feat(cloud): add find-workspace and email verification endpoints (#2020)

* feat: add find-workspace and email verification endpoints
* sync

apps/server/src/common/validators/no-urls.validator.ts

@@ -0,0 +1,42 @@
+import { registerDecorator, ValidationOptions } from 'class-validator';
+import * as tlds from 'tlds';
+
+const URL_PATTERN = /https?:\/\//i;
+const tldSet = new Set(tlds.map((t) => t.toLowerCase()));
+
+export function containsDomain(value: string): boolean {
+  const tokens = value.split(/\s+/);
+  for (const token of tokens) {
+    if (token.includes('@')) continue;
+    const segments = token.split('.');
+    for (let i = 1; i < segments.length; i++) {
+      const suffix = segments[i].replace(/[^\w].*/g, '');
+      if (segments[i - 1] && suffix && tldSet.has(suffix.toLowerCase())) {
+        return true;
+      }
+    }
+  }
+  return false;
+}
+
+export function NoUrls(validationOptions?: ValidationOptions) {
+  return function (object: object, propertyName: string) {
+    registerDecorator({
+      name: 'noUrls',
+      target: object.constructor,
+      propertyName,
+      options: {
+        message: 'Must not contain URLs or domain names',
+        ...validationOptions,
+      },
+      validator: {
+        validate(value: unknown) {
+          if (typeof value !== 'string') return true;
+          if (URL_PATTERN.test(value)) return false;
+          if (containsDomain(value)) return false;
+          return true;
+        },
+      },
+    });
+  };
+}