/usr/include/x86_64-linux-gnu/zypp/FileChecker.h is in libzypp-dev 14.29.1-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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/** \file zypp/FileChecker.h
*
*/
#ifndef ZYPP_FILECHECKER_H
#define ZYPP_FILECHECKER_H
#include <iosfwd>
#include <list>
#include "zypp/base/Exception.h"
#include "zypp/base/Function.h"
#include "zypp/PathInfo.h"
#include "zypp/CheckSum.h"
#include "zypp/KeyContext.h"
///////////////////////////////////////////////////////////////////
namespace zypp
{ /////////////////////////////////////////////////////////////////
class PublicKey;
/**
* Functor signature used to check files.
* \param file File to check.
*
* \throws FileCheckException when the file does not
* validate and the user don't want to continue.
*/
typedef function<void ( const Pathname &file )> FileChecker;
class FileCheckException : public Exception
{
public:
FileCheckException(const std::string &msg)
: Exception(msg)
{}
};
class CheckSumCheckException : public FileCheckException
{
//TODO
};
class SignatureCheckException : public FileCheckException
{
//TODO
};
/**
* Built in file checkers
*/
/**
* \short Checks for a valid checksum and interacts with the user.
*/
class ChecksumFileChecker
{
public:
/**
* Constructor.
* \param checksum Checksum that validates the file
*/
ChecksumFileChecker( const CheckSum &checksum );
/**
* \short Try to validate the file
* \param file File to validate.
*
* \throws CheckSumCheckException if validation fails
*/
void operator()( const Pathname &file ) const;
private:
CheckSum _checksum;
};
/**
* \short Checks for the validity of a signature
*/
class SignatureFileChecker
{
public:
/**
* Constructor.
* \param signature Signature that validates the file
*/
SignatureFileChecker( const Pathname &signature );
/**
* Default Constructor.
* \short Signature for unsigned files
* Use it when you dont have a signature but you want
* to check the user to accept an unsigned file.
*/
SignatureFileChecker();
/**
* Set context for this checker.
*
* Use this method if you're not adding the key (with context) via
* one of the addPublicKey methods. The addPublicKey method overwrites
* the context.
*/
void setKeyContext(const KeyContext & keycontext);
/**
* add a public key to the list of known keys
*/
void addPublicKey( const PublicKey & publickey, const KeyContext & keycontext = KeyContext());
/** \overload Convenience taking the public keys pathname. */
void addPublicKey( const Pathname & publickey, const KeyContext & keycontext = KeyContext());
/**
* \short Try to validate the file
* \param file File to validate.
*
* \throws SignatureCheckException if validation fails
*/
void operator()( const Pathname &file ) const;
protected:
Pathname _signature;
KeyContext _context;
};
/**
* \short Checks for nothing
* Used as the default checker
*/
class NullFileChecker
{
public:
void operator()( const Pathname &file ) const;
};
/**
* \short Checker composed of more checkers.
*
* Allows to create a checker composed of various
* checkers altothether. It will only
* validate if all the checkers validate.
*
* \code
* CompositeFileChecker com;
* com.add(checker1);
* com.add(checker2);
* fetcher.enqueue(location, com);
* \endcode
*/
class CompositeFileChecker
{
public:
void add( const FileChecker &checker );
/**
* \throws FileCheckException if validation fails
*/
void operator()( const Pathname &file ) const;
int checkersSize() const { return _checkers.size(); }
private:
std::list<FileChecker> _checkers;
};
/** \relates FileChecker Stream output */
std::ostream & operator<<( std::ostream & str, const FileChecker & obj );
/////////////////////////////////////////////////////////////////
} // namespace zypp
///////////////////////////////////////////////////////////////////
#endif // ZYPP_FILECHECKER_H
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