From d0cbcbcb29df56ccf9d0166e96d75b8fc1d8744c Mon Sep 17 00:00:00 2001
From: ValueOn AG
Date: Mon, 16 Feb 2026 11:24:19 +0100
Subject: [PATCH] fix: auth join - try multiple Teams v2 internal URL formats,
skip launcher dialog, better session establishment
Co-authored-by: Cursor
---
src/bot/orchestrator.ts | 118 ++++++++++++++++++++++++++++++++--------
1 file changed, 95 insertions(+), 23 deletions(-)
diff --git a/src/bot/orchestrator.ts b/src/bot/orchestrator.ts
index 468e1d7..0f9c89b 100644
--- a/src/bot/orchestrator.ts
+++ b/src/bot/orchestrator.ts
@@ -154,10 +154,19 @@ export class BotOrchestrator {
waitUntil: 'domcontentloaded',
timeout: 30000,
});
- // Wait for Teams v2 to load (look for any Teams UI element)
- await this._page!.waitForTimeout(5000);
+ // Wait for Teams v2 to fully load and establish the auth session
+ // Teams v2 does multiple redirects (OAuth callback -> v2 app) which takes time
+ try {
+ await this._page!.waitForSelector('[data-tid="app-layout"], [data-tid="left-rail"], [class*="teams-"]', {
+ timeout: 15000
+ });
+ this._logger.info('Teams v2 app loaded (UI elements detected)');
+ } catch {
+ // Timeout waiting for UI elements, but auth session may still be established
+ await this._page!.waitForTimeout(5000);
+ }
const teamsUrl = this._page!.url();
- this._logger.info(`Teams session established at: ${teamsUrl}`);
+ this._logger.info(`Teams session established at: ${teamsUrl.substring(0, 80)}...`);
} catch (teamsNavError) {
this._logger.warn(`Teams session establishment failed (non-fatal): ${teamsNavError}`);
}
@@ -169,30 +178,93 @@ export class BotOrchestrator {
this._setState('navigating');
if (authenticate) {
- // AUTHENTICATED JOIN: Navigate directly to the original meeting URL
- // within the Teams v2 web app context. The launcher (/dl/launcher/) always
- // redirects to the "light-meetings" anonymous experience regardless of auth.
- // Instead, navigate directly to the original meeting URL -- Teams v2 will
- // recognize the auth session and show the authenticated pre-join screen.
- this._logger.info(`Authenticated: navigating directly to meeting URL: ${this._meetingUrl}`);
- await this._page!.goto(this._meetingUrl, {
- waitUntil: 'domcontentloaded',
- timeout: 30000,
- });
+ // AUTHENTICATED JOIN: Navigate directly to the meeting URL within the
+ // Teams v2 web app context. The external launcher (/dl/launcher/) and its
+ // "Continue on this browser" button always redirect to the anonymous
+ // light-meetings experience, even with an active auth session.
+ //
+ // Strategy: Use the Teams v2 internal URL format that keeps the user
+ // within the authenticated Teams web app. The key is to NOT go through
+ // the launcher dialog at all.
+ this._logger.info(`Authenticated: navigating to meeting within Teams v2 app...`);
- // Teams may show the launcher dialog even for direct URLs -- handle it
- await this._joinProcedure.handleLauncherIfPresent();
+ // Parse the meeting URL to extract meeting code and passcode
+ const { parseMeetingUrl } = await import('./meetingUrlParser');
+ const parsed = parseMeetingUrl(this._meetingUrl);
- // Wait for the pre-join page to stabilize
- await this._page!.waitForTimeout(3000);
+ // Try multiple URL formats to find one that works within Teams v2
+ const meetingUrlFormats = [
+ // Format 1: Teams v2 internal pre-join (most likely to keep auth)
+ `https://teams.microsoft.com/v2/#/meeting-join/${parsed.meetingId || ''}${parsed.passcode ? '?p=' + parsed.passcode : ''}`,
+ // Format 2: Direct /meet/ URL (original meeting URL)
+ this._meetingUrl,
+ // Format 3: Teams v2 hash-based deep link
+ `https://teams.microsoft.com/_#/meet/${parsed.meetingId || ''}${parsed.passcode ? '?p=' + parsed.passcode : ''}`,
+ ];
- // Verify we're on an authenticated page (no "Type your name" input)
- const pageText = await this._page!.evaluate(() => document.body?.innerText?.substring(0, 500) || '');
- if (pageText.includes('Enter the name') || pageText.includes('Type your name')) {
- this._logger.warn('Still on anonymous page after auth navigation - auth session may not have transferred');
- } else {
- this._logger.info('On authenticated pre-join page (no name input required)');
+ let joinedSuccessfully = false;
+
+ for (const url of meetingUrlFormats) {
+ this._logger.info(`Trying auth join URL: ${url}`);
+
+ try {
+ await this._page!.goto(url, {
+ waitUntil: 'domcontentloaded',
+ timeout: 20000,
+ });
+ await this._page!.waitForTimeout(3000);
+
+ // Check if we landed on the authenticated pre-join page
+ const currentUrl = this._page!.url();
+ const pageText = await this._page!.evaluate(() => document.body?.innerText?.substring(0, 500) || '');
+
+ this._logger.info(`After navigation - URL: ${currentUrl.substring(0, 100)}`);
+
+ // If we see the launcher, DON'T click "Continue on this browser" -- that leads to anon
+ if (pageText.includes('Continue on this browser') || pageText.includes('Join on the Teams app')) {
+ this._logger.info('Launcher dialog detected - skipping it (would redirect to anonymous mode)');
+ // Instead, try to find a "Use the web app" or direct join link
+ const useWebAppButton = await this._page!.$('a:has-text("Use the web app"), button:has-text("Use the web app")');
+ if (useWebAppButton) {
+ await useWebAppButton.click();
+ await this._page!.waitForTimeout(3000);
+ }
+ continue; // Try next URL format
+ }
+
+ // Check if we're on the authenticated pre-join (no name input, has "Join now")
+ if (!pageText.includes('Enter the name') && !pageText.includes('Type your name') &&
+ (pageText.includes('Join now') || pageText.includes('Join'))) {
+ this._logger.info('On authenticated pre-join page (no name input required)');
+ joinedSuccessfully = true;
+ break;
+ }
+
+ // Check if we ended up on anon page (light-meetings)
+ if (currentUrl.includes('anon=true') || currentUrl.includes('light-meetings')) {
+ this._logger.warn(`URL redirected to anonymous mode: ${currentUrl.substring(0, 80)}`);
+ continue; // Try next URL format
+ }
+
+ // Check if we're already in the meeting (Teams v2 loaded meeting directly)
+ if (pageText.includes('Leave') && pageText.includes('Mute')) {
+ this._logger.info('Already in meeting after navigation (Teams v2 joined directly)');
+ joinedSuccessfully = true;
+ break;
+ }
+
+ } catch (navError) {
+ this._logger.warn(`Navigation failed for URL ${url.substring(0, 60)}: ${navError}`);
+ continue;
+ }
}
+
+ if (!joinedSuccessfully) {
+ this._logger.warn('All authenticated URL formats failed - falling back to launcher flow');
+ // Last resort: use the launcher flow (will end up anonymous, but at least in the meeting)
+ await this._joinProcedure.startMeetingLauncherFlow(this._meetingUrl);
+ }
+
} else {
// ANONYMOUS JOIN: Use the launcher flow (resolves URL, adds anon params)
await this._joinProcedure.startMeetingLauncherFlow(this._meetingUrl);