Make authenticity verification for downloaded binaries more configurable - support skipping it and using alternative signature#769
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Fixes bazelbuild#15. Signed-off-by: Piotr Sikora <piotrsikora@google.com>
* refactor `httputil.DownloadBinary` to download and store signature file * extract authenticity verification logic into a separate `VerifyBinary` function * perform authenticity verification in `downloadBazelIfNecessary`, after integrity check * it allows us to keep verification logic in one place * failure of authenticity check is clearly handled in the same way as failure of integrity check: downloaded Bazel left in CAS, but the mapping file is not created in metadata
…sabling of authenticity check
…itly using an alternative verification key. It can be useful if * the embedded verification key expired, but it's impossible to update bazelisk for some reason * Bazel is downloaded from the fork which uses an alternative PGP key
… because golang.org/x/crypto is deprecated and unmaintained See https://pkg.go.dev/golang.org/x/crypto/openpgp for details
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…o:embed to make it available in the source code
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@philwo, @meteorcloudy, @fweikert, please, take a look at it. |
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It would be ok, if this PR is reviewed deeply after #192, because it's initially based on #192. |
valco1994
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I supported additional features, so it's possible to skip verification or provide an alternative verification key now.
I also switched from
golang.org/x/cryptotogithub.com/ProtonMail/gopenpgp/v3, becausegolang.org/x/crypto/openpgpis deprecated and unmaintained (see https://pkg.go.dev/golang.org/x/crypto/openpgp for details).