133 lines
3.6 KiB
Go
133 lines
3.6 KiB
Go
package web
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import (
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"net/url"
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"owl-blogs/app"
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"owl-blogs/app/repository"
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"owl-blogs/config"
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"owl-blogs/domain/model"
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vocab "github.com/go-ap/activitypub"
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"github.com/gofiber/fiber/v2"
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)
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const ACT_PUB_CONF_NAME = "activity_pub"
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type ActivityPubServer struct {
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configRepo repository.ConfigRepository
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entryService *app.EntryService
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}
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type ActivityPubConfig struct {
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PreferredUsername string `owl:"inputType=text"`
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PublicKeyPem string `owl:"inputType=text widget=textarea"`
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PrivateKeyPem string `owl:"inputType=text widget=textarea"`
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}
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type WebfingerResponse struct {
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Subject string `json:"subject"`
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Links []WebfingerLink `json:"links"`
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}
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type WebfingerLink struct {
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Rel string `json:"rel"`
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Type string `json:"type"`
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Href string `json:"href"`
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}
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func NewActivityPubServer(configRepo repository.ConfigRepository, entryService *app.EntryService) *ActivityPubServer {
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return &ActivityPubServer{
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configRepo: configRepo,
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entryService: entryService,
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}
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}
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func (s *ActivityPubServer) HandleWebfinger(ctx *fiber.Ctx) error {
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siteConfig := model.SiteConfig{}
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apConfig := ActivityPubConfig{}
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s.configRepo.Get(ACT_PUB_CONF_NAME, &apConfig)
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s.configRepo.Get(config.SITE_CONFIG, &siteConfig)
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webfinger := WebfingerResponse{
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Subject: ctx.Query("resource"),
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Links: []WebfingerLink{
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{
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Rel: "self",
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Type: "application/activity+json",
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Href: siteConfig.FullUrl + "/activitypub/actor",
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},
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},
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}
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return ctx.JSON(webfinger)
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}
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func (s *ActivityPubServer) Router(router fiber.Router) {
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router.Get("/actor", s.HandleActor)
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router.Get("/outbox", s.HandleOutbox)
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}
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func (s *ActivityPubServer) HandleActor(ctx *fiber.Ctx) error {
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siteConfig := model.SiteConfig{}
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apConfig := ActivityPubConfig{}
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s.configRepo.Get(ACT_PUB_CONF_NAME, &apConfig)
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s.configRepo.Get(config.SITE_CONFIG, &siteConfig)
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actor := vocab.PersonNew(vocab.IRI(siteConfig.FullUrl + "/activitypub/actor"))
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actor.PreferredUsername = vocab.NaturalLanguageValues{{Value: vocab.Content(apConfig.PreferredUsername)}}
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actor.Inbox = vocab.IRI(siteConfig.FullUrl + "/activitypub/inbox")
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actor.Outbox = vocab.IRI(siteConfig.FullUrl + "/activitypub/outbox")
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actor.Followers = vocab.IRI(siteConfig.FullUrl + "/activitypub/followers")
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actor.PublicKey = vocab.PublicKey{
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ID: vocab.ID(siteConfig.FullUrl + "/activitypub/actor#main-key"),
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Owner: vocab.IRI(siteConfig.FullUrl + "/activitypub/actor"),
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PublicKeyPem: apConfig.PublicKeyPem,
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}
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data, err := actor.MarshalJSON()
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if err != nil {
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return err
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}
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ctx.Set("Content-Type", "application/activity+json")
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return ctx.Send(data)
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}
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func (s *ActivityPubServer) HandleOutbox(ctx *fiber.Ctx) error {
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siteConfig := model.SiteConfig{}
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apConfig := ActivityPubConfig{}
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s.configRepo.Get(ACT_PUB_CONF_NAME, &apConfig)
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s.configRepo.Get(config.SITE_CONFIG, &siteConfig)
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entries, err := s.entryService.FindAllByType(nil, true, false)
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if err != nil {
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return err
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}
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items := make([]vocab.Item, len(entries))
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for i, entry := range entries {
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url, _ := url.JoinPath(siteConfig.FullUrl, "/posts/"+entry.ID()+"/")
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items[i] = *vocab.ActivityNew(vocab.IRI(url), vocab.CreateType, vocab.Object{
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ID: vocab.ID(url),
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Type: vocab.ArticleType,
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Content: vocab.NaturalLanguageValues{
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{Value: vocab.Content(entry.Content())},
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},
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})
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}
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outbox := vocab.OrderedCollectionNew(vocab.IRI(siteConfig.FullUrl + "/activitypub/outbox"))
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outbox.TotalItems = uint(len(items))
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outbox.OrderedItems = items
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data, err := outbox.MarshalJSON()
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if err != nil {
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return err
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}
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ctx.Set("Content-Type", "application/activity+json")
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return ctx.Send(data)
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}
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