Added GetServiceByHost() func.

pkg/util/util.go

@@ -2,9 +2,55 @@ package util
 
 import (
 	"net/http"
+	"strings"
 	"time"
 )
 
+// GetServiceByHost returns a service's URL depending on what type of network
+// is accessed (www, i2p, yggdrasil).
+func GetServiceByHost(host, service string) string {
+	if strings.HasSuffix(host, "i2p") {
+		switch service {
+		case "radio":
+			return "http://radio.arav.i2p"
+		case "files":
+			return "http://files.arav.i2p"
+		case "upload":
+			return "http://upload.arav.i2p"
+		case "git":
+			return "http://git.arav.i2p"
+		default:
+			return "http://arav.i2p"
+		}
+	} else if strings.HasPrefix(host, "[300") {
+		switch service {
+		case "radio":
+			return "http://[300:a98d:d6d0:8a08::e]"
+		case "files":
+			return "http://[300:a98d:d6d0:8a08::d]"
+		case "upload":
+			return "http://[300:a98d:d6d0:8a08::c]"
+		case "git":
+			return "http://[300:a98d:d6d0:8a08::b]"
+		default:
+			return "http://[300:a98d:d6d0:8a08::f]"
+		}
+	} else {
+		switch service {
+		case "radio":
+			return "https://radio.arav.top"
+		case "files":
+			return "https://files.arav.top"
+		case "upload":
+			return "https://upload.arav.top"
+		case "git":
+			return "https://git.arav.top"
+		default:
+			return "https://arav.top"
+		}
+	}
+}
+
 // ToClientTimezone converts given time to timezone set in a
 // X-Client-Timezone header. If this header is not set, then
 // converts to UTC.