public string ExtractThumbnail()
{
OpenWOPIClientConfiguration configuration = OpenWOPIClientConfiguration.Current;
string tempfile = configuration["cache-location"] + Guid.NewGuid().ToString("N");
using (Stream stream = this.GetDataStream())
{
Package package = Package.Open(stream);
using (Stream s = package.GetPart(new Uri("/docProps/thumbnail.emf", UriKind.RelativeOrAbsolute)).GetStream())
{
using (FileStream fs = new FileStream(tempfile, FileMode.CreateNew))
{
int len = 16384;
byte[] buffer = new byte[len];
int read = s.Read(buffer, 0, len);
while (read > 0)
{
fs.Write(buffer, 0, read);
read = s.Read(buffer, 0, len);
}
}
}
}
return tempfile;
}
public OpenWOPIDiscoveryModel()
{
_zones = new List <OpenWOPIZone>();
OpenWOPIClientConfiguration configuration = OpenWOPIClientConfiguration.Current;
string protocols = configuration["protocols"];
InternalBaseUrl = configuration["internal-url"];
ExternalBaseUrl = configuration["external-url"];
ProofKey = OpenWOPIProofKey.ReadFromConfiguration(configuration);
if (protocols == "http" || protocols == "both")
{
if (!String.IsNullOrEmpty(InternalBaseUrl))
{
_zones.Add(OpenWOPIZone.InternalHttp);
}
if (!String.IsNullOrEmpty(ExternalBaseUrl))
{
_zones.Add(OpenWOPIZone.ExternalHttp);
}
}
if (protocols == "https" || protocols == "both")
{
if (!String.IsNullOrEmpty(InternalBaseUrl))
{
_zones.Add(OpenWOPIZone.InternalHttps);
}
if (!String.IsNullOrEmpty(ExternalBaseUrl))
{
_zones.Add(OpenWOPIZone.ExternalHttps);
}
}
var types = (from assembly in AppDomain.CurrentDomain.GetAssemblies()
from type in assembly.GetTypes()
where (type.GetCustomAttributes(typeof(OpenWOPIAppAttribute), true).Length > 0)
select type).ToList();
List <OpenWOPIApp> apps = new List <OpenWOPIApp>();
foreach (var type in types)
{
apps.Add(new OpenWOPIApp(type));
}
foreach (var zone in _zones)
{
zone.Apps = apps;
}
}