/// <summary>
/// Parses the parameters and tries to deduce consistent
/// values for the following from other parameters that
/// may be supplied by the web server:
/// SCRIPT_NAME (virtual path),
/// SCRIPT_FILENAME (physical path),
/// PATH_INFO (virtual path-info) and
/// PATH_TRANSLATED (physical path-info).
/// Required by Apache.
/// </summary>
void ParseParameterData()
{
string redirectUrl;
string pathInfo = GetParameter ("PATH_INFO");
string pathTranslated = GetParameter ("PATH_TRANSLATED");
Mono.WebServer.VPathToHost vapp;
if (pathTranslated == null || pathTranslated.Length == 0 ||
pathInfo == null || pathInfo.Length == 0 || pathInfo [0] != '/' ||
(null != (redirectUrl = GetParameter ("REDIRECT_URL")) && redirectUrl.Length != 0 && pathInfo != redirectUrl)) {
// Only consider REDIRECT_URL if it actually contains
// something, since it may not always be present (depending
// on installed Apache modules & setup). Also, never allow
// PATH_INFO to be null (nor PATH_TRANSLATED), even for
// cases where this method is mostly short-circuited.
if (pathInfo == null)
SetParameter ("PATH_INFO", String.Empty);
if (pathTranslated == null)
SetParameter ("PATH_TRANSLATED", String.Empty);
vapp = Mono.WebServer.FastCgi.Server.GetApplicationForPath (this.HostName, this.PortNumber, this.Path, this.PhysicalPath);
if (vapp != null)
appHost = (Mono.WebServer.FastCgi.ApplicationHost)vapp.AppHost;
return;
}
// At this point we have: (with REDIRECT_URL being optional)
//
// REDIRECT_URL=/dir/test.aspx/foo
// PATH_INFO=/dir/test.aspx/foo
// PATH_TRANSLATED=/srv/www/htdocs/dir/test.aspx/foo
// SCRIPT_NAME=/cgi-bin/fastcgi-mono-server
// SCRIPT_FILENAME=/srv/www/cgi-bin/fastcgi-mono-server
string virtPath = pathInfo;
string physPath = pathTranslated;
string virtPathInfo = String.Empty;
string physPathInfo = String.Empty;
try {
vapp = Mono.WebServer.FastCgi.Server.GetApplicationForPath (
this.HostName, this.PortNumber, virtPath, physPath);
if (vapp == null)
return; // Set values in finally
appHost = (Mono.WebServer.FastCgi.ApplicationHost)vapp.AppHost;
if (appHost == null)
return; // Set values in finally
// Split the virtual path and virtual path-info
string verb = GetParameter ("REQUEST_METHOD");
if (verb == null || verb.Length == 0)
verb = "GET"; // For the sake of paths, assume a default
appHost.GetPathsFromUri (verb, pathInfo, out virtPath, out virtPathInfo);
if (virtPathInfo == null)
virtPathInfo = String.Empty;
if (virtPath == null)
virtPath = String.Empty;
// Re-map the physical path
physPath = appHost.MapPath (virtPath);
if (physPath == null)
physPath = String.Empty;
// Re-map the physical path-info
string relaPathInfo = virtPathInfo;
if (relaPathInfo.Length != 0 && IOPath.DirectorySeparatorChar != '/')
relaPathInfo = relaPathInfo.Replace ('/', IOPath.DirectorySeparatorChar);
while (relaPathInfo.Length > 0 && relaPathInfo[0] == IOPath.DirectorySeparatorChar) {
relaPathInfo = relaPathInfo.Substring (1);
}
if (physPath.Length == 0) {
physPathInfo = relaPathInfo;
return; // Set values in finally
}
string physRoot = physPath;
try {
if (appHost.VirtualFileExists (virtPath)) {
physRoot = IOPath.GetDirectoryName (physRoot);
if (physRoot == null)
physRoot = String.Empty;
}
} catch {
// Assume virtPath, physPath & physRoot
// specify directories (and not files)
}
physPathInfo = IOPath.Combine (physRoot, relaPathInfo);
} finally {
// Now, if all went well, we set:
//
// SCRIPT_NAME=/dir/test.aspx
// SCRIPT_FILENAME=/srv/www/htdocs/dir/test.aspx
// PATH_INFO=/foo
// PATH_TRANSLATED=/srv/www/htdocs/dir/foo
SetParameter ("SCRIPT_NAME", virtPath);
SetParameter ("SCRIPT_FILENAME", physPath);
SetParameter ("PATH_INFO", virtPathInfo);
SetParameter ("PATH_TRANSLATED", physPathInfo);
}
}
void ParseParameterData()
{
string redirectUrl;
string pathInfo = GetParameter("PATH_INFO");
string pathTranslated = GetParameter("PATH_TRANSLATED");
Mono.WebServer.VPathToHost vapp;
if (pathTranslated == null || pathTranslated.Length == 0 ||
pathInfo == null || pathInfo.Length == 0 || pathInfo [0] != '/' ||
(null != (redirectUrl = GetParameter("REDIRECT_URL")) && redirectUrl.Length != 0 && pathInfo != redirectUrl))
{
// Only consider REDIRECT_URL if it actually contains
// something, since it may not always be present (depending
// on installed Apache modules & setup). Also, never allow
// PATH_INFO to be null (nor PATH_TRANSLATED), even for
// cases where this method is mostly short-circuited.
if (pathInfo == null)
{
SetParameter("PATH_INFO", String.Empty);
}
if (pathTranslated == null)
{
SetParameter("PATH_TRANSLATED", String.Empty);
}
vapp = Mono.WebServer.FastCgi.Server.GetApplicationForPath(this.HostName, this.PortNumber, this.Path, this.PhysicalPath);
if (vapp != null)
{
appHost = (Mono.WebServer.FastCgi.ApplicationHost)vapp.AppHost;
}
return;
}
// At this point we have: (with REDIRECT_URL being optional)
//
// REDIRECT_URL=/dir/test.aspx/foo
// PATH_INFO=/dir/test.aspx/foo
// PATH_TRANSLATED=/srv/www/htdocs/dir/test.aspx/foo
// SCRIPT_NAME=/cgi-bin/fastcgi-mono-server
// SCRIPT_FILENAME=/srv/www/cgi-bin/fastcgi-mono-server
string virtPath = pathInfo;
string physPath = pathTranslated;
string virtPathInfo = String.Empty;
string physPathInfo = String.Empty;
try {
vapp = Mono.WebServer.FastCgi.Server.GetApplicationForPath(
this.HostName, this.PortNumber, virtPath, physPath);
if (vapp == null)
{
return; // Set values in finally
}
appHost = (Mono.WebServer.FastCgi.ApplicationHost)vapp.AppHost;
if (appHost == null)
{
return; // Set values in finally
}
// Split the virtual path and virtual path-info
string verb = GetParameter("REQUEST_METHOD");
if (verb == null || verb.Length == 0)
{
verb = "GET"; // For the sake of paths, assume a default
}
appHost.GetPathsFromUri(verb, pathInfo, out virtPath, out virtPathInfo);
if (virtPathInfo == null)
{
virtPathInfo = String.Empty;
}
if (virtPath == null)
{
virtPath = String.Empty;
}
// Re-map the physical path
physPath = appHost.MapPath(virtPath);
if (physPath == null)
{
physPath = String.Empty;
}
// Re-map the physical path-info
string relaPathInfo = virtPathInfo;
if (relaPathInfo.Length != 0 && IOPath.DirectorySeparatorChar != '/')
{
relaPathInfo = relaPathInfo.Replace('/', IOPath.DirectorySeparatorChar);
}
while (relaPathInfo.Length > 0 && relaPathInfo[0] == IOPath.DirectorySeparatorChar)
{
relaPathInfo = relaPathInfo.Substring(1);
}
if (physPath.Length == 0)
{
physPathInfo = relaPathInfo;
return; // Set values in finally
}
string physRoot = physPath;
try {
if (appHost.VirtualFileExists(virtPath))
{
physRoot = IOPath.GetDirectoryName(physRoot);
if (physRoot == null)
{
physRoot = String.Empty;
}
}
} catch {
// Assume virtPath, physPath & physRoot
// specify directories (and not files)
}
physPathInfo = IOPath.Combine(physRoot, relaPathInfo);
} finally {
// Now, if all went well, we set:
//
// SCRIPT_NAME=/dir/test.aspx
// SCRIPT_FILENAME=/srv/www/htdocs/dir/test.aspx
// PATH_INFO=/foo
// PATH_TRANSLATED=/srv/www/htdocs/dir/foo
SetParameter("SCRIPT_NAME", virtPath);
SetParameter("SCRIPT_FILENAME", physPath);
SetParameter("PATH_INFO", virtPathInfo);
SetParameter("PATH_TRANSLATED", physPathInfo);
}
}
