net/systemeD/potlatch2/save/OAuthPanel.mxml

   1 <?xml version="1.0" encoding="utf-8"?>
   2 <mx:TitleWindow
   3         xmlns:mx="http://www.adobe.com/2006/mxml"
   4         layout="vertical"
   5         horizontalAlign="center" title="Authorisation Required"
   6         creationComplete="getRequestToken()"
   7         height="290">
   8
   9         <mx:ViewStack id="contentStack" width="100%" height="100%">
  10
  11         <mx:VBox id="okPanel" width="100%" height="100%">
  12           <mx:Text width="100%" text="{getAuthText()}"/>
  13           <mx:VBox width="100%" id="gotLinkBox" visible="false">
  14             <mx:Text width="100%">
  15               <mx:text>
  16                 Click the link below to open a web page where
  17                 you will be asked to authorise access to this app.
  18               </mx:text>
  19             </mx:Text>
  20             <mx:LinkButton id="link"
  21                 label="http://oauth.dev.openstreetmap.org/oauth/authorize?somekey"
  22                 click="openURL(authoriseURL); tryAccessButton.enabled=true;"/>
  23             <mx:Text width="100%">
  24               <mx:text>Once you've authorised the access click the 'Try Access' button below</mx:text> <!-- ' -->
  25             </mx:Text>
  26             <mx:Text styleName="failText" visible="false" id="deniedLabel">
  27               <mx:text><![CDATA[<b>Access was denied, please check, and try again</b>]]></mx:text>
  28             </mx:Text>
  29             <mx:HBox width="100%" horizontalAlign="right">
  30               <mx:CheckBox id="rememberMe" label="Remember authorisation" selected="true"/>
  31             </mx:HBox>
  32           </mx:VBox>
  33         </mx:VBox>
  34
  35         <mx:VBox id="permFailPanel" width="100%" height="100%">
  36           <mx:Text styleName="failText" width="100%" condenseWhite="true">
  37             <mx:htmlText><![CDATA[
  38               <p>The server refused this application's credentials -- an authorisation link
  39               could not be obtained.
  40               </p><p>
  41               <b>OAuth access will not be possible.</b>
  42               </p><p>
  43               Please contact application vendor to find out what's going on.
  44             ]]></mx:htmlText>
  45           </mx:Text>
  46         </mx:VBox>
  47
  48         <mx:VBox id="tempFailPanel" width="100%" height="100%">
  49           <mx:Text width="100%">
  50             <mx:text>
  51               There was a problem contacting the server to get authorisation.
  52               This may be a temporary error, try again later.
  53             </mx:text>
  54           </mx:Text>
  55         </mx:VBox>
  56
  57         </mx:ViewStack>
  58
  59         <mx:ControlBar horizontalAlign="right">
  60
  61             <mx:ProgressBar id="progress" label="Contacting server..." labelPlacement="top"
  62                 indeterminate="true"/>
  63         <mx:Spacer width="100%"/>
  64
  65             <mx:Button label="Cancel" click="PopUpManager.removePopUp(this);" styleName="titleWindowButton" />
  66             <mx:Button id="tryAccessButton" label="Try Access" click="getAccessToken()" enabled="false" styleName="titleWindowButton" />
  67         </mx:ControlBar>
  68
  69         <mx:Script><![CDATA[
  70                 import flash.display.InteractiveObject;
  71         import flash.events.Event;
  72         import flash.net.*;
  73                 import flash.system.Capabilities;
  74         import mx.managers.PopUpManager;
  75         import net.systemeD.halcyon.connection.*;
  76         import org.iotashan.oauth.*;
  77                 import flash.external.ExternalInterface;
  78
  79         private var connection:Connection;
  80         private var requestToken:OAuthToken;
  81         private var _accessToken:OAuthToken;
  82         private var authoriseURL:String;
  83         private var lastHTTPStatus:int = 0;
  84
  85         public static var ACCESS_TOKEN_EVENT:String = "gotAccessToken";
  86
  87         private function getAuthText():String {
  88             return "To save data you must authorise this application to edit "+
  89                     connection.serverName + " on your behalf.";
  90         }
  91
  92                 public function setConnection(connection:Connection):void {
  93                         this.connection=connection;
  94                 }
  95
  96         private function openURL(url:String):void {
  97                         if (ExternalInterface.available) {
  98                                 var winH:int = 560;
  99                                 var winW:int = 600;
 100                                 var leftPos:int  = (Capabilities.screenResolutionX - winW) / 2;
 101                                 var topPos:int = (Capabilities.screenResolutionY - winH) / 2;
 102                                 ExternalInterface.call( "window.open", url,"oAuthWin","height=" + winH + ",width=" + winW +",top=" + topPos + ", left=" + leftPos +", toolbar=no,scrollbars=no,status=no,location=no,menubar=no,directories=no");
 103                                 }
 104                         else
 105                         {
 106                                 var urlRequest:URLRequest = new URLRequest(url);
 107                                 navigateToURL(urlRequest,"_blank");
 108                         }
 109                 }
 110
 111         private function getRequestToken():void {
 112             var sig:IOAuthSignatureMethod = new OAuthSignatureMethod_HMAC_SHA1();
 113             var consumer:OAuthConsumer = getConsumer();
 114             var url:String = Connection.getParam("oauth_request_url", "http://127.0.0.1:3000/oauth/request_token");
 115
 116             var params:Object = new Object();
 117             var oauthRequest:OAuthRequest = new OAuthRequest("GET", url, params, consumer, null);
 118             var urlStr:Object = oauthRequest.buildRequest(sig, OAuthRequest.RESULT_TYPE_URL_STRING)
 119
 120                         //register the "pressTry" function so the oAuth callback page can try to advance the editor directly to the next step
 121                         ExternalInterface.addCallback("pressTry", pressTry);
 122
 123             // build the actual request
 124             var urlReq:URLRequest = new URLRequest(String(urlStr));
 125             var loader:URLLoader = new URLLoader();
 126             loader.addEventListener(Event.COMPLETE, loadedRequestToken);
 127             loader.addEventListener(IOErrorEvent.IO_ERROR, requestTokenError);
 128             loader.addEventListener(HTTPStatusEvent.HTTP_STATUS, recordStatus);
 129             loader.load(urlReq);
 130         }
 131
 132         private function recordStatus(event:HTTPStatusEvent):void {
 133             lastHTTPStatus = event.status;
 134         }
 135
 136         private function requestTokenError(event:IOErrorEvent):void {
 137             trace("error occured... last status was: "+lastHTTPStatus);
 138
 139             if ( lastHTTPStatus == 401 ) {
 140                 // this means authorisation was refused -- refused at this stage
 141                 // means our consumer token is broken
 142                 contentStack.selectedChild = permFailPanel;
 143             } else {
 144                 contentStack.selectedChild = tempFailPanel;
 145             }
 146             progress.visible = false;
 147         }
 148
 149         private function loadedRequestToken(event:Event):void {
 150             trace("Yay! response: "+URLLoader(event.target).data);
 151             requestToken = getResponseToken(URLLoader(event.target));
 152
 153             var url:String = Connection.getParam("oauth_auth_url", "http://127.0.0.1:3000/oauth/authorize");
 154             link.label = url;
 155                         authoriseURL = url + "?oauth_token="+requestToken.key;
 156                         progress.visible = false;
 157             gotLinkBox.visible = true;
 158         }
 159
 160         private function getResponseToken(loader:URLLoader):OAuthToken {
 161             var vars:URLVariables = new URLVariables(loader.data);
 162
 163             // build out request token
 164             var token:OAuthToken = new OAuthToken(
 165                 String(vars["oauth_token"]),
 166                 String(vars["oauth_token_secret"]));
 167             return token;
 168         }
 169
 170         private function getAccessToken():void {
 171             var sig:IOAuthSignatureMethod = new OAuthSignatureMethod_HMAC_SHA1();
 172             var consumer:OAuthConsumer = getConsumer();
 173             var url:String = Connection.getParam("oauth_access_url", "http://127.0.0.1:3000/oauth/access_token");
 174
 175             var oauthRequest:OAuthRequest = new OAuthRequest("GET", url, null, consumer, requestToken);
 176             var urlStr:Object = oauthRequest.buildRequest(sig, OAuthRequest.RESULT_TYPE_URL_STRING)
 177
 178             var urlReq:URLRequest = new URLRequest(String(urlStr));
 179             var loader:URLLoader = new URLLoader();
 180             loader.addEventListener(Event.COMPLETE, loadedAccessToken);
 181             loader.addEventListener(IOErrorEvent.IO_ERROR, accessTokenError);
 182             loader.addEventListener(HTTPStatusEvent.HTTP_STATUS, recordStatus);
 183             loader.load(urlReq);
 184
 185             progress.label = "Checking access";
 186             progress.visible = true;
 187         }
 188
 189         private function loadedAccessToken(event:Event):void {
 190             trace("Yay! response: "+URLLoader(event.target).data);
 191             progress.label = "Received Access";
 192             progress.indeterminate = false;
 193             progress.setProgress(100,100);
 194             PopUpManager.removePopUp(this);
 195
 196             _accessToken = getResponseToken(URLLoader(event.target));
 197             connection.setAuthToken(_accessToken);
 198             dispatchEvent(new Event(ACCESS_TOKEN_EVENT));
 199         }
 200
 201         public function get accessToken():OAuthToken {
 202             return _accessToken;
 203         }
 204
 205         public function get shouldRemember():Boolean {
 206             return rememberMe.selected;
 207         }
 208
 209         private function accessTokenError(event:IOErrorEvent):void {
 210             if ( lastHTTPStatus == 401 ) {
 211                 deniedLabel.htmlText = "<b>Access was denied, please check, and try again</b>";
 212             } else {
 213                 deniedLabel.htmlText = "<b>Error occurred</b> ("+lastHTTPStatus+"): please try again";
 214             }
 215             deniedLabel.visible = true;
 216         }
 217
 218         private function getConsumer():OAuthConsumer {
 219             var key:String = Connection.getParam("oauth_consumer_key", "");
 220             var secret:String = Connection.getParam("oauth_consumer_secret", "");
 221             return new OAuthConsumer(key, secret);
 222         }
 223
 224                 public function pressTry():void {
 225                         getAccessToken();
 226                 }
 227
 228         ]]></mx:Script>
 229 </mx:TitleWindow>
 230