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BUG#: 7560
TITLE: CIMClient does not validate Content-Type charset
DESCRIPTION: Move the Content-Type validation from the HTTPMessage to the decoders, and make the validation in the CIMClient decoder consistent with the others.

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#ifndef Pegasus_HTTPMessage_h
#define Pegasus_HTTPMessage_h

#include <iostream>
#include <Pegasus/Common/Config.h>
#include <Pegasus/Common/MessageQueue.h>
#include <Pegasus/Common/Pair.h>
#include <Pegasus/Common/String.h>
#include <Pegasus/Common/Message.h>
#include <Pegasus/Common/ArrayInternal.h>
#include <Pegasus/Common/AuthenticationInfo.h>
#include <Pegasus/Common/Linkage.h>
#include <Pegasus/Common/AcceptLanguageList.h>
#include <Pegasus/Common/ContentLanguageList.h>
#include <Pegasus/Common/Buffer.h>

PEGASUS_NAMESPACE_BEGIN

typedef Pair<String, String> HTTPHeader;

/** This message is sent from a connection to its output queue when
    a complete HTTP message is received.
*/
class PEGASUS_COMMON_LINKAGE HTTPMessage : public Message
{
public:

    typedef Message Base;

    HTTPMessage(
        const Buffer& message_,
        Uint32 queueId_ = 0,
        const CIMException* cimException_ = 0);

    HTTPMessage(const HTTPMessage & msg);

    Buffer message;
    Uint32 queueId;
    String ipAddress;
    AuthenticationInfo* authInfo;
    AcceptLanguageList acceptLanguages;
    ContentLanguageList contentLanguages;
    Boolean acceptLanguagesDecoded;
    Boolean contentLanguagesDecoded;
    CIMException cimException;

    void parse(
        String& startLine,
        Array<HTTPHeader>& headers,
        Uint32& contentLength) const;

#ifdef PEGASUS_DEBUG
    void printAll(PEGASUS_STD(ostream)& os) const;
#endif

    static void lookupHeaderPrefix(
        Array<HTTPHeader>& headers,
        const String& fieldName,
        String& prefix);

    static Boolean lookupHeader(
        Array<HTTPHeader>& headers,
        const String& fieldName,
        String& fieldValue,
        Boolean allowNamespacePrefix = false);

    static Boolean parseRequestLine(
        const String& startLine,
        String& methodName,
        String& requestUri,
        String& httpVersion);

    static Boolean parseStatusLine(
        const String& statusLine,
        String& httpVersion,
        Uint32& statusCode,
        String& reasonPhrase);

    static Boolean parseContentTypeHeader(
        const String& contentTypeHeader,
        String& type,
        String& charset);

    static Boolean parseLocalAuthHeader(
        const String& authHeader,
        String& authType,
        String& userName,
        String& cookie);

    static Boolean parseHttpAuthHeader(
        const String& authHeader,
        String& authType,
        String& cookie);

    /**
        Advances a given pointer to the first character that is not
        HTTP header whitespace (space or tabs).

        @param  str    Input string.
    */
    static void skipHeaderWhitespace(const char*& str);

    /**
        Looks for a token in the beginning of a given string.

        @param  str    input string to be searched
        @param  token  token to look for
 
        @return true   if the token is found in the string after skipping 
                        the leading whitespaces if any.
        @return false  if the token is not found.
    */
    static Boolean expectHeaderToken(const char*& str, const char *token);

    /**
        Returns a pointer to the first CRLF or a LF separator.

        @param  data   input string. 
        @param  size   size of the input string.
 
        @return pointer to the first CRLF or LF separator if any, else 
                returns NULL.
    */
    static char* findSeparator(
        const char* data,
        Uint32 size);
};

PEGASUS_NAMESPACE_END

#endif /* Pegasus_HTTPMessage_h */