Initial commit: PDF OCR Hotfolder v0.1.0

Komplettes Rewrite des alten Bash-Tools `pdf-tool` in Python. - ocrmypdf als Library, watchdog für Hotfolder, ThreadPool für Parallelität - Upload-Targets: folder, Nextcloud (WebDAV), SFTP - E-Mail-Notify, optional veraPDF - Interaktiver Installer mit Service-User-Support (lokal + AD via SSSD) Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-04-08 00:22:31 +02:00
commit 76c3a991df
16 changed files with 1261 additions and 0 deletions
@@ -0,0 +1,104 @@
+"""Upload-Ziele: lokaler Ordner, Nextcloud (WebDAV), SFTP. Plus E-Mail-Notify."""
+from __future__ import annotations
+
+import logging
+import smtplib
+import ssl
+from email.message import EmailMessage
+from pathlib import Path
+from urllib.parse import quote
+
+import paramiko
+import requests
+
+from .config import EmailNotify, FolderUpload, NextcloudUpload, SftpUpload
+
+log = logging.getLogger(__name__)
+
+
+def upload_folder(pdf: Path, cfg: FolderUpload, default_target: Path) -> bool:
+    if not cfg.enabled:
+        return True
+    target = Path(cfg.target) if cfg.target else default_target
+    target.mkdir(parents=True, exist_ok=True)
+    dest = target / pdf.name
+    try:
+        if pdf.resolve() == dest.resolve():
+            return True
+        dest.write_bytes(pdf.read_bytes())
+        log.info("Folder upload OK: %s", dest)
+        return True
+    except OSError as e:
+        log.error("Folder upload failed: %s", e)
+        return False
+
+
+def upload_nextcloud(pdf: Path, cfg: NextcloudUpload) -> bool:
+    if not cfg.enabled:
+        return True
+    base = cfg.url.rstrip("/")
+    remote = "/".join(quote(part) for part in cfg.remote_path.strip("/").split("/") if part)
+    url = f"{base}/remote.php/dav/files/{quote(cfg.username)}/{remote}/{quote(pdf.name)}"
+    try:
+        with pdf.open("rb") as f:
+            r = requests.put(url, data=f, auth=(cfg.username, cfg.password),
+                             verify=cfg.verify_ssl, timeout=300)
+        if r.status_code in (200, 201, 204):
+            log.info("Nextcloud upload OK: %s", pdf.name)
+            return True
+        log.error("Nextcloud upload HTTP %s: %s", r.status_code, r.text[:200])
+        return False
+    except requests.RequestException as e:
+        log.error("Nextcloud upload failed: %s", e)
+        return False
+
+
+def upload_sftp(pdf: Path, cfg: SftpUpload) -> bool:
+    if not cfg.enabled:
+        return True
+    try:
+        client = paramiko.SSHClient()
+        client.set_missing_host_key_policy(paramiko.AutoAddPolicy())
+        connect_kwargs: dict = {
+            "hostname": cfg.host, "port": cfg.port, "username": cfg.username,
+            "timeout": 30,
+        }
+        if cfg.key_file:
+            connect_kwargs["key_filename"] = cfg.key_file
+        if cfg.password:
+            connect_kwargs["password"] = cfg.password
+        client.connect(**connect_kwargs)
+        sftp = client.open_sftp()
+        try:
+            remote = f"{cfg.remote_path.rstrip('/')}/{pdf.name}"
+            sftp.put(str(pdf), remote)
+            log.info("SFTP upload OK: %s", remote)
+            return True
+        finally:
+            sftp.close()
+            client.close()
+    except (paramiko.SSHException, OSError) as e:
+        log.error("SFTP upload failed: %s", e)
+        return False
+
+
+def notify_email(cfg: EmailNotify, subject: str, body: str, success: bool) -> None:
+    if not cfg.enabled or cfg.on == "never":
+        return
+    if cfg.on == "errors" and success:
+        return
+    msg = EmailMessage()
+    msg["Subject"] = subject
+    msg["From"] = cfg.from_addr
+    msg["To"] = ", ".join(cfg.to_addrs)
+    msg.set_content(body)
+    try:
+        with smtplib.SMTP(cfg.smtp_host, cfg.smtp_port, timeout=30) as s:
+            if cfg.use_starttls:
+                s.starttls(context=ssl.create_default_context())
+            if cfg.smtp_user:
+                s.login(cfg.smtp_user, cfg.smtp_password)
+            s.send_message(msg)
+        log.info("E-Mail-Notify gesendet: %s", subject)
+    except (smtplib.SMTPException, OSError) as e:
+        log.error("E-Mail-Notify fehlgeschlagen: %s", e)