Register Request email validation

.gitignore

@@ -60,3 +60,5 @@ win/dist
 webapp/cypress/screenshots
 webapp/cypress/videos
 server/swagger/clients
+server/vendor
+.idea

server/api/auth.go

@@ -71,17 +71,17 @@ type RegisterRequest struct {
 }
 
 func (rd *RegisterRequest) IsValid() error {
-	if rd.Username == "" {
-		return errors.New("Username is required")
+	if strings.TrimSpace(rd.Username) == "" {
+		return errors.New("username is required")
 	}
-	if rd.Email == "" {
-		return errors.New("Email is required")
+	if strings.TrimSpace(rd.Email) == "" {
+		return errors.New("email is required")
 	}
-	if !strings.Contains(rd.Email, "@") {
-		return errors.New("Invalid email format")
+	if auth.IsEmailValid(rd.Email) {
+		return errors.New("invalid email format")
 	}
 	if rd.Password == "" {
-		return errors.New("Password is required")
+		return errors.New("password is required")
 	}
 	if err := isValidPassword(rd.Password); err != nil {
 		return err

server/go.mod

@@ -4,11 +4,11 @@ go 1.15
 
 require (
 	github.com/Masterminds/squirrel v1.4.0
-	github.com/dgrijalva/jwt-go v3.2.0+incompatible
+	github.com/dgrijalva/jwt-go v3.2.0+incompatible // indirect
 	github.com/go-ldap/ldap v3.0.3+incompatible // indirect
-	github.com/golang-migrate/migrate v3.5.4+incompatible
+	github.com/golang-migrate/migrate v3.5.4+incompatible // indirect
 	github.com/golang-migrate/migrate/v4 v4.13.0
-	github.com/golang/gddo v0.0.0-20200831202555-721e228c7686
+	github.com/golang/gddo v0.0.0-20200831202555-721e228c7686 // indirect
 	github.com/golang/mock v1.4.4
 	github.com/google/uuid v1.1.1
 	github.com/gorilla/mux v1.8.0

server/services/auth/email.go

@@ -0,0 +1,15 @@
+package auth
+
+import "regexp"
+
+var (
+	emailRegex = regexp.MustCompile("^[a-zA-Z0-9.!#$%&'*+/=?^_`{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*$")
+)
+
+// IsEmailValid checks if the email provided passes the required structure and length.
+func IsEmailValid(e string) bool {
+	if len(e) < 3 && len(e) > 254 {
+		return false
+	}
+	return emailRegex.MatchString(e)
+}