Stowage/browsertrix-crawler
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add checkCF() that will detect cloudflare ddos page and wait 5 seconds until original page is loaded

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This commit is contained in:
Ilya Kreymer 2022-03-14 19:00:51 -07:00
parent 0fcc89fdb4
commit d1e53e6e26
2 changed files with 16 additions and 1 deletions
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15
crawler.js
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@ -310,6 +310,8 @@ class Crawler {
await page._client.send("Network.setBypassServiceWorker", {bypass: true});
}
await page.evaluateOnNewDocument("Object.defineProperty(navigator, \"webdriver\", {value: false});");
if (this.params.behaviorOpts && !page.__bx_inited) {
await page.exposeFunction(BEHAVIOR_LOG_FUNC, (logdata) => this._behaviorLog(logdata));
await page.evaluateOnNewDocument(behaviors + `;\nself.__bx_behaviors.init(${this.params.behaviorOpts});`);
@ -581,6 +583,8 @@ class Crawler {
const seed = this.params.scopedSeeds[seedId];
await this.checkCF(page);
// skip extraction if at max depth
if (seed.isAtMaxDepth(depth) || !selectorOptsList) {
return;
@ -649,6 +653,17 @@ class Crawler {
}
}
async checkCF(page) {
try {
while (await page.$("div.cf-browser-verification.cf-im-under-attack")) {
this.statusLog("Cloudflare Check Detected, waiting for reload...");
await this.sleep(5500);
}
} catch (e) {
console.warn(e);
}
}
async queueUrl(seedId, url, depth, extraHops = 0) {
if (this.limitHit) {
return false;

2
create-login-profile.js
View file

@ -126,7 +126,7 @@ async function main() {
await page.setCacheEnabled(false);
if (params.interactive) {
await page.evaluateOnNewDocument('Object.defineProperty(navigator, "webdriver", {value: false});');
await page.evaluateOnNewDocument("Object.defineProperty(navigator, \"webdriver\", {value: false});");
// for testing, inject browsertrix-behaviors
await page.evaluateOnNewDocument(behaviors + ";\nself.__bx_behaviors.init();");
}