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Tactiliest/Tactility/Source/app/AppInstall.cpp
Ken Van Hoeylandt faab6d825f
Merge develop into main (#339) 
- Update ILI9341 driver to v2.0.1
- Lots of code cleanup for apps
- Refactor app "type" into "category" and added flags to the manifest (for show/hide statusbar and for hidden apps)
- Rename some ElfApp-related functionality and improved the way the static data was managed
- Rename "filebrowser" to "files"
- Added cstring functions to tt_init.cpp
- Minor fix in Boot app
- Updated external apps for SDK changes
2025-09-17 23:42:49 +02:00

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#include <Tactility/app/App.h>
#include <Tactility/MountPoints.h>
#include <Tactility/app/AppManifest.h>
#include <Tactility/app/AppRegistration.h>
#include <Tactility/file/File.h>
#include <Tactility/file/FileLock.h>
#include <Tactility/file/PropertiesFile.h>
#include <Tactility/hal/Device.h>
#include <Tactility/hal/sdcard/SdCardDevice.h>
#include <errno.h>
#include <fcntl.h>
#include <format>
#include <libgen.h>
#include <map>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <unistd.h>
#include <minitar.h>
constexpr auto* TAG = "App";
namespace tt::app {
static int untarFile(const minitar_entry* entry, const void* buf, const std::string& destinationPath) {
auto absolute_path = destinationPath + "/" + entry->metadata.path;
if (!file::findOrCreateDirectory(destinationPath, 0777)) return 1;
int fd = open(absolute_path.c_str(), O_WRONLY | O_CREAT | O_EXCL | O_CLOEXEC, 0644);
if (fd < 0) return 1;
if (write(fd, buf, entry->metadata.size) < 0) return 1;
// Note: fchmod() doesn't exist on ESP-IDF and chmod() does nothing on that platform
if (chmod(absolute_path.c_str(), entry->metadata.mode) < 0) return 1;
return close(fd);
}
static bool untar_directory(const minitar_entry* entry, const std::string& destinationPath) {
auto absolute_path = destinationPath + "/" + entry->metadata.path;
if (!file::findOrCreateDirectory(absolute_path, 0777)) return false;
return true;
}
static bool untar(const std::string& tarPath, const std::string& destinationPath) {
minitar mp;
if (minitar_open(tarPath.c_str(), &mp) != 0) {
perror(tarPath.c_str());
return 1;
}
bool success = true;
minitar_entry entry;
do {
if (minitar_read_entry(&mp, &entry) == 0) {
TT_LOG_I(TAG, "Extracting %s", entry.metadata.path);
if (entry.metadata.type == MTAR_DIRECTORY) {
if (!strcmp(entry.metadata.name, ".") || !strcmp(entry.metadata.name, "..") || !strcmp(entry.metadata.name, "/")) continue;
if (!untar_directory(&entry, destinationPath)) {
TT_LOG_E(TAG, "Failed to create directory %s/%s: %s", destinationPath.c_str(), entry.metadata.name, strerror(errno));
success = false;
break;
}
} else if (entry.metadata.type == MTAR_REGULAR) {
auto file_buffer = static_cast<char*>(malloc(entry.metadata.size));
if (!file_buffer) {
TT_LOG_E(TAG, "Failed to allocate %d bytes for file %s", entry.metadata.size, entry.metadata.path);;
success = false;
break;
}
minitar_read_contents(&mp, &entry, file_buffer, entry.metadata.size);
int status = untarFile(&entry, file_buffer, destinationPath);
free(file_buffer);
if (status != 0) {
TT_LOG_E(TAG, "Failed to extract file %s: %s", entry.metadata.path, strerror(errno));
success = false;
break;
}
} else if (entry.metadata.type == MTAR_SYMLINK) {
TT_LOG_E(TAG, "SYMLINK not supported");
} else if (entry.metadata.type == MTAR_HARDLINK) {
TT_LOG_E(TAG, "HARDLINK not supported");
} else if (entry.metadata.type == MTAR_FIFO) {
TT_LOG_E(TAG, "FIFO not supported");
} else if (entry.metadata.type == MTAR_BLKDEV) {
TT_LOG_E(TAG, "BLKDEV not supported");
} else if (entry.metadata.type == MTAR_CHRDEV) {
TT_LOG_E(TAG, "CHRDEV not supported");
} else {
TT_LOG_E(TAG, "Unknown entry type: %d", entry.metadata.type);
success = false;
break;
}
} else break;
} while (true);
minitar_close(&mp);
return success;
}
bool findFirstMountedSdCardPath(std::string& path) {
// const auto sdcards = hal::findDevices<hal::sdcard::SdCardDevice>(hal::Device::Type::SdCard);
bool is_set = false;
hal::findDevices<hal::sdcard::SdCardDevice>(hal::Device::Type::SdCard, [&is_set, &path](const auto& device) {
if (device->isMounted()) {
path = device->getMountPath();
is_set = true;
return false; // stop iterating
} else {
return true;
}
});
return is_set;
}
std::string getTempPath() {
std::string root_path;
if (!findFirstMountedSdCardPath(root_path)) {
root_path = file::MOUNT_POINT_DATA;
}
return root_path + "/tmp";
}
std::string getInstallPath() {
std::string root_path;
if (!findFirstMountedSdCardPath(root_path)) {
root_path = file::MOUNT_POINT_DATA;
}
return root_path + "/apps";
}
bool install(const std::string& path) {
// TODO: Make better: lock for each path type properly (source vs target)
// We lock and unlock frequently because SPI SD card devices share
// the lock with the display. We don't want to lock the display for very long.
auto app_parent_path = getInstallPath();
TT_LOG_I(TAG, "Installing app %s to %s", path.c_str(), app_parent_path.c_str());
auto lock = file::getLock(app_parent_path)->asScopedLock();
lock.lock();
auto filename = file::getLastPathSegment(path);
const std::string app_target_path = std::format("{}/{}", app_parent_path, filename);
if (file::isDirectory(app_target_path) && !file::deleteRecursively(app_target_path)) {
TT_LOG_W(TAG, "Failed to delete %s", app_target_path.c_str());
}
lock.unlock();
lock.lock();
if (!file::findOrCreateDirectory(app_target_path, 0777)) {
TT_LOG_I(TAG, "Failed to create directory %s", app_target_path.c_str());
return false;
}
lock.unlock();
lock.lock();
TT_LOG_I(TAG, "Extracting app from %s to %s", path.c_str(), app_target_path.c_str());
if (!untar(path, app_target_path)) {
TT_LOG_E(TAG, "Failed to extract");
return false;
}
lock.unlock();
lock.lock();
auto manifest_path = app_target_path + "/manifest.properties";
if (!file::isFile(manifest_path)) {
TT_LOG_E(TAG, "Manifest not found at %s", manifest_path.c_str());
return false;
}
lock.unlock();
lock.lock();
std::map<std::string, std::string> properties;
if (!file::loadPropertiesFile(manifest_path, properties)) {
TT_LOG_E(TAG, "Failed to load manifest at %s", manifest_path.c_str());
return false;
}
lock.unlock();
auto app_id_iterator = properties.find("[app]id");
if (app_id_iterator == properties.end()) {
TT_LOG_E(TAG, "Failed to find app id in manifest");
return false;
}
auto app_name_entry = properties.find("[app]name");
if (app_name_entry == properties.end()) {
TT_LOG_E(TAG, "Failed to find app name in manifest");
return false;
}
lock.lock();
const std::string renamed_target_path = std::format("{}/{}", app_parent_path, app_id_iterator->second);
if (file::isDirectory(renamed_target_path)) {
if (!file::deleteRecursively(renamed_target_path)) {
TT_LOG_W(TAG, "Failed to delete existing installation at %s", renamed_target_path.c_str());
return false;
}
}
lock.unlock();
lock.lock();
if (rename(app_target_path.c_str(), renamed_target_path.c_str()) != 0) {
TT_LOG_E(TAG, "Failed to rename %s to %s", app_target_path.c_str(), app_id_iterator->second.c_str());
return false;
}
lock.unlock();
addApp({
.id = app_id_iterator->second,
.name = app_name_entry->second,
.category = Category::User,
.location = Location::external(renamed_target_path)
});
return true;
}
bool uninstall(const std::string& appId) {
TT_LOG_I(TAG, "Uninstalling app %s", appId.c_str());
auto app_path = getInstallPath() + "/" + appId;
return file::withLock<bool>(app_path, [&app_path, &appId]() {
if (!file::isDirectory(app_path)) {
TT_LOG_E(TAG, "App %s not found at ", app_path.c_str());
return false;
}
if (!file::deleteRecursively(app_path)) {
return false;
}
if (!removeApp(appId)) {
TT_LOG_W(TAG, "Failed to remove app %d from registry", appId.c_str());
}
return true;
});
}
} // namespace
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