convertor/src/index.tsx
2024-05-19 00:22:52 +02:00

475 lines
12 KiB
TypeScript

import { randomUUID } from "node:crypto";
import { mkdir, unlink } from "node:fs/promises";
import cookie from "@elysiajs/cookie";
import { html } from "@elysiajs/html";
import { jwt } from "@elysiajs/jwt";
import { staticPlugin } from "@elysiajs/static";
import { Database } from "bun:sqlite";
import { Elysia, t } from "elysia";
import { BaseHtml } from "./components/base";
import { Header } from "./components/header";
import { mainConverter, possibleConversions } from "./converters/main";
import { normalizeFiletype } from "./helpers/normalizeFiletype";
const db = new Database("./data/mydb.sqlite", { create: true });
const uploadsDir = "./data/uploads/";
const outputDir = "./data/output/";
const jobs = {};
// fileNames: fileNames,
// filesToConvert: fileNames.length,
// convertedFiles : 0,
// outputFiles: [],
// init db
db.exec(`
CREATE TABLE IF NOT EXISTS users (
id INTEGER PRIMARY KEY AUTOINCREMENT,
email TEXT NOT NULL,
password TEXT NOT NULL
);
CREATE TABLE IF NOT EXISTS file_names (
id INTEGER PRIMARY KEY AUTOINCREMENT,
job_id TEXT NOT NULL,
file_name TEXT NOT NULL,
output_file_name TEXT NOT NULL
);
CREATE TABLE IF NOT EXISTS jobs (
id INTEGER PRIMARY KEY AUTOINCREMENT,
user_id INTEGER NOT NULL,
job_id TEXT NOT NULL,
date_created TEXT NOT NULL,
status TEXT DEFAULT 'pending',
converted_files INTEGER DEFAULT 0
);`);
// enable WAL mode
db.exec("PRAGMA journal_mode = WAL;");
const app = new Elysia()
.use(cookie())
.use(html())
.use(
jwt({
name: "jwt",
schema: t.Object({
id: t.String(),
}),
secret: "secret",
exp: "7d",
}),
)
.use(
staticPlugin({
assets: "src/public/",
prefix: "/",
}),
)
.get("/register", () => {
return (
<BaseHtml title="ConvertX | Register">
<Header />
<main class="container-fluid">
<form method="post">
<input type="email" name="email" placeholder="Email" required />
<input
type="password"
name="password"
placeholder="Password"
required
/>
<input type="submit" value="Register" />
</form>
</main>
</BaseHtml>
);
})
.post(
"/register",
async function handler({ body, set, jwt, cookie: { auth } }) {
const existingUser = await db
.query("SELECT * FROM users WHERE email = ?")
.get(body.email);
if (existingUser) {
set.status = 400;
return {
message: "Email already in use.",
};
}
const savedPassword = await Bun.password.hash(body.password);
db.run(
"INSERT INTO users (email, password) VALUES (?, ?)",
body.email,
savedPassword,
);
const user = await db
.query("SELECT * FROM users WHERE email = ?")
.get(body.email);
const accessToken = await jwt.sign({
id: String(user.id),
});
// set cookie
auth.set({
value: accessToken,
httpOnly: true,
secure: true,
maxAge: 60 * 60 * 24 * 7,
sameSite: "strict",
});
// redirect to home
set.status = 302;
set.headers = {
Location: "/",
};
},
)
.get("/login", () => {
return (
<BaseHtml title="ConvertX | Login">
<Header />
<main class="container-fluid">
<form method="post">
<input type="email" name="email" placeholder="Email" required />
<input
type="password"
name="password"
placeholder="Password"
required
/>
<div role="group">
<a href="/register" role="button" class="secondary">
Register an account
</a>
<input type="submit" value="Login" />
</div>
</form>
</main>
</BaseHtml>
);
})
.post("/login", async function handler({ body, set, jwt, cookie: { auth } }) {
const existingUser = await db
.query("SELECT * FROM users WHERE email = ?")
.get(body.email);
if (!existingUser) {
set.status = 403;
return {
message: "Invalid credentials.",
};
}
const validPassword = await Bun.password.verify(
body.password,
existingUser.password,
);
if (!validPassword) {
set.status = 403;
return {
message: "Invalid credentials.",
};
}
const accessToken = await jwt.sign({
id: String(existingUser.id),
});
// set cookie
// set cookie
auth.set({
value: accessToken,
httpOnly: true,
secure: true,
maxAge: 60 * 60 * 24 * 7,
sameSite: "strict",
});
// redirect to home
set.status = 302;
set.headers = {
Location: "/",
};
})
.get("/logout", ({ redirect, cookie: { auth } }) => {
if (auth?.value) {
auth.remove();
}
return redirect("/login");
})
.post("/logout", ({ redirect, cookie: { auth } }) => {
if (auth?.value) {
auth.remove();
}
return redirect("/login");
})
.get("/", async ({ jwt, redirect, cookie: { auth, jobId } }) => {
// validate jwt
const user = await jwt.verify(auth.value);
if (!user) {
return redirect("/login");
}
// make sure user exists in db
const existingUser = await db
.query("SELECT * FROM users WHERE id = ?")
.get(user.id);
if (!existingUser) {
if (auth?.value) {
auth.remove();
}
return redirect("/login");
}
// create a unique job id
jobId.set({
value: randomUUID(),
httpOnly: true,
secure: true,
maxAge: 24 * 60 * 60,
sameSite: "strict",
});
// insert job id into db
db.run(
"INSERT INTO jobs (user_id, job_id, date_created) VALUES (?, ?, ?)",
user.id,
jobId.value,
new Date().toISOString(),
);
return (
<BaseHtml>
<Header loggedIn />
<main class="container-fluid">
<article>
<table id="file-list" />
<input type="file" name="file" multiple />
</article>
<form method="post" action="/convert">
<input type="hidden" name="file_names" id="file_names" />
<article>
<select name="convert_to" aria-label="Convert to" required>
<option selected disabled value="">
Convert to
</option>
<option>JPG</option>
<option>PNG</option>
<option>SVG</option>
<option>PDF</option>
<option>DOCX</option>
<option>Yaml</option>
</select>
</article>
<input type="submit" value="Convert" />
</form>
</main>
<script src="script.js" defer />
</BaseHtml>
);
})
.post("/upload", async ({ body, redirect, jwt, cookie: { auth, jobId } }) => {
// validate jwt
if (!auth?.value) {
// redirect to login
return redirect("/login");
}
const user = await jwt.verify(auth.value);
if (!user) {
return redirect("/login");
}
// let filesUploaded = [];
const userUploadsDir = `${uploadsDir}${user.id}/${jobId.value}/`;
if (body?.file) {
if (Array.isArray(body.file)) {
for (const file of body.file) {
console.log(file);
await Bun.write(`${userUploadsDir}${file.name}`, file);
}
} else {
await Bun.write(`${userUploadsDir}${body.file.name}`, body.file);
}
}
return {
message: "Files uploaded successfully.",
};
})
.post("/delete", async ({ body, set, jwt, cookie: { auth, jobId } }) => {
const user = await jwt.verify(auth.value);
if (!user) {
// redirect to login
set.status = 302;
set.headers = {
Location: "/login",
};
return;
}
const userUploadsDir = `${uploadsDir}${user.id}/${jobId.value}/`;
await unlink(`${userUploadsDir}${body.filename}`);
})
.post(
"/convert",
async ({ body, set, redirect, jwt, cookie: { auth, jobId } }) => {
const user = await jwt.verify(auth.value);
if (!user) {
// redirect to login
set.status = 302;
set.headers = {
Location: "/login",
};
return;
}
if (!jobId?.value) {
return redirect("/");
}
const userUploadsDir = `${uploadsDir}${user.id}/${jobId.value}/`;
const userOutputDir = `${outputDir}${user.id}/${jobId.value}/`;
// create the output directory
try {
await mkdir(userOutputDir, { recursive: true });
} catch (error) {
console.error(
`Failed to create the output directory: ${userOutputDir}.`,
error,
);
}
const convertTo = normalizeFiletype(body.convert_to);
const fileNames = JSON.parse(body.file_names);
jobs[jobId.value] = {
fileNames: fileNames,
filesToConvert: fileNames.length,
convertedFiles: 0,
outputFiles: [],
};
for (const fileName of fileNames) {
const filePath = `${userUploadsDir}${fileName}`;
const fileTypeOrig = fileName.split(".").pop();
const fileType = normalizeFiletype(fileTypeOrig);
const newFileName = fileName.replace(fileTypeOrig, convertTo);
const targetPath = `${userOutputDir}${newFileName}`;
await mainConverter(filePath, fileType, convertTo, targetPath);
jobs[jobId.value].convertedFiles++;
jobs[jobId.value].outputFiles.push(newFileName);
}
console.log(
"sending to results page...",
`http://${app.server?.hostname}:${app.server?.port}/results/${jobId.value}`,
);
// redirect to results
set.status = 302;
set.headers = {
Location: `/results/${jobId.value}`,
};
},
)
.get("/results", async ({ params, jwt, set, redirect, cookie: { auth } }) => {
if (!auth?.value) {
return redirect("/login");
}
const user = await jwt.verify(auth.value);
if (!user) {
return redirect("/login");
}
const userJobs = await db
.query("SELECT * FROM jobs WHERE user_id = ?")
.all(user.id);
return (
<BaseHtml title="ConvertX | Results">
<Header loggedIn />
<main class="container-fluid">
<article>
<h1>Results</h1>
<ul>
{userJobs.map((job) => (
<li>
<a href={`/results/${job.job_id}`}>{job.job_id}</a>
</li>
))}
</ul>
</article>
</main>
</BaseHtml>
);
// list all jobs belonging to the user
})
.get(
"/results/:jobId",
async ({ params, jwt, set, redirect, cookie: { auth } }) => {
if (!auth?.value) {
return redirect("/login");
}
const user = await jwt.verify(auth.value);
if (!user) {
return redirect("/login");
}
const job = await db
.query("SELECT * FROM jobs WHERE user_id = ? AND job_id = ?")
.get(user.id, params.jobId);
if (!job) {
set.status = 404;
return {
message: "Job not found.",
};
}
return (
<BaseHtml>
<Header loggedIn />
<main class="container-fluid">
<article>
<h1>Results</h1>
<ul>
{jobs[params.jobId].outputFiles.map((file: string) => (
<li>
<a href={`/output/${user.id}/${params.jobId}/${file}`}>
{file}
</a>
</li>
))}
</ul>
</article>
</main>
</BaseHtml>
);
},
)
.onError(({ code, error, request }) => {
// log.error(` ${request.method} ${request.url}`, code, error);
console.error(error);
})
.listen(3000);
console.log(
`🦊 Elysia is running at http://${app.server?.hostname}:${app.server?.port}`,
);