public ConfigurationSection GetSection(string sectionPath, string locationPath)
{
Initialize();
if (!_dontThrow)
{
_server.VerifyLocation(locationPath);
}
return(RootSectionGroup.FindSection(sectionPath, locationPath, this));
}
private void LoadDocument(string file, string location)
{
using (var stream = File.Open(file, FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
{
_document = XDocument.Load(stream, LoadOptions.SetLineInfo);
}
if (Root == null)
{
return;
}
var nodes = Root.Nodes();
XElement first = null;
foreach (var node in nodes)
{
if (node is XComment)
{
continue;
}
if (node is XElement element)
{
first = first ?? element;
var tag = element.Name.LocalName;
if (tag == "configSections")
{
if (first != element)
{
// IMPORTANT: double spaces before It to match IIS.
throw new COMException($"Line number: {(element as IXmlLineInfo).LineNumber}\r\nError: Only one <configSections> element allowed. It must be the first child element of the root <configuration> element \r\n");
}
RootSectionGroup.ParseSectionDefinitions(element, _sectionSchemas);
if (Parent == null)
{
// machine.config
RootSectionGroup.AddSpecial();
}
// TODO: can we use _sectionSchemas.
RootSectionGroup.GetAllDefinitions(DefinitionCache);
continue;
}
if (tag == "location")
{
// IMPORTANT: allow null path due to root web.config.
var path = element.Attribute("path")?.Value;
var mode = element.Attribute("overrideMode").LoadString("Inherit");
var found = Locations.FirstOrDefault(item => item.Path == path);
if (found == null)
{
found = new Location(path, mode, element, true);
Locations.Add(found);
}
ParseSections(element, null, found);
continue;
}
if (location == null)
{
ParseSections(element, null, null);
}
else
{
var found = Locations.FirstOrDefault(item => item.Path == location);
if (found == null)
{
found = new Location(location, "Inherit", element);
Locations.Add(found);
}
ParseSections(element, null, found);
}
}
}
}
private void LoadDocument(string file, string location)
{
_document = XDocument.Load(file, LoadOptions.SetLineInfo);
if (Root == null)
{
return;
}
var nodes = Root.Nodes();
foreach (var node in nodes)
{
if (node is XComment)
{
continue;
}
var element = node as XElement;
if (element != null)
{
var tag = element.Name.LocalName;
if (tag == "configSections")
{
RootSectionGroup.ParseSectionDefinitions(element, _sectionSchemas);
continue;
}
if (tag == "location")
{
// IMPORTANT: allow null path due to root web.config.
var path = element.Attribute("path")?.Value;
var mode = element.Attribute("overrideMode").LoadString("Inherit");
var found = Locations.FirstOrDefault(item => item.Path == path);
if (found == null)
{
found = new Location(path, mode, element, true);
Locations.Add(found);
}
ParseSections(element, null, found);
continue;
}
if (location == null)
{
ParseSections(element, null, null);
}
else
{
var found = Locations.FirstOrDefault(item => item.Path == location);
if (found == null)
{
found = new Location(location, "Inherit", element);
Locations.Add(found);
}
ParseSections(element, null, found);
}
}
}
}
private bool ParseSections(XElement element, ConfigurationElement parent, Location location)
{
var result = false;
var path = element.GetPath();
ConfigurationElement node = null;
var schema = FindSchema(path);
var sec = FindSectionSchema(path);
var name = element.Name.LocalName;
if (schema != null)
{
if (sec != null)
{
var section = new ConfigurationSection(path, sec.Root, location?.Path, this, element);
RootSectionGroup.Add(section, location);
node = section;
}
else
{
node = schema.CollectionSchema == null
? new ConfigurationElement(null, name, schema, parent, element, this)
: new ConfigurationElementCollection(
name,
schema,
parent,
element,
this);
}
parent?.AddChild(node);
result = true;
}
else
{
var found = RootSectionGroup.GetSectionDefinition(path);
if (found != null && found.Ignore && path != "system.webServer")
{
return(true);
}
}
foreach (var item in element.Nodes())
{
var child = item as XElement;
if (child == null)
{
continue;
}
var childAdded = ParseSections(child, node, location);
result = result || childAdded;
}
if (!result && !_dontThrow && name != "location")
{
throw new COMException(
string.Format(
"Line number: {0}\r\nError: Unrecognized element '{1}'\r\n",
(element as IXmlLineInfo).LineNumber,
name));
}
return(result);
}
private bool ParseSections(XElement element, ConfigurationElement parent, Location location)
{
var result = false;
var path = element.GetPath();
ConfigurationElement node = null;
var schema = FindSchema(path);
var sec = FindSectionSchema(path);
var name = element.Name.LocalName;
if (schema != null)
{
if (sec != null)
{
var section = new ConfigurationSection(path, sec.Root, location?.Path, this, element);
RootSectionGroup.Add(section, location);
node = section;
}
else
{
node = schema.CollectionSchema == null
? new ConfigurationElement(null, name, schema, parent, element, this)
: new ConfigurationElementCollection(
name,
schema,
parent,
element,
this);
}
parent?.AddChild(node);
result = true;
}
else
{
var found = RootSectionGroup.GetSectionDefinition(path);
if (found != null && found.Ignore)
{
if (path == "runtime")
{
// examples: <runtime> in machine.config.
return(true);
}
else
{
if (!element.HasElements)
{
// like empty tag in web.config.
return(true);
}
}
}
else
{
// TODO: improve performance.
var foundChild = RootSectionGroup.GetChildSectionDefinition(path);
if (foundChild != null && !element.HasElements)
{
return(true);
}
}
}
foreach (var item in element.Nodes())
{
var child = item as XElement;
if (child == null)
{
continue;
}
var childAdded = ParseSections(child, node, location);
result = result || childAdded;
}
if (!result && !_dontThrow && name != "location")
{
string link = null;
string oob = null;
if (path.StartsWith("system.webServer/aspNetCore/"))
{
oob = "ASP.NET Core Module (system.webServer/aspNetCore/)";
link = "https://docs.microsoft.com/en-us/aspnet/core/publishing/iis?tabs=aspnetcore2x#install-the-net-core-windows-server-hosting-bundle";
}
else if (path.StartsWith("system.webServer/rewrite/"))
{
oob = "URL Rewrite Module (system.webServer/rewrite/)";
link = "https://docs.microsoft.com/en-us/iis/extensions/url-rewrite-module/using-the-url-rewrite-module#where-to-get-the-url-rewrite-module";
}
else if (path.StartsWith("system.webServer/webFarms/"))
{
oob = "Application Request Routing Module (system.webServer/webFarms/)";
link = "https://docs.microsoft.com/en-us/iis/extensions/configuring-application-request-routing-arr/define-and-configure-an-application-request-routing-server-farm#prerequisites";
}
var exception = new COMException(
string.Format(
"Line number: {0}\r\nError: Unrecognized element '{1}'\r\n",
(element as IXmlLineInfo).LineNumber,
name));
if (oob != null)
{
exception.Data.Add("oob", oob);
exception.Data.Add("link", link);
}
throw exception;
}
return(result);
}
/// <summary>
/// Initialize data.
/// </summary>
public void InitData()
{
RootSectionGroup.InitData(this);
}
/// <summary>
/// Synchronize data.
/// </summary>
public void SyncData()
{
RootSectionGroup.SyncData(this);
}
/// <summary>
/// Generate code.
/// </summary>
/// <returns>The generated code compile unit.</returns>
public CodeCompileUnit Generate()
{
RootSectionGroup.Generate(this);
return(_codeCompileUnit);
}
