added stuff, broke some other stuff, made admin auth!

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

global/global.go

@@ -0,0 +1,34 @@
+package global
+
+import (
+	"net/http"
+	"time"
+)
+
+var LAST_MODIFIED = time.Now()
+
+var MimeTypes = map[string]string{
+    "css":  "text/css; charset=utf-8",
+    "png":  "image/png",
+    "jpg":  "image/jpg",
+    "webp": "image/webp",
+    "html": "text/html",
+    "asc":  "text/plain",
+    "pub":  "text/plain",
+    "js":   "application/javascript",
+}
+
+func IsModified(req *http.Request, last_modified time.Time) bool {
+    if len(req.Header["If-Modified-Since"]) == 0 || len(req.Header["If-Modified-Since"][0]) == 0 {
+        return true
+    }
+    request_time, err := time.Parse(http.TimeFormat, req.Header["If-Modified-Since"][0])
+    if err != nil {
+        return true
+    }
+    if request_time.Before(last_modified) {
+        return true
+    }
+    return false
+}
+