fix(security): tighten elevated allowFrom sender matching
This commit is contained in:
@@ -48,7 +48,7 @@ describe("trigger handling", () => {
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it("uses tools.elevated.allowFrom.discord for elevated approval", async () => {
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await withTempHome(async (home) => {
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const cfg = makeCfg(home);
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cfg.tools = { elevated: { allowFrom: { discord: ["steipete"] } } };
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cfg.tools = { elevated: { allowFrom: { discord: ["123"] } } };
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const res = await getReplyFromConfig(
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{
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@@ -19,6 +19,7 @@ function buildContext(overrides?: Partial<MsgContext>): MsgContext {
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return {
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Provider: "whatsapp",
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Surface: "whatsapp",
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SenderId: "+15550001111",
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From: "whatsapp:+15550001111",
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SenderE164: "+15550001111",
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To: "+15559990000",
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@@ -55,4 +56,39 @@ describe("resolveElevatedPermissions", () => {
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key: "tools.elevated.allowFrom.whatsapp",
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});
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});
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it("does not authorize untyped mutable sender fields", () => {
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const result = resolveElevatedPermissions({
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cfg: buildConfig(["owner-display-name"]),
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agentId: "main",
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provider: "whatsapp",
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ctx: buildContext({
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SenderName: "owner-display-name",
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SenderUsername: "owner-display-name",
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SenderTag: "owner-display-name",
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}),
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});
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expect(result.enabled).toBe(true);
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expect(result.allowed).toBe(false);
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expect(result.failures).toContainEqual({
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gate: "allowFrom",
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key: "tools.elevated.allowFrom.whatsapp",
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});
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});
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it("authorizes mutable sender fields only with explicit prefix", () => {
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const result = resolveElevatedPermissions({
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cfg: buildConfig(["username:owner_username"]),
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agentId: "main",
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provider: "whatsapp",
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ctx: buildContext({
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SenderUsername: "owner_username",
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}),
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});
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expect(result.enabled).toBe(true);
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expect(result.allowed).toBe(true);
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expect(result.failures).toHaveLength(0);
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});
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});
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@@ -8,6 +8,17 @@ import { INTERNAL_MESSAGE_CHANNEL } from "../../utils/message-channel.js";
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import type { MsgContext } from "../templating.js";
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export { formatElevatedUnavailableMessage } from "./elevated-unavailable.js";
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type ExplicitElevatedAllowField = "id" | "from" | "e164" | "name" | "username" | "tag";
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const EXPLICIT_ELEVATED_ALLOW_FIELDS = new Set<ExplicitElevatedAllowField>([
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"id",
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"from",
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"e164",
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"name",
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"username",
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"tag",
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]);
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function normalizeAllowToken(value?: string) {
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if (!value) {
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return "";
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@@ -48,7 +59,120 @@ function resolveElevatedAllowList(
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return Array.isArray(value) ? value : fallbackAllowFrom;
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}
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function parseExplicitElevatedAllowEntry(
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entry: string,
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): { field: ExplicitElevatedAllowField; value: string } | null {
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const separatorIndex = entry.indexOf(":");
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if (separatorIndex <= 0) {
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return null;
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}
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const fieldRaw = entry.slice(0, separatorIndex).trim().toLowerCase();
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if (!EXPLICIT_ELEVATED_ALLOW_FIELDS.has(fieldRaw as ExplicitElevatedAllowField)) {
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return null;
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}
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const value = entry.slice(separatorIndex + 1).trim();
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if (!value) {
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return null;
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}
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return {
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field: fieldRaw as ExplicitElevatedAllowField,
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value,
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};
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}
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function addTokenVariants(tokens: Set<string>, value: string) {
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if (!value) {
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return;
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}
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tokens.add(value);
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const normalized = normalizeAllowToken(value);
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if (normalized) {
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tokens.add(normalized);
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}
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}
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function addProviderFormattedTokens(params: {
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cfg: OpenClawConfig;
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provider: string;
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accountId?: string;
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values: string[];
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tokens: Set<string>;
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}) {
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const normalizedProvider = normalizeChannelId(params.provider);
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const dock = normalizedProvider ? getChannelDock(normalizedProvider) : undefined;
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const formatted = dock?.config?.formatAllowFrom
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? dock.config.formatAllowFrom({
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cfg: params.cfg,
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accountId: params.accountId,
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allowFrom: params.values,
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})
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: params.values.map((entry) => String(entry).trim()).filter(Boolean);
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for (const entry of formatted) {
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addTokenVariants(params.tokens, entry);
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}
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}
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function matchesProviderFormattedTokens(params: {
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cfg: OpenClawConfig;
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provider: string;
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accountId?: string;
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value: string;
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includeStripped?: boolean;
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tokens: Set<string>;
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}): boolean {
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const probeTokens = new Set<string>();
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const values = params.includeStripped
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? [params.value, stripSenderPrefix(params.value)].filter(Boolean)
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: [params.value];
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addProviderFormattedTokens({
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cfg: params.cfg,
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provider: params.provider,
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accountId: params.accountId,
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values,
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tokens: probeTokens,
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});
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for (const token of probeTokens) {
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if (params.tokens.has(token)) {
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return true;
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}
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}
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return false;
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}
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function buildMutableTokens(value?: string): Set<string> {
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const tokens = new Set<string>();
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const trimmed = value?.trim();
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if (!trimmed) {
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return tokens;
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}
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addTokenVariants(tokens, trimmed);
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const slugged = slugAllowToken(trimmed);
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if (slugged) {
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addTokenVariants(tokens, slugged);
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}
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return tokens;
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}
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function matchesMutableTokens(value: string, tokens: Set<string>): boolean {
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if (!value || tokens.size === 0) {
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return false;
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}
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const probes = new Set<string>();
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addTokenVariants(probes, value);
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const slugged = slugAllowToken(value);
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if (slugged) {
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addTokenVariants(probes, slugged);
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}
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for (const probe of probes) {
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if (tokens.has(probe)) {
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return true;
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}
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}
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return false;
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}
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function isApprovedElevatedSender(params: {
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cfg: OpenClawConfig;
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provider: string;
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ctx: MsgContext;
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allowFrom?: AgentElevatedAllowFromConfig;
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@@ -71,48 +195,124 @@ function isApprovedElevatedSender(params: {
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return true;
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}
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const tokens = new Set<string>();
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const addToken = (value?: string) => {
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if (!value) {
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return;
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}
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const trimmed = value.trim();
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if (!trimmed) {
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return;
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}
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tokens.add(trimmed);
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const normalized = normalizeAllowToken(trimmed);
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if (normalized) {
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tokens.add(normalized);
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}
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const slugged = slugAllowToken(trimmed);
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if (slugged) {
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tokens.add(slugged);
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}
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};
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const senderIdTokens = new Set<string>();
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const senderFromTokens = new Set<string>();
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const senderE164Tokens = new Set<string>();
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addToken(params.ctx.SenderName);
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addToken(params.ctx.SenderUsername);
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addToken(params.ctx.SenderTag);
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addToken(params.ctx.SenderE164);
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addToken(params.ctx.From);
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addToken(stripSenderPrefix(params.ctx.From));
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if (params.ctx.SenderId?.trim()) {
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addProviderFormattedTokens({
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cfg: params.cfg,
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provider: params.provider,
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accountId: params.ctx.AccountId,
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values: [params.ctx.SenderId, stripSenderPrefix(params.ctx.SenderId)].filter(Boolean),
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tokens: senderIdTokens,
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});
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}
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if (params.ctx.From?.trim()) {
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addProviderFormattedTokens({
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cfg: params.cfg,
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provider: params.provider,
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accountId: params.ctx.AccountId,
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values: [params.ctx.From, stripSenderPrefix(params.ctx.From)].filter(Boolean),
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tokens: senderFromTokens,
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});
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}
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if (params.ctx.SenderE164?.trim()) {
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addProviderFormattedTokens({
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cfg: params.cfg,
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provider: params.provider,
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accountId: params.ctx.AccountId,
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values: [params.ctx.SenderE164],
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tokens: senderE164Tokens,
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});
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}
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const senderIdentityTokens = new Set<string>([
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...senderIdTokens,
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...senderFromTokens,
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...senderE164Tokens,
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]);
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for (const rawEntry of allowTokens) {
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const entry = rawEntry.trim();
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if (!entry) {
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const senderNameTokens = buildMutableTokens(params.ctx.SenderName);
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const senderUsernameTokens = buildMutableTokens(params.ctx.SenderUsername);
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const senderTagTokens = buildMutableTokens(params.ctx.SenderTag);
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for (const entry of allowTokens) {
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const explicitEntry = parseExplicitElevatedAllowEntry(entry);
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if (!explicitEntry) {
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if (
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matchesProviderFormattedTokens({
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cfg: params.cfg,
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provider: params.provider,
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accountId: params.ctx.AccountId,
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value: entry,
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includeStripped: true,
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tokens: senderIdentityTokens,
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})
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) {
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return true;
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}
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continue;
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}
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const stripped = stripSenderPrefix(entry);
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if (tokens.has(entry) || tokens.has(stripped)) {
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return true;
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if (explicitEntry.field === "id") {
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if (
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matchesProviderFormattedTokens({
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cfg: params.cfg,
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provider: params.provider,
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accountId: params.ctx.AccountId,
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value: explicitEntry.value,
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includeStripped: true,
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tokens: senderIdTokens,
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})
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) {
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return true;
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}
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continue;
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}
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const normalized = normalizeAllowToken(stripped);
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if (normalized && tokens.has(normalized)) {
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return true;
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if (explicitEntry.field === "from") {
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if (
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matchesProviderFormattedTokens({
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cfg: params.cfg,
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provider: params.provider,
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accountId: params.ctx.AccountId,
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value: explicitEntry.value,
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includeStripped: true,
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tokens: senderFromTokens,
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})
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) {
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return true;
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}
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continue;
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}
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const slugged = slugAllowToken(stripped);
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if (slugged && tokens.has(slugged)) {
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if (explicitEntry.field === "e164") {
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if (
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matchesProviderFormattedTokens({
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cfg: params.cfg,
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provider: params.provider,
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accountId: params.ctx.AccountId,
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value: explicitEntry.value,
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tokens: senderE164Tokens,
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})
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) {
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return true;
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}
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continue;
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}
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if (explicitEntry.field === "name") {
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if (matchesMutableTokens(explicitEntry.value, senderNameTokens)) {
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return true;
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}
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continue;
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}
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if (explicitEntry.field === "username") {
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if (matchesMutableTokens(explicitEntry.value, senderUsernameTokens)) {
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return true;
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}
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continue;
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}
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if (
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explicitEntry.field === "tag" &&
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matchesMutableTokens(explicitEntry.value, senderTagTokens)
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) {
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return true;
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}
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}
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@@ -162,6 +362,7 @@ export function resolveElevatedPermissions(params: {
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: undefined;
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const fallbackAllowFrom = dockFallbackAllowFrom;
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const globalAllowed = isApprovedElevatedSender({
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cfg: params.cfg,
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provider: params.provider,
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ctx: params.ctx,
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allowFrom: globalConfig?.allowFrom,
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@@ -177,6 +378,7 @@ export function resolveElevatedPermissions(params: {
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const agentAllowed = agentConfig?.allowFrom
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? isApprovedElevatedSender({
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cfg: params.cfg,
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provider: params.provider,
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ctx: params.ctx,
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allowFrom: agentConfig.allowFrom,
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