void LogLevel_OnSelectionChanged(object sender, RoutedEventArgs e)
{
ComboBox logCombo = sender as ComboBox;
if (logCombo != null)
{
theBackendData.WriteLog("log_level combo selected\n", eid_vwr_loglevel.EID_VWR_LOG_DETAIL);
switch (logCombo.SelectedIndex)
{
//only save changes if they are not set yet (this event also gets fired during initialization)
case 0:
if (theBackendData.log_level != eid_vwr_loglevel.EID_VWR_LOG_ERROR)
{
theBackendData.log_level = eid_vwr_loglevel.EID_VWR_LOG_ERROR;
theBackendData.StoreViewerLogLevel("Error");
theBackendData.WriteLog("switched log_level to Error\n", eid_vwr_loglevel.EID_VWR_LOG_NORMAL);
}
break;
case 1:
if (theBackendData.log_level != eid_vwr_loglevel.EID_VWR_LOG_COARSE)
{
theBackendData.log_level = eid_vwr_loglevel.EID_VWR_LOG_COARSE;
theBackendData.StoreViewerLogLevel("Warning");
theBackendData.WriteLog("switched log_level to Warning\n", eid_vwr_loglevel.EID_VWR_LOG_NORMAL);
}
break;
case 2:
if (theBackendData.log_level != eid_vwr_loglevel.EID_VWR_LOG_NORMAL)
{
theBackendData.log_level = eid_vwr_loglevel.EID_VWR_LOG_NORMAL;
theBackendData.StoreViewerLogLevel("Info");
theBackendData.WriteLog("switched log_level to Info\n", eid_vwr_loglevel.EID_VWR_LOG_NORMAL);
}
break;
case 3:
if (theBackendData.log_level != eid_vwr_loglevel.EID_VWR_LOG_DETAIL)
{
theBackendData.log_level = eid_vwr_loglevel.EID_VWR_LOG_DETAIL;
theBackendData.StoreViewerLogLevel("Debug");
theBackendData.WriteLog("switched log_level to Debug\n", eid_vwr_loglevel.EID_VWR_LOG_NORMAL);
}
break;
default:
{
theBackendData.WriteLog("invalid index of log_level combo selected\n", eid_vwr_loglevel.EID_VWR_LOG_COARSE);
break;
}
}
}
}
/*
*
* <beid>
* <OS name="windows">
* <comp name="eid-viewer">
* <latest-version major="5" minor="1" build="20">
* <latest-url url = "https://eid.belgium.be/" url_nl = "https://eid.belgium.be/nl" url_fr = "https://eid.belgium.be/fr" url_de = "https://eid.belgium.be/de" url_en = "https://eid.belgium.be/en"/>
* <release-notes url = "https://eid.belgium.be/sites/default/files/software/RN5020.pdf"/>
* <auto-upgrade-versions>
* <auto-upgrade-version>
* <min major="5" minor="0" build="6"/>
* <max major="5" minor="0" build="8"/>
* </auto-upgrade-version>
* <auto-upgrade-version>
* <min major="5" minor="0" build="10"/>
* <max major="5" minor="2" build="16"/>
* </auto-upgrade-version>
* </auto-upgrade-versions>
* </latest-version>
* <latest-supported-OS>
* <oldOS version = "6.1">
* <oldOS-latest-version major="4" minor="4" build="20">
* <oldOS-latest-url url = "https://eid.belgium.be/" url_nl = "https://eid.belgium.be/nl" url_fr = "https://eid.belgium.be/fr" url_de = "https://eid.belgium.be/de" url_en = "https://eid.belgium.be/en"/>
* <oldOS-release-notes url = "https://eid.belgium.be/sites/default/files/software/RN4420.pdf"/>
* </oldOS-latest-version>
*
* </oldOS>
* <oldOS version = "6.2">
* <oldOS-latest-version major="5" minor="1" build="2">
* <oldOS-latest-url url = "https://eid.belgium.be/" url_nl = "https://eid.belgium.be/nl" url_fr = "https://eid.belgium.be/fr" url_de = "https://eid.belgium.be/de" url_en = "https://eid.belgium.be/en"/>
* <oldOS-release-notes url = "https://eid.belgium.be/sites/default/files/software/RN502.pdf"/>
* </oldOS-latest-version>
* </oldOS>
* </latest-supported-OS>
* </eid-viewer>
* </OS>
* <OS name="macOS">
* </OS>
* </beid>
*
* */
public static bool getUpdateUrl(out bool updateNeeded, string lang, ref string url, ref string releaseNotes)
{
XmlTextReader textReader = new XmlTextReader("https://eid.belgium.be/sites/default/files/software/eidversions.xml");
updateNeeded = false;
bool keepParsing = true;
url = "";
try
{
//jump to the <OS name="windows"> section
if (!jumpToSubElement(ref textReader, "OS", "name", "windows", "beid"))
{
return(false);
}
//in the windows section, jump to the <comp name="eid-viewer"> section
if (!jumpToSubElement(ref textReader, "comp", "name", "eid-viewer", "beid"))
{
return(false);
}
//within the <OS name="windows"> <comp name="eid-viewer"> element, search for the subelements <latest-version> and <latest-supported-OS>
//walk trough all the nodes
while (textReader.Read() && keepParsing)
{
switch (textReader.NodeType)
{
case XmlNodeType.Element:
//check if this viewer's version is within the update range
//do not return when done, if the OS this viewer is running on is part of the latest-supported-OS,
//a different update (or none) is required
if (String.Equals(textReader.Name, "latest-version", StringComparison.Ordinal))
{
//get the latest version number from the attributes
//if this one equals the current version, stop parsing
if (CompareXMLToCurrentVersion(ref textReader) > 0)
{
//there is a higher version number present, now fill in all data from the xml (url, release_notes)
//verify if our version number is within an auto update range
while (textReader.Read() && keepParsing)
{
switch (textReader.NodeType)
{
case XmlNodeType.Element:
//parse the multiple version ranges
if (String.Equals(textReader.Name, "latest-url", StringComparison.Ordinal))
{
//check if this element contains the url attribute, if so, store it in the url string
CheckAttributeValue(ref textReader, "url_" + lang, ref url);
//if no url of this viewer's language is specified, try getting the default url
if (url.Equals(""))
{
CheckAttributeValue(ref textReader, "url", ref url);
}
}
else if (String.Equals(textReader.Name, "release-notes", StringComparison.Ordinal))
{
//check if this element contains the url attribute, if so, store it in the url string
CheckAttributeValue(ref textReader, "url", ref releaseNotes);
}
//parse the multiple version ranges
else if (String.Equals(textReader.Name, "auto-upgrade-versions", StringComparison.Ordinal))
{
if (InAutoUpgradeVersions(ref textReader))
{
updateNeeded = true;
}
}
break;
case XmlNodeType.EndElement:
//stop at the end of this sub-element ("latest-version")
if (String.Equals(textReader.Name, "latest-version", StringComparison.Ordinal))
{
keepParsing = false;
}
break;
default:
break;
}
}
//do not drop out of the outer while loop
keepParsing = true;
}
else
{
//no need to update (no newer version) , no error
return(true);
}
}
/*currently we do not support this feature, due to the items below
*
* //wait till you find the "OS" tag with the currentOS attribute
* //beware, below .Net 5.0, Environment.OSversion may be wrong when running in Windows compatibility mode,
* //also needs a manual manifest file in order to use deprecated version checks (to distinguish versions above 6.2)
* //this feature is currently unused in the xml file, and no old release section currently exists on eid.belgium.be
*
* else if (String.Equals(textReader.Name, "latest-supported-OS", StringComparison.Ordinal))
* {
* string OSversion = Environment.OSVersion.Version.Major.ToString() + "." + Environment.OSVersion.Version.Minor.ToString();
*
* //within the <OS name="windows"> <comp name="eid-viewer"> <latest-supported-OS> element
* //try to find sub element version, stop searching when closing element "latest-supported-OS" is reached
* if (jumpToSubElement(ref textReader, "oldOS", "version", OSversion, "latest-supported-OS"))
* {
* if (jumpToSubElement(ref textReader, "oldOS-latest-version", "oldOS"))
* {
* //we found an "oldOS-latest-version" section for the current running OS (meaning this OS is no longer supported in the latest online version)
* //this means we need to ignore all data outside this section (urls, update needed, etc..)
* updateNeeded = false;
* url = "";
* releaseNotes = "";
*
* //check if a higher version is available for this OS specifically (latest supported version for this OS)
* if (CompareXMLToCurrentVersion(ref textReader) > 0)
* {
* updateNeeded = true;
*
* //parse the oldOS subsection
* while (textReader.Read() && keepParsing)
* {
* switch (textReader.NodeType)
* {
* case XmlNodeType.Element:
* if (String.Equals(textReader.Name, "oldOS-latest-url", StringComparison.Ordinal))
* {
* //check if this element contains the url attribute, if so, store it in the url string
* CheckAttributeValue(ref textReader, "url_" + lang, ref url);
* //if no url of this viewer's language is specified, try getting the default url
* if (url.Equals(""))
* {
* CheckAttributeValue(ref textReader, "url", ref url);
* }
* }
* else if (String.Equals(textReader.Name, "oldOS-release-notes", StringComparison.Ordinal))
* {
* //check if this element contains the url attribute, if so, store it in the url string
* CheckAttributeValue(ref textReader, "url", ref releaseNotes);
* }
* break;
*
* case XmlNodeType.EndElement:
* //stop at the end of this sub-element ("latest-version")
* if (String.Equals(textReader.Name, "oldOS-latest-version", StringComparison.Ordinal))
* {
* keepParsing = false;
* }
* break;
* default:
* break;
* }
* }
* }
* //we can stop parsing the entire xml file, as we have parsed a "oldOS-latest-version" section for this OS
* keepParsing = false;
* }
* }
* }
*/
break;
case XmlNodeType.EndElement:
//when we reach the end of the "OS" Windows section, no use to keep parsing the macOS and linux sections
if (String.Equals(textReader.Name, "OS", StringComparison.Ordinal))
{
keepParsing = false;
}
break;
default:
break;
}
}
}
catch (System.Xml.XmlException e)
{
eIDViewer.BackendDataViewModel theBackendData = (BackendDataViewModel)(App.Current.Resources["eIDViewerBackendObj"]);
theBackendData.WriteLog("error parsing xml version file: \n", eid_vwr_loglevel.EID_VWR_LOG_NORMAL);
theBackendData.WriteLog(e.ToString() + "\n", eid_vwr_loglevel.EID_VWR_LOG_DETAIL);
return(false); //xml corrupt?
}
catch
{
return(false); //xml corrupt?
}
return(true); //no error
}
void Perform_Version_Check(bool showMessages)
{
try
{
Popup myPopup = new Popup();
myPopup.IsOpen = true;
//do not log explicit when no messages should be shown to user (i.e. during auto version check)
eid_vwr_loglevel errorLevel = eid_vwr_loglevel.EID_VWR_LOG_NORMAL;
string url = "";
string releaseNotes = "";
if (showMessages)
{
errorLevel = eid_vwr_loglevel.EID_VWR_LOG_ERROR;
}
theBackendData.WriteLog("starting the online version check..\n", eid_vwr_loglevel.EID_VWR_LOG_NORMAL);
string language = CultureInfo.CurrentUICulture.TwoLetterISOLanguageName.ToString();
if (!Version.getUpdateUrl(out bool updateNeeded, language, ref url, ref releaseNotes))
{
//no updated version found, report this in the log
theBackendData.WriteLog("failed to check for online update\n", errorLevel);
ShowErrorMessage(showMessages);
return;
}
if (updateNeeded)
{
if (url == "")
{
theBackendData.WriteLog("A newer version of the eID Viewer has been found, but not the url to download it\n", eid_vwr_loglevel.EID_VWR_LOG_COARSE);
theBackendData.WriteLog("Newer version should be available at https://eid.belgium.be\n", eid_vwr_loglevel.EID_VWR_LOG_COARSE);
ShowErrorMessage(showMessages);
return;
}
//for safety, we do not accept all urls
else if (url.StartsWith("https://eid.belgium.be"))
{
//xml Version check
string aboutMessage = "\n" + eIDViewer.Resources.ApplicationStringResources.newVersionDownload;
string caption = eIDViewer.Resources.ApplicationStringResources.newVersionDownloadTitle;
MessageBoxResult result = MessageBox.Show(aboutMessage, caption, MessageBoxButton.OKCancel, MessageBoxImage.Information, MessageBoxResult.Cancel);
if (result == MessageBoxResult.OK)
{
try
{
System.Diagnostics.Process.Start(url);
}
catch (Exception ex)
{
theBackendData.WriteLog("Error: Could not start a browser to visit" + url + ex.Message, eid_vwr_loglevel.EID_VWR_LOG_COARSE);
}
}
}
else
{
theBackendData.WriteLog("The url to download the new version did not start with https://eid.belgium.be\n", eid_vwr_loglevel.EID_VWR_LOG_COARSE);
ShowErrorMessage(showMessages);
return;
}
}
else
{
theBackendData.WriteLog("No viewer update is needed\n", eid_vwr_loglevel.EID_VWR_LOG_NORMAL);
if (showMessages)
{
MessageBox.Show(eIDViewer.Resources.ApplicationStringResources.VersionUpToDate, eIDViewer.Resources.ApplicationStringResources.VersionUpToDateTitle, MessageBoxButton.OK, MessageBoxImage.Information);
}
}
}
catch (Exception ex)
{
MessageBox.Show("Error occured during eID Viewer version check" + ex.Message);
}
}