nextcloud / nextcloud/server

E2E: thumbnails endpoint

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#7,318 2 comments 0 reactions 0 assignees View on GitHub

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1. to develop enhancement feature: encryption (client-side) feature: previews and thumbnails
Dominant language
PHP
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Description

In order to have previews on our mobiles of encrypted images we need to enhance our thumbnail endpoint as the server cannot generate the thumbnails:

  • client uploads file
  • client put encrypted thumbnail on thumbnail endpoint for specific file

Another client can then download the metadata file of the folder, decrypt it, download the encrypted thumbnail, decrypt & show it.

@schiessle

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by tracing the server's thumbnail endpoint and the folder metadata flow described in the issue. Verify how a client uploads an encrypted thumbnail for a specific file, and how another client downloads and decrypts it; done means encrypted image previews work on mobile without server-side thumbnail generation.

Written by the indexing model from the issue text.

Assessment

Tech stack
php
Domain
api, backend, security
Issue type
Feature
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
25/100

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