gchq/CyberChef

Feature request: Show a warning when using an unsupported browser version

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#422 opened on Nov 20, 2018

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featurehelp wanted

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Description

It would be useful to display a warning to users whose browsers are not supported. This warning should not be too invasive, but it should be clear. It is likely that CyberChef will not function correctly in unsupported browsers anyway, so this warning should be triggered early, perhaps in the preloader code.

Supported browsers are currently:

  • Google Chrome 40+
  • Mozilla Firefox 35+
  • Microsoft Edge 14+

This can be programatically checked in the .babelrc file here.

Any browsers which maintain compatibility with these supported browsers should function correctly and shouldn't be issued a warning. This can usually be determined from the user agent string.

The warning should suggest that the user try one of the supported browsers instead.

Contributor guide

Research direction
Implement browser version detection in the preloader code and display a warning message for unsupported browsers. Use the supported browser list and user agent string to determine compatibility.
Tech stack
javascripthtmlcss
Domain
frontend
Issue type
Feature
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
2
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-3 hours
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Active
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Mostly clear
Prerequisites
JavaScriptHTML
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
70