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feat: Add verify-signature plumbing and Temurin+Microsoft verification support (#1060)

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* Add verify-signature plumbing and Temurin verification support

* Rebuild dist after signature verification changes

* Refine signature verification errors and regenerate dist

* refactor: make gpg.ts generic, move Adoptium-specific constant to temurin distribution

* fix: mock renameWinArchive in temurin tests and add signature e2e job

* refactor: bundle Adoptium public key, replace keyserver lookup with local import

* feat: add verify-signature-public-key input to allow custom GPG key override

* refactor: extract Adoptium public key to adoptium-key.ts; tighten gpg.ts cleanup scope

* Add verify-signature plumbing and Temurin verification support

* Potential fix for pull request finding

Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com>

* Potential fix for pull request finding

Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com>

* Add Microsoft signature verification support

* Regenerate dist bundles for Microsoft signature checks

* Harden Microsoft signature URL handling

* Add setup-java-microsoft-signature-verification e2e job

* chore: regenerate dist files

* Fix e2e-versions: remove duplicate job, update signature jobs to checkout@v7 with env vars

* Fix Prettier formatting in test files

* fix: mock renameWinArchive in microsoft-installer tests to fix Windows CI failure

* fix: use --homedir flag instead of GNUPGHOME env var for Windows GPG compatibility

The Git-bundled GPG on Windows (MSYS2-based) does not automatically convert
Windows-style paths in environment variables like GNUPGHOME. This caused GPG
to fail with exit code 2 when verifying Microsoft JDK signatures on Windows,
because the GNUPGHOME path (D:\a\_temp\...) was not recognized as a valid
POSIX path.

Fix: pass --homedir as an explicit command-line argument to both gpg --import
and gpg --verify. MSYS2 does correctly convert Windows paths in command-line
arguments, so this approach works reliably on Windows, Linux, and macOS.

* fix: convert Windows paths to POSIX format for MSYS2 GPG on Windows

The Git-bundled GPG on Windows (C:\Program Files\Git\usr\bin\gpg.exe) is
an MSYS2-based binary that uses POSIX path conventions internally. When
Windows-style paths with backslashes and drive letters (D:\a\_temp\...)
are passed as arguments, GPG may fail to resolve them correctly, resulting
in a fatal error (exit code 2).

Fix: add a toGpgPath() helper that converts Windows paths to MSYS2 POSIX
format (/d/a/_temp/...) before passing them to any gpg command. On Linux
and macOS the helper is a no-op.

Applied to all four paths used in verifyPackageSignature:
- gpgHome (--homedir argument)
- publicKeyFile (--import argument)
- signaturePath (--verify signature argument)
- archivePath (--verify data argument)

* Fix gpg test formatting

---------

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com>
Co-authored-by: Bruno Borges <brborges@microsoft.com>
This commit is contained in:
John
2026-06-29 13:19:49 +01:00
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parent e9339ddc84
commit b150355f04
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@@ -41,6 +41,10 @@ For more details, see the full release notes on the [releases page](https://git
- `check-latest`: Setting this option makes the action to check for the latest available version for the version spec.
- `verify-signature`: Verifies downloaded Java package signatures when supported by the selected distribution. Currently supported for `temurin` and `microsoft`. If set to `true` for unsupported distributions, the action fails.
- `verify-signature-public-key`: ASCII-armored GPG public key used to verify the downloaded package signature. Overrides the default bundled key for the selected distribution.
- `cache`: Quick [setup caching](#caching-packages-dependencies) for the dependencies managed through one of the predefined package managers. It can be one of "maven", "gradle" or "sbt".
- `cache-dependency-path`: The path to a dependency file: pom.xml, build.gradle, build.sbt, etc. This option can be used with the `cache` option. If this option is omitted, the action searches for the dependency file in the entire repository. This option supports wildcards and a list of file names for caching multiple dependencies.