Add PreserveHttpMethodOnRedirect switch to Web cmdlets by CarloToso · Pull Request #18894 · PowerShell/PowerShell

CarloToso · 2023-01-06T00:16:52Z

PR Summary

Add -PreserveHttpMethodOnRedirect switch to preserve the original HTTP method used in Invoke-RestMethod, and Invoke-WebRequest upon redirect.

Replace some code with switch expressions

PR Context

Fixes #14531

PR Checklist

iSazonov · 2023-01-06T05:07:22Z

...t.PowerShell.Commands.Utility/commands/utility/WebCmdlet/Common/WebRequestPSCmdlet.Common.cs

+            switch (statusCode)
+            {
+                case HttpStatusCode.Moved:
+                case HttpStatusCode.Found:
+                case HttpStatusCode.MultipleChoices:
+                    return requestMethod == WebRequestMethod.Post;
+                case HttpStatusCode.SeeOther:
+                    return requestMethod != WebRequestMethod.Get && requestMethod != WebRequestMethod.Head;
+                default:
+                    return false;


It is the same as https://source.dot.net/#System.Net.Http/System/Net/Http/SocketsHttpHandler/RedirectHandler.cs,141
This is used here https://source.dot.net/#System.Net.Http/System/Net/Http/SocketsHttpHandler/SocketsHttpHandler.cs,495

It seems SocketsHttpHandler already implemented the behavior, doesn't it?

Yes, the only difference is SocketsHttpHandler uses HttpMethod requestMethod and we use WebRequestMethod requestMethod.

Maybe we could replace Method with httpMethod

We have private HttpMethod GetHttpMethod(WebRequestMethod method) for the conversion.

We need RequestRequiresForceGet for the cases when we set handler.AllowAutoRedirect = false and WebRequestPSCmdlet handles the redirect

I see. Thanks for clarify!

...t.PowerShell.Commands.Utility/commands/utility/WebCmdlet/Common/WebRequestPSCmdlet.Common.cs

iSazonov · 2023-01-07T06:55:33Z

...t.PowerShell.Commands.Utility/commands/utility/WebCmdlet/Common/WebRequestPSCmdlet.Common.cs

+                bool sessionRedirect = WebSession.MaximumRedirection > 0 || WebSession.MaximumRedirection == -1;

-                if (keepAuthorization && IsRedirectCode(response.StatusCode) && response.Headers.Location is not null)
+                if ((keepAuthorization || (PreserveHTTPMethodOnRedirect && sessionRedirect)) && IsRedirectCode(response.StatusCode) && response.Headers.Location is not null)


~~If we use sessionRedirect only here we can put PreserveHTTPMethodOnRedirect in line 1328 too.~~
Condition looks too complex :-) Is it correct?

I think the current behaviour of if (keepAuthorization..) is wrong, I tested it by setting keepAuthorization = true --> this sets handleRetirect = true --> and then handler.AllowAutoRedirect = false. Without sessionRedirect it ignores MaximumRedirection.
Test: maunally set keepAuthorization = true before the if, then
Invoke-WebRequest "http://mockbin.org/redirect/308?to=https://mockbin.org/redirect/302?to=https://mockbin.org/status/200" -MaximumRedirection 0 -SkipHttpErrorCheck --> expected 308, result 200

Proposed fix --> if (keepAuthorization && sessionRedirect && IsRedirectCode(response.StatusCode) && response.Headers.Location is not null)

If you think there is a bug in redirection please open new PR and keep the PR only for adding new parameter.
(I believe the new parameter shouldn't change redirection logic.)

...t.PowerShell.Commands.Utility/commands/utility/WebCmdlet/Common/WebRequestPSCmdlet.Common.cs

iSazonov · 2023-01-09T05:27:21Z

...t.PowerShell.Commands.Utility/commands/utility/WebCmdlet/Common/WebRequestPSCmdlet.Common.cs


            // This indicates GetResponse will handle redirects.
-            if (handleRedirect)
+            if (handleRedirect || PreserveHTTPMethodOnRedirect)


I suggest changing the code block as in your another PR to avoid merge conflict.

I will change it after we merge the other PR

...t.PowerShell.Commands.Utility/commands/utility/WebCmdlet/Common/WebRequestPSCmdlet.Common.cs

ghost · 2023-01-21T14:00:55Z

This pull request has been automatically marked as Review Needed because it has been there has not been any activity for 7 days.
Maintainer, please provide feedback and/or mark it as Waiting on Author

...t.PowerShell.Commands.Utility/commands/utility/WebCmdlet/Common/WebRequestPSCmdlet.Common.cs

iSazonov · 2023-02-10T11:05:20Z

@SteveL-MSFT @PaulHigin Do you have any objections to this new parameter?

SteveL-MSFT · 2023-02-13T20:01:37Z

@iSazonov I think the parameter name is fine

SteveL-MSFT

LGTM

...t.PowerShell.Commands.Utility/commands/utility/WebCmdlet/Common/WebRequestPSCmdlet.Common.cs

pull-request-quantifier-deprecated · 2023-02-14T09:06:53Z

This PR has 76 quantified lines of changes. In general, a change size of upto 200 lines is ideal for the best PR experience!

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Label      : Small
Size       : +47 -29
Percentile : 30.4%

Total files changed: 2

Change summary by file extension:
.cs : +21 -27
.ps1 : +26 -2

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ghost · 2023-03-14T22:29:01Z

🎉v7.4.0-preview.2 has been released which incorporates this pull request.:tada:

Handy links:

Release Notes

CarloToso added 6 commits January 6, 2023 00:31

Add PersistHTTPMethod parameter

b4467aa

PersistHTTPMethod handle redirect

720ece8

PersistHTTPMethod manual redirect

20520e6

replace IsRedirectToGet with RequestRequiresForceGet from dotnet

1335810

Update IsRedirectCode with code from RedirectHandler.cs

a36718c

Add PersistHTTPMethod

9499548

CarloToso requested a review from PaulHigin as a code owner January 6, 2023 00:16

pull-request-quantifier-deprecated bot added the Small label Jan 6, 2023

ghost assigned daxian-dbw Jan 6, 2023

CarloToso added 2 commits January 6, 2023 01:23

Fix error

689455b

fix test error (pasted else in the wrong place)

25ee798

iSazonov reviewed Jan 6, 2023

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...t.PowerShell.Commands.Utility/commands/utility/WebCmdlet/Common/WebRequestPSCmdlet.Common.cs Outdated Show resolved Hide resolved

Convert to SwitchParameter and PreserveHTTPMethodOnRedirect

5278cf7

iSazonov added WG-Cmdlets-Utility cmdlets in the Microsoft.PowerShell.Utility module CL-General Indicates that a PR should be marked as a general cmdlet change in the Change Log labels Jan 6, 2023

iSazonov reviewed Jan 6, 2023

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join if

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Should Retry remove maximumretrycount add switch

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add static

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CarloToso mentioned this pull request Jan 7, 2023

Fix bug with managing redirection and keepAuthorization in Web cmdlets #18902

Merged

RequestRequiresForceGet WebRequestMethod --> HttpMethod

065aa1f

iSazonov reviewed Jan 9, 2023

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switch expressions

a3438f6

CarloToso commented Feb 7, 2023

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...t.PowerShell.Commands.Utility/commands/utility/WebCmdlet/Common/WebRequestPSCmdlet.Common.cs Show resolved Hide resolved

Merge branch 'master' into WebCmdlets-persist-HTTP-method

bad7544

CarloToso mentioned this pull request Feb 7, 2023

Fix redirection for -CustomMethod "POST" in WebCmdlets #19111

Merged

22 tasks

iSazonov requested a review from SteveL-MSFT February 7, 2023 17:13

CarloToso added 2 commits February 8, 2023 13:03

Merge branch 'master' into WebCmdlets-persist-HTTP-method

a52207d

merge

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Merge branch 'master' into WebCmdlets-persist-HTTP-method

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Merge branch 'master' into WebCmdlets-persist-HTTP-method

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CarloToso added 2 commits February 14, 2023 10:03

Merge branch 'PowerShell:master' into WebCmdlets-persist-HTTP-method

c23befb

moved or

c91c8f3

CarloToso requested review from daxian-dbw and removed request for PaulHigin February 14, 2023 09:07

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daxian-dbw merged commit 60b4e97 into PowerShell:master Feb 14, 2023

CarloToso deleted the WebCmdlets-persist-HTTP-method branch February 14, 2023 21:56

ghost mentioned this pull request Mar 14, 2023

Feature Request: create switch to persist HTTP method when following a redirect for Invoke-RestMethod or Invoke-WebRequest #14531

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How to interpret the change counts in git diff output

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