Allow inviting users even if profile information cannot be retrieved.

CHANGES.md

@@ -24,6 +24,7 @@ Bugfix 🐛:
  - Fix read marker not updating automatically (#3267)
  - Sent video does not contains duration (#3272)
  - Properly clean the back stack if the user cancel registration when waiting for email validation
+ - Fix user invitation in case of restricted profile api (#3306)
 
 Translations 🗣:
  -

matrix-sdk-android/src/main/java/org/matrix/android/sdk/api/session/profile/ProfileService.kt

@@ -66,6 +66,7 @@ interface ProfileService {
     /**
      * Get the combined profile information for this user.
      * This may return keys which are not limited to displayname or avatar_url.
+     * If server is configured as limit_profile_requests_to_users_who_share_rooms: true then response will be HTTP 403.
      * @param userId the userId param to look for
      *
      */

matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/session/profile/ProfileAPI.kt

@@ -33,6 +33,7 @@ internal interface ProfileAPI {
      * Get the combined profile information for this user.
      * This API may be used to fetch the user's own profile information or other users; either locally or on remote homeservers.
      * This API may return keys which are not limited to displayname or avatar_url.
+     * If server is configured as limit_profile_requests_to_users_who_share_rooms: true then response will be HTTP 403.
      * @param userId the user id to fetch profile info
      */
     @GET(NetworkConstants.URI_API_PREFIX_PATH_R0 + "profile/{userId}")

vector/src/main/java/im/vector/app/features/userdirectory/UserListViewModel.kt

@@ -137,7 +137,15 @@ class UserListViewModel @AssistedInject constructor(@Assisted initialState: User
                                                 avatarUrl = json[ProfileService.AVATAR_URL_KEY] as? String
                                         ).toOptional()
                                     }
-                                    .onErrorReturn { Optional.empty() }
+                                    .onErrorReturn {
+                                        // Profile API can be restricted and doesn't have to return result.
+                                        // In this case allow inviting valid user ids.
+                                        User(
+                                                userId = search,
+                                                displayName = search,
+                                                avatarUrl = null
+                                        ).toOptional()
+                                    }
 
                             Single.zip(
                                     searchObservable,