2. 그 ¶
- Plug-in extension program고 게 . 기 기 .. =ㅂ= 그 .json 간고 CSS HTML. DOM 구 고 . 그 간 긁 HTML element Naver Plug-in 까 .
4.1. 꼭 고 각 ¶
- Chrome extention overview
- Overview
- Tutorial (getstarted) with fileset(manifest.json,.js,.html)
- manifest.json attribute.
- Contents policy security. 기 꼭
- Overview
4.2.1. 기기 ¶
개 API 금 고 code developer . index 과 .
Tutorial 과 .
그 거 게
Chrome 경( ) -> 구 -> 그 -> 개 Check -> 그 그 .
4.2.2. 기 ¶
flickr permission 긁 그 . 구 HTML CSS. AJAX, Javascript (AJAX 겠 ) 구. json . 군.
Wikipedia JSON : http://ko.wikipedia.org/wiki/JSON
게 국. 간 고 그 javascript구 . xml web 과기 web 고 . 거 .
Wikipedia Ajax : http://ko.wikipedia.org/wiki/Ajax
Ajax 기 고기 (A Asyncronous) HTML과 CSS DOM 구 XML, json Ajax 기 기 .
기까 .
.
- : manifest.json menifest.json update . json element , . 그 .
4.2.2.1. ¶
- popup.js
// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
var req = new XMLHttpRequest();
req.open(
"GET",
"http://api.flickr.com/services/rest/?" +
"method=flickr.photos.search&" +
"api_key=90485e931f687a9b9c2a66bf58a3861a&" +
"text=hello%20world&" +
"safe_search=1&" + // 1 is "safe"
"content_type=1&" + // 1 is "photos only"
"sort=relevance&" + // another good one is "interestingness-desc"
"per_page=20",
true);
req.onload = showPhotos;
req.send(null);
function showPhotos() {
var photos = req.responseXML.getElementsByTagName("photo");
for (var i = 0, photo; photo = photos[i]; i++) {
var img = document.createElement("image");
img.src = constructImageURL(photo);
document.body.appendChild(img);
}
}
// See: http://www.flickr.com/services/api/misc.urls.html
function constructImageURL(photo) {
return "http://farm" + photo.getAttribute("farm") +
".static.flickr.com/" + photo.getAttribute("server") +
"/" + photo.getAttribute("id") +
"_" + photo.getAttribute("secret") +
"_s.jpg";
}
- popup.html
<!doctype html>
<html>
<head>
<title>Getting Started Extension's Popup</title>
<style>
body {
min-width:357px;
overflow-x:hidden;
}
img {
margin:5px;
border:2px solid black;
vertical-align:middle;
width:75px;
height:75px;
}
</style>
<!-- JavaScript and HTML must be in separate files for security. -->
<script src="popup.js"></script>
</head>
<body>
</body>
</html>
- manifest.json
{
"name": "My First Extension",
"version": "1.0",
"manifest_version": 2,
"description": "The first extension that I made.",
"browser_action": {
"default_icon": "icon.png",
"default_popup": "popup.html"
},
"permissions": [
"http://api.flickr.com/"
]
}
4.2.3.1. 기 구 ¶
- window.open body .
- index.html
<html> <head> <script language="javascript"> <!-- function na_open_window(name, url, left, top, width, height, toolbar, menubar, statusbar, scrollbar, resizable) { toolbar_str = toolbar ? 'yes' : 'no'; menubar_str = menubar ? 'yes' : 'no'; statusbar_str = statusbar ? 'yes' : 'no'; scrollbar_str = scrollbar ? 'yes' : 'no'; resizable_str = resizable ? 'yes' : 'no'; window.open(url, name, 'left='+left+',top='+top+',width='+width+',height='+height +',toolbar='+toolbar_str+',menubar=' +menubar_str+',status='+statusbar_str+',scrollbars='+scrollbar_str +',resizable='+resizable_str); } // --> </script> </head> <body ondblclick = "na_open_window('win', 'popup.html', 50, 100, 100, 30, 0, 0, 0, 0, 0)"> </body> </html>
- na-open_window status_bar 기 popup 고 . 0 false까.
- javascript document.body.ondblclick = .
- popup.html
<html> Hello World! </html>
4.2.4.1. History extension ¶
- 격과 공. 구 공 Sample .
{
"name" : "BrowsingData API: Basics",
"version" : "1.1",
"description" : "A trivial usage example.",
"permissions": [
"browsingData"
],
"browser_action": {
"default_icon": "icon.png",
"default_popup": "popup.html" //게 그 popup . browser_action default_popup action icon popup .
},
"manifest_version": 2
}
4.2.4.2. Contents policy security ¶
- .
- : http://code.google.com/chrome/extensions/contentSecurityPolicy.html
- inline script cross script attack 기 html과 contents 고 . 규 inline javascript .js .
<div OnClick="func()">html 그 inline attach 기 document element document.addEventListener event function 결게 . 거 . 각 .
