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This PR fixes #7598 by providing a configurable way of signing commits across the Gitea instance. Per repository configurability and import/generation of trusted secure keys is not provided by this PR - from a security PoV that's probably impossible to do properly. Similarly web-signing, that is asking the user to sign something, is not implemented - this could be done at a later stage however. ## Features - [x] If commit.gpgsign is set in .gitconfig sign commits and files created through repofiles. (merges should already have been signed.) - [x] Verify commits signed with the default gpg as valid - [x] Signer, Committer and Author can all be different - [x] Allow signer to be arbitrarily different - We still require the key to have an activated email on Gitea. A more complete implementation would be to use a keyserver and mark external-or-unactivated with an "unknown" trust level icon. - [x] Add a signing-key.gpg endpoint to get the default gpg pub key if available - Rather than add a fake web-flow user I've added this as an endpoint on /api/v1/signing-key.gpg - [x] Try to match the default key with a user on gitea - this is done at verification time - [x] Make things configurable? - app.ini configuration done - [x] when checking commits are signed need to check if they're actually verifiable too - [x] Add documentation I have decided that adjusting the docker to create a default gpg key is not the correct thing to do and therefore have not implemented this.
63 lines
1.4 KiB
Go
63 lines
1.4 KiB
Go
package misc
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import (
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"fmt"
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"net/http"
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"code.gitea.io/gitea/models"
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"code.gitea.io/gitea/modules/context"
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"code.gitea.io/gitea/modules/log"
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)
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// SigningKey returns the public key of the default signing key if it exists
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func SigningKey(ctx *context.Context) {
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// swagger:operation GET /signing-key.gpg miscellaneous getSigningKey
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// ---
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// summary: Get default signing-key.gpg
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// produces:
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// - text/plain
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// responses:
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// "200":
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// description: "GPG armored public key"
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// schema:
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// type: string
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// swagger:operation GET /repos/{owner}/{repo}/signing-key.gpg repository repoSigningKey
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// ---
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// summary: Get signing-key.gpg for given repository
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// produces:
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// - text/plain
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// parameters:
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// - name: owner
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// in: path
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// description: owner of the repo
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// type: string
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// required: true
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// - name: repo
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// in: path
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// description: name of the repo
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// type: string
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// required: true
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// responses:
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// "200":
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// description: "GPG armored public key"
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// schema:
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// type: string
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path := ""
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if ctx.Repo != nil && ctx.Repo.Repository != nil {
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path = ctx.Repo.Repository.RepoPath()
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}
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content, err := models.PublicSigningKey(path)
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if err != nil {
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ctx.ServerError("gpg export", err)
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return
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}
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_, err = ctx.Write([]byte(content))
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if err != nil {
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log.Error("Error writing key content %v", err)
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ctx.Error(http.StatusInternalServerError, fmt.Sprintf("%v", err))
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}
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}
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