well i guess i can POST releases now!

Signed-off-by: ari melody <ari@arimelody.me>

api/v1/music/music.go

@@ -3,6 +3,9 @@ package music
 import (
 	"fmt"
 	"net/http"
+	"os"
+	"path/filepath"
+	"strings"
 
 	"arimelody.me/arimelody.me/api/v1/admin"
 	"arimelody.me/arimelody.me/global"
@@ -36,6 +39,11 @@ func ServeCatalog() http.Handler {
 
 func ServeGateway() http.Handler {
     return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+        if r.URL.Path == "/" {
+            http.Redirect(w, r, "/music", http.StatusPermanentRedirect)
+            return
+        }
+
         id := r.URL.Path[1:]
         release := GetRelease(id)
         if release == nil {
@@ -60,3 +68,56 @@ func ServeGateway() http.Handler {
         }
     })
 }
+
+func ServeArtwork() http.Handler {
+    return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+        if r.URL.Path == "/" {
+            http.NotFound(w, r)
+            return
+        }
+
+        if !strings.HasSuffix(r.URL.Path, ".png") {
+            http.NotFound(w, r)
+            return
+        }
+
+        releaseID := r.URL.Path[1:len(r.URL.Path) - 4]
+        var release = GetRelease(releaseID)
+        if release == nil {
+            http.NotFound(w, r)
+            return
+        }
+
+        // only allow authorised users to view unreleased releases
+        authorised := r.Context().Value("role") != nil && r.Context().Value("role") == "admin"
+        if !release.IsReleased() && !authorised {
+            admin.MustAuthorise(ServeArtwork()).ServeHTTP(w, r)
+            return
+        }
+
+        fp := filepath.Join("data", "music-artwork", releaseID + ".png")
+        fmt.Println(fp)
+        info, err := os.Stat(fp)
+        if err != nil {
+            if os.IsNotExist(err) {
+                http.NotFound(w, r)
+                return
+            }
+        }
+        length := info.Size()
+
+        file, err := os.Open(fp)
+        if err != nil {
+            http.Error(w, http.StatusText(http.StatusInternalServerError), http.StatusInternalServerError)
+            return
+        }
+        defer file.Close()
+
+        var bytes = make([]byte, length)
+        file.Read(bytes)
+
+        w.Header().Add("Content-Type", "image/png")
+        w.WriteHeader(http.StatusOK)
+        w.Write(bytes)
+    })
+}