public static void DownloadImages(string[] urls, string username, ImageQuality quality)
{
if (urls.Length == 0)
{
return;
}
string firstImageLink = GetMediaLink(urls[0], quality);
int qualityIndex = firstImageLink.IndexOf(':', firstImageLink.LastIndexOf('/'));
string file = GetImageFileName(firstImageLink);
string ext = Path.GetExtension(file); // includes dot
string[] fileNameParts = qualityIndex == -1 ? new string[] {
Path.ChangeExtension(file, null)
} : new string[] {
username,
Path.ChangeExtension(file, null),
firstImageLink.Substring(qualityIndex + 1)
};
using (SaveFileDialog dialog = new SaveFileDialog {
AutoUpgradeEnabled = true,
OverwritePrompt = urls.Length == 1,
Title = "Save image",
FileName = $"{string.Join(" ", fileNameParts.Where(part => part.Length > 0))}{ext}",
Filter = (urls.Length == 1 ? "Image" : "Images") + (string.IsNullOrEmpty(ext) ? " (unknown)|*.*" : $" (*{ext})|*{ext}")
}){
if (dialog.ShowDialog() == DialogResult.OK)
{
void OnFailure(Exception ex)
{
FormMessage.Error("Image Download", "An error occurred while downloading the image: " + ex.Message, FormMessage.OK);
}
if (urls.Length == 1)
{
BrowserUtils.DownloadFileAsync(firstImageLink, dialog.FileName, null, OnFailure);
}
else
{
string pathBase = Path.ChangeExtension(dialog.FileName, null);
string pathExt = Path.GetExtension(dialog.FileName);
for (int index = 0; index < urls.Length; index++)
{
BrowserUtils.DownloadFileAsync(GetMediaLink(urls[index], quality), $"{pathBase} {index+1}{pathExt}", null, OnFailure);
}
}
}
}
}
public static void DownloadVideo(string url, string username)
{
string filename = BrowserUtils.GetFileNameFromUrl(url);
string ext = Path.GetExtension(filename);
using (SaveFileDialog dialog = new SaveFileDialog {
AutoUpgradeEnabled = true,
OverwritePrompt = true,
Title = "Save Video",
FileName = string.IsNullOrEmpty(username) ? filename : $"{username} {filename}".TrimStart(),
Filter = "Video" + (string.IsNullOrEmpty(ext) ? " (unknown)|*.*" : $" (*{ext})|*{ext}")
}){
if (dialog.ShowDialog() == DialogResult.OK)
{
DownloadFileAuth(url, dialog.FileName, null, ex => {
FormMessage.Error("Video Download", "An error occurred while downloading the video: " + ex.Message, FormMessage.OK);
});
}
}
}
private static void DownloadFileAuth(string url, string target, Action onSuccess, Action <Exception> onFailure)
{
const string AuthCookieName = "auth_token";
TaskScheduler scheduler = TaskScheduler.FromCurrentSynchronizationContext();
using (ICookieManager cookies = Cef.GetGlobalCookieManager()){
cookies.VisitUrlCookiesAsync(url, true).ContinueWith(task => {
string cookieStr = null;
if (task.Status == TaskStatus.RanToCompletion)
{
Cookie found = task.Result?.Find(cookie => cookie.Name == AuthCookieName); // the list may be null
if (found != null)
{
cookieStr = $"{found.Name}={found.Value}";
}
}
BrowserUtils.DownloadFileAsync(url, target, cookieStr, onSuccess, onFailure);
}, scheduler);
}
}
public static string GetImageFileName(string url)
{
return(BrowserUtils.GetFileNameFromUrl(ExtractMediaBaseLink(url)));
}
