mirror of
https://github.com/PR0M3TH3AN/bitvid.git
synced 2026-10-27 07:52:24 +00:00
feat(fuzz): add fuzzing suite for schemas, dms, and magnets
- Add `scripts/agent/fuzz-nostr-schemas.mjs` to fuzz event builders and validation - Add `scripts/agent/fuzz-dm-decryptor.mjs` to fuzz DM unwrapping - Add `scripts/agent/fuzz-magnet-utils.mjs` to fuzz magnet normalization - Utilize `scripts/agent/fuzz-lib.mjs` for randomization and reporting - Verify that `scripts/agent/setup-test-env.js` is imported to polyfill globals - Output reports to `artifacts/` No crashes were found during the initial fuzzing run (5000 iterations per target).
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@@ -1,72 +1,84 @@
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import "./setup-test-env.js";
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import { Fuzzer } from "./fuzz-lib.mjs";
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import { decryptDM } from "../../js/dmDecryptor.js";
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// Mock global dependencies
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if (typeof global.window === "undefined") {
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global.window = {
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location: { protocol: "https:" },
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crypto: {
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getRandomValues: (arr) => crypto.randomFillSync(arr),
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subtle: {
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digest: async (algo, data) => {
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const hash = crypto.createHash("sha256").update(data).digest();
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return hash.buffer;
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}
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}
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}
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};
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}
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if (typeof global.localStorage === "undefined") {
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global.localStorage = {
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getItem: () => null,
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setItem: () => {},
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removeItem: () => {}
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};
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}
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const fuzzer = new Fuzzer("dm-decryptor");
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async function test(fuzzer, state) {
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// Generate random event
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const event = {
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kind: fuzzer.randBool() ? fuzzer.pick([4, 1059]) : fuzzer.randInt(0, 20000), // 4=DM, 1059=GiftWrap
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created_at: Math.floor(Date.now() / 1000),
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tags: fuzzer.randArray(() => {
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const tagType = fuzzer.pick(["p", "e", "encrypted"]);
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if (tagType === "p") return ["p", fuzzer.randString(64, "0123456789abcdef")];
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if (tagType === "encrypted") return ["encrypted", fuzzer.pick(["nip04", "nip44", "nip44_v2"])];
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return [fuzzer.randString(5), fuzzer.randString(10)];
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}, 0, 5),
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content: fuzzer.randUnicodeString(fuzzer.randInt(0, 200)),
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pubkey: fuzzer.randString(64, "0123456789abcdef"),
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id: fuzzer.randString(64, "0123456789abcdef")
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};
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class MockDecryptor {
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constructor(scheme, shouldFail = false) {
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this.scheme = scheme;
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this.shouldFail = shouldFail;
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this.supportsGiftWrap = scheme === "nip44" || scheme === "nip44_v2";
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}
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if (fuzzer.randBool()) event.content = fuzzer.randJSON(); // Garbage content
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// Mock decryptors
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const decryptors = fuzzer.randArray(() => {
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return {
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decrypt: async (pubkey, ciphertext) => {
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if (fuzzer.randBool()) throw new Error("Decrypt failed");
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// Return random valid JSON or garbage
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if (fuzzer.randBool()) return JSON.stringify(fuzzer.randJSON());
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return fuzzer.randUnicodeString(50);
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},
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scheme: fuzzer.pick(["nip04", "nip44", "nip44_v2", "unknown"]),
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priority: fuzzer.randInt(0, 10),
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supportsGiftWrap: fuzzer.randBool()
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};
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}, 0, 3);
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const context = {
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actorPubkey: fuzzer.randString(64, "0123456789abcdef"),
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decryptors: decryptors
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};
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state.input = { event, context };
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await decryptDM(event, context);
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async decrypt(pubkey, ciphertext) {
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if (this.shouldFail) {
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throw new Error("Decryption failed (mock)");
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}
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// Return something that might be JSON or might be garbage
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if (fuzzer.randBool()) {
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// Return valid JSON event string (inner rumor)
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return JSON.stringify({
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kind: 1,
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content: "Hello world " + fuzzer.randString(10),
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pubkey: fuzzer.randString(64, "0123456789abcdef"),
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created_at: Math.floor(Date.now() / 1000),
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tags: []
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});
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} else {
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// Return garbage string
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return fuzzer.randString(50);
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}
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}
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}
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fuzzer.runFuzzLoop(2000, test);
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async function fuzzTest(fuzzer, state) {
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const schemes = ["nip04", "nip44", "nip44_v2", "unknown"];
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// Create decryptors
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const decryptors = [];
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const numDecryptors = fuzzer.randInt(0, 3);
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for(let i=0; i<numDecryptors; i++) {
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decryptors.push(new MockDecryptor(fuzzer.pick(schemes), fuzzer.randBool()));
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}
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// Create event
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// kinds: 4 (legacy), 1059 (gift wrap), random
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const kinds = [4, 1059, fuzzer.randInt(0, 20000)];
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const kind = fuzzer.pick(kinds);
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const event = {
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kind: kind,
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pubkey: fuzzer.randString(64, "0123456789abcdef"),
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content: fuzzer.randString(100), // ciphertext
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created_at: Math.floor(Date.now() / 1000),
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tags: []
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};
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// Add random tags
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const numTags = fuzzer.randInt(0, 5);
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for(let i=0; i<numTags; i++) {
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event.tags.push(fuzzer.randArray(() => fuzzer.randString(10), 1, 4));
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}
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// Context
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const context = {
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actorPubkey: fuzzer.randString(64, "0123456789abcdef"),
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decryptors: decryptors
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};
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state.input = {
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event,
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context
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};
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try {
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await decryptDM(event, context);
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} catch (err) {
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// We expect decryptDM to handle errors gracefully and return { ok: false, errors: ... }
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// If it throws, it's a bug (except maybe argument validation if we pass null event)
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throw err;
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}
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}
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fuzzer.runFuzzLoop(5000, fuzzTest).catch(console.error);
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@@ -1,36 +1,38 @@
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import "./setup-test-env.js";
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import { Fuzzer } from "./fuzz-lib.mjs";
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import { normalizeAndAugmentMagnet } from "../../js/magnetUtils.js";
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// Mock global dependencies if needed
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if (typeof global.window === "undefined") {
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global.window = {
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location: { protocol: "https:" }
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};
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}
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const fuzzer = new Fuzzer("magnet-utils");
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async function test(fuzzer, state) {
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const rawValue = fuzzer.randBool() ?
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`magnet:?xt=urn:btih:${fuzzer.randString(40, "0123456789abcdef")}&dn=${fuzzer.randString(10)}` :
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fuzzer.randUnicodeString(100);
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async function fuzzTest(fuzzer, state) {
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// Generate inputs
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const rawValue = fuzzer.randBool() ? fuzzer.randString(100) : "magnet:?xt=urn:btih:" + fuzzer.randString(40, "0123456789abcdef");
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const options = {
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webSeed: fuzzer.randBool() ? fuzzer.randString(50) : fuzzer.randArray(() => fuzzer.randString(50), 0, 3),
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torrentUrl: fuzzer.randBool() ? fuzzer.randString(50) : undefined,
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xs: fuzzer.randBool() ? fuzzer.randString(50) : undefined,
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extraTrackers: fuzzer.randArray(() => fuzzer.randString(30), 0, 5),
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appProtocol: fuzzer.pick(["http:", "https:", "magnet:", "unknown:"]),
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logger: () => {} // No-op logger
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};
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// Inject garbage into magnet link
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let malformedValue = rawValue;
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if (fuzzer.randBool()) {
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// url encode some chars
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malformedValue = encodeURIComponent(rawValue);
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}
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// Sometimes pass garbage options
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if (fuzzer.randBool()) {
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options.webSeed = fuzzer.randJSON();
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}
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const options = {
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webSeed: fuzzer.randBool() ? fuzzer.randString(50) : [fuzzer.randString(50)],
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torrentUrl: fuzzer.randString(50),
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xs: fuzzer.randString(50),
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extraTrackers: fuzzer.randArray(() => fuzzer.randString(30), 0, 3),
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appProtocol: fuzzer.randBool() ? "http:" : "https:"
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};
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state.input = { rawValue, options };
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normalizeAndAugmentMagnet(rawValue, options);
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state.input = {
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rawValue: malformedValue,
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options
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};
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try {
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normalizeAndAugmentMagnet(malformedValue, options);
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} catch (err) {
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throw err;
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}
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}
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fuzzer.runFuzzLoop(5000, test);
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fuzzer.runFuzzLoop(5000, fuzzTest).catch(console.error);
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@@ -1,106 +1,84 @@
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import "./setup-test-env.js";
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import { Fuzzer } from "./fuzz-lib.mjs";
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import * as schemas from "../../js/nostrEventSchemas.js";
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// Mock global dependencies if needed
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if (typeof global.window === "undefined") {
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global.window = {};
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}
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const fuzzer = new Fuzzer("nostr-schemas");
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// Builders take a params object.
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const builders = [
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"buildVideoPostEvent",
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"buildVideoMirrorEvent",
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"buildRepostEvent",
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"buildRelayListEvent",
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"buildDmRelayListEvent",
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"buildProfileMetadataEvent",
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"buildMuteListEvent",
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"buildDmAttachmentEvent",
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"buildDmReadReceiptEvent",
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"buildDmTypingIndicatorEvent",
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"buildViewEvent",
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"buildZapRequestEvent",
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"buildReactionEvent",
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"buildCommentEvent",
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"buildWatchHistoryEvent",
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"buildSubscriptionListEvent",
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"buildBlockListEvent",
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"buildHashtagPreferenceEvent",
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// Mappers for build functions
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const BUILDERS = [
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{ name: "buildVideoPostEvent", fn: schemas.buildVideoPostEvent },
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{ name: "buildVideoMirrorEvent", fn: schemas.buildVideoMirrorEvent },
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{ name: "buildRepostEvent", fn: schemas.buildRepostEvent },
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{ name: "buildRelayListEvent", fn: schemas.buildRelayListEvent },
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{ name: "buildDmRelayListEvent", fn: schemas.buildDmRelayListEvent },
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{ name: "buildProfileMetadataEvent", fn: schemas.buildProfileMetadataEvent },
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{ name: "buildMuteListEvent", fn: schemas.buildMuteListEvent },
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{ name: "buildDmAttachmentEvent", fn: schemas.buildDmAttachmentEvent },
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{ name: "buildDmReadReceiptEvent", fn: schemas.buildDmReadReceiptEvent },
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{ name: "buildDmTypingIndicatorEvent", fn: schemas.buildDmTypingIndicatorEvent },
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{ name: "buildViewEvent", fn: schemas.buildViewEvent },
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{ name: "buildZapRequestEvent", fn: schemas.buildZapRequestEvent },
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{ name: "buildReactionEvent", fn: schemas.buildReactionEvent },
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{ name: "buildCommentEvent", fn: schemas.buildCommentEvent },
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{ name: "buildWatchHistoryEvent", fn: schemas.buildWatchHistoryEvent },
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{ name: "buildSubscriptionListEvent", fn: schemas.buildSubscriptionListEvent },
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{ name: "buildBlockListEvent", fn: schemas.buildBlockListEvent },
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{ name: "buildHashtagPreferenceEvent", fn: schemas.buildHashtagPreferenceEvent },
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];
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async function test(fuzzer, state) {
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const action = fuzzer.randInt(0, 3);
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let input = {};
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async function fuzzTest(fuzzer, state) {
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// 1. Fuzz Builder Functions
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const builder = fuzzer.pick(BUILDERS);
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if (action === 0) {
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// Fuzz sanitizeAdditionalTags
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const tags = fuzzer.randArray(() => {
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if (fuzzer.randBool()) {
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return fuzzer.randArray(() => fuzzer.randString(10), 0, 5);
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} else {
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return fuzzer.randJSON(); // Garbage
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// Generate random params
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const params = fuzzer.randJSON();
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state.input = {
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target: builder.name,
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params: params
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};
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try {
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// Some builders require specific args like buildAdminListEvent(listKey, params)
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// but most take a single params object.
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// We didn't include buildAdminListEvent in the list above because it takes 2 args.
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const event = builder.fn(params);
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// 2. Validate the generated event
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if (event && event.kind) {
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// Find schema type for this kind to validate
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let type = null;
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for (const [key, val] of Object.entries(schemas.NOTE_TYPES)) {
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const schema = schemas.getNostrEventSchema(val);
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if (schema && schema.kind === event.kind) {
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type = val;
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break;
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}
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}, 0, 20);
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input = { target: "sanitizeAdditionalTags", tags };
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state.input = input;
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schemas.sanitizeAdditionalTags(tags);
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}
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} else if (action === 1) {
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// Fuzz validateEventAgainstSchema
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const types = Object.keys(schemas.NOTE_TYPES);
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if (type) {
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schemas.validateEventAgainstSchema(type, event);
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}
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}
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} catch (err) {
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throw err;
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}
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// 3. Fuzz Validation directly with random events
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if (fuzzer.randBool()) {
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const types = Object.values(schemas.NOTE_TYPES);
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const type = fuzzer.pick(types);
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const event = {
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kind: fuzzer.randInt(0, 40000),
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content: fuzzer.randUnicodeString(100),
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tags: fuzzer.randArray(() => fuzzer.randArray(() => fuzzer.randString(10), 0, 5), 0, 10),
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pubkey: fuzzer.randString(64, "0123456789abcdef"),
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created_at: Math.floor(Date.now() / 1000)
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const randomEvent = fuzzer.randJSON();
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state.input = {
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target: "validateEventAgainstSchema",
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type: type,
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event: randomEvent
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};
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// Mutate event
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if (fuzzer.randBool()) event.content = fuzzer.randJSON();
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if (fuzzer.randBool()) event.tags = "not an array";
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input = { target: "validateEventAgainstSchema", type, event };
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state.input = input;
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schemas.validateEventAgainstSchema(type, event);
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} else if (action === 2) {
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// Fuzz Builders
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const builderName = fuzzer.pick(builders);
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const builderFn = schemas[builderName];
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// Generate random params
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const params = fuzzer.randObject({
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pubkey: () => fuzzer.randString(64, "0123456789abcdef"),
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created_at: () => Math.floor(Date.now() / 1000),
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content: () => fuzzer.randUnicodeString(50),
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additionalTags: () => fuzzer.randArray(() => [fuzzer.randString(5), fuzzer.randString(10)], 0, 5),
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dTagValue: () => fuzzer.randString(10),
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eventId: () => fuzzer.randString(64, "0123456789abcdef"),
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// Add more random keys that might be expected or unexpected
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[fuzzer.randString(5)]: () => fuzzer.randJSON()
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});
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input = { target: builderName, params };
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state.input = input;
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if (typeof builderFn === "function") {
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builderFn(params);
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}
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} else if (action === 3) {
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// buildAdminListEvent special case
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const listKey = fuzzer.pick(["moderation", "editors", "whitelist", "blacklist", fuzzer.randString(5)]);
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const params = {
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pubkey: fuzzer.randString(64, "0123456789abcdef"),
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hexPubkeys: fuzzer.randArray(() => fuzzer.randString(64, "0123456789abcdef"), 0, 5)
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};
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input = { target: "buildAdminListEvent", listKey, params };
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state.input = input;
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schemas.buildAdminListEvent(listKey, params);
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schemas.validateEventAgainstSchema(type, randomEvent);
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}
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}
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fuzzer.runFuzzLoop(2000, test);
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// Run for 5000 iterations
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fuzzer.runFuzzLoop(5000, fuzzTest).catch(console.error);
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