103 lines
2.5 KiB
JavaScript
103 lines
2.5 KiB
JavaScript
import fs from "fs";
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const C = {
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info: msg => console.log("\x1b[36m[i]\x1b[0m " + msg),
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ok: msg => console.log("\x1b[32m[✓]\x1b[0m " + msg),
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warn: msg => console.log("\x1b[33m[!]\x1b[0m " + msg),
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err: msg => console.log("\x1b[31m[✗]\x1b[0m " + msg),
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};
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const base = "https://sendgb.com/";
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const url = process.argv[2];
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if (!url || !url.startsWith(base)) {
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C.err("Usage: node sendgb.js <sendgb-url>");
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process.exit(1);
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}
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C.info(`Fetching page: ${url}`);
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const page = await fetch(url);
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const html = await page.text();
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const sendgb_session = page.headers
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.getSetCookie()
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.find(c => c.startsWith("sendgb_ses="))
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?.split(";")[0]
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.split("=")
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.at(-1);
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if (!sendgb_session) {
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C.err("Failed to extract sendgb session cookie");
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process.exit(1);
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}
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const get = (re) => [...html.matchAll(re)][0]?.[1];
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const link = get(/<form id="downloadItems" action="([^"]*)"/gm);
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const secret = get(/name="secret_code"[^>]*value="([^"]*)"/gm);
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const total_files = get(/name="total_files"[^>]*value="(\d+)"/gm);
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if (!link || !secret || !total_files) {
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C.err("Failed to parse download form");
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process.exit(1);
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}
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C.info(`Files: ${total_files}`);
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C.info("Requesting ZIP…");
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const res = await fetch(link, {
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method: "POST",
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body: new URLSearchParams({
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action: "download",
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secret_code: secret,
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private_id: "",
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download_id: url.replace(base, ""),
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total_files
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}),
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headers: {
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"User-Agent": "Mozilla/5.0"
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}
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});
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if (!res.ok || !res.body) {
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C.err(`Download failed (${res.status})`);
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process.exit(1);
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}
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C.info("Content-type: " + res.headers.get("content-type"))
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const filename =
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res.headers.get("content-disposition")?.match(/filename="?([^"]+)"?/)?.[1]
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?? "download.zip";
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C.info(`Downloading ${filename}`);
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const file = fs.createWriteStream(filename);
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const reader = res.body.getReader();
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let downloaded = 0;
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const total = Number(res.headers.get("content-length")) || 0;
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const start = Date.now();
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while (true) {
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const { done, value } = await reader.read();
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if (done) break;
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file.write(value);
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downloaded += value.length;
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if (total) {
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const pct = ((downloaded / total) * 100).toFixed(1);
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const mb = (downloaded / 1024 / 1024).toFixed(2);
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const tmb = (total / 1024 / 1024).toFixed(2);
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process.stdout.write(`\r${pct}% ${mb}/${tmb} MB`);
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} else {
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const mb = (downloaded / 1024 / 1024).toFixed(2);
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process.stdout.write(`\r${mb} MB`);
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}
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}
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file.end();
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process.stdout.write("\n");
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C.ok(`Saved as ${filename} in ${((Date.now() - start) / 1000).toFixed(1)}s`);
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