chore: move the go code into a subfolder

apps/api/internal/domain/policy_password_complexity.go

@@ -0,0 +1,57 @@
+package domain
+
+import (
+	"regexp"
+
+	"github.com/zitadel/zitadel/internal/eventstore/v1/models"
+	"github.com/zitadel/zitadel/internal/zerrors"
+)
+
+var (
+	hasStringLowerCase = regexp.MustCompile(`[a-z]`).MatchString
+	hasStringUpperCase = regexp.MustCompile(`[A-Z]`).MatchString
+	hasNumber          = regexp.MustCompile(`[0-9]`).MatchString
+	hasSymbol          = regexp.MustCompile(`[^A-Za-z0-9]`).MatchString
+)
+
+type PasswordComplexityPolicy struct {
+	models.ObjectRoot
+
+	MinLength    uint64
+	HasLowercase bool
+	HasUppercase bool
+	HasNumber    bool
+	HasSymbol    bool
+
+	Default bool
+}
+
+func (p *PasswordComplexityPolicy) IsValid() error {
+	if p.MinLength == 0 || p.MinLength > 72 {
+		return zerrors.ThrowInvalidArgument(nil, "MODEL-Lsp0e", "Errors.User.PasswordComplexityPolicy.MinLengthNotAllowed")
+	}
+	return nil
+}
+
+func (p *PasswordComplexityPolicy) Check(password string) error {
+	if p.MinLength != 0 && uint64(len(password)) < p.MinLength {
+		return zerrors.ThrowInvalidArgument(nil, "DOMAIN-HuJf6", "Errors.User.PasswordComplexityPolicy.MinLength")
+	}
+
+	if p.HasLowercase && !hasStringLowerCase(password) {
+		return zerrors.ThrowInvalidArgument(nil, "DOMAIN-co3Xw", "Errors.User.PasswordComplexityPolicy.HasLower")
+	}
+
+	if p.HasUppercase && !hasStringUpperCase(password) {
+		return zerrors.ThrowInvalidArgument(nil, "DOMAIN-VoaRj", "Errors.User.PasswordComplexityPolicy.HasUpper")
+	}
+
+	if p.HasNumber && !hasNumber(password) {
+		return zerrors.ThrowInvalidArgument(nil, "DOMAIN-ZBv4H", "Errors.User.PasswordComplexityPolicy.HasNumber")
+	}
+
+	if p.HasSymbol && !hasSymbol(password) {
+		return zerrors.ThrowInvalidArgument(nil, "DOMAIN-ZDLwA", "Errors.User.PasswordComplexityPolicy.HasSymbol")
+	}
+	return nil
+}