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patchright_driver_patch.js
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import { Project, SyntaxKind, IndentationText } from "ts-morph";
const project = new Project({
manipulationSettings: {
indentationText: IndentationText.TwoSpaces,
},
});
// ----------------------------
// server/browserContext.ts
// ----------------------------
const browserContextSourceFile = project.addSourceFileAtPath(
"packages/playwright-core/src/server/browserContext.ts",
);
// ------- BrowserContext Class -------
const browserContextClass = browserContextSourceFile.getClass("BrowserContext");
// -- _initialize Method --
const initializeMethod = browserContextClass.getMethod("_initialize");
// Getting the service worker registration call
const initializeMethodCall = initializeMethod
.getDescendantsOfKind(SyntaxKind.CallExpression)
.find((call) => {
return (
call.getExpression().getText().includes("addInitScript") &&
call
.getArguments()
.some((arg) =>
arg.getText().includes("navigator.serviceWorker.register"),
)
);
});
// Replace the service worker registration call with a custom one, which is less obvious
initializeMethodCall
.getArguments()[0]
.replaceWithText("`navigator.serviceWorker.register = async () => { };`");
// -- exposeBinding Method --
const exposeBindingMethod = browserContextClass.getMethod("exposeBinding");
// Remove old loop and logic for localFrames and isolated world creation
exposeBindingMethod.getStatements().forEach((statement) => {
const text = statement.getText();
// Check if the statement matches the patterns
if (text.includes("this.doAddInitScript(binding.initScript)"))
statement.replaceWithText("await this.doExposeBinding(binding);");
else if (
text.includes("this.pages().map(page => page.frames()).flat()") ||
text.includes("frame.evaluateExpression(binding.initScript.source)")
)
statement.remove();
});
// -- _removeExposedBindings Method --
const removeExposedBindingsMethod = browserContextClass.getMethod(
"_removeExposedBindings",
);
removeExposedBindingsMethod.setBodyText(`for (const key of this._pageBindings.keys()) {
if (!key.startsWith('__pw'))
this._pageBindings.delete(key);
}
await this.doRemoveExposedBindings();`);
// -- _removeInitScripts Method --
const removeInitScriptsMethod =
browserContextClass.getMethod("_removeInitScripts");
removeInitScriptsMethod.setBodyText(`this.initScripts.splice(0, this.initScripts.length);
await this.doRemoveInitScripts();`);
// ----------------------------
// server/chromium/chromium.ts
// ----------------------------
const chromiumSourceFile = project.addSourceFileAtPath(
"packages/playwright-core/src/server/chromium/chromium.ts",
);
// ------- Chromium Class -------
const chromiumClass = chromiumSourceFile.getClass("Chromium");
// -- _innerDefaultArgs Method --
const innerDefaultArgsMethod = chromiumClass.getMethod("_innerDefaultArgs");
// Get all the if statements in the method
const innerDefaultArgsMethodStatements =
innerDefaultArgsMethod.getDescendantsOfKind(SyntaxKind.IfStatement);
// Modifying the Code to always use the --headless=new flag
innerDefaultArgsMethodStatements.forEach((ifStatement) => {
const condition = ifStatement.getExpression().getText();
if (condition.includes("process.env.PLAYWRIGHT_CHROMIUM_USE_HEADLESS_NEW")) {
ifStatement.replaceWithText("chromeArguments.push('--headless=new');");
}
});
// ----------------------------
// server/chromium/chromiumSwitches.ts
// ----------------------------
const chromiumSwitchesSourceFile = project.addSourceFileAtPath(
"packages/playwright-core/src/server/chromium/chromiumSwitches.ts",
);
// -- chromiumSwitches Array Variable --
const chromiumSwitchesArray = chromiumSwitchesSourceFile
.getVariableDeclarationOrThrow("chromiumSwitches")
.getInitializerIfKindOrThrow(SyntaxKind.ArrayLiteralExpression);
const switchesToDisable = [
"'--enable-automation'",
"'--disable-popup-blocking'",
"'--disable-component-update'",
"'--disable-default-apps'",
"'--disable-extensions'",
"'--disable-client-side-phishing-detection'",
"'--disable-component-extensions-with-background-pages'",
"'--allow-pre-commit-input'",
"'--disable-ipc-flooding-protection'",
"'--metrics-recording-only'",
"'--unsafely-disable-devtools-self-xss-warnings'",
"'--disable-back-forward-cache'",
"'--disable-features=ImprovedCookieControls,LazyFrameLoading,GlobalMediaControls,DestroyProfileOnBrowserClose,MediaRouter,DialMediaRouteProvider,AcceptCHFrame,AutoExpandDetailsElement,CertificateTransparencyComponentUpdater,AvoidUnnecessaryBeforeUnloadCheckSync,Translate,HttpsUpgrades,PaintHolding,ThirdPartyStoragePartitioning,LensOverlay,PlzDedicatedWorker'"
];
chromiumSwitchesArray.getElements().forEach((element) => {
if (switchesToDisable.includes(element.getText())) {
chromiumSwitchesArray.removeElement(element);
}
});
// Add custom switches to the array
chromiumSwitchesArray.addElement(
`'--disable-blink-features=AutomationControlled'`,
);
// ----------------------------
// server/chromium/crBrowser.ts
// ----------------------------
const crBrowserSourceFile = project.addSourceFileAtPath(
"packages/playwright-core/src/server/chromium/crBrowser.ts",
);
// ------- CRDevTools Class -------
const crBrowserContextClass = crBrowserSourceFile.getClass("CRBrowserContext");
// -- doRemoveNonInternalInitScripts Method --
crBrowserContextClass.getMethod("doRemoveNonInternalInitScripts").remove();
// -- doRemoveInitScripts Method --
// crBrowserContextClass.addMethod({
// name: "doRemoveInitScripts",
// scope: "protected",
// isAbstract: true,
// returnType: "Promise<void>",
// });
// -- doExposeBinding Method --
//crBrowserContextClass.addMethod({
// name: "doExposeBinding",
// scope: "protected",
// isAbstract: true,
// parameters: [{ name: "binding", type: "PageBinding" }],
// returnType: "Promise<void>",
//});
// -- doRemoveExposedBindings Method --
//crBrowserContextClass.addMethod({
// name: "doRemoveExposedBindings",
// scope: "protected",
// isAbstract: true,
// returnType: "Promise<void>",
//});
// -- doRemoveInitScripts Method --
crBrowserContextClass.addMethod({
name: "doRemoveInitScripts",
isAsync: true,
});
const doRemoveInitScriptsMethod = crBrowserContextClass.getMethod(
"doRemoveInitScripts",
);
doRemoveInitScriptsMethod.setBodyText(
`for (const page of this.pages()) await (page._delegate as CRPage).removeInitScripts();`,
);
// ------- Class -------
const crBrowserClass = crBrowserSourceFile.getClass("CRBrowserContext");
// -- doExposeBinding Method --
crBrowserClass.addMethod({
name: "doExposeBinding",
isAsync: true,
parameters: [{ name: "binding", type: "PageBinding" }],
});
const doExposeBindingMethod = crBrowserClass.getMethod("doExposeBinding");
doExposeBindingMethod.setBodyText(
`for (const page of this.pages()) await (page._delegate as CRPage).exposeBinding(binding);`,
);
// -- doRemoveExposedBindings Method --
crBrowserClass.addMethod({
name: "doRemoveExposedBindings",
isAsync: true,
});
const doRemoveExposedBindingsMethod = crBrowserClass.getMethod(
"doRemoveExposedBindings",
);
doRemoveExposedBindingsMethod.setBodyText(
`for (const page of this.pages()) await (page._delegate as CRPage).removeExposedBindings();`,
);
// ----------------------------
// server/chromium/crDevTools.ts
// ----------------------------
const crDevToolsSourceFile = project.addSourceFileAtPath(
"packages/playwright-core/src/server/chromium/crDevTools.ts",
);
// ------- CRDevTools Class -------
const crDevToolsClass = crDevToolsSourceFile.getClass("CRDevTools");
// -- Install Method --
const installMethod = crDevToolsClass.getMethod("install");
// Find the specific `Promise.all` call
const promiseAllCalls = installMethod
.getDescendantsOfKind(SyntaxKind.CallExpression)
.filter((call) => call.getExpression().getText() === "Promise.all");
// Removing Runtime.enable from the Promise.all call
promiseAllCalls.forEach((call) => {
const arrayLiteral = call.getFirstDescendantByKind(
SyntaxKind.ArrayLiteralExpression,
);
if (arrayLiteral) {
arrayLiteral.getElements().forEach((element) => {
if (element.getText().includes("session.send('Runtime.enable'")) {
arrayLiteral.removeElement(element);
}
});
}
});
// ----------------------------
// server/chromium/crNetworkManager.ts
// ----------------------------
const crNetworkManagerSourceFile = project.addSourceFileAtPath(
"packages/playwright-core/src/server/chromium/crNetworkManager.ts",
);
// Add the custom import and comment at the start of the file
crNetworkManagerSourceFile.insertStatements(0, [
"// undetected-undetected_playwright-patch - custom imports",
"import crypto from 'crypto';",
"",
]);
// ------- CRNetworkManager Class -------
const crNetworkManagerClass =
crNetworkManagerSourceFile.getClass("CRNetworkManager");
// -- _onRequest Method --
const onRequestMethod = crNetworkManagerClass.getMethod("_onRequest");
// Find the assignment statement you want to modify
const routeAssignment = onRequestMethod
.getDescendantsOfKind(SyntaxKind.BinaryExpression)
.find((expr) =>
expr
.getText()
.includes(
"route = new RouteImpl(requestPausedSessionInfo!.session, requestPausedEvent.requestId)",
),
);
// Adding new parameter to the RouteImpl call
if (routeAssignment) {
routeAssignment
.getRight()
.replaceWithText(
"new RouteImpl(requestPausedSessionInfo!.session, requestPausedEvent.requestId, this._page)",
);
}
// -- _updateProtocolRequestInterceptionForSession Method --
const updateProtocolRequestInterceptionForSessionMethod = crNetworkManagerClass.getMethod("_updateProtocolRequestInterceptionForSession");
// Remove old loop and logic for localFrames and isolated world creation
updateProtocolRequestInterceptionForSessionMethod.getStatements().forEach((statement) => {
const text = statement.getText();
// Check if the statement matches the patterns
if (text.includes('const cachePromise = info.session.send(\'Network.setCacheDisabled\', { cacheDisabled: enabled });'))
statement.replaceWithText('const cachePromise = info.session.send(\'Network.setCacheDisabled\', { cacheDisabled: false });');
});
// ------- RouteImpl Class -------
const routeImplClass = crNetworkManagerSourceFile.getClass("RouteImpl");
// -- RouteImpl Constructor --
const constructorDeclaration = routeImplClass
.getConstructors()
.find((ctor) =>
ctor
.getText()
.includes("constructor(session: CRSession, interceptionId: string)"),
);
if (constructorDeclaration) {
// Get current parameters and add the new `page` parameter
const parameters = constructorDeclaration.getParameters();
// Adding the 'page' parameter
constructorDeclaration.insertParameter(parameters.length, {
name: "page",
type: "Page", // Replace with the actual type of 'page' if different
});
// Modify the constructor's body to include `this._page = page;`
const body = constructorDeclaration.getBody();
// Insert `this._page = void 0;`
body.insertStatements(0, "this._page = void 0;");
// Insert `this._page = page;` at the end of the constructor body
body.addStatements("this._page = page;");
// Inject HTML code
const fulfillMethod = routeImplClass.getMethodOrThrow("fulfill");
const methodBody = fulfillMethod.getBodyOrThrow();
// Insert the custom code at the beginning of the `fulfill` method
const customHTMLInjectCode = `const isTextHtml = response.headers.some(header => header.name === 'content-type' && header.value.includes('text/html'));
var allInjections = [...this._page._delegate._mainFrameSession._evaluateOnNewDocumentScripts];
for (const binding of this._page._delegate._browserContext._pageBindings.values()) {
if (!allInjections.includes(binding)) allInjections.push(binding);
}
if (isTextHtml && allInjections.length) {
// I Chatted so hard for this Code
let scriptNonce = crypto.randomBytes(22).toString('hex');
for (let i = 0; i < response.headers.length; i++) {
if (response.headers[i].name === 'content-security-policy' || response.headers[i].name === 'content-security-policy-report-only') {
// Search for an existing script-src nonce that we can hijack
let cspValue = response.headers[i].value;
const nonceRegex = /script-src[^;]*'nonce-([\\w-]+)'/;
const nonceMatch = cspValue.match(nonceRegex);
if (nonceMatch) {
scriptNonce = nonceMatch[1];
} else {
// Add the new nonce value to the script-src directive
const scriptSrcRegex = /(script-src[^;]*)(;|$)/;
const newCspValue = cspValue.replace(scriptSrcRegex, \`$1 'nonce-\${scriptNonce}'$2\`);
response.headers[i].value = newCspValue;
}
break;
}
}
let injectionHTML = "";
allInjections.forEach((script) => {
injectionHTML += \`<script class="\${this._page._delegate.initScriptTag}" nonce="\${scriptNonce}" type="text/javascript">\${script.source}</script>\`;
});
if (response.isBase64) {
response.isBase64 = false;
response.body = injectionHTML + Buffer.from(response.body, 'base64').toString('utf-8');
} else {
response.body = injectionHTML + response.body;
}
}`;
methodBody.insertStatements(0, customHTMLInjectCode);
}
// ----------------------------
// server/chromium/crServiceWorker.ts
// ----------------------------
const crServiceWorkerSourceFile = project.addSourceFileAtPath(
"packages/playwright-core/src/server/chromium/crServiceWorker.ts",
);
// ------- CRServiceWorker Class -------
const crServiceWorkerClass =
crServiceWorkerSourceFile.getClass("CRServiceWorker");
// -- CRServiceWorker Constructor --
const crServiceWorkerConstructorDeclaration = crServiceWorkerClass
.getConstructors()
.find((ctor) =>
ctor
.getText()
.includes(
"constructor(browserContext: CRBrowserContext, session: CRSession, url: string)",
),
);
const crServiceWorkerConstructorBody =
crServiceWorkerConstructorDeclaration.getBody();
// Find the Runtime.enable statement to remove
const statementToRemove = crServiceWorkerConstructorBody
.getStatements()
.find((statement) =>
statement
.getText()
.includes("session.send('Runtime.enable', {}).catch(e => { });"),
);
if (statementToRemove) statementToRemove.remove();
// ----------------------------
// server/frames.ts
// ----------------------------
const framesSourceFile = project.addSourceFileAtPath(
"packages/playwright-core/src/server/frames.ts",
);
// Add the custom import and comment at the start of the file
framesSourceFile.insertStatements(0, [
"// undetected-undetected_playwright-patch - custom imports",
"import { CRExecutionContext } from './chromium/crExecutionContext';",
"import { FrameExecutionContext } from './dom';",
"import crypto from 'crypto';",
"",
]);
// ------- Frame Class -------
const frameClass = framesSourceFile.getClass("Frame");
// Add Properties to the Frame Class
frameClass.addProperty({
name: "_isolatedWorld",
type: "dom.FrameExecutionContext",
});
frameClass.addProperty({
name: "_mainWorld",
type: "dom.FrameExecutionContext",
});
frameClass.addProperty({
name: "_iframeWorld",
type: "dom.FrameExecutionContext",
});
// -- _onClearLifecycle Method --
const onClearLifecycleMethod = frameClass.getMethod("_onClearLifecycle");
// Modify the constructor's body to include unassignments
const onClearLifecycleBody = onClearLifecycleMethod.getBody();
onClearLifecycleBody.insertStatements(0, "this._iframeWorld = undefined;");
onClearLifecycleBody.insertStatements(0, "this._mainWorld = undefined;");
onClearLifecycleBody.insertStatements(0, "this._isolatedWorld = undefined;");
// -- _getFrameMainFrameContextId Method --
// Define the getFrameMainFrameContextIdCode
/*const getFrameMainFrameContextIdCode = `var globalDocument = await client._sendMayFail('DOM.getFrameOwner', { frameId: this._id });
if (globalDocument && globalDocument.nodeId) {
for (const executionContextId of this._page._delegate._sessionForFrame(this)._parsedExecutionContextIds) {
var documentObj = await client._sendMayFail("DOM.resolveNode", { nodeId: globalDocument.nodeId });
if (documentObj) {
var globalThis = await client._sendMayFail('Runtime.evaluate', {
expression: "document",
serializationOptions: { serialization: "idOnly" },
contextId: executionContextId
});
if (globalThis) {
var globalThisObjId = globalThis["result"]['objectId'];
var requestedNode = await client.send("DOM.requestNode", { objectId: globalThisObjId });
var node = await client._sendMayFail("DOM.describeNode", { nodeId: requestedNode.nodeId, pierce: true, depth: 10 });
if (node && node.node.documentURL == this._url) {
var node0 = await client._sendMayFail("DOM.resolveNode", { nodeId: requestedNode.nodeId });
if (node0 && (node.node.nodeId - 1 == globalDocument.nodeId)) { // && (node.node.backendNodeId + 1 == globalDocument.backendNodeId)
var _executionContextId = parseInt(node0.object.objectId.split('.')[1], 10);
return _executionContextId;
}
}
}
}
}
}
return 0;`;*/
const getFrameMainFrameContextIdCode = `try {
var globalDocument = await client._sendMayFail("DOM.getFrameOwner", {frameId: this._id,});
if (globalDocument && globalDocument.nodeId) {
var describedNode = await client._sendMayFail("DOM.describeNode", {
backendNodeId: globalDocument.backendNodeId,
});
if (describedNode) {
var resolvedNode = await client._sendMayFail("DOM.resolveNode", {
nodeId: describedNode.node.contentDocument.nodeId,
});
var _executionContextId = parseInt(resolvedNode.object.objectId.split(".")[1], 10);
return _executionContextId;
}
}
} catch (e) {}
return 0;`;
// Add the method to the class
frameClass.addMethod({
name: "_getFrameMainFrameContextId",
isAsync: true,
parameters: [
{
name: "client",
},
],
returnType: "Promise<number>",
});
const getFrameMainFrameContextIdMethod = frameClass.getMethod(
"_getFrameMainFrameContextId",
);
getFrameMainFrameContextIdMethod.setBodyText(
getFrameMainFrameContextIdCode.trim(),
);
// -- _context Method --
const contextMethodCode = `
/* await this._page._delegate._mainFrameSession._client._sendMayFail('DOM.enable');
var globalDoc = await this._page._delegate._mainFrameSession._client._sendMayFail('DOM.getFrameOwner', { frameId: this._id });
if (globalDoc) {
await this._page._delegate._mainFrameSession._client._sendMayFail("DOM.resolveNode", { nodeId: globalDoc.nodeId })
} */
// if (this.isDetached()) throw new Error('Frame was detached');
try {
var client = this._page._delegate._sessionForFrame(this)._client
} catch (e) { var client = this._page._delegate._mainFrameSession._client }
var iframeExecutionContextId = await this._getFrameMainFrameContextId(client)
if (world == "main") {
// Iframe Only
if (this != this._page.mainFrame() && iframeExecutionContextId && this._iframeWorld == undefined) {
var executionContextId = iframeExecutionContextId
var crContext = new CRExecutionContext(client, { id: executionContextId }, this._id)
this._iframeWorld = new FrameExecutionContext(crContext, this, world)
this._page._delegate._mainFrameSession._onExecutionContextCreated({
id: executionContextId, origin: world, name: world, auxData: { isDefault: this === this._page.mainFrame(), type: 'isolated', frameId: this._id }
})
} else if (this._mainWorld == undefined) {
var globalThis = await client._sendMayFail('Runtime.evaluate', {
expression: "globalThis",
serializationOptions: { serialization: "idOnly" }
});
if (!globalThis) { return }
var globalThisObjId = globalThis["result"]['objectId']
var executionContextId = parseInt(globalThisObjId.split('.')[1], 10);
var crContext = new CRExecutionContext(client, { id: executionContextId }, this._id)
this._mainWorld = new FrameExecutionContext(crContext, this, world)
this._page._delegate._mainFrameSession._onExecutionContextCreated({
id: executionContextId, origin: world, name: world, auxData: { isDefault: this === this._page.mainFrame(), type: 'isolated', frameId: this._id }
})
}
}
if (world != "main" && this._isolatedWorld == undefined) {
world = "utility"
var result = await client._sendMayFail('Page.createIsolatedWorld', {
frameId: this._id, grantUniveralAccess: true, worldName: world
});
if (!result) {
// if (this.isDetached()) throw new Error("Frame was detached");
return
}
var executionContextId = result.executionContextId
var crContext = new CRExecutionContext(client, { id: executionContextId }, this._id)
this._isolatedWorld = new FrameExecutionContext(crContext, this, world)
this._page._delegate._mainFrameSession._onExecutionContextCreated({
id: executionContextId, origin: world, name: world, auxData: { isDefault: this === this._page.mainFrame(), type: 'isolated', frameId: this._id }
})
}
if (world != "main") {
return this._isolatedWorld;
} else if (this != this._page.mainFrame() && iframeExecutionContextId) {
return this._iframeWorld;
} else {
return this._mainWorld;
}`;
const contextMethod = frameClass.getMethod("_context");
contextMethod.setIsAsync(true);
contextMethod.setBodyText(contextMethodCode.trim());
// -- _setContext Method --
const setContentMethod = frameClass.getMethod("setContent");
// Locate the existing line of code
const existingLine = setContentMethod
.getDescendantsOfKind(SyntaxKind.VariableDeclaration)
.find((variableDeclaration) =>
variableDeclaration
.getText()
.includes(
"--playwright--set--content--${this._id}--${++this._setContentCounter}--`",
),
);
// Get the position to insert the new line after
const position = existingLine.getEnd();
// Insert the new line after the existing line
setContentMethod.insertText(
position + 1,
"\n const bindingName = \"_tagDebug\" + crypto.randomBytes(20).toString('hex');",
);
// Find the evaluate call expression
const evaluateCall = setContentMethod
.getDescendantsOfKind(SyntaxKind.CallExpression)
.find(
(callExpr) => callExpr.getExpression().getText() === "context.evaluate",
);
if (evaluateCall) {
const arrowFunction = evaluateCall.getArguments()[0];
const objectArg = evaluateCall.getArguments()[1];
// Ensure the arrow function and object argument are what we expect
if (
arrowFunction?.getKind() === SyntaxKind.ArrowFunction &&
objectArg?.getKind() === SyntaxKind.ObjectLiteralExpression
) {
const arrowFunctionBody = arrowFunction.getBody();
if (arrowFunctionBody?.getKind() === SyntaxKind.Block) {
const block = arrowFunctionBody.asKind(SyntaxKind.Block);
if (block) {
// Add the new lines after document.open();
block.insertStatements(1, [
"var _tagDebug = window[bindingName].bind({});",
"delete window[bindingName]",
'_tagDebug(\'{ "name": "\' + bindingName + \'", "seq": 1, "serializedArgs": ["\' + tag + \'"] }\');',
]);
// Replace the destructured parameters in the arrow function
const paramsText = arrowFunction.getParameters()[0].getText();
const updatedParamsText = paramsText.replace(
"{ html, tag }",
"{ html, tag, bindingName }",
);
arrowFunction.getParameters()[0].replaceWithText(updatedParamsText);
// Add bindingName to the object literal passed to evaluate
objectArg.addProperty("bindingName");
}
}
}
}
const oldCode = `const lifecyclePromise = new Promise((resolve, reject) => {
this._page._frameManager._consoleMessageTags.set(tag, () => {
// Clear lifecycle right after document.open() - see 'tag' below.
this._onClearLifecycle();
this._waitForLoadState(progress, waitUntil).then(resolve).catch(reject);
});
});`.replace(/ +/g, "");
const newCode = ` await this._page._delegate._mainFrameSession._client.send('Runtime.addBinding', { name: bindingName });
const lifecyclePromise = new Promise(async (resolve, reject) => {
await this._page.exposeBinding(bindingName, false, (tag) => {
this._onClearLifecycle();
this._waitForLoadState(progress, waitUntil).then(resolve).catch(reject);
});
});`;
// Get the method's text and replace old code with new code
const methodText = setContentMethod.getText();
const unindentedMethodText = setContentMethod.getText().replace(/ +/g, "");
const updatedText = unindentedMethodText.replace(oldCode, newCode);
let newMethodText = "";
// Iterate through each line of the method's text and get the same line from the updated text
methodText.split("\n").forEach((line, index) => {
const updatedLine = updatedText.split("\n")[index];
if (line.replace(/ +/g, "") != updatedLine) {
// If the lines are different, add the updated line to the new method text
newMethodText += updatedLine + "\n";
} else {
// Otherwise, add the original line to the new method text
newMethodText += line + "\n";
}
});
// Update the method's text
setContentMethod.replaceWithText(newMethodText);
// ----------------------------
// server/chromium/crPage.ts
// ----------------------------
const crPageSourceFile = project.addSourceFileAtPath(
"packages/playwright-core/src/server/chromium/crPage.ts",
);
// Add the custom import and comment at the start of the file
crPageSourceFile.insertStatements(0, [
"// undetected-undetected_playwright-patch - custom imports",
"import crypto from 'crypto';",
"",
]);
// ------- CRPage Class -------
const crPageClass = crPageSourceFile.getClass("CRPage");
// -- CRPage Constructor --
const crPageConstructor = crPageClass
.getConstructors()
.find((ctor) =>
ctor
.getText()
.includes(
"constructor(client: CRSession, targetId: string, browserContext: CRBrowserContext, opener: CRPage | null",
),
);
const statementToReplace = crPageConstructor
.getStatements()
.find(
(statement) => statement.getText() === "this.updateRequestInterception();",
);
if (statementToReplace) {
// Replace the statement with the new code
statementToReplace.replaceWithText(`this._networkManager.setRequestInterception(true);
this.initScriptTag = "injected-playwright-init-script-" + crypto.randomBytes(20).toString('hex');`);
}
// -- exposeBinding Method --
crPageClass.addMethod({
name: "exposeBinding",
isAsync: true,
parameters: [
{
name: "binding",
},
],
});
const crExposeBindingMethod = crPageClass.getMethod("exposeBinding");
crExposeBindingMethod.setBodyText(
`await this._forAllFrameSessions(frame => frame._initBinding(binding));
await Promise.all(this._page.frames().map(frame => frame.evaluateExpression(binding.source).catch(e => {})));`,
);
// -- removeExposedBindings Method --
crPageClass.addMethod({
name: "removeExposedBindings",
isAsync: true,
});
const crRemoveExposedBindingsMethod = crPageClass.getMethod(
"removeExposedBindings",
);
crRemoveExposedBindingsMethod.setBodyText(
`await this._forAllFrameSessions(frame => frame._removeExposedBindings());`,
);
// -- removeNonInternalInitScripts Method --
crPageClass
.getMethod("removeNonInternalInitScripts")
.rename("removeInitScripts");
// -- addInitScript Method --
const addInitScriptMethod = crPageClass.getMethod("addInitScript");
const addInitScriptMethodBody = addInitScriptMethod.getBody();
// Insert a new line of code before the first statement
addInitScriptMethodBody.insertStatements(
0,
"this._page.initScripts.push(initScript);",
);
// ------- FrameSession Class -------
const frameSessionClass = crPageSourceFile.getClass("FrameSession");
// Add Properties to the Frame Class
frameSessionClass.addProperty({
name: "_exposedBindingNames",
type: "string[]",
initializer: "[]",
});
frameSessionClass.addProperty({
name: "_evaluateOnNewDocumentScripts",
type: "string[]",
initializer: "[]",
});
frameSessionClass.addProperty({
name: "_parsedExecutionContextIds",
type: "number[]",
initializer: "[]",
});
frameSessionClass.addProperty({
name: "_exposedBindingScripts",
type: "string[]",
initializer: "[]",
});
const evaluateOnNewDocumentIdentifiers = frameSessionClass.getProperty(
"_evaluateOnNewDocumentIdentifiers",
);
// if (evaluateOnNewDocumentIdentifiers) evaluateOnNewDocumentIdentifiers.remove();
// -- _addRendererListeners Method --
const addRendererListenersMethod = frameSessionClass.getMethod(
"_addRendererListeners",
);
const addRendererListenersMethodBody = addRendererListenersMethod.getBody();
// Insert a new line of code before the first statement
/*addRendererListenersMethodBody.insertStatements(
0,
`this._client._sendMayFail("Debugger.enable", {});
eventsHelper.addEventListener(this._client, 'Debugger.scriptParsed', event => {
if (!this._parsedExecutionContextIds.includes(event.executionContextId)) this._parsedExecutionContextIds.push(event.executionContextId);
})`,
);*/
// -- _initialize Method --
const initializeFrameSessionMethod = frameSessionClass.getMethod("_initialize");
const initializeFrameSessionMethodBody = initializeFrameSessionMethod.getBody();
// Find the variable declaration
const variableName = "promises"; // The name of the variable to find
const variableDeclaration =
initializeFrameSessionMethod.getVariableDeclarationOrThrow(variableName);
// Find the initializer array
const initializer = variableDeclaration.getInitializerIfKindOrThrow(
SyntaxKind.ArrayLiteralExpression,
);
// Find the relevant element inside the array that we need to update
initializer.getElements().forEach((element) => {
if (
element.getText().includes("this._client.send('Runtime.enable'") ||
element
.getText()
.includes(
"this._client.send('Runtime.addBinding', { name: PageBinding.kPlaywrightBinding })",
)
) {
initializer.removeElement(element);
}
});
// Find the relevant element inside the array that we need to update
const pageGetFrameTreeCall = initializer
.getElements()
.find((element) =>
element.getText().startsWith("this._client.send('Page.getFrameTree'"),
);
if (
pageGetFrameTreeCall &&
pageGetFrameTreeCall.isKind(SyntaxKind.CallExpression)
) {
const thenBlock = pageGetFrameTreeCall
.asKindOrThrow(SyntaxKind.CallExpression)
.getFirstDescendantByKindOrThrow(SyntaxKind.ArrowFunction)
.getBody()
.asKindOrThrow(SyntaxKind.Block);
// Remove old loop and logic for localFrames and isolated world creation
const statementsToRemove = thenBlock
.getStatements()
.filter(
(statement) =>
statement
.getText()
.includes(
"const localFrames = this._isMainFrame() ? this._page.frames()",
) ||
statement
.getText()
.includes("this._client._sendMayFail('Page.createIsolatedWorld', {"),
);
statementsToRemove.forEach((statement) => statement.remove());
// Find the IfStatement that contains the "else" block
const ifStatement = thenBlock
.getStatements()
.find(
(statement) =>
statement.isKind(SyntaxKind.IfStatement) &&
statement.getText().includes("Page.lifecycleEvent"),
);
if (ifStatement && ifStatement.isKind(SyntaxKind.IfStatement)) {
const elseStatement = ifStatement.getElseStatement();
elseStatement.insertStatements(
0,
`const localFrames = this._isMainFrame() ? this._page.frames() : [this._page._frameManager.frame(this._targetId)!];
for (const frame of localFrames) {
this._page._frameManager.frame(frame._id)._context("utility");
for (const binding of this._crPage._browserContext._pageBindings.values())
frame.evaluateExpression(binding.source).catch(e => {});
for (const source of this._crPage._browserContext.initScripts)
frame.evaluateExpression(source).catch(e => {});
}`,
);
}
}
// Find the initScript Evaluation Loop
initializeFrameSessionMethodBody
.getDescendantsOfKind(SyntaxKind.ForOfStatement)
.forEach((statement) => {
if (statement.getText().includes("this._crPage._page.allInitScripts()")) {
if (
statement
.getText()
.includes("frame.evaluateExpression(initScript.source)")
) {
statement.replaceWithText(`for (const binding of this._crPage._browserContext._pageBindings.values()) frame.evaluateExpression(binding.source).catch(e => {});
for (const initScript of this._crPage._browserContext.initScripts) frame.evaluateExpression(initScript.source).catch(e => {});`);
} else if (
statement
.getText()
.includes("this._evaluateOnNewDocument(initScript, 'main')")
) {
statement.replaceWithText(`for (const binding of this._crPage._page.allBindings()) promises.push(this._initBinding(binding));
for (const initScript of this._crPage._browserContext.initScripts) promises.push(this._evaluateOnNewDocument(initScript, 'main'));
for (const initScript of this._crPage._page.initScripts) promises.push(this._evaluateOnNewDocument(initScript, 'main'));`);
}
}
});
// Find the statement `promises.push(this._client.send('Runtime.runIfWaitingForDebugger'))`
const promisePushStatements = initializeFrameSessionMethodBody
.getStatements()
.filter((statement) =>
statement
.getText()
.includes(
"promises.push(this._client.send('Runtime.runIfWaitingForDebugger'))",
),
);
// Ensure the right statements were found
if (promisePushStatements.length === 1) {
const [firstStatement] = promisePushStatements;
// Replace the first `promises.push` statement with the new conditional code
firstStatement.replaceWithText(
`if (!(this._crPage._page._pageBindings.size || this._crPage._browserContext._pageBindings.size)) promises.push(this._client.send('Runtime.runIfWaitingForDebugger'));`,
);
initializeFrameSessionMethodBody.addStatements(
`if (this._crPage._page._pageBindings.size || this._crPage._browserContext._pageBindings.size) await this._client.send('Runtime.runIfWaitingForDebugger');`,
);
}
// -- _initBinding Method --
frameSessionClass.addMethod({
name: "_initBinding",
isAsync: true,
parameters: [
{
name: "binding",
initializer: "PageBinding",
},
],
});
const initBindingMethod = frameSessionClass.getMethod("_initBinding");
initBindingMethod.setBodyText(`var result = await this._client._sendMayFail('Page.createIsolatedWorld', {
frameId: this._targetId, grantUniveralAccess: true, worldName: "utility"
});
if (!result) return
var isolatedContextId = result.executionContextId
var globalThis = await this._client._sendMayFail('Runtime.evaluate', {
expression: "globalThis",
serializationOptions: { serialization: "idOnly" }
});
if (!globalThis) return
var globalThisObjId = globalThis["result"]['objectId']
var mainContextId = parseInt(globalThisObjId.split('.')[1], 10);
await Promise.all([
this._client._sendMayFail('Runtime.addBinding', { name: binding.name }),
this._client._sendMayFail('Runtime.addBinding', { name: binding.name, executionContextId: mainContextId }),
this._client._sendMayFail('Runtime.addBinding', { name: binding.name, executionContextId: isolatedContextId }),
// this._client._sendMayFail("Runtime.evaluate", { expression: binding.source, contextId: mainContextId, awaitPromise: true })
]);
this._exposedBindingNames.push(binding.name);
this._exposedBindingScripts.push(binding.source);
await this._crPage.addInitScript(binding.source);
//this._client._sendMayFail('Runtime.runIfWaitingForDebugger')`);
// initBindingMethod.setBodyText(`const [, response] = await Promise.all([
// this._client.send('Runtime.addBinding', { name: binding.name }),
// this._client.send('Page.addScriptToEvaluateOnNewDocument', { source: binding.source })
// ]);
// this._exposedBindingNames.push(binding.name);
// if (!binding.name.startsWith('__pw'))
// this._evaluateOnNewDocumentIdentifiers.push(response.identifier);`);
// -- _removeExposedBindings Method --
frameSessionClass.addMethod({
name: "_removeExposedBindings",
isAsync: true,
});
const fsRemoveExposedBindingsMethod = frameSessionClass.getMethod(
"_removeExposedBindings",
);
fsRemoveExposedBindingsMethod.setBodyText(`const toRetain: string[] = [];
const toRemove: string[] = [];
for (const name of this._exposedBindingNames)
(name.startsWith('__pw_') ? toRetain : toRemove).push(name);
this._exposedBindingNames = toRetain;
await Promise.all(toRemove.map(name => this._client.send('Runtime.removeBinding', { name })));`);
// -- _navigate Method --
const navigateMethod = frameSessionClass.getMethod("_navigate");
const navigateMethodBody = navigateMethod.getBody();
// Insert the new line of code after the responseAwaitStatement
navigateMethodBody.insertStatements(
1,
`this._client._sendMayFail('Page.waitForDebugger');`,
);
// -- _onLifecycleEvent & _onFrameNavigated Method --
for (const methodName of ["_onLifecycleEvent", "_onFrameNavigated"]) {
const frameSessionMethod = frameSessionClass.getMethod(methodName);
const frameSessionMethodBody = frameSessionMethod.getBody();
frameSessionMethod.setIsAsync(true);
frameSessionMethodBody.addStatements(`var document = await this._client._sendMayFail("DOM.getDocument");
if (!document) return
var query = await this._client._sendMayFail("DOM.querySelectorAll", {
nodeId: document.root.nodeId,
selector: "[class=" + this._crPage.initScriptTag + "]"
});
if (!query) return
for (const nodeId of query.nodeIds) await this._client._sendMayFail("DOM.removeNode", { nodeId: nodeId });
await this._client._sendMayFail('Runtime.runIfWaitingForDebugger');
// ensuring execution context
try { await this._page._frameManager.frame(this._targetId)._context("utility") } catch { };`);
}
// -- _onExecutionContextCreated Method --
const onExecutionContextCreatedMethod = frameSessionClass.getMethod(
"_onExecutionContextCreated",
);
const onExecutionContextCreatedMethodBody =
onExecutionContextCreatedMethod.getBody();
onExecutionContextCreatedMethodBody.insertStatements(
0,
`for (const name of this._exposedBindingNames) this._client._sendMayFail('Runtime.addBinding', { name: name, executionContextId: contextPayload.id });`,
);
onExecutionContextCreatedMethodBody.insertStatements(
2,
`if (contextPayload.auxData.type == "worker") throw new Error("ExecutionContext is worker");`,
);
// Locate the statements you want to replace
const statementsToRemove = onExecutionContextCreatedMethod
.getStatements()
.filter((statement) => {
const text = statement.getText();
return (
text.includes("let worldName: types.World") ||
text.includes(
"if (contextPayload.auxData && !!contextPayload.auxData.isDefault)",
) ||
text.includes("worldName = 'main'") ||
text.includes("else if (contextPayload.name === UTILITY_WORLD_NAME)") ||
text.includes("worldName = 'utility'")
);
});
// If the statements are found, remove them
statementsToRemove.forEach((statement) => {
if (statement == statementsToRemove[0])
statement.replaceWithText("let worldName = contextPayload.name;");
else statement.remove();
});
onExecutionContextCreatedMethodBody.addStatements(
`for (const source of this._exposedBindingScripts) {
this._client._sendMayFail("Runtime.evaluate", {
expression: source,
contextId: contextPayload.id,
awaitPromise: true,