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Old 11-24-2020, 04:29 PM   #1
rodvp
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Login failure with userdb with content server

I'm using a headless content server on a Raspberry Pi, and want to segregate two virtual libraries (basically so my kid can see just his books). In the past, with calibre version 2, I had 2 content servers operating on different ports, each attached to a different virtual library. But as of version 3 of calibre, this is no longer possible.

So now I've created 2 users, set their passwords, and associated them with a library via the --manage-users option. One of the users has username/password "me/me". Then started the content server with:

Code:
/usr/bin/calibre-server --port=58083 --pidfile=/data/calibre/calibrePID_x --userdb=/data/calibre/users.sqlite --access-log=/data/calibre/log --enable-auth --auth-mode=basic /data/ebook
When I try to connect, either via browser or calibre-companion, it asks for a username/password, but when I supply "me/me", I get the error message:

Code:
Failed to communicate with "/interface-data/init?1606249107278", with status: [403] Forbidden

The user me is not allowed to access any libraries on this server
I see the same message in the access log

Running calibre-server --manage-users shows:

Code:
What do you want to do? [1-4]: 2
Existing user names:
him, me
Enter the username: me

me has read-write access
1) Show password for me
2) Change password for me
3) Change read/write permission for me
4) Change the libraries me is allowed to access
5) Cancel

What do you want to do? [1-5]: 1

Current password for me is: me

me has read-write access
I am using calibre version 3.39.1, as this is all that's available for raspbian buster.

Any assistance is appreciated.
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Old 11-25-2020, 12:04 AM   #2
kovidgoyal
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I'm afraid that version of calibre is waaaaay too old. No one will remember details for it. Firs tinstall up to date calibre on your computer and see if the problem can be replicated there. If not, then switch to something like archlinuxarm on your Pi for updated calibre builds.
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Old 11-25-2020, 02:26 PM   #3
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Thanks. I figured that might be an issues. I tried building from source (both the last minor version in the 3.X line, and the most recent one) for the pi under raspbian buster, but there were a lot of issues.
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Old 11-25-2020, 05:31 PM   #4
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I'm seeing exactly the same issue with v5.5 on an ubuntu host. After creating and setting up a user db, then starting the calibre-server with authentication enabled, I'm getting the same error:

Code:
> calibre-server --userdb /tmp/users.sqlite --enable-auth --port=58083 /data/ebook

Failed to communicate with "/interface-data/init?1606339410018", with status: [403 (error)] Forbidden

The user me is not allowed to access any libraries on this server
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Old 11-25-2020, 09:43 PM   #5
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With what browser? And try using basic instead of digest auth. --auth-mode basic
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Old 11-26-2020, 01:05 PM   #6
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I've been using chrome and firefox (recent versions on ubuntu host).

I think the issue is with specifying the virtual library name in the db. I don't think I understand the syntax.

I can access the library if I allow the user "me" to access all libraries. When I access via a browser, it prompts which library I want to access, with only one shown being "ebook". Which happens to be the same name as the directory the library is sitting in - is this set somewhere explicitly?

If I give access to only library "ebook" to user "me", it also works fine. I thought the library name it was prompting for was the virtual library name, but this is evidently not the case. So the question is how to I specify the name of a virtual library in the access control list of the userdb?
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Old 11-26-2020, 10:42 PM   #7
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Use 4) per library restrictions and enter a search expression to restrict to. Virtual libraries are just search expressions.
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Old 11-27-2020, 01:48 AM   #8
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Thank you!

That did the trick.
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