Initial commit

server/utils/convert.go

@@ -0,0 +1,27 @@
+package utils
+
+import (
+	"regexp"
+	"strings"
+)
+
+func UsernameToRegex(username string) (*regexp.Regexp, error) {
+	var rawUsername string
+	if rawUsername = strings.TrimPrefix(username, "regex:"); rawUsername == username {
+		rawUsername = strings.ReplaceAll(rawUsername, "*", ".*")
+	}
+	return regexp.Compile(rawUsername)
+}
+
+func PasswordToRegex(password string) (*regexp.Regexp, error) {
+	splitPassword := strings.SplitN(password, ":", 1)
+	if len(splitPassword) > 1 {
+		switch splitPassword[0] {
+		case "regex":
+			return regexp.Compile(splitPassword[1])
+		case "sha1", "sha256", "sha512":
+			password = splitPassword[1]
+		}
+	}
+	return regexp.Compile(strings.ReplaceAll(password, "*", ".*"))
+}