/// <summary>
/// Gets the hash for the specified file.
/// </summary>
/// <param name="contextManager">Provides the current SharePoint context</param>
/// <param name="logger">To log messages to the migrator</param>
/// <param name="prefixedServerRelativeUrl">Server relative URL of the file; a prefixed URL is allowed.</param>
/// <returns>The stored hash, or an empty array if there is no stored hash</returns>
public byte[] GetFileHash(IContextManager contextManager, IUpgradeLog logger, string prefixedServerRelativeUrl)
{
if (_hashValues == null)
{
InitHashValues(contextManager, logger);
}
var clientContext = contextManager.CurrentContext;
var serverRelativeUrl = SPUrlUtility.ResolveServerRelativeUrl(clientContext.Site, clientContext.Web, prefixedServerRelativeUrl);
var webRelativeUrl = serverRelativeUrl.Substring(clientContext.Web.ServerRelativeUrl.Length);
if (webRelativeUrl.StartsWith("/"))
{
webRelativeUrl = webRelativeUrl.Substring(1);
}
var hash = new List <byte>();
var hashString = "";
if (_hashValues.TryGetValue(webRelativeUrl, out hashString))
{
var parts = hashString.Split('-');
foreach (var part in parts)
{
hash.Add(byte.Parse(part, System.Globalization.NumberStyles.HexNumber));
}
}
return(hash.ToArray());
}
/// <summary>
/// Stores the hash for the specified file.
/// </summary>
/// <param name="contextManager">Provides the current SharePoint context</param>
/// <param name="logger">To log messages to the migrator</param>
/// <param name="prefixedServerRelativeUrl">Server relative URL of the file; a prefixed URL is allowed</param>
/// <param name="hash">Hash value to store</param>
public void StoreFileHash(IContextManager contextManager, IUpgradeLog logger, string prefixedServerRelativeUrl, byte[] hash)
{
if (_hashValues == null)
{
throw new InvalidOperationException("Must have been initialized first (by calling GetFileHash)");
}
var clientContext = contextManager.CurrentContext;
var serverRelativeUrl = SPUrlUtility.ResolveServerRelativeUrl(clientContext.Site, clientContext.Web, prefixedServerRelativeUrl);
var webRelativeUrl = serverRelativeUrl.Substring(clientContext.Web.ServerRelativeUrl.Length);
if (webRelativeUrl.StartsWith("/"))
{
webRelativeUrl = webRelativeUrl.Substring(1);
}
var hashString = BitConverter.ToString(hash);
_hashValues[webRelativeUrl] = hashString;
var propertyValue = JsonConvert.SerializeObject(_hashValues.ToList());
clientContext.Web.AllProperties[_propertyBagKey] = propertyValue;
clientContext.Web.Update();
clientContext.ExecuteQuery();
}
/// <summary>
/// Replaces ~sitecollection/ and ~site/ references
/// </summary>
public string Process(IContextManager contextManager, IUpgradeLog logger, string contents)
{
var context = contextManager.CurrentContext;
var webUrl = SPUrlUtility.ResolveServerRelativeUrl(context, "~site/");
if (!webUrl.EndsWith("/"))
{
webUrl += "/";
}
var siteUrl = SPUrlUtility.ResolveServerRelativeUrl(context, "~sitecollection/");
if (!siteUrl.EndsWith("/"))
{
siteUrl += "/";
}
var result = tokenRegex.Replace(contents,
match => (match.Value == "~site/") ? webUrl : siteUrl);
return(result);
}