AccountResolver: Return all accounts that own a matching email

At a point in time an email must only belong to a single account. If
multiple accounts are found for the same email it means there is an
inconsistency:

1. either some of the found accounts have a preferred email set that
   they do not own via an external ID

2. or multiple accounts own the same email via different exteral IDs

In case of 1. we want to ignore the accounts that do not own the email
via an external ID. In case of 2. we can't decide which account is a
better match, hence we should return all accounts that own the email via
an external ID. Before this change we returned only the first match in
case of 2.

Release-Notes: skip
Bug: Google b/461874564
Change-Id: I968796143a5cd0109e7912ec202ebf53a6356aac
Signed-off-by: Edwin Kempin <ekempin@google.com>
1 file changed
tree: 1bedf2d11268d4f7ef4744f03e836a5bdb8d7935
  1. .github/
  2. .settings/
  3. .ts-out/
  4. antlr3/
  5. contrib/
  6. Documentation/
  7. e2e-tests/
  8. java/
  9. javatests/
  10. lib/
  11. modules/
  12. plugins/
  13. polygerrit-ui/
  14. prolog/
  15. prologtests/
  16. proto/
  17. resources/
  18. tools/
  19. webapp/
  20. .bazelignore
  21. .bazelproject
  22. .bazelrc
  23. .bazelversion
  24. .editorconfig
  25. .git-blame-ignore-revs
  26. .gitignore
  27. .gitmodules
  28. .gitreview
  29. .mailmap
  30. .pydevproject
  31. .zuul.yaml
  32. BUILD
  33. COPYING
  34. GEMINI.md
  35. INSTALL
  36. Jenkinsfile
  37. MODULE.bazel
  38. package.json
  39. README.md
  40. SUBMITTING_PATCHES
  41. version.bzl
  42. web-dev-server.config.mjs
  43. WORKSPACE
  44. yarn.lock
README.md

Gerrit Code Review

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