better auth, list

1 files changed, 51 insertions, 15 deletions

diff --git a/main.ts b/main.ts
index d8767b0..0bb805d 100644
--- a/main.ts
+++ b/main.ts
@@ -13,13 +13,15 @@ const PUBLIC_URL = 'http://localhost:3000';
 
 const app = express();
 
-app.use(cors({ origin: 'http://localhost:8080' }));
+app.use(cors({ origin: 'http://localhost:8080', credentials: true }));
 app.use(express.json());
 app.use(cookieParser());
 
 const discdag = express()
   .post('/login', wrap(async ($req, $res) => {
     const { username, password } = $req.body;
+    if (!username || !password)
+      throw new Error("no credentials");
 
     const res = await fetch(DISCDAG_URL, {
       method: 'POST',
@@ -36,24 +38,58 @@ const discdag = express()
     if (res.status !== 200)
       throw new Error("bad response");
 
-    const cookies = (res.headers.get('set-cookie') ?? '').split(' ');
-    let digest: string | null = null;
-    for (const cookiestr of cookies) {
-      if (!cookiestr.startsWith('digest=')) continue;
+    const cookiestr = res.headers.get('set-cookie') ?? '';
+    const match = cookiestr.match(/digest=([^ ]+);/);
+    if (!match || !match[1].length) throw new Error("wrong credentials");
 
-      digest = cookiestr.split('=')[1];
-      break;
-    }
+    const doc = cheerio.load(await res.text());
+    const name = doc("font b").text().match(/browsing as (.*)$/)![1];
+    const user = `${PUBLIC_URL}/discdag/user/${name}`;
+
+    return $res
+      .cookie('digest', match[1])
+      .json({
+        '@context': 'https://www.w3.org/ns/activitystreams',
+        id: user,
+        type: 'User',
+        name,
+      });
+  }))
+
+  .get('/list', wrap(async ($req, $res) => {
+    const { digest } = $req.cookies;
 
-    if (!digest)
-      throw new Error("no digest cookie");
+    const res = await fetch(DISCDAG_URL + '?Action=ListDiscussions', {
+      method: 'POST',
+      headers: {
+        'Content-Type': 'application/x-www-form-urlencoded',
+        'Cookie': `digest=${digest}`,
+      },
+    });
 
-    const body = await res.text();
-    const discussions = [...body.matchAll(/"\/cgi-bin\/DiscDAG.py\?DiscussionID=(.+?)"/g)].map(m => m[1]);
+    const doc = cheerio.load(await res.text());
+    const name = doc("font b").text().match(/browsing as (.*)$/)![1];
+    const user = `${PUBLIC_URL}/discdag/user/${name}`;
+
+    const discussions = doc("ul > li").map(function(this: any) {
+      const writeAccess = this.children[0].data.indexOf('(W)') > -1;
+      const href = doc("a", this).attr("href")!;
+      const id = href.match(/cgi-bin\/DiscDAG.py\?DiscussionID=(.+)/)![1];
+
+      return {
+        id: `${PUBLIC_URL}/discdag/${id}`,
+        type: 'Document',
+        name: id,
+        url: {
+          type: 'Link',
+          href,
+        },
+        attributedTo: writeAccess ? user : null,
+        audience: user,
+      };
+    }).toArray();
     
-    return $res
-      .cookie('digest', digest)
-      .json({ discussions });
+    return $res.json({ discussions });
   }))
 
   .get('/user/:name', wrap(async ($req, $res) => {