diff options
Diffstat (limited to 'g4f/Provider/Reka.py')
| -rw-r--r-- | g4f/Provider/Reka.py | 148 |
1 files changed, 148 insertions, 0 deletions
diff --git a/g4f/Provider/Reka.py b/g4f/Provider/Reka.py new file mode 100644 index 00000000..9a6e479d --- /dev/null +++ b/g4f/Provider/Reka.py @@ -0,0 +1,148 @@ +from __future__ import annotations + +import os, requests, time, json +from ..typing import CreateResult, Messages, ImageType +from .base_provider import AbstractProvider +from ..cookies import get_cookies + +class Reka(AbstractProvider): + url = "https://chat.reka.ai/" + working = True + supports_stream = True + cookies = {} + + @classmethod + def create_completion( + cls, + model: str, + messages: Messages, + stream: bool, + proxy: str = None, + timeout: int = 180, + bearer_auth: str = None, + image: ImageType = None, **kwargs) -> CreateResult: + + cls.proxy = proxy + + if not bearer_auth: + cls.cookies = get_cookies("chat.reka.ai") + + if not cls.cookies: + raise ValueError("No cookies found for chat.reka.ai") + + elif "appSession" not in cls.cookies: + raise ValueError("No appSession found in cookies for chat.reka.ai, log in or provide bearer_auth") + + bearer_auth = cls.get_access_token(cls) + + conversation = [] + for message in messages: + conversation.append({ + "type": "human", + "text": message["content"], + }) + + if image: + image_url = cls.upload_image(cls, bearer_auth, image) + conversation[-1]["image_url"] = image_url + conversation[-1]["media_type"] = "image" + + headers = { + 'accept': '*/*', + 'accept-language': 'en,fr-FR;q=0.9,fr;q=0.8,es-ES;q=0.7,es;q=0.6,en-US;q=0.5,am;q=0.4,de;q=0.3', + 'authorization': f'Bearer {bearer_auth}', + 'cache-control': 'no-cache', + 'content-type': 'application/json', + 'origin': 'https://chat.reka.ai', + 'pragma': 'no-cache', + 'priority': 'u=1, i', + 'sec-ch-ua': '"Chromium";v="124", "Google Chrome";v="124", "Not-A.Brand";v="99"', + 'sec-ch-ua-mobile': '?0', + 'sec-ch-ua-platform': '"macOS"', + 'sec-fetch-dest': 'empty', + 'sec-fetch-mode': 'cors', + 'sec-fetch-site': 'same-origin', + 'user-agent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36', + } + + json_data = { + 'conversation_history': conversation, + 'stream': True, + 'use_search_engine': False, + 'use_code_interpreter': False, + 'model_name': 'reka-core', + 'random_seed': int(time.time() * 1000), + } + + tokens = '' + + response = requests.post('https://chat.reka.ai/api/chat', + cookies=cls.cookies, headers=headers, json=json_data, proxies=cls.proxy, stream=True) + + for completion in response.iter_lines(): + if b'data' in completion: + token_data = json.loads(completion.decode('utf-8')[5:])['text'] + + yield (token_data.replace(tokens, '')) + + tokens = token_data + + def upload_image(cls, access_token, image: ImageType) -> str: + boundary_token = os.urandom(8).hex() + + headers = { + 'accept': '*/*', + 'accept-language': 'en,fr-FR;q=0.9,fr;q=0.8,es-ES;q=0.7,es;q=0.6,en-US;q=0.5,am;q=0.4,de;q=0.3', + 'cache-control': 'no-cache', + 'authorization': f'Bearer {access_token}', + 'content-type': f'multipart/form-data; boundary=----WebKitFormBoundary{boundary_token}', + 'origin': 'https://chat.reka.ai', + 'pragma': 'no-cache', + 'priority': 'u=1, i', + 'referer': 'https://chat.reka.ai/chat/hPReZExtDOPvUfF8vCPC', + 'sec-ch-ua': '"Chromium";v="124", "Google Chrome";v="124", "Not-A.Brand";v="99"', + 'sec-ch-ua-mobile': '?0', + 'sec-ch-ua-platform': '"macOS"', + 'sec-fetch-dest': 'empty', + 'sec-fetch-mode': 'cors', + 'sec-fetch-site': 'same-origin', + 'user-agent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36', + } + + image_data = image.read() + + boundary = f'----WebKitFormBoundary{boundary_token}' + data = f'--{boundary}\r\nContent-Disposition: form-data; name="image"; filename="image.png"\r\nContent-Type: image/png\r\n\r\n' + data += image_data.decode('latin-1') + data += f'\r\n--{boundary}--\r\n' + + response = requests.post('https://chat.reka.ai/api/upload-image', + cookies=Reka.cookies, headers=headers, proxies=cls.proxy, data=data.encode('latin-1')) + + return response.json()['media_url'] + + def get_access_token(cls): + headers = { + 'accept': '*/*', + 'accept-language': 'en,fr-FR;q=0.9,fr;q=0.8,es-ES;q=0.7,es;q=0.6,en-US;q=0.5,am;q=0.4,de;q=0.3', + 'cache-control': 'no-cache', + 'pragma': 'no-cache', + 'priority': 'u=1, i', + 'referer': 'https://chat.reka.ai/chat', + 'sec-ch-ua': '"Chromium";v="124", "Google Chrome";v="124", "Not-A.Brand";v="99"', + 'sec-ch-ua-mobile': '?0', + 'sec-ch-ua-platform': '"macOS"', + 'sec-fetch-dest': 'empty', + 'sec-fetch-mode': 'cors', + 'sec-fetch-site': 'same-origin', + 'user-agent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36', + } + + try: + response = requests.get('https://chat.reka.ai/bff/auth/access_token', + cookies=cls.cookies, headers=headers) + + return response.json()['accessToken'] + + except Exception as e: + raise ValueError(f"Failed to get access token: {e}, refresh your cookies / log in into chat.reka.ai")
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