(function() {
'use strict';
angular.module('oauth.twitter', ['oauth.utils'])
.factory('$ngCordovaTwitter', twitter);
function twitter($q, $http, $cordovaOauthUtility) {
return { signin: oauthTwitter };
/*
* Sign into the Twitter service
* Note that this service requires jsSHA for generating HMAC-SHA1 Oauth 1.0 signatures
*
* @param string clientId
* @param string clientSecret
* @return promise
*/
function oauthTwitter(clientId, clientSecret, options) {
var deferred = $q.defer();
if(window.cordova) {
if($cordovaOauthUtility.isInAppBrowserInstalled()) {
var redirect_uri = "http://localhost/callback";
if(options !== undefined) {
if(options.hasOwnProperty("redirect_uri")) {
redirect_uri = options.redirect_uri;
}
}
if(typeof jsSHA !== "undefined") {
var oauthObject = {
oauth_consumer_key: clientId,
oauth_nonce: $cordovaOauthUtility.createNonce(10),
oauth_signature_method: "HMAC-SHA1",
oauth_timestamp: Math.round((new Date()).getTime() / 1000.0),
oauth_version: "1.0"
};
var signatureObj = $cordovaOauthUtility.createSignature("POST", "https://api.twitter.com/oauth/request_token", oauthObject, { oauth_callback: redirect_uri }, clientSecret);
$http({
method: "post",
url: "https://api.twitter.com/oauth/request_token",
headers: {
"Authorization": signatureObj.authorization_header,
"Content-Type": "application/x-www-form-urlencoded"
},
data: "oauth_callback=" + encodeURIComponent(redirect_uri)
})
.success(function(requestTokenResult) {
var requestTokenParameters = (requestTokenResult).split("&");
var parameterMap = {};
for(var i = 0; i < requestTokenParameters.length; i++) {
parameterMap[requestTokenParameters[i].split("=")[0]] = requestTokenParameters[i].split("=")[1];
}
if(parameterMap.hasOwnProperty("oauth_token") === false) {
deferred.reject("Oauth request token was not received");
}
var browserRef = window.cordova.InAppBrowser.open('https://api.twitter.com/oauth/authenticate?oauth_token=' + parameterMap.oauth_token, '_blank', 'location=no,clearsessioncache=yes,clearcache=yes');
browserRef.addEventListener('loadstart', function(event) {
if((event.url).indexOf(redirect_uri) === 0) {
var callbackResponse = (event.url).split("?")[1];
var responseParameters = (callbackResponse).split("&");
var parameterMap = {};
for(var i = 0; i < responseParameters.length; i++) {
parameterMap[responseParameters[i].split("=")[0]] = responseParameters[i].split("=")[1];
}
if(parameterMap.hasOwnProperty("oauth_verifier") === false) {
deferred.reject("Browser authentication failed to complete. No oauth_verifier was returned");
}
delete oauthObject.oauth_signature;
oauthObject.oauth_token = parameterMap.oauth_token;
var signatureObj = $cordovaOauthUtility.createSignature("POST", "https://api.twitter.com/oauth/access_token", oauthObject, { oauth_verifier: parameterMap.oauth_verifier }, clientSecret);
$http({
method: "post",
url: "https://api.twitter.com/oauth/access_token",
headers: {
"Authorization": signatureObj.authorization_header
},
params: {
"oauth_verifier": parameterMap.oauth_verifier
}
})
.success(function(result) {
var accessTokenParameters = result.split("&");
var parameterMap = {};
for(var i = 0; i < accessTokenParameters.length; i++) {
parameterMap[accessTokenParameters[i].split("=")[0]] = accessTokenParameters[i].split("=")[1];
}
if(parameterMap.hasOwnProperty("oauth_token_secret") === false) {
deferred.reject("Oauth access token was not received");
}
deferred.resolve(parameterMap);
})
.error(function(error) {
deferred.reject(error);
})
.finally(function() {
setTimeout(function() {
browserRef.close();
}, 10);
});
}
});
browserRef.addEventListener('exit', function(event) {
deferred.reject("The sign in flow was canceled");
});
})
.error(function(error) {
deferred.reject(error);
});
} else {
deferred.reject("Missing jsSHA JavaScript library");
}
} else {
deferred.reject("Could not find InAppBrowser plugin");
}
} else {
deferred.reject("Cannot authenticate via a web browser");
}
return deferred.promise;
}
}
twitter.$inject = ['$q', '$http', '$cordovaOauthUtility'];
})();