Add basic implementation of federated commenting

Changes

2 changed files (+54/-3)

• modules/activitypub/issue.go (new)
  • @@ -0,0 +1,49 @@
    + // Copyright 2022 The Gitea Authors. All rights reserved. + // Use of this source code is governed by a MIT-style + // license that can be found in the LICENSE file. + + package activitypub + + import ( + "context" + "fmt" + "strconv" + "strings" + + "code.gitea.io/gitea/models/issues" + repo_model "code.gitea.io/gitea/models/repo" + user_model "code.gitea.io/gitea/models/user" + "code.gitea.io/gitea/modules/log" + + ap "github.com/go-ap/activitypub" + ) + + func Comment(ctx context.Context, activity ap.Note) { + actorIRI := activity.AttributedTo.GetLink() + actorIRISplit := strings.Split(actorIRI.String(), "/") + actorName := actorIRISplit[len(actorIRISplit)-1] + "@" + actorIRISplit[2] + err := FederatedUserNew(actorName, actorIRI) + if err != nil { + log.Warn("Couldn't create new user", err) + } + actorUser, err := user_model.GetUserByName(ctx, actorName) + if err != nil { + log.Warn("Couldn't find actor", err) + } + + context := activity.Context.GetLink() + contextSplit := strings.Split(context.String(), "/") + username := contextSplit[3] + reponame := contextSplit[4] + fmt.Println(username) + fmt.Println(reponame) + repo, _ := repo_model.GetRepositoryByOwnerAndName(username, reponame) + idx, _ := strconv.ParseInt(contextSplit[len(contextSplit)-1], 10, 64) + issue, _ := issues.GetIssueByIndex(repo.ID, idx) + issues.CreateCommentCtx(ctx, &issues.CreateCommentOptions{ + Doer: actorUser, + Repo: repo, + Issue: issue, + Content: activity.Content.String(), + }) + }
• routers/api/v1/activitypub/repo.go
  • @@ -12,6 +12,7 @@ import (
    "code.gitea.io/gitea/models" "code.gitea.io/gitea/models/forgefed" user_model "code.gitea.io/gitea/models/user" + "code.gitea.io/gitea/modules/activitypub" "code.gitea.io/gitea/modules/context" "code.gitea.io/gitea/modules/log" "code.gitea.io/gitea/modules/setting"
  • @@ -96,10 +97,11 @@ func RepoInbox(ctx *context.APIContext) {
    ctx.ServerError("Error reading request body", err) } - var activity ap.Activity + var activity ap.Object activity.UnmarshalJSON(body) - if activity.Type == ap.FollowType { - // activitypub.Follow(ctx, activity) + log.Warn("Debug", activity) + if activity.Type == ap.NoteType { + activitypub.Comment(ctx, activity) } else { log.Warn("ActivityStreams type not supported", activity) }