CustomWeb/js/webdav.js

91 lines
2.6 KiB
JavaScript

let WebDAV = {};
WebDAV.normAddress = function(path){
return settings.webdavAddress.replace(/\/$/, "");
}
WebDAV.makePath = function(path){
if(typeof(path) !== "string")
path = path.join("/");
return [ WebDAV.normAddress(), path ].join("/");
}
WebDAV.req = function(path, type, opts){
path = WebDAV.makePath(path);
opts = opts ?? {};
opts.method = type;
opts.headers = {
Authorization: "Basic " + btoa(`${settings.webdavUsername}:${settings.webdavPassword}`),
};
return fetch(path, opts);
}
WebDAV.mkcol = async (path, opts) => WebDAV.req(path, "MKCOL", opts);
WebDAV.get = async (path, opts) => WebDAV.req(path, "GET", opts);
WebDAV.put = async (path, body, opts) => {
opts = opts ?? {};
opts.body = body;
return WebDAV.req(path, "PUT", opts);
}
WebDAV.propfind = async (path, opts) => {
let res = await WebDAV.req(path, "PROPFIND", opts);
let xmlText = await res.text();
let parser = new DOMParser();
let xmlDoc = parser.parseFromString(xmlText, "text/xml");
let responses = xmlDoc.getElementsByTagName("D:response");
let items = Array.from(responses).map(response => {
let href = response.getElementsByTagName("D:href")[0].textContent;
let propstat = response.getElementsByTagName("D:propstat")[0];
let lastModified = propstat.getElementsByTagName("D:lastmodified")[0].textContent;
return { href, lastModified };
});
return items;
}
WebDAV.listAllFiles = async function(){
let files = [];
for(file of await WebDAV.propfind([])){
if(!file.href.endsWith(".json"))
continue;
let id = file.href.split("/").pop().replace(/\.json$/, "")
let lastModified = parseInt(file.lastModified);
files.push({ id, lastModified });
}
return files;
}
WebDAV.loadFile = async function(id){
let info = await (await WebDAV.get(`${id}.json`)).json();
let file = File(info.id);
file.changeInfo(info);
file.save();
}
WebDAV.loadAllFiles = async function(){
for({ id, lastModified } of await WebDAV.listAllFiles()){
try {
let file = await File.load(id);
console.log(file.info, lastModified)
if(file.info.lastModified && file.info.lastModified >= lastModified){
console.log("Skipping newer file", id)
continue;
}
console.log("Pulling outdated file", id)
} catch(exc){
console.log("Pulling unknown file", id)
}
await WebDAV.loadFile(id);
}
}
WebDAV.putFile = async function(info){
WebDAV.put(`${info.id}.json`, JSON.stringify(info));
}
WebDAV.putAllFiles = async function(){
for(file of await File.loadAll())
await WebDAV.putFile(file.info);
}
WebDAV.init = async function(){
if(!settings.webdavAddress)
return;
await WebDAV.mkcol([]);
}