protected void ParseSecurityType(string content, Secure.DocumentPermissions permissions, PDFTraceLog log)
{
if (!string.IsNullOrEmpty(content))
{
content = content.ToLower();
switch (content)
{
case ("40bit"):
if (log.ShouldLog(TraceLevel.Message))
{
log.Add(TraceLevel.Message, "meta", "Set the document encryption to 40 bit standard (v1.2)");
}
permissions.Type = Secure.SecurityType.Standard40Bit;
break;
case ("128bit"):
if (log.ShouldLog(TraceLevel.Message))
{
log.Add(TraceLevel.Message, "meta", "Set the document encryption to 128 bit standard (v2.3)");
}
permissions.Type = Secure.SecurityType.Standard128Bit;
break;
default:
if (log.ShouldLog(TraceLevel.Warning))
{
log.Add(TraceLevel.Warning, "meta", "The document encryption " + content + " was not a recognised value, use 40bit or 128bit");
}
break;
}
}
}
protected void ParseRestrictions(string content, Secure.DocumentPermissions permissions, PDFTraceLog log)
{
if (string.IsNullOrEmpty(content))
{
return;
}
content = content.Trim().ToLower();
bool logVerbose = log.ShouldLog(TraceLevel.Verbose);
if (content == "none")
{
if (logVerbose)
{
log.Add(TraceLevel.Verbose, "meta", "Cleared all restrictions from the document");
}
return;
}
permissions.AllowAccessiblity = false;
permissions.AllowAnnotations = false;
permissions.AllowCopying = false;
permissions.AllowDocumentAssembly = false;
permissions.AllowFormFilling = false;
permissions.AllowHighQualityPrinting = false;
permissions.AllowModification = false;
permissions.AllowPrinting = false;
if (content == "all")
{
if (logVerbose)
{
log.Add(TraceLevel.Verbose, "meta", "Set restrictions to ALL for the document");
}
return;
}
string[] parts = content.Split(_splits, StringSplitOptions.RemoveEmptyEntries | StringSplitOptions.TrimEntries);
foreach (var part in parts)
{
switch (part)
{
case ("allow-printing"):
case ("printing"):
permissions.AllowHighQualityPrinting = true;
permissions.AllowPrinting = true;
if (logVerbose)
{
log.Add(TraceLevel.Verbose, "meta", "Allowed printing for the document");
}
break;
case ("allow-accessibility"):
case ("accessibility"):
permissions.AllowAccessiblity = true;
if (logVerbose)
{
log.Add(TraceLevel.Verbose, "meta", "Allowed accessibility for the document");
}
break;
case ("allow-annotations"):
case ("annotations"):
permissions.AllowAnnotations = true;
if (logVerbose)
{
log.Add(TraceLevel.Verbose, "meta", "Allowed annotations for the document");
}
break;
case ("allow-copying"):
case ("copying"):
permissions.AllowCopying = true;
if (logVerbose)
{
log.Add(TraceLevel.Verbose, "meta", "Allowed copying for the document");
}
break;
case ("allow-modifications"):
case ("modifications"):
permissions.AllowModification = true;
permissions.AllowDocumentAssembly = true;
if (logVerbose)
{
log.Add(TraceLevel.Verbose, "meta", "Allowed modifications for the document");
}
break;
case ("allow-forms"):
case ("forms"):
permissions.AllowFormFilling = true;
if (logVerbose)
{
log.Add(TraceLevel.Verbose, "meta", "Allowed form filling for the document");
}
break;
default:
if (log.ShouldLog(TraceLevel.Warning))
{
log.Add(TraceLevel.Warning, "meta", "The restrictions part " + part + " was not recognised as a valid restriction");
}
break;
}
}
}
