internal static WopiDiscovery FromXmlDocument(XmlDocument discoveryXml)
{
if (discoveryXml?.DocumentElement == null)
{
return(new WopiDiscovery());
}
var wd = new WopiDiscovery();
wd.Zones.AddRange(discoveryXml.DocumentElement?.SelectNodes("net-zone")?.Cast <XmlNode>().Where(zn => zn != null)
.Select(WopiZone.FromXmlNode) ?? new WopiZone[0]);
return(wd);
}
public static object GetWopiData(Content content, string action)
{
if (!(content.ContentHandler is File))
{
throw new SnNotSupportedException("Office Online is not supported for this type of content.");
}
var officeOnlineUrl = Settings.GetValue("OfficeOnline", "OfficeOnlineUrl", content.Path, string.Empty);
if (string.IsNullOrEmpty(officeOnlineUrl))
{
throw new SnNotSupportedException("Office Online Server setting not found.");
}
var wd = WopiDiscovery.GetInstance(officeOnlineUrl);
if (wd == null || !wd.Zones.Any())
{
throw new SnNotSupportedException("Office Online Server not found.");
}
//TODO: handle internal or external zone urls
var wopiApp = wd.Zones["internal-https"]?.GetApp(content.Name, action);
var wopiAction = wopiApp?.Actions.GetAction(action, content.Name);
if (wopiAction == null)
{
throw new SnNotSupportedException($"Office Online action '{action}' is not supported on this content.");
}
// load an existing token or create a new one
var token = AccessTokenVault.GetOrAddToken(User.Current.Id, DefaultTokenTimeout, content.Id,
WopiHandler.AccessTokenFeatureName);
var expiration = Math.Truncate((token.ExpirationDate - new DateTime(1970, 1, 1).ToUniversalTime()).TotalMilliseconds);
return(new Dictionary <string, object>
{
{ "accesstoken", token.Value },
{ "expiration", expiration },
{ "actionUrl", TransformUrl(wopiAction.UrlSrc, content.Id) },
{ "faviconUrl", wopiApp.FaviconUrl }
});
}
internal static (bool?Forbidden, bool?Visible) InitializeInternal(Content context, string actionType, string officeOnlineUrl)
{
if (!(context.ContentHandler is File))
{
return(true, false);
}
if (string.IsNullOrEmpty(officeOnlineUrl))
{
return(true, false);
}
var wd = WopiDiscovery.GetInstance(officeOnlineUrl);
if (wd == null || !wd.Zones.Any())
{
return(true, false);
}
var extension = System.IO.Path.GetExtension(context.Name)?.Trim('.') ?? string.Empty;
if (string.IsNullOrEmpty(extension))
{
return(true, false);
}
var actions = wd.Zones.SelectMany(z => z.Apps).SelectMany(app => app.Actions);
if (!actions.Any(act =>
string.Equals(act.Extension, extension, StringComparison.InvariantCultureIgnoreCase) &&
string.Equals(act.Name, actionType, StringComparison.InvariantCultureIgnoreCase)))
{
return(true, false);
}
return(null, null);
}
/// <summary>
/// For tests.
/// </summary>
internal static void AddInstance(string url, WopiDiscovery discovery)
{
Instances.AddOrUpdate(url.TrimEnd('/'),
oosUrl => new Lazy <WopiDiscovery>(() => discovery),
(oosUrl, current) => new Lazy <WopiDiscovery>(() => discovery));
}
