updated

prometheus.go

@@ -1484,9 +1484,9 @@ func main() {
 	//Pass on the AJAX post /upload handler to the uploadHandler() function
 	http.HandleFunc("/upload", uploadHandler)
 	log.Println("Listening...")
-	tlserr := http.ListenAndServeTLS(":3000", "server.crt", "server.key", nil)
-	if tlserr != nil {
-		fmt.Println("If you want the program to utilize TLS (i.e. host an encrypted HTTPS front end, please do the following in command line in the same directory as prometheus.go to first create a private self-signed rsa key, then a public key (x509) key based on the private key:\n\topenssl genrsa -out server.key 2048\n\topenssl req -new -x509 -sha256 -key server.key -out server.crt -days 3650\nThen make sure you finish filling in the details asked in command line.\n\nFor now, unencrypted http will be used.")
+	if utils.Exists(utils.Pwd()+"/server.crt") && utils.Exists(utils.Pwd()+"/server.key") {
+		log.Fatal(http.ListenAndServeTLS(":3000", utils.Pwd()+"/server.crt", utils.Pwd()+"/server.key", nil))
+		fmt.Println("If you want the program to utilize TLS (i.e. host an encrypted HTTPS front end, please do the following in command line in the same directory as the bigdisk executable to first create a private self-signed rsa key, then a public key (x509) key based on the private key:\n\topenssl genrsa -out server.key 2048\n\topenssl req -new -x509 -sha256 -key server.key -out server.crt -days 3650\nThen make sure you finish filling in the details asked in command line.\n\nFor now, unencrypted http will be used.")
 		log.Fatal(http.ListenAndServe(":3000", nil))
 	}
 

utils/utils.go

@@ -408,3 +408,15 @@ func WriteEnableLed(arg string) {
 		fmt.Println("Error writing back enableemail file for " + Pwd() + "/public/json/enableled")
 	}
 }
+
+func Exists(path string) bool {
+	_, err := os.Stat(path)
+	if err == nil {
+		return true
+	}
+	if os.IsNotExist(err) {
+		return false
+	}
+	return true
+}
+