/
index.js
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/
index.js
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/* node.js library for Plurk API 2.0
*/
var fs = require('fs');
var urlparse = require('url').parse;
var OAuth = require('oauth').OAuth;
var clientOAuthGen = function (https, consumerKey, consumerSecret) {
var requestTokenUrl = https ? "https://www.plurk.com/OAuth/request_token"
: "http://www.plurk.com/OAuth/request_token";
var accessTokenUrl = https ? "https://www.plurk.com/OAuth/access_token"
: "http://www.plurk.com/OAuth/access_token";
return new OAuth(requestTokenUrl,
accessTokenUrl,
consumerKey,
consumerSecret,
"1.0",
null,
"HMAC-SHA1"
);
};
// accessToken and accessToken are optional
var PlurkClient = function (https,
consumerKey, consumerSecret,
accessToken, accessTokenSecret) {
this.endpoint = "http://www.plurk.com/";
this.oAuth = clientOAuthGen(https, consumerKey, consumerSecret);
this.getOAuthRequestToken = this.getRequestToken =
function (extraParams, cb) {
this.oAuth.getOAuthRequestToken(extraParams, cb);
};
this.getOAuthAccessToken = this.getAccessToken =
function (oauth_token, oauth_token_secret, oauth_verifier, cb) {
this.oAuth.getOAuthAccessToken(oauth_token, oauth_token_secret,
oauth_verifier,
cb);
};
this.accessToken = accessToken;
this.accessTokenSecret = accessTokenSecret;
};
var getClient = function (json) {
var data = JSON.parse(json);
return new PlurkClient(data.https,
data.consumerKey, data.consumerSecret,
data.accessToken, data.accessTokenSecret);
}
// fromFile(filename, ['utf8'], function(err, client))
module.exports.fromFile = function (filename, encoding, cb) {
var innerEnc = encoding;
var innerCb = cb;
if (typeof encoding === 'function') {
innerEnc = 'utf8';
innerCb = encoding;
}
fs.readFile(filename, enc, function(err, json) {
if (err) {
innerCb(err, json);
} else {
innerCb(err, getClient(json));
}
})
}
// fromFileSync(filename, ['utf8'])
module.exports.fromFileSync = function (filename, encoding) {
var innerEnc = encoding;
if (innerEnc == null) {
innerEnc = 'utf8';
}
return getClient(fs.readFileSync(filename, innerEnc));
}
PlurkClient.prototype.getAuthPage = function(requestToken) {
return "http://www.plurk.com/OAuth/authorize?oauth_token=" + requestToken
}
PlurkClient.prototype.getAuthPageMobile = function(requestToken) {
return "http://www.plurk.com/m/authorize?oauth_token=" + requestToken
}
PlurkClient.prototype.join = function(path) {
if (path.indexOf("/APP/") === 0) {
return this.endpoint + path.substr(1);
} else if (path.indexOf("APP/") === 0) {
return this.endpoint + path
} else if (path.indexOf("/") === 0) {
return this.endpoint + "APP" + path;
} else {
return this.endpoint + "APP/" + path;
}
};
var boundCb = function (cb) {
if (!cb) {
return function () {}; // or return;
}
return function (err, json) {
var data;
try {
data = JSON.parse(json);
} catch (e) { // JSON.parse throws SyntaxError.
if (err) {
cb(err, json);
} else {
cb({exception: e}, null);
}
return;
}
cb(err, data);
}
}
// err is set to "missing new_offset" if any error occurred
var boundCometCb = function (cb, cometUrl) {
if (!cb) {
return function () {};
}
return function (err, jsonP) {
if (err) {
cb(err, jsonP);
return;
}
var onError = function () {
cb({error: "missing new_offset"}, jsonP);
}
var from = jsonP.indexOf('{');
var to = jsonP.lastIndexOf('}') + 1;
var json = jsonP.substring(from, to);
var data;
try {
data = JSON.parse(json);
} catch (e) {
onError();
return;
}
if (data["new_offset"] == null) {
onError();
return;
}
cb(err, data, cometUrl + "&offset=" + data["new_offset"]);
}
}
// rq(api, obj, function(err, data) [, accessToken, accessTokenSecret])
PlurkClient.prototype.rq = function(api, obj, callback, accessToken, accessTokenSecret) {
var path = this.join(api);
if (accessToken == null) accessToken = this.accessToken;
if (accessTokenSecret == null) accessTokenSecret = this.accessTokenSecret;
this.oAuth.post(path, accessToken, accessTokenSecret, obj, boundCb(callback));
};
PlurkClient.prototype.post = function(api, accessToken, accessTokenSecret, obj, callback) {
var path = this.join(api);
this.oAuth.post(path, accessToken, accessTokenSecret, obj, boundCb(callback));
};
var startComet = function (self, accessToken, accessTokenSecret, callback) {
self.post('/APP/Realtime/getUserChannel', accessToken, accessTokenSecret, null, function (err, data) {
if (err) {
callback(err, data);
} else {
var requestUrl = data["comet_server"];
var cometUrl = /[^?]+/.exec(requestUrl) + "?channel=" + data["channel_name"];
self.oAuth.get(requestUrl,
accessToken,
accessTokenSecret,
boundCometCb(callback, cometUrl));
}
});
}
var pollComet = function (self, requestUrl, accessToken, accessTokenSecret, callback) {
var channel = urlparse(requestUrl, true).query["channel"];
var cometUrl = /[^?]+/.exec(requestUrl) + "?channel=" + channel;
self.oAuth.get(requestUrl,
accessToken,
accessTokenSecret,
boundCometCb(callback, cometUrl));
}
// startComet(function(err, data, cometUrl) [, accessToken, accessTokenSecret])
PlurkClient.prototype.startComet = function(callback, accessToken, accessTokenSecret) {
if (accessToken == null) accessToken = this.accessToken;
if (accessTokenSecret == null) accessTokenSecret = this.accessTokenSecret;
startComet(this, accessToken, accessTokenSecret, callback);
};
// comet(cometUrl, function(err, data, cometUrl) [, accessToken, accessTokenSecret])
PlurkClient.prototype.comet = function(cometUrl, callback, accessToken, accessTokenSecret) {
if (accessToken == null) accessToken = this.accessToken;
if (accessTokenSecret == null) accessTokenSecret = this.accessTokenSecret;
pollComet(this, cometUrl, accessToken, accessTokenSecret, callback);
};
var limitedTo = {}
limitedTo.parse = function (strOrArray) {
if (Array.isArray(strOrArray)) {
return strOrArray;
} else if (typeof strOrArray === 'string') {
var str = strOrArray;
var pattern = /[0-9]+/g;
var matches = str.match(pattern);
if (matches) {
return matches.map(function (id) { return parseInt(id); });
} else {
return null;
}
} else {
return null;
}
}
limitedTo.stringify = function (array) {
return array.reduce(function (memo, id) {
return memo + "|" + id + "|";
}, "");
}
var base36 = {}
var baseTable = "0123456789abcdefghijklmnopqrstuvwxyz".split("");
base36.decode = function (value) {
var reverse = value.toLowerCase().split("").reverse();
return reverse.reduce(function (memo, ch, index) {
return memo + baseTable.indexOf(ch) * Math.pow(36, index);
}, 0);
}
base36.encode = function (value) {
if (!value || value <= 0) {
return "0";
}
var divide = value;
var result = "";
while (divide !== 0) {
result = baseTable[divide % 36] + result;
divide = Math.floor(divide / 36);
}
return result;
}
var urlMatch = {};
// decode base36 plurk_id to decimal if decode is set
urlMatch.plurk = function (url, decode) {
var PLURKPATTERN = new RegExp("plurk\.com/(m/)?p/([0-9a-z]+)");
var result = PLURKPATTERN.exec(url);
if (result) {
var plurk = result[2];
if (plurk) {
if (decode) {
return base36.decode(plurk);
} else {
return plurk;
}
}
}
return null;
}
urlMatch.user = function (url) {
var USERPATTERN = new RegExp("plurk\.com/(m/u/)?([0-9a-zA-Z_]+)(/#)?"); // 0-9, a-z and underscore
var result = USERPATTERN.exec(url);
if (result) {
var user = result[2];
if (user) {
if (url.lastIndexOf(result[0]) === (url.length - result[0].length)) { // match trailing
return user;
}
}
}
return null;
}
module.exports.limitedTo = limitedTo;
module.exports.base36 = base36;
module.exports.urlMatch = urlMatch;
module.exports.PlurkClient = PlurkClient;