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229 lines
11 KiB
C
229 lines
11 KiB
C
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//====== Copyright <20> 1996-2010, Valve Corporation, All rights reserved. =======
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//
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// Purpose: HTTP related enums and objects, stuff that both clients and server use should go here
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//
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//=============================================================================
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#ifndef HTTP_H
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#define HTTP_H
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#ifdef _WIN32
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#pragma once
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#endif
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#include "steam/steamhttpenums.h"
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#include "tier1/KeyValues.h"
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#include "tier1/netadr.h"
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#include "gcsdk/bufferpool.h"
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class CMsgHttpRequest;
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class CMsgHttpResponse;
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#include "tier0/memdbgon.h"
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namespace GCSDK
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{
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// Container class for useful parsing methods and other utility code used by client or server http code
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class CHTTPUtil
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{
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public:
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// Check if a status code allows a body to exist
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static bool BStatusCodeAllowsBody( EHTTPStatusCode eHTTPStatus );
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};
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class CHTTPRequest;
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class CHTTPResponse;
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class CHTTPServerClientConnection;
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class CHTTPRequest
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{
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public:
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CHTTPRequest();
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CHTTPRequest( CMsgHttpRequest* pProto );
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CHTTPRequest( EHTTPMethod eMethod, const char *pchHost, const char *pchRelativeURL );
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CHTTPRequest( EHTTPMethod eMethod, const char *pchAbsoluteURL );
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~CHTTPRequest();
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// Get the method type for the request (ie, GET, POST, etc)
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EHTTPMethod GetEHTTPMethod() const { return ( EHTTPMethod )m_pProto->request_method(); }
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// Get the relative URL for the request
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const char *GetURL() const { return m_pProto->url().c_str(); }
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// Get the value of a GET parameter, using the default value if not set. This is case-insensitive by default.
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const CMsgHttpRequest_QueryParam *GetGETParam( const char *pchGetParamName, bool bMatchCase = false ) const;
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const char *GetGETParamString( const char *pchGetParamName, const char *pchDefault, bool bMatchCase = false ) const;
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bool GetGETParamBool( const char *pchGetParamName, bool bDefault, bool bMatchCase = false ) const;
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int32 GetGETParamInt32( const char *pchGetParamName, int32 nDefault, bool bMatchCase = false ) const;
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uint32 GetGETParamUInt32( const char *pchGetParamName, uint32 unDefault, bool bMatchCase = false ) const;
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int64 GetGETParamInt64( const char *pchGetParamName, int64 nDefault, bool bMatchCase = false ) const;
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uint64 GetGETParamUInt64( const char *pchGetParamName, uint64 unDefault, bool bMatchCase = false ) const;
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float GetGETParamFloat( const char *pchGetParamName, float fDefault, bool bMatchCase = false ) const;
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// Get the value of a POST parameter, using the default value if not set. This is case-insensitive by default.
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const CMsgHttpRequest_QueryParam *GetPOSTParam( const char *pchPostParamName, bool bMatchCase = false ) const;
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const char *GetPOSTParamString( const char *pchGetParamName, const char *pchDefault, bool bMatchCase = false ) const;
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bool GetPOSTParamBool( const char *pchGetParamName, bool bDefault, bool bMatchCase = false ) const;
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int32 GetPOSTParamInt32( const char *pchGetParamName, int32 nDefault, bool bMatchCase = false ) const;
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uint32 GetPOSTParamUInt32( const char *pchGetParamName, uint32 unDefault, bool bMatchCase = false ) const;
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int64 GetPOSTParamInt64( const char *pchGetParamName, int64 nDefault, bool bMatchCase = false ) const;
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uint64 GetPOSTParamUInt64( const char *pchGetParamName, uint64 unDefault, bool bMatchCase = false ) const;
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float GetPOSTParamFloat( const char *pchGetParamName, float fDefault, bool bMatchCase = false ) const;
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// Add a GET param to the request
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void SetGETParamString( const char *pchGetParamName, const char *pString ) { SetGETParamRaw( pchGetParamName, (uint8*)pString, Q_strlen(pString) ); }
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void SetGETParamBool( const char *pchPostParamName, bool bValue ) { SetGETParamRaw( pchPostParamName, (uint8*)(bValue ? "1" : "0"), 1 ); }
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void SetGETParamInt32( const char *pchPostParamName, int32 nValue ) { CNumStr str( nValue ); SetGETParamRaw( pchPostParamName, (uint8*)str.String(), Q_strlen( str ) ); }
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void SetGETParamUInt32( const char *pchPostParamName, uint32 unValue ) { CNumStr str( unValue ); SetGETParamRaw( pchPostParamName, (uint8*)str.String(), Q_strlen( str ) ); }
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void SetGETParamInt64( const char *pchPostParamName, int64 nValue ) { CNumStr str( nValue ); SetGETParamRaw( pchPostParamName, (uint8*)str.String(), Q_strlen( str ) ); }
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void SetGETParamUInt64( const char *pchPostParamName, uint64 unValue ) { CNumStr str( unValue ); SetGETParamRaw( pchPostParamName, (uint8*)str.String(), Q_strlen( str ) ); }
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void SetGETParamFloat( const char *pchPostParamName, float fValue ) { CNumStr str( fValue ); SetGETParamRaw( pchPostParamName, (uint8*)str.String(), Q_strlen( str ) ); }
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// Add a POST param to the request given a string for the name and value
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void SetPOSTParamString( const char *pchPostParamName, const char *pString ) { SetPOSTParamRaw( pchPostParamName, (uint8*)pString, Q_strlen(pString) ); }
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void SetPOSTParamBool( const char *pchPostParamName, bool bValue ) { SetPOSTParamRaw( pchPostParamName, (uint8*)(bValue ? "1" : "0"), 1 ); }
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void SetPOSTParamInt32( const char *pchPostParamName, int32 nValue ) { CNumStr str( nValue ); SetPOSTParamRaw( pchPostParamName, (uint8*)str.String(), Q_strlen( str ) ); }
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void SetPOSTParamUInt32( const char *pchPostParamName, uint32 unValue ) { CNumStr str( unValue ); SetPOSTParamRaw( pchPostParamName, (uint8*)str.String(), Q_strlen( str ) ); }
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void SetPOSTParamInt64( const char *pchPostParamName, int64 nValue ) { CNumStr str( nValue ); SetPOSTParamRaw( pchPostParamName, (uint8*)str.String(), Q_strlen( str ) ); }
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void SetPOSTParamUInt64( const char *pchPostParamName, uint64 unValue ) { CNumStr str( unValue ); SetPOSTParamRaw( pchPostParamName, (uint8*)str.String(), Q_strlen( str ) ); }
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void SetPOSTParamFloat( const char *pchPostParamName, float fValue ) { CNumStr str( fValue ); SetPOSTParamRaw( pchPostParamName, (uint8*)str.String(), Q_strlen( str ) ); }
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// Adds a POST param containing raw data to the request. If you are using the Web API, you probably do not want this function
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void SetPOSTParamRaw( const char *pchPostParamName, uint8 *pData, uint32 cubDataLen );
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// Raw iteration support for GET and POST parameters
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uint32 GetPOSTParamCount() const { return m_pProto->post_params_size(); }
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const char* GetPOSTParamName( uint32 i ) const { return m_pProto->post_params( i ).name().c_str(); }
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const char* GetPOSTParamValue( uint32 i ) const { return m_pProto->post_params( i ).value().c_str(); }
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uint32 GetGETParamCount() const { return m_pProto->get_params_size(); }
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const char* GetGETParamName( uint32 i ) const { return m_pProto->get_params( i ).name().c_str(); }
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const char* GetGETParamValue( uint32 i ) const { return m_pProto->get_params( i ).value().c_str(); }
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// Fetch a request header by header name and convert it to a time value
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RTime32 GetRequestHeaderTimeValue( const char *pchRequestHeaderName, RTime32 rtDefault = 0 ) const;
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// Fetch a request headers value by header name
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const char *GetRequestHeaderValue( const char *pchRequestHeaderName, const char *pchDefault = NULL ) const;
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// Set a header field for the request
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void SetRequestHeaderValue( const char *pchHeaderName, const char *pchHeaderString );
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// Set the method for the request object
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void SetEHTTPMethod( EHTTPMethod eMethod ) { m_pProto->set_request_method( eMethod ); }
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// Set the relative URL for the request
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void SetURL( const char *pchURL )
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{
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AssertMsg( pchURL && pchURL[0] == '/', "URLs must start with the slash (/) character. Param: %s", pchURL );
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m_pProto->set_url( pchURL );
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}
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void SetURLDirect( const char *pchURL, size_t size )
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{
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AssertMsg( pchURL && pchURL[0] == '/', "URLs must start with the slash (/) character. Param: %s", pchURL );
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m_pProto->set_url( pchURL, size );
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}
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// Set body data
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void SetBodyData( const void *pubData, uint32 cubData );
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bool BHasBodyData() { return m_pProto->has_body(); }
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uint GetBodyDataSize() const { return (uint)m_pProto->body().size(); }
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const char* GetBodyData() const { return m_pProto->body().c_str(); }
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// Set hostname for request to target (or host it was received on)
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void SetHostname( const char *pchHost ) { m_pProto->set_hostname( pchHost ); }
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void SetHostnameDirect( const char *pchHost, uint32 unLength ) { m_pProto->set_hostname( pchHost, unLength ); }
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const char *GetHostname() const { return m_pProto->hostname().c_str(); }
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// Set the overall timeout in seconds for this request
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void SetAbsoluteTimeoutSeconds( uint32 unSeconds ) { m_pProto->set_absolute_timeout( unSeconds ); }
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// Get the total absolute timeout value for the request
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uint32 GetAbsoluteTimeoutSeconds() { return m_pProto->absolute_timeout(); }
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//accesses the HTTP message
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const CMsgHttpRequest& GetProtoObj() const { return *m_pProto; }
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static void RetrieveURLEncodedData( const char *pchQueryString, int nQueryStrLen, CUtlVector<CMsgHttpRequest_QueryParam> &vecParams );
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protected:
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// Adds a GET param containing raw data to the request. If you are using the Web API, you probably do not want this function
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void SetGETParamRaw( const char *pchGetParamName, uint8 *pData, uint32 cubDataLen );
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// Common initialization code
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void Init( CMsgHttpRequest* pProto );
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//the protobuf object that stores all of our contents
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CMsgHttpRequest* m_pProto;
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//whether or not we own this proto and should free it when the object is destroyed
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bool m_bOwnProto;
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};
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//-----------------------------------------------------------------------------
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// Purpose: A wrapper to CHTTPRequest for Steam WebAPIs. Host, mode, and API key
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// are set automatically
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//-----------------------------------------------------------------------------
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class CSteamAPIRequest : public CHTTPRequest
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{
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public:
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CSteamAPIRequest( EHTTPMethod eMethod, const char *pchInterface, const char *pchMethod, int nVersion );
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};
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class CHTTPResponse
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{
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public:
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CHTTPResponse();
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virtual ~CHTTPResponse();
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// Get a specific headers data
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const char *GetResponseHeaderValue( const char *pchName, const char *pchDefault = NULL ) const { return m_pkvResponseHeaders->GetString( pchName, pchDefault ); }
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// Set a specific headers data, will clobber any existing value for that header
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virtual void SetResponseHeaderValue( const char *pchName, const char *pchValue ) { m_pkvResponseHeaders->SetString( pchName, pchValue ); }
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// Set status code for response
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virtual void SetStatusCode( EHTTPStatusCode eStatusCode ) { m_eStatusCode = eStatusCode; }
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// Set the expiration header based on a time delta from now
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void SetExpirationHeaderDeltaFromNow( int32 nSecondsFromNow );
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// Set the expiration header based on a time delta from now
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void SetHeaderTimeValue( const char *pchHeaderName, RTime32 rtTimestamp );
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// Get the entire headers KV (in case you want to iterate them all or such)
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KeyValues *GetResponseHeadersKV() const { return m_pkvResponseHeaders; }
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// Accessors to the body data in the response
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const uint8 *GetPubBody() const { return (uint8*)m_pbufBody->Base(); }
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uint32 GetCubBody() const { return m_pbufBody->TellPut(); }
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const CUtlBuffer *GetBodyBuffer() const { return m_pbufBody; }
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CUtlBuffer *GetBodyBuffer() { return m_pbufBody; }
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// Accessor
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EHTTPStatusCode GetStatusCode() const { return m_eStatusCode; }
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// writes the response into a protobuf for use in messages
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void SerializeIntoProtoBuf( CMsgHttpResponse & response ) const;
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// reads the response out of a protobuf from a message
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void DeserializeFromProtoBuf( const CMsgHttpResponse & response );
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protected:
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static CBufferPool &GetBufferPool();
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EHTTPStatusCode m_eStatusCode;
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CUtlBuffer *m_pbufBody;
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KeyValues *m_pkvResponseHeaders;
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};
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}
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#include "tier0/memdbgoff.h"
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#endif // HTTP_H
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