/// <summary>
/// Executes the actual download (determines the URL to download from). Does not handle exceptions,
/// but takes care of proper cleanup.
/// </summary>
/// <param name="job">The job to process</param>
/// <param name="requestedUrl">The URL from which has been downloaded</param>
/// <returns>true, if a new update has been found and downloaded, false otherwise</returns>
protected Status DoDownload(ApplicationJob job, out string requestedUrl)
{
string downloadUrl;
if (job.DownloadSourceType == ApplicationJob.SourceType.FileHippo)
{
downloadUrl = ExternalServices.FileHippoDownloadUrl(job.FileHippoId, job.AvoidDownloadBeta);
}
else
{
downloadUrl = job.FixedDownloadUrl;
// Now replace variables
downloadUrl = job.Variables.ReplaceAllInString(downloadUrl);
}
requestedUrl = downloadUrl;
if (string.IsNullOrEmpty(downloadUrl))
{
// No download URL specified, only check if update is required
if (job.RequiresDownload(null, null))
{
return(Status.UpdateAvailable);
}
return(Status.NoUpdate);
}
Uri url = new Uri(downloadUrl);
return(this.DoDownload(job, url));
}
/// <summary>
/// Executes the actual download (determines the URL to download from). Does not handle exceptions,
/// but takes care of proper cleanup.
/// </summary>
/// <param name="job">The job to process</param>
/// <param name="requestedUrl">The URL from which has been downloaded</param>
/// <returns>true, if a new update has been found and downloaded, false otherwise</returns>
protected Status DoDownload(ApplicationJob job, out string requestedUrl)
{
// Lower security policies
try
{
ServicePointManager.CheckCertificateRevocationList = false;
}
catch (PlatformNotSupportedException)
{
// .NET bug under special circumstances
}
ServicePointManager.ServerCertificateValidationCallback = delegate {
return(true);
};
ServicePointManager.SecurityProtocol = DefaultHttpProtocols;
// If we want to download multiple files simultaneously
// from the same server, we need to "remove" the connection limit.
ServicePointManager.DefaultConnectionLimit = 50;
string downloadUrl;
if (job.DownloadSourceType == ApplicationJob.SourceType.FileHippo)
{
downloadUrl = ExternalServices.FileHippoDownloadUrl(job.FileHippoId, job.AvoidDownloadBeta);
}
else
{
downloadUrl = job.FixedDownloadUrl;
// Now replace variables
downloadUrl = job.Variables.ReplaceAllInString(downloadUrl);
}
requestedUrl = downloadUrl;
if (string.IsNullOrEmpty(downloadUrl))
{
// No download URL specified, only check if update is required
if (job.RequiresDownload(null, null))
{
return(Status.UpdateAvailable);
}
return(Status.NoUpdate);
}
Uri url = new Uri(downloadUrl);
return(this.DoDownload(job, url));
}
