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cuberite-2a/src/WebAdmin.h

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// WebAdmin.h
// Declares the cWebAdmin class representing the admin interface over http protocol, and related services (API)
#pragma once
#include "Bindings/LuaState.h"
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#include "IniFile.h"
#include "HTTPServer/HTTPServer.h"
#include "HTTPServer/HTTPFormParser.h"
// Disable MSVC warnings:
#if defined(_MSC_VER)
#pragma warning(push)
#pragma warning(disable:4355) // 'this' : used in base member initializer list
#endif
// fwd:
class cEvent;
class cWebPlugin;
// tolua_begin
struct HTTPFormData
{
std::string Name;
std::string Value;
std::string Type;
} ;
// tolua_end
// tolua_begin
struct HTTPRequest
{
typedef std::map< std::string, std::string > StringStringMap;
typedef std::map< std::string, HTTPFormData > FormDataMap;
AString Method;
AString Path;
AString Username;
// tolua_end
/** Parameters given in the URL, after the questionmark */
StringStringMap Params; // >> EXPORTED IN MANUALBINDINGS <<
/** Parameters posted as a part of a form - either in the URL (GET method) or in the body (POST method) */
StringStringMap PostParams; // >> EXPORTED IN MANUALBINDINGS <<
/** Same as PostParams */
FormDataMap FormData; // >> EXPORTED IN MANUALBINDINGS <<
} ; // tolua_export
// tolua_begin
struct HTTPTemplateRequest
{
HTTPRequest Request;
} ;
// tolua_end
// tolua_begin
struct sWebAdminPage
{
AString Content;
AString PluginName;
AString TabName;
};
// tolua_end
// tolua_begin
class cWebAdmin :
public cHTTPServer::cCallbacks
{
public:
// tolua_end
typedef std::list< cWebPlugin* > PluginList;
cWebAdmin(void);
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virtual ~cWebAdmin();
/** Initializes the object. Returns true if successfully initialized and ready to start */
bool Init(void);
/** Starts the HTTP server taking care of the admin. Returns true if successful */
bool Start(void);
/** Stops the HTTP server, if it was started. */
void Stop(void);
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/** Loads the login template. Returns true if the loading succeeds, false if not. */
bool LoadLoginTemplate(void);
void AddPlugin(cWebPlugin * a_Plugin);
void RemovePlugin(cWebPlugin * a_Plugin);
// TODO: Convert this to the auto-locking callback mechanism used for looping players in worlds and such
PluginList GetPlugins() const { return m_Plugins; } // >> EXPORTED IN MANUALBINDINGS <<
// tolua_begin
sWebAdminPage GetPage(const HTTPRequest & a_Request);
/** Returns the contents of the default page - the list of plugins and players */
AString GetDefaultPage(void);
/** Returns the prefix needed for making a link point to the webadmin root from the given URL ("../../../webadmin"-style) */
AString GetBaseURL(const AString & a_URL);
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/** Returns the list of ports used for the webadmin. */
AString GetPorts(void) const { return StringsConcat(m_Ports, ','); }
/** OBSOLETE: Returns the list of IPv4 ports used for the webadmin.
Currently there is no distinction between IPv4 and IPv6; use GetPorts() instead. */
AString GetIPv4Ports(void) const { return GetPorts(); }
/** OBSOLETE: Returns the list of IPv6 ports used for the webadmin.
Currently there is no distinction between IPv4 and IPv6; use GetPorts() instead. */
AString GetIPv6Ports(void) const { return GetPorts(); }
// tolua_end
/** Escapes text passed into it, so it can be embedded into html. */
static AString GetHTMLEscapedString(const AString & a_Input);
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/** Escapes the string for use in an URL */
static AString GetURLEncodedString(const AString & a_Input);
/** Returns the prefix needed for making a link point to the webadmin root from the given URL ("../../../webadmin"-style) */
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static AString GetBaseURL(const AStringVector & a_URLSplit);
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/** Returns the content type from the file extension. If the extension isn't in the list, the function returns "text/html" */
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static AString GetContentTypeFromFileExt(const AString & a_FileExtension);
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protected:
/** Common base class for request body data handlers */
class cRequestData
{
public:
virtual ~cRequestData() {} // Force a virtual destructor in all descendants
/** Called when a new chunk of body data is received */
virtual void OnBody(const char * a_Data, size_t a_Size) = 0;
} ;
/** The body handler for requests in the "/webadmin" and "/~webadmin" paths */
class cWebadminRequestData :
public cRequestData,
public cHTTPFormParser::cCallbacks
{
public:
cHTTPFormParser m_Form;
cWebadminRequestData(cHTTPRequest & a_Request) :
m_Form(a_Request, *this)
{
}
// cRequestData overrides:
virtual void OnBody(const char * a_Data, size_t a_Size) override;
// cHTTPFormParser::cCallbacks overrides. Files are ignored:
virtual void OnFileStart(cHTTPFormParser &, const AString & a_FileName) override
{
UNUSED(a_FileName);
}
virtual void OnFileData(cHTTPFormParser &, const char * a_Data, size_t a_Size) override
{
UNUSED(a_Data);
UNUSED(a_Size);
}
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virtual void OnFileEnd(cHTTPFormParser &) override {}
} ;
/** Set to true if Init() succeeds and the webadmin isn't to be disabled */
bool m_IsInitialized;
/** Set to true if Start() succeeds in starting the server, reset back to false in Stop(). */
bool m_IsRunning;
/** The webadmin.ini file, used for the settings and allowed logins */
cIniFile m_IniFile;
PluginList m_Plugins;
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/** The ports on which the webadmin is running. */
AStringVector m_Ports;
/** The Lua template script to provide templates: */
cLuaState m_TemplateScript;
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/** The template that provides the login site: */
AString m_LoginTemplate;
/** The HTTP server which provides the underlying HTTP parsing, serialization and events */
cHTTPServer m_HTTPServer;
/** Handles requests coming to the "/webadmin" or "/~webadmin" URLs */
void HandleWebadminRequest(cHTTPConnection & a_Connection, cHTTPRequest & a_Request);
/** Handles requests for the root page */
void HandleRootRequest(cHTTPConnection & a_Connection, cHTTPRequest & a_Request);
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/** Handles requests for a file */
void HandleFileRequest(cHTTPConnection & a_Connection, cHTTPRequest & a_Request);
// cHTTPServer::cCallbacks overrides:
virtual void OnRequestBegun (cHTTPConnection & a_Connection, cHTTPRequest & a_Request) override;
virtual void OnRequestBody (cHTTPConnection & a_Connection, cHTTPRequest & a_Request, const char * a_Data, size_t a_Size) override;
virtual void OnRequestFinished(cHTTPConnection & a_Connection, cHTTPRequest & a_Request) override;
} ; // tolua_export
// Revert MSVC warnings back to orignal state:
#if defined(_MSC_VER)
#pragma warning(pop)
#endif