273 lines
8.6 KiB
C++
273 lines
8.6 KiB
C++
#include "filesystem.h"
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Filesystem::Directory::Directory( std::string PathName, std::string BasePath ) {
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MyBase = BasePath;
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if( PathName[0] == '/' ) { PathName.erase(0,1); }
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if( BasePath[BasePath.size()-1] != '/' ) { BasePath += "/"; }
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MyPath = PathName;
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FillEntries( );
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}
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Filesystem::Directory::~Directory( ) { }
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void Filesystem::Directory::FillEntries( ) {
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fprintf( stderr, "Filling Entries of %s:\n", (MyBase + MyPath).c_str() );
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ValidDir = true;
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struct stat StatBuf;
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Entries.clear();
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DIR * Dirp = opendir( (MyBase + MyPath).c_str() );
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if( !Dirp ) {
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ValidDir = false;
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} else {
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dirent * entry;
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while( entry = readdir( Dirp ) ) {
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if( stat((MyBase + MyPath + "/" + entry->d_name).c_str(), &StatBuf) == -1 ) {
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fprintf( stderr, "\tSkipping %s\n\t\tReason: %s\n", entry->d_name, strerror(errno) );
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continue;
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}
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///Convert stat to string
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Entries[ std::string( entry->d_name ) ] = StatBuf;
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}
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}
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fprintf( stderr, "Valid dir: %d\n", ValidDir );
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fprintf( stderr, "#Entries: %d\n", Entries.size() );
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}
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void Filesystem::Directory::Print( ) {
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if( !ValidDir ) {
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printf( "%s is not a valid directory\n", (MyBase + MyPath).c_str() );
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return;
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}
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printf( "%s:\n", (MyBase + MyPath).c_str() );
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for( std::map<std::string, struct stat>::iterator it = Entries.begin(); it != Entries.end(); it++ ) {
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printf( "\t%s\n", (*it).first.c_str() );
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}
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printf( "\n" );
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}
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bool Filesystem::Directory::IsDir( ) {
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return ValidDir;
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}
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std::string Filesystem::Directory::PWD( ) {
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return "/" + MyPath;
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}
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std::string Filesystem::Directory::LIST( std::vector<std::string> ActiveStreams ) {
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FillEntries( );
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int MyPermissions;
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std::stringstream Converter;
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passwd* pwd;//For Username
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group* grp;//For Groupname
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tm* tm;//For time localisation
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char datestring[256];//For time localisation
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std::string MyLoc = MyBase + MyPath;
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if( MyLoc[MyLoc.size()-1] != '/' ) { MyLoc += "/"; }
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for( std::map<std::string,struct stat>::iterator it = Entries.begin(); it != Entries.end(); it++ ) {
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bool Active = ( std::find( ActiveStreams.begin(), ActiveStreams.end(), (*it).first ) != ActiveStreams.end() );
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fprintf( stderr, "%s active?: %d\n", (*it).first.c_str(), Active );
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fprintf( stderr, "\tMyPath: %s\n\tVisible: %d\n", MyPath.c_str(), MyVisible[MyPath] );
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fprintf( stderr, "\t\tBitmask S_ACTIVE: %d\n\t\tBitmask S_INACTIVE: %d\n", MyVisible[MyPath] & S_ACTIVE, MyVisible[MyPath] & S_INACTIVE );
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if( ( Active && ( MyVisible[MyPath] & S_ACTIVE ) ) || ( (!Active) && ( MyVisible[MyPath] & S_INACTIVE ) ) || ( ((*it).second.st_mode / 010000 ) == 4 ) ) {
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if( ((*it).second.st_mode / 010000) == 4 ) { Converter << 'd'; } else { Converter << '-'; }
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MyPermissions = ( ( (*it).second.st_mode % 010000 ) / 0100 );
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if( MyPermissions & 4 ) { Converter << 'r'; } else { Converter << '-'; }
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if( MyPermissions & 2 ) { Converter << 'w'; } else { Converter << '-'; }
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if( MyPermissions & 1 ) { Converter << 'x'; } else { Converter << '-'; }
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MyPermissions = ( ( (*it).second.st_mode % 0100 ) / 010 );
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if( MyPermissions & 4 ) { Converter << 'r'; } else { Converter << '-'; }
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if( MyPermissions & 2 ) { Converter << 'w'; } else { Converter << '-'; }
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if( MyPermissions & 1 ) { Converter << 'x'; } else { Converter << '-'; }
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MyPermissions = ( (*it).second.st_mode % 010 );
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if( MyPermissions & 4 ) { Converter << 'r'; } else { Converter << '-'; }
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if( MyPermissions & 2 ) { Converter << 'w'; } else { Converter << '-'; }
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if( MyPermissions & 1 ) { Converter << 'x'; } else { Converter << '-'; }
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Converter << ' ';
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Converter << (*it).second.st_nlink;
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Converter << ' ';
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if( (pwd = getpwuid((*it).second.st_uid)) ) {
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Converter << pwd->pw_name;
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} else {
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Converter << (*it).second.st_uid;
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}
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Converter << ' ';
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if( (grp = getgrgid((*it).second.st_gid) ) ) {
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Converter << grp->gr_name;
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} else {
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Converter << (*it).second.st_gid;
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}
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Converter << ' ';
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Converter << (*it).second.st_size;
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Converter << ' ';
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tm = localtime(&((*it).second.st_mtime));
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strftime(datestring, sizeof(datestring), "%b %d %H:%M", tm);
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Converter << datestring;
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Converter << ' ';
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Converter << (*it).first;
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Converter << '\n';
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}
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}
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return Converter.str();
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}
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bool Filesystem::Directory::CWD( std::string Path ) {
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if( Path[0] == '/' ) {
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Path.erase(0,1);
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MyPath = Path;
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} else {
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if( MyPath != "" ) {
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MyPath += "/";
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}
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MyPath += Path;
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}
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FillEntries();
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printf( "New Path: %s\n", MyPath.c_str() );
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if( MyPermissions.find( MyPath ) != MyPermissions.end() ) {
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printf( "\tPermissions: %d\n", MyPermissions[MyPath] );
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}
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return SimplifyPath( );
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}
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bool Filesystem::Directory::CDUP( ) {
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return CWD( ".." );
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}
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std::string Filesystem::Directory::RETR( std::string Path ) {
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std::string Result;
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std::string FileName;
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if( Path[0] == '/' ) {
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Path.erase(0,1);
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FileName = MyBase + Path;
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} else {
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FileName = MyBase + MyPath + "/" + Path;
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}
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std::ifstream File;
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File.open( FileName.c_str() );
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while( File.good() ) { Result += File.get(); }
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File.close();
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return Result;
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}
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void Filesystem::Directory::STOR( std::string Path, std::string Data ) {
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if( MyPermissions.find( MyPath ) == MyPermissions.end() || ( MyPermissions[MyPath] & P_STOR ) ) {
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std::string FileName;
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if( Path[0] == '/' ) {
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Path.erase(0,1);
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FileName = MyBase + Path;
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} else {
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FileName = MyBase + MyPath + "/" + Path;
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}
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std::ofstream File;
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File.open( FileName.c_str() );
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File << Data;
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File.close();
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}
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}
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bool Filesystem::Directory::SimplifyPath( ) {
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MyPath += "/";
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fprintf( stderr, "MyPath: %s\n", MyPath.c_str() );
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std::vector<std::string> TempPath;
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std::string TempString;
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for( std::string::iterator it = MyPath.begin(); it != MyPath.end(); it ++ ) {
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if( (*it) == '/' ) {
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if( TempString == ".." ) {
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if( !TempPath.size() ) {
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return false;
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}
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TempPath.erase( (TempPath.end()-1) );
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} else if ( TempString != "." && TempString != "" ) {
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TempPath.push_back( TempString );
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}
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TempString = "";
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} else {
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TempString += (*it);
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}
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}
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MyPath = "";
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for( std::vector<std::string>::iterator it = TempPath.begin(); it != TempPath.end(); it++ ) {
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MyPath += (*it);
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if( it != ( TempPath.end() - 1 ) ) { MyPath += "/"; }
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}
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if( MyVisible.find( MyPath ) == MyVisible.end() ) {
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MyVisible[MyPath] = S_ALL;
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}
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return true;
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}
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bool Filesystem::Directory::DELE( std::string Path ) {
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if( MyPermissions.find( MyPath ) == MyPermissions.end() || ( MyPermissions[MyPath] & P_DELE ) ) {
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std::string FileName;
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if( Path[0] == '/' ) {
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Path.erase(0,1);
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FileName = MyBase + Path;
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} else {
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FileName = MyBase + MyPath + "/" + Path;
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}
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if( std::remove( FileName.c_str() ) ) {
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fprintf( stderr, "Removing file %s unsuccesfull\n", FileName.c_str() );
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return false;
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}
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return true;
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}
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return false;
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}
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bool Filesystem::Directory::MKD( std::string Path ) {
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std::string FileName;
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if( Path[0] == '/' ) {
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Path.erase(0,1);
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FileName = MyBase + Path;
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} else {
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FileName = MyBase + MyPath + "/" + Path;
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}
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if( mkdir( FileName.c_str(), S_IRUSR | S_IWUSR | S_IXUSR | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH ) ) {
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fprintf( stderr, "Creating directory %s unsuccesfull\n", FileName.c_str() );
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return false;
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}
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MyVisible[FileName] = S_ALL;
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return true;
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}
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bool Filesystem::Directory::Rename( std::string From, std::string To ) {
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if( MyPermissions.find( MyPath ) == MyPermissions.end() || ( MyPermissions[MyPath] & P_RNFT ) ) {
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std::string FileFrom;
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if( From[0] == '/' ) {
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From.erase(0,1);
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FileFrom = MyBase + From;
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} else {
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FileFrom = MyBase + MyPath + "/" + From;
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}
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std::string FileTo;
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if( To[0] == '/' ) {
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FileTo = MyBase + To;
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} else {
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FileTo = MyBase + MyPath + "/" + To;
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}
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if( std::rename( FileFrom.c_str(), FileTo.c_str() ) ) {
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fprintf( stderr, "Renaming file %s to %s unsuccesfull\n", FileFrom.c_str(), FileTo.c_str() );
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return false;
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}
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return true;
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}
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return false;
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}
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void Filesystem::Directory::SetPermissions( std::string Path, char Permissions ) {
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MyPermissions[Path] = Permissions;
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}
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bool Filesystem::Directory::HasPermission( char Permission ) {
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if( MyPermissions.find( MyPath ) == MyPermissions.end() || ( MyPermissions[MyPath] & Permission ) ) {
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return true;
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}
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return false;
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}
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void Filesystem::Directory::SetVisibility( std::string Pathname, char Visible ) {
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MyVisible[Pathname] = Visible;
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}
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