3 files changed, 155 insertions, 0 deletions

diff --git a/g4f/Provider/Berlin.py b/g4f/Provider/Berlin.py
new file mode 100644
index 00000000..bfdb1ef0
--- /dev/null
+++ b/g4f/Provider/Berlin.py
@@ -0,0 +1,78 @@
+from __future__ import annotations
+
+import secrets
+import uuid
+import json
+from aiohttp import ClientSession
+
+from ..typing import AsyncResult, Messages
+from .base_provider import AsyncGeneratorProvider
+from .helper import format_prompt
+
+
+class Berlin(AsyncGeneratorProvider):
+    url = "https://ai.berlin4h.top"
+    working = True
+    supports_gpt_35_turbo = True
+    _token = None
+
+    @classmethod
+    async def create_async_generator(
+        cls,
+        model: str,
+        messages: Messages,
+        proxy: str = None,
+        **kwargs
+    ) -> AsyncResult:
+        if not model:
+            model = "gpt-3.5-turbo"
+        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",
+            "Referer": f"{cls.url}/",
+            "Content-Type": "application/json",
+            "Origin": cls.url,
+            "Alt-Used": "ai.berlin4h.top",
+            "Connection": "keep-alive",
+            "Sec-Fetch-Dest": "empty",
+            "Sec-Fetch-Mode": "cors",
+            "Sec-Fetch-Site": "same-origin",
+            "Pragma": "no-cache",
+            "Cache-Control": "no-cache",
+            "TE": "trailers",
+        }
+        async with ClientSession(headers=headers) as session:
+            if not cls._token:
+                data = {
+                    "account": '免费使用GPT3.5模型@163.com',
+                    "password": '659e945c2d004686bad1a75b708c962f'
+                }
+                async with session.post(f"{cls.url}/api/login", json=data, proxy=proxy) as response:
+                    response.raise_for_status()
+                    cls._token = (await response.json())["data"]["token"]
+            headers = {
+                "token": cls._token
+            }
+            prompt = format_prompt(messages)
+            data = {
+                "prompt": prompt,
+                "parentMessageId": str(uuid.uuid4()),
+                "options": {
+                    "model": model,
+                    "temperature": 0,
+                    "presence_penalty": 0,
+                    "frequency_penalty": 0,
+                    "max_tokens": 1888,
+                    **kwargs
+                },
+            }
+            async with session.post(f"{cls.url}/api/chat/completions", json=data, proxy=proxy, headers=headers) as response:
+                response.raise_for_status()
+                async for chunk in response.content:
+                    if chunk.strip():
+                        try:
+                            yield json.loads(chunk)["content"]
+                        except:
+                            raise RuntimeError(f"Response: {chunk.decode()}")
diff --git a/g4f/Provider/Koala.py b/g4f/Provider/Koala.py
new file mode 100644
index 00000000..70a40882
--- /dev/null
+++ b/g4f/Provider/Koala.py
@@ -0,0 +1,71 @@
+from __future__ import annotations
+
+import random
+import string
+import json
+from aiohttp import ClientSession
+
+from ..typing import AsyncResult, Messages
+from .base_provider import AsyncGeneratorProvider
+
+class Koala(AsyncGeneratorProvider):
+    url = "https://koala.sh"
+    supports_gpt_35_turbo = True
+    supports_message_history = True
+    working = True
+
+    @classmethod
+    async def create_async_generator(
+        cls,
+        model: str,
+        messages: Messages,
+        proxy: str = None,
+        **kwargs
+    ) -> AsyncResult:
+        if not model:
+            model = "gpt-3.5-turbo"
+        headers = {
+            "User-Agent": "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:109.0) Gecko/20100101 Firefox/119.0",
+            "Accept": "text/event-stream",
+            "Accept-Language": "de,en-US;q=0.7,en;q=0.3",
+            "Accept-Encoding": "gzip, deflate, br",
+            "Referer": f"{cls.url}/chat",
+            "Content-Type": "application/json",
+            "Flag-Real-Time-Data": "false",
+            "Visitor-ID": random_string(),
+            "Origin": cls.url,
+            "Alt-Used": "koala.sh",
+            "Connection": "keep-alive",
+            "Sec-Fetch-Dest": "empty",
+            "Sec-Fetch-Mode": "cors",
+            "Sec-Fetch-Site": "same-origin",
+            "Pragma": "no-cache",
+            "Cache-Control": "no-cache",
+            "TE": "trailers",
+        }
+        async with ClientSession(headers=headers) as session:
+            data = {
+                "input": messages[-1]["content"],
+                "inputHistory": [
+                    message["content"]
+                    for message in messages
+                    if message["role"] == "user"
+                ],
+                "outputHistory": [
+                    message["content"]
+                    for message in messages
+                    if message["role"] == "assistant"
+                ],
+                "model": model,
+            }
+            async with session.post(f"{cls.url}/api/gpt/", json=data, proxy=proxy) as response:
+                response.raise_for_status()
+                async for chunk in response.content:
+                    if chunk.startswith(b"data: "):
+                        yield json.loads(chunk[6:])
+
+
+def random_string(length: int = 20):
+    return ''.join(random.choice(
+        string.ascii_letters + string.digits
+    ) for _ in range(length))
\ No newline at end of file
diff --git a/g4f/Provider/__init__.py b/g4f/Provider/__init__.py
index 1dd603b1..a72db45c 100644
--- a/g4f/Provider/__init__.py
+++ b/g4f/Provider/__init__.py
@@ -6,6 +6,7 @@ from .Aichat          import Aichat
 from .Ails            import Ails
 from .AItianhu        import AItianhu
 from .AItianhuSpace   import AItianhuSpace
+from .Berlin          import Berlin
 from .Bing            import Bing
 from .ChatBase        import ChatBase
 from .ChatForAi       import ChatForAi
@@ -26,6 +27,7 @@ from .GptForLove      import GptForLove
 from .GptGo           import GptGo
 from .GptGod          import GptGod
 from .Hashnode        import Hashnode
+from .Koala           import Koala
 from .Liaobots        import Liaobots
 from .Llama2          import Llama2
 from .MyShell         import MyShell
@@ -59,6 +61,7 @@ class ProviderUtils:
         'AsyncProvider': AsyncProvider,
         'Bard': Bard,
         'BaseProvider': BaseProvider,
+        'Berlin': Berlin,
         'Bing': Bing,
         'ChatBase': ChatBase,
         'ChatForAi': ChatForAi,
@@ -89,6 +92,7 @@ class ProviderUtils:
         'H2o': H2o,
         'HuggingChat': HuggingChat,
         'Komo': Komo,
+        'Koala': Koala,
         'Liaobots': Liaobots,
         'Llama2': Llama2,
         'Lockchat': Lockchat,
@@ -135,6 +139,7 @@ __all__ = [
     'AItianhuSpace',
     'Aivvm',
     'Bard',
+    'Berlin',
     'Bing',
     'ChatBase',
     'ChatForAi',
@@ -162,6 +167,7 @@ __all__ = [
     'Hashnode',
     'H2o',
     'HuggingChat',
+    'Koala',
     'Liaobots',
     'Llama2',
     'Lockchat',