ali-flmngr-server-fixed
Version:
> Node.js Backend for Flmngr file manager
95 lines • 4.42 kB
JavaScript
;
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } });
}) : (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k in mod) if (k !== "default" && Object.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
__setModuleDefault(result, mod);
return result;
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.URLDownloader = exports.DownloadedURL = void 0;
const MessageException_1 = require("../MessageException");
const Message_1 = require("../action/resp/Message");
const fs = __importStar(require("fs"));
const Utils_1 = require("../file/Utils");
const request = require("request");
class DownloadedURL {
constructor() {
this.fileName = '';
this.contentType = '';
this.contentLength = -1;
}
}
exports.DownloadedURL = DownloadedURL;
class URLDownloader {
static download(url, dir, onFinish) {
let options = {
"url": url,
"headers": {
'User-Agent': "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.11 (KHTML, like Gecko) Chrome/23.0.1271.95 Safari/537.11"
},
"encoding": 'binary'
};
request(options, (error, response, body) => {
try {
if (response.statusCode === 200) {
let disposition = response.headers["content-disposition"];
let result = new DownloadedURL();
result.contentType = response.headers["content-type"];
result.contentLength = parseInt(response.headers["content-length"]);
let fileName = '';
if (disposition) {
// extracts file name from header field
let index = disposition.indexOf("filename=");
if (index > 0) {
fileName = disposition.substring(index + 10, disposition.length - 1);
}
}
if (fileName.trim().length === 0) {
// extracts file name from URL
fileName = url.substring(url.lastIndexOf("/") + 1, url.length);
let index = fileName.indexOf("?");
if (index > -1)
fileName = fileName.substring(0, index);
}
if (fileName.trim().length === 0)
fileName = "url";
fileName = Utils_1.Utils.fixFileName(fileName);
fileName = Utils_1.Utils.getFreeFileName(dir, fileName, false);
// opens input stream from the HTTP connection
let saveFilePath = dir + "/" + fileName;
try {
fs.writeFileSync(saveFilePath, body, { "encoding": 'binary' });
}
catch (e) {
onFinish(new MessageException_1.MessageException(Message_1.Message.createMessage(Message_1.Message.WRITING_FILE_ERROR, fileName)));
return;
}
result.fileName = fileName;
onFinish(result);
}
else {
onFinish(new MessageException_1.MessageException(Message_1.Message.createMessage(Message_1.Message.DOWNLOAD_FAIL_CODE, response.statusCode.toString())));
}
}
catch (e) {
console.log(e);
onFinish(new MessageException_1.MessageException(Message_1.Message.createMessage(Message_1.Message.INTERNAL_ERROR)));
}
});
}
}
exports.URLDownloader = URLDownloader;
//# sourceMappingURL=URLDownloader.js.map