feat: add zapier support

packages/lib/server-only/public-api/get-user-by-token.ts

@@ -0,0 +1,37 @@
+import { prisma } from '@documenso/prisma';
+
+import { hashString } from '../auth/hash';
+
+export const getUserByApiToken = async ({ token }: { token: string }) => {
+  const hashedToken = hashString(token);
+
+  const user = await prisma.user.findFirst({
+    where: {
+      ApiToken: {
+        some: {
+          token: hashedToken,
+        },
+      },
+    },
+    include: {
+      ApiToken: true,
+    },
+  });
+
+  if (!user) {
+    throw new Error('Invalid token');
+  }
+
+  const retrievedToken = user.ApiToken.find((apiToken) => apiToken.token === hashedToken);
+
+  // This should be impossible but we need to satisfy TypeScript
+  if (!retrievedToken) {
+    throw new Error('Invalid token');
+  }
+
+  if (retrievedToken.expires && retrievedToken.expires < new Date()) {
+    throw new Error('Expired token');
+  }
+
+  return user;
+};

packages/lib/server-only/public-api/test-credentials.ts

@@ -0,0 +1,19 @@
+import type { NextApiRequest, NextApiResponse } from 'next';
+
+import { validateApiToken } from '@documenso/lib/server-only/webhooks/zapier/validateApiToken';
+
+export const testCredentialsHandler = async (req: NextApiRequest, res: NextApiResponse) => {
+  try {
+    const { authorization } = req.headers;
+    const user = await validateApiToken({ authorization });
+
+    return res.status(200).json({
+      username: user.name,
+      email: user.email,
+    });
+  } catch (err) {
+    return res.status(500).json({
+      message: 'Internal Server Error',
+    });
+  }
+};