Mathews-Tom
1416 lines
57 KiB
TypeScript
1416 lines
57 KiB
TypeScript
/**
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* Tests for secrets regex parsing, compilation, and obfuscation.
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*/
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import { describe, expect, it } from "bun:test";
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import * as fs from "node:fs/promises";
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import * as os from "node:os";
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import * as path from "node:path";
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import type { AgentMessage } from "@oh-my-pi/pi-agent-core";
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import type { AssistantMessage, Context, Message } from "@oh-my-pi/pi-ai";
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import {
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getExistingSecretPlaceholderKey,
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getSecretPlaceholderKey,
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loadSecrets,
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} from "@oh-my-pi/pi-coding-agent/secrets";
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import {
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deobfuscateAgentMessages,
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deobfuscateSessionContext,
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deobfuscateToolArguments,
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obfuscateMessages,
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obfuscateProviderContext,
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SecretObfuscator,
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sanitizeSecretFriendlyName,
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secretEntryNeedsPlaceholderKey,
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stripPendingSecretPlaceholderSuffix,
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} from "@oh-my-pi/pi-coding-agent/secrets/obfuscator";
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import { compileSecretRegex } from "@oh-my-pi/pi-coding-agent/secrets/regex";
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import { getActiveProfile, getConfigRootDir, setProfile } from "@oh-my-pi/pi-utils/dirs";
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import { type } from "arktype";
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describe("compileSecretRegex", () => {
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it("adds global flag when not provided", () => {
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const regex = compileSecretRegex("api[_-]?key\\s*=\\s*\\w+", "i");
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expect(regex.source).toBe("api[_-]?key\\s*=\\s*\\w+");
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expect(regex.flags).toBe("gi");
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});
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it("defaults to global flag when no flags provided", () => {
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const regex = compileSecretRegex("api[_-]?key\\s*=\\s*\\w+");
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expect(regex.source).toBe("api[_-]?key\\s*=\\s*\\w+");
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expect(regex.flags).toBe("g");
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});
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it("rejects invalid regex pattern", () => {
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expect(() => compileSecretRegex("(")).toThrow();
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});
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it("rejects invalid regex flags", () => {
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expect(() => compileSecretRegex("x", "zz")).toThrow();
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});
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});
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describe("SecretObfuscator regex behavior", () => {
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it("obfuscates and deobfuscates regex matches with flags", () => {
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const obfuscator = new SecretObfuscator([{ type: "regex", content: "api[_-]?key\\s*=\\s*\\w+", flags: "i" }]);
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const original = "API_KEY=abc and api-key=def";
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const obfuscated = obfuscator.obfuscate(original);
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expect(obfuscated).not.toEqual(original);
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expect(obfuscator.deobfuscate(obfuscated)).toEqual(original);
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});
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it("supports bare regex patterns without explicit flags", () => {
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const obfuscator = new SecretObfuscator([{ type: "regex", content: "api[_-]?key\\s*=\\s*\\w+" }]);
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const text = "api_key=abc and API_KEY=def";
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const obfuscated = obfuscator.obfuscate(text);
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expect(obfuscated).not.toEqual(text);
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expect(obfuscator.deobfuscate(obfuscated)).toEqual(text);
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});
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it("deobfuscates placeholders through tool-call arguments", () => {
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const obfuscator = new SecretObfuscator([{ type: "regex", content: "api[_-]?key\\s*=\\s*\\w+", flags: "i" }]);
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const original = { cmd: "API_KEY=abc and api-key=def", status: "ok", nested: { note: "API_KEY=zzz" } };
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const obfuscated = {
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cmd: obfuscator.obfuscate(original.cmd),
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status: original.status,
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nested: { note: obfuscator.obfuscate(original.nested.note) },
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};
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expect(JSON.stringify(obfuscated)).not.toContain("API_KEY=abc");
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expect(deobfuscateToolArguments(obfuscator, obfuscated)).toEqual(original);
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});
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it("obfuscates conversation messages but leaves the system prompt untouched", () => {
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const secret = "SUPER_SECRET_TOKEN_12345";
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const obfuscator = new SecretObfuscator([{ type: "plain", content: secret }]);
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const context: Context = {
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systemPrompt: [`workspace contains ${secret}`],
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messages: [{ role: "user", content: `use ${secret}`, timestamp: 1 }],
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};
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const obfuscated = obfuscateProviderContext(obfuscator, context);
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// Conversation messages are redacted (and round-trip back to the secret)...
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expect(JSON.stringify(obfuscated.messages)).not.toContain(secret);
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expect(obfuscator.deobfuscate(JSON.stringify(obfuscated.messages))).toContain(secret);
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// ...but the author-controlled system prompt passes through by reference.
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expect(obfuscated.systemPrompt).toBe(context.systemPrompt);
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});
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it("leaves tool schemas untouched in provider context (no clone, no redaction)", () => {
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const secret = "SUPER_SECRET_TOKEN_12345";
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const obfuscator = new SecretObfuscator([{ type: "plain", content: secret }]);
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const parameters = type({
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note: "string",
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}).describe(`write ${secret}`);
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const context: Context = {
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messages: [],
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tools: [
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{
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name: "extension_tool",
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description: `preserve ${secret}`,
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parameters,
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},
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],
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};
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const obfuscated = obfuscateProviderContext(obfuscator, context);
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expect(obfuscated.tools).toBe(context.tools);
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expect(obfuscated.tools?.[0]?.parameters).toBe(parameters);
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});
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it("redacts only user, tool-result, and user-attributed developer messages", () => {
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const secret = "SUPER_SECRET_TOKEN_12345";
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const obfuscator = new SecretObfuscator([{ type: "plain", content: secret }]);
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const userMsg: Message = { role: "user", content: `user says ${secret}`, timestamp: 1 };
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const systemDeveloperMsg: Message = { role: "developer", content: `system reminder ${secret}`, timestamp: 1 };
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const fileMentionMsg: Message = {
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role: "developer",
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content: `<file>${secret}</file>`,
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attribution: "user",
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timestamp: 1,
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};
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const assistantMsg: Message = {
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role: "assistant",
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content: [
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{
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type: "toolCall",
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id: "call_1",
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name: "handoff",
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arguments: { note: secret },
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intent: `handoff ${secret}`,
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},
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],
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api: "test",
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provider: "test",
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model: "test",
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usage: {
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input: 0,
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output: 0,
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cacheRead: 0,
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cacheWrite: 0,
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totalTokens: 0,
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cost: { input: 0, output: 0, cacheRead: 0, cacheWrite: 0, total: 0 },
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},
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stopReason: "toolUse",
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timestamp: 1,
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};
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const toolResultMsg: Message = {
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role: "toolResult",
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toolCallId: "call_1",
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toolName: "read",
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content: [{ type: "text", text: `tool output ${secret}` }],
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isError: false,
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timestamp: 1,
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};
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const obfuscated = obfuscateMessages(obfuscator, [
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userMsg,
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systemDeveloperMsg,
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fileMentionMsg,
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assistantMsg,
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toolResultMsg,
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]);
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// User, user-attributed developer, and tool results are redacted.
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expect(JSON.stringify(obfuscated[0])).not.toContain(secret);
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expect(JSON.stringify(obfuscated[2])).not.toContain(secret);
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expect(JSON.stringify(obfuscated[4])).not.toContain(secret);
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// System developer reminders and assistant output pass through untouched (same reference).
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expect(obfuscated[1]).toBe(systemDeveloperMsg);
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expect(obfuscated[3]).toBe(assistantMsg);
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});
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it("never rewrites inline image bytes", () => {
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const secret = "SUPER_SECRET_TOKEN_12345";
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const obfuscator = new SecretObfuscator([{ type: "plain", content: secret }]);
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// A base64 payload that literally contains the secret substring must survive byte-identical;
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// rewriting it would corrupt the data URL (the Codex "invalid base64" failure).
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const imageData = `iVBORw0KGgo${secret}AAAASUVORK5CYII=`;
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const message: Message = {
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role: "toolResult",
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toolCallId: "call_1",
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toolName: "read",
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content: [
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{ type: "text", text: `read ${secret}` },
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{ type: "image", data: imageData, mimeType: "image/png" },
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],
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isError: false,
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timestamp: 1,
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};
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const [obfuscated] = obfuscateMessages(obfuscator, [message]) as [typeof message];
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const blocks = obfuscated.content;
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const image = blocks[1];
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const text = blocks[0];
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// Image bytes untouched...
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expect(image.type === "image" && image.data).toBe(imageData);
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// ...while the adjacent text is redacted.
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expect(text.type === "text" && text.text.includes(secret)).toBe(false);
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});
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it("ignores configured plain secrets shorter than 8 characters", () => {
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const obfuscator = new SecretObfuscator([{ type: "plain", content: "esp" }]);
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expect(obfuscator.hasSecrets()).toBe(false);
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expect(obfuscator.obfuscate("the response despite whitespace")).toBe("the response despite whitespace");
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});
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it("ignores regex matches shorter than 8 characters", () => {
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const obfuscator = new SecretObfuscator([{ type: "regex", content: "esp" }]);
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expect(obfuscator.obfuscate("the response despite whitespace")).toBe("the response despite whitespace");
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});
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});
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describe("getSecretPlaceholderKey", () => {
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async function withTempConfigRoot(run: () => Promise<void>): Promise<void> {
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const originalProfile = getActiveProfile();
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const originalConfigDir = process.env.PI_CONFIG_DIR;
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const originalAgentDir = process.env.PI_CODING_AGENT_DIR;
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const configDirName = `.omp-secret-key-${process.pid}-${Date.now()}-${Math.random().toString(36).slice(2)}`;
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const configRoot = path.join(os.homedir(), configDirName);
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try {
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process.env.PI_CONFIG_DIR = configDirName;
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setProfile(undefined);
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await run();
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} finally {
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setProfile(undefined);
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if (originalConfigDir === undefined) {
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delete process.env.PI_CONFIG_DIR;
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} else {
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process.env.PI_CONFIG_DIR = originalConfigDir;
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}
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if (originalAgentDir === undefined) {
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delete process.env.PI_CODING_AGENT_DIR;
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} else {
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process.env.PI_CODING_AGENT_DIR = originalAgentDir;
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}
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setProfile(originalProfile);
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await fs.rm(configRoot, { recursive: true, force: true });
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}
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}
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it("caches placeholder keys per profile config root", async () => {
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await withTempConfigRoot(async () => {
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const alphaKey = "A".repeat(43);
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const betaKey = "B".repeat(43);
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setProfile("alpha");
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await fs.mkdir(getConfigRootDir(), { recursive: true });
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await fs.writeFile(path.join(getConfigRootDir(), "secret-placeholder.key"), alphaKey);
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expect(await getSecretPlaceholderKey()).toBe(alphaKey);
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setProfile("beta");
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await fs.mkdir(getConfigRootDir(), { recursive: true });
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await fs.writeFile(path.join(getConfigRootDir(), "secret-placeholder.key"), betaKey);
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expect(await getSecretPlaceholderKey()).toBe(betaKey);
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});
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});
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it("rejects truncated placeholder key files", async () => {
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await withTempConfigRoot(async () => {
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setProfile("truncated");
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await fs.mkdir(getConfigRootDir(), { recursive: true });
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await fs.writeFile(path.join(getConfigRootDir(), "secret-placeholder.key"), "abc123");
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await expect(getSecretPlaceholderKey()).rejects.toThrow("secret placeholder key");
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});
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});
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it("retries empty existing placeholder key files without creating a new one", async () => {
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await withTempConfigRoot(async () => {
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setProfile("race");
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await fs.mkdir(getConfigRootDir(), { recursive: true });
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const keyPath = path.join(getConfigRootDir(), "secret-placeholder.key");
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await fs.writeFile(keyPath, "");
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const eventualKey = "C".repeat(43);
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const writer = Bun.sleep(25).then(() => fs.writeFile(keyPath, eventualKey));
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await expect(getExistingSecretPlaceholderKey()).resolves.toBe(eventualKey);
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await writer;
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});
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});
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it("treats an invalid existing placeholder key as absent for redaction", async () => {
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await withTempConfigRoot(async () => {
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setProfile("invalid-existing");
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await fs.mkdir(getConfigRootDir(), { recursive: true });
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await fs.writeFile(path.join(getConfigRootDir(), "secret-placeholder.key"), "abc123");
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// Replace-only/no-secret sessions load the key only to redact it from tool
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// output; a corrupt key must not block startup, so the existing-key probe
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// is best-effort. The obfuscate-mode loader still rejects an invalid key.
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await expect(getExistingSecretPlaceholderKey()).resolves.toBeUndefined();
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await expect(getSecretPlaceholderKey()).rejects.toThrow("secret placeholder key");
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});
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});
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});
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describe("SecretObfuscator friendlyName placeholders", () => {
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it("prefixes plain secret placeholders with sanitized friendly names", () => {
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const secret = "github_pat_abc123";
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const obfuscator = new SecretObfuscator([{ type: "plain", content: secret, friendlyName: "GitHub Token!" }]);
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const input = `use ${secret} now`;
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const obfuscated = obfuscator.obfuscate(input);
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expect(obfuscated).toMatch(/#GITHUBTOKEN_[A-Z0-9]+:L#/);
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expect(obfuscated).not.toContain(secret);
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expect(obfuscator.deobfuscate(obfuscated)).toBe(input);
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});
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it("uses regex entry friendly names for discovered matches", () => {
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const secret = "tok_abc123";
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const obfuscator = new SecretObfuscator([{ type: "regex", content: "tok_[a-z0-9]+", friendlyName: "API Key" }]);
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const input = `use ${secret} please`;
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const obfuscated = obfuscator.obfuscate(input);
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expect(obfuscated).toMatch(/#APIKEY_[A-Z0-9]+:L#/);
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expect(obfuscated).not.toContain(secret);
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expect(obfuscator.deobfuscate(obfuscated)).toBe(input);
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});
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it("does not replace plain secrets inside generated friendly placeholders", () => {
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const longSecret = "long-secret-token";
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const prefixSecret = "TOKENABC";
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const obfuscator = new SecretObfuscator([
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{ type: "plain", content: longSecret, friendlyName: "token" },
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{ type: "plain", content: prefixSecret },
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]);
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const input = `${longSecret} ${prefixSecret}`;
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const obfuscated = obfuscator.obfuscate(input);
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expect(obfuscated).toMatch(/^#TOKEN_[A-Z0-9]+:L# #[A-Z0-9]+:U#$/);
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expect(obfuscated).not.toContain(longSecret);
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expect(obfuscator.deobfuscate(obfuscated)).toBe(input);
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});
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it("redacts configured secrets that already look like placeholders", () => {
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const secret = "#PASSWORD123#";
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const obfuscator = new SecretObfuscator([{ type: "plain", content: secret }]);
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const obfuscated = obfuscator.obfuscate(`value ${secret}`);
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expect(obfuscated).not.toContain(secret);
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expect(obfuscated).toMatch(/^value #[A-Z0-9]+:U#$/);
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expect(obfuscator.deobfuscate(obfuscated)).toBe(`value ${secret}`);
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});
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it("redacts regex matches that span known placeholders", () => {
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const obfuscator = new SecretObfuscator([
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{ type: "plain", content: "abcdefgh" },
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{ type: "regex", content: "api_key=\\S+", friendlyName: "api-key" },
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]);
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const obfuscated = obfuscator.obfuscate("api_key=abcdefghXYZ");
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expect(obfuscated).toMatch(/^#APIKEY_[A-Z0-9]+:M#$/);
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expect(obfuscated).not.toContain("abcdefgh");
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expect(obfuscator.deobfuscate(obfuscated)).toBe("api_key=abcdefghXYZ");
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});
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it("redacts bounded obfuscate regex spans around generated placeholders", () => {
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const obfuscator = new SecretObfuscator([
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{ type: "plain", content: "abcdefgh" },
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{ type: "regex", content: "api_key=[A-Za-z0-9]{11}", friendlyName: "api-key" },
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]);
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const obfuscated = obfuscator.obfuscate("api_key=abcdefghXYZ");
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expect(obfuscated).toMatch(/^#APIKEY_[A-Z0-9]+:M#$/);
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expect(obfuscated).not.toContain("abcdefgh");
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expect(obfuscator.deobfuscate(obfuscated)).toBe("api_key=abcdefghXYZ");
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});
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it("obfuscates bounded regex remainders around prior placeholders", () => {
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const obfuscator = new SecretObfuscator([
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{ type: "plain", content: "abcdefgh" },
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{ type: "regex", content: "api_key=[A-Za-z0-9]{11}", friendlyName: "api-key" },
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]);
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const token = obfuscator.obfuscate("abcdefgh");
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const obfuscated = obfuscator.obfuscate(`api_key=${token}XYZ`);
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expect(obfuscated).not.toContain("api_key=");
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expect(obfuscated).not.toContain("XYZ");
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expect(obfuscated).toContain(token);
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expect(obfuscator.deobfuscate(obfuscated)).toBe("api_key=abcdefghXYZ");
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expect(obfuscator.obfuscate(obfuscated)).toBe(obfuscated);
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});
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it("keeps regex placeholders stable when inner friendly names change", () => {
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const sharedKey = "E".repeat(43);
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const before = new SecretObfuscator(
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[
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{ type: "plain", content: "abcdefgh", friendlyName: "old" },
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{ type: "regex", content: "api_key=\\S+", friendlyName: "api-key" },
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],
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sharedKey,
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);
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const persisted = before.obfuscate("api_key=abcdefghXYZ");
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const after = new SecretObfuscator(
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[
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{ type: "plain", content: "abcdefgh", friendlyName: "new" },
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{ type: "regex", content: "api_key=\\S+", friendlyName: "api-key" },
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],
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sharedKey,
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);
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expect(after.obfuscate("api_key=abcdefghXYZ")).toBe(persisted);
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expect(after.deobfuscate(persisted)).toBe("api_key=abcdefghXYZ");
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});
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it("does not canonicalize literal placeholder aliases inside regex matches", () => {
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const sharedKey = "F".repeat(43);
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const plain = new SecretObfuscator([{ type: "plain", content: "legacy-secret" }], sharedKey);
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expect(plain.deobfuscateStored("#XRRS#")).toBe("legacy-secret");
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const obfuscator = new SecretObfuscator(
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[
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{ type: "plain", content: "legacy-secret" },
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{ type: "regex", content: "api_key=\\S+", friendlyName: "api-key" },
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],
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sharedKey,
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);
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|
|
const obfuscated = obfuscator.obfuscate("api_key=#XRRS#");
|
|
expect(obfuscated).toMatch(/^#APIKEY_[A-Z0-9]+(?::[ULCM])?#$/);
|
|
expect(obfuscator.deobfuscate(obfuscated)).toBe("api_key=#XRRS#");
|
|
});
|
|
|
|
it("redacts replace-mode regex spans around generated placeholders", () => {
|
|
const obfuscator = new SecretObfuscator(
|
|
[
|
|
{ type: "plain", content: "SECRETUV" },
|
|
{ type: "regex", mode: "replace", content: "[A-Z0-9]{8,}", replacement: "REDACTED" },
|
|
],
|
|
"A".repeat(43),
|
|
);
|
|
|
|
const obfuscated = obfuscator.obfuscate("SECRETUVX1");
|
|
|
|
expect(obfuscated).toMatch(/^#[A-Z0-9]+:U#REDACTED$/);
|
|
expect(obfuscated).not.toMatch(/X1$/);
|
|
expect(obfuscator.deobfuscate(obfuscated)).toBe("SECRETUVREDACTED");
|
|
});
|
|
|
|
it("redacts bounded replace-mode regex suffixes after generated placeholders", () => {
|
|
const obfuscator = new SecretObfuscator(
|
|
[
|
|
{ type: "plain", content: "SECRETUV" },
|
|
{ type: "regex", mode: "replace", content: "[A-Z0-9]{10}", replacement: "REDACTED" },
|
|
],
|
|
"B".repeat(43),
|
|
);
|
|
|
|
const obfuscated = obfuscator.obfuscate("SECRETUVX1");
|
|
|
|
// The 8-char SECRETUVX1 redacts to one placeholder + REDACTED; assert the `X1`
|
|
// suffix is gone via end-anchored structure, not substring absence — the
|
|
// random keyed base can itself contain the two chars "X1".
|
|
expect(obfuscated).toMatch(/^#[A-Z0-9]+:U#REDACTED$/);
|
|
expect(obfuscated).not.toMatch(/X1$/);
|
|
expect(obfuscator.deobfuscate(obfuscated)).toBe("SECRETUVREDACTED");
|
|
});
|
|
|
|
it("emits a custom replacement once around a generated placeholder", () => {
|
|
const obfuscator = new SecretObfuscator(
|
|
[
|
|
{ type: "plain", content: "abcdefgh" },
|
|
{ type: "regex", mode: "replace", content: "api_key=\\S+", replacement: "REDACTED" },
|
|
],
|
|
"C".repeat(43),
|
|
);
|
|
|
|
const obfuscated = obfuscator.obfuscate("api_key=abcdefghXYZ");
|
|
|
|
// A custom replacement is a single redaction marker for the whole match, so
|
|
// it must not be duplicated on both sides of the preserved placeholder (the
|
|
// bug produced `REDACTED#…#REDACTED`). Asserted by structure plus an
|
|
// end-anchored guard rather than a base-collidable substring count.
|
|
expect(obfuscated).toMatch(/^REDACTED#[A-Z0-9]+:L#$/);
|
|
expect(obfuscated).not.toMatch(/REDACTED$/);
|
|
expect(obfuscated).not.toContain("api_key=");
|
|
expect(obfuscator.deobfuscate(obfuscated)).toBe("REDACTEDabcdefgh");
|
|
});
|
|
|
|
it("is idempotent when re-obfuscating already-obfuscated text", () => {
|
|
// The SDK obfuscates messages in both convertToLlm and transformProviderContext,
|
|
// and prior-turn messages re-enter every turn, so obfuscate() must be a fixed
|
|
// point. Re-running it on its own output must not re-redact around an existing
|
|
// placeholder (regression: `#…#REDACTED` -> `#…#REDACTEDDACTED`).
|
|
const replace = new SecretObfuscator(
|
|
[
|
|
{ type: "plain", content: "SECRETUV" },
|
|
{ type: "regex", mode: "replace", content: "[A-Z0-9]{10}", replacement: "REDACTED" },
|
|
],
|
|
"D".repeat(43),
|
|
);
|
|
const replaceOnce = replace.obfuscate("SECRETUVX1");
|
|
expect(replaceOnce).toMatch(/^#[A-Z0-9]+:U#REDACTED$/);
|
|
expect(replace.obfuscate(replaceOnce)).toBe(replaceOnce);
|
|
expect(replace.obfuscate(replace.obfuscate(replaceOnce))).toBe(replaceOnce);
|
|
expect(replace.deobfuscate(replaceOnce)).toBe("SECRETUVREDACTED");
|
|
|
|
// Custom replacement spanning a placeholder must also stay a fixed point.
|
|
const custom = new SecretObfuscator(
|
|
[
|
|
{ type: "plain", content: "abcdefgh" },
|
|
{ type: "regex", mode: "replace", content: "api_key=\\S+", replacement: "REDACTED" },
|
|
],
|
|
"E".repeat(43),
|
|
);
|
|
const customOnce = custom.obfuscate("api_key=abcdefghXYZ");
|
|
expect(custom.obfuscate(customOnce)).toBe(customOnce);
|
|
expect(custom.deobfuscate(customOnce)).toBe("REDACTEDabcdefgh");
|
|
|
|
// Obfuscate-mode regex spanning a placeholder is a fixed point too.
|
|
const obf = new SecretObfuscator(
|
|
[
|
|
{ type: "plain", content: "abcdefgh" },
|
|
{ type: "regex", content: "api_key=[A-Za-z0-9]{11}", friendlyName: "api-key" },
|
|
],
|
|
"F".repeat(43),
|
|
);
|
|
const obfOnce = obf.obfuscate("api_key=abcdefghXYZ");
|
|
expect(obf.obfuscate(obfOnce)).toBe(obfOnce);
|
|
expect(obf.deobfuscate(obfOnce)).toBe("api_key=abcdefghXYZ");
|
|
});
|
|
|
|
it("cross-matches a fresh placeholder whose token already appears in the input", () => {
|
|
const obf = new SecretObfuscator(
|
|
[
|
|
{ type: "plain", content: "abcdefgh" },
|
|
{ type: "regex", mode: "replace", content: "api_key=\\S+", replacement: "REDACTED" },
|
|
],
|
|
"G".repeat(43),
|
|
);
|
|
const token = obf.obfuscate("abcdefgh");
|
|
expect(token).toMatch(/^#[A-Z0-9]+:L#$/);
|
|
|
|
// Input carries the prior token literally AND a fresh api_key=abcdefghXYZ (raw `abc`).
|
|
// The fresh occurrence must still be redacted (XYZ gone) while the prior token is
|
|
// preserved; range-based origin tracking distinguishes the two same-token spans,
|
|
// where a token-value guard would skip both and leak XYZ.
|
|
const out = obf.obfuscate(`${token} api_key=abcdefghXYZ`);
|
|
expect(out).toBe(`${token} REDACTED${token}`);
|
|
expect(obf.deobfuscate(out)).toBe("abcdefgh REDACTEDabcdefgh");
|
|
expect(obf.obfuscate(out)).toBe(out); // still a fixed point
|
|
});
|
|
|
|
it("redacts new surrounding bytes around a prior-call placeholder without re-redacting markers", () => {
|
|
const obf = new SecretObfuscator(
|
|
[
|
|
{ type: "plain", content: "abcdefgh" },
|
|
{ type: "regex", mode: "replace", content: "api_key=\\S+", replacement: "REDACTED" },
|
|
],
|
|
"H".repeat(43),
|
|
);
|
|
// Simulate a session where `abc` was obfuscated in an earlier turn (the token
|
|
// is a prior-call/input placeholder) and the regex now re-enters text where
|
|
// `api_key=` + raw `XYZ` still surround that token. The prior placeholder is
|
|
// preserved, but the genuinely-new surrounding bytes (`api_key=`, `XYZ`) must
|
|
// be redacted — not dropped, which would leak `XYZ` to the provider.
|
|
const token = obf.obfuscate("abcdefgh");
|
|
const out = obf.obfuscate(`api_key=${token}XYZ`);
|
|
expect(out).toBe(`REDACTED${token}`);
|
|
expect(out).not.toContain("XYZ");
|
|
expect(out).not.toContain("api_key=");
|
|
expect(obf.deobfuscate(out)).toBe("REDACTEDabcdefgh");
|
|
// Re-obfuscating the redacted output is a fixed point: the marker `REDACTED`
|
|
// does not independently satisfy `api_key=\S+`, so nothing grows.
|
|
expect(obf.obfuscate(out)).toBe(out);
|
|
});
|
|
|
|
it("redacts bounded replace regex remainders around prior placeholders", () => {
|
|
const obf = new SecretObfuscator(
|
|
[
|
|
{ type: "plain", content: "abcdefgh" },
|
|
{ type: "regex", mode: "replace", content: "api_key=[A-Za-z0-9]{11}", replacement: "REDACTED" },
|
|
],
|
|
"I".repeat(43),
|
|
);
|
|
const token = obf.obfuscate("abcdefgh");
|
|
|
|
const out = obf.obfuscate(`api_key=${token}XYZ`);
|
|
|
|
expect(out).toBe(`REDACTED${token}`);
|
|
expect(out).not.toContain("XYZ");
|
|
expect(out).not.toContain("api_key=");
|
|
expect(obf.deobfuscate(out)).toBe("REDACTEDabcdefgh");
|
|
expect(obf.obfuscate(out)).toBe(out);
|
|
});
|
|
|
|
it("redacts custom replacement prefixes that are raw regex remainders", () => {
|
|
const obf = new SecretObfuscator(
|
|
[
|
|
{ type: "plain", content: "SECRETUV" },
|
|
{ type: "regex", mode: "replace", content: "[A-Z0-9]{9}", replacement: "REDACTED" },
|
|
],
|
|
"K".repeat(43),
|
|
);
|
|
const token = obf.obfuscate("SECRETUV");
|
|
|
|
const out = obf.obfuscate(`${token}R`);
|
|
|
|
expect(out).toBe(`${token}REDACTED`);
|
|
expect(obf.deobfuscate(out)).toBe("SECRETUVREDACTED");
|
|
expect(obf.obfuscate(out)).toBe(out);
|
|
});
|
|
|
|
it("redacts trailing bytes after existing custom replacement markers", () => {
|
|
const obf = new SecretObfuscator(
|
|
[
|
|
{ type: "plain", content: "SECRETUV" },
|
|
{ type: "regex", mode: "replace", content: "[A-Z0-9]{17}", replacement: "REDACTED" },
|
|
],
|
|
"L".repeat(43),
|
|
);
|
|
const token = obf.obfuscate("SECRETUV");
|
|
|
|
const out = obf.obfuscate(`${token}REDACTEDX`);
|
|
|
|
expect(out).toBe(`${token}REDACTED`);
|
|
expect(obf.obfuscate(out)).toBe(out);
|
|
});
|
|
|
|
it("redacts default replace regex remainders around prior placeholders", () => {
|
|
const obf = new SecretObfuscator(
|
|
[
|
|
{ type: "plain", content: "abcdefgh" },
|
|
{ type: "regex", mode: "replace", content: "api_key=[A-Za-z0-9]{11}" },
|
|
],
|
|
"J".repeat(43),
|
|
);
|
|
const token = obf.obfuscate("abcdefgh");
|
|
|
|
const out = obf.obfuscate(`api_key=${token}XYZ`);
|
|
|
|
expect(out).toContain(token);
|
|
expect(out).not.toContain("XYZ");
|
|
expect(out).not.toContain("api_key=");
|
|
expect(obf.obfuscate(out)).toBe(out);
|
|
});
|
|
|
|
it("redacts default replace raw suffixes after prior placeholders", () => {
|
|
const obf = new SecretObfuscator(
|
|
[
|
|
{ type: "plain", content: "SECRETUV" },
|
|
{ type: "regex", mode: "replace", content: "[A-Z0-9]{10}" },
|
|
],
|
|
"N".repeat(43),
|
|
);
|
|
const token = obf.obfuscate("SECRETUV");
|
|
|
|
const out = obf.obfuscate(`${token}X1`);
|
|
|
|
expect(out).toContain(token);
|
|
expect(out).not.toContain("X1");
|
|
expect(obf.obfuscate(out)).toBe(out);
|
|
});
|
|
|
|
it("redacts raw default replace values that look like generated sentinels", () => {
|
|
const obf = new SecretObfuscator([{ type: "plain", content: "ZZTOPSECRET", mode: "replace" }], "Q".repeat(43));
|
|
|
|
const out = obf.obfuscate("ZZTOPSECRET");
|
|
|
|
expect(out).not.toBe("ZZTOPSECRET");
|
|
expect(out).toHaveLength("ZZTOPSECRET".length);
|
|
});
|
|
|
|
it("does not emit a plain replace secret equal to the Z/ZZ sentinel unchanged", () => {
|
|
for (const content of ["Z", "ZZ"]) {
|
|
const obf = new SecretObfuscator([{ type: "plain", content, mode: "replace" }], "Q".repeat(43));
|
|
|
|
const out = obf.obfuscate(content);
|
|
|
|
expect(out).not.toBe(content);
|
|
expect(out).toHaveLength(content.length);
|
|
// Replace mode is one-way; re-obfuscating the emitted value is a fixed point.
|
|
expect(obf.obfuscate(out)).toBe(out);
|
|
}
|
|
});
|
|
|
|
it("does not emit a default replace regex match equal to the Z/ZZ sentinel unchanged", () => {
|
|
// A literal regex whose match is exactly the sentinel: the perturbed value is
|
|
// not re-matched, so it is emitted distinct AND stays a fixed point.
|
|
for (const content of ["Z", "ZZ"]) {
|
|
const obf = new SecretObfuscator([{ type: "regex", mode: "replace", content }], "Q".repeat(43));
|
|
|
|
const out = obf.obfuscate(content);
|
|
|
|
expect(out).not.toBe(content);
|
|
expect(out).toHaveLength(content.length);
|
|
expect(obf.obfuscate(out)).toBe(out);
|
|
}
|
|
});
|
|
|
|
it("keeps a self-matching sentinel regex idempotent without oscillating", () => {
|
|
// A regex that also matches its own perturbed output cannot be both leak-free
|
|
// and a fixed point (any non-sentinel 2-char value is re-matched and collapses
|
|
// back). obfuscate() MUST stay a fixed point, so the sentinel is kept rather
|
|
// than oscillating between the raw value and a perturbed one across passes.
|
|
for (const content of ["Z+", "[A-Z]{2}"]) {
|
|
const obf = new SecretObfuscator([{ type: "regex", mode: "replace", content }], "Q".repeat(43));
|
|
|
|
const out = obf.obfuscate("ZZ");
|
|
|
|
expect(obf.obfuscate(out)).toBe(out);
|
|
expect(obf.obfuscate(obf.obfuscate(out))).toBe(out);
|
|
}
|
|
});
|
|
|
|
it("does not require a placeholder key for entries that never produce a placeholder", () => {
|
|
// Short plain obfuscate entries are toned down, so they must not force key
|
|
// creation; regex/long-plain obfuscate entries can placehold and do need it.
|
|
expect(secretEntryNeedsPlaceholderKey({ type: "plain", content: "abc" })).toBe(false);
|
|
expect(secretEntryNeedsPlaceholderKey({ type: "plain", content: "abcdefgh" })).toBe(true);
|
|
expect(secretEntryNeedsPlaceholderKey({ type: "regex", content: "[A-Z]{2}" })).toBe(true);
|
|
expect(secretEntryNeedsPlaceholderKey({ type: "plain", content: "abc", mode: "replace" })).toBe(false);
|
|
expect(secretEntryNeedsPlaceholderKey({ type: "regex", content: "x+", mode: "replace" })).toBe(false);
|
|
});
|
|
|
|
it("redacts a raw sentinel-shaped suffix bridged into a match by a prior placeholder", () => {
|
|
// A prior-call placeholder followed by RAW text that merely looks like a
|
|
// deterministic redaction sentinel (`ZZ…`). The default-replace regex matches
|
|
// only because the deobfuscated placeholder bridges the combined value. The raw
|
|
// suffix was never emitted by this obfuscator, so it must be redacted rather than
|
|
// skipped by shape — both for a fixed-width regex (where the suffix does NOT
|
|
// independently match) and a variable-width one (where it DOES). Either way,
|
|
// leaving it would leak `ZZZZ` to the provider.
|
|
for (const content of ["[A-Z0-9]{12}", "[A-Z0-9]{4,12}"]) {
|
|
const obf = new SecretObfuscator(
|
|
[
|
|
{ type: "plain", content: "SECRETUV" },
|
|
{ type: "regex", mode: "replace", content },
|
|
],
|
|
"R".repeat(43),
|
|
);
|
|
const token = obf.obfuscate("SECRETUV");
|
|
expect(token).toMatch(/^#[A-Z0-9]+:U#$/);
|
|
|
|
const out = obf.obfuscate(`${token}ZZZZ`);
|
|
|
|
expect(out).toContain(token);
|
|
expect(out).not.toContain("ZZZZ");
|
|
}
|
|
});
|
|
|
|
it("keeps default replace regex output idempotent around prior placeholders", () => {
|
|
const obf = new SecretObfuscator(
|
|
[
|
|
{ type: "plain", content: "SECRETUV" },
|
|
{ type: "regex", mode: "replace", content: "[A-Za-z0-9]{10}" },
|
|
],
|
|
"M".repeat(43),
|
|
);
|
|
|
|
const out = obf.obfuscate("SECRETUVX1");
|
|
|
|
expect(obf.obfuscate(out)).toBe(out);
|
|
});
|
|
|
|
it("keeps broad default replace regex output idempotent around prior placeholders", () => {
|
|
const obf = new SecretObfuscator(
|
|
[
|
|
{ type: "plain", content: "SECRETUV" },
|
|
{ type: "regex", mode: "replace", content: "[A-Za-z0-9]+" },
|
|
],
|
|
"O".repeat(43),
|
|
);
|
|
|
|
const out = obf.obfuscate("SECRETUVX1");
|
|
|
|
expect(obf.obfuscate(out)).toBe(out);
|
|
});
|
|
|
|
it("keeps default replace regex output idempotent after restart", () => {
|
|
const key = "P".repeat(43);
|
|
const first = new SecretObfuscator(
|
|
[
|
|
{ type: "plain", content: "SECRETUV" },
|
|
{ type: "regex", mode: "replace", content: "[A-Za-z0-9]+" },
|
|
],
|
|
key,
|
|
);
|
|
const persisted = first.obfuscate("SECRETUVX1");
|
|
const restarted = new SecretObfuscator(
|
|
[
|
|
{ type: "plain", content: "SECRETUV" },
|
|
{ type: "regex", mode: "replace", content: "[A-Za-z0-9]+" },
|
|
],
|
|
key,
|
|
);
|
|
|
|
expect(restarted.obfuscate(persisted)).toBe(persisted);
|
|
});
|
|
|
|
it("ignores regex matches that fall entirely inside known placeholders", () => {
|
|
const obfuscator = new SecretObfuscator([
|
|
{ type: "plain", content: "abcdefgh" },
|
|
{ type: "regex", mode: "replace", content: "P+", replacement: "REDACTED" },
|
|
]);
|
|
|
|
const obfuscated = obfuscator.obfuscate("abcdefgh");
|
|
|
|
expect(obfuscated).not.toBe("REDACTED");
|
|
expect(obfuscated).toMatch(/^#[A-Z0-9]+:L#$/);
|
|
expect(obfuscator.deobfuscate(obfuscated)).toBe("abcdefgh");
|
|
});
|
|
|
|
it("ignores obfuscate regex matches that fall entirely inside known placeholders", () => {
|
|
const obfuscator = new SecretObfuscator([
|
|
{ type: "plain", content: "abcdefgh" },
|
|
{ type: "regex", content: "P{8}", friendlyName: "inner" },
|
|
]);
|
|
|
|
const obfuscated = obfuscator.obfuscate("abcdefgh");
|
|
|
|
expect(obfuscated).toMatch(/^#[A-Z0-9]+:L#$/);
|
|
expect(obfuscated).not.toMatch(/^#INNER_/);
|
|
expect(obfuscator.deobfuscate(obfuscated)).toBe("abcdefgh");
|
|
});
|
|
|
|
it("ignores obfuscate regex matches that partially overlap known placeholders", () => {
|
|
const obfuscator = new SecretObfuscator([
|
|
{ type: "plain", content: "secretuv" },
|
|
{ type: "regex", content: "P{3}X", friendlyName: "partial" },
|
|
]);
|
|
|
|
const obfuscated = obfuscator.obfuscate("secretuvX");
|
|
|
|
expect(obfuscated).toMatch(/^#[A-Z0-9]+:L#X$/);
|
|
expect(obfuscated).not.toMatch(/^#PARTIAL_/);
|
|
expect(obfuscator.deobfuscate(obfuscated)).toBe("secretuvX");
|
|
});
|
|
|
|
it("does not recursively rewrite plain secrets that look like placeholders", () => {
|
|
const sharedKey = "D".repeat(43);
|
|
const firstOnly = new SecretObfuscator(
|
|
[{ type: "plain", content: "legacy-secret", friendlyName: "old" }],
|
|
sharedKey,
|
|
);
|
|
const firstPlaceholder = firstOnly.obfuscate("legacy-secret");
|
|
const secondOnly = new SecretObfuscator(
|
|
[{ type: "plain", content: firstPlaceholder, friendlyName: "other" }],
|
|
sharedKey,
|
|
);
|
|
const secondPlaceholder = secondOnly.obfuscate(firstPlaceholder);
|
|
const obfuscator = new SecretObfuscator(
|
|
[
|
|
{ type: "plain", content: "legacy-secret", friendlyName: "old" },
|
|
{ type: "plain", content: firstPlaceholder, friendlyName: "other" },
|
|
],
|
|
sharedKey,
|
|
);
|
|
|
|
expect(secondPlaceholder).toMatch(/^#OTHER_[A-Z0-9]+(?::[ULCM])?#$/);
|
|
expect(obfuscator.deobfuscate(secondPlaceholder)).toBe(firstPlaceholder);
|
|
});
|
|
|
|
it("keeps no-name placeholders unprefixed but content-derived", () => {
|
|
const first = new SecretObfuscator([
|
|
{ type: "plain", content: "alpha-secret" },
|
|
{ type: "plain", content: "beta-secret" },
|
|
]);
|
|
const second = new SecretObfuscator([
|
|
{ type: "plain", content: "beta-secret" },
|
|
{ type: "plain", content: "alpha-secret" },
|
|
]);
|
|
|
|
const firstToken = first.obfuscate("alpha-secret").match(/#[A-Z0-9]+:L#/)?.[0];
|
|
const secondToken = second.obfuscate("alpha-secret").match(/#[A-Z0-9]+:L#/)?.[0];
|
|
|
|
expect(firstToken).toBeDefined();
|
|
expect(firstToken).toBe(secondToken);
|
|
expect(firstToken).not.toMatch(/_[A-Z0-9]+/);
|
|
expect(first.deobfuscate(firstToken ?? "")).toBe("alpha-secret");
|
|
});
|
|
|
|
it("honors legacy index-derived aliases only on the stored-replay path", () => {
|
|
const obfuscator = new SecretObfuscator([{ type: "plain", content: "legacy-secret" }]);
|
|
|
|
// The generated token is keyed, never the legacy index token.
|
|
expect(obfuscator.obfuscate("legacy-secret")).not.toBe("#XRRS#");
|
|
|
|
// Stored session replay/display restores pre-keyed legacy placeholders so
|
|
// older persisted sessions still resume correctly.
|
|
expect(obfuscator.deobfuscateStored("#XRRS#")).toBe("legacy-secret");
|
|
|
|
// Live provider output and tool-call arguments MUST NOT honor the legacy
|
|
// alias: it is unkeyed and trivially guessable, so a prompt-injected model
|
|
// could synthesize `#XRRS#` in a bash/read argument and exfiltrate the secret.
|
|
expect(obfuscator.deobfuscate("#XRRS#")).toBe("#XRRS#");
|
|
expect(obfuscator.deobfuscateObject({ cmd: "cat #XRRS#" })).toEqual({ cmd: "cat #XRRS#" });
|
|
});
|
|
|
|
it("never restores legacy aliases on agent-feeding replay, only on display transcripts", () => {
|
|
// deobfuscateSessionContext has two kinds of consumers: agent-feeding paths
|
|
// (resume, history rewrite, branch switch) whose output is re-obfuscated and
|
|
// sent to the provider, and a display-only transcript (allowLegacyAliases).
|
|
// Legacy index-derived `#XRRS#` aliases are unkeyed and guessable, so a
|
|
// prompt-injected model can plant one in ANY record it influences — its own
|
|
// assistant output OR a tool result (bash stdout). If a feed path restored
|
|
// it, the next provider turn would re-obfuscate it into a usable keyed
|
|
// placeholder the model could weaponize in a tool argument. So feed paths
|
|
// restore keyed placeholders ONLY; legacy is restored solely for the
|
|
// never-re-sent transcript so pre-keyed sessions still render their secrets.
|
|
const obfuscator = new SecretObfuscator([{ type: "plain", content: "legacy-secret" }]);
|
|
const keyedToken = obfuscator.obfuscate("legacy-secret");
|
|
expect(keyedToken).not.toContain("#XRRS#");
|
|
|
|
const assistant: Message = {
|
|
role: "assistant",
|
|
content: [{ type: "text", text: `attacker planted #XRRS# and echoed ${keyedToken}` }],
|
|
api: "anthropic-messages",
|
|
provider: "anthropic",
|
|
model: "test-model",
|
|
usage: {
|
|
input: 1,
|
|
output: 1,
|
|
cacheRead: 0,
|
|
cacheWrite: 0,
|
|
totalTokens: 2,
|
|
cost: { input: 0, output: 0, cacheRead: 0, cacheWrite: 0, total: 0 },
|
|
},
|
|
stopReason: "stop",
|
|
timestamp: 1,
|
|
};
|
|
const toolResult: Message = {
|
|
role: "toolResult",
|
|
toolCallId: "call-1",
|
|
toolName: "bash",
|
|
content: [{ type: "text", text: "bash stdout #XRRS#" }],
|
|
isError: false,
|
|
timestamp: 2,
|
|
};
|
|
const ctx = {
|
|
messages: [assistant, toolResult],
|
|
models: {},
|
|
injectedTtsrRules: [],
|
|
selectedMCPToolNames: [],
|
|
hasPersistedMCPToolSelection: false,
|
|
mode: "none",
|
|
};
|
|
|
|
// Agent-feeding default: the keyed token resolves, but no legacy `#XRRS#` is
|
|
// restored — neither in assistant output nor in tool results — so nothing can
|
|
// be laundered into a keyed placeholder on the next turn.
|
|
const fed = deobfuscateSessionContext(ctx, obfuscator);
|
|
const fedAssistant = (fed.messages[0] as Extract<Message, { role: "assistant" }>).content[0] as { text: string };
|
|
const fedTool = (fed.messages[1] as Extract<Message, { role: "toolResult" }>).content[0] as { text: string };
|
|
expect(fedAssistant.text).toBe("attacker planted #XRRS# and echoed legacy-secret");
|
|
expect(fedTool.text).toBe("bash stdout #XRRS#");
|
|
|
|
// Display-only transcript: legacy aliases ARE restored so a genuinely
|
|
// pre-keyed session renders its secrets. This output is never re-obfuscated.
|
|
const shown = deobfuscateSessionContext(ctx, obfuscator, true);
|
|
const shownAssistant = (shown.messages[0] as Extract<Message, { role: "assistant" }>).content[0] as {
|
|
text: string;
|
|
};
|
|
const shownTool = (shown.messages[1] as Extract<Message, { role: "toolResult" }>).content[0] as { text: string };
|
|
expect(shownAssistant.text).toBe("attacker planted legacy-secret and echoed legacy-secret");
|
|
expect(shownTool.text).toBe("bash stdout #XRRS#");
|
|
});
|
|
|
|
it("deobfuscates placeholders after friendlyName changes", () => {
|
|
const renamed = new SecretObfuscator([{ type: "plain", content: "renamed-secret", friendlyName: "new name" }]);
|
|
const current = renamed.obfuscate("renamed-secret");
|
|
const oldName = current.replace("#NEWNAME_", "#OLDNAME_");
|
|
const removedName = new SecretObfuscator([{ type: "plain", content: "renamed-secret" }]);
|
|
|
|
expect(current).toMatch(/^#NEWNAME_[A-Z0-9]+:L#$/);
|
|
expect(renamed.deobfuscate(oldName)).toBe("renamed-secret");
|
|
expect(removedName.deobfuscate(oldName)).toBe("renamed-secret");
|
|
});
|
|
|
|
it("keeps friendly-name-independent aliases unique for same-base same-hint secrets", () => {
|
|
const obfuscator = new SecretObfuscator([
|
|
{ type: "plain", content: "SeCretuv", friendlyName: "alpha" },
|
|
{ type: "plain", content: "SecRetuv", friendlyName: "bravo" },
|
|
]);
|
|
const obfuscated = obfuscator.obfuscate("SeCretuv SecRetuv");
|
|
const [tokenA, tokenB] = obfuscated.split(" ");
|
|
if (!tokenA || !tokenB) throw new Error("expected two friendly placeholders");
|
|
|
|
expect(tokenA).toMatch(/^#ALPHA_[A-Z0-9]+:M#$/);
|
|
expect(tokenB).toMatch(/^#BRAVO_[A-Z0-9]+:M#$/);
|
|
expect(obfuscator.deobfuscate(obfuscated)).toBe("SeCretuv SecRetuv");
|
|
|
|
const stripPrefix = (token: string) => token.replace(/^#[A-Z0-9]+_/, "#");
|
|
const aliasA = stripPrefix(tokenA);
|
|
const aliasB = stripPrefix(tokenB);
|
|
expect(aliasA).not.toBe(aliasB);
|
|
expect(obfuscator.deobfuscate(aliasA)).toBe("SeCretuv");
|
|
expect(obfuscator.deobfuscate(aliasB)).toBe("SecRetuv");
|
|
});
|
|
|
|
it("resolves a persisted friendly placeholder to the right same-base secret after a rename", () => {
|
|
const original = new SecretObfuscator([
|
|
{ type: "plain", content: "SeCretuv", friendlyName: "alpha" },
|
|
{ type: "plain", content: "SecRetuv", friendlyName: "bravo" },
|
|
]);
|
|
const persistedBravo = original.obfuscate("SeCretuv SecRetuv").split(" ")[1];
|
|
if (!persistedBravo) throw new Error("expected a bravo placeholder");
|
|
|
|
// bravo renamed to charlie while both same-base secrets still exist.
|
|
const renamed = new SecretObfuscator([
|
|
{ type: "plain", content: "SeCretuv", friendlyName: "alpha" },
|
|
{ type: "plain", content: "SecRetuv", friendlyName: "charlie" },
|
|
]);
|
|
expect(renamed.deobfuscate(persistedBravo)).toBe("SecRetuv");
|
|
});
|
|
|
|
it("keeps a mixed-case placeholder stable when a same-normalized secret is added earlier", () => {
|
|
// Session 1: only SecRet is configured; persist its mixed-case token.
|
|
const before = new SecretObfuscator([{ type: "plain", content: "SecRetuv" }]);
|
|
const persisted = before.obfuscate("SecRetuv");
|
|
expect(persisted).toMatch(/^#[A-Z0-9]+:M#$/);
|
|
|
|
// Session 2: SeCret (same normalized value, also :M) is added EARLIER.
|
|
const after = new SecretObfuscator([
|
|
{ type: "plain", content: "SeCretuv" },
|
|
{ type: "plain", content: "SecRetuv" },
|
|
]);
|
|
|
|
// SecRet's token must be value-stable, not bumped to a fallback, so the
|
|
// persisted placeholder still round-trips to SecRet rather than SeCret.
|
|
expect(after.obfuscate("SecRetuv")).toBe(persisted);
|
|
expect(after.deobfuscate(persisted)).toBe("SecRetuv");
|
|
expect(after.obfuscate("SeCretuv")).not.toBe(persisted);
|
|
});
|
|
|
|
it("derives each placeholder purely from its own secret, independent of load order", () => {
|
|
// A secret persisted alone must keep the same token when unrelated secrets
|
|
// are later added before it, so old session text never aliases to another
|
|
// secret because of config/env ordering.
|
|
const alone = new SecretObfuscator([{ type: "plain", content: "secret397" }]);
|
|
const persisted = alone.obfuscate("secret397");
|
|
|
|
const before = new SecretObfuscator([
|
|
{ type: "plain", content: "secret658" },
|
|
{ type: "plain", content: "secret397" },
|
|
]);
|
|
const after = new SecretObfuscator([
|
|
{ type: "plain", content: "secret397" },
|
|
{ type: "plain", content: "secret658" },
|
|
]);
|
|
|
|
expect(before.obfuscate("secret397")).toBe(persisted);
|
|
expect(after.obfuscate("secret397")).toBe(persisted);
|
|
expect(before.deobfuscate(persisted)).toBe("secret397");
|
|
expect(before.obfuscate("secret658")).not.toBe(persisted);
|
|
});
|
|
|
|
it("keeps Unicode case variants on distinct bases despite a shared ASCII hint", () => {
|
|
// `Äbc` and `äbc` differ only by Unicode case; the ASCII case hint (`:L`)
|
|
// cannot reconstruct Unicode casing, so they must NOT share a base key. A
|
|
// `secret.toLowerCase()` normalization folds `Ä`→`ä` and collapses them,
|
|
// letting a persisted token alias to whichever secret loads first.
|
|
const alone = new SecretObfuscator([{ type: "plain", content: "Äbcdefgh" }]);
|
|
const persisted = alone.obfuscate("Äbcdefgh");
|
|
|
|
// A later session loads `äbc` EARLIER than `Äbc`.
|
|
const reordered = new SecretObfuscator([
|
|
{ type: "plain", content: "äbcdefgh" },
|
|
{ type: "plain", content: "Äbcdefgh" },
|
|
]);
|
|
|
|
expect(reordered.obfuscate("Äbcdefgh")).toBe(persisted);
|
|
expect(reordered.obfuscate("äbcdefgh")).not.toBe(persisted);
|
|
expect(reordered.deobfuscate(persisted)).toBe("Äbcdefgh");
|
|
expect(reordered.deobfuscate(reordered.obfuscate("äbcdefgh"))).toBe("äbcdefgh");
|
|
});
|
|
|
|
it("derives placeholders from a keyed digest, not a public content hash", () => {
|
|
// A provider that sees the placeholder and knows the algorithm must not be
|
|
// able to dictionary low-entropy secrets: the base is keyed by a private
|
|
// per-install secret, so the same secret yields different tokens per key.
|
|
const secret = "hunter2-password";
|
|
const keyA = new SecretObfuscator([{ type: "plain", content: secret }], "install-key-a");
|
|
const keyB = new SecretObfuscator([{ type: "plain", content: secret }], "install-key-b");
|
|
|
|
const tokenA = keyA.obfuscate(secret);
|
|
const tokenB = keyB.obfuscate(secret);
|
|
|
|
expect(tokenA).not.toBe(secret);
|
|
expect(tokenA).not.toBe(tokenB);
|
|
|
|
// Same key + same secret is stable across instances and round-trips.
|
|
const keyAgain = new SecretObfuscator([{ type: "plain", content: secret }], "install-key-a");
|
|
expect(keyAgain.obfuscate(secret)).toBe(tokenA);
|
|
expect(keyA.deobfuscate(tokenA)).toBe(secret);
|
|
});
|
|
|
|
it("redacts its own keyed-hash key from obfuscated output", () => {
|
|
// The key can be read from a user-readable config file by a prompt-injected
|
|
// tool; if it reached the provider verbatim, the keyed placeholder bases
|
|
// could be dictionaried, so the obfuscator must never emit its own key.
|
|
const key = "install-key-that-must-never-leak-1234567890";
|
|
const obfuscator = new SecretObfuscator([{ type: "plain", content: "real-secret" }], key);
|
|
const obfuscated = obfuscator.obfuscate(`cat secret-placeholder.key => ${key} (and real-secret)`);
|
|
|
|
expect(obfuscated).not.toContain(key);
|
|
expect(obfuscated).not.toContain("real-secret");
|
|
});
|
|
|
|
it("withholds pending placeholders while streaming provider text", () => {
|
|
expect(stripPendingSecretPlaceholderSuffix("before #")).toBe("before ");
|
|
expect(stripPendingSecretPlaceholderSuffix("before #AB12:")).toBe("before ");
|
|
expect(stripPendingSecretPlaceholderSuffix("before #TOKEN")).toBe("before ");
|
|
expect(stripPendingSecretPlaceholderSuffix("before #TOKEN_")).toBe("before ");
|
|
expect(stripPendingSecretPlaceholderSuffix("before #TOKEN_AB12:")).toBe("before ");
|
|
expect(stripPendingSecretPlaceholderSuffix("before #TOKEN_AB12:U")).toBe("before ");
|
|
// A lone trailing `#` is buffered even after an alnum/`:` because it can
|
|
// open a new placeholder; emitting it would corrupt the length-sliced draft.
|
|
expect(stripPendingSecretPlaceholderSuffix("before #TOKEN_AB12:U#")).toBe("before #TOKEN_AB12:U");
|
|
expect(stripPendingSecretPlaceholderSuffix("prefix ID#")).toBe("prefix ID");
|
|
expect(stripPendingSecretPlaceholderSuffix("count 42#")).toBe("count 42");
|
|
expect(stripPendingSecretPlaceholderSuffix("before #TOKEN ")).toBe("before #TOKEN ");
|
|
});
|
|
|
|
it("uses independent bases across casing variants with distinct hints", () => {
|
|
const obfuscator = new SecretObfuscator([
|
|
{ type: "plain", content: "secretuv", friendlyName: "token" },
|
|
{ type: "plain", content: "SECRETUV", friendlyName: "token" },
|
|
{ type: "plain", content: "Secretuv", friendlyName: "token" },
|
|
]);
|
|
const obfuscated = obfuscator.obfuscate("secretuv SECRETUV Secretuv");
|
|
const tokens = obfuscated.match(/#TOKEN_[A-Z0-9]+:[ULCM]#/g);
|
|
if (!tokens) throw new Error("Expected case-hinted placeholders");
|
|
const bases = tokens.map(token => /^#TOKEN_([A-Z0-9]+):/.exec(token)?.[1]);
|
|
|
|
expect(tokens).toHaveLength(3);
|
|
// Distinct ASCII-case variants must NOT share a base: a shared case-folded
|
|
// base would let a provider synthesize a sibling token by swapping the hint.
|
|
expect(new Set(bases).size).toBe(3);
|
|
expect(tokens[0]?.endsWith(":L#")).toBe(true);
|
|
expect(tokens[1]?.endsWith(":U#")).toBe(true);
|
|
expect(tokens[2]?.endsWith(":C#")).toBe(true);
|
|
expect(obfuscator.deobfuscate(obfuscated)).toBe("secretuv SECRETUV Secretuv");
|
|
});
|
|
|
|
it("does not restore a case-variant sibling synthesized by swapping the hint", () => {
|
|
// P1: two obfuscate-mode secrets differing only by ASCII case. Only the
|
|
// lowercase one is ever provider-visible; a prompt-injected model must not
|
|
// recover the uppercase secret (never emitted) by taking the visible
|
|
// token's base and swapping the case hint in a tool-call argument.
|
|
const key = "case-variant-install-key-0000000000000000000";
|
|
const obfuscator = new SecretObfuscator(
|
|
[
|
|
{ type: "plain", content: "abc12345" },
|
|
{ type: "plain", content: "ABC12345" },
|
|
],
|
|
key,
|
|
);
|
|
|
|
// Provider sees only the lowercase placeholder.
|
|
const visible = obfuscator.obfuscate("abc12345");
|
|
expect(visible).toMatch(/^#[A-Z0-9]+:L#$/);
|
|
const base = /^#([A-Z0-9]+):L#$/.exec(visible)?.[1];
|
|
if (!base) throw new Error("expected a lowercase placeholder base");
|
|
|
|
// The uppercase secret's real token uses an independent base.
|
|
const upperReal = obfuscator.obfuscate("ABC12345");
|
|
expect(upperReal).toMatch(/^#[A-Z0-9]+:U#$/);
|
|
expect(upperReal).not.toBe(`#${base}:U#`);
|
|
|
|
// Live deobfuscation of the synthesized sibling token leaves it literal
|
|
// instead of restoring the never-provider-visible uppercase secret.
|
|
const synthesized = `#${base}:U#`;
|
|
expect(obfuscator.deobfuscate(synthesized)).toBe(synthesized);
|
|
expect(obfuscator.deobfuscateObject({ cmd: synthesized })).toEqual({ cmd: synthesized });
|
|
// The legitimate visible token still round-trips.
|
|
expect(obfuscator.deobfuscate(visible)).toBe("abc12345");
|
|
});
|
|
|
|
it("gives duplicate mixed-case variants distinct placeholders", () => {
|
|
const obfuscator = new SecretObfuscator([
|
|
{ type: "plain", content: "SeCretuv", friendlyName: "token" },
|
|
{ type: "plain", content: "SecRetuv", friendlyName: "token" },
|
|
]);
|
|
const repeated = new SecretObfuscator([
|
|
{ type: "plain", content: "SeCretuv", friendlyName: "token" },
|
|
{ type: "plain", content: "SecRetuv", friendlyName: "token" },
|
|
]);
|
|
const input = "SeCretuv SecRetuv";
|
|
const obfuscated = obfuscator.obfuscate(input);
|
|
const tokens = obfuscated.match(/#TOKEN_[A-Z0-9]+:M#/g);
|
|
if (!tokens) throw new Error("Expected mixed-case placeholders");
|
|
|
|
expect(tokens).toHaveLength(2);
|
|
expect(new Set(tokens).size).toBe(2);
|
|
expect(repeated.obfuscate(input)).toBe(obfuscated);
|
|
expect(obfuscator.deobfuscate(obfuscated)).toBe(input);
|
|
});
|
|
|
|
it("allows duplicate friendly names because hash suffixes disambiguate them", () => {
|
|
const obfuscator = new SecretObfuscator([
|
|
{ type: "plain", content: "first-token", friendlyName: "api" },
|
|
{ type: "plain", content: "second-token", friendlyName: "api" },
|
|
]);
|
|
const obfuscated = obfuscator.obfuscate("first-token second-token");
|
|
const tokens = obfuscated.match(/#API_[A-Z0-9]+:L#/g);
|
|
if (!tokens) throw new Error("Expected friendly-name placeholders");
|
|
|
|
expect(tokens).toHaveLength(2);
|
|
expect(new Set(tokens).size).toBe(2);
|
|
expect(obfuscator.deobfuscate(obfuscated)).toBe("first-token second-token");
|
|
});
|
|
|
|
it("sanitizes and caps friendly names", () => {
|
|
expect(sanitizeSecretFriendlyName("git hub-token!!!")).toBe("GITHUBTOKEN");
|
|
expect(sanitizeSecretFriendlyName("0123456789abcdefghijklmnopqrstuvwxyz")).toBe(
|
|
"0123456789ABCDEFGHIJKLMNOPQRSTUV",
|
|
);
|
|
expect(sanitizeSecretFriendlyName("***")).toBeUndefined();
|
|
});
|
|
|
|
it("omits invalid friendlyName metadata without dropping the secret", async () => {
|
|
const root = await fs.mkdtemp(path.join(os.tmpdir(), "omp-secret-friendly-"));
|
|
try {
|
|
const project = path.join(root, "project");
|
|
const agentDir = path.join(root, "agent");
|
|
await fs.mkdir(path.join(project, ".omp"), { recursive: true });
|
|
await fs.mkdir(agentDir, { recursive: true });
|
|
await fs.writeFile(
|
|
path.join(project, ".omp", "secrets.yml"),
|
|
"- type: plain\n content: invalid-friendly-secret\n friendlyName: '***'\n",
|
|
);
|
|
|
|
const entries = await loadSecrets(project, agentDir);
|
|
const obfuscator = new SecretObfuscator(entries);
|
|
const obfuscated = obfuscator.obfuscate("invalid-friendly-secret");
|
|
|
|
expect(entries).toHaveLength(1);
|
|
expect(entries[0]?.friendlyName).toBeUndefined();
|
|
expect(obfuscated).toMatch(/#[A-Z0-9]+:L#/);
|
|
expect(obfuscated).not.toMatch(/_[A-Z0-9]+/);
|
|
expect(obfuscator.deobfuscate(obfuscated)).toBe("invalid-friendly-secret");
|
|
} finally {
|
|
await fs.rm(root, { recursive: true, force: true });
|
|
}
|
|
});
|
|
|
|
it("omits non-string friendlyName metadata without dropping the secret", async () => {
|
|
const root = await fs.mkdtemp(path.join(os.tmpdir(), "omp-secret-friendly-"));
|
|
try {
|
|
const project = path.join(root, "project");
|
|
const agentDir = path.join(root, "agent");
|
|
await fs.mkdir(path.join(project, ".omp"), { recursive: true });
|
|
await fs.mkdir(agentDir, { recursive: true });
|
|
await fs.writeFile(
|
|
path.join(project, ".omp", "secrets.yml"),
|
|
"- type: plain\n content: non-string-friendly-secret\n friendlyName: 123\n",
|
|
);
|
|
|
|
const entries = await loadSecrets(project, agentDir);
|
|
const obfuscator = new SecretObfuscator(entries);
|
|
const obfuscated = obfuscator.obfuscate("non-string-friendly-secret");
|
|
|
|
expect(entries).toHaveLength(1);
|
|
expect(entries[0]?.friendlyName).toBeUndefined();
|
|
expect(obfuscated).toMatch(/#[A-Z0-9]+:L#/);
|
|
expect(obfuscated).not.toMatch(/_[A-Z0-9]+/);
|
|
expect(obfuscator.deobfuscate(obfuscated)).toBe("non-string-friendly-secret");
|
|
} finally {
|
|
await fs.rm(root, { recursive: true, force: true });
|
|
}
|
|
});
|
|
});
|
|
|
|
describe("SecretObfuscator cross-turn cache stability", () => {
|
|
// The provider prompt cache is content-addressed: convertToLlm / transformProviderContext
|
|
// re-run obfuscation over the WHOLE message array every turn, so a non-deterministic
|
|
// placeholder for the same secret would rewrite already-sent prefix bytes and bust the
|
|
// cache (cacheWrite @ $6.25/M vs cacheRead @ $0.50/M on opus). These tests pin the
|
|
// determinism that makes obfuscation cache-safe so a future change cannot silently
|
|
// reintroduce per-turn cache invalidation.
|
|
it("produces byte-identical output when re-obfuscating the same content across turns", () => {
|
|
const secret = "SUPER_SECRET_TOKEN_12345";
|
|
const obfuscator = new SecretObfuscator([
|
|
{ type: "plain", content: secret },
|
|
{ type: "regex", content: "tok_[a-z0-9]+" },
|
|
]);
|
|
const messages: Message[] = [{ role: "user", content: `use ${secret} and tok_abc123`, timestamp: 1 }];
|
|
|
|
const turn1 = JSON.stringify(obfuscateMessages(obfuscator, messages));
|
|
const turn2 = JSON.stringify(obfuscateMessages(obfuscator, messages));
|
|
|
|
expect(turn1).not.toContain(secret);
|
|
expect(turn1).not.toContain("tok_abc123");
|
|
// Identical bytes on the second pass → the cached prefix stays valid.
|
|
expect(turn2).toEqual(turn1);
|
|
});
|
|
|
|
it("keeps earlier message placeholders stable when a later message reveals a new regex secret", () => {
|
|
const obfuscator = new SecretObfuscator([{ type: "regex", content: "tok_[a-z0-9]+" }]);
|
|
const early: Message[] = [{ role: "user", content: "first uses tok_aaaa", timestamp: 1 }];
|
|
|
|
// Turn N: only the early message exists; tok_aaa mints a fresh placeholder.
|
|
const earlyTurnN = JSON.stringify(obfuscateMessages(obfuscator, early));
|
|
expect(earlyTurnN).not.toContain("tok_aaaa");
|
|
|
|
// A later turn reveals a brand-new secret. Lazy regex discovery assigns it a fresh
|
|
// index — this MUST NOT shift the placeholder already minted for tok_aaa.
|
|
const later: Message[] = [{ role: "user", content: "later uses tok_bbbb", timestamp: 2 }];
|
|
const laterOut = JSON.stringify(obfuscateMessages(obfuscator, later));
|
|
expect(laterOut).not.toContain("tok_bbbb");
|
|
|
|
// Re-obfuscate the early message after the new discovery: identical bytes → the
|
|
// already-cached prefix for the early message stays valid.
|
|
const earlyTurnNPlus1 = JSON.stringify(obfuscateMessages(obfuscator, early));
|
|
expect(earlyTurnNPlus1).toEqual(earlyTurnN);
|
|
});
|
|
});
|
|
|
|
describe("deobfuscateAgentMessages (display restore)", () => {
|
|
it("restores assistant text and tool calls while leaving raw user text and thinking untouched", () => {
|
|
const secret = "DISPLAY_SECRET_TOKEN_123";
|
|
const obfuscator = new SecretObfuscator([{ type: "plain", content: secret }]);
|
|
const placeholder = obfuscator.obfuscate(secret);
|
|
expect(placeholder).not.toBe(secret);
|
|
|
|
const userMsg: AgentMessage = { role: "user", content: `literal ${placeholder} token`, timestamp: 1 };
|
|
const assistantMsg: AgentMessage = {
|
|
role: "assistant",
|
|
content: [
|
|
{ type: "text", text: `answer ${placeholder}` },
|
|
{ type: "thinking", thinking: `reason ${placeholder}` },
|
|
{
|
|
type: "toolCall",
|
|
id: "call_1",
|
|
name: "read",
|
|
arguments: { path: `path ${placeholder}` },
|
|
intent: `intent ${placeholder}`,
|
|
},
|
|
],
|
|
api: "test",
|
|
provider: "test",
|
|
model: "test",
|
|
usage: {
|
|
input: 0,
|
|
output: 0,
|
|
cacheRead: 0,
|
|
cacheWrite: 0,
|
|
totalTokens: 0,
|
|
cost: { input: 0, output: 0, cacheRead: 0, cacheWrite: 0, total: 0 },
|
|
},
|
|
stopReason: "toolUse",
|
|
timestamp: 2,
|
|
};
|
|
const branchSummary: AgentMessage = {
|
|
role: "branchSummary",
|
|
summary: `branch ${placeholder}`,
|
|
fromId: "x",
|
|
timestamp: 3,
|
|
};
|
|
const compactionSummary: AgentMessage = {
|
|
role: "compactionSummary",
|
|
summary: `compact ${placeholder}`,
|
|
shortSummary: `short ${placeholder}`,
|
|
tokensBefore: 0,
|
|
timestamp: 4,
|
|
};
|
|
|
|
const restored = deobfuscateAgentMessages(obfuscator, [userMsg, assistantMsg, branchSummary, compactionSummary]);
|
|
|
|
// Assistant text and tool-call args/intent are restored to the real secret.
|
|
const restoredAssistant = restored[1] as AssistantMessage;
|
|
const assistantJson = JSON.stringify(restoredAssistant.content);
|
|
expect(assistantJson).toContain(secret);
|
|
expect(assistantJson).not.toContain(`answer ${placeholder}`);
|
|
expect(assistantJson).not.toContain(`path ${placeholder}`);
|
|
expect(assistantJson).not.toContain(`intent ${placeholder}`);
|
|
// Opaque thinking is never walked: placeholder-shaped bytes survive unchanged.
|
|
expect(assistantJson).toContain(`reason ${placeholder}`);
|
|
expect(assistantJson).not.toContain(`reason ${secret}`);
|
|
// Model-generated summaries are restored.
|
|
expect((restored[2] as { summary: string }).summary).toBe(`branch ${secret}`);
|
|
expect((restored[3] as { summary: string; shortSummary?: string }).summary).toBe(`compact ${secret}`);
|
|
expect((restored[3] as { summary: string; shortSummary?: string }).shortSummary).toBe(`short ${secret}`);
|
|
// The user message is persisted raw and never walked: a literal placeholder-shaped token
|
|
// survives byte-identical (same reference) rather than being turned into the secret.
|
|
expect(restored[0]).toBe(userMsg);
|
|
});
|
|
|
|
it("restores compactionSummary block text while leaving snapcompact image bytes intact", () => {
|
|
const secret = "BLOCKS_SECRET_TOKEN_456";
|
|
const obfuscator = new SecretObfuscator([{ type: "plain", content: secret }]);
|
|
const placeholder = obfuscator.obfuscate(secret);
|
|
const imageData = `frame${secret}bytes==`;
|
|
const message: AgentMessage = {
|
|
role: "compactionSummary",
|
|
summary: `summary ${placeholder}`,
|
|
tokensBefore: 0,
|
|
blocks: [
|
|
{ type: "text", text: `archived ${placeholder}` },
|
|
{ type: "image", data: imageData, mimeType: "image/png" },
|
|
],
|
|
timestamp: 1,
|
|
};
|
|
|
|
const [restored] = deobfuscateAgentMessages(obfuscator, [message]) as [typeof message];
|
|
const blocks = restored.blocks ?? [];
|
|
const text = blocks[0];
|
|
const image = blocks[1];
|
|
// Archived text is restored to the real secret...
|
|
expect(text.type === "text" && text.text).toBe(`archived ${secret}`);
|
|
// ...while the snapcompact image bytes pass through untouched.
|
|
expect(image.type === "image" && image.data).toBe(imageData);
|
|
});
|
|
});
|