[MM-66711] Verify push notifications on magic link login (#9322)

* [MM-66711] Verify push notifications on magic link login

* Address copilot suggestion

* Add missing await

---------

Co-authored-by: Mattermost Build <build@mattermost.com>

Author: larkox

app/actions/remote/session.ts

@@ -5,6 +5,7 @@ import {defineMessages, type IntlShape} from 'react-intl';
 import {Alert, DeviceEventEmitter, type AlertButton} from 'react-native';
 
 import {cancelSessionNotification, findSession} from '@actions/local/session';
+import {doPing} from '@actions/remote/general';
 import {Database, Events} from '@constants';
 import {SYSTEM_IDENTIFIERS} from '@constants/database';
 import DatabaseManager from '@database/manager';
@@ -18,8 +19,10 @@ import {getCurrentUser} from '@queries/servers/user';
 import {resetToHome} from '@screens/navigation';
 import EphemeralStore from '@store/ephemeral_store';
 import {getFullErrorMessage, isErrorWithStatusCode, isErrorWithUrl} from '@utils/errors';
+import {getIntlShape} from '@utils/general';
 import {logWarning, logError, logDebug} from '@utils/log';
 import {scheduleExpiredNotification} from '@utils/notification';
+import {canReceiveNotifications} from '@utils/push_proxy';
 import {type SAMLChallenge} from '@utils/saml_challenge';
 import {getCSRFFromCookie} from '@utils/security';
 import {getServerUrlAfterRedirect} from '@utils/url';
@@ -468,6 +471,19 @@ export const magicLinkLogin = async (serverUrl: string, token: string): Promise<
         });
         const csrfToken = await getCSRFFromCookie(serverUrlToUse);
         client.setCSRFToken(csrfToken);
+
+        // Check push notification capability (similar to normal login flow)
+        const pingResult = await doPing(
+            serverUrlToUse,
+            true, // verifyPushProxy
+            undefined, // timeoutInterval
+            undefined, // preauthSecret
+            client, // client
+        );
+        if (!pingResult.error && pingResult.canReceiveNotifications) {
+            const intl = getIntlShape(user.locale);
+            await canReceiveNotifications(serverUrlToUse, pingResult.canReceiveNotifications as string, intl);
+        }
     } catch (error) {
         return {error, failed: true};
     }

app/screens/edit_server/index.tsx

@@ -110,7 +110,12 @@ const EditServer = ({closeButtonId, componentId, server, theme}: ServerProps) =>
             }
 
             // Then try ping request - use doPing without client to avoid client pollution
-            const result = await doPing(headRequest.url, true, undefined, secretForValidation);
+            const result = await doPing(
+                headRequest.url, // serverUrl
+                true, // verifyPushProxy
+                undefined, // timeoutInterval
+                secretForValidation, // preauthSecret
+            );
             if (result.error) {
                 if (result.isPreauthError) {
                     setPreauthSecretError(formatMessage({

app/screens/server/index.tsx

@@ -146,8 +146,8 @@ const Server = ({
             handleConnect(managedConfig?.serverUrl || LocalConfig.DefaultServerUrl);
         }
 
-    // functions do not need memoization
-    // eslint-disable-next-line react-hooks/exhaustive-deps
+        // We only want to handle connect when a smaller set of variables change
+        // eslint-disable-next-line react-hooks/exhaustive-deps
     }, [managedConfig?.allowOtherServers, managedConfig?.serverUrl, managedConfig?.serverName, defaultServerUrl]);
 
     useEffect(() => {
@@ -189,8 +189,8 @@ const Server = ({
 
         return () => backHandler.remove();
 
-    // only needed on mount
-    // eslint-disable-next-line react-hooks/exhaustive-deps
+        // We register the back handler and the push notifications only on mount
+        // eslint-disable-next-line react-hooks/exhaustive-deps
     }, []);
 
     useNavButtonPressed(closeButtonId || '', componentId, dismiss, []);
@@ -329,7 +329,12 @@ const Server = ({
             }
             return;
         }
-        const result = await doPing(headRequest.url, true, managedConfig?.timeout ? parseInt(managedConfig?.timeout, 10) : undefined, preauthSecret.trim() || undefined);
+        const result = await doPing(
+            headRequest.url,
+            true, // verifyPushProxy
+            managedConfig?.timeout ? parseInt(managedConfig?.timeout, 10) : undefined, // timeoutInterval
+            preauthSecret.trim() || undefined, // preauthSecret
+        );
 
         if (canceled) {
             return;