Pass resource parameter in login url #753

codablock · 2020-09-03T12:32:34Z

Description

This passes the value given by --resource=<my-resource> to the login url.

Motivation and Context

Without this, Azure will always return access tokens for graph.microsoft.com, which is not what one would expect when --resource is used. The modified method is not Azure specific, but I would assume that the resource parameter should also be present in other providers.

How Has This Been Tested?

We have this code (based on a master version shortly after 6.0.0 was released) running in production since a few weeks.

Checklist:

My change requires a change to the documentation or CHANGELOG.
I have updated the documentation/CHANGELOG accordingly.
I have created a feature (non-master) branch for my PR.

NickMeves · 2020-09-08T21:13:47Z

providers/provider_default.go

@@ -90,6 +90,9 @@ func (p *ProviderData) GetLoginURL(redirectURI, state string) string {
 	params.Set("client_id", p.ClientID)
 	params.Set("response_type", "code")
 	params.Add("state", state)
+	if p.ProtectedResource != nil && p.ProtectedResource.String() != "" {


This is already a string type and defaults to "". You can simplify this logic and mirror this line's format: if p.AcrValues != "" {

Can you add a unit test for this addition?

As of current master, this is of type *url.URL, so I need to verify that it is not nil before checking for emptyness. I'll try to add a unit test.

Ack - you are right! I was looking at the options ProtectedResource that made it - thanks!

OK - I had a chance to research this more:

I think since this is a flag that is documented as Azure only, it shouldn't be added on the default GetLoginURL method, it should be under azure.go (which means making a GetLoginURL under AzureProvider)

...but I see a commit from 5 years ago where it was added to the default Redeem even though this is only set by the AzureProvider and the AzureProvider implements its own Redeem method. 🤷‍♂️

Can you take a try at getting this completely Azure specific?

Otherwise we can do it as you've listed here (having it part of defaults for both Redeem & GetLoginURL) -- I'd just like to update the documentation for the --resource flag that it applies to all providers and remove the note that it is an Azure only flag.

Ah I was not aware that the --resource flag was meant to be Azure specific. I moved the code into azure.go

NickMeves

I don't know if any of the maintainers are Azure users -- can you point me at some Azure documentation of what this does?

And share some sample config values you have for your environment for this flag so I can better visualize?

codablock · 2020-09-10T08:41:10Z

@NickMeves I've added a unit test for the resource=xxx parameter.

Unfortunately it is a huge mess to navigate through Azure AD documentation and keep track of all the details and how stuff is related to other stuff...so I have no idea anymore where I got this info from. Googling for it I found this Stackoverflow entry which describes the resource parameter in the selected answer, but also fails to mention the documentation that actually describes it.

codablock · 2020-09-14T11:59:50Z

@NickMeves I've refactored the default_provider.go GetLoginURL in a way so that it can be re-used by other providers. Azure now uses the new DefaultGetLoginURL and then adds azure specific stuff to the params. And just for fun, I used the same method to de-duplicate the logingov provider.

NickMeves · 2020-09-14T23:50:16Z

providers/provider_default.go

@@ -73,8 +73,7 @@ func (p *ProviderData) Redeem(ctx context.Context, redirectURL, code string) (s
 	return
 }

-// GetLoginURL with typical oauth parameters
-func (p *ProviderData) GetLoginURL(redirectURI, state string) string {
+func DefaultGetLoginURL(p *ProviderData, redirectURI, state string) (url.URL, url.Values) {


I think this is a step in the right direction 👍

Let's refactor it a bit. Let's move this over to providers/util.go with the other provider helpers and call it makeLoginURL or something.

It might be over-optimization if it is only used in a couple places, but I'm not a fan of the helper returning the raw url.URL, url.Values and requiring the consumers to know to do this:

a, params := DefaultGetLoginURL(p.ProviderData, redirectURI, state) // CUSTOMIZE PARAMS HERE a.RawQuery = params.Encode() return a.String()

Maybe make a light struct around this with a few helper methods to do what we need as far as param add/set + String()

I came up with an alternative form of the method that simply requires to pass extraParams, which should make it very clear for the caller what is expected. Pushed 2 commits with the related changes.

NickMeves · 2020-09-14T23:55:15Z

@codablock Just an FYI - I need to think about the repercussions more, but I think this and your other PR might barely hover on the breaking change threshold between requiring a minor vs major release to get this functionality out. (for instance --cookie-refresh & the session validation never did anything in the past for Azure - but it wasn't documented that it wasn't Azure supported, so users might've set flags and not realized they were no-ops and then starting to care about them might break setups).

But the point might be moot - I'm chatting with @JoelSpeed about our next release potentially being v7 since we are starting to get to a critical mass of PRs that need a major release.

We'll keep you posted.

codablock · 2020-09-15T08:22:27Z

@NickMeves I'm fine with this being a major release and thus needing more time. We're already running oauth2-proxy from a forked branch with the necessary changes merged.

NickMeves

Thanks for the changes & refactoring. Looks good!

Please go ahead and add a CHANGELOG entry.

Per our discussion, I'm going to wait to merge this until we are positive our next release is a major (its looking like it, though).

codablock · 2020-09-21T08:00:10Z

@NickMeves please see #787 for CHANGELOG.

NickMeves · 2020-09-24T21:19:23Z

I'm ready to merge this one -- can you get the CHANGELOG entry over in this PR and not split out and rebase?

@JoelSpeed wanted to take a peek at #754 still

JoelSpeed · 2020-09-26T11:39:27Z

I agree, let's get this PR rebased, add the changelog into this PR and then we can merge, it's much easier to look back at changes if the changelog entry is in the same PR

Do we need to update the docs at all?

…ltGetLoginURL This allows us to reuse code from different providers in case slight modifications to the URL are needed.

Also add unit test to ensure logingov specific logic is applied.

And don't require the caller to know how to use the returned params.

codablock · 2020-09-28T10:18:03Z

Rebased on master and added changelog entry for this PR.

NickMeves

1 last NIT on the CHANGELOG then we're good to go!

NickMeves · 2020-09-28T15:42:11Z

CHANGELOG.md

@@ -12,9 +12,14 @@
 ## Breaking Changes

 - [#722](https://github.com/oauth2-proxy/oauth2-proxy/pull/722) When a Redis session store is configured, OAuth2-Proxy will fail to start up unless connection and health checks to Redis pass
+- A bug in the Azure provider prevented it from properly passing the configured protected `--resource`


Can you add in the PR link to associate with this breaking change note to tie it to the CHANGELOG entry below?

Once that's in, I'll merge 👍

@NickMeves done

NickMeves

Thanks for all the work on this!

Signed-off-by: sjcsjc123 <[email protected]>

codablock requested a review from a team as a code owner September 3, 2020 12:32

codablock mentioned this pull request Sep 7, 2020

Azure token refresh #754

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codablock force-pushed the azure-resource branch from 63e9b35 to 3baf4f7 Compare September 7, 2020 21:43

NickMeves reviewed Sep 8, 2020

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NickMeves requested changes Sep 8, 2020

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codablock force-pushed the azure-resource branch 3 times, most recently from b42940d to 06ea1f6 Compare September 14, 2020 11:57

NickMeves reviewed Sep 14, 2020

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NickMeves added breaking A change that will cause a major version bump enhancement labels Sep 15, 2020

NickMeves previously approved these changes Sep 19, 2020

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codablock added a commit to codablock/oauth2-proxy that referenced this pull request Sep 21, 2020

Add CHANGELOG.md entries for oauth2-proxy#753 and oauth2-proxy#754

b0c6e76

codablock mentioned this pull request Sep 21, 2020

Add CHANGELOG.md entries for #753 and #754 #787

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codablock added a commit to codablock/oauth2-proxy that referenced this pull request Sep 21, 2020

Add CHANGELOG.md entries for oauth2-proxy#753 and oauth2-proxy#754

fc39cf5

codablock added 7 commits September 28, 2020 12:15

Pass resource parameter in login url

8cbf921

Add unit test for protected resources

017b9bc

Move actual implementation of default provider GetLoginURL into Defau…

97e95fd

…ltGetLoginURL This allows us to reuse code from different providers in case slight modifications to the URL are needed.

Move azure specific resource parameter handling into azure provider

fde09be

De-duplicate code in GetLoginURL of in logingov provider

9a64e67

Also add unit test to ensure logingov specific logic is applied.

Move DefaultGetLoginURL into util.go

4eb9612

Refactor makeLoginURL to accept extraParams

74918c4

And don't require the caller to know how to use the returned params.

Add CHANGELOG.md entries for oauth2-proxy#753

090eff0

codablock dismissed NickMeves’s stale review via 090eff0 September 28, 2020 10:17

codablock force-pushed the azure-resource branch from 2b02766 to 090eff0 Compare September 28, 2020 10:17

NickMeves requested changes Sep 28, 2020

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Add link to oauth2-proxy#753 in changelog

d046782

NickMeves approved these changes Sep 29, 2020

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NickMeves merged commit 7c44797 into oauth2-proxy:master Sep 29, 2020

weinong mentioned this pull request Nov 11, 2020

when protected resource other than Graph api is specified in azure provider the access token will be invalid to query Graph #913

Closed

Jing-ze pushed a commit to Jing-ze/oauth2-proxy that referenced this pull request Nov 19, 2024

feat: add debug mode for higress (oauth2-proxy#753)

1f7e98c

Signed-off-by: sjcsjc123 <[email protected]>

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Pass resource parameter in login url #753

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Pass resource parameter in login url #753

Pass resource parameter in login url #753

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codablock commented Sep 3, 2020 • edited Loading

Description

Motivation and Context

How Has This Been Tested?

Checklist:

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