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Add WeasyPrint PDF export for markdown files

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bruno
2026-05-26 21:22:02 -04:00
parent 9776311c20
commit c79202716c
5 changed files with 172 additions and 6 deletions
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backend/main.py
+58 -4
View File
@@ -18,7 +18,7 @@ from typing import Optional, List, Dict, Any
import frontmatter
import mistune
from fastapi import FastAPI, HTTPException, Query, Body, Depends
from fastapi import FastAPI, HTTPException, Query, Body, Depends, Response
from fastapi.staticfiles import StaticFiles
from fastapi.responses import HTMLResponse, FileResponse, Response, StreamingResponse
from pydantic import BaseModel, Field
@@ -558,7 +558,7 @@ app.add_middleware(SecurityHeadersMiddleware)
from backend.auth.router import router as auth_router
from backend.auth.middleware import require_auth, require_admin, check_vault_access
from backend.secret_redactor import redact_file_content
from backend.audit import log_file_save, log_file_delete
from backend.pdf_export import generate_pdf, build_pdf_html
from backend.share import create_share, get_share_by_token, record_access, revoke_share, list_shares
from backend.webhooks import get_webhooks, create_webhook, update_webhook, delete_webhook, dispatch_webhooks
@@ -1178,6 +1178,33 @@ async def api_file_download(vault_name: str, path: str = Query(..., description=
)
@app.get("/api/file/{vault_name}/pdf")
async def api_file_pdf(vault_name: str, path: str = Query(..., description="Relative path to file"), current_user=Depends(require_auth)):
"""Download a markdown file as PDF."""
if not check_vault_access(vault_name, current_user):
raise HTTPException(403, f"Accès refusé à la vault '{vault_name}'")
vault_data = get_vault_data(vault_name)
if not vault_data:
raise HTTPException(404, f"Vault '{vault_name}' not found")
vault_root = Path(vault_data["path"])
file_path = _resolve_safe_path(vault_root, path)
if not file_path.exists():
raise HTTPException(404, f"File not found: {path}")
try:
raw = file_path.read_text(encoding="utf-8", errors="replace")
except Exception:
raise HTTPException(500, "Cannot read file")
record_open(current_user.get("username"), vault_name, path)
raw = redact_file_content(raw, str(file_path))
post = parse_markdown_file(raw)
html = _render_markdown(post.content, vault_name, file_path)
title = post.metadata.get("title", file_path.stem)
pdf_html = build_pdf_html(html, str(title))
pdf_bytes = generate_pdf(pdf_html, str(title))
safe_name = "".join(c for c in str(title) if c.isalnum() or c in " _-.").strip() or "document"
return Response(content=pdf_bytes, media_type="application/pdf", headers={"Content-Disposition": f'attachment; filename="{safe_name}.pdf"'})
@app.put("/api/file/{vault_name}/save", response_model=FileSaveResponse)
async def api_file_save(
vault_name: str,
@@ -2834,6 +2861,34 @@ table{{border-collapse:collapse;width:100%}}th,td{{border:1px solid #ddd;padding
)
@app.get("/s/{token}/pdf")
async def public_share_pdf_download(token: str):
"""Download shared document as real PDF via WeasyPrint."""
share = get_share_by_token(token)
if not share:
raise HTTPException(404, "Share not found or expired")
vault_data = get_vault_data(share["vault"])
if not vault_data:
raise HTTPException(404, "Vault not found")
vault_root = Path(vault_data["path"])
file_path = _resolve_safe_path(vault_root, share["path"])
if not file_path.exists():
raise HTTPException(404, "File not found")
try:
raw = file_path.read_text(encoding="utf-8", errors="replace")
except Exception:
raise HTTPException(500, "Cannot read file")
record_access(token)
raw = redact_file_content(raw, str(file_path))
post = parse_markdown_file(raw)
html = _render_markdown(post.content, share["vault"], file_path)
title = post.metadata.get("title", file_path.stem)
pdf_html = build_pdf_html(html, str(title))
pdf_bytes = generate_pdf(pdf_html, str(title))
safe_name = "".join(c for c in str(title) if c.isalnum() or c in " _-.").strip() or "document"
return Response(content=pdf_bytes, media_type="application/pdf", headers={"Content-Disposition": f'attachment; filename="{safe_name}.pdf"'})
@app.get("/s/{token}")
async def public_share_view(token: str):
"""Public share view — no authentication required."""
@@ -2902,7 +2957,7 @@ body{{font-family:system-ui,-apple-system,sans-serif;background:var(--bg);color:
<svg xmlns="http://www.w3.org/2000/svg" width="15" height="15" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M21 15v4a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2v-4"/><polyline points="7 10 12 15 17 10"/><line x1="12" y1="15" x2="12" y2="3"/></svg>
.md
</button>
<button class="toolbar-btn" onclick="exportPDF()" title="Télécharger en PDF">
<button class="toolbar-btn" onclick="location.href=location.pathname+'/pdf'" title="Télécharger en PDF">
<svg xmlns="http://www.w3.org/2000/svg" width="15" height="15" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M14 2H6a2 2 0 0 0-2 2v16a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2V8z"/><polyline points="14 2 14 8 20 8"/><line x1="16" y1="13" x2="8" y2="13"/><line x1="16" y1="17" x2="8" y2="17"/><polyline points="10 9 9 9 8 9"/></svg>
PDF
</button>
@@ -2912,7 +2967,6 @@ body{{font-family:system-ui,-apple-system,sans-serif;background:var(--bg);color:
function toggleTheme(){{var t=document.documentElement;var isDark=t.dataset.theme==="dark";t.dataset.theme=isDark?"light":"dark";document.getElementById("theme-icon-dark").style.display=isDark?"none":"";document.getElementById("theme-icon-light").style.display=isDark?"":"none";localStorage.setItem("obsigate-share-theme",t.dataset.theme)}}
(function(){{var s=localStorage.getItem("obsigate-share-theme");if(!s)s="dark";document.documentElement.dataset.theme=s;var isDark=s==="dark";document.getElementById("theme-icon-dark").style.display=isDark?"":"none";document.getElementById("theme-icon-light").style.display=isDark?"none":""}})();
function exportMD(){{var t=document.getElementById("content").innerText;var b=new Blob([t],{{type:"text/markdown"}});var a=document.createElement("a");a.href=URL.createObjectURL(b);a.download="{title}.md";a.click()}}
function exportPDF(){{var w=window.open("","_blank","width=800,height=600");w.document.write("<!DOCTYPE html><html><head><meta charset=utf-8><title>{title}</title><style>body{{font-family:Georgia,serif;max-width:700px;margin:40px auto;padding:0 20px;line-height:1.7;color:#1a1a2e;font-size:13px}}h1{{font-size:22px;border-bottom:2px solid #333;padding-bottom:6px}}h2{{font-size:18px;margin-top:20px}}h3{{font-size:15px}}pre{{background:#f5f5f5;padding:10px;border-radius:4px;font-size:11px}}code{{font-size:12px;background:#f5f5f5;padding:1px 3px}}img{{max-width:100%}}blockquote{{border-left:3px solid #ccc;padding-left:12px;color:#555}}table{{border-collapse:collapse;width:100%}}th,td{{border:1px solid #ddd;padding:6px 10px}}th{{background:#f0f0f0}}@media print{{body{{margin:20px}}}}</style></head><body><h1>{title}</h1>"+document.getElementById("content").innerHTML+"</body></html>");w.document.close();w.focus();setTimeout(function(){{w.print();w.close()}},500)}}
</script></body></html>""")