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Restrict User from downloading document

edwsin

Hi all,
I recently just installed alfresco on windows machine, and i used the community edition with the latest version 4.2.b.
The main purpose is i would like to use the document management system, and i found 1 major issue that is not fit, which is:
1. All type of role can download the document
Is there a way on how to restrict certain role to download a document and download a folder…?

Thanks in advanced
Edwsin

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Comments

afaust

Hello,

two basic approaches are possible here:

1) Do not grant the people read permissions on the content - either they are allowed to access (and thus download) a file or not. Since Alfresco provides various ways to access content, you will find that users do find a way to download content even if the action is not available in the main UI. Only by limiting the permissions can you be certain they can't view / download content at all.
2) Change the configuration for the download action via configuration in your share-config.xml. Take a look at the documentation on how you could remove or limit the availability of an action via configuration.

Regards
Axel

edwsin

Hello,

two basic approaches are possible here:

1) Do not grant the people read permissions on the content - either they are allowed to access (and thus download) a file or not. Since Alfresco provides various ways to access content, you will find that users do find a way to download content even if the action is not available in the main UI. Only by limiting the permissions can you be certain they can't view / download content at all.
2) Change the configuration for the download action via configuration in your share-config.xml. Take a look at the documentation on how you could remove or limit the availability of an action via configuration.

Regards
Axel

hi AFaust,
Thanks for the reply,
But i could not understand the point number 2, i found the file share-config.xml but i do not know what i need to edit :roll:
Could you please kindly show me some example…?

cogitech

My company requires this feature as well, and I have seen many posts in this forum requesting it too.

I found one post with instructions on editing all sorts of files to create a custom permission for downloading. It did not work for me (I am not a programmer), and I think it is ridiculous to expect regular users to edit the code to get access to such basic functionality.

Axel,

Option 1 is unacceptable. The point is to allow specific users/groups "view only" access to the document. Your evaluation of the practicality or utility of such a feature is meaningless.

Option 2 is incomplete/insufficient. As I said, many people want/need this feature. It is unreasonable to expect Alfresco users to edit the code for such a basic feature. Either provide precise instructions of exactly what file(s) to edit (including the code replacements) or offer a script which will make the appropriate changes. Better yet, include this feature user/group management interface in the next release.

afaust

Hello,

@edwsin

You can override the configuration of the download action in share-config-custom.xml, which by default is configured as:

<action id="document-download" type="link" label="actions.document.download">
   <param name="href">{downloadUrl}</param>
</action>
‍‍‍‍‍

Now if you were to define a new business permission and assign it e.g. to the role SiteCollaboraton but not SiteConsumer (via a custom permission definition XML), you can use that to restrict the download action to those who have that custom permission. In the simplest of cases, this only requires a simple change, e.g.:

<action id="document-download" type="link" label="actions.document.download">
   <param name="href">{downloadUrl}</param>
   <permissions>
      <permission allow="true">Name_of_your_Download_Permission</permission>
   </permissions>
</action>
‍‍‍‍‍‍‍‍

Please bear in mind, that this only affects the Share UI and other interfaces (WebDAV, CIFS, FTP, IMAP etc.) won't care a bit about your permission.
Now, the "Read" permission can actually be sub-divided into "ReadProperties" and "ReadContent", where only the latter is required for downloading files via any interface. Although it is technically possible to only assign the "ReadProperties" permission to a user / group, so that the file can be seen but not downloaded, this is not recommended. Since the read-permissions are very low-level, a lot of other functionality (from Alfresco as well as the community), relies on the standard behavior to function correctly. If you break up "ReadProperties" and "ReadContent", you may be faced with significant side effects.

Regards
Axel

=======

It is unreasonable to expect Alfresco users to edit the code for such a basic feature.

This question was asked in the "Developer Discussions" forum. I do expect Alfresco developers to edit code for basic customizations and assume anyone here to be a developer unless stated otherwise, like you did.

Either provide precise instructions of exactly what file(s) to edit (including the code replacements) or offer a script which will make the appropriate changes.

I have indicated a resource where relevant instructions and documentation can be found. Now I am glad to assist in any follow-up questions, but do not see myself as a free-to-hire developer that has to present a ready-to-use solution, especially if I don't know enough about the application context to do so.

Better yet, include this feature user/group management interface in the next release.

This is primarily a community forum for exchanging ideas or requesting help from fellow members of the community. I am not an Alfresco employee and have no say in the development plans for the product. If you'd like to request a feature from Alfresco, please feel free to raise an "Improvement" in the official Alfresco JIRA, which tracks concrete requests from the user / developer community and is open for input from anyone.

njk84sg

Hi Axel, I am unable to find the share-config-custom.xml file in the working Alfresco folder containing the code snippet that you mentioned.

Please advice. Thank you.

BTW, the version I am using is 4.2.e-2 thanks.

gfard

Dear all,

I would like to inform me if the following case can be implemented.
I would like to achieve a workflow structure for deny or approve downloading of some assets [ex. images] for a User group.
They will ask the Admin whether to download or not download the file.

Thanks a lot for your time.

mrsoto

Hello, AFrust

I'was exited because I was changed the correct files adding permissions to download document action, but, the document viewer has an additional download button and folders/documents selected in the library browser let download selected documents and folders as a zip.

Where can I change permissions related to this download button?

Alfresco 4.2.f community

Update:

I found a solution for limit download in library browser in the forum [1], this let limit download in document list but the additional (not in actions) download button persist.

My changes was:

       <multi-select>
-         <action type="action-link" id="onActionDownload" label="menu.selected-items.download" />
-         <action type="action-link" id="onActionCopyTo" label="menu.selected-items.copy" />
+         <action type="action-link" id="onActionDownload" permission="Write" label="menu.selected-items.download" />
+        <action type="action-link" id="onActionMultiDownload" permission="Write" label="menu.selected-items.multidownload" />
+         <action type="action-link" id="onActionCopyTo" permission="Write" label="menu.selected-items.copy" />
          <action type="action-link" id="onActionMoveTo" permission="Delete" label="menu.selected-items.move"/>
          <action type="action-link" id="onActionAssignWorkflow" asset="document" label="menu.selected-items.assign-workflow"/>
          <action type="action-link" id="onActionDelete" permission="Delete" label="menu.selected-items.delete"/>
‍‍‍‍‍‍‍‍‍‍‍

1: https://forums.alfresco.com/forum/installation-upgrades-configuration-integration/configuration/how-restrict-download-zip