Make stuff useable
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1 changed files with 132 additions and 14 deletions
146
index.html
146
index.html
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@ -7,14 +7,13 @@
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<script>
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/*
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* TODO:
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* - rewrite functions to not use copied functions
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* - add UI
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* - add style
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* - make everything not look like made at 0:41 on a phone
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* - [ ] rewrite functions to not use copied functions
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* - [x] add UI
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* - [x] add style
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* - [ ] make everything not look like made at 0:41 on a phone
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*/
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function hex2Bytes(hexdata) {
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function hexToBytes(hexdata) {
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// https://stackoverflow.com/a/39396866
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var arr = hexdata.replace(/[^0-9a-fA-F]/g, '')
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.match(/[0-9a-fA-F]{2}/g);
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for(var i = 0; i<arr.length; i++) {
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@ -24,7 +23,7 @@
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return arr;
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}
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function bytes2Base64(byteArray) {
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function bytesToBase64(byteArray) {
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// https://stackoverflow.com/a/11562550
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return btoa(
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String.fromCharCode.apply(
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@ -43,26 +42,145 @@
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return bytes;
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}
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function bytes2Hex(byteArray) {
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function bytesToHex(byteArray) {
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// https://stackoverflow.com/a/34310051
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return Array.from(byteArray, function(byte) {
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return ('0' + (byte & 0xFF).toString(16)).slice(-2);
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}).join('');
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}
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function infohash2Base64(infohash) {
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return bytes2Base64(
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hex2Bytes(infohash)
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function infohashToBase64(infohash) {
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return bytesToBase64(
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hexToBytes(infohash)
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);
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}
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function base642Infohash(b64) {
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return bytes2Hex(
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function base64ToInfohash(b64) {
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return bytesToHex(
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base64ToArray(b64)
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);
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}
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// Everything for the UI itself
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// Holds the state of tabs.
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// Intended values are "encode" and "decode"
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let tabOpen = "encode"
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function switchTab(name) {
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// Switches the tab
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// only "encode" and "decode" values are supported
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if (name === "encode") {
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document.getElementById("encode").style.display = "block"
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document.getElementById("decode").style.display = "none"
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} else if (name === "decode") {
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document.getElementById("encode").style.display = "none"
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document.getElementById("decode").style.display = "block"
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}
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}
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addEventListener("DOMContentLoaded", (event) => {
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// Get the current query params
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const urlParams = new URLSearchParams(window.location.search);
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if (
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urlParams.has("tab") &&
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["encode", "decode"].includes(urlParams.get("tab"))
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) {
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// Check if tab parameter is set up and is correct
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// If not, an default value will be used
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tabOpen = urlParams.get("tab")
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}
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switchTab(tabOpen)
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// Show the result of the action performed before reloading
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if (urlParams.get("tab") === "encode" && urlParams.has("infohashv1")) {
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document.getElementById("encodeResult").innerText = infohashToBase64(urlParams.get("infohashv1"))
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} else if (urlParams.get("tab") === "decode" && urlParams.has("base64value")) {
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document.getElementById("decodeResult").innerText = base64ToInfohash(urlParams.get("base64value"))
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}
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});
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</script>
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<style>
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body {
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display: flex; flex-direction: column;
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justify-content: center; text-align: center;
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background-color: #10101a;
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color: white;
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font-family: monospace;
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}
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main {
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padding: 1em;
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border: 1px solid white;
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width: 50%; border-radius: 1em;
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}
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input {
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color: white;
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background-color: transparent;
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border: 1px solid #50505a;
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}
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label {
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margin-right: 0.5rem;
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}
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.tab {
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border: 1px solid white;
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padding: 0.5em;
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border-radius: 0em 1em 1em 1em;
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}
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.result:empty { display: none;}
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.result {
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background-color: rgba(32, 32, 42, 0.5);
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margin-top: 1em;
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padding: 0.5rem;
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border: 1px solid gray;
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border-radius: 1em;
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}
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.tabBar {
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display: flex;
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border-collapse: collapse;
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}
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.button {
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padding: 0.5em;
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border: 1px solid white;
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border-bottom: none;
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transition: box-shadow 200ms ease;
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}
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.button:hover {
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box-shadow: 1px 5px 15px black;
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}
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.button:active {
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background-color: rgba(255,255,255, 0.2);
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}
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</style>
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</head>
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<body>
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open your console
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<main>
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<h1>infohash ↔ base64</h1>
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<noscript>
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This tool requires JavaScript to function.
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You can use DevTools in your browser to look at the code (it's intended to be easily readable).
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</noscript>
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<div class="tabBar">
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<div onclick="switchTab('encode')" class="button">Encode</div>
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<div onclick="switchTab('decode')" class="button">Decode</div>
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</div>
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<div class="tab" id="encode">
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<form>
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<h2>Encode</h2>
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<input type="hidden" name="tab" value="encode" />
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<label for="infohashv1">infohash v1</label><input type="text" id="infohashv1" name="infohashv1" pattern="[0-9a-f]*" />
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<input type="submit" method="get" value="convert"/>
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</form>
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<div class="result" id="encodeResult"></div>
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</div>
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<div class="tab" id="decode">
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<form>
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<h2>Decode</h2>
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<input type="hidden" name="tab" value="decode" />
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<label for="base64value">base64 value</label><input type="text" id="base64value" name="base64value" />
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<input type="submit" method="get" value="convert"/>
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</form>
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<div class="result" id="decodeResult"></div>
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</div>
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</main>
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</body>
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</html>
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