fix: normalize SFTP upload path relative to SFTP_ROOT

sftp_store.py

@@ -14,7 +14,7 @@ def sftp_test() -> str:
     host = _env("SFTP_HOST")
     port = int(_env("SFTP_PORT"))
     user = _env("SFTP_USER")
-    pw   = _env("SFTP_PASS")
+    pw = _env("SFTP_PASS")
     root = _env("SFTP_ROOT").rstrip("/") or "/"
 
     transport = paramiko.Transport((host, port))
@@ -22,7 +22,6 @@ def sftp_test() -> str:
     sftp = paramiko.SFTPClient.from_transport(transport)
 
     try:
-        # verify root exists + list it
         sftp.chdir(root)
         sftp.listdir(".")
         return "sftp ok"
@@ -34,10 +33,15 @@ def sftp_test() -> str:
 
 
 def upload_bytes(remote_path: str, data: bytes) -> None:
+    """
+    Upload to SFTP_ROOT/<remote_path>.
+    remote_path should be RELATIVE (e.g. "pdfs/abc.pdf").
+    If someone passes "/inserio/pdfs/abc.pdf", we normalize it.
+    """
     host = _env("SFTP_HOST")
     port = int(_env("SFTP_PORT"))
     user = _env("SFTP_USER")
-    pw   = _env("SFTP_PASS")
+    pw = _env("SFTP_PASS")
     root = _env("SFTP_ROOT").rstrip("/") or "/"
 
     transport = paramiko.Transport((host, port))
@@ -45,18 +49,30 @@ def upload_bytes(remote_path: str, data: bytes) -> None:
     sftp = paramiko.SFTPClient.from_transport(transport)
 
     try:
+        # go to the shared root first
         sftp.chdir(root)
-        # ensure remote dirs exist
-        parts = remote_path.strip("/").split("/")[:-1]
+
+        # normalize remote_path relative to root (avoid /inserio/inserio/... double prefix)
+        root_rel = root.strip("/")
+        rp = remote_path.lstrip("/")
+        if root_rel and rp.startswith(root_rel + "/"):
+            rp = rp[len(root_rel) + 1 :]
+        remote_path = rp
+
+        # ensure directories exist (relative to root)
+        parts = remote_path.split("/")[:-1]
         cur = "."
         for part in parts:
+            if not part:
+                continue
             cur = posixpath.join(cur, part)
             try:
                 sftp.mkdir(cur)
             except Exception:
                 pass
 
-        full = posixpath.join(".", remote_path.strip("/"))
+        # write file relative to root
+        full = posixpath.join(".", remote_path)
         with sftp.open(full, "wb") as f:
             f.write(data)
     finally: