Added load balancer, MongoDB, improved proxy streaming support, more error messages, entire new world order

.gitignore

@@ -1,3 +1,12 @@
+providers/*
+providers/
+chat_providers/*
+chat_providers/
+
+secret/*
+secret/
+/secret
+
 *.db
 *.sqlite3
 *.sql

Dockerfile

@@ -1,17 +0,0 @@
-# 
-FROM python:3.10
-
-# 
-WORKDIR /code
-
-# 
-COPY ./requirements.txt /code/requirements.txt
-
-# 
-RUN pip install . pip install --no-cache-dir --upgrade -r /code/requirements.txt
-
-# 
-COPY ./app /code/app
-
-# 
-CMD ["uvicorn", "api.main:app", "--host", "0.0.0.0", "--port", "2333"]

api/__main__.py

@@ -0,0 +1 @@
+import providers.__main__

api/chat_balancing.py

@@ -0,0 +1,30 @@
+import random
+import asyncio
+
+import chat_providers
+
+provider_modules = [
+    # chat_providers.twa,
+    chat_providers.quantum,
+    # chat_providers.churchless,
+    chat_providers.closed
+]
+
+async def balance(payload: dict) -> dict:
+    providers_available = []
+
+    for provider_module in provider_modules:
+        if payload['stream'] and not provider_module.STREAMING:
+            continue
+        
+        if payload['model'] not in provider_module.MODELS:
+            continue
+
+        providers_available.append(provider_module)
+
+    provider = random.choice(providers_available)
+    return provider.chat_completion(**payload)
+
+if __name__ == '__main__':
+    req = asyncio.run(balance(payload={'model': 'gpt-3.5-turbo', 'stream': True}))
+    print(req['url'])

api/core.py

@@ -4,7 +4,7 @@ import os
 import json
 import fastapi
 
-import users
+from db import users
 
 from dotenv import load_dotenv
 
@@ -24,10 +24,11 @@ async def get_users(discord_id: int, incoming_request: fastapi.Request):
     if auth_error:
         return auth_error
 
-    user = await users.get_user(by_discord_id=discord_id)
+    user = await users.by_discord_id(discord_id)
 
     if not user:
         return fastapi.Response(status_code=404, content='User not found.')
+
     return user
 
 @router.post('/users')
@@ -43,6 +44,5 @@ async def create_user(incoming_request: fastapi.Request):
     except (json.decoder.JSONDecodeError, AttributeError):
         return fastapi.Response(status_code=400, content='Invalid or no payload received.')
     
-    user = await users.add_user(discord_id=discord_id)
-
+    user = await users.create(discord_id)
     return user

api/db/logs.py

@@ -0,0 +1,57 @@
+import os
+import bson
+import datetime
+
+from dotenv import load_dotenv
+from motor.motor_asyncio import AsyncIOMotorClient
+
+load_dotenv()
+
+def _get_mongo(collection_name: str):
+    return AsyncIOMotorClient(os.getenv('MONGO_URI'))['nova-core'][collection_name]
+
+async def log_api_request(user, request, target_url):
+    payload = await request.json()
+
+    last_prompt = None
+    if 'messages' in payload:
+        last_prompt = payload['messages'][-1]['content']
+
+    model = None
+    if 'model' in payload:
+        model = payload['model']
+
+    new_log_item = {
+        'timestamp': bson.timestamp.Timestamp(datetime.datetime.now(), 0),
+        'method': request.method,
+        'path': request.url.path,
+        'user_id': user['_id'],
+        'security': {
+            'ip': request.client.host,
+            'useragent': request.headers.get('User-Agent')
+        },
+        'details': {
+            'model': model,
+            'last_prompt': last_prompt,
+            'target_url': target_url
+        }
+    }
+
+    inserted = await _get_mongo('logs').insert_one(new_log_item)
+    log_item = await _get_mongo('logs').find_one({'_id': inserted.inserted_id})
+    return log_item
+
+async def by_id(log_id: str):
+    return await _get_mongo('logs').find_one({'_id': log_id})
+
+async def by_user_id(user_id: str):
+    return await _get_mongo('logs').find({'user_id': user_id})
+
+async def delete_by_id(log_id: str):
+    return await _get_mongo('logs').delete_one({'_id': log_id})
+
+async def delete_by_user_id(user_id: str):
+    return await _get_mongo('logs').delete_many({'user_id': user_id})
+
+if __name__ == '__main__':
+    pass

api/db/users.py

@@ -0,0 +1,67 @@
+import os
+import random
+import string
+import asyncio
+
+from dotenv import load_dotenv
+from motor.motor_asyncio import AsyncIOMotorClient
+
+load_dotenv()
+
+def _get_mongo(collection_name: str):
+    return AsyncIOMotorClient(os.getenv('MONGO_URI'))['nova-core'][collection_name]
+
+async def create(discord_id: int=0) -> dict:
+    """Adds a new user to the MongoDB collection."""
+    chars = string.ascii_letters + string.digits
+
+    infix = os.getenv('KEYGEN_INFIX')
+    suffix = ''.join(random.choices(chars, k=20))
+    prefix = ''.join(random.choices(chars, k=20))
+
+    new_api_key = f'nv-{prefix}{infix}{suffix}'
+
+    new_user = {
+        'api_key': new_api_key,
+        'credits': 1000,
+        'role': '',
+        'status': {
+            'active': True,
+            'ban_reason': '',
+        },
+        'auth': {
+            'discord': discord_id,
+            'github': None
+        }
+    }
+
+    await _get_mongo('users').insert_one(new_user)
+
+    user = await _get_mongo('users').find_one({'api_key': new_api_key})	
+    return user
+
+async def by_id(user_id: str):
+    return await _get_mongo('users').find_one({'_id': user_id})
+
+async def by_discord_id(discord_id: str):
+    return await _get_mongo('users').find_one({'auth.discord': discord_id})
+
+async def by_api_key(key: str):
+    return await _get_mongo('users').find_one({'api_key': key})
+
+async def update_by_id(user_id: str, update):
+    return await _get_mongo('users').update_one({'_id': user_id}, update)
+
+async def update_by_filter(obj_filter, update):
+    return await _get_mongo('users').update_one(obj_filter, update)
+
+async def delete(user_id: str):
+    await _get_mongo('users').delete_one({'_id': user_id})
+
+
+async def demo():
+    user = await create(69420)
+    print(user)
+
+if __name__ == '__main__':
+    asyncio.run(demo())

api/helpers/exceptions.py

@@ -0,0 +1,2 @@
+class Retry(Exception):
+    """The server should retry the request."""

api/helpers/requesting.py

@@ -1,35 +0,0 @@
-"""Manages web requests."""
-
-import os
-
-from dotenv import load_dotenv
-from typing import Union, Optional
-
-load_dotenv()
-
-EXCLUDED_HEADERS = [
-    'content-encoding',
-    'content-length',
-    'transfer-encoding',
-    'connection'
-]
-
-class Request:
-    def __init__(self,
-        url: str,
-        method: str='GET',
-        payload: Optional[Union[dict, list]]=None,
-        headers: dict={
-            'Content-Type': 'application/json'
-        }
-    ):
-        self.method = method.upper()
-        self.url = url.replace('/v1/v1', '/v1')
-        self.payload = payload
-        self.headers = headers
-        self.timeout = int(os.getenv('TRANSFER_TIMEOUT', '120'))
-
-class HTTPXRequest(Request):
-    def __init__(self, url: str, *args, **kwargs):
-        super().__init__(url, *args, **kwargs)
-        self.url += '?httpx=1'

api/main.py

@@ -7,9 +7,10 @@ from fastapi.middleware.cors import CORSMiddleware
 from dotenv import load_dotenv
 
 import core
-import users
 import transfer
 
+from db import users
+
 load_dotenv()
 
 app = fastapi.FastAPI()
@@ -26,7 +27,9 @@ app.include_router(core.router)
 
 @app.on_event('startup')
 async def startup_event():
-    await users.prepare()
+    # DATABASE FIX https://stackoverflow.com/questions/65970988/python-mongodb-motor-objectid-object-is-not-iterable-error-while-trying-to-f
+    import pydantic, bson
+    pydantic.json.ENCODERS_BY_TYPE[bson.objectid.ObjectId]=str
 
 @app.get('/')
 async def root():
@@ -39,4 +42,4 @@ async def root():
         'github': 'https://github.com/novaoss/nova-api'
     }
 
-app.add_route('/{path:path}', transfer.handle_api_request, ['GET', 'POST', 'PUT', 'DELETE', 'PATCH'])
+app.add_route('/{path:path}', transfer.handle, ['GET', 'POST', 'PUT', 'DELETE', 'PATCH'])

api/netclient.py

@@ -1,32 +1,42 @@
 import os
-import httpx
+import requests
+
+from dotenv import load_dotenv
 
 import proxies
 
-from dotenv import load_dotenv
-from helpers.requesting import Request
+from helpers import exceptions
 
 load_dotenv()
 
-async def stream_closedai_request(request: Request):
-    async with httpx.AsyncClient(
-        # proxies=proxies.default_proxy.urls_httpx,
-        timeout=httpx.Timeout(request.timeout)
-    ) as client:
+async def stream(request: dict):
     headers = {
-            'Content-Type': 'application/json',
-            'Authorization': f'Bearer {os.getenv("CLOSEDAI_KEY")}'
+        'Content-Type': 'application/json'
     }
-        response = await client.request(
-            method=request.method,
-            url=request.url,
-            json=request.payload,
-            headers=headers
+
+    for k, v in request.get('headers', {}).items():
+        headers[k] = v
+
+    for _ in range(3):
+        response = requests.request(
+            method=request.get('method', 'POST'),
+            url=request['url'],
+            json=request.get('payload', {}),
+            headers=headers,
+            timeout=int(os.getenv('TRANSFER_TIMEOUT', '120')),
+            proxies=proxies.default_proxy.urls,
+            stream=True
         )
 
+        try:
             response.raise_for_status()
+        except Exception as exc:
+            if str(exc) == '429 Client Error: Too Many Requests for url: https://api.openai.com/v1/chat/completions':
+                continue
+        else:
+            break
 
-        async for chunk in response.aiter_bytes():
+    for chunk in response.iter_lines():
         chunk = f'{chunk.decode("utf8")}\n\n'
         yield chunk
 

api/proxies.py

@@ -86,10 +86,33 @@ def test_httpx():
 
     print(default_proxy.proxies)
 
+    with httpx.Client(
+        # proxies=default_proxy.proxies
+    ) as client:
+        return client.get('https://checkip.amazonaws.com').text.strip()
+
+def test_httpx_workaround():
+    import httpx
+
+    print(default_proxy.proxies)
+
+    # this workaround solves the RNDS issue, but fails for Cloudflare protected websites
     with httpx.Client(proxies=default_proxy.proxies, headers={'Host': 'checkip.amazonaws.com'}) as client:
         return client.get(
         f'http://{socket.gethostbyname("checkip.amazonaws.com")}/',
     ).text.strip()
 
+def test_requests():
+    import requests
+
+    print(default_proxy.proxies)
+
+    return requests.get(
+        timeout=5,
+        url='https://checkip.amazonaws.com/',
+        proxies=default_proxy.urls
+    ).text.strip()
+
 if __name__ == '__main__':
     print(test_httpx())
+    # print(test_requests())

api/transfer.py

@@ -2,12 +2,16 @@
 
 import os
 import json
-import tokens
 import logging
 import starlette
 
 from dotenv import load_dotenv
-from helpers import requesting, tokens, errors
+
+import netclient
+import chat_balancing
+
+from db import logs, users
+from helpers import tokens, errors, exceptions
 
 load_dotenv()
 
@@ -20,12 +24,10 @@ logging.basicConfig(
 
 logging.info('API started')
 
-DEFAULT_ENDPOINT = os.getenv('CLOSEDAI_ENDPOINT')
-
-async def handle_api_request(incoming_request, target_endpoint: str=DEFAULT_ENDPOINT):
+async def handle(incoming_request):
     """Transfer a streaming response from the incoming request to the target endpoint"""
 
-    target_url = f'{target_endpoint}{incoming_request.url.path}'
+    path = incoming_request.url.path
 
     if incoming_request.method not in ['GET', 'POST', 'PUT', 'DELETE', 'PATCH']:
         return errors.error(405, f'Method "{incoming_request.method}" is not allowed.', 'Change the request method to the correct one.')
@@ -37,35 +39,54 @@ async def handle_api_request(incoming_request, target_endpoint: str=DEFAULT_ENDP
 
     try:
         input_tokens = tokens.count_for_messages(payload['messages'])
-    except:
+    except (KeyError, TypeError):
         input_tokens = 0
 
     auth_header = incoming_request.headers.get('Authorization')
 
     if not auth_header:
-        return errors.error(401, 'No NovaOSS API key given!', 'Add "Authorization: Bearer nv-..." to your request headers.')
+        return errors.error(401, 'No NovaAI API key given!', 'Add "Authorization: Bearer nv-..." to your request headers.')
 
     received_key = auth_header
 
     if auth_header.startswith('Bearer '):
         received_key = auth_header.split('Bearer ')[1]
 
-    user = users.get_user(by_api_key=received_key)
+    user = await users.by_api_key(received_key)
 
     if not user:
-        return errors.error(401, 'Invalid NovaOSS API key!', 'Create a new NovaOSS API key.')
+        return errors.error(401, 'Invalid NovaAI API key!', 'Create a new NovaOSS API key.')
 
-    if not user['active']:
-        return errors.error(403, 'Your account is not active.', 'Activate your account.')
+    ban_reason = user['status']['ban_reason']
+    if ban_reason:
+        return errors.error(403, f'Your NovaAI account has been banned. Reason: "{ban_reason}".', 'Contact the staff for an appeal.')
 
-    logging.info(f'[%s] %s -> %s', incoming_request.method, incoming_request.url.path, target_url)
+    if not user['status']['active']:
+        return errors.error(418, 'Your NovaAI account is not active (paused).', 'Simply re-activate your account using a Discord command or the web panel.')
 
-    request = requesting.Request(
-        url=target_url,
-        payload=payload,
-        method=incoming_request.method,
-    )
+    payload['user'] = str(user['_id'])
 
-    return starlette.responses.StreamingResponse(
-        content=netclient.stream_closedai_request(request)
-    )
+    cost = 1
+
+    if '/chat/completions' in path:
+        cost = 5
+
+        if 'gpt-4' in payload['model']:
+            cost = 10
+
+    else:
+        return errors.error(404, f'Sorry, we don\'t support "{path}" yet. We\'re working on it.', 'Contact our team.')
+
+    if not payload.get('stream') is True:
+        payload['stream'] = False
+
+    if user['credits'] < cost:
+        return errors.error(429, 'Not enough credits.', 'You do not have enough credits to complete this request.')
+
+    await users.update_by_id(user['_id'], {'$inc': {'credits': -cost}})
+
+    target_request = await chat_balancing.balance(payload)
+
+    print(target_request['url'])
+
+    return starlette.responses.StreamingResponse(netclient.stream(target_request))

api/users.py

@@ -1,117 +0,0 @@
-import os
-import uuid
-import time
-import string
-import random
-import asyncio
-
-from dotenv import load_dotenv
-from motor.motor_asyncio import AsyncIOMotorClient
-
-from rich import print
-
-load_dotenv()
-
-MONGO_URI = os.getenv('MONGO_URI')
-MONGO_DB_NAME = 'users'
-
-def get_mongo(collection_name):
-    client = AsyncIOMotorClient(MONGO_URI)
-    db = client[MONGO_DB_NAME]
-    return db[collection_name]
-
-async def prepare() -> None:
-    """Create the MongoDB collection."""
-
-    collection = get_mongo('users')
-
-    await collection.create_index('id', unique=True)
-    await collection.create_index('discord_id', unique=True)
-    await collection.create_index('api_key', unique=True)
-
-async def add_user(discord_id: int = 0, tags: list = None) -> dict:
-    """Adds a new user to the MongoDB collection."""
-
-    chars = string.ascii_letters + string.digits
-
-    infix = os.getenv('KEYGEN_INFIX')
-    suffix = ''.join(random.choices(chars, k=20))
-    prefix = ''.join(random.choices(chars, k=20))
-
-    key = f'nv-{prefix}{infix}{suffix}'
-
-    tags = tags or []
-    new_user = {
-        'id': str(uuid.uuid4()),
-        'api_key': key,
-        'created_at': int(time.time()),
-        'ban_reason': '',
-        'active': True,
-        'discord_id': discord_id,
-        'credit': 0,
-        'tags': '/'.join(tags),
-        'usage': {
-            'events': [],
-            'num_tokens': 0
-        }
-    }
-
-    collection = get_mongo('users')
-    await collection.insert_one(new_user)
-
-    return new_user
-
-async def get_user(by_id: str = '', by_discord_id: int = 0, by_api_key: str = ''):
-    """Retrieve a user from the MongoDB collection."""
-
-    collection = get_mongo('users')
-    query = {
-        '$or': [
-            {'id': by_id},
-            {'discord_id': by_discord_id},
-            {'api_key': by_api_key},
-        ]
-    }
-    return await collection.find_one(query)
-
-async def get_all_users():
-    """Retrieve all users from the MongoDB collection."""
-
-    collection = get_mongo('users')
-    return list(await collection.find())
-
-async def user_used_api(user_id: str, num_tokens: int = 0, model='', ip_address: str = '', user_agent: str = '') -> None:
-    """Update the stats of a user."""
-
-    collection = get_mongo('users')
-    user = await get_user(by_id=user_id)
-
-    if not user:
-        raise ValueError('User not found.')
-
-    usage = user['usage']
-    usage['events'].append({
-        'timestamp': time.time(),
-        'ip_address': ip_address,
-        'user_agent': user_agent,
-        'model': model,
-        'num_tokens': num_tokens
-    })
-
-    usage['num_tokens'] += num_tokens
-
-    await collection.update_one({'id': user_id}, {'$set': {'usage': usage}})
-
-async def demo():
-    await prepare()
-
-    example_id = 133769420
-    user = await get_user(by_discord_id=example_id)
-    print(user)
-    uid = await user['id']
-
-    await user_used_api(uid, model='gpt-5', num_tokens=42, ip_address='9.9.9.9', user_agent='Mozilla/5.0')
-    # print(user)
-
-if __name__ == '__main__':
-    asyncio.run(demo())

tests/__main__.py

@@ -10,15 +10,21 @@ from dotenv import load_dotenv
 load_dotenv()
 
 MODEL = 'gpt-3.5-turbo'
+# MESSAGES = [
+#     {
+#         'role': 'system',
+#         'content': 'Always answer with "3", no matter what the user asks for. No exceptions. Just answer with the number "3". Nothing else. Just "3". No punctuation.'
+#     },
+#     {
+#         'role': 'user',
+#         'content': '1+1=',
+#     },
+# ]
 MESSAGES = [
-    {
-        'role': 'system',
-        'content': 'Always answer with "3", no matter what the user asks for. No exceptions. Just answer with the number "3". Nothing else. Just "3". No punctuation.'
-    },
     {
         'role': 'user',
         'content': '1+1=',
-    },
+    }
 ]
 
 api_endpoint = 'http://localhost:2332'
@@ -36,7 +42,7 @@ def test_api(model: str=MODEL, messages: List[dict]=None) -> dict:
 
     headers = {
         'Content-Type': 'application/json',
-        'Authorization': 'Bearer ' + os.getenv('DEMO_AUTH', 'nv-API-TEST'),
+        'Authorization': 'Bearer ' + api_key
     }
 
     json_data = {
@@ -59,23 +65,28 @@ def test_library():
     """Tests if the api_endpoint is working with the Python library."""
 
     closedai.api_base = api_endpoint
-    closedai.api_key = os.getenv('DEMO_AUTH', 'nv-LIB-TEST')
+    closedai.api_key = api_key
 
     completion = closedai.ChatCompletion.create(
         model=MODEL,
         messages=MESSAGES,
-        stream=True,
+        stream=True
     )
 
-    return completion.choices[0]
+    for event in completion:
+        try:
+            print(event['choices'][0]['delta']['content'])
+        except:
+            print('-')
 
 def test_all():
     """Runs all tests."""
 
     # print(test_server())
-    print(test_api())
-    # print(test_library())
+    # print(test_api())
+    print(test_library())
 
 if __name__ == '__main__':
-    # api_endpoint = 'https://api.nova-oss.com'
+    api_endpoint = 'https://api.nova-oss.com'
+    api_key = os.getenv('TEST_NOVA_KEY')
     test_all()