setup the redirect route

acm-uiuc · Jan 13, 2025 · 04bc57d · 04bc57d
1 parent 7b66f40
commit 04bc57d
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Showing 8 changed files with 539 additions and 16 deletions.
diff --git a/.eslintrc b/.eslintrc
@@ -57,6 +57,12 @@
         "@typescript-eslint/no-explicit-any": "off",
         "@typescript-eslint/no-unused-vars": "off"
       }
+    },
+    {
+      "files": ["src/api/*", "src/api/**/*"],
+      "rules": {
+        "import/no-nodejs-modules": "off"
+      }
     }
   ]
 }
diff --git a/src/api/index.ts b/src/api/index.ts
@@ -1,4 +1,3 @@
-/* eslint import/no-nodejs-modules: ["error", {"allow": ["crypto"]}] */
 import { randomUUID } from "crypto";
 import fastify, { FastifyInstance } from "fastify";
 import FastifyAuthProvider from "@fastify/auth";
@@ -18,6 +17,9 @@ import * as dotenv from "dotenv";
 import iamRoutes from "./routes/iam.js";
 import ticketsPlugin from "./routes/tickets.js";
 import { STSClient, GetCallerIdentityCommand } from "@aws-sdk/client-sts";
+import linkryRoutes from "./routes/linkry.js";
+import path from "node:path";
+import { fileURLToPath } from "node:url";
 
 dotenv.config();
 
@@ -53,6 +55,12 @@ async function init() {
       return event.requestContext.requestId;
     },
   });
+  const __filename = fileURLToPath(import.meta.url); // get the resolved path to the file
+  const __dirname = path.dirname(__filename);
+  await app.register(import("@fastify/static"), {
+    root: path.join(__dirname, "public"),
+  });
+
   await app.register(fastifyAuthPlugin);
   await app.register(fastifyZodValidationPlugin);
   await app.register(FastifyAuthProvider);
@@ -97,6 +105,7 @@ async function init() {
       api.register(icalPlugin, { prefix: "/ical" });
       api.register(iamRoutes, { prefix: "/iam" });
       api.register(ticketsPlugin, { prefix: "/tickets" });
+      api.register(linkryRoutes, { prefix: "/linkry" });
       if (app.runEnvironment === "dev") {
         api.register(vendingPlugin, { prefix: "/vending" });
       }

diff --git a/src/api/package.json b/src/api/package.json
@@ -15,6 +15,10 @@
     "prettier:write": "prettier --write *.ts **/*.ts"
   },
   "dependencies": {
-    "@aws-sdk/client-sts": "^3.726.0"
+    "@aws-sdk/client-sts": "^3.726.0",
+    "@fastify/static": "^8.0.4"
+  },
+  "devDependencies": {
+    "@types/ejs": "^3.1.5"
   }
 }
diff --git a/src/api/public/404.html b/src/api/public/404.html
@@ -0,0 +1,65 @@
+<!DOCTYPE html>
+<html lang="en">
+
+<head>
+  <meta charset="UTF-8">
+  <meta name="viewport" content="width=device-width, initial-scale=1.0">
+  <title>Page Not Found | ACM @ UIUC</title>
+  <style>
+    body {
+      margin: 0;
+      padding: 0;
+      display: flex;
+      justify-content: center;
+      align-items: center;
+      height: 100vh;
+      background-color: #1a1a1a;
+      color: #ffffff;
+      font-family: Arial, sans-serif;
+      text-align: center;
+    }
+
+    .container {
+      max-width: 600px;
+    }
+
+    h1 {
+      font-size: 10rem;
+      margin: 0;
+      color: #ffffff;
+    }
+
+    h1 span {
+      color: #ffa500;
+    }
+
+    p {
+      margin-top: 1rem;
+      font-size: 1.5rem;
+      color: #aaaaaa;
+    }
+
+    footer {
+      margin-top: 2rem;
+      font-size: 0.9rem;
+      color: #666666;
+    }
+  </style>
+  <script>
+    document.addEventListener('DOMContentLoaded', () => {
+      const yearElement = document.getElementById('year');
+      const currentYear = new Date().getFullYear();
+      yearElement.textContent = currentYear;
+    });
+  </script>
+</head>
+
+<body>
+  <div class="container">
+    <h1>4<span>0</span>4</h1>
+    <p>The page you are looking for could not be found.</p>
+    <footer>&copy; <span id="year"></span> ACM @ UIUC</footer>
+  </div>
+</body>
+
+</html>
diff --git a/src/api/public/favicon.ico b/src/api/public/favicon.ico
diff --git a/src/api/routes/linkry.ts b/src/api/routes/linkry.ts
@@ -1,9 +1,17 @@
 import { FastifyPluginAsync } from "fastify";
 import { z } from "zod";
 import { AppRoles } from "../../common/roles.js";
-import { NotImplementedError } from "../../common/errors/index.js";
+import {
+  BaseError,
+  DatabaseFetchError,
+  NotFoundError,
+  NotImplementedError,
+} from "../../common/errors/index.js";
 import { intersection } from "../plugins/auth.js";
 import { NoDataRequest } from "../types.js";
+import { DynamoDBClient, QueryCommand } from "@aws-sdk/client-dynamodb";
+import { environmentConfig, genericConfig } from "common/config.js";
+import { unmarshall } from "@aws-sdk/util-dynamodb";
 
 type LinkrySlugOnlyRequest = {
   Params: { id: string };
@@ -13,12 +21,12 @@ type LinkrySlugOnlyRequest = {
 
 const rawRequest = {
   slug: z.string().min(1),
-  full: z.string().url().min(1),
+  redirect: z.string().url().min(1),
   groups: z.optional(z.array(z.string()).min(1)),
 };
 
 const createRequest = z.object(rawRequest);
-const patchRequest = z.object({ ...rawRequest, slug: z.undefined() });
+const patchRequest = z.object({ redirect: z.string().url().min(1) });
 
 type LinkyCreateRequest = {
   Params: undefined;
@@ -32,9 +40,44 @@ type LinkryPatchRequest = {
   Body: z.infer<typeof patchRequest>;
 };
 
+const dynamoClient = new DynamoDBClient({
+  region: genericConfig.AwsRegion,
+});
+
 const linkryRoutes: FastifyPluginAsync = async (fastify, _options) => {
   fastify.get<LinkrySlugOnlyRequest>("/redir/:id", async (request, reply) => {
-    throw new NotImplementedError({});
+    const id = request.params.id;
+    const command = new QueryCommand({
+      TableName: genericConfig.LinkryDynamoTableName,
+      KeyConditionExpression:
+        "#slug = :slugVal AND begins_with(#access, :accessVal)",
+      ExpressionAttributeNames: {
+        "#slug": "slug",
+        "#access": "access",
+      },
+      ExpressionAttributeValues: {
+        ":slugVal": { S: id },
+        ":accessVal": { S: "OWNER#" },
+      },
+    });
+    try {
+      const result = await dynamoClient.send(command);
+      if (!result || !result.Items || result.Items.length === 0) {
+        return reply
+          .headers({ "content-type": "text/html" })
+          .status(404)
+          .sendFile("404.html");
+      }
+      return reply.redirect(unmarshall(result.Items[0]).redirect);
+    } catch (e) {
+      if (e instanceof BaseError) {
+        throw e;
+      }
+      request.log.error(e);
+      throw new DatabaseFetchError({
+        message: "Could not retrieve mapping, please try again later.",
+      });
+    }
   });
   fastify.post<LinkyCreateRequest>(
     "/redir",
@@ -68,6 +111,7 @@ const linkryRoutes: FastifyPluginAsync = async (fastify, _options) => {
     },
     async (request, reply) => {
       // make sure that a user can manage this link, either via owning or being in a group that has access to it, or is a LINKS_ADMIN.
+      // you can only change the URL it redirects to
       throw new NotImplementedError({});
     },
   );

diff --git a/src/common/config.ts b/src/common/config.ts
@@ -21,6 +21,7 @@ export type ConfigType = {
 type GenericConfigType = {
   EventsDynamoTableName: string;
   CacheDynamoTableName: string;
+  LinkryDynamoTableName: string;
   ConfigSecretName: string;
   UpcomingEventThresholdSeconds: number;
   AwsRegion: string;
@@ -46,6 +47,7 @@ export const execCouncilTestingGroupId = "dbe18eb2-9675-46c4-b1ef-749a6db4fedd";
 const genericConfig: GenericConfigType = {
   EventsDynamoTableName: "infra-core-api-events",
   CacheDynamoTableName: "infra-core-api-cache",
+  LinkryDynamoTableName: "infra-core-api-linkry",
   ConfigSecretName: "infra-core-api-config",
   UpcomingEventThresholdSeconds: 1800, // 30 mins
   AwsRegion: process.env.AWS_REGION || "us-east-1",