1 files changed, 57 insertions, 0 deletions
diff --git a/routes/webfinger.go b/routes/webfinger.go
new file mode 100644
index 0000000..221b7dc
--- /dev/null
+++ b/routes/webfinger.go
@@ -0,0 +1,57 @@
+package routes
+
+import (
+	"encoding/json"
+	"strings"
+
+	"github.com/FChannel0/FChannel-Server/activitypub"
+	"github.com/FChannel0/FChannel-Server/config"
+	"github.com/FChannel0/FChannel-Server/webfinger"
+	"github.com/gofiber/fiber/v2"
+)
+
+func Webfinger(c *fiber.Ctx) error {
+	acct := c.Query("resource")
+
+	if len(acct) < 1 {
+		c.Status(fiber.StatusBadRequest)
+		return c.Send([]byte("resource needs a value"))
+	}
+
+	acct = strings.Replace(acct, "acct:", "", -1)
+
+	actorDomain := strings.Split(acct, "@")
+
+	if len(actorDomain) < 2 {
+		c.Status(fiber.StatusBadRequest)
+		return c.Send([]byte("accpets only subject form of acct:board@instance"))
+	}
+
+	if actorDomain[0] == "main" {
+		actorDomain[0] = ""
+	} else {
+		actorDomain[0] = "/" + actorDomain[0]
+	}
+
+	if res, err := activitypub.IsActorLocal(config.TP + "" + actorDomain[1] + "" + actorDomain[0]); err == nil && !res {
+		c.Status(fiber.StatusBadRequest)
+		return c.Send([]byte("actor not local"))
+	} else if err != nil {
+		return err
+	}
+
+	var finger webfinger.Webfinger
+	var link webfinger.WebfingerLink
+
+	finger.Subject = "acct:" + actorDomain[0] + "@" + actorDomain[1]
+	link.Rel = "self"
+	link.Type = "application/activity+json"
+	link.Href = config.TP + "" + actorDomain[1] + "" + actorDomain[0]
+
+	finger.Links = append(finger.Links, link)
+
+	enc, _ := json.Marshal(finger)
+
+	c.Set("Content-Type", config.ActivityStreams)
+	return c.Send(enc)
+}