public static String GetName(String url)
{
int lastSlash = url.LastIndexOf("/");
if (lastSlash < 0)
{
return(url);
}
else if (lastSlash == 0)
{
return(String.Empty);
}
if (lastSlash == url.Length - 1)
{
lastSlash = url.LastIndexOf("/", lastSlash - 1);
if (UrlUtilities.IsFullUrl(url) && lastSlash < 9)
{
return(String.Empty);
}
}
String name = url.Substring(lastSlash + 1, url.Length - (lastSlash + 1));
if (name.EndsWith("/"))
{
name = name.Substring(0, name.Length - 1);
}
return(name);
}
public static String GetObjectRelativeUrl(String baseUrl, String childObjectUrl)
{
if (!childObjectUrl.StartsWith("http", StringComparison.InvariantCultureIgnoreCase))
{
childObjectUrl = UrlUtilities.EnsurePathStartsWithSlash(childObjectUrl);
baseUrl = UrlUtilities.EnsurePathStartsWithSlash(baseUrl);
}
if (!childObjectUrl.StartsWith(baseUrl, StringComparison.InvariantCulture))
{
throw new InvalidOperationException();
}
return(childObjectUrl.Substring(baseUrl.Length, childObjectUrl.Length - baseUrl.Length));
}
public void ProcessRequest(HttpContext context)
{
String subPath = context.Request.Url.ToString();
bool isClientSvcRequest = false;
int vtiBinIndex = subPath.IndexOf("_vti_bin");
if (vtiBinIndex >= 0)
{
subPath = subPath.Substring(vtiBinIndex);
}
else
{
int apiIndex = subPath.IndexOf("_api");
subPath = subPath.Substring(apiIndex);
}
String destinationUrl = context.Request.Headers["x-destination-url"];
if (destinationUrl == null)
{
destinationUrl = context.Request.QueryString["MS.SP.url"];
if (destinationUrl != null)
{
int vtiBinIndexInDestUrl = destinationUrl.IndexOf("_vti_bin");
if (vtiBinIndexInDestUrl >= 0)
{
subPath = destinationUrl.Substring(vtiBinIndexInDestUrl);
if (subPath.IndexOf("client.svc", StringComparison.InvariantCultureIgnoreCase) >= 0)
{
isClientSvcRequest = true;
}
}
if (vtiBinIndexInDestUrl >= 0)
{
destinationUrl = destinationUrl.Substring(0, vtiBinIndexInDestUrl - 1);
}
}
}
if (destinationUrl == null)
{
context.Response.AddHeader("x-sharepointproxy-error", "no.x-destination-url.header.set");
context.Response.StatusCode = 500;
return;
}
int indexOfVtiBinInSubPath = subPath.IndexOf("_vti_bin/client/", StringComparison.InvariantCultureIgnoreCase);
if (indexOfVtiBinInSubPath >= 0)
{
subPath = subPath.Substring(0, indexOfVtiBinInSubPath) + "_vti_bin/client.svc";
}
SharePointProxyAuthMode authMode = Configuration.AuthMode;
if (Configuration.ContextUrl != null)
{
if (UrlUtilities.ServerNamesAreEqual(destinationUrl, Configuration.ContextUrl))
{
authMode = Configuration.AuthModeToMy;
}
}
String url = null;
if (destinationUrl.IndexOf("_api") >= 0)
{
url = UrlUtilities.EnsurePathEndsWithSlash(destinationUrl);
}
else
{
url = UrlUtilities.EnsurePathEndsWithSlash(destinationUrl) + subPath;
}
HttpWebRequest hwr = (HttpWebRequest)WebRequest.Create(url);
if (authMode == SharePointProxyAuthMode.OAuth)
{
object accessToken = null;
try
{
accessToken = SharePointManager.Current.AccessToken;
}
catch (NullReferenceException)
{
;
}
if (accessToken == null)
{
context.Response.AddHeader("x-sharepointproxy-error", "no.oauth.session.token.set.for" + destinationUrl + "|" + Configuration.ContextUrl + "|" + subPath + "|" + UrlUtilities.GetCanonicalServerNameFromFullUrl(destinationUrl) + "|" + UrlUtilities.GetCanonicalServerNameFromFullUrl(Configuration.ContextUrl) + "|" + UrlUtilities.ServerNamesAreEqual(destinationUrl, Configuration.ContextUrl) + "|" + WebConfigurationManager.AppSettings.Get("SharePointProxyAuthModeToMy"));
context.Response.StatusCode = 500;
return;
}
context.Response.AddHeader("x-token-added", (String)accessToken);
hwr.Headers.Add("Authorization", "Bearer " + (String)accessToken);
}
else
{
hwr.UseDefaultCredentials = true;
}
String[] keys = context.Request.Headers.AllKeys;
hwr.Method = context.Request.HttpMethod;
Stream clientRequestStream = context.Request.GetBufferlessInputStream();
if (hwr.Method != "GET")
{
Stream sharePointRequestStream = hwr.GetRequestStream();
int b = clientRequestStream.ReadByte();
while (b >= 0)
{
sharePointRequestStream.WriteByte((byte)b);
b = clientRequestStream.ReadByte();
}
}
foreach (String key in keys)
{
String keyLower = key.ToLower();
if (key == "Accept")
{
hwr.Accept = context.Request.Headers[key];
}
else if (keyLower == "x-requestdigest")
{
hwr.Headers[key] = context.Request.Headers[key];
}
}
hwr.ContentType = context.Request.ContentType;
WebResponse wresp = null;
try
{
wresp = hwr.GetResponse();
}
catch (WebException we)
{
context.Response.AddHeader("x-sharepointproxy-error", "request.failed.for" + destinationUrl + "|" + subPath + "|" + UrlUtilities.GetCanonicalServerNameFromFullUrl(destinationUrl) + "|" + we.Message + "|" + authMode.ToString());
context.Response.StatusCode = 500;
return;
}
Stream sharePointResponseStream = wresp.GetResponseStream();
Stream clientResponseStream = context.Response.OutputStream;
context.Response.ContentType = "application/json";
int br = sharePointResponseStream.ReadByte();
while (br >= 0)
{
clientResponseStream.WriteByte((byte)br);
br = sharePointResponseStream.ReadByte();
}
}
public static bool IsUrlForIntranet(String fullUrl)
{
return(UrlUtilities.IsBaseUrlForIntranet(UrlUtilities.GetBaseUrlFromFullUrl(fullUrl)));
}