File size: 3,746 Bytes
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const { writeFileSync, copyFileSync, existsSync, mkdirSync, createWriteStream, constants } = require("fs");
const { join: pathJoin, extname, basename } = require("path");
const { v4 } = require("uuid");
const { domain, fetchOptions, additionalBookLocation } = require("./common");
const fetch = require("node-fetch");
module.exports = function (args, socket) {
if (args.length < 1) {
socket.write("ERR: No download link\n");
return;
}
const xochitlFolder = "/home/root/.local/share/remarkable/xochitl/";
const downloadURL = domain + args[0];
console.log(downloadURL);
fetch(downloadURL, fetchOptions).then((response) => {
console.log("Redirected to:", response.url);
let fileName;
let fileExt;
const disposition = response.headers.get('content-disposition');
if (disposition) {
const nameMatch = disposition.match(/filename="(.+)"/);
if (nameMatch) {
let name = nameMatch[1].replace(" (z-lib.org)", "");
// Convert multi-byte chars to their true representation
name = Buffer.from(name, "binary").toString("utf8");
fileExt = extname(name);
fileName = basename(name, fileExt);
console.log(fileName, fileExt);
}
}
if (!fileName || !fileExt) {
socket.write("ERR: 2 No file\n");
return;
}
const fileLength = parseInt(response.headers.get('content-length'));
const uuid = v4();
const tempFilePath = "/tmp/" + uuid;
console.log(tempFilePath, fileLength);
const fileStream = createWriteStream(tempFilePath);
response.body.on("data", (chunk) => {
fileStream.write(chunk, () => {
socket.write("PROG:" + Math.floor(fileStream.bytesWritten / fileLength * 95).toString() + "\n");
if (fileStream.bytesWritten == fileLength) {
fileStream.close();
}
});
});
response.body.on("error", (error) => {
socket.write("ERR: 2 " + error + "\n");
socket.end();
});
fileStream.on('close', () => {
socket.write("DOWNLOAD DONE\n");
if (fileExt == ".epub" || fileExt == ".pdf") {
writeFileSync(xochitlFolder + uuid + ".metadata", JSON.stringify({
"deleted": false,
"lastModified": "1",
"lastOpenedPage": 0,
"metadatamodified": false,
"modified": false,
"parent": "",
"pinned": false,
"synced": false,
"type": "DocumentType",
"version": 1,
"visibleName": fileName
}));
copyFileSync(tempFilePath, pathJoin(xochitlFolder, uuid + fileExt), constants.COPYFILE_FICLONE);
socket.write("COPIED XOCHITL\n");
}
if (additionalBookLocation) {
if (!existsSync(additionalBookLocation)) {
mkdirSync(additionalBookLocation, { recursive: true });
}
copyFileSync(tempFilePath, pathJoin(additionalBookLocation, fileName + fileExt), constants.COPYFILE_FICLONE);
socket.write("COPIED LOCAL\n");
}
socket.write("PROG:100\n");
socket.end();
});
})
.catch(err => {
socket.write("ERR: 1 " + err + "\n");
socket.end();
});
}
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