fix(BREAKING): rename webdav/ --> lib/ (#36)

License: MIT
Signed-off-by: Henrique Dias <[email protected]>

lib/user.go

@@ -0,0 +1,48 @@
+package lib
+
+import (
+	"regexp"
+	"strings"
+
+	"golang.org/x/net/webdav"
+)
+
+// Rule is a dissalow/allow rule.
+type Rule struct {
+	Regex  bool
+	Allow  bool
+	Path   string
+	Regexp *regexp.Regexp
+}
+
+// User contains the settings of each user.
+type User struct {
+	Username string
+	Password string
+	Scope    string
+	Modify   bool
+	Rules    []*Rule
+	Handler  *webdav.Handler
+}
+
+// Allowed checks if the user has permission to access a directory/file
+func (u User) Allowed(url string) bool {
+	var rule *Rule
+	i := len(u.Rules) - 1
+
+	for i >= 0 {
+		rule = u.Rules[i]
+
+		if rule.Regex {
+			if rule.Regexp.MatchString(url) {
+				return rule.Allow
+			}
+		} else if strings.HasPrefix(url, rule.Path) {
+			return rule.Allow
+		}
+
+		i--
+	}
+
+	return true
+}