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package http
import (
"bytes"
"fmt"
"io"
"net/http"
"git.capotej.com/capotej/communique/registry"
"github.com/gin-gonic/gin"
"go.uber.org/zap"
)
type Router struct {
registry *registry.Registry
log *zap.SugaredLogger
}
func NewRouter(registry *registry.Registry, log *zap.SugaredLogger) *Router {
return &Router{registry: registry, log: log}
}
func render(c *gin.Context, resource map[string]interface{}, err error) {
if resource == nil && err == nil {
c.JSON(http.StatusNotFound, map[string]interface{}{})
} else if err != nil {
jsonErr := c.Error(err)
c.JSON(http.StatusInternalServerError, jsonErr.JSON())
} else {
c.Writer.Header().Set("Content-Type", "application/activity+json")
c.JSON(http.StatusOK, resource)
}
}
func (s *Router) Start(zapWriter io.Writer) {
router := gin.Default()
router.SetTrustedProxies(nil)
gin.DisableConsoleColor()
gin.DefaultWriter = zapWriter // send gin logs to zap
// Webfinger
router.GET("/.well-known/webfinger", func(c *gin.Context) {
resourceParam := c.Query("resource")
resource, _ := s.registry.Webfinger(resourceParam)
if resource != nil {
c.Writer.Header().Set("Content-Type", "application/jrd+json")
c.JSON(http.StatusOK, resource)
} else {
c.JSON(http.StatusNotFound, map[string]interface{}{})
}
})
// Actor
router.GET("/actors/:actor", func(c *gin.Context) {
actorParam := c.Param("actor")
resource, err := s.registry.Actor(actorParam)
render(c, resource, err)
})
//TODO use content addressing here so we can be cache friendly (like /actors/:actor/avatar/:avatar_sha256)
// Actor avatar
router.GET("/actors/:actor/avatar", func(c *gin.Context) {
actorParam := c.Param("actor")
avatarBytes, mediaType, err := s.registry.ActorAvatar(actorParam)
if err != nil || avatarBytes == nil || mediaType == "" {
c.Data(404, "text/plain", []byte("404 page not found"))
}
c.Header("Content-Length", fmt.Sprintf("%d", len(avatarBytes)))
c.Data(200, mediaType, avatarBytes)
})
// Actor Followers
router.GET("/actors/:actor/followers", func(c *gin.Context) {
actorParam := c.Param("actor")
resource, err := s.registry.Followers(actorParam)
render(c, resource, err)
})
// Actor Following
router.GET("/actors/:actor/following", func(c *gin.Context) {
actorParam := c.Param("actor")
resource, err := s.registry.Following(actorParam)
render(c, resource, err)
})
// Inbox
router.POST("/actors/:actor/inbox", func(c *gin.Context) {
log := s.log.With("type", "inbox")
buf := new(bytes.Buffer)
buf.ReadFrom(c.Request.Body)
payload := buf.String()
log.With(
"signature",
c.GetHeader("Signature"),
).With(
"content-type",
c.GetHeader("Content-Type"),
).With(
"digest",
c.GetHeader("digest"),
).With(
"payload",
payload,
).Debug("received inbox item")
actorParam := c.Param("actor")
err := s.registry.Inbox(actorParam, c.Request, buf.Bytes())
resource := map[string]interface{}{}
render(c, resource, err)
})
// Actor Outbox
router.GET("/actors/:actor/outbox", func(c *gin.Context) {
actorParam := c.Param("actor")
resource, err := s.registry.OutboxCollection(actorParam)
render(c, resource, err)
})
// Actor Activity
router.GET("/actors/:actor/activity/:id", func(c *gin.Context) {
actorParam := c.Param("actor")
idParam := c.Param("id")
resource, err := s.registry.ActivityOrNote("activity", actorParam, idParam)
render(c, resource, err)
})
// Activity Note
router.GET("/actors/:actor/activity/:id/note", func(c *gin.Context) {
actorParam := c.Param("actor")
idParam := c.Param("id")
resource, err := s.registry.ActivityOrNote("note", actorParam, idParam)
render(c, resource, err)
})
router.Run()
}
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