mirror of
https://github.com/open-webui/open-webui
synced 2024-11-06 00:32:05 +00:00
119 lines
3.3 KiB
Python
119 lines
3.3 KiB
Python
from fastapi import APIRouter, UploadFile, File, Response
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from fastapi import Depends, HTTPException, status
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from peewee import SqliteDatabase
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from starlette.responses import StreamingResponse, FileResponse
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from pydantic import BaseModel
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from fpdf import FPDF
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import markdown
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from apps.webui.internal.db import DB
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from utils.utils import get_admin_user
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from utils.misc import calculate_sha256, get_gravatar_url
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from config import OLLAMA_BASE_URLS, DATA_DIR, UPLOAD_DIR, ENABLE_ADMIN_EXPORT
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from constants import ERROR_MESSAGES
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from typing import List
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router = APIRouter()
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@router.get("/gravatar")
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async def get_gravatar(
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email: str,
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):
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return get_gravatar_url(email)
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class MarkdownForm(BaseModel):
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md: str
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@router.post("/markdown")
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async def get_html_from_markdown(
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form_data: MarkdownForm,
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):
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return {"html": markdown.markdown(form_data.md)}
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class ChatForm(BaseModel):
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title: str
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messages: List[dict]
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@router.post("/pdf")
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async def download_chat_as_pdf(
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form_data: ChatForm,
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):
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pdf = FPDF()
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pdf.add_page()
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STATIC_DIR = "./static"
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FONTS_DIR = f"{STATIC_DIR}/fonts"
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pdf.add_font("NotoSans", "", f"{FONTS_DIR}/NotoSans-Regular.ttf")
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pdf.add_font("NotoSans", "b", f"{FONTS_DIR}/NotoSans-Bold.ttf")
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pdf.add_font("NotoSans", "i", f"{FONTS_DIR}/NotoSans-Italic.ttf")
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pdf.add_font("NotoSansKR", "", f"{FONTS_DIR}/NotoSansKR-Regular.ttf")
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pdf.add_font("NotoSansJP", "", f"{FONTS_DIR}/NotoSansJP-Regular.ttf")
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pdf.set_font("NotoSans", size=12)
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pdf.set_fallback_fonts(["NotoSansKR", "NotoSansJP"])
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pdf.set_auto_page_break(auto=True, margin=15)
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# Adjust the effective page width for multi_cell
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effective_page_width = (
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pdf.w - 2 * pdf.l_margin - 10
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) # Subtracted an additional 10 for extra padding
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# Add chat messages
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for message in form_data.messages:
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role = message["role"]
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content = message["content"]
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pdf.set_font("NotoSans", "B", size=14) # Bold for the role
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pdf.multi_cell(effective_page_width, 10, f"{role.upper()}", 0, "L")
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pdf.ln(1) # Extra space between messages
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pdf.set_font("NotoSans", size=10) # Regular for content
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pdf.multi_cell(effective_page_width, 6, content, 0, "L")
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pdf.ln(1.5) # Extra space between messages
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# Save the pdf with name .pdf
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pdf_bytes = pdf.output()
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return Response(
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content=bytes(pdf_bytes),
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media_type="application/pdf",
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headers={"Content-Disposition": f"attachment;filename=chat.pdf"},
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)
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@router.get("/db/download")
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async def download_db(user=Depends(get_admin_user)):
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if not ENABLE_ADMIN_EXPORT:
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raise HTTPException(
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status_code=status.HTTP_401_UNAUTHORIZED,
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detail=ERROR_MESSAGES.ACCESS_PROHIBITED,
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)
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if not isinstance(DB, SqliteDatabase):
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raise HTTPException(
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status_code=status.HTTP_400_BAD_REQUEST,
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detail=ERROR_MESSAGES.DB_NOT_SQLITE,
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)
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return FileResponse(
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DB.database,
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media_type="application/octet-stream",
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filename="webui.db",
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)
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@router.get("/litellm/config")
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async def download_litellm_config_yaml(user=Depends(get_admin_user)):
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return FileResponse(
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f"{DATA_DIR}/litellm/config.yaml",
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media_type="application/octet-stream",
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filename="config.yaml",
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)
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