Trusted entitlements: Support signing static endpoints by tonidero · Pull Request #1119 · RevenueCat/purchases-android

tonidero · 2023-07-03T16:01:50Z

Description

This adds support for static endpoint signing. Currently, that would be the offerings and product-entitlement mapping endpoints.

codecov · 2023-07-03T16:10:43Z

Codecov Report

Merging #1119 (6575c19) into new-trusted-entitlements-signature-format (77e8fb3) will increase coverage by 0.22%.
The diff coverage is 100.00%.

❗ Current head 6575c19 differs from pull request most recent head 784f8d9. Consider uploading reports for the commit 784f8d9 to get more accurate results

@@                              Coverage Diff                              @@
##           new-trusted-entitlements-signature-format    #1119      +/-   ##
=============================================================================
+ Coverage                                      84.91%   85.13%   +0.22%     
=============================================================================
  Files                                            186      186              
  Lines                                           6614     6586      -28     
  Branches                                         947      944       -3     
=============================================================================
- Hits                                            5616     5607       -9     
+ Misses                                           622      603      -19     
  Partials                                         376      376

Impacted Files	Coverage Δ
...java/com/revenuecat/purchases/common/HTTPClient.kt	`90.07% <100.00%> (+0.07%)`	⬆️
...revenuecat/purchases/common/networking/Endpoint.kt	`100.00% <100.00%> (ø)`

... and 1 file with indirect coverage changes

tonidero · 2023-07-04T08:25:26Z

Backend integration tests are expected to fail until the backend changes have been deployed. I'm also pointing these changes to an integration branch until those changes are deployed.

NachoSoto · 2023-07-04T16:19:57Z

+                false
+        }
+
+    val needsNonceToPerformSigning: Boolean


This is great 👍🏻

tonidero · 2023-07-05T17:29:11Z

        }
        eTagManager = ETagManager(sharedPreferences)
-        signingManager = SigningManager(SignatureVerificationMode.Disabled, appConfig, apiKey())
+        signingManager = spyk(SigningManager(signatureVerificationMode, appConfig, apiKey()))


Here I changed to a spy so we can see and verify the calls more easily, but it's using the actual implementation. Since there is no way to know that the offerings/product-entitlement mapping calls were verified or not, this made easier to make sure we were verifying those endpoints

Since there is no way to know that the offerings/product-entitlement mapping calls were verified or not

I checked that by using the "fake invalid signature" thing. Did you add a way to do that in Android too?

Well, I meant in the "success" case, we should make sure we are verifying the signature. But right now there is no way to detect whether a SUCCESS or a NOT_REQUESTED happened. We could maybe if we could verify the logs, but I haven't added that in Android yet. Until then, this makes sure we are at least calling the signingManager.verify method, so it shouldn't be NOT_REQUESTED.

NachoSoto

Love it.

NachoSoto · 2023-07-05T19:26:34Z

                )

                return if (verificationResult) {
+                    verboseLog(NetworkStrings.VERIFICATION_SUCCESS.format(urlPath))


NachoSoto · 2023-07-05T19:27:19Z

        }
        eTagManager = ETagManager(sharedPreferences)
-        signingManager = SigningManager(SignatureVerificationMode.Disabled, appConfig, apiKey())
+        signingManager = spyk(SigningManager(signatureVerificationMode, appConfig, apiKey()))


Since there is no way to know that the offerings/product-entitlement mapping calls were verified or not

I checked that by using the "fake invalid signature" thing. Did you add a way to do that in Android too?

NachoSoto · 2023-07-05T19:28:39Z

+    }
+
+    @Test
+    fun `needsNonceToPerformSigning is true for expected values`() {


These tests are great.

NachoSoto · 2023-07-05T22:28:36Z

@@ -33,6 +33,22 @@ sealed class Endpoint(val pathTemplate: String, val name: String) {
    }

    val supportsSignatureValidation: Boolean


Also this isn't used now?

Done in iOS: RevenueCat/purchases-ios#2752

Also this isn't used now?

It's used in the signing manager:

purchases-android/purchases/src/main/kotlin/com/revenuecat/purchases/common/verification/SigningManager.kt

Line 23 in ef34062

return endpoint.supportsSignatureValidation && signatureVerificationMode.shouldVerify

tonidero · 2023-07-06T08:53:31Z

Will merge this and rerun the backend integration tests there once the backend is deployed.

…oints with no signature (#2752) Equivalent to RevenueCat/purchases-android#1119

### Description Integration branch for the changes in trusted entitlements. Includes changes from: - #1111 - #1114 - #1118 - #1119 - #1124

### Description This is based on #1119. Looks like the merge commit for that PR was lost in a rebase in the base PR #1117 😬. This adds support for static endpoint signing. Currently, that would be the offerings and product-entitlement mapping endpoints.

tonidero added the refactor label Jul 3, 2023

tonidero added 4 commits July 4, 2023 09:50

Support signing static endpoints

accfeee

Add backend integration tests

4c2db46

Add more backend integration tests

a8dc79f

Verify that signing is happening

d29e3a5

tonidero force-pushed the toniricodiez/sdk-2990-add-signing-to-the-entitlementmapping-endpoint-android branch from 6575c19 to d29e3a5 Compare July 4, 2023 08:10

Add verbose log to indicate successful verification

784f8d9

tonidero marked this pull request as ready for review July 4, 2023 08:14

tonidero requested a review from a team July 4, 2023 08:14

tonidero mentioned this pull request Jul 4, 2023

Trusted entitlements: New trusted entitlements signature format #1117

Merged

NachoSoto reviewed Jul 4, 2023

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tonidero commented Jul 5, 2023

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NachoSoto approved these changes Jul 5, 2023

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NachoSoto reviewed Jul 5, 2023

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Comment thread common/src/main/java/com/revenuecat/purchases/common/networking/Endpoint.kt Outdated

NachoSoto reviewed Jul 5, 2023

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NachoSoto mentioned this pull request Jul 5, 2023

Trusted Entitlements: produce verification failures for static endpoints with no signature RevenueCat/purchases-ios#2752

Merged

Changes from PR review

7d337ca

tonidero merged this pull request into new-trusted-entitlements-signature-format Jul 6, 2023

tonidero deleted the toniricodiez/sdk-2990-add-signing-to-the-entitlementmapping-endpoint-android branch July 6, 2023 09:00

NachoSoto added a commit to RevenueCat/purchases-ios that referenced this pull request Jul 6, 2023

Trusted Entitlements: produce verification failures for static endp…

bd3ac5f

…oints with no signature (#2752) Equivalent to RevenueCat/purchases-android#1119

tonidero added a commit that referenced this pull request Jul 7, 2023

Trusted entitlements: New trusted entitlements signature format (#1117)

e8a90a0

### Description Integration branch for the changes in trusted entitlements. Includes changes from: - #1111 - #1114 - #1118 - #1119 - #1124

tonidero mentioned this pull request Jul 10, 2023

Trusted entitlements: Support signing static endpoints #1131

Merged

		@@ -33,6 +33,22 @@ sealed class Endpoint(val pathTemplate: String, val name: String) {
		}

		val supportsSignatureValidation: Boolean

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tonidero commented Jul 3, 2023

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tonidero commented Jul 6, 2023

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codecov Bot commented Jul 3, 2023 •

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