95 lines
2.5 KiB
Go
95 lines
2.5 KiB
Go
package activitypub
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import (
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"context"
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"encoding/json"
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"fmt"
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"net/http"
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"strconv"
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webutils "git.mstar.dev/mstar/goutils/http"
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"github.com/rs/zerolog/hlog"
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"gorm.io/gorm"
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"git.mstar.dev/mstar/linstrom/activitypub"
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"git.mstar.dev/mstar/linstrom/storage-new"
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"git.mstar.dev/mstar/linstrom/storage-new/dbgen"
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"git.mstar.dev/mstar/linstrom/storage-new/models"
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)
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type ActivityFollowOut struct {
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Context any `json:"@context,omitempty"`
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Id string `json:"id"`
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Type string `json:"type"`
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Actor string `json:"actor"`
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Object any `json:"object"`
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}
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func activityFollow(w http.ResponseWriter, r *http.Request) {
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log := hlog.FromRequest(r)
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id := r.PathValue("id")
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activity, err := FollowFromStorage(r.Context(), id)
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switch err {
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case gorm.ErrRecordNotFound:
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webutils.ProblemDetailsStatusOnly(w, http.StatusNotFound)
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case nil:
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activity.Context = activitypub.BaseLdContext
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data, err := json.Marshal(activity)
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if err != nil {
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log.Error().Err(err).Any("activity", activity).Msg("Failed to marshal create activity")
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webutils.ProblemDetailsStatusOnly(w, http.StatusInternalServerError)
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return
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}
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w.Header().Add("Content-Type", "application/activity+json")
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fmt.Fprint(w, string(data))
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default:
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if storage.HandleReconnectError(err) {
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log.Error().Err(err).Msg("Connection failed, restart attempt started")
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} else {
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log.Error().Err(err).Msg("Failed to get create activity from db")
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}
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webutils.ProblemDetailsStatusOnly(w, http.StatusInternalServerError)
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}
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}
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func FollowFromStorage(ctx context.Context, id string) (*ActivityFollowOut, error) {
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ac := dbgen.Activity
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u2u := dbgen.UserToUserRelation
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u := dbgen.User
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// log := log.Ctx(ctx)
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activity, err := ac.Where(ac.Id.Eq(id), ac.Type.Eq(string(models.ActivityFollow))).First()
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if err != nil {
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return nil, err
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}
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followId, err := strconv.ParseUint(activity.ObjectId, 10, 64)
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if err != nil {
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return nil, err
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}
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relation, err := u2u.Where(u2u.ID.Eq(followId)).First()
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if err != nil {
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return nil, err
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}
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follower, err := u.Where(u.ID.Eq(relation.UserId)).Preload(u.RemoteInfo).First()
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if err != nil {
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return nil, err
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}
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followed, err := u.Where(u.ID.Eq(relation.TargetUserId)).Preload(u.RemoteInfo).First()
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if err != nil {
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return nil, err
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}
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out := ActivityFollowOut{
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Id: id,
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Type: "Follow",
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}
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if follower.RemoteInfo != nil {
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out.Actor = follower.RemoteInfo.ApLink
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} else {
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out.Actor = userIdToApUrl(follower.ID)
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}
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if followed.RemoteInfo != nil {
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out.Object = followed.RemoteInfo.ApLink
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} else {
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out.Object = userIdToApUrl(followed.ID)
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}
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return &out, nil
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}
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