// Copyright (c) 2000-2009 Nokia Corporation and/or its subsidiary(-ies).

// All rights reserved.

// This component and the accompanying materials are made available

// under the terms of "Eclipse Public License v1.0"

// which accompanies this distribution, and is available

// at the URL "http://www.eclipse.org/legal/epl-v10.html".

//

// Initial Contributors:

// Nokia Corporation - initial contribution.

//

// Contributors:

//

// Description:

//

// System Include

#include <push/pushmessage.h>

#include "wapdecoder.h"

// User Include

#include "chttpresponse.h"

/**

Allocates and constructs a new WAP Push message object.

CPushMessage takes ownership of aHeader and aBody. aHeader and aBody must be put on

the cleanup stack before calling CPushMessage::NewL(), and the arguments must be poped

off the cleanupstack after CPushMessage has been constructed. For example:

@code

 	CleanupStack::PushL(header);

 	CleanupStack::PushL(body);

 	CPushMessagemessage = CPushMessage::NewL(header, body);

 	CleanupStack::Pop(2);	//header, body

	CleanupStack::PushL(message);

 	message->FunctionL();

@endcode

If the arguments are data members, than they must be set to null after CPushMessage 

has been constructed. For example:

@code

 	iMessage = CPushMessage::NewL(iHeader, iBody);

 	iHeader = NULL;

 	iBody = NULL;

@endcode

CPushMessage::NewLC can not be implemented as the arguments must be poped of the cleanupstack 

or set to NULL before pushing CPushMessage object on the cleanupstack. 

@param aHeader 

Pointer to message header. Ownership passes to CPushMessage.

@param aBody 

Pointer to message body. Ownership passes to CPushMessage.

@return 

New WAP Push message object.

*/

EXPORT_C CPushMessage* CPushMessage::NewL(HBufC8* aHeader, HBufC8* aBody)

	{

	__ASSERT_DEBUG(aHeader!=NULL,User::Invariant());

	CPushMessage* self =  new (ELeave) CPushMessage(aHeader);

	CleanupStack::PushL(self);

	self->ConstructL(aHeader, aBody, NULL);

	CleanupStack::Pop();

	return self;

	}

/** 

Allocates and constructs a new WAP Push message object.

It takes ownership of aHeader, aBody and aServerAddress. These must be put 

on the cleanup stack before calling NewL(), and popped off after the call 

returns.

@param aHeader 

Pointer to message header. Ownership passes to CPushMessage.

@param aBody 

Pointer to message body. Ownership passes to CPushMessage.

@param aPushID 

Message push ID.

@param aRemoteAddress 

Pointer to remote server address. Ownership passes to CPushMessage.

@return 

New WAP Push message object.

*/

EXPORT_C CPushMessage* CPushMessage::NewL(HBufC8* aHeader, HBufC8* aBody, 

										  TUint8 aPushID, HBufC8* aRemoteAddress)

	{

	__ASSERT_DEBUG(aHeader!=NULL,User::Invariant());

	CPushMessage* self =  new (ELeave) CPushMessage(aHeader, aPushID);

	CleanupStack::PushL(self);

	self->ConstructL(aHeader, aBody, aRemoteAddress);

	CleanupStack::Pop();

	return self;

	}

/**

Constructor.

@param aHeader 

Pointer to the push message header.

@param aPushID 

Push Message ID

*/

CPushMessage::CPushMessage(HBufC8* aHeader, TUint8 aPushID) : iPushID(aPushID)

	{

	iPushHeader.Set(*aHeader);

	}

/**

Constructor.

Ownership of aHeader is passed to the CHTTPResponse member.

@param aHeader 

Pointer to 8 bit descriptor with the header data.

@param aBody 

Pointer to 8 bit body data.

@param aRemoteAddress 

Pointer to 8 bit remote server address.

*/

void CPushMessage::ConstructL(HBufC8* aHeader, HBufC8* aBody, HBufC8* aRemoteAddress)

	{

	iHttpResponse = CHTTPResponse::NewL();

	iHttpResponse->AddResponse(aHeader);// Passes over ownership to iResponse

	iPushBody = aBody;// It is now safe to take ownership of aBody. CPushMessage::NewL can't fail after this point.

	iServerAddress = aRemoteAddress;

	}

/** 

Destructor. 

*/

EXPORT_C CPushMessage::~CPushMessage()

	{

	delete iHttpResponse;

	delete iPushBody;

	delete iServerAddress;

	delete iContentType;

	}

/** 

Gets the X-Wap-Application-Id field in the WSP header.

As the App Id can be either an integer or a URI string, the function handles 

both of these data types.

@param aAppURI 

On return, App Id URI (if present).

@param aAppID 

On return, App Id integer (if present).

@param aIsAnInt 

On return, ETrue if the App ID is an integer, EFalse if it's a URI.

@return 

True if the field was found, false if not.

@deprecated

Use the new CPushMessage::GetAppIdL function.

*/

EXPORT_C TBool CPushMessage::GetAppID(TPtrC8& aAppURI, TInt& aAppID, TBool& aIsAnInt)

	{

	TInt index = iHttpResponse->LocateField(EHttpXWapApplicationID);

	if (index == KErrNotFound)  //Field isn't present in the header

		return EFalse;

	// Use our friendship to take a peek at the first byte 

	// of the next field - is it a text character?

	TInt nextByte = iHttpResponse->iResponse->Des()[index];

	if (nextByte > 0x1F && nextByte < 0x80)  // call FindField as it's a string

		{

		iHttpResponse->FindField(EHttpXWapApplicationID, aAppURI);

		aIsAnInt = EFalse;

		}

	else

		{

		if (nextByte >=0x80) // Bit 7 set - encoded short integer value <=127

			aAppID = (nextByte & 0x7F); // AND away Bit7 to get the integer value

		else

			{

			TPtrC8 sourceBuffer =  iHttpResponse->iResponse->Des().Mid(index);

			TWapBinCodex::ExtractMultiOctetInteger(sourceBuffer, aAppID);

			}

		aIsAnInt = ETrue;

		}

	return ETrue;

	}

/** 

Gets the X-Wap-Application-Id field in the WSP header.

The App Id can be in either an integer or a URI string format - this function

handles both of these formats.

@param aAppURI 

An output argument with the App ID, URI string format. Only valid if aIsInt is

true and the function returns a value of true.

@param aAppID 

An output argument with the App ID, integer format. Only valid if aIsInt is true

and the function returns a value of true.

@param	aIsInt 

An output argument indicating if the App ID is in integer format. Only valid if

the function returns a value of true.

@return 

A value of true if the X-Wap-Application-Id field was found, false if not.

@leave	KErrCorrupt

The App ID could not be parsed as the binary data was corrupted.

*/

EXPORT_C TBool CPushMessage::GetAppIdL(TPtrC8& aAppURI, TInt& aAppID, TBool& aIsInt)

	{

	TInt index = iHttpResponse->LocateField(EHttpXWapApplicationID);

	if (index == KErrNotFound)  // X-Wap-Application-Id field isn't present

		return EFalse;

	User::LeaveIfError(index);

	// Use our friendship to take a peek at the first byte 

	// of the next field - is it a text character?

	TInt nextByte = iHttpResponse->iResponse->Des()[index];

	if (nextByte > 0x1F && nextByte < 0x80)  

		{

		// The AppId is given in Uri-value format - a string. Use FindField

		// to get the AppId.

		iHttpResponse->FindField(EHttpXWapApplicationID, aAppURI);

		aIsInt = EFalse;

		}

	else

		{

		// The AppId is in either Short-integer or Long-integer format...

		if (nextByte >=0x80)

			{

			// The AppId is in Short-integer format - 

			//		Short-integer = OCTET 

			//		; encoded as 7-nit data - 1xxx xxxx

			//

			// Using AND function to mask 7th bit and get the AppId.

			aAppID = (nextByte & 0x7F); 

			}

		else

			{

			// The AppId is in Long-integer format.

			TPtrC8 sourceBuffer =  iHttpResponse->iResponse->Des().Mid(index);

			User::LeaveIfError(TWapBinCodex::ParseMultiOctetInteger(sourceBuffer, aAppID));

			}

		aIsInt = ETrue;

		}

	return ETrue;

	}

/** 

Gets the Content-Type header.

If the content type is not found or not recognised, a default of "application/octet-stream" 

is returned.

@param aContentType 

On return, Content-Type header value. An empty descriptor (zero-length) indicates an 

allocation error occured. 

*/

EXPORT_C void CPushMessage::GetContentType(TPtrC& aContentType) const

	{

	if (iPushHeader.Length())

		{

		// Get content type from HTTPResponse

		TPtrC8 type;

		iHttpResponse->ContentType(type);

		// Copy content-type to local unicode buffer

		delete iContentType;

		iContentType = NULL;

		iContentType = HBufC::New(type.Length());

		if(iContentType)

			{

			TPtr typeBuffer(iContentType->Des());

			typeBuffer.Copy(type);

			aContentType.Set(*iContentType);

			}

		else // Buffer could not be created so set to null descriptor

			aContentType.Set(KNullDesC());

		}

	}

/** 

Gets a specified header field.

@param aField 

Header field identifier.

@param aFieldValue 

On return, the header field text.

@return 

True if the field was found, false if not.

*/

EXPORT_C TBool CPushMessage::GetHeaderField(THttpHeaderField aField, TPtrC8& aFieldValue) const

	{

	return iHttpResponse->FindField(aField, aFieldValue);

	}

/** 

Gets a specified header field as an 8-bit octet data.

@param aField 

Header field identifier.

@param aFieldValue 

On return, the header field value in binary form.

@return 

True if the field was found, false if not.

*/

EXPORT_C TBool CPushMessage::GetBinaryHeaderField(THttpHeaderField aField, TPtrC8& aFieldValue) const 

	{

	return iHttpResponse->FindBinaryDescField(aField, aFieldValue);

	}

/** 

Gets a specified header field as a date/time value.

@param aField 

Header field identifier.

@param aTime 

On return, the header field value in date/time form.

@return 

True if the field was found, false if not. 

*/

EXPORT_C TBool CPushMessage::GetHeaderField(THttpHeaderField aField, TTime& aTime) const

	{

	return iHttpResponse->FindField(aField, aTime);

	}

/** 

Gets the message body.

@param aMessageBodyPtr 

On return, the message body. KNullDesC8 if no body was found. 

@return 

True if a message body was found, false if it was empty. 

*/

EXPORT_C TBool CPushMessage::GetMessageBody(TPtrC8& aMessageBodyPtr) const

	{

	if (iPushBody == NULL)

		{

		aMessageBodyPtr.Set(KNullDesC8); 

		return EFalse; 

		}

	else

		{

		aMessageBodyPtr.Set(*iPushBody);

		return ETrue;

		}

	}

/** 

Gets the complete message header.

@param aMessageHeaderPtr 

On return, the complete message header. KNullDesC8 if no header was found.

@return 

True if a message header was found, false if it was empty. 

*/

EXPORT_C TBool CPushMessage::GetHeader(TPtrC8& aMessageHeaderPtr) const

	{

	aMessageHeaderPtr.Set(iPushHeader);

	return ETrue;

	}

/** 

Gets the remote server address.

@param aServerAddress 

On return, the remote server address (if present).

@return 

True if the remote server address was found, false if not. 

*/

EXPORT_C TBool CPushMessage::GetServerAddress(TPtrC8& aServerAddress) const

	{

	if (iServerAddress)

		{

		aServerAddress.Set(*iServerAddress);

		return ETrue;

		}

	return EFalse;