Files
clawdbot/src/agents/identity-avatar.ts
2026-01-22 04:00:07 +00:00

100 lines
3.3 KiB
TypeScript

import fs from "node:fs";
import path from "node:path";
import type { ClawdbotConfig } from "../config/config.js";
import { resolveUserPath } from "../utils.js";
import { resolveAgentWorkspaceDir } from "./agent-scope.js";
import { loadAgentIdentityFromWorkspace } from "./identity-file.js";
import { resolveAgentIdentity } from "./identity.js";
export type AgentAvatarResolution =
| { kind: "none"; reason: string }
| { kind: "local"; filePath: string }
| { kind: "remote"; url: string }
| { kind: "data"; url: string };
const ALLOWED_AVATAR_EXTS = new Set([".png", ".jpg", ".jpeg", ".gif", ".webp", ".svg"]);
function normalizeAvatarValue(value: string | undefined | null): string | null {
const trimmed = value?.trim();
return trimmed ? trimmed : null;
}
function resolveAvatarSource(cfg: ClawdbotConfig, agentId: string): string | null {
const fromConfig = normalizeAvatarValue(resolveAgentIdentity(cfg, agentId)?.avatar);
if (fromConfig) return fromConfig;
const workspace = resolveAgentWorkspaceDir(cfg, agentId);
const fromIdentity = normalizeAvatarValue(loadAgentIdentityFromWorkspace(workspace)?.avatar);
return fromIdentity;
}
function isRemoteAvatar(value: string): boolean {
const lower = value.toLowerCase();
return lower.startsWith("http://") || lower.startsWith("https://");
}
function isDataAvatar(value: string): boolean {
return value.toLowerCase().startsWith("data:");
}
function resolveExistingPath(value: string): string {
try {
return fs.realpathSync(value);
} catch {
return path.resolve(value);
}
}
function isPathWithin(root: string, target: string): boolean {
const relative = path.relative(root, target);
if (!relative) return true;
return !relative.startsWith("..") && !path.isAbsolute(relative);
}
function resolveLocalAvatarPath(params: {
raw: string;
workspaceDir: string;
}): { ok: true; filePath: string } | { ok: false; reason: string } {
const workspaceRoot = resolveExistingPath(params.workspaceDir);
const raw = params.raw;
const resolved =
raw.startsWith("~") || path.isAbsolute(raw)
? resolveUserPath(raw)
: path.resolve(workspaceRoot, raw);
const realPath = resolveExistingPath(resolved);
if (!isPathWithin(workspaceRoot, realPath)) {
return { ok: false, reason: "outside_workspace" };
}
const ext = path.extname(realPath).toLowerCase();
if (!ALLOWED_AVATAR_EXTS.has(ext)) {
return { ok: false, reason: "unsupported_extension" };
}
try {
if (!fs.statSync(realPath).isFile()) {
return { ok: false, reason: "missing" };
}
} catch {
return { ok: false, reason: "missing" };
}
return { ok: true, filePath: realPath };
}
export function resolveAgentAvatar(cfg: ClawdbotConfig, agentId: string): AgentAvatarResolution {
const source = resolveAvatarSource(cfg, agentId);
if (!source) {
return { kind: "none", reason: "missing" };
}
if (isRemoteAvatar(source)) {
return { kind: "remote", url: source };
}
if (isDataAvatar(source)) {
return { kind: "data", url: source };
}
const workspaceDir = resolveAgentWorkspaceDir(cfg, agentId);
const resolved = resolveLocalAvatarPath({ raw: source, workspaceDir });
if (!resolved.ok) {
return { kind: "none", reason: resolved.reason };
}
return { kind: "local", filePath: resolved.filePath };
}