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fix(scripts): cap clawtributor avatar probes

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This commit is contained in:
Vincent Koc
2026-05-29 17:13:39 +02:00
parent 7e8364f6d5
commit fe329ffff0
1 changed files with 39 additions and 1 deletions
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40
scripts/update-clawtributors.ts
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@@ -6,6 +6,7 @@ import type { ApiContributor, Entry, MapConfig, User } from "./update-clawtribut
const REPO = "openclaw/openclaw";
const PER_LINE = 10;
const AVATAR_PROBE_SIZE = 40;
const AVATAR_PROBE_MAX_BYTES = 256 * 1024;
const AVATAR_SIZE = 48;
const CLAWTRIBUTORS_START = "<!-- clawtributors:start -->";
const CLAWTRIBUTORS_END = "<!-- clawtributors:end -->";
@@ -459,7 +460,7 @@ async function probeDefaultGitHubAvatar(login: string): Promise<boolean> {
if (!response.ok) {
return false;
}
const buffer = Buffer.from(await response.arrayBuffer());
const buffer = await readAvatarProbeBuffer(response);
const dimensions = readImageDimensions(buffer);
return Boolean(
dimensions && (dimensions.width > AVATAR_PROBE_SIZE || dimensions.height > AVATAR_PROBE_SIZE),
@@ -469,6 +470,43 @@ async function probeDefaultGitHubAvatar(login: string): Promise<boolean> {
}
}
async function readAvatarProbeBuffer(response: Response): Promise<Buffer> {
const contentLength = Number(response.headers.get("content-length") ?? 0);
if (Number.isFinite(contentLength) && contentLength > AVATAR_PROBE_MAX_BYTES) {
throw new Error(`avatar probe exceeded ${AVATAR_PROBE_MAX_BYTES} bytes`);
}
const reader = response.body?.getReader?.();
if (!reader) {
const buffer = Buffer.from(await response.arrayBuffer());
if (buffer.byteLength > AVATAR_PROBE_MAX_BYTES) {
throw new Error(`avatar probe exceeded ${AVATAR_PROBE_MAX_BYTES} bytes`);
}
return buffer;
}
const chunks: Buffer[] = [];
let total = 0;
for (;;) {
const { done, value } = await reader.read();
if (done) {
break;
}
if (!value?.byteLength) {
continue;
}
const chunk = Buffer.from(value);
const nextTotal = total + chunk.byteLength;
if (nextTotal > AVATAR_PROBE_MAX_BYTES) {
await reader.cancel().catch(() => undefined);
throw new Error(`avatar probe exceeded ${AVATAR_PROBE_MAX_BYTES} bytes`);
}
chunks.push(chunk);
total = nextTotal;
}
return Buffer.concat(chunks, total);
}
async function filterVisibleEntries(
entries: Entry[],
hiddenLogins: ReadonlySet<string>,