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/*
* ==VimperatorPlugin==
* @name reading.js
* @description update Twitter's status to current URL and comment
* @description-ja 今見てるページの URL とタイトルをコメントといっしょに Twitter に投稿する
* @author janus_wel <janus_wel@fb3.so-net.ne.jp>
* @version 0.24
* @minversion 2.0pre 2008/10/16
* ==/VimperatorPlugin==
*
* LICENSE
* New BSD License
*
* USAGE
* :reading [comment]
* Twitter に今見ているページの情報をポストする。 comment はなくてもかまわない。
* :reading! [comment]
* Twitter に送られる文字列をクリップボードにコピーする。実際には送られない。
*
* VALIABLE
* g:reading_format
* 投稿する文章の書式設定。以下の変数指定が可能。
* $SERVICENAME : このプラグインが付加する文字列。 g:reading_servicename で指定する。
* $TITLE : ページのタイトル。
* $URL : ページの URL。
* $SELECTED : visual mode やマウスで選択した文字列。
* $COMMENT : コメント。これがないとコメントを書いても反映されない。
* default
* let g:reading_format='$SERVICENAME : $COMMENT "$TITLE" $URL $SELECTED'
*
* g:reading_servicename
* このプラグインが固定で付加する文字列。
* default
* let g:reading_servicename='I'm reading now'
*
* g:reading_title_default
* タイトルがない場合に付加される文字列。
* default
* let g:reading_title_default='no title'
*
* HISTORY
* 2008/09/05 ver. 0.10 - initial written.
* 2008/09/24 ver. 0.20 - add URL canonicalization.
* 2008/10/02 ver. 0.21 - fix the bug not apply encodeURI
* to querystring for Pathtraq API.
* 2009/10/16 ver. 0.24 - fix for https URL.
* */
(function() {
// Twitter's URL to post
const DOMAIN = 'http://twitter.com/';
const POST_URL = 'https://twitter.com/statuses/update.json';
// information functions
// change XPath query when HTML changed.
function Scraper() {}
Scraper.prototype = {
constants: {
VERSION: '0.22',
},
version: function() { return this.constants.VERSION; },
getURL: function() {
return liberator.modules.buffer.URL;
},
getTitle: function() {
var title = $f('//title');
return title
? title.text.replace(/^\s+|\s+$/g, '')
.replace(/\r\n|[\r\n\t]/g, ' ')
: null;
},
getSelected: function() {
var selected = window.content.getSelection().toString();
return selected ? selected : '';
}
};
liberator.modules.commands.addUserCommand(['reading'], "update Twitter's status to current page title, URL and comment",
function(args) {
try {
let arg = args.string;
// build post string -----
let post_string;
// get value from global variable or set default
let format = liberator.globalVariables.reading_format || '$SERVICENAME : $COMMENT "$TITLE" $URL $SELECTED';
let serviceName = liberator.globalVariables.reading_servicename || 'I\'m reading now';
let title_default = liberator.globalVariables.reading_title_default || 'no title';
let scraper = new Scraper;
let title = scraper.getTitle() || title_default;
let canonicalizedURL = canonicalizeURL(scraper.getURL());
// expand variable ( evaluate variable ? )
post_string = format.replace(/\$SERVICENAME/g, serviceName)
.replace(/\$TITLE/g, title)
.replace(/\$URL/g, canonicalizedURL)
.replace(/\$SELECTED/g, scraper.getSelected())
.replace(/\$COMMENT/g, arg);
// ':matanico!' display the evaluated format.
if(args.bang) {
liberator.modules.util.copyToClipboard(post_string, true);
return;
}
// ready posting -----
// URI encode
let parameter = 'status=' + encodeURIComponent(post_string);
// get user account for Twitter
let [user, pass] = getUserAccount(DOMAIN, POST_URL, null);
// send status
let req = new XMLHttpRequest();
if(req) {
req.open('POST', POST_URL, true, user, pass);
req.onreadystatechange = function() {
if(req.readyState == 4) {
if(req.status == 200) liberator.echo('Posted ' + post_string);
else throw new Error('failure in posting status to Twitter. HTTP status code : ' + req.status);
}
};
req.setRequestHeader('Content-type', 'application/x-www-form-urlencoded');
req.send(parameter);
}
}
catch(e) {
liberator.echoerr(e.message);
liberator.log(e.message);
}
},
// complete logic is none.
{
bang: true,
},
true
);
// stuff functions
function $f(query, node) {
node = node || window.content.document;
var result = (node.ownerDocument || node).evaluate(
query,
node,
null,
XPathResult.FIRST_ORDERED_NODE_TYPE,
null
);
return result.singleNodeValue ? result.singleNodeValue : null;
}
function $s(query, node) {
node = node || window.content.document;
var result = (node.ownerDocument || node).evaluate(
query,
node,
null,
XPathResult.ORDERED_NODE_SNAPSHOT_TYPE,
null
);
var nodes = [];
for(let i=0 ; i<result.snapshotLength ; ++i) nodes.push(result.snapshotItem(i));
return nodes;
}
function canonicalizeURL(url) {
const PATHTRAQ_CANONICALIZE_URL_API = 'http://api.pathtraq.com/normalize_url2?api=json&url=';
var req = new XMLHttpRequest();
req.open('GET', PATHTRAQ_CANONICALIZE_URL_API + encodeURI(url), false);
req.send(null);
if(req.status === 200) {
let canonicalized = req.responseText.replace(/^"|"$/g, '');
return (canonicalized && canonicalized != 'undefined') ? canonicalized : url;
}
else {
throw new Error(req.status + ' ' + req.statusText + "\n" + req.responseHeaders);
}
}
// user account manager
// from direct_bookmark.js
// thanks to Trapezoid
function getUserAccount(form, post, arg) {
var user, password;
try {
let passwordManager = Cc["@mozilla.org/login-manager;1"].getService(Ci.nsILoginManager);
let logins = passwordManager.findLogins({}, form, post, arg);
if(logins.length > 0) {
[user, password] = [logins[0].username, logins[0].password];
} else {
let promptUser = { value : '' }, promptPass = { value : '' };
let promptSvc = Cc["@mozilla.org/embedcomp/prompt-service;1"]
.getService(Ci.nsIPromptService);
let nsLoginInfo = new Components.Constructor("@mozilla.org/login-manager/loginInfo;1",
Ci.nsILoginInfo,
"init");
let ret = promptSvc.promptUsernameAndPassword(
window, form, 'Enter e-mail address and password.',
promptUser, promptPass, null, {}
);
if(ret) {
[user, password] = [promptUser.value, promptPass.value];
let formLoginInfo = new nsLoginInfo(form,
post, null,
user, password, '', '');
passwordManager.addLogin(formLoginInfo);
} else {
liberator.echoerr("account not found - " + form);
}
}
}
catch(ex) {
liberator.echoerr("handled exception during getting username and password");
liberator.log(ex);
}
return [user, password];
}
})();
// vim:sw=4 ts=4 et:
|
