MOBILE-4214 settings: Display whether device supports encrypted push

scripts/langindex.json

@@ -2349,6 +2349,7 @@
   "core.settings.enablefirebaseanalyticsdescription": "local_moodlemobileapp",
   "core.settings.enablerichtexteditor": "local_moodlemobileapp",
   "core.settings.enablerichtexteditordescription": "local_moodlemobileapp",
+  "core.settings.encryptedpushsupported": "local_moodlemobileapp",
   "core.settings.entriesincache": "local_moodlemobileapp",
   "core.settings.estimatedfreespace": "local_moodlemobileapp",
   "core.settings.filesystemroot": "local_moodlemobileapp",

src/core/features/pushnotifications/services/pushnotifications.ts

@@ -726,7 +726,7 @@ export class CorePushNotificationsProvider {
         try {
 
             const data = this.getRequiredRegisterData();
-            data.publickey = await this.getPublicKey(site);
+            data.publickey = await this.getPublicKeyForSite(site);
 
             const neededActions = await this.getRegisterDeviceActions(data, site, forceUnregister);
 
@@ -780,11 +780,24 @@ export class CorePushNotificationsProvider {
      * @param site Site to register
      * @returns Public key, undefined if the site or the device doesn't support encryption.
      */
-    protected async getPublicKey(site: CoreSite): Promise<string | undefined> {
+    protected async getPublicKeyForSite(site: CoreSite): Promise<string | undefined> {
         if (!site.wsAvailable('core_user_update_user_device_public_key')) {
             return;
         }
 
+        return await this.getPublicKey();
+    }
+
+    /**
+     * Get the device public key.
+     *
+     * @returns Public key, undefined if the device doesn't support encryption.
+     */
+    async getPublicKey(): Promise<string | undefined> {
+        if (!CorePlatform.isMobile()) {
+            return;
+        }
+
         const publicKey = await Push.getPublicKey();
 
         return publicKey ?? undefined;

src/core/features/settings/lang.json

@@ -37,6 +37,7 @@
     "enablefirebaseanalyticsdescription": "If enabled, the app will collect anonymous data usage.",
     "enablerichtexteditor": "Enable text editor",
     "enablerichtexteditordescription": "If enabled, a text editor will be available when entering content.",
+    "encryptedpushsupported": "Encrypted push notifications supported",
     "entriesincache": "{{$a}} entries in cache",
     "estimatedfreespace": "Estimated free space",
     "filesystemroot": "File system root",

src/core/features/settings/pages/deviceinfo/deviceinfo.html

@@ -148,6 +148,13 @@
                 <p>{{ deviceInfo.pushId }}</p>
             </ion-label>
         </ion-item>
+        <ion-item *ngIf="deviceInfo.pushId" (longPress)="copyItemInfo($event)">
+            <ion-label class="ion-text-wrap">
+                <p class="item-heading">{{ 'core.settings.encryptedpushsupported' | translate }}</p>
+                <p *ngIf="!deviceInfo.encryptedPushSupported">{{ 'core.no' | translate }}</p>
+                <p *ngIf="deviceInfo.encryptedPushSupported">{{ 'core.yes' | translate }}</p>
+            </ion-label>
+        </ion-item>
         <ion-item (longPress)="copyItemInfo($event)">
             <ion-label class="ion-text-wrap">
                 <p class="item-heading">{{ 'core.settings.localnotifavailable' | translate }}</p>

src/core/features/settings/pages/deviceinfo/deviceinfo.ts

@@ -58,6 +58,7 @@ interface CoreSettingsDeviceInfo {
     uuid?: string;
     pushId?: string;
     localNotifAvailable: string;
+    encryptedPushSupported?: boolean;
 }
 
 /**
@@ -210,6 +211,11 @@ export class CoreSettingsDeviceInfoPage implements OnDestroy {
         const showDevOptionsOnConfig = await CoreConfig.get('showDevOptions', 0);
         this.devOptionsForced = CoreConstants.BUILD.isDevelopment || CoreConstants.BUILD.isTesting;
         this.showDevOptions = this.devOptionsForced || showDevOptionsOnConfig == 1;
+
+        const publicKey = this.deviceInfo.pushId ?
+            await CoreUtils.ignoreErrors(CorePushNotifications.getPublicKey()) :
+            undefined;
+        this.deviceInfo.encryptedPushSupported = publicKey !== undefined;
     }
 
     /**