public PDFWriter CreateWriter(Document forDoc, System.IO.Stream outputStream, int generation, PDFTraceLog log)
{
if (null == this.WriterFactory)
{
IDocumentPasswordSettings settings = null;
if (forDoc.PasswordProvider != null && forDoc.PasswordProvider.IsSecure(forDoc.LoadedSource, out settings))
{
this.WriterFactory = GetSecureWriter(forDoc, settings);
}
else if (forDoc.Permissions.HasRestrictions)
{
if (forDoc.ConformanceMode == ParserConformanceMode.Lax)
{
forDoc.TraceLog.Add(TraceLevel.Error, "Writer", "No Password provider has been set on the document, so using a random password for this generation. As a minimum an owner password should be set.");
Guid pass = Guid.NewGuid();
var passS = pass.ToString().Substring(14);
forDoc.PasswordProvider = new Secure.DocumentPasswordProvider(passS);
forDoc.PasswordProvider.IsSecure(forDoc.LoadedSource, out settings);
this.WriterFactory = GetSecureWriter(forDoc, settings);
}
else
{
throw new System.Security.SecurityException("No Password provider has been set on the document, so restrictions cannot be applied. As a minimum an owner password should be set.");
}
}
else
{
this.WriterFactory = GetStandardWriter(forDoc);
}
}
return(this.WriterFactory.GetInstance(forDoc, outputStream, generation, this, log));
}
public static bool TryGetPasswordSettings(string path, out IDocumentPasswordSettings settings)
{
var opts = Scryber.ServiceProvider.GetService <IScryberConfigurationService>();
settings = null;
return(false);
}
protected virtual PDFWriterFactory GetSecureWriter(Document forDoc, IDocumentPasswordSettings settings)
{
if (null == forDoc)
{
throw new ArgumentNullException("forDoc");
}
SecureString owner = null;
SecureString user = null;
PDFDocumentID id = forDoc.DocumentID;
var permissions = forDoc.Permissions;
if (null != settings)
{
owner = settings.OwnerPassword;
user = settings.UserPassword;
}
if (null == id)
{
id = PDFDocumentID.Create();
forDoc.DocumentID = id;
}
if (null == permissions)
{
permissions = new DocumentPermissions();
}
var encFactory = permissions.GetFactory();
var enc = encFactory.InitEncrypter(owner, user, id, permissions.GetRestrictions(), forDoc.PerformanceMonitor);
return(new PDFSecureWrite14Factory(enc));
}
public bool IsSecure(string documentpath, out IDocumentPasswordSettings settings)
{
settings = new PDFDocumentPasswordSettings(documentpath, configowner, configuser, restrictions, allowoverride);
return(true);
}
/// <summary>
/// IPDFSecurePasswordProvider interface implementation for the IsSecure method.
/// </summary>
/// <param name="documentpath">The path to the document</param>
/// <param name="settings">Set to the passwords for the document if IsSecure returns true</param>
/// <returns>True if the document should be secured</returns>
public virtual bool IsSecure(string documentpath, out IDocumentPasswordSettings settings)
{
settings = new SecureDocumentPasswordSettings(this.OwnerPassword, this.UserPassword);
return(true);
}
public bool IsSecure(string documentpath, out IDocumentPasswordSettings settings)
{
settings = new SecureDocumentPasswordSettings(documentpath, configowner, configuser, restrictions, allowoverride, SecurityType.Standard128Bit);
return(true);
}
