3 files changed, 91 insertions, 16 deletions

diff --git a/g4f/Provider/needs_auth/OpenaiChat.py b/g4f/Provider/needs_auth/OpenaiChat.py
index 515230f0..056a3702 100644
--- a/g4f/Provider/needs_auth/OpenaiChat.py
+++ b/g4f/Provider/needs_auth/OpenaiChat.py
@@ -24,15 +24,31 @@ except ImportError:
 from ..base_provider import AsyncGeneratorProvider, ProviderModelMixin
 from ...webdriver import get_browser
 from ...typing import AsyncResult, Messages, Cookies, ImageType, AsyncIterator
-from ...requests import DEFAULT_HEADERS, get_args_from_browser, raise_for_status
+from ...requests import get_args_from_browser, raise_for_status
 from ...requests.aiohttp import StreamSession
 from ...image import to_image, to_bytes, ImageResponse, ImageRequest
 from ...errors import MissingAuthError, ResponseError
 from ...providers.conversation import BaseConversation
 from ..helper import format_cookies
 from ..openai.har_file import getArkoseAndAccessToken, NoValidHarFileError
+from ..openai.proofofwork import generate_proof_token
 from ... import debug
 
+DEFAULT_HEADERS = {
+    "accept": "*/*",
+    "accept-encoding": "gzip, deflate, br, zstd",
+    "accept-language": "en-US,en;q=0.5",
+    "referer": "https://chat.openai.com/",
+    "sec-ch-ua": "\"Brave\";v=\"123\", \"Not:A-Brand\";v=\"8\", \"Chromium\";v=\"123\"",
+    "sec-ch-ua-mobile": "?0",
+    "sec-ch-ua-platform": "\"Windows\"",
+    "sec-fetch-dest": "empty",
+    "sec-fetch-mode": "cors",
+    "sec-fetch-site": "same-origin",
+    "sec-gpc": "1",
+    "user-agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36"
+}
+
 class OpenaiChat(AsyncGeneratorProvider, ProviderModelMixin):
     """A class for creating and managing conversations with OpenAI chat service"""
 
@@ -355,11 +371,21 @@ class OpenaiChat(AsyncGeneratorProvider, ProviderModelMixin):
                 cls._set_api_key(api_key)
 
             if cls.default_model is None and (not cls.needs_auth or cls._api_key is not None):
+                if cls._api_key is None:
+                    cls._create_request_args(cookies)
+                    async with session.get(
+                        f"{cls.url}/",
+                        headers=DEFAULT_HEADERS
+                    ) as response:
+                        cls._update_request_args(session)
+                        await raise_for_status(response)
                 try:
                     if not model:
                         cls.default_model = cls.get_model(await cls.get_default_model(session, cls._headers))
                     else:
                         cls.default_model = cls.get_model(model)
+                except MissingAuthError:
+                    pass
                 except Exception as e:
                     api_key = cls._api_key = None
                     cls._create_request_args()
@@ -395,9 +421,9 @@ class OpenaiChat(AsyncGeneratorProvider, ProviderModelMixin):
                 blob = data["arkose"]["dx"]
                 need_arkose = data["arkose"]["required"]
                 chat_token = data["token"]
-
-                if debug.logging:
-                    print(f'Arkose: {need_arkose} Turnstile: {data["turnstile"]["required"]}')
+                proofofwork = ""
+                if "proofofwork" in data:
+                    proofofwork = generate_proof_token(**data["proofofwork"], user_agent=cls._headers["user-agent"])
 
             if need_arkose and arkose_token is None:
                 arkose_token, api_key, cookies, headers = await getArkoseAndAccessToken(proxy)
@@ -405,6 +431,13 @@ class OpenaiChat(AsyncGeneratorProvider, ProviderModelMixin):
                 cls._set_api_key(api_key)
                 if arkose_token is None:
                     raise MissingAuthError("No arkose token found in .har file")
+                            
+            if debug.logging:
+                print(
+                    'Arkose:', False if not need_arkose else arkose_token[:12]+"...",
+                    'Turnstile:', data["turnstile"]["required"],
+                    'Proofofwork:', False if proofofwork is None else proofofwork[:12]+"...",
+                )
 
             try:
                 image_request = await cls.upload_image(session, cls._headers, image, image_name) if image else None
@@ -439,12 +472,14 @@ class OpenaiChat(AsyncGeneratorProvider, ProviderModelMixin):
                     messages = messages if conversation_id is None else [messages[-1]]
                     data["messages"] = cls.create_messages(messages, image_request)
                 headers = {
-                    "Accept": "text/event-stream",
-                    "OpenAI-Sentinel-Chat-Requirements-Token": chat_token,
+                    "accept": "text/event-stream",
+                    "Openai-Sentinel-Chat-Requirements-Token": chat_token,
                     **cls._headers
                 }
                 if need_arkose:
-                    headers["OpenAI-Sentinel-Arkose-Token"] = arkose_token
+                    headers["Openai-Sentinel-Arkose-Token"] = arkose_token
+                if proofofwork is not None:
+                    headers["Openai-Sentinel-Proof-Token"] = proofofwork
                 async with session.post(
                     f"{cls.url}/backend-anon/conversation" if cls._api_key is None else
                     f"{cls.url}/backend-api/conversation",
@@ -671,8 +706,6 @@ this.fetch = async (url, options) => {
         return {
             **DEFAULT_HEADERS,
             "content-type": "application/json",
-            "oai-device-id": str(uuid.uuid4()),
-            "oai-language": "en-US",
         }
 
     @classmethod
@@ -698,6 +731,8 @@ this.fetch = async (url, options) => {
     @classmethod
     def _update_cookie_header(cls):
         cls._headers["cookie"] = format_cookies(cls._cookies)
+        if "oai-did" in cls._cookies:
+            cls._headers["oai-device-id"] = cls._cookies["oai-did"]
 
 class Conversation(BaseConversation):
     """
diff --git a/g4f/Provider/openai/proofofwork.py b/g4f/Provider/openai/proofofwork.py
new file mode 100644
index 00000000..e44ef6f7
--- /dev/null
+++ b/g4f/Provider/openai/proofofwork.py
@@ -0,0 +1,39 @@
+import random
+import hashlib
+import json
+import base64
+from datetime import datetime, timedelta, timezone
+
+def generate_proof_token(required: bool, seed: str, difficulty: str, user_agent: str):
+    if not required:
+        return
+
+    cores = [8, 12, 16, 24]
+    screens = [3000, 4000, 6000]
+
+    core = random.choice(cores)
+    screen = random.choice(screens)
+
+    # Get current UTC time
+    now_utc = datetime.now(timezone.utc)
+    # Convert UTC time to Eastern Time
+    now_et = now_utc.astimezone(timezone(timedelta(hours=-5)))
+
+    parse_time = now_et.strftime('%a, %d %b %Y %H:%M:%S GMT')
+
+    config = [core + screen, parse_time, 4294705152, 0, user_agent]
+
+    diff_len = len(difficulty) // 2
+
+    for i in range(100000):
+        config[3] = i
+        json_data = json.dumps(config)
+        base = base64.b64encode(json_data.encode()).decode()
+        hash_value = hashlib.sha3_512((seed + base).encode()).digest()
+
+        if hash_value.hex()[:diff_len] <= difficulty:
+            result = "gAAAAAB" + base
+            return result
+
+    fallback_base = base64.b64encode(f'"{seed}"'.encode()).decode()
+    return "gAAAAABwQ8Lk5FbGpA2NcR9dShT6gYjU7VxZ4D" + fallback_base
diff --git a/g4f/Provider/you/har_file.py b/g4f/Provider/you/har_file.py
index 791db7f1..8089d686 100644
--- a/g4f/Provider/you/har_file.py
+++ b/g4f/Provider/you/har_file.py
@@ -85,20 +85,21 @@ async def get_telemetry_ids(proxy: str = None) -> list:
         from nodriver import start
     except ImportError:
         raise MissingRequirementsError('Add .har file from you.com or install "nodriver" package | pip install -U nodriver')
+    page = None
     try:
         browser = await start()
-        tab = browser.main_tab
-        await browser.get("https://you.com")
+        page = await browser.get("https://you.com")
 
-        while not await tab.evaluate('"GetTelemetryID" in this'):
-            await tab.sleep(1)
+        while not await page.evaluate('"GetTelemetryID" in this'):
+            await page.sleep(1)
 
         async def get_telemetry_id():
-            return await tab.evaluate(
+            return await page.evaluate(
                 f'this.GetTelemetryID("{public_token}", "{telemetry_url}");',
                 await_promise=True
             )
 
-        return [await get_telemetry_id() for _ in range(1)]
+        return [await get_telemetry_id()]
     finally:
-        await tab.close()
\ No newline at end of file
+        if page is not None:
+            await page.close()
\ No newline at end of file