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[windows] handle unexpected conditions (#1185)

pull/1301/head
R4SAS 6 years ago
parent
commit
7d0d421724
  1. 351
      libi2pd/FS.cpp

351
libi2pd/FS.cpp

@ -11,6 +11,7 @@
#ifdef _WIN32 #ifdef _WIN32
#include <shlobj.h> #include <shlobj.h>
#include <windows.h>
#endif #endif
#include "Base.h" #include "Base.h"
@ -20,187 +21,211 @@
namespace i2p { namespace i2p {
namespace fs { namespace fs {
std::string appName = "i2pd"; std::string appName = "i2pd";
std::string dataDir = ""; std::string dataDir = "";
#ifdef _WIN32 #ifdef _WIN32
std::string dirSep = "\\"; std::string dirSep = "\\";
#else #else
std::string dirSep = "/"; std::string dirSep = "/";
#endif #endif
const std::string & GetAppName () { const std::string & GetAppName () {
return appName; return appName;
} }
void SetAppName (const std::string& name) { void SetAppName (const std::string& name) {
appName = name; appName = name;
} }
const std::string & GetDataDir () { const std::string & GetDataDir () {
return dataDir; return dataDir;
} }
void DetectDataDir(const std::string & cmdline_param, bool isService) { void DetectDataDir(const std::string & cmdline_param, bool isService) {
if (cmdline_param != "") { if (cmdline_param != "") {
dataDir = cmdline_param; dataDir = cmdline_param;
return; return;
} }
#if defined(WIN32) || defined(_WIN32) #if defined(WIN32) || defined(_WIN32)
char localAppData[MAX_PATH]; char localAppData[MAX_PATH];
// check executable directory first
GetModuleFileName (NULL, localAppData, MAX_PATH); // check executable directory first
auto execPath = boost::filesystem::path(localAppData).parent_path(); if(!GetModuleFileName(NULL, localAppData, MAX_PATH))
// if config file exists in .exe's folder use it {
if(boost::filesystem::exists(execPath/"i2pd.conf")) // TODO: magic string #if defined(WIN32_APP)
dataDir = execPath.string (); MessageBox(NULL, TEXT("Unable to get application path!"), TEXT("I2Pd: error"), MB_ICONERROR | MB_OK);
else #else
{ fprintf(stderr, "Error: Unable to get application path!");
// otherwise %appdata% #endif
SHGetFolderPath(NULL, CSIDL_APPDATA, NULL, 0, localAppData); exit(1);
dataDir = std::string(localAppData) + "\\" + appName; }
} else
return; {
auto execPath = boost::filesystem::path(localAppData).parent_path();
// if config file exists in .exe's folder use it
if(boost::filesystem::exists(execPath/"i2pd.conf")) // TODO: magic string
dataDir = execPath.string ();
else // otherwise %appdata%
{
if(SHGetFolderPath(NULL, CSIDL_APPDATA, NULL, 0, localAppData) != S_OK)
{
#if defined(WIN32_APP)
MessageBox(NULL, TEXT("Unable to get AppData path!"), TEXT("I2Pd: error"), MB_ICONERROR | MB_OK);
#else
fprintf(stderr, "Error: Unable to get AppData path!");
#endif
exit(1);
}
else
dataDir = std::string(localAppData) + "\\" + appName;
}
}
return;
#elif defined(MAC_OSX) #elif defined(MAC_OSX)
char *home = getenv("HOME"); char *home = getenv("HOME");
dataDir = (home != NULL && strlen(home) > 0) ? home : ""; dataDir = (home != NULL && strlen(home) > 0) ? home : "";
dataDir += "/Library/Application Support/" + appName; dataDir += "/Library/Application Support/" + appName;
return; return;
#else /* other unix */ #else /* other unix */
#if defined(ANDROID) #if defined(ANDROID)
const char * ext = getenv("EXTERNAL_STORAGE"); const char * ext = getenv("EXTERNAL_STORAGE");
if (!ext) ext = "/sdcard"; if (!ext) ext = "/sdcard";
if (boost::filesystem::exists(ext)) if (boost::filesystem::exists(ext))
{ {
dataDir = std::string (ext) + "/" + appName; dataDir = std::string (ext) + "/" + appName;
return; return;
} }
// otherwise use /data/files
#endif #endif
char *home = getenv("HOME"); // otherwise use /data/files
if (isService) { char *home = getenv("HOME");
dataDir = "/var/lib/" + appName; if (isService) {
} else if (home != NULL && strlen(home) > 0) { dataDir = "/var/lib/" + appName;
dataDir = std::string(home) + "/." + appName; } else if (home != NULL && strlen(home) > 0) {
} else { dataDir = std::string(home) + "/." + appName;
dataDir = "/tmp/" + appName; } else {
} dataDir = "/tmp/" + appName;
return; }
return;
#endif #endif
} }
bool Init() { bool Init() {
if (!boost::filesystem::exists(dataDir)) if (!boost::filesystem::exists(dataDir))
boost::filesystem::create_directory(dataDir); boost::filesystem::create_directory(dataDir);
std::string destinations = DataDirPath("destinations");
if (!boost::filesystem::exists(destinations)) std::string destinations = DataDirPath("destinations");
boost::filesystem::create_directory(destinations); if (!boost::filesystem::exists(destinations))
std::string tags = DataDirPath("tags"); boost::filesystem::create_directory(destinations);
if (!boost::filesystem::exists(tags))
boost::filesystem::create_directory(tags); std::string tags = DataDirPath("tags");
else if (!boost::filesystem::exists(tags))
i2p::garlic::CleanUpTagsFiles (); boost::filesystem::create_directory(tags);
else
return true; i2p::garlic::CleanUpTagsFiles ();
}
return true;
bool ReadDir(const std::string & path, std::vector<std::string> & files) { }
if (!boost::filesystem::exists(path))
return false; bool ReadDir(const std::string & path, std::vector<std::string> & files) {
boost::filesystem::directory_iterator it(path); if (!boost::filesystem::exists(path))
boost::filesystem::directory_iterator end; return false;
boost::filesystem::directory_iterator it(path);
for ( ; it != end; it++) { boost::filesystem::directory_iterator end;
if (!boost::filesystem::is_regular_file(it->status()))
continue; for ( ; it != end; it++) {
files.push_back(it->path().string()); if (!boost::filesystem::is_regular_file(it->status()))
} continue;
files.push_back(it->path().string());
return true; }
}
return true;
bool Exists(const std::string & path) { }
return boost::filesystem::exists(path);
} bool Exists(const std::string & path) {
return boost::filesystem::exists(path);
uint32_t GetLastUpdateTime (const std::string & path) }
{
if (!boost::filesystem::exists(path)) return 0; uint32_t GetLastUpdateTime (const std::string & path)
boost::system::error_code ec; {
auto t = boost::filesystem::last_write_time (path, ec); if (!boost::filesystem::exists(path))
return ec ? 0 : t; return 0;
} boost::system::error_code ec;
auto t = boost::filesystem::last_write_time (path, ec);
bool Remove(const std::string & path) { return ec ? 0 : t;
if (!boost::filesystem::exists(path)) }
return false;
return boost::filesystem::remove(path); bool Remove(const std::string & path) {
} if (!boost::filesystem::exists(path))
return false;
return boost::filesystem::remove(path);
}
bool CreateDirectory (const std::string& path) bool CreateDirectory (const std::string& path)
{ {
if (boost::filesystem::exists(path) && if (boost::filesystem::exists(path) && boost::filesystem::is_directory (boost::filesystem::status (path)))
boost::filesystem::is_directory (boost::filesystem::status (path))) return true; return true;
return boost::filesystem::create_directory(path); return boost::filesystem::create_directory(path);
} }
void HashedStorage::SetPlace(const std::string &path) { void HashedStorage::SetPlace(const std::string &path) {
root = path + i2p::fs::dirSep + name; root = path + i2p::fs::dirSep + name;
} }
bool HashedStorage::Init(const char * chars, size_t count) { bool HashedStorage::Init(const char * chars, size_t count) {
if (!boost::filesystem::exists(root)) { if (!boost::filesystem::exists(root)) {
boost::filesystem::create_directories(root); boost::filesystem::create_directories(root);
} }
for (size_t i = 0; i < count; i++) { for (size_t i = 0; i < count; i++) {
auto p = root + i2p::fs::dirSep + prefix1 + chars[i]; auto p = root + i2p::fs::dirSep + prefix1 + chars[i];
if (boost::filesystem::exists(p)) if (boost::filesystem::exists(p))
continue; continue;
if (boost::filesystem::create_directory(p)) if (boost::filesystem::create_directory(p))
continue; /* ^ throws exception on failure */ continue; /* ^ throws exception on failure */
return false; return false;
} }
return true; return true;
} }
std::string HashedStorage::Path(const std::string & ident) const { std::string HashedStorage::Path(const std::string & ident) const {
std::string safe_ident = ident; std::string safe_ident = ident;
std::replace(safe_ident.begin(), safe_ident.end(), '/', '-'); std::replace(safe_ident.begin(), safe_ident.end(), '/', '-');
std::replace(safe_ident.begin(), safe_ident.end(), '\\', '-'); std::replace(safe_ident.begin(), safe_ident.end(), '\\', '-');
std::stringstream t(""); std::stringstream t("");
t << this->root << i2p::fs::dirSep; t << this->root << i2p::fs::dirSep;
t << prefix1 << safe_ident[0] << i2p::fs::dirSep; t << prefix1 << safe_ident[0] << i2p::fs::dirSep;
t << prefix2 << safe_ident << "." << suffix; t << prefix2 << safe_ident << "." << suffix;
return t.str(); return t.str();
} }
void HashedStorage::Remove(const std::string & ident) { void HashedStorage::Remove(const std::string & ident) {
std::string path = Path(ident); std::string path = Path(ident);
if (!boost::filesystem::exists(path)) if (!boost::filesystem::exists(path))
return; return;
boost::filesystem::remove(path); boost::filesystem::remove(path);
} }
void HashedStorage::Traverse(std::vector<std::string> & files) { void HashedStorage::Traverse(std::vector<std::string> & files) {
Iterate([&files] (const std::string & fname) { Iterate([&files] (const std::string & fname) {
files.push_back(fname); files.push_back(fname);
}); });
} }
void HashedStorage::Iterate(FilenameVisitor v) void HashedStorage::Iterate(FilenameVisitor v)
{ {
boost::filesystem::path p(root); boost::filesystem::path p(root);
boost::filesystem::recursive_directory_iterator it(p); boost::filesystem::recursive_directory_iterator it(p);
boost::filesystem::recursive_directory_iterator end; boost::filesystem::recursive_directory_iterator end;
for ( ; it != end; it++) { for ( ; it != end; it++) {
if (!boost::filesystem::is_regular_file( it->status() )) if (!boost::filesystem::is_regular_file( it->status() ))
continue; continue;
const std::string & t = it->path().string(); const std::string & t = it->path().string();
v(t); v(t);
} }
} }
} // fs } // fs
} // i2p } // i2p

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