fileinfo/main.cpp
2024-08-24 16:24:34 +03:00

360 lines
10 KiB
C++

// Set this if you don't want MIME types
//#define NO_MIME
#include <iostream>
#include <cstdlib>
#include <cstdio>
#include <sys/stat.h>
#include <cstring>
#include <unistd.h>
#ifndef NO_MIME
#include <magic.h>
#endif
#include <string>
#include <vector>
#include <sys/types.h>
#include <dirent.h>
enum FileType {
Unknown,
File, Folder,
#ifndef NO_MIME
Archive, Audio,
Application,
Video, Binary,
Text
#endif
};
std::vector<int> get_files_in_directory(const std::string& path)
{
DIR* dp = opendir(path.c_str());
// int normal, hidden;
int normal[2] = {0,0};
int hidden[2] = {0,0};
if (dp != nullptr) {
struct dirent* ep;
while((ep = readdir(dp))) {
// if (ep->d_name[0] != '.') i++;
if (strcmp(ep->d_name, ".") != 0 && strcmp(ep->d_name, "..") != 0) {
if (ep->d_name[0] == '.') {
hidden[(ep->d_type == DT_DIR) ? 1 : 0]++;
}else {
normal[(ep->d_type == DT_DIR) ? 1 : 0]++;
}
}
}
(void)closedir(dp);
}
else
perror("Couldn't open the directory");
std::vector<int> result;
result.insert(result.end(), normal[0]);
result.insert(result.end(), normal[1]);
result.insert(result.end(), hidden[0]);
result.insert(result.end(), hidden[1]);
return result;
}
bool starts_with(const std::string& prefix, const std::string& string) {
return string.rfind(prefix, 0) == 0;
}
bool is_archive(const std::string& mime_type)
{
const std::string archives[] = {
"application/x-archive",
"application/x-cpio",
"application/x-shar",
"application/x-iso9660-image",
"application/x-sbx",
"application/x-tar",
"application/x-brotli",
"application/x-bzip2",
"application/vnd.genozip",
"application/gzip",
"application/x-lzip",
"application/x-lzma",
"application/x-lzop",
"application/x-snappy-framed",
"application/x-xz",
"application/x-compress",
"application/x-compress",
"application/zstd",
"application/x-7z-compressed",
"application/x-ace-compressed",
"application/x-astrotite-afa",
"application/x-alz-compressed",
"application/vnd.android.package-archive",
"application/x-freearc",
"application/x-arj",
"application/x-b1",
"application/vnd.ms-cab-compressed",
"application/x-cfs-compressed",
"application/x-dar",
"application/x-dgc-compressed",
"application/x-apple-diskimage",
"application/x-gca-compressed",
"application/java-archive",
"application/x-lzh",
"application/x-lzx",
"application/x-rar-compressed",
"application/x-stuffit",
"application/x-stuffitx",
"application/x-gtar",
"application/x-ms-wim",
"application/x-xar",
"application/zip",
"application/x-zoo"
};
int len = sizeof(archives)/sizeof(archives[0]);
for(int i = 0; i < len; ++i)
{
if(starts_with(archives[i], mime_type))
{
return true;
}
}
return false;
}
std::string get_name_from_filetype(const enum FileType fs)
{
switch (fs) {
#ifndef NO_MIME
case FileType::Application:
return "Application";
case FileType::Archive:
return "Archive";
case FileType::Audio:
return "Audio";
case FileType::Binary:
return "Binary";
#endif
case FileType::File:
return "File";
case FileType::Folder:
return "Folder";
#ifndef NO_MIME
case FileType::Text:
return "Text";
case FileType::Video:
return "Video";
#endif
default:
return "Unknown";
}
}
std::string get_emoji_from_filetype(const enum FileType fs)
{
switch (fs) {
#ifndef NO_MIME
case FileType::Application:
return "⚙️";
case FileType::Archive:
return "🗜️";
case FileType::Audio:
return "🎵";
case FileType::Binary:
return "⚙️";
#endif
case FileType::File:
return "📄";
case FileType::Folder:
return "📁";
#ifndef NO_MIME
case FileType::Text:
return "📝";
case FileType::Video:
return "🎥";
#endif
default:
return "?";
}
}
std::string readable_fs(const long int size /*in bytes*/, const double divide_by = 1024, const std::string& suffix = "B")
{
if(size < 1024) {
char buffer[128];
sprintf(buffer, "%i B", static_cast<int>(size));
std::string result(buffer);
return buffer;
}
auto result = static_cast<double>(size);
int i = 0;
const std::string units[] = {"", "K", "M", "G", "T", "P", "E", "Z", "Y"};
while (result > divide_by) {
result /= divide_by;
i++;
}
char buffer[128];
sprintf(buffer, "%.*f %s%s", i, result, units[i].c_str(), suffix.c_str());
std::string str_result(buffer);
return str_result;
}
#ifndef NO_MIME
std::string get_mime(const std::string& filename)
{
const char* file_path = filename.c_str();
const auto magic_cookie = static_cast<const magic_t>(magic_open(MAGIC_MIME_TYPE));
if (magic_cookie == nullptr) {
std::cerr << "Unable to initialize libmagic\n";
return "";
}
// Load definitions from the mime types database
if (magic_load(magic_cookie, nullptr) != 0) {
std::cerr << "Unable to load database definitions\n";
magic_close(magic_cookie);
return "";
}
// Determines the MIME type of the file
const char *mime_type = magic_file(magic_cookie, file_path);
if (mime_type == nullptr) {
std::cerr << "Unable to determine the MIME type of the file\n";
magic_close(magic_cookie);
return "";
}
std::string result(mime_type);
// Close libmagic
magic_close(magic_cookie);
return result;
}
#endif
std::string print_permissions(mode_t mode, bool is_dir) {
std::string user;
user += (mode & S_IRUSR) ? "r" : "-";
user += (mode & S_IWUSR) ? "w" : "-",
user += (mode & S_IXUSR) ? "x" : "-";
std::string group;
group += (mode & S_IRGRP) ? "r" : "-";
group += (mode & S_IWGRP) ? "w" : "-";
group += (mode & S_IXGRP) ? "x" : "-";
std::string other;
other += (mode & S_IROTH) ? "r" : "-";
other += (mode & S_IWOTH) ? "w" : "-";
other += (mode & S_IXOTH) ? "x" : "-";
return (is_dir ? "d" : "-") + user + group + other;
}
std::string basename(const std::string& filepath) {
return filepath.substr(filepath.find_last_of("/\\") + 1);
}
int main(int argc, char *argv[])
{
bool absolute = false;
bool emojis = true;
// char* filename = "/home/pavlik/Desktop/twrp-3.7.0_9-0-starlte.img";
if (argc < 2) {
std::cerr << "Usage:\n\t" << argv[0] << " [args] filename ...\n";
std::cerr << "Args:" << std::endl;
std::cerr << "\t-A Output absolute path" << std::endl;
std::cerr << "\t-E Do not show emojis" << std::endl;
return 255;
}
std::vector<std::string> files;
for (int i = 1; i < argc; ++i) {
if (argv[i][0] != '-') {
std::string temp(argv[i]);
files.insert(files.end(), temp);
} else {
std::string arg(argv[i]);
if(arg == "-A") {
absolute = true;
}
if (arg == "-E") {
emojis = false;
}
}
}
size_t last = files.size();
for (size_t i = 0; i < last; ++i) {
const std::string& filename = files[i];
char* c_filename = const_cast<char*>(filename.c_str());
struct stat file_stat = {};
if (stat(filename.c_str(), &file_stat) != 0) {
perror("stat");
return 1;
}
// start
int is_file = S_ISREG(file_stat.st_mode);
char temp[4097] = {'\0'};
if (realpath(c_filename, temp) == nullptr) {
perror("realpath");
return 1;
}
std::string full_name(temp); // = malloc(4097);
// delete[] temp;
std::string name = basename(full_name);
if(!is_file) name += "/";
#ifndef NO_MIME
std::string mime_type = get_mime(full_name);
#endif
FileType file;
#ifdef NO_MIME
file = (is_file) ? FileType::File : FileType::Folder;
#else
if (starts_with("inode/directory", mime_type) || !is_file) {
file = FileType::Folder;
} else if (is_archive(mime_type)) {
file = FileType::Archive;
} else if (starts_with("application/octet-stream", mime_type)) {
file = FileType::Binary;
} else if (starts_with("application", mime_type)) {
file = FileType::Application;
} else if (starts_with("audio", mime_type)) {
file = FileType::Audio;
} else if (starts_with("video", mime_type)) {
file = FileType::Video;
} else if (starts_with("text", mime_type)) {
file = FileType::Text;
} else {
file = FileType::Unknown;
}
#endif
std::string type = get_name_from_filetype(file);
std::string emoji = get_emoji_from_filetype(file);
if (emojis) printf("%s ", emoji.c_str());
printf("\033[1m%s\033[0m:\n", name.c_str());
printf("\tName: %s\n", name.c_str());
printf("\tType: %s\n", type.c_str());
if (absolute) printf("\tAbsolute path: %s\n", full_name.c_str());
#ifndef NO_MIME
printf("\tMIME: %s\n", mime_type.c_str());
#endif
if (is_file) {
std::string _1024 = readable_fs(file_stat.st_size, 1000, "B");
std::string _1000 = readable_fs(file_stat.st_size, 1024, "iB");
if (file_stat.st_size >= 1000) printf("\tFile size: %s or %s (%li bytes)\n", _1024.c_str(), _1000.c_str(), file_stat.st_size);
else printf("\tFile size: %li bytes\n", file_stat.st_size);
} else {
auto insides = get_files_in_directory(full_name);
printf("\tContents:\n");
printf("\t\tNormal: %i files and %i folders.\n", insides[0], insides[1]);
printf("\t\tHidden: %i files and %i folders.\n", insides[2], insides[3]);
}
printf("\tPermissions: %s\n", print_permissions(file_stat.st_mode, !is_file).c_str());
if (i != last-1) {
printf("\n");
}
}
return 0;
}