Add initial code

src/routes/skin.go

@@ -0,0 +1,60 @@
+package routes
+
+import (
+	"fmt"
+	"log"
+	"main/src/util"
+	"net/http"
+
+	"github.com/valyala/fasthttp"
+)
+
+func SkinHandler(ctx *fasthttp.RequestCtx) {
+	user := ctx.UserValue("user").(string)
+
+	download := ctx.QueryArgs().GetBool("download")
+
+	uuid, err := util.GetUUID(r, user)
+
+	if err != nil {
+		log.Println(err)
+
+		ctx.SetStatusCode(http.StatusInternalServerError)
+		ctx.SetBodyString(http.StatusText(http.StatusInternalServerError))
+
+		return
+	}
+
+	skin, slim, err := util.GetPlayerSkin(r, uuid)
+
+	if err != nil {
+		log.Println(err)
+
+		ctx.SetStatusCode(http.StatusInternalServerError)
+		ctx.SetBodyString(http.StatusText(http.StatusInternalServerError))
+
+		return
+	}
+
+	if skin == nil {
+		skin = util.GetDefaultSkin(slim)
+	}
+
+	data, err := util.EncodePNG(skin)
+
+	if err != nil {
+		log.Println(err)
+
+		ctx.SetStatusCode(http.StatusInternalServerError)
+		ctx.SetBodyString(http.StatusText(http.StatusInternalServerError))
+
+		return
+	}
+
+	if download {
+		ctx.Response.Header.Set("Content-Disposition", fmt.Sprintf(`attachment; filename="%s.png"`, user))
+	}
+
+	ctx.SetContentType("image/png")
+	ctx.SetBody(data)
+}