matrix_chatgpt_bot/bard.py
2023-04-13 23:22:24 +08:00

103 lines
3.4 KiB
Python

"""
Code derived from: https://github.com/acheong08/Bard/blob/main/src/Bard.py
"""
import random
import string
import re
import json
import requests
class Bardbot:
"""
A class to interact with Google Bard.
Parameters
session_id: str
The __Secure-1PSID cookie.
"""
__slots__ = [
"headers",
"_reqid",
"SNlM0e",
"conversation_id",
"response_id",
"choice_id",
"session",
]
def __init__(self, session_id):
headers = {
"Host": "bard.google.com",
"X-Same-Domain": "1",
"User-Agent": "Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.114 Safari/537.36",
"Content-Type": "application/x-www-form-urlencoded;charset=UTF-8",
"Origin": "https://bard.google.com",
"Referer": "https://bard.google.com/",
}
self._reqid = int("".join(random.choices(string.digits, k=4)))
self.conversation_id = ""
self.response_id = ""
self.choice_id = ""
self.session = requests.Session()
self.session.headers = headers
self.session.cookies.set("__Secure-1PSID", session_id)
self.SNlM0e = self.__get_snlm0e()
def __get_snlm0e(self):
resp = self.session.get(url="https://bard.google.com/", timeout=10)
# Find "SNlM0e":"<ID>"
if resp.status_code != 200:
raise Exception("Could not get Google Bard")
SNlM0e = re.search(r"SNlM0e\":\"(.*?)\"", resp.text).group(1)
return SNlM0e
def ask(self, message: str) -> dict:
"""
Send a message to Google Bard and return the response.
:param message: The message to send to Google Bard.
:return: A dict containing the response from Google Bard.
"""
# url params
params = {
"bl": "boq_assistant-bard-web-server_20230326.21_p0",
"_reqid": str(self._reqid),
"rt": "c",
}
# message arr -> data["f.req"]. Message is double json stringified
message_struct = [
[message],
None,
[self.conversation_id, self.response_id, self.choice_id],
]
data = {
"f.req": json.dumps([None, json.dumps(message_struct)]),
"at": self.SNlM0e,
}
# do the request!
resp = self.session.post(
"https://bard.google.com/_/BardChatUi/data/assistant.lamda.BardFrontendService/StreamGenerate",
params=params,
data=data,
timeout=120,
)
chat_data = json.loads(resp.content.splitlines()[3])[0][2]
if not chat_data:
return {"content": f"Google Bard encountered an error: {resp.content}."}
json_chat_data = json.loads(chat_data)
results = {
"content": json_chat_data[0][0],
"conversation_id": json_chat_data[1][0],
"response_id": json_chat_data[1][1],
"factualityQueries": json_chat_data[3],
"textQuery": json_chat_data[2][0] if json_chat_data[2] is not None else "",
"choices": [{"id": i[0], "content": i[1]} for i in json_chat_data[4]],
}
self.conversation_id = results["conversation_id"]
self.response_id = results["response_id"]
self.choice_id = results["choices"][0]["id"]
self._reqid += 100000
return results