private async void downloadAndDisplayAllReleaseNotes(AppCastItem[] items, AppCastItem latestVersion, string initialHTML)
{
_sparkle.LogWriter.PrintMessage("Preparing to initialize release notes...");
StringBuilder sb = new StringBuilder(initialHTML);
foreach (AppCastItem castItem in items)
{
_sparkle.LogWriter.PrintMessage("Initializing release notes for {0}", castItem.Version);
// TODO: could we optimize this by doing multiple downloads at once?
var releaseNotes = await GetReleaseNotes(castItem);
sb.Append(string.Format(_separatorTemplate,
castItem.Version,
castItem.PublicationDate.ToString("D"), // was dd MMM yyyy
releaseNotes,
latestVersion.Version.Equals(castItem.Version) ? "#ABFF82" : "#AFD7FF"));
}
sb.Append("</body>");
string fullHTML = sb.ToString();
ReleaseNotesBrowser.Invoke((MethodInvoker) delegate
{
// see https://stackoverflow.com/a/15209861/3938401
ReleaseNotesBrowser.Navigate("about:blank");
ReleaseNotesBrowser.Document.OpenNew(true);
ReleaseNotesBrowser.Document.Write(fullHTML);
ReleaseNotesBrowser.DocumentText = fullHTML;
});
_sparkle.LogWriter.PrintMessage("Done initializing release notes!");
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="item">The appcast item to use</param>
/// <param name="applicationIcon">Your application Icon</param>
public DownloadProgressWindow(AppCastItem item, Icon applicationIcon)
{
InitializeComponent();
imgAppIcon.Image = applicationIcon.ToBitmap();
Icon = applicationIcon;
// init ui
btnInstallAndReLaunch.Visible = false;
lblHeader.Text = lblHeader.Text.Replace("APP", item.AppName + " " + item.Version);
downloadProgressLbl.Text = "";
progressDownload.Maximum = 100;
progressDownload.Minimum = 0;
progressDownload.Step = 1;
FormClosing += DownloadProgressWindow_FormClosing;
}
/// <summary>
/// Create download progress window
/// </summary>
/// <param name="item">Appcast item to download</param>
/// <param name="applicationIcon">Application icon to use</param>
public virtual IDownloadProgress CreateProgressWindow(AppCastItem item, Icon applicationIcon)
{
return(new DownloadProgressWindow(item, applicationIcon));
}
/// <summary>
/// Form constructor for showing release notes.
/// </summary>
/// <param name="sparkle">The <see cref="Sparkle"/> instance to use</param>
/// <param name="items">List of updates to show. Should contain at least one item.</param>
/// <param name="applicationIcon">The icon to display</param>
/// <param name="isUpdateAlreadyDownloaded">If true, make sure UI text shows that the user is about to install the file instead of download it.</param>
/// <param name="separatorTemplate">HTML template for every single note. Use {0} = Version. {1} = Date. {2} = Note Body</param>
/// <param name="headAddition">Additional text they will inserted into HTML Head. For Stylesheets.</param>
public UpdateAvailableWindow(Sparkle sparkle, AppCastItem[] items, Icon applicationIcon = null, bool isUpdateAlreadyDownloaded = false,
string separatorTemplate = "", string headAddition = "")
{
_sparkle = sparkle;
_updates = items;
_separatorTemplate =
!string.IsNullOrEmpty(separatorTemplate) ?
separatorTemplate :
"<div style=\"border: #ccc 1px solid;\"><div style=\"background: {3}; padding: 5px;\"><span style=\"float: right; display:float;\">" +
"{1}</span>{0}</div><div style=\"padding: 5px;\">{2}</div></div><br>";
InitializeComponent();
// init ui
try
{
ReleaseNotesBrowser.AllowWebBrowserDrop = false;
ReleaseNotesBrowser.AllowNavigation = false;
}
catch (Exception ex)
{
_sparkle.LogWriter.PrintMessage("Error in browser init: {0}", ex.Message);
}
AppCastItem item = items.FirstOrDefault();
lblHeader.Text = lblHeader.Text.Replace("APP", item != null ? item.AppName : "the application");
if (item != null)
{
lblInfoText.Text = lblInfoText.Text.Replace("APP", item.AppName + " " + item.Version);
var versionString = "";
try
{
// Use try/catch since Version constructor can throw an exception and we don't want to
// die just because the user has a malformed version string
Version versionObj = new Version(item.AppVersionInstalled);
versionString = Utilities.GetVersionString(versionObj);
}
catch
{
versionString = "";
}
lblInfoText.Text = lblInfoText.Text.Replace("OLDVERSION", versionString);
}
else
{
// TODO: string translations (even though I guess this window should never be called with 0 app cast items...)
lblInfoText.Text = "Would you like to [DOWNLOAD] it now?";
}
lblInfoText.Text = lblInfoText.Text.Replace("[DOWNLOAD]", isUpdateAlreadyDownloaded ? "install" : "download");
AppCastItem latestVersion = items.OrderByDescending(p => p.Version).FirstOrDefault();
string initialHTML = "<html><head><meta http-equiv='Content-Type' content='text/html;charset=UTF-8'>" + headAddition + "</head><body>";
ReleaseNotesBrowser.DocumentText = initialHTML + "<p><em>Loading release notes...</em></p></body></html>";
bool isUserMissingCriticalUpdate = false;
foreach (AppCastItem castItem in items)
{
isUserMissingCriticalUpdate = isUserMissingCriticalUpdate | castItem.IsCriticalUpdate;
}
buttonRemind.Enabled = isUserMissingCriticalUpdate == false;
skipButton.Enabled = isUserMissingCriticalUpdate == false;
//if (isUserMissingCriticalUpdate)
//{
// FormClosing += UpdateAvailableWindow_FormClosing; // no closing a critical update!
//}
if (applicationIcon != null)
{
imgAppIcon.Image = new Icon(applicationIcon, new Size(48, 48)).ToBitmap();
Icon = applicationIcon;
}
EnsureDialogShown();
_cancellationTokenSource = new CancellationTokenSource();
_cancellationToken = _cancellationTokenSource.Token;
downloadAndDisplayAllReleaseNotes(items, latestVersion, initialHTML);
}
private async Task <string> GetReleaseNotes(AppCastItem item)
{
string criticalUpdate = item.IsCriticalUpdate ? "Critical Update" : "";
// at first try to use embedded description
if (!string.IsNullOrEmpty(item.Description))
{
// check for markdown
Regex containsHtmlRegex = new Regex(@"<\s*([^ >]+)[^>]*>.*?<\s*/\s*\1\s*>");
if (containsHtmlRegex.IsMatch(item.Description))
{
if (item.IsCriticalUpdate)
{
item.Description = "<p><em>" + criticalUpdate + "</em></p>" + "<br>" + item.Description;
}
return(item.Description);
}
else
{
var md = new MarkdownSharp.Markdown();
if (item.IsCriticalUpdate)
{
item.Description = "*" + criticalUpdate + "*" + "\n\n" + item.Description;
}
var temp = md.Transform(item.Description);
return(temp);
}
}
// not embedded so try to release notes from the link
if (string.IsNullOrEmpty(item.ReleaseNotesLink))
{
return(null);
}
// download release notes
_sparkle.LogWriter.PrintMessage("Downloading release notes for {0} at {1}", item.Version, item.ReleaseNotesLink);
string notes = await DownloadReleaseNotes(item.ReleaseNotesLink, _cancellationToken);
_sparkle.LogWriter.PrintMessage("Done downloading release notes for {0}", item.Version);
if (string.IsNullOrEmpty(notes))
{
return(null);
}
// check dsa of release notes
if (!string.IsNullOrEmpty(item.ReleaseNotesDSASignature))
{
if (_sparkle.DSAChecker.VerifyDSASignatureOfString(item.ReleaseNotesDSASignature, notes) == ValidationResult.Invalid)
{
return(null);
}
}
// process release notes
var extension = Path.GetExtension(item.ReleaseNotesLink);
if (extension != null && MarkDownExtension.Contains(extension.ToLower()))
{
try
{
var md = new MarkdownSharp.Markdown();
if (item.IsCriticalUpdate)
{
notes = "*" + criticalUpdate + "*" + "\n\n" + notes;
}
notes = md.Transform(notes);
}
catch (Exception ex)
{
_sparkle.LogWriter.PrintMessage("Error parsing Markdown syntax: {0}", ex.Message);
}
}
return(notes);
}
private void Parse(XmlReader reader)
{
const string itemNode = "item";
const string enclosureNode = "enclosure";
const string sparkleEnclosureNode = "sparkle:enclosure";
const string releaseNotesLinkNode = "sparkle:releaseNotesLink";
const string descriptionNode = "description";
const string versionAttribute = "sparkle:version";
const string dsaSignature = "sparkle:dsaSignature";
const string criticalAttribute = "sparkle:criticalUpdate";
const string operatingSystemAttribute = "sparkle:os";
const string lengthAttribute = "length";
const string typeAttribute = "type";
const string urlAttribute = "url";
const string pubDateNode = "pubDate";
AppCastItem currentItem = null;
while (reader.Read())
{
if (reader.NodeType == XmlNodeType.Element)
{
switch (reader.Name)
{
case itemNode:
currentItem = new AppCastItem()
{
AppVersionInstalled = _config.InstalledVersion,
AppName = _config.ApplicationName,
UpdateSize = 0,
IsCriticalUpdate = false,
OperatingSystemString = "windows",
MIMEType = "application/octet-stream"
};
break;
case releaseNotesLinkNode:
if (currentItem != null)
{
currentItem.ReleaseNotesDSASignature = reader.GetAttribute(dsaSignature);
currentItem.ReleaseNotesLink = reader.ReadString().Trim();
}
break;
case descriptionNode:
if (currentItem != null)
{
currentItem.Description = reader.ReadString().Trim();
}
break;
case enclosureNode:
case sparkleEnclosureNode:
if (currentItem != null)
{
currentItem.Version = reader.GetAttribute(versionAttribute);
currentItem.DownloadLink = reader.GetAttribute(urlAttribute);
currentItem.DownloadDSASignature = reader.GetAttribute(dsaSignature);
string length = reader.GetAttribute(lengthAttribute);
if (length != null)
{
int size = 0;
if (int.TryParse(length, out size))
{
currentItem.UpdateSize = size;
}
else
{
currentItem.UpdateSize = 0;
}
}
bool isCritical = false;
string critical = reader.GetAttribute(criticalAttribute);
if (critical != null && critical == "true" || critical == "1")
{
isCritical = true;
}
currentItem.IsCriticalUpdate = isCritical;
string operatingSystem = reader.GetAttribute(operatingSystemAttribute);
if (operatingSystem != null && operatingSystem != "")
{
currentItem.OperatingSystemString = operatingSystem;
}
string mimeType = reader.GetAttribute(typeAttribute);
if (mimeType != null && mimeType != "")
{
currentItem.MIMEType = mimeType;
}
}
break;
case pubDateNode:
if (currentItem != null)
{
string dt = reader.ReadString().Trim();
try
{
currentItem.PublicationDate = DateTime.ParseExact(dt, "ddd, dd MMM yyyy HH:mm:ss zzz", System.Globalization.CultureInfo.InvariantCulture);
}
catch (FormatException ex)
{
_logWriter.PrintMessage("Cannot parse item datetime {0} with message {1}", dt, ex.Message);
}
}
break;
}
}
else if (reader.NodeType == XmlNodeType.EndElement)
{
switch (reader.Name)
{
case itemNode:
_items.Add(currentItem);
break;
}
}
}
// sort versions in reverse order
_items.Sort((item1, item2) => - 1 * item1.CompareTo(item2));
}
private void Parse(XmlReader reader)
{
const string itemNode = "item";
const string enclosureNode = "enclosure";
const string sparkleEnclosureNode = "sparkle:enclosure";
const string releaseNotesLinkNode = "sparkle:releaseNotesLink";
const string descriptionNode = "description";
const string versionAttribute = "sparkle:version";
const string dsaSignature = "sparkle:dsaSignature";
const string criticalAttribute = "sparkle:criticalUpdate";
const string operatingSystemAttribute = "sparkle:os";
const string lengthAttribute = "length";
const string typeAttribute = "type";
const string urlAttribute = "url";
const string pubDateNode = "pubDate";
AppCastItem currentItem = null;
while (reader.Read())
{
if (reader.NodeType == XmlNodeType.Element)
{
switch (reader.Name)
{
case itemNode:
currentItem = new AppCastItem()
{
AppVersionInstalled = _config.InstalledVersion,
AppName = _config.ApplicationName,
UpdateSize = 0,
IsCriticalUpdate = false,
OperatingSystemString = "windows",
MIMEType = "application/octet-stream"
};
break;
case releaseNotesLinkNode:
if (currentItem != null)
{
currentItem.ReleaseNotesDSASignature = reader.GetAttribute(dsaSignature);
currentItem.ReleaseNotesLink = reader.ReadString().Trim();
}
break;
case descriptionNode:
if (currentItem != null)
{
currentItem.Description = reader.ReadString().Trim();
}
break;
case enclosureNode:
case sparkleEnclosureNode:
if (currentItem != null)
{
currentItem.Version = reader.GetAttribute(versionAttribute);
currentItem.DownloadLink = reader.GetAttribute(urlAttribute);
if (!string.IsNullOrEmpty(currentItem.DownloadLink) && !currentItem.DownloadLink.Contains("/"))
{
// Download link contains only the filename -> complete with _castUrl
currentItem.DownloadLink = _castUrl.Substring(0, _castUrl.LastIndexOf('/') + 1) + currentItem.DownloadLink;
}
currentItem.DownloadDSASignature = reader.GetAttribute(dsaSignature);
string length = reader.GetAttribute(lengthAttribute);
if (length != null)
{
int size = 0;
if (int.TryParse(length, out size))
{
currentItem.UpdateSize = size;
}
else
{
currentItem.UpdateSize = 0;
}
}
bool isCritical = false;
string critical = reader.GetAttribute(criticalAttribute);
if (critical != null && critical == "true" || critical == "1")
{
isCritical = true;
}
currentItem.IsCriticalUpdate = isCritical;
string operatingSystem = reader.GetAttribute(operatingSystemAttribute);
if (operatingSystem != null && operatingSystem != "")
{
currentItem.OperatingSystemString = operatingSystem;
}
string mimeType = reader.GetAttribute(typeAttribute);
if (mimeType != null && mimeType != "")
{
currentItem.MIMEType = mimeType;
}
}
break;
case pubDateNode:
if (currentItem != null)
{
// "ddd, dd MMM yyyy HH:mm:ss zzz" => Standard date format
// e.g. "Sat, 26 Oct 2019 22:05:11 -05:00"
// "ddd, dd MMM yyyy HH:mm:ss Z" => Check for MS AppCenter Sparkle date format which ends with GMT
// e.g. "Sat, 26 Oct 2019 22:05:11 GMT"
// "ddd, dd MMM yyyy HH:mm:ss" => Standard date format with no timezone (fallback)
// e.g. "Sat, 26 Oct 2019 22:05:11"
string[] formats = { "ddd, dd MMM yyyy HH:mm:ss zzz", "ddd, dd MMM yyyy HH:mm:ss Z", "ddd, dd MMM yyyy HH:mm:ss" };
string dt = reader.ReadString().Trim();
if (DateTime.TryParseExact(dt, formats, System.Globalization.CultureInfo.InvariantCulture, DateTimeStyles.None, out DateTime dateValue))
{
_logWriter.PrintMessage("Converted '{0}' to {1}.", dt, dateValue);
currentItem.PublicationDate = dateValue;
}
else
{
_logWriter.PrintMessage("Cannot parse item datetime {0}", dt);
}
}
break;
}
}
else if (reader.NodeType == XmlNodeType.EndElement)
{
switch (reader.Name)
{
case itemNode:
_items.Add(currentItem);
break;
}
}
}
// sort versions in reverse order
_items.Sort((item1, item2) => - 1 * item1.CompareTo(item2));
}
/// <summary>
/// Form constructor
/// </summary>
/// <param name="sparkle">The <see cref="Sparkle"/> instance to use</param>
/// <param name="items">List of updates to show</param>
/// <param name="applicationIcon">The icon to display</param>
/// <param name="isUpdateAlreadyDownloaded">If true, make sure UI text shows that the user is about to install the file instead of download it.</param>
/// <param name="separatorTemplate">HTML template for every single note. Use {0} = Version. {1} = Date. {2} = Note Body</param>
/// <param name="headAddition">Additional text they will inserted into HTML Head. For Stylesheets.</param>
public UpdateAvailableWindow(Sparkle sparkle, AppCastItem[] items, Icon applicationIcon = null, bool isUpdateAlreadyDownloaded = false,
string separatorTemplate = "", string headAddition = "")
{
_sparkle = sparkle;
_updates = items;
SeparatorTemplate =
!string.IsNullOrEmpty(separatorTemplate) ?
separatorTemplate :
"<div style=\"border: #ccc 1px solid;\"><div style=\"background: {3}; padding: 5px;\"><span style=\"float: right; display:float;\">" +
"{1}</span>{0}</div><div style=\"padding: 5px;\">{2}</div></div><br>";
InitializeComponent();
// init ui
try
{
ReleaseNotesBrowser.AllowWebBrowserDrop = false;
ReleaseNotesBrowser.AllowNavigation = false;
}
catch (Exception ex)
{
_sparkle.LogWriter.PrintMessage("Error in browser init: {0}", ex.Message);
}
AppCastItem item = items[0];
lblHeader.Text = lblHeader.Text.Replace("APP", item.AppName);
lblInfoText.Text = lblInfoText.Text.Replace("APP", item.AppName + " " + item.Version);
lblInfoText.Text = lblInfoText.Text.Replace("OLDVERSION", getVersion(new Version(item.AppVersionInstalled)));
lblInfoText.Text = lblInfoText.Text.Replace("[DOWNLOAD]", isUpdateAlreadyDownloaded ? "install" : "download");
if (items.Length == 0)
{
RemoveReleaseNotesControls();
}
else
{
AppCastItem latestVersion = _updates.OrderByDescending(p => p.Version).FirstOrDefault();
StringBuilder sb = new StringBuilder("<html><head><meta http-equiv='Content-Type' content='text/html;charset=UTF-8'>" + headAddition + "</head><body>");
bool isUserMissingCriticalUpdate = false;
foreach (AppCastItem castItem in items)
{
isUserMissingCriticalUpdate = isUserMissingCriticalUpdate | castItem.IsCriticalUpdate;
sb.Append(string.Format(SeparatorTemplate,
castItem.Version,
castItem.PublicationDate.ToString("dd MMM yyyy"),
GetReleaseNotes(castItem),
latestVersion.Version.Equals(castItem.Version) ? "#ABFF82" : "#AFD7FF"));
}
sb.Append("</body>");
string releaseNotes = sb.ToString();
ReleaseNotesBrowser.DocumentText = releaseNotes;
buttonRemind.Enabled = isUserMissingCriticalUpdate == false;
skipButton.Enabled = isUserMissingCriticalUpdate == false;
//if (isUserMissingCriticalUpdate)
//{
// FormClosing += UpdateAvailableWindow_FormClosing; // no closing a critical update!
//}
}
if (applicationIcon != null)
{
imgAppIcon.Image = new Icon(applicationIcon, new Size(48, 48)).ToBitmap();
Icon = applicationIcon;
}
EnsureDialogShown();
}