/// <summary>Raises the <see cref="ObserveHttpModify"/> event.</summary>
/// <param name="e">The data for the event.</param>
protected virtual void OnObserveHttpModifyRequest(GeckoObserveHttpModifyRequestEventArgs e)
{
var evnt = (EventHandler <GeckoObserveHttpModifyRequestEventArgs>)Events[ObserveHttpModifyRequestEvent];
if (evnt != null)
{
evnt(this, e);
}
}
/// <summary>Raises the <see cref="ObserveHttpModify"/> event.</summary>
/// <param name="e">The data for the event.</param>
protected virtual void OnObserveHttpModifyRequest(GeckoObserveHttpModifyRequestEventArgs e)
{
var evnt = ( EventHandler<GeckoObserveHttpModifyRequestEventArgs> ) Events[ ObserveHttpModifyRequestEvent ];
if ( evnt != null ) evnt( this, e );
}
public void Observe(nsISupports aSubject, string aTopic, string aData) {
if (aTopic.Equals(ObserverNotifications.HttpRequests.HttpOnModifyRequest)) {
using (var httpChannel = HttpChannel.Create(aSubject)) {
var origUri = httpChannel.OriginalUri;
var uri = httpChannel.Uri;
var uriRef = httpChannel.Referrer;
var reqMethod = httpChannel.RequestMethod;
var reqHeaders = httpChannel.GetRequestHeaders();
byte[] reqBody = null;
bool? reqBodyContainsHeaders = null;
#region POST data
var uploadChannel = Xpcom.QueryInterface<nsIUploadChannel>(aSubject);
var uploadChannel2 = Xpcom.QueryInterface<nsIUploadChannel2>(aSubject);
if (uploadChannel != null) {
var uc = new UploadChannel(uploadChannel);
var uploadStream = uc.UploadStream;
if (uploadStream != null) {
if (uploadStream.CanSeek) {
var rdr = new BinaryReader(uploadStream);
var reqBodyStream = new MemoryStream();
try {
reqBody = new byte[] { };
int avl = 0;
while ((avl = ((int)uploadStream.Available)) > 0) {
reqBodyStream.Write(rdr.ReadBytes(avl), 0, avl);
}
reqBody = reqBodyStream.ToArray();
if (uploadChannel2 != null)
reqBodyContainsHeaders = uploadChannel2.GetUploadStreamHasHeadersAttribute();
}
catch (IOException ex) {
// failed to read body, ignore
}
// rewind stream, so browser can read it as usual
uploadStream.Seek(0, 0);
}
}
}
#endregion POST data
var evt = new GeckoObserveHttpModifyRequestEventArgs(uri, uriRef, reqMethod, reqBody, reqHeaders, httpChannel, reqBodyContainsHeaders);
OnObserveHttpModifyRequest(evt);
if (evt.Cancel) {
httpChannel.Cancel(nsIHelperAppLauncherConstants.NS_BINDING_ABORTED);
}
}
}
}
