Backport Blazor Stop Requiring unsafe-inline in CSP (#36771)#36846
Merged
wtgodbe merged 4 commits intorelease/6.0from Sep 22, 2021
Merged
Backport Blazor Stop Requiring unsafe-inline in CSP (#36771)#36846wtgodbe merged 4 commits intorelease/6.0from
Blazor Stop Requiring unsafe-inline in CSP (#36771)#36846wtgodbe merged 4 commits intorelease/6.0from
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* Blazor Server Allow Unsafe Inline For: #34428 * Update MonoPlatform.ts * Fix DefaultReconnectDisplay.test * PR Feedback
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@Pilchie requesting approval to merge for 6.0 |
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Approved for .NET 6.0 |
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Thanks Kevin. @dotnet/aspnet-build requesting merge into 6.0 |
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Description
Updates to the Blazor Server reconnection handler such that it uses DOM based APIs so that the
unsafe-inlinecondition is no longer required on the Content Security Policy (CSP). This empowers customers to create stricter CSP controls in their Blazor applications.Customer Impact
Blazor wasn't CSP compliant, meaning for those who wanted to enable CSP, they needed to add
unsafe-inlinewhich diminishes a lot of the benefits of having CSP in the first place.Regression?
[If yes, specify the version the behavior has regressed from]
Risk
Actual changes are just to use the DOM APIs to generate the elements, instead of dynamically injecting HTML. This should reduce overall product risk as it's using more generally accepted practices.
Verification
Packaging changes reviewed?
Addresses #34428
Original PR: #36771