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fileManager.js
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const defaultConfig = require('./defaultConfigtion');
const fs = require('fs-extra');
const path = require('path');
const {
log
} = require('console');
// const archiver = require('archiver');
// const unzip = require('unzip');
module.exports = function (internalClient) {
const api = {};
/**
* 初始化配置
* @return {object}
*/
api.initialize = function () {
if (defaultConfig.get('routePrefix') !== '/') {
return {
'result': {
'status': 'danger',
'message': 'noConfig'
}
}
}
const config = {
'acl': defaultConfig.get('acl'),
'leftDisk': defaultConfig.get('leftDisk'),
'leftPath': defaultConfig.get('leftPath'),
'rightDisk': defaultConfig.get('rightDisk'),
'rightPath': defaultConfig.get('rightPath'),
// 'windowsConfig': defaultConfig.get('windowsConfig'),
// 'hiddenFiles': defaultConfig.get('hiddenFiles'),
'disks': {
'public': {
public: defaultConfig.get('diskList')[0],
driver: 'public'
},
'private': {
private: defaultConfig.get('diskList')[1],
driver: 'private'
}
}
}
return {
'result': {
'status': 'success',
'message': null
},
'config': config
}
}
/**
* 获取指定磁盘下的文件夹和文件
* @param {String} disk
* @param {String} dirPath
* @returns
*/
api.content = async function (disk = "", dirPath = "") {
let acl = disk == "public" ? 1 : 2;
try {
const dir = dirPath.lastIndexOf('/') === dirPath.length - 1 ? dirPath : dirPath + '/';
const directories = [];
const file = [];
let fileObj = await internalClient.list({
prefix: dir,
delimiter: '/'
});
let author = await internalClient.getObjectTagging(dir);
if (!fileObj.objects && !fileObj.prefixes) {
return {
result: {
'status': 'success',
'message': "fileNotExist"
},
directories: [],
files: [],
author: author.tag.author
};
} else {
return this.getTimeStamp(fileObj.prefixes).then(async (timeStamp) => {
// console.log("fileObj.prefixes", fileObj.prefixes);
for (let [index, item] of Object.entries(fileObj.prefixes || [])) {
try {
let tempDir = {};
tempDir.id = index;
tempDir.basename = path.basename(item);
tempDir.dirname = item;
tempDir.path = item.replace(/\/$/g, "");
tempDir.parentId = index;
tempDir.timestamp = timeStamp[index];
tempDir.acl = acl;
tempDir.size = 0;
tempDir.type = "dir";
tempDir.props = {
hasSubdirectories: true,
subdirectoriesLoaded: false,
showSubdirectories: true
};
let auth = await internalClient.getObjectTagging(item);
tempDir.author = auth.tag.author || "";
directories.push(tempDir);
} catch (error) {
console.log(error);
}
}
// console.log("fileObj.objects", fileObj.objects);
for (let [index, item] of Object.entries(fileObj.objects || [])) {
if (item.name.lastIndexOf('/') === item.name.length - 1) {
continue;
}
let tempDir = {};
tempDir.id = index;
tempDir.basename = path.basename(item.name);
tempDir.filename = path.basename(item.name, path.extname(item.name));
tempDir.dirname = item.name;
tempDir.path = item.name;
tempDir.parentId = index;
tempDir.timestamp = new Date(item.lastModified).getTime() / 1000;
tempDir.acl = acl;
tempDir.size = item.size;
tempDir.type = "file";
tempDir.extension = path.extname(item.name).replace(/\./, "");
tempDir.props = {
hasSubdirectories: false,
subdirectoriesLoaded: true,
showSubdirectories: false
};
let auth = await internalClient.getObjectTagging(item.name);
tempDir.author = auth.tag.author || "";
file.push(tempDir);
}
return {
result: {
'status': 'success',
'message': null
},
directories: directories,
files: file,
author: author.tag.author
};
});
}
} catch (err_1) {
console.error(err_1);
}
}
/**
* 获取左侧的目录树
* @param {string} disk
* @param {string} dir
*/
api.showDirectories = async function (disk = "", dir = "") {
const directoriesList = [];
dir = dir.lastIndexOf('/') === dir.length - 1 ? dir : dir + '/';
let acl = disk == "public" ? 1 : 2;
try {
return await internalClient.list({
prefix: dir,
delimiter: '/'
}).then((obj) => {
(obj.prefixes || []).forEach((item, index) => {
let tempDir = {};
tempDir.id = index;
tempDir.basename = path.basename(item);
tempDir.dirname = item;
tempDir.path = item.replace(/\/$/g, "");
tempDir.type = "dir";
tempDir.acl = acl;
tempDir.props = {
hasSubdirectories: true,
subdirectoriesLoaded: false,
showSubdirectories: true
};
tempDir.parentId = index;
directoriesList.push(tempDir);
})
return {
result: {
'status': 'success',
'message': null
},
directories: directoriesList
};
}).catch(err => {
console.err("showDirectories1:", err);
return {
result: {
'status': 'danger',
'message': 'fileNotFound'
},
directories: []
};
})
} catch (err_1) {
console.error("showDirectories2:", err_1);
}
}
api.getTimeStamp = function (prefixes) {
const timeStamp = [];
const promiseTime = [];
(prefixes || []).forEach((item, index) => {
promiseTime.push(internalClient.head(item).catch(e => e));
});
return Promise.all(promiseTime).then((res) => {
res.forEach((item, index) => {
if (item.code === 'NoSuchKey') {
timeStamp.push(0);
return;
}
timeStamp.push(new Date(item.res.headers['last-modified']).getTime() / 1000);
})
return timeStamp;
})
}
/**
* 创建oss目录
* @param {string} dir
*/
api.createOssDirectory = function (disk = "", dir = "", author = "") {
return new Promise((resolve) => {
internalClient.get(dir).then((result) => {
if (result.res.status == 200) {
return 'exist';
}
}).catch((e) => {
// 目录不存在则创建目录
if (e.code == 'NoSuchKey') {
resolve(internalClient.put(dir, Buffer.from(''), {
headers: {
'x-oss-tagging': `author=${author}`,
}
}).then((result) => {
if (result.res.status == 200) {
return internalClient.get(dir)
}
}).then((info) => {
return Promise.resolve({
time: new Date(info.res.headers['last-modified']).getTime(),
size: info.res.size
})
}).then(result => {
let acl = disk == "public" ? 1 : 2;
const tempDir = {};
tempDir.path = dir.replace(/\/$/g, "");
tempDir.timestamp = result.time / 1000;
tempDir.size = result.size;
tempDir.basename = path.basename(dir);
tempDir.type = "dir";
tempDir.acl = acl;
tempDir.author = author;
tempDir.props = {
hasSubdirectories: true,
subdirectoriesLoaded: false,
showSubdirectories: true
};
return tempDir;
}).catch(e => {
return 'createErr'
}));
}
})
}).catch(e => e);
}
api.createOssFile = function (disk = "", dir = "", author = "") {
return new Promise((resolve) => {
internalClient.get(dir).then((result) => {
if (result.res.status == 200) {
return 'exist';
}
}).catch((e) => {
// 文件不存在则创建文件
if (e.code == 'NoSuchKey') {
resolve(internalClient.put(dir, Buffer.from(''), {
headers: {
'x-oss-tagging': `author=${author}`,
}
}).then((result) => {
if (result.res.status == 200) {
return internalClient.get(dir)
}
}).then((info) => {
return Promise.resolve({
time: new Date(info.res.headers['last-modified']).getTime(),
size: info.res.size
})
}).then(result => {
const tempDir = {};
let acl = disk == "public" ? 1 : 2;
tempDir.path = dir;
tempDir.timestamp = result.time / 1000;
tempDir.size = result.size;
tempDir.basename = path.basename(dir);
tempDir.filename = path.basename(dir, path.extname(dir));
tempDir.dirname = dir;
tempDir.type = "file";
tempDir.acl = acl;
tempDir.author = author;
tempDir.extension = path.extname(path.basename(dir)).replace(/\./, "");
tempDir.props = {
hasSubdirectories: false,
subdirectoriesLoaded: true,
showSubdirectories: false
};
return tempDir;
}).catch(e => {
return 'createErr'
}));
}
})
})
}
/**
* 更新oss文件属性
* @param {string} dir
*/
api.updateOssFileProperty = function (disk = '', dir = '', author = '') {
return internalClient.get(dir).then((info) => {
return Promise.resolve({
time: new Date(info.res.headers['last-modified']).getTime(),
size: info.res.size
}).then(result => {
let acl = disk == "public" ? 1 : 2;
const tempDir = {};
tempDir.path = dir;
tempDir.dirname = dir;
tempDir.basename = path.basename(dir);
tempDir.filename = path.basename(dir, path.extname(dir));
tempDir.timestamp = result.time / 1000;
tempDir.size = result.size;
tempDir.type = "file";
tempDir.acl = acl;
tempDir.extension = path.extname(path.basename(dir)).replace(/\./, "");
tempDir.props = {
hasSubdirectories: false,
subdirectoriesLoaded: true,
showSubdirectories: false
};
tempDir.author = author;
return tempDir;
}).catch(e => {
console.error(e);
})
}).catch(e => e);
}
/**
* 更新文件
* @param {string} dirname
* @param {ArrayBuffer} content
*/
api.updateFile = async function (dirname, content) {
return await new Promise((resolve, reject) => {
let ws = fs.createWriteStream(dirname, {
flags: 'w+',
encoding: 'blob',
fd: null,
mode: 0666,
autoClose: true
})
ws.on('error', (err) => {
reject(err);
});
ws.on('finish', () => {
resolve(true);
});
ws.write(content);
ws.end();
}).catch(e => e)
}
api.deleteOssAllFile = function (data) {
return new Promise((resolve) => {
if (data.items.length) {
let fileArr = [],
directories = [];
for (let dir of data.items) {
if (dir.type === 'dir') {
directories.unshift(dir.path);
} else {
fileArr.unshift(dir.path);
}
}
this.getAllFilePath(directories, fileArr).then((arr) => {
if (arr === 'NoSuchKey') {
return resolve(false);
}
arr.forEach((item, index) => {
(async () => {
try {
await internalClient.delete(item);
} catch (error) {
return resolve(false);
}
})();
if (index === fileArr.length - 1) {
return resolve(true);
}
});
});
}
}).catch(e => false);
}
/**
* 递归遍历一个文件夹下所有要删除的文件
* @param {*} directories
* @param {*} fileArr
* @returns
*/
api.getAllFilePath = async function (directories, fileArr, copyClient) {
copyInternalClient = copyClient ? copyClient : internalClient;
return await new Promise((resolve) => {
(function getPath() {
let popPath = "";
if (directories.length) {
popPath = directories.pop();
popPath = popPath.lastIndexOf('/') === popPath.length - 1 ? popPath : popPath + '/';
fileArr.unshift(popPath);
} else {
return resolve(fileArr);
}
copyInternalClient.get(popPath).then((result) => {
if (result.res.status == 200) {
copyInternalClient.list({
prefix: popPath,
delimiter: '/'
}).then((result) => {
(result.objects || []).forEach((item) => {
if (item.name.lastIndexOf('/') === item.name.length - 1) {
return;
}
fileArr.unshift(item.name);
})
directories.unshift(...(result.prefixes || []));
return getPath(directories, fileArr);
})
}
}).catch((e) => {
if (e.code == 'NoSuchKey') {
return resolve('NoSuchKey');
}
})
})();
}).catch(e => e)
}
api.copyOssFolder = async function (destDir, sourceDir, author = "", fromOrign = "", copyClient) {
console.log("destDir:", destDir, "sourceDir:", sourceDir,
"fromOrign:", fromOrign);
try {
let result = await internalClient.put(destDir, Buffer.from(''), {
headers: {
'x-oss-tagging': `author=${author}`,
}
}); //创建文件
let copyInternalClient = null;
if (result.res.status === 200) {
copyInternalClient = fromOrign ? copyClient : internalClient;
console.log("copyClient", copyInternalClient.options.bucket);
let fileObj = await copyInternalClient.list({
prefix: sourceDir,
delimiter: '/' //用于获取文件的公共前缀。
});
// console.log("fileObj.objects", fileObj.objects, "fileObj.prefixes", fileObj.prefixes);
if (!fileObj.objects && !fileObj.prefixes) {
return 'end';
}
(fileObj.objects || []).forEach(item => {
if (item.name.lastIndexOf('/') === item.name.length - 1) {
return;
}
let dirPath = `${destDir}${path.basename(item.name)}`;
internalClient.copy(dirPath, fromOrign + item.name, {
headers: {
'x-oss-tagging': `author=${author}`,
// 指定如何设置目标Object的对象标签。取值为Copy或Replace。其中Copy为默认值，表示复制源Object的对象标签到目标Object。Replace表示忽略源Object的对象标签，直接采用请求中指定的对象标签。
'x-oss-tagging-directive': 'Replace'
}
}).catch(error => {
return 'err';
});
});
(fileObj.prefixes || []).forEach((item, index) => {
let dirPath = `${destDir}${path.basename(item)}/`;
(async () => {
try {
await this.copyOssFolder(dirPath, item, author, fromOrign, copyClient);
if (fileObj.prefixes.length - 1 === index) {
return 'end';
}
} catch (error) {
return 'err';
}
})();
});
}
} catch (e) {
console.log(e);
return 'err';
}
}
/**
* 返回选择的盘符
*/
api.drive = function (disk) {
return defaultConfig.get('diskList')[0];
}
return api;
}