public static PackageFragmentValidationResult LoadInstallXml(string zipFilename, out XElement installElement)
{
installElement = null;
ZipFileSystem zipFileSystem = null;
try
{
zipFileSystem = new ZipFileSystem(zipFilename);
}
catch (Exception ex)
{
return new PackageFragmentValidationResult(PackageFragmentValidationResultType.Fatal, ex);
}
string filename = string.Format("~/{0}", PackageSystemSettings.InstallFilename);
if (zipFileSystem.ContainsFile(filename) == false)
{
return new PackageFragmentValidationResult(PackageFragmentValidationResultType.Fatal, string.Format("Installation file '{0}' is missing from the zip file", filename));
}
try
{
using (C1StreamReader streamReader = new C1StreamReader(zipFileSystem.GetFileStream(filename)))
{
string fileContent = streamReader.ReadToEnd();
installElement = XElement.Parse(fileContent);
}
}
catch (Exception ex)
{
return new PackageFragmentValidationResult(PackageFragmentValidationResultType.Fatal, ex);
}
return null;
}
/// <exclude />
public static string OutputBodyDescendants(XDocument source)
{
string bodyInnerXhtml = "";
XmlWriterSettings settings = CustomizedWriterSettings();
using (var memoryStream = new MemoryStream())
{
using (XmlWriter writer = XmlWriter.Create(memoryStream, settings))
{
XNamespace xhtml = "http://www.w3.org/1999/xhtml";
XElement bodyElement = source.Descendants(xhtml + "body").First();
foreach (XNode element in bodyElement.Nodes())
{
element.WriteTo(writer);
}
writer.Flush();
memoryStream.Position = 0;
var sr = new C1StreamReader(memoryStream);
bodyInnerXhtml = sr.ReadToEnd();
}
}
bodyInnerXhtml = bodyInnerXhtml.Replace(" xmlns=\"http://www.w3.org/1999/xhtml\"", "");
var prefixToUriLookup = new Dictionary<string, string>();
int lastLength = -1;
while (bodyInnerXhtml.Length != lastLength)
{
lastLength = bodyInnerXhtml.Length;
MatchCollection matchCollection = _customNamespaceDeclarations.Matches(bodyInnerXhtml);
foreach (Match match in matchCollection)
{
string prefix = match.Groups["prefix"].Value;
if (!prefixToUriLookup.ContainsKey(prefix))
{
prefixToUriLookup.Add(prefix, match.Groups["uri"].Value);
}
}
if (matchCollection.Count > 0)
{
bodyInnerXhtml = _customNamespaceDeclarations.Replace(bodyInnerXhtml, "<$1$2>");
}
}
foreach (var prefixInfo in prefixToUriLookup)
{
Regex namespacePrefixedElement = new Regex("<(" + prefixInfo.Key + @":[a-zA-Z0-9\._]*?)([^>]*?)( ?/?)>", RegexOptions.Compiled);
bodyInnerXhtml = namespacePrefixedElement.Replace(bodyInnerXhtml, "<$1$2 xmlns:" + prefixInfo.Key + "=\"" + prefixInfo.Value + "\"$3>");
}
return bodyInnerXhtml;
}
/// <summary>
/// Returns all text from the stream associated with the provided IFile
/// </summary>
public static string ReadAllText(this IFile file)
{
using (Stream fileStream = GetReadStream(file))
{
using (C1StreamReader sr = new C1StreamReader(fileStream))
{
return sr.ReadToEnd();
}
}
}
public static string LoadFile(string relativePath)
{
string path = Path.Combine(PathUtil.Resolve("~"), relativePath);
if (!C1File.Exists(path))
{
throw new FileNotFoundException("File not found. Ensure path is relative (that it does not start with '/').", path);
}
using (var streamReader = new C1StreamReader(path))
{
return streamReader.ReadToEnd();
}
}
/// <exclude />
public static string GetDocumentAsString(this XDocument document)
{
Verify.ArgumentNotNull(document, "document");
using (var ms = new MemoryStream())
{
using (var sw = new C1StreamWriter(ms))
{
document.Save(sw);
ms.Seek(0, SeekOrigin.Begin);
using (var sr = new C1StreamReader(ms))
{
return sr.ReadToEnd();
}
}
}
}
/// <summary>
/// Cleans HTML documents or fragments into XHTML conformant markup
/// </summary>
/// <param name="xmlMarkup">The html to clean</param>
/// <returns></returns>
public static XDocument TidyXml(string xmlMarkup)
{
try
{
return XhtmlDocument.Parse(xmlMarkup);
}
catch (Exception)
{
// take the slow road below...
}
byte[] xmlByteArray = Encoding.UTF8.GetBytes(xmlMarkup);
Tidy tidy = GetXmlConfiguredTidy();
List<string> namespacePrefixedElementNames = LocateNamespacePrefixedElementNames(xmlMarkup);
AllowNamespacePrefixedElementNames(tidy, namespacePrefixedElementNames);
AllowHtml5ElementNames(tidy);
TidyMessageCollection tidyMessages = new TidyMessageCollection();
string xml = "";
using (MemoryStream inputStream = new MemoryStream(xmlByteArray))
{
using (MemoryStream outputStream = new MemoryStream())
{
tidy.Parse(inputStream, outputStream, tidyMessages);
outputStream.Position = 0;
C1StreamReader sr = new C1StreamReader(outputStream);
xml = sr.ReadToEnd();
}
}
if (tidyMessages.Errors > 0)
{
StringBuilder errorMessageBuilder = new StringBuilder();
foreach (TidyMessage message in tidyMessages)
{
if (message.Level == MessageLevel.Error)
errorMessageBuilder.AppendLine(message.ToString());
}
throw new InvalidOperationException(string.Format("Failed to parse html:\n\n{0}", errorMessageBuilder.ToString()));
}
xml = RemoveDuplicateAttributes(xml);
return XDocument.Parse(xml);
}
/// <summary>
/// Cleans HTML documents or fragments into XHTML conformant markup
/// </summary>
/// <param name="htmlMarkup">The html to clean</param>
/// <returns>A fully structured XHTML document, incl. html, head and body elements.</returns>
public static TidyHtmlResult TidyHtml(string htmlMarkup)
{
byte[] htmlByteArray = Encoding.UTF8.GetBytes(htmlMarkup);
Tidy tidy = GetXhtmlConfiguredTidy();
List<string> namespacePrefixedElementNames = LocateNamespacePrefixedElementNames(htmlMarkup);
Dictionary<string, string> namespacePrefixToUri = LocateNamespacePrefixToUriDeclarations(htmlMarkup);
List<string> badNamespacePrefixedElementNames = namespacePrefixedElementNames.Where(s => namespacePrefixToUri.Where(d => s.StartsWith(d.Key)).Any() == false).ToList();
AllowNamespacePrefixedElementNames(tidy, namespacePrefixedElementNames);
AllowHtml5ElementNames(tidy);
TidyMessageCollection tidyMessages = new TidyMessageCollection();
string xhtml = "";
using (MemoryStream inputStream = new MemoryStream(htmlByteArray))
{
using (MemoryStream outputStream = new MemoryStream())
{
tidy.Parse(inputStream, outputStream, tidyMessages);
outputStream.Position = 0;
C1StreamReader sr = new C1StreamReader(outputStream);
xhtml = sr.ReadToEnd();
}
}
if (tidyMessages.Errors > 0)
{
StringBuilder errorMessageBuilder = new StringBuilder();
foreach (TidyMessage message in tidyMessages)
{
if (message.Level == MessageLevel.Error)
errorMessageBuilder.AppendLine(message.ToString());
}
throw new InvalidOperationException(string.Format("Failed to parse html:\n\n{0}", errorMessageBuilder.ToString()));
}
if (xhtml.IndexOf("<html>")>-1)
{
xhtml = xhtml.Replace("<html>", "<html xmlns=\"http://www.w3.org/1999/xhtml\">");
}
if (xhtml.IndexOf("xmlns=\"http://www.w3.org/1999/xhtml\"") == -1)
{
xhtml = xhtml.Replace("<html", "<html xmlns=\"http://www.w3.org/1999/xhtml\"");
}
xhtml = RemoveDuplicateAttributes(xhtml);
xhtml = RemoveXmlDeclarations(xhtml);
xhtml = UndoLowerCasingOfElementNames(xhtml, namespacePrefixedElementNames);
xhtml = UndoLowerCasingOfNamespacePrefixes(xhtml, namespacePrefixToUri);
StringBuilder messageBuilder = new StringBuilder();
foreach (TidyMessage message in tidyMessages)
{
if (message.Level == MessageLevel.Warning)
messageBuilder.AppendLine(message.ToString());
}
List<string> badNamespacePrefixes = badNamespacePrefixedElementNames.Select(n => n.Substring(0, n.IndexOf(':'))).Union(LocateAttributeNamespacePrefixes(xhtml)).Distinct().Where(f => IsValidXmlName(f)).ToList();
XDocument outputResult;
if (badNamespacePrefixedElementNames.Any())
{
string badDeclared = string.Join(" ", badNamespacePrefixes.Select(p => string.Format("xmlns:{0}='#bad'", p)).ToArray());
XDocument badDoc = XDocument.Parse(string.Format("<root {0}>{1}</root>", badDeclared, xhtml));
badDoc.Descendants().Attributes().Where(e => e.Name.Namespace == "#bad").Remove();
badDoc.Descendants().Where(e => e.Name.Namespace == "#bad").Remove();
outputResult = new XDocument(badDoc.Root.Descendants().First());
}
else
{
outputResult = XDocument.Parse(xhtml, LoadOptions.PreserveWhitespace);
}
return new TidyHtmlResult { Output = outputResult, ErrorSummary = messageBuilder.ToString() };
}
public static string Decrypt(string encryptedValue)
{
Verify.ArgumentNotNullOrEmpty(encryptedValue, "encryptedValue");
byte[] encodedSequence = HexStringToByteArray(encryptedValue);
// TDeclare the streams used
// to decrypt to an in memory
// array of bytes.
MemoryStream msDecrypt = null;
CryptoStream csDecrypt = null;
C1StreamReader srDecrypt = null;
// Declare the RijndaelManaged object
// used to decrypt the data.
RijndaelManaged rima = null;
try
{
// Create a RijndaelManaged object
// with the specified key and IV.
rima = new RijndaelManaged();
rima.Key = _encryptionKey;
rima.IV = RijndaelIV;
// Create a decrytor to perform the stream transform.
ICryptoTransform decryptor = rima.CreateDecryptor();
// Create the streams used for decryption.
msDecrypt = new MemoryStream(encodedSequence);
csDecrypt = new CryptoStream(msDecrypt, decryptor, CryptoStreamMode.Read);
srDecrypt = new C1StreamReader(csDecrypt);
// Read the decrypted bytes from the decrypting stream
// and place them in a string.
return srDecrypt.ReadToEnd();
}
finally
{
if (srDecrypt != null) srDecrypt.Close();
if (csDecrypt != null) csDecrypt.Close();
if (msDecrypt != null) msDecrypt.Close();
if (rima != null) rima.Clear();
}
}