628 строки
20 KiB
JavaScript
628 строки
20 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, you can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
const PREFIX_BINDINGS = {
|
|
c: "urn:ietf:params:xml:ns:caldav",
|
|
// eslint-disable-next-line @microsoft/sdl/no-insecure-url
|
|
cs: "http://calendarserver.org/ns/",
|
|
d: "DAV:",
|
|
// eslint-disable-next-line @microsoft/sdl/no-insecure-url
|
|
i: "http://apple.com/ns/ical/",
|
|
};
|
|
const NAMESPACE_STRING = Object.entries(PREFIX_BINDINGS)
|
|
.map(([prefix, url]) => `xmlns:${prefix}="${url}"`)
|
|
.join(" ");
|
|
|
|
import { Assert } from "resource://testing-common/Assert.sys.mjs";
|
|
import { CommonUtils } from "resource://services-common/utils.sys.mjs";
|
|
import { HttpServer } from "resource://testing-common/httpd.sys.mjs";
|
|
|
|
const logger = console.createInstance({
|
|
prefix: "CalDAVServer",
|
|
maxLogLevel: "Log",
|
|
});
|
|
|
|
// The response bodies Google sends if you exceed its rate limit.
|
|
const MULTIGET_RATELIMIT_ERROR = `<?xml version="1.0" encoding="UTF-8"?>
|
|
<D:error xmlns:D="DAV:"/>
|
|
`;
|
|
const PROPFIND_RATELIMIT_ERROR = `<?xml version="1.0" encoding="UTF-8"?>
|
|
<errors xmlns="http://schemas.google.com/g/2005">
|
|
<error>
|
|
<domain>GData</domain>
|
|
<code>rateLimitExceeded</code>
|
|
<internalReason>Some text we're not looking at anyway</internalReason>
|
|
</error>
|
|
</errors>
|
|
`;
|
|
|
|
export var CalDAVServer = {
|
|
items: new Map(),
|
|
deletedItems: new Map(),
|
|
changeCount: 0,
|
|
server: null,
|
|
isOpen: false,
|
|
|
|
/**
|
|
* The "current-user-privilege-set" in responses. Set to null to have no privilege set.
|
|
*/
|
|
privileges: "<d:privilege><d:all/></d:privilege>",
|
|
|
|
open(username, password) {
|
|
this.server = new HttpServer();
|
|
this.server.start(-1);
|
|
this.isOpen = true;
|
|
|
|
this.username = username;
|
|
this.password = password;
|
|
this.server.registerPathHandler("/ping", this.ping);
|
|
|
|
this.reset();
|
|
},
|
|
|
|
reset() {
|
|
this.items.clear();
|
|
this.deletedItems.clear();
|
|
this.changeCount = 0;
|
|
this.privileges = "<d:privilege><d:all/></d:privilege>";
|
|
this.resetHandlers();
|
|
},
|
|
|
|
resetHandlers() {
|
|
this.server.registerPathHandler("/.well-known/caldav", this.wellKnown.bind(this));
|
|
this.server.registerPathHandler("/principals/", this.principals.bind(this));
|
|
this.server.registerPathHandler("/principals/me/", this.myPrincipal.bind(this));
|
|
this.server.registerPathHandler("/calendars/me/", this.myCalendars.bind(this));
|
|
|
|
this.server.registerPathHandler(this.path, this.directoryHandler.bind(this));
|
|
this.server.registerPrefixHandler(this.path, this.itemHandler.bind(this));
|
|
},
|
|
|
|
close() {
|
|
if (!this.isOpen) {
|
|
return Promise.resolve();
|
|
}
|
|
return new Promise(resolve =>
|
|
this.server.stop({
|
|
onStopped: () => {
|
|
this.isOpen = false;
|
|
resolve();
|
|
},
|
|
})
|
|
);
|
|
},
|
|
|
|
get origin() {
|
|
return `http://localhost:${this.server.identity.primaryPort}`;
|
|
},
|
|
|
|
get path() {
|
|
return "/calendars/me/test/";
|
|
},
|
|
|
|
get url() {
|
|
return `${this.origin}${this.path}`;
|
|
},
|
|
|
|
get altPath() {
|
|
return "/addressbooks/me/default/";
|
|
},
|
|
|
|
get altURL() {
|
|
return `${this.origin}${this.altPath}`;
|
|
},
|
|
|
|
checkAuth(request, response) {
|
|
if (!this.username || !this.password) {
|
|
return true;
|
|
}
|
|
if (!request.hasHeader("Authorization")) {
|
|
response.setStatusLine("1.1", 401, "Unauthorized");
|
|
response.setHeader("WWW-Authenticate", `Basic realm="test"`);
|
|
return false;
|
|
}
|
|
|
|
const value = request.getHeader("Authorization");
|
|
if (!value.startsWith("Basic ")) {
|
|
response.setStatusLine("1.1", 401, "Unauthorized");
|
|
response.setHeader("WWW-Authenticate", `Basic realm="test"`);
|
|
return false;
|
|
}
|
|
|
|
const [username, password] = atob(value.substring(6)).split(":");
|
|
if (username != this.username || password != this.password) {
|
|
response.setStatusLine("1.1", 401, "Unauthorized");
|
|
response.setHeader("WWW-Authenticate", `Basic realm="test"`);
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
},
|
|
|
|
ping(request, response) {
|
|
response.setStatusLine("1.1", 200, "OK");
|
|
response.setHeader("Content-Type", "text/plain");
|
|
response.write("pong");
|
|
},
|
|
|
|
wellKnown(request, response) {
|
|
response.setStatusLine("1.1", 301, "Moved Permanently");
|
|
response.setHeader("Location", "/principals/");
|
|
},
|
|
|
|
principals(request, response) {
|
|
if (!this.checkAuth(request, response)) {
|
|
return;
|
|
}
|
|
|
|
const input = new DOMParser().parseFromString(
|
|
CommonUtils.readBytesFromInputStream(request.bodyInputStream),
|
|
"text/xml"
|
|
);
|
|
|
|
const propNames = this._inputProps(input);
|
|
const propValues = {
|
|
"d:current-user-principal": "<href>/principals/me/</href>",
|
|
};
|
|
|
|
response.setStatusLine("1.1", 207, "Multi-Status");
|
|
response.setHeader("Content-Type", "text/xml");
|
|
response.write(
|
|
`<multistatus xmlns="${PREFIX_BINDINGS.d}" ${NAMESPACE_STRING}>
|
|
<response>
|
|
<href>/principals/</href>
|
|
${this._outputProps(propNames, propValues)}
|
|
</response>
|
|
</multistatus>`.replace(/>\s+</g, "><")
|
|
);
|
|
},
|
|
|
|
myPrincipal(request, response) {
|
|
if (!this.checkAuth(request, response)) {
|
|
return;
|
|
}
|
|
|
|
const input = new DOMParser().parseFromString(
|
|
CommonUtils.readBytesFromInputStream(request.bodyInputStream),
|
|
"text/xml"
|
|
);
|
|
|
|
const propNames = this._inputProps(input);
|
|
const propValues = {
|
|
"d:resourcetype": "<principal/>",
|
|
"c:calendar-home-set": "<d:href>/calendars/me/</d:href>",
|
|
"c:calendar-user-address-set": `<d:href preferred="1">mailto:me@invalid</d:href>`,
|
|
"c:schedule-inbox-URL": "<d:href>/calendars/me/inbox/</d:href>",
|
|
"c:schedule-outbox-URL": "<d:href>/calendars/me/inbox/</d:href>",
|
|
};
|
|
|
|
response.setStatusLine("1.1", 207, "Multi-Status");
|
|
response.setHeader("Content-Type", "text/xml");
|
|
response.write(
|
|
`<multistatus xmlns="${PREFIX_BINDINGS.d}" ${NAMESPACE_STRING}>
|
|
<response>
|
|
<href>/principals/me/</href>
|
|
${this._outputProps(propNames, propValues)}
|
|
</response>
|
|
</multistatus>`.replace(/>\s+</g, "><")
|
|
);
|
|
},
|
|
|
|
myCalendars(request, response) {
|
|
if (!this.checkAuth(request, response)) {
|
|
return;
|
|
}
|
|
|
|
if (request.method == "OPTIONS") {
|
|
response.setStatusLine("1.1", 200, "OK");
|
|
response.setHeader("DAV", "1,2,3, calendar-access, calendar-schedule");
|
|
return;
|
|
}
|
|
|
|
const input = new DOMParser().parseFromString(
|
|
CommonUtils.readBytesFromInputStream(request.bodyInputStream),
|
|
"text/xml"
|
|
);
|
|
|
|
const propNames = this._inputProps(input);
|
|
const propValues = {
|
|
"d:resourcetype": "<collection/><c:calendar/>",
|
|
"d:displayname": "CalDAV Test",
|
|
"i:calendar-color": "#ff8000",
|
|
"d:current-user-privilege-set": this.privileges,
|
|
};
|
|
|
|
response.setStatusLine("1.1", 207, "Multi-Status");
|
|
response.setHeader("Content-Type", "text/xml");
|
|
response.write(
|
|
`<multistatus xmlns="${PREFIX_BINDINGS.d}" ${NAMESPACE_STRING}>
|
|
<response>
|
|
<href>/addressbooks/me/</href>
|
|
${this._outputProps(propNames, {
|
|
"d:resourcetype": "<collection/>",
|
|
"d:displayname": "#calendars",
|
|
})}
|
|
</response>
|
|
<response>
|
|
<href>${this.path}</href>
|
|
${this._outputProps(propNames, propValues)}
|
|
</response>
|
|
</multistatus>`.replace(/>\s+</g, "><")
|
|
);
|
|
},
|
|
|
|
/** Handle any requests to the calendar itself. */
|
|
|
|
directoryHandler(request, response) {
|
|
if (!this.checkAuth(request, response)) {
|
|
return;
|
|
}
|
|
|
|
if (request.method == "OPTIONS") {
|
|
response.setStatusLine("1.1", 204, "No Content");
|
|
return;
|
|
}
|
|
|
|
let input = CommonUtils.readBytesFromInputStream(request.bodyInputStream);
|
|
logger.log("C: " + input);
|
|
input = new DOMParser().parseFromString(input, "text/xml");
|
|
|
|
switch (input.documentElement.localName) {
|
|
case "calendar-query":
|
|
Assert.equal(request.method, "REPORT");
|
|
Assert.equal(input.documentElement.namespaceURI, PREFIX_BINDINGS.c);
|
|
this.calendarQuery(input, response);
|
|
return;
|
|
case "calendar-multiget":
|
|
Assert.equal(request.method, "REPORT");
|
|
Assert.equal(input.documentElement.namespaceURI, PREFIX_BINDINGS.c);
|
|
this.calendarMultiGet(input, response);
|
|
return;
|
|
case "propfind":
|
|
Assert.equal(request.method, "PROPFIND");
|
|
Assert.equal(input.documentElement.namespaceURI, PREFIX_BINDINGS.d);
|
|
this.propFind(input, request.hasHeader("Depth") ? request.getHeader("Depth") : 0, response);
|
|
return;
|
|
case "sync-collection":
|
|
Assert.equal(request.method, "REPORT");
|
|
Assert.equal(input.documentElement.namespaceURI, PREFIX_BINDINGS.d);
|
|
this.syncCollection(input, response);
|
|
return;
|
|
}
|
|
|
|
Assert.report(true, undefined, undefined, "Should not have reached here");
|
|
response.setStatusLine("1.1", 404, "Not Found");
|
|
response.setHeader("Content-Type", "text/plain");
|
|
response.write(`No handler found for <${input.documentElement.localName}>`);
|
|
},
|
|
|
|
calendarQuery(input, response) {
|
|
const propNames = this._inputProps(input);
|
|
let output = `<multistatus xmlns="${PREFIX_BINDINGS.d}" ${NAMESPACE_STRING}>`;
|
|
for (const [href, item] of this.items) {
|
|
output += this._itemResponse(href, item, propNames);
|
|
}
|
|
output += `</multistatus>`;
|
|
|
|
response.setStatusLine("1.1", 207, "Multi-Status");
|
|
response.setHeader("Content-Type", "text/xml");
|
|
response.write(output.replace(/>\s+</g, "><"));
|
|
logger.log("S: " + output.replace(/>\s+</g, "><"));
|
|
},
|
|
|
|
async calendarMultiGet(input, response) {
|
|
const propNames = this._inputProps(input);
|
|
let output = `<multistatus xmlns="${PREFIX_BINDINGS.d}" ${NAMESPACE_STRING}>`;
|
|
for (let href of input.querySelectorAll("href")) {
|
|
href = href.textContent;
|
|
const item = this.items.get(href);
|
|
if (item) {
|
|
output += this._itemResponse(href, item, propNames);
|
|
}
|
|
}
|
|
output += `</multistatus>`;
|
|
|
|
response.setStatusLine("1.1", 207, "Multi-Status");
|
|
response.setHeader("Content-Type", "text/xml");
|
|
response.write(output.replace(/>\s+</g, "><"));
|
|
logger.log("S: " + output.replace(/>\s+</g, "><"));
|
|
},
|
|
|
|
propFind(input, depth, response) {
|
|
if (this.throwRateLimitErrors) {
|
|
response.setStatusLine("1.1", 403, "Forbidden");
|
|
response.setHeader("Content-Type", "text/xml");
|
|
response.write(PROPFIND_RATELIMIT_ERROR);
|
|
logger.log("S: " + PROPFIND_RATELIMIT_ERROR);
|
|
return;
|
|
}
|
|
|
|
const propNames = this._inputProps(input);
|
|
const propValues = {
|
|
"d:resourcetype": "<d:collection/><c:calendar/>",
|
|
"d:owner": "/principals/me/",
|
|
"d:current-user-principal": "<href>/principals/me/</href>",
|
|
"d:current-user-privilege-set": this.privileges,
|
|
"d:supported-report-set":
|
|
"<d:supported-report><d:report><c:calendar-multiget/></d:report></d:supported-report>" +
|
|
"<d:supported-report><d:report><sync-collection/></d:report></d:supported-report>",
|
|
"c:supported-calendar-component-set": "",
|
|
"d:getcontenttype": "text/calendar; charset=utf-8",
|
|
"c:calendar-home-set": `<d:href>/calendars/me/</d:href>`,
|
|
"c:calendar-user-address-set": `<d:href preferred="1">mailto:me@invalid</d:href>`,
|
|
"c:schedule-inbox-url": `<d:href>/calendars/me/inbox/</d:href>`,
|
|
"c:schedule-outbox-url": `<d:href>/calendars/me/outbox/</d:href>`,
|
|
"cs:getctag": this.changeCount,
|
|
"d:getetag": this.changeCount,
|
|
};
|
|
|
|
let output = `<multistatus xmlns="${PREFIX_BINDINGS.d}" ${NAMESPACE_STRING}>
|
|
<response>
|
|
<href>${this.path}</href>
|
|
${this._outputProps(propNames, propValues)}
|
|
</response>`;
|
|
if (depth == 1) {
|
|
for (const [href, item] of this.items) {
|
|
output += this._itemResponse(href, item, propNames);
|
|
}
|
|
}
|
|
output += `</multistatus>`;
|
|
|
|
response.setStatusLine("1.1", 207, "Multi-Status");
|
|
response.setHeader("Content-Type", "text/xml");
|
|
response.write(output.replace(/>\s+</g, "><"));
|
|
logger.log("S: " + output.replace(/>\s+</g, "><"));
|
|
},
|
|
|
|
syncCollection(input, response) {
|
|
if (this.throwRateLimitErrors) {
|
|
response.setStatusLine("1.1", 403, "Forbidden");
|
|
response.setHeader("Content-Type", "text/xml");
|
|
response.write(MULTIGET_RATELIMIT_ERROR);
|
|
logger.log("S: " + MULTIGET_RATELIMIT_ERROR);
|
|
return;
|
|
}
|
|
|
|
// The maximum number of responses to make at any one request.
|
|
const pageSize = 3;
|
|
// The last-seen token. Changes before this won't be returned.
|
|
let token = 0;
|
|
// Which page of responses to return.
|
|
let page = 0;
|
|
|
|
const tokenStr = input.querySelector("sync-token")?.textContent.replace(/.*\//g, "");
|
|
if (tokenStr?.includes("#")) {
|
|
[token, page] = tokenStr.split("#");
|
|
token = parseInt(token, 10);
|
|
page = parseInt(page, 10);
|
|
} else if (tokenStr) {
|
|
token = parseInt(tokenStr, 10);
|
|
}
|
|
|
|
const nextPage = page + 1;
|
|
|
|
// Collect all responses, even if we know some won't be returned.
|
|
// This is a test, who cares about performance?
|
|
const propNames = this._inputProps(input);
|
|
const responses = [];
|
|
for (const [href, item] of this.items) {
|
|
if (item.changed > token) {
|
|
responses.push(this._itemResponse(href, item, propNames));
|
|
}
|
|
}
|
|
for (const [href, deleted] of this.deletedItems) {
|
|
if (deleted > token) {
|
|
responses.push(`<response>
|
|
<status>HTTP/1.1 404 Not Found</status>
|
|
<href>${href}</href>
|
|
<propstat>
|
|
<prop/>
|
|
<status>HTTP/1.1 418 I'm a teapot</status>
|
|
</propstat>
|
|
</response>`);
|
|
}
|
|
}
|
|
|
|
let output = `<multistatus xmlns="${PREFIX_BINDINGS.d}" ${NAMESPACE_STRING}>`;
|
|
// Use only the responses that match those requested.
|
|
output += responses.slice(page * pageSize, nextPage * pageSize).join("");
|
|
if (responses.length > nextPage * pageSize) {
|
|
output += `<response>
|
|
<status>HTTP/1.1 507 Insufficient Storage</status>
|
|
<href>${this.path}</href>
|
|
</response>`;
|
|
output += `<sync-token>http://mochi.test/sync/${token}#${nextPage}</sync-token>`;
|
|
} else {
|
|
output += `<sync-token>http://mochi.test/sync/${this.changeCount}</sync-token>`;
|
|
}
|
|
output += `</multistatus>`;
|
|
|
|
response.setStatusLine("1.1", 207, "Multi-Status");
|
|
response.setHeader("Content-Type", "text/xml");
|
|
response.write(output.replace(/>\s+</g, "><"));
|
|
logger.log("S: " + output.replace(/>\s+</g, "><"));
|
|
},
|
|
|
|
_itemResponse(href, item, propNames) {
|
|
const propValues = {
|
|
"c:calendar-data": item.ics,
|
|
"d:getetag": item.etag,
|
|
"d:getcontenttype": "text/calendar; charset=utf-8; component=VEVENT",
|
|
};
|
|
|
|
const outString = `<response>
|
|
<href>${href}</href>
|
|
${this._outputProps(propNames, propValues)}
|
|
</response>`;
|
|
return outString;
|
|
},
|
|
|
|
_inputProps(input) {
|
|
const props = input.querySelectorAll("prop > *");
|
|
const propNames = [];
|
|
|
|
for (const p of props) {
|
|
Assert.equal(p.childElementCount, 0);
|
|
switch (p.localName) {
|
|
case "calendar-home-set":
|
|
case "calendar-user-address-set":
|
|
case "schedule-inbox-URL":
|
|
case "schedule-outbox-URL":
|
|
case "supported-calendar-component-set":
|
|
case "calendar-data":
|
|
Assert.equal(p.namespaceURI, PREFIX_BINDINGS.c);
|
|
propNames.push(`c:${p.localName}`);
|
|
break;
|
|
case "getctag":
|
|
Assert.equal(p.namespaceURI, PREFIX_BINDINGS.cs);
|
|
propNames.push(`cs:${p.localName}`);
|
|
break;
|
|
case "getetag":
|
|
case "owner":
|
|
case "current-user-principal":
|
|
case "current-user-privilege-set":
|
|
case "supported-report-set":
|
|
case "displayname":
|
|
case "resourcetype":
|
|
case "sync-token":
|
|
case "getcontenttype":
|
|
Assert.equal(p.namespaceURI, PREFIX_BINDINGS.d);
|
|
propNames.push(`d:${p.localName}`);
|
|
break;
|
|
case "calendar-color":
|
|
Assert.equal(p.namespaceURI, PREFIX_BINDINGS.i);
|
|
propNames.push(`i:${p.localName}`);
|
|
break;
|
|
default:
|
|
Assert.report(true, undefined, undefined, `Unknown property requested: ${p.nodeName}`);
|
|
break;
|
|
}
|
|
}
|
|
|
|
return propNames;
|
|
},
|
|
|
|
_outputProps(propNames, propValues) {
|
|
let output = "";
|
|
|
|
const found = [];
|
|
const notFound = [];
|
|
for (const p of propNames) {
|
|
if (p in propValues && propValues[p] != null) {
|
|
found.push(`<${p}>${propValues[p]}</${p}>`);
|
|
} else {
|
|
notFound.push(`<${p}/>`);
|
|
}
|
|
}
|
|
|
|
if (found.length > 0) {
|
|
output += `<propstat>
|
|
<prop>
|
|
${found.join("\n")}
|
|
</prop>
|
|
<status>HTTP/1.1 200 OK</status>
|
|
</propstat>`;
|
|
}
|
|
if (notFound.length > 0) {
|
|
output += `<propstat>
|
|
<prop>
|
|
${notFound.join("\n")}
|
|
</prop>
|
|
<status>HTTP/1.1 404 Not Found</status>
|
|
</propstat>`;
|
|
}
|
|
|
|
return output;
|
|
},
|
|
|
|
/** Handle any requests to calendar items. */
|
|
|
|
itemHandler(request, response) {
|
|
if (!this.checkAuth(request, response)) {
|
|
return;
|
|
}
|
|
|
|
if (!/\/[\w-]+\.ics$/.test(request.path)) {
|
|
response.setStatusLine("1.1", 404, "Not Found");
|
|
response.setHeader("Content-Type", "text/plain");
|
|
response.write(`Item not found at ${request.path}`);
|
|
return;
|
|
}
|
|
|
|
switch (request.method) {
|
|
case "GET":
|
|
this.getItem(request, response);
|
|
return;
|
|
case "PUT":
|
|
this.putItem(request, response);
|
|
return;
|
|
case "DELETE":
|
|
this.deleteItem(request, response);
|
|
return;
|
|
}
|
|
|
|
Assert.report(true, undefined, undefined, "Should not have reached here");
|
|
response.setStatusLine("1.1", 405, "Method Not Allowed");
|
|
response.setHeader("Content-Type", "text/plain");
|
|
response.write(`Method not allowed: ${request.method}`);
|
|
},
|
|
|
|
async getItem(request, response) {
|
|
const item = this.items.get(request.path);
|
|
if (!item) {
|
|
response.setStatusLine("1.1", 404, "Not Found");
|
|
response.setHeader("Content-Type", "text/plain");
|
|
response.write(`Item not found at ${request.path}`);
|
|
return;
|
|
}
|
|
|
|
response.setStatusLine("1.1", 200, "OK");
|
|
response.setHeader("Content-Type", "text/calendar");
|
|
response.setHeader("ETag", item.etag);
|
|
response.write(item.ics);
|
|
},
|
|
|
|
async putItem(request, response) {
|
|
if (request.hasHeader("If-Match")) {
|
|
const item = this.items.get(request.path);
|
|
if (!item || item.etag != request.getHeader("If-Match")) {
|
|
response.setStatusLine("1.1", 412, "Precondition Failed");
|
|
return;
|
|
}
|
|
}
|
|
|
|
response.processAsync();
|
|
|
|
const ics = CommonUtils.readBytesFromInputStream(request.bodyInputStream);
|
|
await this.putItemInternal(request.path, ics);
|
|
response.setStatusLine("1.1", 204, "No Content");
|
|
|
|
response.finish();
|
|
},
|
|
|
|
async putItemInternal(name, ics) {
|
|
if (!name.startsWith("/")) {
|
|
name = this.path + name;
|
|
}
|
|
|
|
const hash = await crypto.subtle.digest("sha-1", new TextEncoder().encode(ics));
|
|
const etag = Array.from(new Uint8Array(hash), c => c.toString(16).padStart(2, "0")).join("");
|
|
this.items.set(name, { etag, ics, changed: ++this.changeCount });
|
|
this.deletedItems.delete(name);
|
|
},
|
|
|
|
deleteItem(request, response) {
|
|
this.deleteItemInternal(request.path);
|
|
response.setStatusLine("1.1", 204, "No Content");
|
|
},
|
|
|
|
deleteItemInternal(name) {
|
|
if (!name.startsWith("/")) {
|
|
name = this.path + name;
|
|
}
|
|
this.items.delete(name);
|
|
this.deletedItems.set(name, ++this.changeCount);
|
|
},
|
|
};
|