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-rw-r--r--source/WebAdmin.cpp69
-rw-r--r--source/WebAdmin.h49
2 files changed, 80 insertions, 38 deletions
diff --git a/source/WebAdmin.cpp b/source/WebAdmin.cpp
index 393e5ce52..1d2fe93b5 100644
--- a/source/WebAdmin.cpp
+++ b/source/WebAdmin.cpp
@@ -32,7 +32,7 @@ class cPlayerAccum :
m_Contents.append("</li>");
return false;
}
-
+
public:
AString m_Contents;
@@ -90,18 +90,18 @@ bool cWebAdmin::Init(void)
{
return false;
}
-
+
LOG("Initialising WebAdmin...");
-
+
if (!m_IniFile.GetValueSetB("WebAdmin", "Enabled", true))
{
// WebAdmin is disabled, bail out faking a success
return true;
}
-
+
AString PortsIPv4 = m_IniFile.GetValueSet("WebAdmin", "Port", "8080");
AString PortsIPv6 = m_IniFile.GetValueSet("WebAdmin", "PortsIPv6", "");
-
+
if (!m_HTTPServer.Initialize(PortsIPv4, PortsIPv6))
{
return false;
@@ -121,9 +121,9 @@ bool cWebAdmin::Start(void)
// Not initialized
return false;
}
-
+
LOG("Starting WebAdmin...");
-
+
// Initialize the WebAdmin template script and load the file
m_TemplateScript.Create();
if (!m_TemplateScript.LoadFile(FILE_IO_PREFIX "webadmin/template.lua"))
@@ -176,12 +176,12 @@ void cWebAdmin::HandleWebadminRequest(cHTTPConnection & a_Connection, cHTTPReque
a_Connection.SendNeedAuth("MCServer WebAdmin - bad username or password");
return;
}
-
+
// Check if the contents should be wrapped in the template:
AString URL = a_Request.GetBareURL();
ASSERT(URL.length() > 0);
bool ShouldWrapInTemplate = ((URL.length() > 1) && (URL[1] != '~'));
-
+
// Retrieve the request data:
cWebadminRequestData * Data = (cWebadminRequestData *)(a_Request.GetUserData());
if (Data == NULL)
@@ -189,14 +189,14 @@ void cWebAdmin::HandleWebadminRequest(cHTTPConnection & a_Connection, cHTTPReque
a_Connection.SendStatusAndReason(500, "Bad UserData");
return;
}
-
+
// Wrap it all up for the Lua call:
AString Template;
HTTPTemplateRequest TemplateRequest;
TemplateRequest.Request.Username = a_Request.GetAuthUsername();
TemplateRequest.Request.Method = a_Request.GetMethod();
TemplateRequest.Request.Path = URL.substr(1);
-
+
if (Data->m_Form.Finish())
{
for (cHTTPFormParser::const_iterator itr = Data->m_Form.begin(), end = Data->m_Form.end(); itr != end; ++itr)
@@ -208,7 +208,7 @@ void cWebAdmin::HandleWebadminRequest(cHTTPConnection & a_Connection, cHTTPReque
TemplateRequest.Request.FormData[itr->first] = HTTPfd;
TemplateRequest.Request.PostParams[itr->first] = itr->second;
} // for itr - Data->m_Form[]
-
+
// Parse the URL into individual params:
size_t idxQM = a_Request.GetURL().find('?');
if (idxQM != AString::npos)
@@ -221,7 +221,7 @@ void cWebAdmin::HandleWebadminRequest(cHTTPConnection & a_Connection, cHTTPReque
} // for itr - URLParams[]
}
}
-
+
// Try to get the template from the Lua template script
if (ShouldWrapInTemplate)
{
@@ -236,7 +236,7 @@ void cWebAdmin::HandleWebadminRequest(cHTTPConnection & a_Connection, cHTTPReque
a_Connection.SendStatusAndReason(500, "m_TemplateScript failed");
return;
}
-
+
AString BaseURL = GetBaseURL(URL);
AString Menu;
Template = "{CONTENT}";
@@ -397,6 +397,45 @@ AString cWebAdmin::GetBaseURL( const AString& a_URL )
+AString cWebAdmin::GetHTMLEscapedString( const AString& a_Input )
+{
+
+ // Define a stringstream to write the output to.
+ std::stringstream dst;
+
+ // Loop over input and substitute HTML characters for their alternatives.
+ for (char workingCharacter : a_Input) {
+ switch (workingCharacter)
+ {
+ case '&':
+ dst << "&amp;";
+ break;
+ case '\'':
+ dst << "&apos;";
+ break;
+ case '"':
+ dst << "&quot;";
+ break;
+ case '<':
+ dst << "&lt;";
+ break;
+ case '>':
+ dst << "&gt;";
+ break;
+ default:
+ dst << workingCharacter;
+ break;
+ }
+ }
+
+ return dst.str();
+
+}
+
+
+
+
+
AString cWebAdmin::GetBaseURL( const AStringVector& a_URLSplit )
{
AString BaseURL = "./";
@@ -481,7 +520,7 @@ void cWebAdmin::OnRequestFinished(cHTTPConnection & a_Connection, cHTTPRequest &
{
// TODO: Handle other requests
}
-
+
// Delete any request data assigned to the request:
cRequestData * Data = (cRequestData *)(a_Request.GetUserData());
delete Data;
diff --git a/source/WebAdmin.h b/source/WebAdmin.h
index 488cec274..fbe6a6b4a 100644
--- a/source/WebAdmin.h
+++ b/source/WebAdmin.h
@@ -51,18 +51,18 @@ 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
@@ -101,7 +101,7 @@ class cWebAdmin :
{
public:
// tolua_end
-
+
typedef std::list< cWebPlugin* > PluginList;
@@ -110,7 +110,7 @@ public:
/// 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);
@@ -121,32 +121,35 @@ public:
PluginList GetPlugins() const { return m_Plugins; } // >> EXPORTED IN MANUALBINDINGS <<
// tolua_begin
-
+
/// Returns the amount of currently used memory, in KiB, or -1 if it cannot be queried
static int GetMemoryUsage(void);
sWebAdminPage GetPage(const HTTPRequest& a_Request);
-
+
/// Returns the contents of the default page - the list of plugins and players
AString GetDefaultPage(void);
-
+
AString GetBaseURL(const AString& a_URL);
-
+
+ // Escapes text passed into it, so it can be embedded into html.
+ AString GetHTMLEscapedString( const AString& a_Input );
+
// tolua_end
AString GetBaseURL(const AStringVector& a_URLSplit);
-
+
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, int a_Size) = 0;
} ;
-
+
/// The body handler for requests in the "/webadmin" and "/~webadmin" paths
class cWebadminRequestData :
public cRequestData,
@@ -154,13 +157,13 @@ protected:
{
public:
cHTTPFormParser m_Form;
-
-
+
+
cWebadminRequestData(cHTTPRequest & a_Request) :
m_Form(a_Request, *this)
{
}
-
+
// cRequestData overrides:
virtual void OnBody(const char * a_Data, int a_Size) override;
@@ -169,31 +172,31 @@ protected:
virtual void OnFileData(cHTTPFormParser & a_Parser, const char * a_Data, int a_Size) override {}
virtual void OnFileEnd(cHTTPFormParser & a_Parser) override {}
} ;
-
-
+
+
/// Set to true if Init() succeeds and the webadmin isn't to be disabled
bool m_IsInitialized;
/// The webadmin.ini file, used for the settings and allowed logins
cIniFile m_IniFile;
-
+
PluginList m_Plugins;
/// The Lua template script to provide templates:
cLuaState m_TemplateScript;
-
+
/// The HTTP server which provides the underlying HTTP parsing, serialization and events
cHTTPServer m_HTTPServer;
AString GetTemplate(void);
-
+
/// 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);
-
+
// 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, int a_Size) override;