Update api/utils.py

api/utils.py

@@ -1,227 +1,271 @@
-from datetime import datetime
-import json
-import uuid
-import asyncio
-import random
-import string
-from typing import Any, Dict, Optional
-
-import httpx
-from fastapi import HTTPException
-from api.config import (
-    MODEL_MAPPING,
-    get_headers_api_chat,
-    get_headers_chat,
-    BASE_URL,
-    AGENT_MODE,
-    TRENDING_AGENT_MODE,
-    MODEL_PREFIXES,
-    MODEL_REFERERS
-)
-from api.models import ChatRequest
-from api.logger import setup_logger
-
-logger = setup_logger(__name__)
-
-# Helper function to create a random alphanumeric chat ID
-def generate_chat_id(length: int = 7) -> str:
-    characters = string.ascii_letters + string.digits
-    return ''.join(random.choices(characters, k=length))
-
-# Helper function to create chat completion data
-def create_chat_completion_data(
-    content: str, model: str, timestamp: int, finish_reason: Optional[str] = None
-) -> Dict[str, Any]:
-    return {
-        "id": f"chatcmpl-{uuid.uuid4()}",
-        "object": "chat.completion.chunk",
-        "created": timestamp,
-        "model": model,
-        "choices": [
-            {
-                "index": 0,
-                "delta": {"content": content, "role": "assistant"},
-                "finish_reason": finish_reason,
-            }
-        ],
-        "usage": None,
-    }
-
-# Function to convert message to dictionary format, ensuring base64 data and optional model prefix
-def message_to_dict(message, model_prefix: Optional[str] = None):
-    content = message.content if isinstance(message.content, str) else message.content[0]["text"]
-    if model_prefix:
-        content = f"{model_prefix} {content}"
-    if isinstance(message.content, list) and len(message.content) == 2 and "image_url" in message.content[1]:
-        # Ensure base64 images are always included for all models
-        return {
-            "role": message.role,
-            "content": content,
-            "data": {
-                "imageBase64": message.content[1]["image_url"]["url"],
-                "fileText": "",
-                "title": "snapshot",
-            },
-        }
-    return {"role": message.role, "content": content}
-
-# Function to strip model prefix from content if present
-def strip_model_prefix(content: str, model_prefix: Optional[str] = None) -> str:
-    """Remove the model prefix from the response content if present."""
-    if model_prefix and content.startswith(model_prefix):
-        logger.debug(f"Stripping prefix '{model_prefix}' from content.")
-        return content[len(model_prefix):].strip()
-    return content
-
-# Function to get the correct referer URL for logging
-def get_referer_url(chat_id: str, model: str) -> str:
-    """Generate the referer URL based on specific models listed in MODEL_REFERERS."""
-    if model in MODEL_REFERERS:
-        return f"{BASE_URL}/chat/{chat_id}?model={model}"
-    return BASE_URL
-
-# Process streaming response with headers from config.py
-async def process_streaming_response(request: ChatRequest):
-    chat_id = generate_chat_id()
-    referer_url = get_referer_url(chat_id, request.model)
-    logger.info(f"Generated Chat ID: {chat_id} - Model: {request.model} - URL: {referer_url}")
-
-    agent_mode = AGENT_MODE.get(request.model, {})
-    trending_agent_mode = TRENDING_AGENT_MODE.get(request.model, {})
-    model_prefix = MODEL_PREFIXES.get(request.model, "")
-
-    headers_api_chat = get_headers_api_chat(referer_url)
-
-    if request.model == 'o1-preview':
-        delay_seconds = random.randint(1, 60)
-        logger.info(f"Introducing a delay of {delay_seconds} seconds for model 'o1-preview' (Chat ID: {chat_id})")
-        await asyncio.sleep(delay_seconds)
-
-    json_data = {
-        "agentMode": agent_mode,
-        "clickedAnswer2": False,
-        "clickedAnswer3": False,
-        "clickedForceWebSearch": False,
-        "codeModelMode": True,
-        "githubToken": None,
-        "id": chat_id,
-        "isChromeExt": False,
-        "isMicMode": False,
-        "maxTokens": request.max_tokens,
-        "messages": [message_to_dict(msg, model_prefix=model_prefix) for msg in request.messages],
-        "mobileClient": False,
-        "playgroundTemperature": request.temperature,
-        "playgroundTopP": request.top_p,
-        "previewToken": None,
-        "trendingAgentMode": trending_agent_mode,
-        "userId": None,
-        "userSelectedModel": MODEL_MAPPING.get(request.model, request.model),
-        "userSystemPrompt": None,
-        "validated": "69783381-2ce4-4dbd-ac78-35e9063feabc",
-        "visitFromDelta": False,
-    }
-
-    async with httpx.AsyncClient() as client:
-        try:
-            async with client.stream(
-                "POST",
-                f"{BASE_URL}/api/chat",
-                headers=headers_api_chat,
-                json=json_data,
-                timeout=100,
-            ) as response:
-                response.raise_for_status()
-                async for line in response.aiter_lines():
-                    timestamp = int(datetime.now().timestamp())
-                    if line:
-                        content = line
-                        if content.startswith("$@$v=undefined-rv1$@$"):
-                            content = content[21:]
-                        cleaned_content = strip_model_prefix(content, model_prefix)
-                        yield f"data: {json.dumps(create_chat_completion_data(cleaned_content, request.model, timestamp))}\n\n"
-
-                yield f"data: {json.dumps(create_chat_completion_data('', request.model, timestamp, 'stop'))}\n\n"
-                yield "data: [DONE]\n\n"
-        except httpx.HTTPStatusError as e:
-            logger.error(f"HTTP error occurred for Chat ID {chat_id}: {e}")
-            raise HTTPException(status_code=e.response.status_code, detail=str(e))
-        except httpx.RequestError as e:
-            logger.error(f"Error occurred during request for Chat ID {chat_id}: {e}")
-            raise HTTPException(status_code=500, detail=str(e))
-
-# Process non-streaming response with headers from config.py
-async def process_non_streaming_response(request: ChatRequest):
-    chat_id = generate_chat_id()
-    referer_url = get_referer_url(chat_id, request.model)
-    logger.info(f"Generated Chat ID: {chat_id} - Model: {request.model} - URL: {referer_url}")
-
-    agent_mode = AGENT_MODE.get(request.model, {})
-    trending_agent_mode = TRENDING_AGENT_MODE.get(request.model, {})
-    model_prefix = MODEL_PREFIXES.get(request.model, "")
-
-    headers_api_chat = get_headers_api_chat(referer_url)
-    headers_chat = get_headers_chat(referer_url, next_action=str(uuid.uuid4()), next_router_state_tree=json.dumps([""]))
-
-    if request.model == 'o1-preview':
-        delay_seconds = random.randint(20, 60)
-        logger.info(f"Introducing a delay of {delay_seconds} seconds for model 'o1-preview' (Chat ID: {chat_id})")
-        await asyncio.sleep(delay_seconds)
-
-    json_data = {
-        "agentMode": agent_mode,
-        "clickedAnswer2": False,
-        "clickedAnswer3": False,
-        "clickedForceWebSearch": False,
-        "codeModelMode": True,
-        "githubToken": None,
-        "id": chat_id,
-        "isChromeExt": False,
-        "isMicMode": False,
-        "maxTokens": request.max_tokens,
-        "messages": [message_to_dict(msg, model_prefix=model_prefix) for msg in request.messages],
-        "mobileClient": False,
-        "playgroundTemperature": request.temperature,
-        "playgroundTopP": request.top_p,
-        "previewToken": None,
-        "trendingAgentMode": trending_agent_mode,
-        "userId": None,
-        "userSelectedModel": MODEL_MAPPING.get(request.model, request.model),
-        "userSystemPrompt": None,
-        "validated": "69783381-2ce4-4dbd-ac78-35e9063feabc",
-        "visitFromDelta": False,
-    }
-
-    full_response = ""
-    async with httpx.AsyncClient() as client:
-        try:
-            async with client.stream(
-                method="POST", url=f"{BASE_URL}/api/chat", headers=headers_api_chat, json=json_data
-            ) as response:
-                response.raise_for_status()
-                async for chunk in response.aiter_text():
-                    full_response += chunk
-        except httpx.HTTPStatusError as e:
-            logger.error(f"HTTP error occurred for Chat ID {chat_id}: {e}")
-            raise HTTPException(status_code=e.response.status_code, detail=str(e))
-        except httpx.RequestError as e:
-            logger.error(f"Error occurred during request for Chat ID {chat_id}: {e}")
-            raise HTTPException(status_code=500, detail=str(e))
-    if full_response.startswith("$@$v=undefined-rv1$@$"):
-        full_response = full_response[21:]
-
-    cleaned_full_response = strip_model_prefix(full_response, model_prefix)
-
-    return {
-        "id": f"chatcmpl-{uuid.uuid4()}",
-        "object": "chat.completion",
-        "created": int(datetime.now().timestamp()),
-        "model": request.model,
-        "choices": [
-            {
-                "index": 0,
-                "message": {"role": "assistant", "content": cleaned_full_response},
-                "finish_reason": "stop",
-            }
-        ],
-        "usage": None,
-    }
+from datetime import datetime
+import json
+import uuid
+import asyncio
+import random
+import string
+from typing import Any, Dict, Optional
+
+import httpx
+from fastapi import HTTPException
+from api.config import (
+    MODEL_MAPPING,
+    BASE_URL,
+    AGENT_MODE,
+    TRENDING_AGENT_MODE,
+)
+from api.models import ChatRequest
+from api.logger import setup_logger
+
+logger = setup_logger(__name__)
+
+# Helper function to create a random alphanumeric chat ID
+def generate_chat_id(length: int = 7) -> str:
+    characters = string.ascii_letters + string.digits
+    return ''.join(random.choices(characters, k=length))
+
+# Helper function to create chat completion data
+def create_chat_completion_data(
+    content: str, model: str, timestamp: int, finish_reason: Optional[str] = None
+) -> Dict[str, Any]:
+    return {
+        "id": f"chatcmpl-{uuid.uuid4()}",
+        "object": "chat.completion.chunk",
+        "created": timestamp,
+        "model": model,
+        "choices": [
+            {
+                "index": 0,
+                "delta": {"content": content, "role": "assistant"},
+                "finish_reason": finish_reason,
+            }
+        ],
+        "usage": None,
+    }
+
+# Function to convert message to dictionary format, ensuring base64 data
+def message_to_dict(message):
+    if isinstance(message.content, str):
+        content = message.content
+    elif isinstance(message.content, list) and len(message.content) > 0:
+        content = message.content[0].get("text", "")
+    else:
+        content = ""
+    
+    if isinstance(message.content, list) and len(message.content) == 2 and "image_url" in message.content[1]:
+        # Ensure base64 images are always included for all models
+        return {
+            "role": message.role,
+            "content": content,
+            "data": {
+                "imageBase64": message.content[1]["image_url"]["url"],
+                "fileText": "",
+                "title": "snapshot",
+            },
+        }
+    return {"role": message.role, "content": content}
+
+# Function to strip model prefix from content if present
+def strip_model_prefix(content: str) -> str:
+    """Function retained but no model_prefix is used."""
+    # Since model_prefix is removed, this function can simply return content
+    return content
+
+# Function to get the correct referer URL for logging
+def get_referer_url(chat_id: str, model: str) -> str:
+    """Generate the referer URL based on specific models listed in MODEL_REFERERS."""
+    # MODEL_REFERERS has been removed; referer_url defaults to BASE_URL
+    return BASE_URL
+
+# Process streaming response without model prefixes and referers
+async def process_streaming_response(request: ChatRequest):
+    chat_id = generate_chat_id()
+    referer_url = get_referer_url(chat_id, request.model)
+    logger.info(f"Generated Chat ID: {chat_id} - Model: {request.model} - URL: {referer_url}")
+
+    agent_mode = AGENT_MODE.get(request.model, {})
+    trending_agent_mode = TRENDING_AGENT_MODE.get(request.model, {})
+    
+    headers_api_chat = {
+        'accept': '*/*',
+        'accept-language': 'en-US,en;q=0.9',
+        'cache-control': 'no-cache',
+        'origin': BASE_URL,
+        'pragma': 'no-cache',
+        'priority': 'u=1, i',
+        'sec-ch-ua': '"Chromium";v="130", "Google Chrome";v="130", "Not?A_Brand";v="99"',
+        'sec-ch-ua-mobile': '?0',
+        'sec-ch-ua-platform': '"Windows"',
+        'sec-fetch-dest': 'empty',
+        'sec-fetch-mode': 'cors',
+        'sec-fetch-site': 'same-origin',
+        'user-agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) '
+                      'AppleWebKit/537.36 (KHTML, like Gecko) '
+                      'Chrome/130.0.0.0 Safari/537.36',
+        'Content-Type': 'application/json',
+        'Referer': referer_url,  # Retain referer if necessary
+    }
+
+    if request.model == 'o1-preview':
+        delay_seconds = random.randint(1, 60)
+        logger.info(f"Introducing a delay of {delay_seconds} seconds for model 'o1-preview' (Chat ID: {chat_id})")
+        await asyncio.sleep(delay_seconds)
+
+    json_data = {
+        "agentMode": agent_mode,
+        "clickedAnswer2": False,
+        "clickedAnswer3": False,
+        "clickedForceWebSearch": False,
+        "codeModelMode": True,
+        "githubToken": None,
+        "id": chat_id,
+        "isChromeExt": False,
+        "isMicMode": False,
+        "maxTokens": request.max_tokens,
+        "messages": [message_to_dict(msg) for msg in request.messages],
+        "mobileClient": False,
+        "playgroundTemperature": request.temperature,
+        "playgroundTopP": request.top_p,
+        "previewToken": None,
+        "trendingAgentMode": trending_agent_mode,
+        "userId": None,
+        "userSelectedModel": MODEL_MAPPING.get(request.model, request.model),
+        "userSystemPrompt": None,
+        "validated": "69783381-2ce4-4dbd-ac78-35e9063feabc",
+        "visitFromDelta": False,
+    }
+
+    async with httpx.AsyncClient() as client:
+        try:
+            async with client.stream(
+                "POST",
+                f"{BASE_URL}/api/chat",
+                headers=headers_api_chat,
+                json=json_data,
+                timeout=100,
+            ) as response:
+                response.raise_for_status()
+                async for line in response.aiter_lines():
+                    timestamp = int(datetime.now().timestamp())
+                    if line:
+                        content = line
+                        if content.startswith("$@$v=undefined-rv1$@$"):
+                            content = content[21:]
+                        cleaned_content = strip_model_prefix(content)
+                        yield f"data: {json.dumps(create_chat_completion_data(cleaned_content, request.model, timestamp))}\n\n"
+
+                yield f"data: {json.dumps(create_chat_completion_data('', request.model, timestamp, 'stop'))}\n\n"
+                yield "data: [DONE]\n\n"
+        except httpx.HTTPStatusError as e:
+            logger.error(f"HTTP error occurred for Chat ID {chat_id}: {e}")
+            raise HTTPException(status_code=e.response.status_code, detail=str(e))
+        except httpx.RequestError as e:
+            logger.error(f"Error occurred during request for Chat ID {chat_id}: {e}")
+            raise HTTPException(status_code=500, detail=str(e))
+
+# Process non-streaming response without model prefixes and referers
+async def process_non_streaming_response(request: ChatRequest):
+    chat_id = generate_chat_id()
+    referer_url = get_referer_url(chat_id, request.model)
+    logger.info(f"Generated Chat ID: {chat_id} - Model: {request.model} - URL: {referer_url}")
+
+    agent_mode = AGENT_MODE.get(request.model, {})
+    trending_agent_mode = TRENDING_AGENT_MODE.get(request.model, {})
+    
+    headers_api_chat = {
+        'accept': '*/*',
+        'accept-language': 'en-US,en;q=0.9',
+        'cache-control': 'no-cache',
+        'origin': BASE_URL,
+        'pragma': 'no-cache',
+        'priority': 'u=1, i',
+        'sec-ch-ua': '"Chromium";v="130", "Google Chrome";v="130", "Not?A_Brand";v="99"',
+        'sec-ch-ua-mobile': '?0',
+        'sec-ch-ua-platform': '"Windows"',
+        'sec-fetch-dest': 'empty',
+        'sec-fetch-mode': 'cors',
+        'sec-fetch-site': 'same-origin',
+        'user-agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) '
+                      'AppleWebKit/537.36 (KHTML, like Gecko) '
+                      'Chrome/130.0.0.0 Safari/537.36',
+        'Content-Type': 'application/json',
+        'Referer': referer_url,  # Retain referer if necessary
+    }
+    headers_chat = {
+        'accept': '*/*',
+        'accept-language': 'en-US,en;q=0.9',
+        'cache-control': 'no-cache',
+        'content-type': 'text/plain;charset=UTF-8',
+        'origin': BASE_URL,
+        'pragma': 'no-cache',
+        'priority': 'u=1, i',
+        'Referer': referer_url,
+        'next-action': str(uuid.uuid4()),
+        'next-router-state-tree': json.dumps([""]),
+        'next-url': '/',
+    }
+
+    if request.model == 'o1-preview':
+        delay_seconds = random.randint(20, 60)
+        logger.info(f"Introducing a delay of {delay_seconds} seconds for model 'o1-preview' (Chat ID: {chat_id})")
+        await asyncio.sleep(delay_seconds)
+
+    json_data = {
+        "agentMode": agent_mode,
+        "clickedAnswer2": False,
+        "clickedAnswer3": False,
+        "clickedForceWebSearch": False,
+        "codeModelMode": True,
+        "githubToken": None,
+        "id": chat_id,
+        "isChromeExt": False,
+        "isMicMode": False,
+        "maxTokens": request.max_tokens,
+        "messages": [message_to_dict(msg) for msg in request.messages],
+        "mobileClient": False,
+        "playgroundTemperature": request.temperature,
+        "playgroundTopP": request.top_p,
+        "previewToken": None,
+        "trendingAgentMode": trending_agent_mode,
+        "userId": None,
+        "userSelectedModel": MODEL_MAPPING.get(request.model, request.model),
+        "userSystemPrompt": None,
+        "validated": "69783381-2ce4-4dbd-ac78-35e9063feabc",
+        "visitFromDelta": False,
+    }
+
+    full_response = ""
+    async with httpx.AsyncClient() as client:
+        try:
+            async with client.stream(
+                method="POST", url=f"{BASE_URL}/api/chat", headers=headers_api_chat, json=json_data
+            ) as response:
+                response.raise_for_status()
+                async for chunk in response.aiter_text():
+                    full_response += chunk
+        except httpx.HTTPStatusError as e:
+            logger.error(f"HTTP error occurred for Chat ID {chat_id}: {e}")
+            raise HTTPException(status_code=e.response.status_code, detail=str(e))
+        except httpx.RequestError as e:
+            logger.error(f"Error occurred during request for Chat ID {chat_id}: {e}")
+            raise HTTPException(status_code=500, detail=str(e))
+    
+    if full_response.startswith("$@$v=undefined-rv1$@$"):
+        full_response = full_response[21:]
+
+    cleaned_full_response = strip_model_prefix(full_response)
+
+    return {
+        "id": f"chatcmpl-{uuid.uuid4()}",
+        "object": "chat.completion",
+        "created": int(datetime.now().timestamp()),
+        "model": request.model,
+        "choices": [
+            {
+                "index": 0,
+                "message": {"role": "assistant", "content": cleaned_full_response},
+                "finish_reason": "stop",
+            }
+        ],
+        "usage": None,
+    }