mirror of
https://github.com/sigmasternchen/axowall
synced 2025-03-15 00:28:54 +00:00
move css to build step, add challenge url
This commit is contained in:
overflowerror
parent
1877b1aa6e
commit
52309a8e21
7 changed files with 142 additions and 103 deletions
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@ -5,6 +5,7 @@
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"main": "src/main.ts",
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"scripts": {
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"build": "esbuild src/main.ts --bundle --outfile=public/bundle.js",
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"build-mini": "esbuild src/main.ts --minify --bundle --outfile=public/bundle.js",
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"test": "echo \"Error: no test specified\" && exit 1"
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},
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"repository": {
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5
public/challenge.json
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5
public/challenge.json
Normal file
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@ -0,0 +1,5 @@
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{
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"algo": "SHA-256",
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"prefixBits": "15",
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"input": "challenge:"
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}
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@ -2,85 +2,9 @@
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<html>
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<head>
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<script src="bundle.js"></script>
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<style>
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.captcha {
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width: 300px;
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height: 70px;
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padding: 19px;
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border: 1px solid grey;
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box-sizing: border-box;
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font-size: 20px;
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font-family: sans-serif;
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}
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.captcha span {
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position: relative;
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top: -9px;
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}
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.captcha .checkbox {
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position: relative;
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margin: 0;
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margin-right: 20px;
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height: 30px;
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width: 30px;
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display: inline-block;
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background-color: white;
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cursor: pointer;
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border: 1px solid black;
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border-radius: 3px;
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}
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.captcha .checkbox:hover {
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background-color: lightgrey;
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}
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.captcha .checkbox.checked {
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background-color: #2196F3;
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}
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.captcha .checkbox.checked::before {
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position: absolute;
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display: block;
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content: "";
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width: 7px;
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height: 15px;
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top: 2px;
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left: 9px;
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border: white solid;
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border-width: 0 5px 5px 0;
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transform: rotate(45deg);
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}
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.captcha .checkbox.loading {
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}
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.captcha .checkbox.loading::before {
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content: "";
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display: block;
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position: absolute;
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top: 2.5px;
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left: 2.5px;
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width: 17px;
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height: 17px;
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border: 4px solid;
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border-radius: 50%;
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border-color: black transparent black transparent;
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animation: captchaLoading infinite 1s;
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}
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@keyframes captchaLoading {
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to{
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transform: rotate(.5turn)
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}
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}
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</style>
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<script>
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</script>
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<link href="bundle.css" rel="stylesheet">
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</head>
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<body>
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<div class="captcha"></div>
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<div class="captcha" data-challenge-url="/challenge.json"></div>
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</body>
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</html>
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10
src/challenge.ts
Normal file
10
src/challenge.ts
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@ -0,0 +1,10 @@
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export type Challenge = {
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algo: string,
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prefixBits: number,
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input: string,
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}
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export function validateChallenge(challenge: Challenge): boolean {
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return !!challenge.algo && challenge.prefixBits > 0 && !!challenge.input;
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}
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70
src/default-styles.css
Normal file
70
src/default-styles.css
Normal file
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@ -0,0 +1,70 @@
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.captcha {
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width: 300px;
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height: 70px;
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padding: 19px;
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border: 1px solid grey;
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box-sizing: border-box;
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font-size: 20px;
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font-family: sans-serif;
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}
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.captcha span {
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position: relative;
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top: -9px;
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}
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.captcha .checkbox {
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position: relative;
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margin: 0 20px 0 0;
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height: 30px;
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width: 30px;
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display: inline-block;
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background-color: white;
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cursor: pointer;
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border: 1px solid black;
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border-radius: 3px;
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}
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.captcha .checkbox:hover {
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background-color: lightgrey;
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}
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.captcha .checkbox.checked {
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background-color: #2196F3;
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}
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.captcha .checkbox.checked::before {
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position: absolute;
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display: block;
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content: "";
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width: 7px;
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height: 15px;
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top: 2px;
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left: 9px;
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border: white solid;
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border-width: 0 5px 5px 0;
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transform: rotate(45deg);
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}
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.captcha .checkbox.loading {
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}
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.captcha .checkbox.loading::before {
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content: "";
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display: block;
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position: absolute;
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top: 3px;
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left: 3px;
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width: 17px;
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height: 17px;
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border: 4px solid;
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border-radius: 50%;
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border-color: black transparent black transparent;
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animation: captchaLoading infinite 1s;
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}
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@keyframes captchaLoading {
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to {
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transform: rotate(.5turn)
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}
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}
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@ -29,4 +29,4 @@ Uint8Array.prototype.hasPrefix = function(prefix: Uint8Array, bits: number): boo
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export async function digest(algo: AlgorithmIdentifier, input: string): Promise<Uint8Array> {
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return new Uint8Array(await crypto.subtle.digest(algo, new TextEncoder().encode(input)));
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}
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}
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77
src/main.ts
77
src/main.ts
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@ -1,6 +1,9 @@
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import {makeSuffix} from "./content";
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import {digest, sha256} from "./hash";
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import "./default-styles.css";
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import {Challenge, validateChallenge} from "./challenge";
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async function findHashWithPrefix(hashPrefixBits: number, inputPrefix: string): Promise<string> {
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const hashPrefix = new Uint8Array(Array(Math.ceil(hashPrefixBits / 8)).map(_ => 0));
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let iteration = 0;
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@ -13,30 +16,56 @@ async function findHashWithPrefix(hashPrefixBits: number, inputPrefix: string):
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return message;
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}
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function initCaptchaContentAndGetCheckbox(captcha: Element): Element {
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const checkbox = document.createElement("div");
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checkbox.classList.add("checkbox");
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captcha.append(checkbox);
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const text = document.createElement("span");
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text.innerText = "I am not a robot";
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captcha.append(text);
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return checkbox;
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}
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function prepareChallengeExecution(challenge: Challenge): () => Promise<void> {
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return async function() {
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console.log("Calculating...");
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this.classList.add("loading");
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const response = await findHashWithPrefix(challenge.prefixBits, challenge.input);
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console.log("Challenge Response: " + response);
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this.classList.remove("loading");
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this.classList.add("checked");
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}
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}
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async function prepareCaptcha(captcha: Element) {
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const challengeUrl = captcha.getAttribute("data-challenge-url");
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if (!challengeUrl) {
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console.warn("No challenge URL found.");
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return;
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}
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const checkbox = initCaptchaContentAndGetCheckbox(captcha);
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checkbox.classList.add("loading");
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const challengeResponse = await fetch(challengeUrl);
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const challenge = await challengeResponse.json() as Challenge;
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if (!validateChallenge(challenge)) {
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console.warn("Challenge is invalid.");
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return;
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}
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checkbox.classList.remove("loading");
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checkbox.addEventListener("click", prepareChallengeExecution(challenge));
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}
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window.addEventListener("load", () => {
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console.log("load");
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[...document.getElementsByClassName("captcha")].forEach(captcha => {
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console.dir(captcha);
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const checkbox = document.createElement("div");
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checkbox.classList.add("checkbox");
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captcha.append(checkbox);
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const text = document.createElement("span");
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text.innerText = "I am not a robot";
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captcha.append(text);
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checkbox.addEventListener("click", async function() {
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console.log("Calculating...");
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this.classList.add("loading");
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const challenge = makeSuffix(Math.floor(Math.random() * Number.MAX_SAFE_INTEGER)) + ":" + makeSuffix(new Date().valueOf()) + ":";
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const response = await findHashWithPrefix(15, challenge);
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console.log("Challenge Response: " + response);
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this.classList.remove("loading");
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this.classList.add("checked");
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})
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});
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[...document.getElementsByClassName("captcha")].forEach(prepareCaptcha);
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});
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