/// <summary>Initialize $_REQUEST global variable.</summary>
protected PhpArray InitRequestVariable(PhpArray get, PhpArray post, PhpArray cookie, string gpcOrder)
{
Debug.Assert(get != null && post != null && cookie != null && gpcOrder != null);
if (IsWebApplication)
{
var requestArray = new PhpArray(get.Count + post.Count + cookie.Count);
// adds items from GET, POST, COOKIE arrays in the order specified by RegisteringOrder config option:
for (int i = 0; i < gpcOrder.Length; i++)
{
switch (char.ToUpperInvariant(gpcOrder[i]))
{
case 'G': Superglobals.AddVariables(requestArray, get); break;
case 'P': Superglobals.AddVariables(requestArray, post); break;
case 'C': Superglobals.AddVariables(requestArray, cookie); break;
}
}
return(requestArray);
}
else
{
return(PhpArray.NewEmpty());
}
}
public static void InitializeEGPCSForWeb(PhpArray globals, ref Superglobals superglobals, string registering_order = null)
{
// deprecated:
//// adds EGPCS variables as globals:
//if (registering_order == null)
//{
// return;
//}
//// adds items in the order specified by RegisteringOrder config option (overwrites existing):
//for (int i = 0; i < registering_order.Length; i++)
//{
// switch (registering_order[i])
// {
// case 'E': AddVariables(globals, superglobals.env); break;
// case 'G': AddVariables(globals, superglobals.get); break;
// case 'P':
// AddVariables(globals, superglobals.post);
// AddFileVariablesToGlobals(globals, superglobals.files);
// break;
// case 'C': AddVariables(globals, superglobals.cookie); break;
// case 'S': AddVariables(globals, superglobals.server); break;
// }
//}
}
static void AddVariables(PhpArray target, IEnumerable <KeyValuePair <string, StringValues> > values)
{
foreach (var pair in values)
{
var strs = pair.Value;
for (int i = 0; i < strs.Count; i++)
{
Superglobals.AddVariable(target, pair.Key, strs[i]);
}
}
}
/// <summary>
/// Initializes <c>_GLOBALS</c> array.
/// </summary>
/// <param name="registering_order"><c>EGPCS</c> or <c>null</c> if register globals is disabled (default).</param>
protected virtual PhpArray InitGlobals(string registering_order = null)
{
Debug.Assert(_superglobals.request != null && _superglobals.env != null && _superglobals.server != null && _superglobals.files != null);
var globals = new PhpArray(128);
// estimates the initial capacity of $GLOBALS array:
// adds EGPCS variables as globals:
if (registering_order != null)
{
if (IsWebApplication)
{
Superglobals.InitializeEGPCSForWeb(globals, ref _superglobals);
}
else
{
Superglobals.InitializeEGPCSForConsole(globals, ref _superglobals);
}
}
// adds auto-global variables (overwrites potential existing variables in $GLOBALS):
globals["GLOBALS"] = PhpValue.Create(new PhpAlias(PhpValue.Create(globals))); // &$_GLOBALS
globals["_ENV"] = PhpValue.Create(_superglobals.env);
globals["_GET"] = PhpValue.Create(_superglobals.get);
globals["_POST"] = PhpValue.Create(_superglobals.post);
globals["_COOKIE"] = PhpValue.Create(_superglobals.cookie);
globals["_REQUEST"] = PhpValue.Create(_superglobals.request);
globals["_SERVER"] = PhpValue.Create(_superglobals.server);
globals["_FILES"] = PhpValue.Create(_superglobals.files);
globals["_SESSION"] = PhpValue.Create(_superglobals.session);
//globals["HTTP_RAW_POST_DATA"] = HttpRawPostData;
//// adds long arrays:
//if (Configuration.Global.GlobalVariables.RegisterLongArrays)
//{
// globals.Add("HTTP_ENV_VARS", new PhpReference(((PhpArray)Env.Value).DeepCopy()));
// globals.Add("HTTP_GET_VARS", new PhpReference(((PhpArray)Get.Value).DeepCopy()));
// globals.Add("HTTP_POST_VARS", new PhpReference(((PhpArray)Post.Value).DeepCopy()));
// globals.Add("HTTP_COOKIE_VARS", new PhpReference(((PhpArray)Cookie.Value).DeepCopy()));
// globals.Add("HTTP_SERVER_VARS", new PhpReference(((PhpArray)Server.Value).DeepCopy()));
// globals.Add("HTTP_POST_FILES", new PhpReference(((PhpArray)Files.Value).DeepCopy()));
// // both session array references the same array:
// globals.Add("HTTP_SESSION_VARS", Session);
//}
//
return(globals);
}
void InitSuperglobals(ref Superglobals superglobals)
{
var var_order = this.Configuration.Core.VariablesOrder; // TODO
var egpcs = this.Configuration.Core.RegisteringOrder;
superglobals.env = Superglobals.StaticEnv.DeepCopy();
superglobals.get = InitGetVariable();
superglobals.post = InitPostVariable();
superglobals.cookie = InitCookieVariable();
superglobals.server = InitServerVariable();
superglobals.files = InitFilesVariable();
superglobals.session = new PhpArray();
superglobals.request = InitRequestVariable(superglobals.get, superglobals.post, superglobals.cookie, egpcs); // after get, post, cookie
superglobals.globals = InitGlobals(egpcs);
}
void InitSuperglobals(ref Superglobals superglobals)
{
//var var_order = DefaultPhpConfigurationService.Instance.Core.VariablesOrder; // TODO
var egpcs = DefaultPhpConfigurationService.Instance.Core?.RegisteringOrder;
superglobals.env = Superglobals.CreateEnvArray();
superglobals.get = InitGetVariable();
superglobals.post = InitPostVariable();
superglobals.cookie = InitCookieVariable();
superglobals.server = InitServerVariable();
superglobals.files = InitFilesVariable();
superglobals.session = null; // $_SESSION is NULL if it is not initialized
superglobals.request = InitRequestVariable(superglobals.get, superglobals.post, superglobals.cookie, egpcs); // after get, post, cookie
superglobals.globals = InitGlobals(egpcs);
}
protected override PhpArray InitCookieVariable()
{
var result = PhpArray.NewEmpty();
var cookies = _httpctx.Request.Cookies;
if (cookies.Count != 0)
{
foreach (var c in cookies)
{
Superglobals.AddVariable(result, c.Key, System.Net.WebUtility.UrlDecode(c.Value));
}
}
//
return(result);
}
public static void InitializeEGPCSForConsole(PhpArray globals, ref Superglobals superglobals)
{
AddVariables(globals, superglobals.env);
}
/// <summary>
/// Loads $_SERVER from <see cref="HttpRequest.ServerVariables"/>.
/// </summary>
protected override PhpArray InitServerVariable()
{
var array = new PhpArray(32);
var request = _httpctx.Request;
var serverVariables = request.ServerVariables;
// adds variables defined by ASP.NET and IIS:
foreach (string name in serverVariables)
{
// gets all values associated with the name:
string[] values = serverVariables.GetValues(name);
if (values == null)
{
continue; // http://phalanger.codeplex.com/workitem/30132
}
// adds all items:
if (name != null)
{
foreach (string value in values)
{
Superglobals.AddVariable(array, name, value, null);
}
}
else
{
// if name is null, only name of the variable is stated:
// e.g. for GET variables, URL looks like this: ...&test&...
// we add the name of the variable and an emtpy string to get what PHP gets:
foreach (string value in values)
{
Superglobals.AddVariable(array, value, string.Empty, null);
}
}
}
//// adds argv, argc variables:
//if (RegisterArgcArgv)
//{
// array["argv"] = PhpValue.Create(new PhpArray(1) { request.QueryString });
// array["argc"] = PhpValue.Create(0);
//}
// additional variables defined in PHP manual:
array["PHP_SELF"] = (PhpValue)request.Path;
try
{
array["DOCUMENT_ROOT"] = (PhpValue)request.MapPath("/"); // throws exception under mod_aspdotnet
}
catch
{
array["DOCUMENT_ROOT"] = PhpValue.Null;
}
array["SERVER_ADDR"] = (PhpValue)serverVariables["LOCAL_ADDR"];
array["REQUEST_URI"] = (PhpValue)request.RawUrl;
array["REQUEST_TIME"] = (PhpValue)Utilities.DateTimeUtils.UtcToUnixTimeStamp(_httpctx.Timestamp.ToUniversalTime());
array["SCRIPT_FILENAME"] = (PhpValue)request.PhysicalPath;
//IPv6 is the default in IIS7, convert to an IPv4 address (store the IPv6 as well)
if (request.UserHostAddress.Contains(":"))
{
array["REMOTE_ADDR_IPV6"] = (PhpValue)request.UserHostAddress;
if (request.UserHostAddress == "::1")
{
array["REMOTE_ADDR"] = array["SERVER_ADDR"] = (PhpValue)"127.0.0.1";
}
else
{
foreach (IPAddress IPA in Dns.GetHostAddresses(request.UserHostAddress))
{
if (IPA.AddressFamily.ToString() == "InterNetwork")
{
array["REMOTE_ADDR"] = (PhpValue)IPA.ToString();
break;
}
}
}
}
// PATH_INFO
// should contain partial path information only
// note: IIS has AllowPathInfoForScriptMappings property that do the thing ... but ISAPI does not work then
// hence it must be done here manually
if (array.ContainsKey("PATH_INFO"))
{
string path_info = array["PATH_INFO"].AsString();
string script_name = array["SCRIPT_NAME"].AsString();
// 'ORIG_PATH_INFO'
// Original version of 'PATH_INFO' before processed by PHP.
array["ORIG_PATH_INFO"] = (PhpValue)path_info;
// 'PHP_INFO'
// Contains any client-provided pathname information trailing the actual script filename
// but preceding the query string, if available. For instance, if the current script was
// accessed via the URL http://www.example.com/php/path_info.php/some/stuff?foo=bar,
// then $_SERVER['PATH_INFO'] would contain /some/stuff.
// php-5.3.2\sapi\isapi\php5isapi.c:
//
// strncpy(path_info_buf, static_variable_buf + scriptname_len - 1, sizeof(path_info_buf) - 1); // PATH_INFO = PATH_INFO.SubString(SCRIPT_NAME.Length);
array["PATH_INFO"] = (PhpValue)((script_name.Length <= path_info.Length) ? path_info.Substring(script_name.Length) : string.Empty);
}
//
return(array);
}
