syncing across devices and into calibre working

Author: Henri93

README.md

@@ -170,10 +170,12 @@ docker compose up -d
 
 ## KOReader Setup
 
-1. Go to: Settings > Cloud storage > Progress sync
-2. Set sync server to: `http://your-server:8080`
-3. Register or login with your credentials
-4. Enable "Auto sync" for automatic progress updates
+1. Open a book in KOReader
+2. Open the menu (swipe down from top) and tap the settings icon (wrench)
+3. Select **Progress sync** > **Custom sync server** > enter your server URL (e.g., `http://your-server:8080`)
+4. Select **Register** or **Login** and enter your credentials
+5. Select **Push progress from this device** to test
+6. *optional* Enable **Auto sync** for automatic progress updates when opening/closing books
 
 ## References
 

auth.py

@@ -1,11 +1,15 @@
 import os
+import logging
 import hashlib
 import bcrypt
 from fastapi import Header, HTTPException, Depends
 from sqlalchemy.orm import Session
 from database import get_db
 from models import User
 
+logging.basicConfig(level=logging.DEBUG)
+logger = logging.getLogger(__name__)
+
 PASSWORD_SALT = os.getenv("PASSWORD_SALT", "default-salt-change-me").encode()
 
 
@@ -31,11 +35,20 @@ def get_current_user(
     x_auth_key: str = Header(None),
     db: Session = Depends(get_db),
 ) -> User:
+    key_hint = f"'{x_auth_key[:8]}...' len={len(x_auth_key)}" if x_auth_key else "None"
+    logger.debug(f"Auth: user='{x_auth_user}' key={key_hint}")
+
     if not x_auth_user or not x_auth_key:
         raise HTTPException(status_code=401, detail="Unauthorized")
 
     user = db.query(User).filter(User.username == x_auth_user).first()
-    if not user or not verify_password(x_auth_key, user.password_hash):
+    if not user:
+        logger.debug(f"User '{x_auth_user}' not found")
+        raise HTTPException(status_code=401, detail="Unauthorized")
+
+    if not verify_password(x_auth_key, user.password_hash):
+        logger.debug(f"Password mismatch for '{x_auth_user}'")
         raise HTTPException(status_code=401, detail="Unauthorized")
 
+    logger.debug(f"Auth OK for '{x_auth_user}'")
     return user

main.py

@@ -5,7 +5,7 @@
 
 from database import get_db, init_db
 from models import User, Progress, UserCreate, ProgressUpdate, ProgressResponse
-from auth import hash_password, md5_hash, get_current_user
+from auth import hash_password, get_current_user
 
 
 @asynccontextmanager
@@ -36,7 +36,8 @@ def create_user(user: UserCreate, db: Session = Depends(get_db)):
     if existing:
         raise HTTPException(status_code=402, detail="Username already exists")
 
-    db_user = User(username=user.username, password_hash=hash_password(md5_hash(user.password)))
+    # KOReader sends password as MD5 hash during registration, so don't double-hash
+    db_user = User(username=user.username, password_hash=hash_password(user.password))
     db.add(db_user)
     db.commit()