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fix: guard invalid avatar bootstrap text

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This commit is contained in:
Peter Steinberger
2026-01-22 11:37:29 +00:00
parent 3be7ac8524
commit 019726f2d1
2 changed files with 69 additions and 5 deletions
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32
src/gateway/assistant-identity.ts
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@@ -26,6 +26,25 @@ function coerceIdentityValue(value: string | undefined, maxLength: number): stri
return trimmed.slice(0, maxLength);
}
function isAvatarUrl(value: string): boolean {
return /^https?:\/\//i.test(value) || /^data:image\//i.test(value);
}
function looksLikeAvatarPath(value: string): boolean {
if (/[\\/]/.test(value)) return true;
return /\.(png|jpe?g|gif|webp|svg|ico)$/i.test(value);
}
function normalizeAvatarValue(value: string | undefined): string | undefined {
if (!value) return undefined;
const trimmed = value.trim();
if (!trimmed) return undefined;
if (isAvatarUrl(trimmed)) return trimmed;
if (looksLikeAvatarPath(trimmed)) return trimmed;
if (!/\s/.test(trimmed) && trimmed.length <= 4) return trimmed;
return undefined;
}
export function resolveAssistantIdentity(params: {
cfg: ClawdbotConfig;
agentId?: string | null;
@@ -43,12 +62,15 @@ export function resolveAssistantIdentity(params: {
coerceIdentityValue(fileIdentity?.name, MAX_ASSISTANT_NAME) ??
DEFAULT_ASSISTANT_IDENTITY.name;
const avatarCandidates = [
coerceIdentityValue(configAssistant?.avatar, MAX_ASSISTANT_AVATAR),
coerceIdentityValue(agentIdentity?.avatar, MAX_ASSISTANT_AVATAR),
coerceIdentityValue(agentIdentity?.emoji, MAX_ASSISTANT_AVATAR),
coerceIdentityValue(fileIdentity?.avatar, MAX_ASSISTANT_AVATAR),
coerceIdentityValue(fileIdentity?.emoji, MAX_ASSISTANT_AVATAR),
];
const avatar =
coerceIdentityValue(configAssistant?.avatar, MAX_ASSISTANT_AVATAR) ??
coerceIdentityValue(agentIdentity?.avatar, MAX_ASSISTANT_AVATAR) ??
coerceIdentityValue(agentIdentity?.emoji, MAX_ASSISTANT_AVATAR) ??
coerceIdentityValue(fileIdentity?.avatar, MAX_ASSISTANT_AVATAR) ??
coerceIdentityValue(fileIdentity?.emoji, MAX_ASSISTANT_AVATAR) ??
avatarCandidates.map((candidate) => normalizeAvatarValue(candidate)).find(Boolean) ??
DEFAULT_ASSISTANT_IDENTITY.avatar;
return { agentId, name, avatar };