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Pad GPG Key ID with preceding zeroes (#20878) (#20885)

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Backport #20878

The go crypto library does not pad keyIDs to 16 characters with preceding zeroes. This
is a somewhat confusing thing for most users who expect these to have preceding zeroes.

This PR prefixes any sub 16 length KeyID with preceding zeroes and removes preceding
zeroes from KeyIDs inputted on the API.

Fix #20876

Signed-off-by: Andrew Thornton <art27@cantab.net>
This commit is contained in:
zeripath 2022-08-22 19:35:18 +01:00 • committed by GitHub
parent 033178f2fc
commit bf41958c16
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
4 changed files with 24 additions and 8 deletions
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7
routers/api/v1/user/gpg_key.go
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@ -7,6 +7,7 @@ package user
import (
"fmt"
"net/http"
"strings"
asymkey_model "code.gitea.io/gitea/models/asymkey"
"code.gitea.io/gitea/models/db"
@ -177,6 +178,12 @@ func VerifyUserGPGKey(ctx *context.APIContext) {
token := asymkey_model.VerificationToken(ctx.Doer, 1)
lastToken := asymkey_model.VerificationToken(ctx.Doer, 0)
form.KeyID = strings.TrimLeft(form.KeyID, "0")
if form.KeyID == "" {
ctx.NotFound()
return
}
_, err := asymkey_model.VerifyGPGKey(ctx.Doer.ID, form.KeyID, token, form.Signature)
if err != nil && asymkey_model.IsErrGPGInvalidTokenSignature(err) {
_, err = asymkey_model.VerifyGPGKey(ctx.Doer.ID, form.KeyID, lastToken, form.Signature)