chore: move the go code into a subfolder

apps/api/internal/command/policy_password_complexity_model.go

@@ -0,0 +1,84 @@
+package command
+
+import (
+	"regexp"
+
+	"github.com/zitadel/zitadel/internal/domain"
+	"github.com/zitadel/zitadel/internal/eventstore"
+	"github.com/zitadel/zitadel/internal/repository/policy"
+	"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 PasswordComplexityPolicyWriteModel struct {
+	eventstore.WriteModel
+
+	MinLength    uint64
+	HasLowercase bool
+	HasUppercase bool
+	HasNumber    bool
+	HasSymbol    bool
+	State        domain.PolicyState
+}
+
+func (wm *PasswordComplexityPolicyWriteModel) Reduce() error {
+	for _, event := range wm.Events {
+		switch e := event.(type) {
+		case *policy.PasswordComplexityPolicyAddedEvent:
+			wm.MinLength = e.MinLength
+			wm.HasLowercase = e.HasLowercase
+			wm.HasUppercase = e.HasUppercase
+			wm.HasNumber = e.HasNumber
+			wm.HasSymbol = e.HasSymbol
+			wm.State = domain.PolicyStateActive
+		case *policy.PasswordComplexityPolicyChangedEvent:
+			if e.MinLength != nil {
+				wm.MinLength = *e.MinLength
+			}
+			if e.HasLowercase != nil {
+				wm.HasLowercase = *e.HasLowercase
+			}
+			if e.HasUppercase != nil {
+				wm.HasUppercase = *e.HasUppercase
+			}
+			if e.HasNumber != nil {
+				wm.HasNumber = *e.HasNumber
+			}
+			if e.HasSymbol != nil {
+				wm.HasSymbol = *e.HasSymbol
+			}
+		case *policy.PasswordComplexityPolicyRemovedEvent:
+			wm.State = domain.PolicyStateRemoved
+		}
+	}
+	return wm.WriteModel.Reduce()
+}
+
+func (wm *PasswordComplexityPolicyWriteModel) Validate(password string) error {
+	if wm.MinLength != 0 && uint64(len(password)) < wm.MinLength {
+		return zerrors.ThrowInvalidArgument(nil, "COMMA-HuJf6", "Errors.User.PasswordComplexityPolicy.MinLength")
+	}
+
+	if wm.HasLowercase && !hasStringLowerCase(password) {
+		return zerrors.ThrowInvalidArgument(nil, "COMMA-co3Xw", "Errors.User.PasswordComplexityPolicy.HasLower")
+	}
+
+	if wm.HasUppercase && !hasStringUpperCase(password) {
+		return zerrors.ThrowInvalidArgument(nil, "COMMA-VoaRj", "Errors.User.PasswordComplexityPolicy.HasUpper")
+	}
+
+	if wm.HasNumber && !hasNumber(password) {
+		return zerrors.ThrowInvalidArgument(nil, "COMMA-ZBv4H", "Errors.User.PasswordComplexityPolicy.HasNumber")
+	}
+
+	if wm.HasSymbol && !hasSymbol(password) {
+		return zerrors.ThrowInvalidArgument(nil, "COMMA-ZDLwA", "Errors.User.PasswordComplexityPolicy.HasSymbol")
+	}
+	return nil
+}