Mirroristas/pow-captcha
2
0
Fork 0
mirror of https://github.com/sequentialread/pow-captcha.git synced 2025-03-30 15:08:29 +00:00
Code Issues Packages Projects Releases Wiki Activity

fixing race condition bug

Browse Source
This commit is contained in:
forest 2021-09-24 17:28:12 -05:00
parent 1f0205d268
commit 1a04d77a54
3 changed files with 46 additions and 43 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
build-docker.sh
View File

@ -1,6 +1,6 @@
#!/bin/bash -e
VERSION="0.0.11"
VERSION="0.0.13"
rm -rf dockerbuild || true
mkdir dockerbuild

2
example/main.go
View File

@ -14,7 +14,7 @@ import (
"strconv"
"time"
"github.com/pkg/errors"
errors "git.sequentialread.com/forest/pkg-errors"
)
var httpClient *http.Client

85
static/captcha.js
View File

@ -83,7 +83,7 @@
renderCaptcha(element);
}
const onFormWasTouched = () => {
window.sqrCaptchaTrigger = () => {
const challenge = element.dataset.sqrCaptchaChallenge;
if(!challengesMap[challenge]) {
@ -123,8 +123,8 @@
.concat(Array.from(form.querySelectorAll("textarea")));
inputElements.forEach(inputElement => {
inputElement.onchange = onFormWasTouched;
inputElement.onkeydown = onFormWasTouched;
inputElement.onchange = () => window.sqrCaptchaTrigger();
inputElement.onkeydown = () => window.sqrCaptchaTrigger();
});
});
@ -146,7 +146,7 @@
);
let webWorkers;
webWorkers = [...Array(numberOfWebWorkersToCreate)].map(x => {
webWorkers = [...Array(numberOfWebWorkersToCreate)].map((_, i) => {
const webWorker = new Worker(webWorkerPointerDataURL);
webWorker.onmessage = function(e) {
const challengeState = challengesMap[e.data.challenge]
@ -161,45 +161,48 @@
}
challengeState.attempts += e.data.attempts;
} else if(e.data.type == "success") {
challengeState.done = true;
clearInterval(challengeState.updateProgressInterval);
const element = challengeState.element;
const progressBar = element.querySelector(".sqr-captcha-progress-bar");
const checkmark = element.querySelector(".sqr-checkmark-icon");
const gears = element.querySelector(".sqr-gears-icon");
const bestHashElement = element.querySelector(".sqr-captcha-best-hash");
const description = element.querySelector(".sqr-captcha-description");
challengeState.smallestHash = e.data.smallestHash;
bestHashElement.textContent = getHashProgressText(challengeState);
bestHashElement.classList.add("sqr-captcha-best-hash-done");
checkmark.style.display = "block";
checkmark.style.animationPlayState = "running";
gears.style.display = "none";
progressBar.style.width = "100%";
description.innerHTML = "";
createElement(
description,
"a",
{"href": "https://en.wikipedia.org/wiki/Proof_of_work"},
"Proof of Work"
);
appendFragment(description, " complete, you may now submit your post. ");
createElement(description, "br");
appendFragment(description, "This an accessible & privacy-respecting anti-spam measure. ");
webWorkers.forEach(x => x.postMessage({stop: "STOP"}));
const callback = getCallbackFromGlobalNamespace(element.dataset.sqrCaptchaCallback);
if(!callback) {
console.error(`error: data-sqr-captcha-callback '${element.dataset.sqrCaptchaCallback}' `
+ "is not defined in the global namespace!");
if(!challengeState.done) {
challengeState.done = true;
clearInterval(challengeState.updateProgressInterval);
const element = challengeState.element;
const progressBar = element.querySelector(".sqr-captcha-progress-bar");
const checkmark = element.querySelector(".sqr-checkmark-icon");
const gears = element.querySelector(".sqr-gears-icon");
const bestHashElement = element.querySelector(".sqr-captcha-best-hash");
const description = element.querySelector(".sqr-captcha-description");
challengeState.smallestHash = e.data.smallestHash;
bestHashElement.textContent = getHashProgressText(challengeState);
bestHashElement.classList.add("sqr-captcha-best-hash-done");
checkmark.style.display = "block";
checkmark.style.animationPlayState = "running";
gears.style.display = "none";
progressBar.style.width = "100%";
description.innerHTML = "";
createElement(
description,
"a",
{"href": "https://en.wikipedia.org/wiki/Proof_of_work"},
"Proof of Work"
);
appendFragment(description, " complete, you may now submit your post. ");
createElement(description, "br");
appendFragment(description, "This an accessible & privacy-respecting anti-spam measure. ");
webWorkers.forEach(x => x.postMessage({stop: "STOP"}));
const callback = getCallbackFromGlobalNamespace(element.dataset.sqrCaptchaCallback);
if(!callback) {
console.error(`error: data-sqr-captcha-callback '${element.dataset.sqrCaptchaCallback}' `
+ "is not defined in the global namespace!");
} else {
console.log(`firing callback for challenge ${e.data.challenge} w/ nonce ${e.data.nonce}, smallestHash: ${e.data.smallestHash}, difficulty: ${e.data.difficulty}`);
callback(e.data.nonce);
}
} else {
callback(e.data.nonce);
console.log("success recieved twice");
}
} else if(e.data.type == "error") {
console.error(`error: webworker errored out: '${e.data.message}'`);
} else {