When converting from ORM convert binary fields to bytes.

The problem is that some ORMs return memoryview which are more efficient but
are not supported by pydantic at the moment.

etebase_fastapi/authentication.py

@@ -63,7 +63,7 @@ class UserOut(BaseModel):
 
     @classmethod
     def from_orm(cls: t.Type["UserOut"], obj: User) -> "UserOut":
-        return cls(pubkey=obj.userinfo.pubkey, encryptedContent=obj.userinfo.encryptedContent)
+        return cls(pubkey=bytes(obj.userinfo.pubkey), encryptedContent=bytes(obj.userinfo.encryptedContent))
 
 
 class LoginOut(BaseModel):
@@ -228,14 +228,15 @@ async def is_etebase():
 
 @authentication_router.post("/login_challenge/", response_model=LoginChallengeOut)
 async def login_challenge(user: User = Depends(get_login_user)):
-    enc_key = get_encryption_key(user.userinfo.salt)
+    salt = bytes(user.userinfo.salt)
+    enc_key = get_encryption_key(salt)
     box = nacl.secret.SecretBox(enc_key)
     challenge_data = {
         "timestamp": int(datetime.now().timestamp()),
         "userId": user.id,
     }
     challenge = bytes(box.encrypt(msgpack_encode(challenge_data), encoder=nacl.encoding.RawEncoder))
-    return LoginChallengeOut(salt=user.userinfo.salt, challenge=challenge, version=user.userinfo.version)
+    return LoginChallengeOut(salt=salt, challenge=challenge, version=user.userinfo.version)
 
 
 @authentication_router.post("/login/", response_model=LoginOut)

etebase_fastapi/collection.py

@@ -58,7 +58,7 @@ class CollectionItemRevisionInOut(BaseModel):
                     chunks.append((chunk_obj.uid, f.read()))
             else:
                 chunks.append((chunk_obj.uid,))
-        return cls(uid=obj.uid, meta=obj.meta, deleted=obj.deleted, chunks=chunks)
+        return cls(uid=obj.uid, meta=bytes(obj.meta), deleted=obj.deleted, chunks=chunks)
 
 
 class CollectionItemCommon(BaseModel):
@@ -103,8 +103,8 @@ class CollectionOut(CollectionCommon):
         member: models.CollectionMember = obj.members.get(user=context.user)
         collection_type = member.collectionType
         ret = cls(
-            collectionType=collection_type and collection_type.uid,
-            collectionKey=member.encryptionKey,
+            collectionType=collection_type and bytes(collection_type.uid),
+            collectionKey=bytes(member.encryptionKey),
             accessLevel=member.accessLevel,
             stoken=obj.stoken,
             item=CollectionItemOut.from_orm_context(obj.main_item, context),

etebase_fastapi/invitation.py

@@ -32,6 +32,10 @@ class UserInfoOut(BaseModel):
     class Config:
         orm_mode = True
 
+    @classmethod
+    def from_orm(cls: t.Type["UserInfoOut"], obj: models.UserInfo) -> "UserInfoOut":
+        return cls(pubkey=bytes(obj.pubkey))
+
 
 class CollectionInvitationAcceptIn(BaseModel):
     collectionType: bytes
@@ -69,8 +73,8 @@ class CollectionInvitationOut(CollectionInvitationCommon):
             username=obj.user.username,
             collection=obj.collection.uid,
             fromUsername=obj.fromMember.user.username,
-            fromPubkey=obj.fromMember.user.userinfo.pubkey,
-            signedEncryptionKey=obj.signedEncryptionKey,
+            fromPubkey=bytes(obj.fromMember.user.userinfo.pubkey),
+            signedEncryptionKey=bytes(obj.signedEncryptionKey),
         )