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feat: additional logic to handle special case where a queried object id reports a context, but it is not actually contained in the resolved context's collection

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This commit is contained in:
Julian Lam
2024-07-19 11:06:19 -04:00
parent 2aa0483718
commit f9937a84c4
2 changed files with 20 additions and 4 deletions
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22
src/activitypub/contexts.js
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@@ -52,7 +52,11 @@ Contexts.get = async (uid, id) => {
return false;
};
Contexts.getItems = async (uid, id, root = true) => {
Contexts.getItems = async (uid, id, options) => {
if (!options.hasOwnProperty('root')) {
options.root = true;
}
winston.verbose(`[activitypub/context] Retrieving context ${id}`);
let { type, items, orderedItems, first, next } = await activitypub.get('uid', uid, id);
if (!acceptableTypes.includes(type)) {
@@ -71,19 +75,31 @@ Contexts.getItems = async (uid, id, root = true) => {
}
const chain = new Set(items || []);
if (!next && root && first) {
if (!next && options.root && first) {
next = first;
}
if (next) {
winston.verbose('[activitypub/context] Fetching next page...');
Array
.from(await Contexts.getItems(uid, next, false))
.from(await Contexts.getItems(uid, next, {
...options,
root: false,
}))
.forEach((item) => {
chain.add(item);
});
}
// Handle special case where originating object is not actually part of the context collection
const inputId = activitypub.helpers.isUri(options.input) ? options.input : options.input.id;
const inCollection = Array.from(chain).map(p => p.pid).includes(inputId);
if (!inCollection) {
chain.add(activitypub.helpers.isUri(options.input) ?
parseString(uid, options.input) :
parseItem(uid, options.input));
}
return chain;
};

2
src/activitypub/notes.js
View File

@@ -48,7 +48,7 @@ Notes.assert = async (uid, input, options = { skipChecks: false }) => {
const { tid } = context;
return { tid, count: 0 };
} else if (context.context) {
chain = Array.from(await activitypub.contexts.getItems(uid, context.context));
chain = Array.from(await activitypub.contexts.getItems(uid, context.context, { input }));
} else {
// Fall back to inReplyTo traversal
chain = Array.from(await Notes.getParentChain(uid, input));