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="250">
   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:VBox>
  30         </mx:VBox>
  31
  32         <mx:VBox id="permFailPanel" width="100%" height="100%">
  33           <mx:Text styleName="failText" width="100%" condenseWhite="true">
  34             <mx:htmlText><![CDATA[
  35               <p>The server refused this application's credentials -- an authorisation link
  36               could not be obtained.
  37               </p><p>
  38               <b>OAuth access will not be possible.</b>
  39               </p><p>
  40               Please contact application vendor to find out what's going on.
  41             ]]></mx:htmlText>
  42           </mx:Text>
  43         </mx:VBox>
  44
  45         <mx:VBox id="tempFailPanel" width="100%" height="100%">
  46           <mx:Text width="100%">
  47             <mx:text>
  48               There was a problem contacting the server to get authorisation.
  49               This may be a temporary error, try again later.
  50             </mx:text>
  51           </mx:Text>
  52         </mx:VBox>
  53
  54         </mx:ViewStack>
  55
  56         <mx:ControlBar horizontalAlign="right">
  57
  58             <mx:ProgressBar id="progress" label="Contacting server..." labelPlacement="top"
  59                 indeterminate="true"/>
  60         <mx:Spacer width="100%"/>
  61
  62             <mx:Button label="Cancel" click="PopUpManager.removePopUp(this);"/>
  63             <mx:Button id="tryAccessButton" label="Try Access" click="getAccessToken()" enabled="false"/>
  64         </mx:ControlBar>
  65
  66         <mx:Script><![CDATA[
  67         import flash.events.Event;
  68         import flash.net.*;
  69         import mx.managers.PopUpManager;
  70         import net.systemeD.halcyon.connection.*;
  71         import org.iotashan.oauth.*;
  72
  73         private var connection:Connection;
  74         private var requestToken:OAuthToken;
  75         private var _accessToken:OAuthToken;
  76         private var authoriseURL:String;
  77         private var lastHTTPStatus:int = 0;
  78
  79         public static var ACCESS_TOKEN_EVENT:String = "gotAccessToken";
  80
  81         private function getAuthText():String {
  82             return "To save data you must authorise this application to edit "+
  83                     Connection.serverName + " on your behalf.";
  84         }
  85
  86         private function openURL(url:String):void {
  87             var urlRequest:URLRequest = new URLRequest(url);
  88             navigateToURL(urlRequest, "_blank");
  89         }
  90
  91         private function getRequestToken():void {
  92             connection = Connection.getConnectionInstance();
  93
  94             var sig:IOAuthSignatureMethod = new OAuthSignatureMethod_HMAC_SHA1();
  95             var consumer:OAuthConsumer = getConsumer();
  96             var url:String = Connection.getParam("oauth_request_url", "http://127.0.0.1:3000/oauth/request_token");
  97
  98             var params:Object = new Object();
  99             var oauthRequest:OAuthRequest = new OAuthRequest("GET", url, params, consumer, null);
 100             var urlStr:Object = oauthRequest.buildRequest(sig, OAuthRequest.RESULT_TYPE_URL_STRING)
 101
 102             // build the actual request
 103             var urlReq:URLRequest = new URLRequest(String(urlStr));
 104             var loader:URLLoader = new URLLoader();
 105             loader.addEventListener(Event.COMPLETE, loadedRequestToken);
 106             loader.addEventListener(IOErrorEvent.IO_ERROR, requestTokenError);
 107             loader.addEventListener(HTTPStatusEvent.HTTP_STATUS, recordStatus);
 108             loader.load(urlReq);
 109         }
 110
 111         private function recordStatus(event:HTTPStatusEvent):void {
 112             lastHTTPStatus = event.status;
 113         }
 114
 115         private function requestTokenError(event:IOErrorEvent):void {
 116             trace("error occured... last status was: "+lastHTTPStatus);
 117
 118             if ( lastHTTPStatus == 401 ) {
 119                 // this means authorisation was refused -- refused at this stage
 120                 // means our consumer token is broken
 121                 contentStack.selectedChild = permFailPanel;
 122             } else {
 123                 contentStack.selectedChild = tempFailPanel;
 124             }
 125             progress.visible = false;
 126         }
 127
 128         private function loadedRequestToken(event:Event):void {
 129             trace("Yay! response: "+URLLoader(event.target).data);
 130             requestToken = getResponseToken(URLLoader(event.target));
 131
 132             var url:String = Connection.getParam("oauth_auth_url", "http://127.0.0.1:3000/oauth/authorize");
 133             link.label = url;
 134             authoriseURL = url + "?oauth_token="+requestToken.key;
 135             progress.visible = false;
 136             gotLinkBox.visible = true;
 137         }
 138
 139         private function getResponseToken(loader:URLLoader):OAuthToken {
 140             var vars:URLVariables = new URLVariables(loader.data);
 141
 142             // build out request token
 143             var token:OAuthToken = new OAuthToken(
 144                 String(vars["oauth_token"]),
 145                 String(vars["oauth_token_secret"]));
 146             return token;
 147         }
 148
 149         private function getAccessToken():void {
 150             var sig:IOAuthSignatureMethod = new OAuthSignatureMethod_HMAC_SHA1();
 151             var consumer:OAuthConsumer = getConsumer();
 152             var url:String = Connection.getParam("oauth_access_url", "http://127.0.0.1:3000/oauth/access_token");
 153
 154             var oauthRequest:OAuthRequest = new OAuthRequest("GET", url, null, consumer, requestToken);
 155             var urlStr:Object = oauthRequest.buildRequest(sig, OAuthRequest.RESULT_TYPE_URL_STRING)
 156
 157             var urlReq:URLRequest = new URLRequest(String(urlStr));
 158             var loader:URLLoader = new URLLoader();
 159             loader.addEventListener(Event.COMPLETE, loadedAccessToken);
 160             loader.addEventListener(IOErrorEvent.IO_ERROR, accessTokenError);
 161             loader.addEventListener(HTTPStatusEvent.HTTP_STATUS, recordStatus);
 162             loader.load(urlReq);
 163
 164             progress.label = "Checking access";
 165             progress.visible = true;
 166         }
 167
 168         private function loadedAccessToken(event:Event):void {
 169             trace("Yay! response: "+URLLoader(event.target).data);
 170             progress.label = "Received Access";
 171             progress.indeterminate = false;
 172             progress.setProgress(100,100);
 173             PopUpManager.removePopUp(this);
 174
 175             _accessToken = getResponseToken(URLLoader(event.target));
 176             dispatchEvent(new Event(ACCESS_TOKEN_EVENT));
 177         }
 178
 179         public function get accessToken():OAuthToken {
 180             return _accessToken;
 181         }
 182
 183         private function accessTokenError(event:IOErrorEvent):void {
 184             if ( lastHTTPStatus == 401 ) {
 185                 deniedLabel.htmlText = "<b>Access was denied, please check, and try again</b>";
 186             } else {
 187                 deniedLabel.htmlText = "<b>Error occurred</b> ("+lastHTTPStatus+"): please try again";
 188             }
 189             deniedLabel.visible = true;
 190         }
 191
 192         private function getConsumer():OAuthConsumer {
 193             var key:String = Connection.getParam("oauth_consumer_key", "");
 194             var secret:String = Connection.getParam("oauth_consumer_secret", "");
 195             return new OAuthConsumer(key, secret);
 196         }
 197
 198         ]]></mx:Script>
 199 </mx:TitleWindow>
 200