[SES-3153] - Fix crash when admin deletes our attachment (#883)

* Fix crash when admin deletes an attachment

* Fix wrong column used in query

app/src/main/java/org/thoughtcrime/securesms/conversation/v2/messages/VisibleMessageView.kt

@@ -60,6 +60,7 @@ import org.thoughtcrime.securesms.groups.OpenGroupManager
 import org.thoughtcrime.securesms.home.UserDetailsBottomSheet
 import com.bumptech.glide.Glide
 import com.bumptech.glide.RequestManager
+import network.loki.messenger.libsession_util.getOrNull
 import org.session.libsession.utilities.ConfigFactoryProtocol
 import org.session.libsignal.utilities.AccountId
 import org.thoughtcrime.securesms.database.model.MmsMessageRecord
@@ -212,7 +213,7 @@ class VisibleMessageView : FrameLayout {
                     binding.moderatorIconImageView.isVisible = isModerator
                 } else if (thread.isGroupV2Recipient) {
                     val isAdmin = configFactory.withGroupConfigs(AccountId(thread.address.serialize())) {
-                        it.groupMembers.get(senderAccountID)?.admin == true
+                        it.groupMembers.getOrNull(senderAccountID)?.admin == true
                     }
 
                     binding.moderatorIconImageView.isVisible = isAdmin

app/src/main/java/org/thoughtcrime/securesms/database/LokiMessageDatabase.kt

@@ -260,7 +260,7 @@ class LokiMessageDatabase(context: Context, helper: SQLCipherOpenHelper) : Datab
                          mms_hash_table.$serverHash, 
                          mms.${MmsSmsColumns.ID},
                          mms.${MmsSmsColumns.ADDRESS},
-                         mms.${MmsDatabase.MESSAGE_TYPE},
+                         mms.${MmsDatabase.MESSAGE_BOX},
                          false
                     FROM $mmsHashTable mms_hash_table
                     LEFT OUTER JOIN ${MmsDatabase.TABLE_NAME} mms ON mms_hash_table.${messageID} = mms.${MmsSmsColumns.ID}

libsession-util/src/main/cpp/group_members.cpp

@@ -1,5 +1,7 @@
 #include "group_members.h"
 
+#include "jni_utils.h"
+
 extern "C"
 JNIEXPORT jlong JNICALL
 Java_network_loki_messenger_libsession_1util_GroupMembersConfig_00024Companion_newInstance(
@@ -52,16 +54,18 @@ extern "C"
 JNIEXPORT jobject JNICALL
 Java_network_loki_messenger_libsession_1util_GroupMembersConfig_get(JNIEnv *env, jobject thiz,
                                                                     jstring pub_key_hex) {
-    std::lock_guard lock{util::util_mutex_};
-    auto config = ptrToMembers(env, thiz);
-    auto pub_key_bytes = env->GetStringUTFChars(pub_key_hex, nullptr);
-    auto member = config->get(pub_key_bytes);
-    if (!member) {
-        return nullptr;
-    }
-    auto serialized = util::serialize_group_member(env, *member);
-    env->ReleaseStringUTFChars(pub_key_hex, pub_key_bytes);
-    return serialized;
+    return jni_utils::run_catching_cxx_exception_or_throws<jobject>(env, [=]() -> jobject {
+        std::lock_guard lock{util::util_mutex_};
+        auto config = ptrToMembers(env, thiz);
+        auto pub_key_bytes = env->GetStringUTFChars(pub_key_hex, nullptr);
+        auto member = config->get(pub_key_bytes);
+        if (!member) {
+            return nullptr;
+        }
+        auto serialized = util::serialize_group_member(env, *member);
+        env->ReleaseStringUTFChars(pub_key_hex, pub_key_bytes);
+        return serialized;
+    });
 }
 
 extern "C"

libsession-util/src/main/java/network/loki/messenger/libsession_util/Config.kt

@@ -383,6 +383,11 @@ class GroupInfoConfig private constructor(pointer: Long): ConfigBase(pointer), M
 
 interface ReadableGroupMembersConfig: ReadableConfig {
     fun all(): List<GroupMember>
+
+    /**
+     * Returns the [GroupMember] for the given [pubKeyHex] or null if it doesn't exist.
+     * Note: exception will be thrown if the [pubKeyHex] is invalid. You can opt to use [getOrNull] instead
+     */
     fun get(pubKeyHex: String): GroupMember?
     fun status(groupMember: GroupMember): GroupMember.Status
 }
@@ -391,6 +396,15 @@ fun ReadableGroupMembersConfig.allWithStatus(): Sequence<Pair<GroupMember, Group
     return all().asSequence().map { it to status(it) }
 }
 
+/**
+ * Returns the [GroupMember] for the given [pubKeyHex] or null if it doesn't exist or is invalid
+ */
+fun ReadableGroupMembersConfig.getOrNull(pubKeyHex: String): GroupMember? {
+    return runCatching {
+        get(pubKeyHex)
+    }.getOrNull()
+}
+
 interface MutableGroupMembersConfig : ReadableGroupMembersConfig, MutableConfig {
     fun getOrConstruct(pubKeyHex: String): GroupMember
     fun set(groupMember: GroupMember)