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usable application #1

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sfja.skp merged 7 commits from :main into main 2024-01-19 07:27:08 +00:00
Conversation 0 Commits 7 Files Changed 18 +309 -9
12 changed files with 309 additions and 9 deletions
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27
index.js
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@ -4,6 +4,7 @@ import bcrypt from "bcrypt";
import fileUpload from "express-fileupload"; import fileUpload from "express-fileupload";
import path from "path"; import path from "path";
import childProcess from "child_process"; import childProcess from "child_process";
import levenshtein from "js-levenshtein";
const users = []; const users = [];
let sessions = []; let sessions = [];
@ -32,12 +33,12 @@ app.post("/api/register", async (req, res) => {
return res.status(400).json({ ok: false, error: "bad request" }); return res.status(400).json({ ok: false, error: "bad request" });
} }
const existingUser = users.find(user => user.username === username); const existingUser = users.find(user => user.username === username);
if (existingUser === undefined) { if (existingUser !== undefined) {
return res.status(400).json({ ok: false, error: "username taken" }); return res.status(400).json({ ok: false, error: "username taken" });
} }
const passwordHash = await bcrypt.hash(password, 10); const passwordHash = await bcrypt.hash(password, 10);
const id = users.length; const id = users.length;
const user = { id, username, passwordHash }; const user = { id, username, password: passwordHash };
users.push(user); users.push(user);
return res.status(200).json({ ok: true, user }); return res.status(200).json({ ok: true, user });
}); });
@ -63,6 +64,28 @@ app.post("/api/login", async (req, res) => {
return res.status(200).json({ ok: true, session }); return res.status(200).json({ ok: true, session });
}); });
app.get("/api/search", async (req, res) => {
const page = +req.query.page || 0;
const search = req.query.query;
if (!search) {
return res.status(400).json({ ok: false, error: "bad request" });
}
const [start, end] = [20 * page, 20 * (page + 1)];
const returnedVideos = videos
.map(video => ({dist: levenshtein(search, video.title), ...video}))
.toSorted((a, b) => a.dist - b.dist)
.slice(start, end)
.map(video => {
const user = users.find(user => user.id === v.userId);
if (!user) {
return {...video, author: "[Liberal]"};
}
return {...video, author: user.username};
});
return res.status(200).json({ ok: true, videos: returnedVideos, total: videos.length });
});
function authorized() { function authorized() {
return (req, res, next) => { return (req, res, next) => {
const token = (() => { const token = (() => {

11
package-lock.json generated
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@ -12,7 +12,8 @@
"bcrypt": "^5.1.1", "bcrypt": "^5.1.1",
"cors": "^2.8.5", "cors": "^2.8.5",
"express": "^4.18.2", "express": "^4.18.2",
"express-fileupload": "^1.4.3" "express-fileupload": "^1.4.3",
"js-levenshtein": "^1.1.6"
} }
}, },
"node_modules/@mapbox/node-pre-gyp": { "node_modules/@mapbox/node-pre-gyp": {
@ -668,6 +669,14 @@
"node": ">=8" "node": ">=8"
} }
}, },
"node_modules/js-levenshtein": {
"version": "1.1.6",
"resolved": "https://registry.npmjs.org/js-levenshtein/-/js-levenshtein-1.1.6.tgz",
"integrity": "sha512-X2BB11YZtrRqY4EnQcLX5Rh373zbK4alC1FW7D7MBhL2gtcC17cTnr6DmfHZeS0s2rTHjUTMMHfG7gO8SSdw+g==",
"engines": {
"node": ">=0.10.0"
}
},
"node_modules/lru-cache": { "node_modules/lru-cache": {
"version": "6.0.0", "version": "6.0.0",
"resolved": "https://registry.npmjs.org/lru-cache/-/lru-cache-6.0.0.tgz", "resolved": "https://registry.npmjs.org/lru-cache/-/lru-cache-6.0.0.tgz",

3
package.json
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@ -14,6 +14,7 @@
"bcrypt": "^5.1.1", "bcrypt": "^5.1.1",
"cors": "^2.8.5", "cors": "^2.8.5",
"express": "^4.18.2", "express": "^4.18.2",
"express-fileupload": "^1.4.3" "express-fileupload": "^1.4.3",
"js-levenshtein": "^1.1.6"
} }
} }

3
public/index.html
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@ -4,11 +4,10 @@
<meta charset="utf-8"> <meta charset="utf-8">
<title>MaoTube</title> <title>MaoTube</title>
<link rel="stylesheet" href="style.css"> <link rel="stylesheet" href="style.css">
<script src="script.js" defer></script>
</head> </head>
<body> <body>
<h1>MaoTube</h1> <h1>MaoTube</h1>
<form method="GET" target="/search"> <form method="GET" target="_self" action="/search">
<input type="text" name="query" placeholder="..."> <input type="text" name="query" placeholder="...">
<input type="submit" value="Search"> <input type="submit" value="Search">
</form> </form>

35
public/login/index.html Normal file
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@ -0,0 +1,35 @@
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>MaoTube</title>
<link rel="stylesheet" href="/style.css">
</head>
<body>
<h1>MaoTube</h1>
<div>
<label for="username"><p>Username</p></label>
<input type="text" name="username" id="username">
<label for="password"><p>Password</p></label>
<input type="text" name="password" id="password">
<br>
<br>
<input type="submit" id="submit" value="Login">
</div>
<br>
<div id="result">
<noscript>
<div class="mao-error">
<p>javascript not enabled</p>
<p>bottom text</p>
</div>
</noscript>
<div id="mao-error" class="mao-error hidden">
<p id="mao-error-message"></p>
<p>bottom text</p>
</div>
</div>
<script src="script.js"></script>
</body>
</html>

46
public/login/script.js Normal file
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@ -0,0 +1,46 @@
function error(message) {
const errorContainer = document.getElementById("mao-error");
const errorElement = document.getElementById("mao-error-message");
errorElement.innerText = message;
errorContainer.classList.remove("hidden");
}
function displayResponse(response) {
if (!response.ok) {
error(response.error);
return;
}
window.location.href = "/";
}
function click() {
const username = document.getElementById("username").value;
const password = document.getElementById("password").value;
if (username.trim().length === 0) {
error("username cannot be empty");
return;
} else if (password.trim().length === 0) {
error("password cannot be empty");
return;
}
const method = "POST";
const body = JSON.stringify({ username, password });
const headers = new Headers({ "Content-Type": "application/json" });
return fetch("/api/login", {
method,
body,
headers,
})
.then(v => v.json())
.then(displayResponse);
}
function main() {
const submit = document.getElementById("submit");
submit.addEventListener("click", () => click())
}
main();

35
public/register/index.html Normal file
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@ -0,0 +1,35 @@
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>MaoTube</title>
<link rel="stylesheet" href="/style.css">
</head>
<body>
<h1>MaoTube</h1>
<div>
<label for="username"><p>Username</p></label>
<input type="text" name="username" id="username">
<label for="password"><p>Password</p></label>
<input type="text" name="password" id="password">
<br>
<br>
<input type="submit" id="submit" value="Register">
</div>
<br>
<div id="result">
<noscript>
<div class="mao-error">
<p>javascript not enabled</p>
<p>bottom text</p>
</div>
</noscript>
<div id="mao-error" class="mao-error hidden">
<p id="mao-error-message"></p>
<p>bottom text</p>
</div>
</div>
<script src="script.js"></script>
</body>
</html>

46
public/register/script.js Normal file
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@ -0,0 +1,46 @@
function error(message) {
const errorContainer = document.getElementById("mao-error");
const errorElement = document.getElementById("mao-error-message");
errorElement.innerText = message;
errorContainer.classList.remove("hidden");
}
function displayResponse(response) {
if (!response.ok) {
error(response.error);
return;
}
window.location.href = "/login";
}
function click() {
const username = document.getElementById("username").value;
const password = document.getElementById("password").value;
if (username.trim().length === 0) {
error("username cannot be empty");
return;
} else if (password.trim().length === 0) {
error("password cannot be empty");
return;
}
const method = "POST";
const body = JSON.stringify({ username, password });
const headers = new Headers({ "Content-Type": "application/json" });
return fetch("/api/register", {
method,
body,
headers,
})
.then(v => v.json())
.then(displayResponse);
}
function main() {
const submit = document.getElementById("submit");
submit.addEventListener("click", () => click())
}
main();

3
public/script.js
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@ -1,3 +0,0 @@

30
public/search/index.html Normal file
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@ -0,0 +1,30 @@
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>MaoTube</title>
<link rel="stylesheet" href="/style.css">
</head>
<body>
<h1>MaoTube</h1>
<form method="GET" action="/search" target="_self">
<input type="text" name="query" placeholder="...">
<input type="submit" value="Search">
</form>
<br>
<div id="result">
<noscript>
<div class="mao-error">
<p>javascript not enabled</p>
<p>bottom text</p>
</div>
</noscript>
<div id="mao-error" class="mao-error hidden">
<p id="mao-error-message"></p>
<p>bottom text</p>
</div>
</div>
<script src="script.js"></script>
</body>
</html>

38
public/search/script.js Normal file
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@ -0,0 +1,38 @@
function error(message) {
const errorContainer = document.getElementById("mao-error");
const errorElement = document.getElementById("mao-error-message");
errorElement.innerText = message;
errorContainer.classList.remove("hidden");
}
function displayResponse(response) {
if (!response.ok) {
error(response.error);
return;
}
const { videos, total } = response;
if (videos.length === 0) {
error("search returned no results");
return;
}
const resultElement = document.getElementById("result");
resultElement.innerHTML = `<p>Showing ${videos.length}/${total} results.</p>`
+ "<ul id='video-list'>"
+ videos
.map(v => {
return `<li><p><a href="${v.path}">${v.title}</a> - ${v.author}</p></li>`
})
.join("")
+ "</ul>";
}
function main() {
const params = new URLSearchParams(window.location.search);
return fetch(`/api/search?${params.toString()}`)
.then(v => v.json())
.then(displayResponse);
}
main();

41
public/style.css
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@ -12,3 +12,44 @@ body {
padding: 2rem; padding: 2rem;
text-align: center; text-align: center;
} }
.mao-error {
display: flex;
flex-direction: column;
background: url("/chairman_1.jpg");
background-size: auto 600px;
background-repeat: no-repeat;
background-position: center center;
height: 600px;
}
.hidden {
display: none;
}
.mao-error p {
color: #fff;
text-transform: uppercase;
font-weight: bold;
font-family: "Impact", "Bebas", "League Gothic", "Oswald", "Coluna", "Ubuntu Condensed", system-ui, sans-serif;
text-shadow:
3px 3px 0 black,
-3px -3px 0 black,
3px -3px 0 black,
-3px 3px 0 black,
-3px 0px 0 black,
3px 0px 0 black,
0px 3px 0 black,
0px -3px 0 black;
font-size: 2em;
}
.mao-error p:last-child {
margin-top: auto;
}
ul#video-list {
padding: 0;
list-style: none;
}