lams-github / lams_tool_whiteboard

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Saturday 01 May 2021
12:12 am

Marcin Cieslak

LDEV-5204 Introduce improved security using hashing

In vanilla Whiteboard a global access token is configured on server and

must be present in all requests made to Whiteboard. It means that anyone

can modify any whiteboard ID (wid).

In LAMS we introduce a hash of wid + accesstoken. Users do not know

access token, so they can not generate the hash for another wid.

The hash is simple Java hashCode() function, sufficient for this

situation.

The hash does not include author name as it is not present in many use

cases.

The hash optionally has a different form: source wid + wid +

accesstoken. It is when copyfromwid parameter is present. In this case

the target canvas is using standard wid and hash, but for the extra call

to source canvas we use source wid and the modified hash. This modified

hash is only usable to copy content from this particular source wid to

this particular target wid, so users can not use the hash to draw on the

source canvas.

Options
    • -1
    • +1
    ./pages/authoring/basic.jsp
    • -1
    • +1
    ./pages/learning/learning.jsp
  3. … 8 more files in changeset.
Friday 30 Apr 2021
9:53 pm

Marcin Cieslak

LDEV-5204 Add Whiteboard basic learner interface

Options
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    • +1
    ./pages/authoring/basic.jsp
    • -9
    • +11
    ./pages/learning/learning.jsp
  3. … 6 more files in changeset.
Thursday 29 Apr 2021
11:12 pm

Marcin Cieslak

LDEV-5204 Add Whiteboard configuration page in sysadmin tool management

Options
    • -0
    • +62
    ./pages/admin/config.jsp
  2. … 6 more files in changeset.
10:48 pm

Marcin Cieslak

LDEV-5204 Add Whiteboard URL and access token configuration

Options
    • -1
    • +1
    ./pages/authoring/basic.jsp
  2. … 8 more files in changeset.
9:55 pm

Marcin Cieslak

LDEV-5204 Add Whiteboard basic authoring

Whiteboard URL and access token are hardcoded at the moment.

Options
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    • +5
    ./pages/authoring/authoring.jsp
    • -0
    • +4
    ./pages/authoring/basic.jsp
  3. … 2 more files in changeset.
Wednesday 28 Apr 2021
12:20 am

Marcin Cieslak

LDEV-5204 Copy and refactor doKu code for Whiteboard use

doKu is a similar tool which hold various useful elements, like working

with an external Node server, Gallery Walk etc. Its code has been taken

and reused as a base for Whiteboard.

Options
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    ./403.jsp
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    ./404.jsp
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    ./WEB-INF/spring-servlet.xml
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    ./WEB-INF/tags/AdvancedAccordian.tag
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    ./WEB-INF/tags/Alert.tag
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    ./WEB-INF/tags/Arrow.tag
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    ./WEB-INF/tags/AuthoringButton.tag
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    ./WEB-INF/tags/AuthoringRatingAllStyleCriteria.tag
    • -0
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    ./WEB-INF/tags/AuthoringRatingCriteria.tag
    • -0
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    ./WEB-INF/tags/CKEditor.tag
    • -0
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    ./WEB-INF/tags/Comments.tag
    • -0
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    ./WEB-INF/tags/CommentsAuthor.tag
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    ./WEB-INF/tags/Date.tag
    • -0
    • +66
    ./WEB-INF/tags/DefineLater.tag
    • -0
    • +48
    ./WEB-INF/tags/Errors.tag
  16. … 93 more files in changeset.