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jump to end of reports on init, better handle missing next_token

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This commit is contained in:
jesopo 2022-08-19 13:06:38 +00:00
parent 4d5447cb50
commit b2b6ff6ef4
1 changed files with 36 additions and 19 deletions
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55
src/report/ReportPoller.ts
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@ -31,7 +31,7 @@ export class ReportPoller {
* https://matrix-org.github.io/synapse/latest/admin_api/event_reports.html
* "from" is an opaque token that is returned from the API to paginate reports
*/
private from = 0;
private from: number | null = null;
/**
* The currently-pending report poll
*/
@ -60,19 +60,24 @@ export class ReportPoller {
}
private async getAbuseReports() {
let params: { dir: string, from?: number} = {
// short for direction: forward; i.e. show newest last
dir: "f",
}
if (this.from !== null) {
params["from"] = this.from;
}
let response_: {
event_reports: { room_id: string, event_id: string, sender: string, reason: string }[],
next_token: number | undefined
next_token: number | undefined,
total: number,
} | undefined;
try {
response_ = await this.mjolnir.client.doRequest(
"GET",
"/_synapse/admin/v1/event_reports",
{
// short for direction: forward; i.e. show newest last
dir: "f",
from: this.from.toString()
}
params,
);
} catch (ex) {
await this.mjolnir.logMessage(LogLevel.ERROR, "getAbuseReports", `failed to poll events: ${ex}`);
@ -80,6 +85,7 @@ export class ReportPoller {
}
const response = response_!;
for (let report of response.event_reports) {
if (!(report.room_id in this.mjolnir.protectedRooms)) {
continue;
@ -104,18 +110,29 @@ export class ReportPoller {
});
}
/*
* This API endpoint returns an opaque `next_token` number that we
* need to give back to subsequent requests for pagination, so here we
* save it in account data
*/
if (response.next_token !== undefined) {
this.from = response.next_token;
try {
await this.mjolnir.client.setAccountData(REPORT_POLL_EVENT_TYPE, { from: response.next_token });
} catch (ex) {
await this.mjolnir.logMessage(LogLevel.ERROR, "getAbuseReports", `failed to update progress: ${ex}`);
}
let from;
if (this.from === null) {
/*
* If this is our first call to this endpoint, we want to skip to
* the end of available reports, so we'll only consider reports
* that happened after we supported report polling.
*/
from = response.total;
} else {
/*
* If there are more pages for us to read, this endpoint will
* return an opaque `next_token` number that we want to provide
* on the next endpoint call. If not, we're on the last page,
* which means we want to skip to the end of this page.
*/
from = response.next_token ?? this.from + response.event_reports.length;
}
this.from = from;
try {
await this.mjolnir.client.setAccountData(REPORT_POLL_EVENT_TYPE, { from: from });
} catch (ex) {
await this.mjolnir.logMessage(LogLevel.ERROR, "getAbuseReports", `failed to update progress: ${ex}`);
}
}