140 lines
3.5 KiB
HTML
140 lines
3.5 KiB
HTML
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<!DOCTYPE html charset="UTF-8">
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<html>
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<head>
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<meta charset="UTF-8">
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<link rel="stylesheet" href="https://cdn.jsdelivr.net/gh/highlightjs/cdn-release@11.2.0/build/styles/default.min.css">
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<script src="https://cdn.jsdelivr.net/gh/highlightjs/cdn-release@11.2.0/build/highlight.min.js"></script>
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<script src="https://cdn.jsdelivr.net/npm/marked/marked.min.js"></script>
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<script>
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class Content {
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content = "";
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type = "";
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metaData = {}
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constructor(content, type, metaData = {})
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{
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this.content = content;
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this.type = type;
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this.metaData = metaData;
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}
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}
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class Index
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{
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mimeType = "";
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chunks = 0;
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hash = "";
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metaData = {};
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constructor(mimeType, chunks, hash, metaData = {})
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{
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this.mimeType = mimeType;
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this.chunks = chunks;
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this.hash = hash;
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this.metaData = metaData
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}
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}
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const dohServer = "https://cloudflare-dns.com/dns-query?ct=application/dns-json&type=TXT&name=";
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const baseDomain = "hod.experiments.jacobkiers.net";
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async function readUrl(domain) {
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var index = await fetchIndex(`${dohServer}${domain}.${baseDomain}`);
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var chunk_promises = [];
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for(i = 0; i < index.chunks; i++)
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{
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chunk_promises[i] = fetchChunk(i, index.hash);
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}
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var chunks = await Promise.all(chunk_promises);
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var content = chunks.reduce((built, current) => built += current);
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return handleContent(new Content(atob(content), index.mimeType, index.metaData));
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}
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async function fetchChunk(id, hash)
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{
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var domain = `${id}.${hash}.${baseDomain}`;
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const json = await fetch(`${dohServer}${domain}`)
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.then(response => response.json());
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const data = json.Answer[0].data.slice(1, -1);
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return data;
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}
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async function fetchIndex(domain)
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{
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const response = await fetch(`${dohServer}.${domain}`);
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const json = await response.json();
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const index = json.Answer[0].data.slice(1, -1);
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let ret = {};
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let items = index.split(';');
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items.forEach(item => {
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let md = item.split('=');
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let key = md[0];
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let value = md[1];
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ret[key] = value;
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});
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const metadata = JSON.parse(atob(ret["m"]));
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return new Index(ret["t"], ret["c"], ret["h"], metadata);
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}
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function handleContent(content)
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{
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if (!content instanceof Content) {
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console.log("Not valid content in handleContent.")
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return;
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}
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switch(content.type)
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{
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case "text/javascript":
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return handleJavascript(content);
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case "text/markdown":
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return handleMarkdown(content);
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default:
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console.log(`handleContent() does not know how to parse ${content.type}`);
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break;
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}
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}
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function handleJavascript(content)
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{
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console.log("Got some javascript!", content.content);
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}
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async function handleMarkdown(content)
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{
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console.log("Got me some markdown!");
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marked.setOptions({
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highlight: function(code, lang) {
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return hljs.highlight(lang, code).value;
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},
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// langPrefix: ''
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});
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if (content.metaData.title != undefined) document.title = content.metaData.title;
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document.getElementById("post").innerHTML = marked(content.content);
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let title = document.createElement("h1");
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title.innerHTML = content.metaData.title;
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document.getElementById("post").prepend(title)
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}
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</script>
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</head>
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<body>
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<script>
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readUrl("posts-2015-01-24-multiple-return-values-with-mockery-md");
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</script>
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<div id="post"></div>
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</body>
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</html>
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