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fix: Email validation tokens #26893

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@benjackwhite benjackwhite commented Dec 13, 2024

Problem

Some investigation around email resetting revealed a few less-than-perfect things. Nothing major from what I can see but confusing APIs that make it look like you can do bad things (which you can't)

Changes

  • Adds some missing tests to verify a bunch of things such as not being able to use someone else's token or re-use a token for verifying a pending email (there were some tests here but not enough to immediately confirm some security doubts)
  • Fix an issue with the login_timestamp not being included in the token validation (which is what was allowing an email verification to be used multiple times) - this anyway had a 24 hour limit but now it is even more restrictive
  • Makes the unauthenticated endpoints non-detail specific which fixes confusion around where the uuid was coming from.

👉 Stay up-to-date with PostHog coding conventions for a smoother review.

Does this work well for both Cloud and self-hosted?

How did you test this code?

@benjackwhite benjackwhite marked this pull request as ready for review December 13, 2024 12:15
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github-actions bot commented Dec 13, 2024

Size Change: 0 B

Total Size: 1.11 MB

ℹ️ View Unchanged
Filename Size
frontend/dist/toolbar.js 1.11 MB

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📸 UI snapshots have been updated

1 snapshot changes in total. 0 added, 1 modified, 0 deleted:

  • chromium: 0 added, 1 modified, 0 deleted (diff for shard 1)
  • webkit: 0 added, 0 modified, 0 deleted

Triggered by this commit.

👉 Review this PR's diff of snapshots.

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@zlwaterfield zlwaterfield left a comment

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This looks good - thanks for making this change.

One thing to note: this will invalidate all existing tokens, which is mildly annoying to users - we may get increased support requests related to this in the next 24 hours.

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📸 UI snapshots have been updated

1 snapshot changes in total. 0 added, 1 modified, 0 deleted:

  • chromium: 0 added, 1 modified, 0 deleted (diff for shard 1)
  • webkit: 0 added, 0 modified, 0 deleted

Triggered by this commit.

👉 Review this PR's diff of snapshots.

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4 participants