Open-ILS/xul/staff_client/components/forceexternal.js

   1 Components.utils.import("resource://gre/modules/XPCOMUtils.jsm");
   2
   3 // This content policy component tries to prevent outside sites from getting xulG hooks
   4 // It does so by forcing them to open outside of Evergreen
   5
   6 function oilsForceExternal() {}
   7 oilsForceExternal.prototype = {
   8     classDescription: "OpenILS Force External",
   9     classID:          Components.ID("{D969ED61-DF4C-FA12-A2A6-70AA94C222FB}"),
  10     contractID:       "@mozilla.org/content-policy;1?type=egfe",
  11     _xpcom_categories: [{
  12         category: "content-policy",
  13         entry: "m-egfe"
  14     }],
  15     QueryInterface:   XPCOMUtils.generateQI([Components.interfaces.nsIContentPolicy]),
  16     shouldLoad: function(contentType, contentLocation, requestOrigin, node, mimeTypeGuess, extra)
  17     {
  18         if ((contentType == Components.interfaces.nsIContentPolicy.TYPE_DOCUMENT || contentType == Components.interfaces.nsIContentPolicy.TYPE_SUBDOCUMENT)
  19           && (contentLocation.scheme == 'http' || contentLocation.scheme == 'https')
  20           && node && node.getAttribute('oils_force_external') == 'true') {
  21             var data_cache = Components.classes["@open-ils.org/openils_data_cache;1"].getService().wrappedJSObject.data;
  22             var host = data_cache.server_unadorned;
  23             if(host && contentLocation.host != host) {
  24                 // first construct an nsIURI object using the ioservice
  25                 var ioservice = Components.classes["@mozilla.org/network/io-service;1"]
  26                                 .getService(Components.interfaces.nsIIOService);
  27
  28                 var uriToOpen = ioservice.newURI(contentLocation.spec, null, null);
  29
  30                 var extps = Components.classes["@mozilla.org/uriloader/external-protocol-service;1"]
  31                             .getService(Components.interfaces.nsIExternalProtocolService);
  32
  33                 // now, open it!
  34                 extps.loadURI(uriToOpen, null);
  35
  36                 return Components.interfaces.nsIContentPolicy.REJECT_REQUEST;
  37             }
  38         }
  39         return Components.interfaces.nsIContentPolicy.ACCEPT;
  40     },
  41
  42     shouldProcess: function(contentType, contentLocation, requestOrigin, insecNode, mimeType, extra)
  43     {
  44         return Components.interfaces.nsIContentPolicy.ACCEPT;
  45     },
  46 };
  47
  48 if (XPCOMUtils.generateNSGetFactory)
  49     var NSGetFactory = XPCOMUtils.generateNSGetFactory([oilsForceExternal]);
  50 else
  51     var NSGetModule = XPCOMUtils.generateNSGetModule([oilsForceExternal]);
  52