GeekGpt         import GeekGpt
+from .GeminiProChat   import GeminiProChat
 from .Gpt6            import Gpt6
 from .GPTalk          import GPTalk
 from .GptChatly       import GptChatly
@@ -53,7 +55,6 @@ from .Vercel          import Vercel
 from .Ylokh           import Ylokh
 from .You             import You
 from .Yqcloud         import Yqcloud
-from .GeekGpt         import GeekGpt
 from .Bestim          import Bestim
 
 import sys
diff --git a/g4f/models.py b/g4f/models.py
index 264cd40e..6103ca03 100644
--- a/g4f/models.py
+++ b/g4f/models.py
@@ -4,7 +4,6 @@ from .Provider   import RetryProvider, ProviderType
 from .Provider   import (
     Chatgpt4Online,
     ChatgptDemoAi,
-    ChatAnywhere,
     ChatgptNext,
     HuggingChat,
     ChatgptDemo,
@@ -48,8 +47,7 @@ default = Model(
         Bing,
         ChatgptAi, GptGo, GeekGpt,
         You,
-        Chatgpt4Online,
-        ChatAnywhere
+        Chatgpt4Online
     ])
 )
 
@@ -62,7 +60,6 @@ gpt_35_long = Model(
         GeekGpt, FakeGpt,
         Berlin, Koala,
         Chatgpt4Online,
-        ChatAnywhere,
         ChatgptDemoAi,
         OnlineGpt,
         ChatgptNext,
@@ -79,7 +76,6 @@ gpt_35_turbo = Model(
         GptGo, You, 
         GptForLove, ChatBase,
         Chatgpt4Online,
-        ChatAnywhere,
     ])
 )
 
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