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Handle group data from log endpoint with no groupChange

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This commit is contained in:
Scott Nonnenberg 2021-02-08 13:55:21 -08:00
parent 24f2363ebe
commit 80871270c6
1 changed files with 64 additions and 33 deletions
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97
ts/groups.ts
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@ -2648,7 +2648,7 @@ async function integrateGroupChanges({
const { groupChange, groupState } = changeState;
if (!groupChange || !groupState) {
if (!groupChange && !groupState) {
window.log.warn(
'integrateGroupChanges: item had neither groupState nor groupChange. Skipping.'
);
@ -2721,7 +2721,7 @@ async function integrateGroupChange({
newRevision,
}: {
group: ConversationAttributesType;
groupChange: GroupChangeClass;
groupChange?: GroupChangeClass;
groupState?: GroupClass;
newRevision: number;
}): Promise<UpdatesResultType> {
@ -2732,46 +2732,67 @@ async function integrateGroupChange({
);
}
const groupChangeActions = window.textsecure.protobuf.GroupChange.Actions.decode(
groupChange.actions.toArrayBuffer()
);
if (groupChangeActions.version && groupChangeActions.version > newRevision) {
return {
newAttributes: group,
groupChangeMessages: [],
members: [],
};
if (!groupChange && !groupState) {
throw new Error(
`integrateGroupChange/${logId}: Neither groupChange nor groupState received!`
);
}
const decryptedChangeActions = decryptGroupChange(
groupChangeActions,
group.secretParams,
logId
);
const { sourceUuid } = decryptedChangeActions;
const sourceConversation = window.ConversationController.getOrCreate(
sourceUuid,
'private'
);
const sourceConversationId = sourceConversation.id;
const isChangeSupported =
!isNumber(groupChange.changeEpoch) ||
groupChange.changeEpoch <= SUPPORTED_CHANGE_EPOCH;
const isFirstFetch = !isNumber(group.revision);
const isMoreThanOneVersionUp =
groupChangeActions.version &&
isNumber(group.revision) &&
groupChangeActions.version > group.revision + 1;
const ourConversationId = window.ConversationController.getOurConversationIdOrThrow();
const weAreAwaitingApproval = (group.pendingAdminApprovalV2 || []).find(
item => item.conversationId === ourConversationId
);
// These need to be populated from the groupChange. But we might not get one!
let isChangeSupported = false;
let isMoreThanOneVersionUp = false;
let groupChangeActions: undefined | GroupChangeClass.Actions;
let decryptedChangeActions: undefined | GroupChangeClass.Actions;
let sourceConversationId: undefined | string;
if (groupChange) {
groupChangeActions = window.textsecure.protobuf.GroupChange.Actions.decode(
groupChange.actions.toArrayBuffer()
);
if (
groupChangeActions.version &&
groupChangeActions.version > newRevision
) {
return {
newAttributes: group,
groupChangeMessages: [],
members: [],
};
}
decryptedChangeActions = decryptGroupChange(
groupChangeActions,
group.secretParams,
logId
);
const { sourceUuid } = decryptedChangeActions;
const sourceConversation = window.ConversationController.getOrCreate(
sourceUuid,
'private'
);
sourceConversationId = sourceConversation.id;
isChangeSupported =
!isNumber(groupChange.changeEpoch) ||
groupChange.changeEpoch <= SUPPORTED_CHANGE_EPOCH;
isMoreThanOneVersionUp = Boolean(
groupChangeActions.version &&
isNumber(group.revision) &&
groupChangeActions.version > group.revision + 1
);
}
if (
!groupChange ||
!isChangeSupported ||
isFirstFetch ||
(isMoreThanOneVersionUp && !weAreAwaitingApproval)
@ -2785,7 +2806,11 @@ async function integrateGroupChange({
window.log.info(
`integrateGroupChange/${logId}: Applying full group state, from version ${group.revision} to ${groupState.version}`,
{
isChangePresent: Boolean(groupChange),
isChangeSupported,
isFirstFetch,
isMoreThanOneVersionUp,
weAreAwaitingApproval,
}
);
@ -2812,6 +2837,12 @@ async function integrateGroupChange({
};
}
if (!sourceConversationId || !groupChangeActions || !decryptedChangeActions) {
throw new Error(
`integrateGroupChange/${logId}: Missing necessary information that should have come from group actions`
);
}
window.log.info(
`integrateGroupChange/${logId}: Applying group change actions, from version ${group.revision} to ${groupChangeActions.version}`
);