feat: 接入消息加密与实名认证能力

server/db/mysql/realname_policy_config.go

@@ -0,0 +1,57 @@
+//go:build mysql
+// +build mysql
+
+package mysql
+
+import (
+	"database/sql"
+	"errors"
+
+	t "github.com/tinode/chat/server/store/types"
+)
+
+func (a *adapter) RealNamePolicy(tenantID t.TenantID) (*t.RealNamePolicy, error) {
+	if !tenantID.IsValid() {
+		return nil, t.ErrMalformed
+	}
+	db := a.registryDB
+	if db == nil {
+		db = a.db
+	}
+	if db == nil {
+		return nil, t.ErrInternal
+	}
+	ctx, cancel := a.getContext()
+	if cancel != nil {
+		defer cancel()
+	}
+	var policy t.RealNamePolicy
+	err := db.GetContext(ctx, &policy, `SELECT tenant_id, realname_review_policy, realname_provider_mode,
+			realname_required, realname_allow_skip, realname_remind_after
+		FROM im_tenant_config WHERE tenant_id=? LIMIT 1`, tenantID)
+	if errors.Is(err, sql.ErrNoRows) {
+		policy = *defaultRealNamePolicy(tenantID)
+		return &policy, nil
+	}
+	if isUnknownColumn(err) {
+		policy = *defaultRealNamePolicy(tenantID)
+		return &policy, nil
+	}
+	if err != nil {
+		return nil, err
+	}
+	policy.Normalize()
+	return &policy, nil
+}
+
+func defaultRealNamePolicy(tenantID t.TenantID) *t.RealNamePolicy {
+	policy := &t.RealNamePolicy{
+		TenantID:     tenantID,
+		ReviewPolicy: t.RealNameReviewPolicyNone,
+		ProviderMode: "id_card_2factor",
+		AllowSkip:    true,
+		RemindAfter:  "24h",
+	}
+	policy.Normalize()
+	return policy
+}