Twitch badge support implemented

src/badge-provider.go

@@ -0,0 +1,45 @@
+/*
+  StreamGoose internal badge provider — Go reference implementation
+  
+  Created by Luxferre in 2024, released into public domain
+*/
+
+package main
+
+import (
+  "net/http"
+)
+
+/* platform-specific badge provider implementations */
+
+func badge_provider_impls() map[string]interface{} {
+  return map[string]interface{} {
+    "tw": func(badgename string) string { /* Twitch implementation */
+      if _, ok := TW_BADGE_CACHE[badgename]; ok { /* found */
+        return TW_BADGE_CACHE[badgename]
+      } else { /* not found */
+        return ""
+      }
+    },
+    /* "kk": func(badgename string) {}, */
+  }
+}
+
+/* serve the GET /badge/{platform}/{badgename} request */
+/* returns a 301-type redirect to the resolved URL or 404 if unresolved */
+func bp_handle_request(w http.ResponseWriter, r *http.Request) {
+  platform := r.PathValue("platform")
+  badgename := r.PathValue("badgename")
+  impls := badge_provider_impls()
+  if _, ok := impls[platform]; ok { /* process the badge and return 301 */
+    badgeurl := impls[platform].(func(string) string)(badgename)
+    if len(badgeurl) > 0 { /* return 301 redirect */
+      http.Redirect(w, r, badgeurl, http.StatusMovedPermanently)
+    } else { /* return 404 */
+      http.Error(w, "404 - Badge not found", http.StatusNotFound)
+      w.Write([]byte("404 - Badge not found"))
+    }
+  } else { /* return 404 */
+    http.Error(w, "404 - Badge provider not found", http.StatusNotFound)
+  }
+}