Added mutex to fs operations
This commit is contained in:
@@ -21,9 +21,11 @@ add_executable(backend
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src/controllers/controllers.h
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src/controllers/admin.cpp
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src/controllers/fs.cpp
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src/controllers/user.cpp
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src/controllers/fs/fs_routes.cpp
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src/controllers/fs/fs_functions.cpp
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src/controllers/auth/auth_common.cpp
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src/controllers/auth/auth_basic.cpp
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src/controllers/auth/auth_2fa.cpp
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@@ -62,6 +62,9 @@ namespace api {
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db::MapperUser user_mapper(drogon::app().getDbClient());
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auto user = user_mapper.findByPrimaryKey(user_id);
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auth::revoke_all(user);
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std::unique_lock lock(*fs::get_user_mutex(user.getValueOfId()));
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fs::delete_node(fs::get_node(user.getValueOfRootId()).value(), chan, true);
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user_mapper.deleteOne(user);
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cbk(dto::Responses::get_success_res());
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@@ -1,10 +1,14 @@
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#ifndef BACKEND_CONTROLLERS_H
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#define BACKEND_CONTROLLERS_H
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#include <variant>
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#include <unordered_map>
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#include <shared_mutex>
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#include <drogon/drogon.h>
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#include <botan/rng.h>
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#include <msd/channel.hpp>
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#include <trantor/net/EventLoopThread.h>
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#include <kubazip/zip/zip.h>
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#include "db/db.h"
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@@ -111,7 +115,7 @@ public:
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static std::variant<db::INode, fs::create_node_error, std::tuple<bool, uint64_t>>
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create_node(std::string name, const db::User& owner, bool file, const std::optional<uint64_t> &parent, bool force = false);
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static void delete_node(db::INode node, msd::channel<std::string>& chan, bool allow_root = false);
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static std::shared_ptr<std::shared_mutex> get_user_mutex(uint64_t user_id);
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void root(req_type, cbk_type);
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void node(req_type, cbk_type, uint64_t node);
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@@ -124,6 +128,18 @@ public:
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void download_multi(req_type, cbk_type);
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void download_preview(req_type, cbk_type, uint64_t node);
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void get_type(req_type, cbk_type, uint64_t node);
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private:
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static trantor::EventLoop* get_zip_loop();
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static trantor::EventLoop* get_delete_loop();
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static void generate_path(db::INode node, std::string& str);
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static Json::Value generate_path(db::INode node);
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static uint64_t calc_total_size(const db::INode& base);
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static void add_to_zip(struct zip_t* zip, const std::string& key, const db::INode& node, const std::string& path);
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static uint64_t next_temp_id;
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static std::unordered_map<std::string, std::string> zip_to_temp_map;
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static std::unordered_map<std::string, std::tuple<std::string, uint64_t, uint64_t>> in_progress_zips;
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};
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class user : public drogon::HttpController<user> {
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257
backend/src/controllers/fs/fs_functions.cpp
Normal file
257
backend/src/controllers/fs/fs_functions.cpp
Normal file
@@ -0,0 +1,257 @@
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#include <filesystem>
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#include <fstream>
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#include "controllers/controllers.h"
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#include "dto/dto.h"
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char windows_invalid_chars[] = "\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0A\x0B\x0C\x0D\x0E\x0F\x10\x11\x12\x13\x14\x15\x16\x17\x18\x19\x1A\x1B\x1C\x1D\x1E\x1F<>:\"/\\|";
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namespace api {
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uint64_t fs::next_temp_id = 0;
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std::unordered_map<std::string, std::string> fs::zip_to_temp_map;
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std::unordered_map<std::string, std::tuple<std::string, uint64_t, uint64_t>> fs::in_progress_zips;
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std::optional<db::INode> fs::get_node(uint64_t node) {
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db::MapperInode inode_mapper(drogon::app().getDbClient());
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try {
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return inode_mapper.findByPrimaryKey(node);
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} catch (const std::exception&) {
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return std::nullopt;
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}
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}
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std::optional<db::INode> fs::get_node_and_validate(const db::User &user, uint64_t node) {
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auto inode = get_node(node);
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if (!inode.has_value()) return std::nullopt;
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if (inode->getValueOfOwnerId() != user.getValueOfId()) return std::nullopt;
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return inode;
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}
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std::vector<db::INode> fs::get_children(const db::INode& parent) {
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db::MapperInode inode_mapper(drogon::app().getDbClient());
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return inode_mapper.findBy(db::Criteria(db::INode::Cols::_parent_id, db::CompareOps::EQ, parent.getValueOfId()));
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}
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std::variant<db::INode, fs::create_node_error, std::tuple<bool, uint64_t>>
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fs::create_node(std::string name, const db::User& owner, bool file, const std::optional<uint64_t> &parent, bool force) {
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// Stolen from https://github.com/boostorg/filesystem/blob/develop/src/portability.cpp
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if (!force)
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if (name.empty() || name[0] == ' ' || name.find_first_of(windows_invalid_chars, 0, sizeof(windows_invalid_chars)) != std::string::npos || *(name.end() - 1) == ' ' || *(name.end() - 1) == '.' || name == "." || name == "..")
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return {create_node_error::INVALID_NAME};
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db::INode node;
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node.setIsFile(file ? 1 : 0);
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node.setName(name);
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node.setOwnerId(owner.getValueOfId());
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node.setHasPreview(0);
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if (parent.has_value()) {
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auto parent_node = get_node_and_validate(owner, *parent);
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if (!parent_node.has_value())
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return {create_node_error::INVALID_PARENT};
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if (parent_node->getValueOfIsFile() != 0)
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return {create_node_error::FILE_PARENT};
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auto children = get_children(*parent_node);
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for (const auto& child : children)
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if (child.getValueOfName() == name)
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return {std::make_tuple(
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child.getValueOfIsFile() != 0,
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child.getValueOfId()
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)};
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node.setParentId(*parent);
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}
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db::MapperInode inode_mapper(drogon::app().getDbClient());
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inode_mapper.insert(node);
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return {node};
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}
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void fs::delete_node(db::INode node, msd::channel<std::string>& chan, bool allow_root) {
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if (node.getValueOfParentId() == 0 && (!allow_root)) return;
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db::MapperInode inode_mapper(drogon::app().getDbClient());
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const auto delete_file = [&chan, &inode_mapper](const db::INode& node) {
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std::string entry = "Deleting ";
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generate_path(node, entry);
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entry >> chan;
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std::filesystem::path p("./files");
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p /= std::to_string(node.getValueOfId());
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std::filesystem::remove(p);
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if (node.getValueOfHasPreview() != 0)
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std::filesystem::remove(p.string() + "_preview.png");
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inode_mapper.deleteOne(node);
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std::string(" Done\n") >> chan;
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};
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std::stack<db::INode> queue, files, folders;
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if (node.getValueOfIsFile() == 0) queue.push(node);
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else files.push(node);
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while (!queue.empty()) {
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while (!files.empty()) {
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delete_file(files.top());
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files.pop();
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}
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std::string entry = "Deleting ";
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generate_path(queue.top(), entry);
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entry += "\n";
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entry >> chan;
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auto children = get_children(queue.top());
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folders.push(queue.top());
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queue.pop();
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for (const auto& child : children) {
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if (child.getValueOfIsFile() == 0) queue.push(child);
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else files.push(child);
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}
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}
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while (!files.empty()) {
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delete_file(files.top());
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files.pop();
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}
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while (!folders.empty()) {
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inode_mapper.deleteOne(folders.top());
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folders.pop();
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}
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}
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std::shared_ptr<std::shared_mutex> fs::get_user_mutex(uint64_t user_id) {
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static std::unordered_map<uint64_t, std::shared_ptr<std::shared_mutex>> mutexes;
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static std::mutex mutexes_mutex;
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std::lock_guard guard(mutexes_mutex);
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return (*mutexes.try_emplace(user_id, std::make_shared<std::shared_mutex>()).first).second;
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}
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trantor::EventLoop* fs::get_zip_loop() {
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static bool init_done = false;
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static trantor::EventLoopThread loop("ZipEventLoop");
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if (!init_done) {
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init_done = true;
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loop.run();
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loop.getLoop()->runEvery(30*60, []{
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for (const auto& entry : std::filesystem::directory_iterator("./temp")) {
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if (!entry.is_regular_file()) continue;
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const std::string file_name = "./temp/" + entry.path().filename().string();
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const auto& progress_pos = std::find_if(in_progress_zips.begin(), in_progress_zips.end(),
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[&file_name](const std::pair<std::string, std::tuple<std::string, uint64_t, uint64_t>>& entry) {
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return std::get<0>(entry.second) == file_name;
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}
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);
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if (progress_pos != in_progress_zips.end()) return;
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const auto& zip_map_pos = std::find_if(zip_to_temp_map.begin(), zip_to_temp_map.end(),
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[&file_name](const std::pair<std::string, std::string>& entry){
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return entry.second == file_name;
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}
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);
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if (zip_map_pos != zip_to_temp_map.end()) return;
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std::filesystem::remove(entry.path());
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}
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});
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}
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return loop.getLoop();
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}
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trantor::EventLoop* fs::get_delete_loop() {
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static bool init_done = false;
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static trantor::EventLoopThread loop("DeleteEventLoop");
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if (!init_done) {
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init_done = true;
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loop.run();
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}
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return loop.getLoop();
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}
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void fs::generate_path(db::INode node, std::string& str) {
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db::MapperInode inode_mapper(drogon::app().getDbClient());
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std::stack<db::INode> path;
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path.push(node);
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while (node.getParentId() != nullptr) {
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node = inode_mapper.findByPrimaryKey(node.getValueOfParentId());
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path.push(node);
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}
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while (!path.empty()) {
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const db::INode& seg = path.top();
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str += seg.getValueOfName();
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if (seg.getValueOfIsFile() == 0) str += "/";
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path.pop();
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}
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}
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Json::Value fs::generate_path(db::INode node) {
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Json::Value segments = Json::Value(Json::ValueType::arrayValue);
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db::MapperInode inode_mapper(drogon::app().getDbClient());
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std::stack<db::INode> path;
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path.push(node);
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while (node.getParentId() != nullptr) {
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node = inode_mapper.findByPrimaryKey(node.getValueOfParentId());
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path.push(node);
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}
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while (!path.empty()) {
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const db::INode& seg = path.top();
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if (seg.getParentId() == nullptr) {
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Json::Value json_seg;
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json_seg["path"] = "/";
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json_seg["node"] = seg.getValueOfId();
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segments.append(json_seg);
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} else {
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Json::Value json_seg;
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json_seg["path"] = seg.getValueOfName();
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json_seg["node"] = seg.getValueOfId();
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segments.append(json_seg);
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if (seg.getValueOfIsFile() == 0) {
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json_seg.removeMember("node");
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json_seg["path"] = "/";
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segments.append(json_seg);
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}
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}
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path.pop();
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}
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Json::Value resp;
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resp["segments"] = segments;
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return resp;
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}
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uint64_t fs::calc_total_size(const db::INode& base) {
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uint64_t size = 0;
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std::stack<db::INode> queue;
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queue.push(base);
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while (!queue.empty()) {
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const db::INode& node = queue.top();
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if (node.getValueOfIsFile() == 0) {
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auto children = api::fs::get_children(node);
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queue.pop();
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for (const auto& child : children) {
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if (child.getValueOfIsFile() == 0) queue.push(child);
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else if (child.getSize()) size += child.getValueOfSize();
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}
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} else {
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size += node.getValueOfSize();
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queue.pop();
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}
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}
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return size;
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}
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void fs::add_to_zip(struct zip_t* zip, const std::string& key, const db::INode& node, const std::string& path) {
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if (node.getValueOfIsFile() == 0) {
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std::string new_path = path + node.getValueOfName() + "/";
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zip_entry_opencasesensitive(zip, new_path.c_str());
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zip_entry_close(zip);
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auto children = api::fs::get_children(node);
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for (const auto& child : children)
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add_to_zip(zip, key, child, new_path);
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} else {
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zip_entry_opencasesensitive(zip, (path + node.getValueOfName()).c_str());
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std::ifstream file("./files/" + std::to_string(node.getValueOfId()), std::ifstream::binary);
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std::vector<char> buffer(64*1024);
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while (!file.eof()) {
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file.read(buffer.data(), (std::streamsize)buffer.size());
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auto read = file.gcount();
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zip_entry_write(zip, buffer.data(), read);
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std::get<1>(in_progress_zips[key]) += read;
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}
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zip_entry_close(zip);
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}
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}
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}
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@@ -1,575 +1,345 @@
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#pragma clang diagnostic push
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#pragma ide diagnostic ignored "performance-unnecessary-value-param"
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#pragma ide diagnostic ignored "readability-convert-member-functions-to-static"
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#include <filesystem>
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#include <unordered_map>
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#include <fstream>
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#include <opencv2/opencv.hpp>
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#include <botan/base64.h>
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#include <trantor/net/EventLoopThread.h>
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#include <zip/zip.h>
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#include "controllers.h"
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#include "dto/dto.h"
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char windows_invalid_chars[] = "\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0A\x0B\x0C\x0D\x0E\x0F\x10\x11\x12\x13\x14\x15\x16\x17\x18\x19\x1A\x1B\x1C\x1D\x1E\x1F<>:\"/\\|";
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// https://developer.mozilla.org/en-US/docs/Web/Media/Formats/Image_types#common_image_file_types
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const std::unordered_map<std::string, std::string> mime_type_map = {
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{ ".apng" , "image/apng" },
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{ ".avif" , "image/avif" },
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{ ".bmp" , "image/bmp" },
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{ ".gif" , "image/gif" },
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{ ".jpg" , "image/jpeg" },
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{ ".jpeg" , "image/jpeg" },
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{ ".jfif" , "image/jpeg" },
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{ ".pjpeg", "image/jpeg" },
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{ ".pjp" , "image/jpeg" },
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{ ".png" , "image/png" },
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{ ".svg" , "image/svg" },
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{ ".webp" , "image/webp" },
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{ ".aac" , "audio/aac" },
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{ ".flac" , "audio/flac" },
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{ ".mp3" , "audio/mp3" },
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{ ".m4a" , "audio/mp4" },
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{ ".oga" , "audio/ogg" },
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{ ".ogg" , "audio/ogg" },
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{ ".wav" , "audio/wav" },
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{ ".3gp" , "video/3gpp" },
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{ ".mpg" , "video/mpeg" },
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{ ".mpeg" , "video/mpeg" },
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{ ".mp4" , "video/mp4" },
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{ ".m4v" , "video/mp4" },
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{ ".m4p" , "video/mp4" },
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{ ".ogv" , "video/ogg" },
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{ ".mov" , "video/quicktime" },
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{ ".webm" , "video/webm" },
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{ ".mkv" , "video/x-matroska" },
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{ ".mk3d" , "video/x-matroska" },
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{ ".mks" , "video/x-matroska" },
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};
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uint64_t next_temp_id = 0;
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std::unordered_map<std::string, std::string> zip_to_temp_map;
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std::unordered_map<std::string, std::tuple<std::string, uint64_t, uint64_t>> in_progress_zips;
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trantor::EventLoop* get_zip_loop() {
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static bool init_done = false;
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static trantor::EventLoopThread loop("ZipEventLoop");
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if (!init_done) {
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init_done = true;
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loop.run();
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loop.getLoop()->runEvery(30*60, []{
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for (const auto& entry : std::filesystem::directory_iterator("./temp")) {
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if (!entry.is_regular_file()) continue;
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const std::string file_name = "./temp/" + entry.path().filename().string();
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const auto& progress_pos = std::find_if(in_progress_zips.begin(), in_progress_zips.end(),
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[&file_name](const std::pair<std::string, std::tuple<std::string, uint64_t, uint64_t>>& entry) {
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return std::get<0>(entry.second) == file_name;
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}
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);
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if (progress_pos != in_progress_zips.end()) return;
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const auto& zip_map_pos = std::find_if(zip_to_temp_map.begin(), zip_to_temp_map.end(),
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[&file_name](const std::pair<std::string, std::string>& entry){
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return entry.second == file_name;
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}
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);
|
||||
if (zip_map_pos != zip_to_temp_map.end()) return;
|
||||
std::filesystem::remove(entry.path());
|
||||
}
|
||||
});
|
||||
}
|
||||
return loop.getLoop();
|
||||
}
|
||||
|
||||
trantor::EventLoop* get_delete_loop() {
|
||||
static bool init_done = false;
|
||||
static trantor::EventLoopThread loop("DeleteEventLoop");
|
||||
if (!init_done) {
|
||||
init_done = true;
|
||||
loop.run();
|
||||
}
|
||||
return loop.getLoop();
|
||||
}
|
||||
|
||||
void generate_path(db::INode node, std::string& str) {
|
||||
db::MapperInode inode_mapper(drogon::app().getDbClient());
|
||||
std::stack<db::INode> path;
|
||||
path.push(node);
|
||||
while (node.getParentId() != nullptr) {
|
||||
node = inode_mapper.findByPrimaryKey(node.getValueOfParentId());
|
||||
path.push(node);
|
||||
}
|
||||
while (!path.empty()) {
|
||||
const db::INode& seg = path.top();
|
||||
str += seg.getValueOfName();
|
||||
if (seg.getValueOfIsFile() == 0) str += "/";
|
||||
path.pop();
|
||||
}
|
||||
}
|
||||
|
||||
Json::Value generate_path(db::INode node) {
|
||||
Json::Value segments = Json::Value(Json::ValueType::arrayValue);
|
||||
db::MapperInode inode_mapper(drogon::app().getDbClient());
|
||||
std::stack<db::INode> path;
|
||||
path.push(node);
|
||||
while (node.getParentId() != nullptr) {
|
||||
node = inode_mapper.findByPrimaryKey(node.getValueOfParentId());
|
||||
path.push(node);
|
||||
}
|
||||
while (!path.empty()) {
|
||||
const db::INode& seg = path.top();
|
||||
if (seg.getParentId() == nullptr) {
|
||||
Json::Value json_seg;
|
||||
json_seg["path"] = "/";
|
||||
json_seg["node"] = seg.getValueOfId();
|
||||
segments.append(json_seg);
|
||||
} else {
|
||||
Json::Value json_seg;
|
||||
json_seg["path"] = seg.getValueOfName();
|
||||
json_seg["node"] = seg.getValueOfId();
|
||||
segments.append(json_seg);
|
||||
if (seg.getValueOfIsFile() == 0) {
|
||||
json_seg.removeMember("node");
|
||||
json_seg["path"] = "/";
|
||||
segments.append(json_seg);
|
||||
}
|
||||
}
|
||||
path.pop();
|
||||
}
|
||||
Json::Value resp;
|
||||
resp["segments"] = segments;
|
||||
return resp;
|
||||
}
|
||||
|
||||
uint64_t calc_total_size(const db::INode& base) {
|
||||
uint64_t size = 0;
|
||||
std::stack<db::INode> queue;
|
||||
queue.push(base);
|
||||
while (!queue.empty()) {
|
||||
const db::INode& node = queue.top();
|
||||
if (node.getValueOfIsFile() == 0) {
|
||||
auto children = api::fs::get_children(node);
|
||||
queue.pop();
|
||||
for (const auto& child : children) {
|
||||
if (child.getValueOfIsFile() == 0) queue.push(child);
|
||||
else if (child.getSize()) size += child.getValueOfSize();
|
||||
}
|
||||
} else {
|
||||
size += node.getValueOfSize();
|
||||
queue.pop();
|
||||
}
|
||||
}
|
||||
return size;
|
||||
}
|
||||
|
||||
void add_to_zip(struct zip_t* zip, const std::string& key, const db::INode& node, const std::string& path) {
|
||||
if (node.getValueOfIsFile() == 0) {
|
||||
std::string new_path = path + node.getValueOfName() + "/";
|
||||
zip_entry_opencasesensitive(zip, new_path.c_str());
|
||||
zip_entry_close(zip);
|
||||
auto children = api::fs::get_children(node);
|
||||
for (const auto& child : children)
|
||||
add_to_zip(zip, key, child, new_path);
|
||||
} else {
|
||||
zip_entry_opencasesensitive(zip, (path + node.getValueOfName()).c_str());
|
||||
std::ifstream file("./files/" + std::to_string(node.getValueOfId()), std::ifstream::binary);
|
||||
std::vector<char> buffer(64*1024);
|
||||
while (!file.eof()) {
|
||||
file.read(buffer.data(), (std::streamsize)buffer.size());
|
||||
auto read = file.gcount();
|
||||
zip_entry_write(zip, buffer.data(), read);
|
||||
std::get<1>(in_progress_zips[key]) += read;
|
||||
}
|
||||
zip_entry_close(zip);
|
||||
}
|
||||
}
|
||||
|
||||
template<typename InputIt>
|
||||
std::string join_string(InputIt first, InputIt last, const std::string& separator = ",") {
|
||||
std::ostringstream result;
|
||||
if (first != last) {
|
||||
result << *first;
|
||||
while (++first != last) {
|
||||
result << separator << *first;
|
||||
}
|
||||
}
|
||||
return result.str();
|
||||
}
|
||||
|
||||
namespace api {
|
||||
std::optional<db::INode> fs::get_node(uint64_t node) {
|
||||
db::MapperInode inode_mapper(drogon::app().getDbClient());
|
||||
try {
|
||||
return inode_mapper.findByPrimaryKey(node);
|
||||
} catch (const std::exception&) {
|
||||
return std::nullopt;
|
||||
}
|
||||
}
|
||||
|
||||
std::optional<db::INode> fs::get_node_and_validate(const db::User &user, uint64_t node) {
|
||||
auto inode = get_node(node);
|
||||
if (!inode.has_value()) return std::nullopt;
|
||||
if (inode->getValueOfOwnerId() != user.getValueOfId()) return std::nullopt;
|
||||
return inode;
|
||||
}
|
||||
|
||||
std::vector<db::INode> fs::get_children(const db::INode& parent) {
|
||||
db::MapperInode inode_mapper(drogon::app().getDbClient());
|
||||
return inode_mapper.findBy(db::Criteria(db::INode::Cols::_parent_id, db::CompareOps::EQ, parent.getValueOfId()));
|
||||
}
|
||||
|
||||
std::variant<db::INode, fs::create_node_error, std::tuple<bool, uint64_t>>
|
||||
fs::create_node(std::string name, const db::User& owner, bool file, const std::optional<uint64_t> &parent, bool force) {
|
||||
// Stolen from https://github.com/boostorg/filesystem/blob/develop/src/portability.cpp
|
||||
if (!force)
|
||||
if (name.empty() || name[0] == ' ' || name.find_first_of(windows_invalid_chars, 0, sizeof(windows_invalid_chars)) != std::string::npos || *(name.end() - 1) == ' ' || *(name.end() - 1) == '.' || name == "." || name == "..")
|
||||
return {create_node_error::INVALID_NAME};
|
||||
|
||||
db::INode node;
|
||||
node.setIsFile(file ? 1 : 0);
|
||||
node.setName(name);
|
||||
node.setOwnerId(owner.getValueOfId());
|
||||
node.setHasPreview(0);
|
||||
if (parent.has_value()) {
|
||||
auto parent_node = get_node_and_validate(owner, *parent);
|
||||
if (!parent_node.has_value())
|
||||
return {create_node_error::INVALID_PARENT};
|
||||
if (parent_node->getValueOfIsFile() != 0)
|
||||
return {create_node_error::FILE_PARENT};
|
||||
auto children = get_children(*parent_node);
|
||||
for (const auto& child : children)
|
||||
if (child.getValueOfName() == name)
|
||||
return {std::make_tuple(
|
||||
child.getValueOfIsFile() != 0,
|
||||
child.getValueOfId()
|
||||
)};
|
||||
node.setParentId(*parent);
|
||||
}
|
||||
db::MapperInode inode_mapper(drogon::app().getDbClient());
|
||||
inode_mapper.insert(node);
|
||||
return {node};
|
||||
}
|
||||
|
||||
void fs::delete_node(db::INode node, msd::channel<std::string>& chan, bool allow_root) {
|
||||
if (node.getValueOfParentId() == 0 && (!allow_root)) return;
|
||||
|
||||
db::MapperInode inode_mapper(drogon::app().getDbClient());
|
||||
|
||||
const auto delete_file = [&chan, &inode_mapper](const db::INode& node) {
|
||||
std::string entry = "Deleting ";
|
||||
generate_path(node, entry);
|
||||
entry >> chan;
|
||||
std::filesystem::path p("./files");
|
||||
p /= std::to_string(node.getValueOfId());
|
||||
std::filesystem::remove(p);
|
||||
if (node.getValueOfHasPreview() != 0)
|
||||
std::filesystem::remove(p.string() + "_preview.png");
|
||||
inode_mapper.deleteOne(node);
|
||||
std::string(" Done\n") >> chan;
|
||||
};
|
||||
|
||||
std::stack<db::INode> queue, files, folders;
|
||||
|
||||
if (node.getValueOfIsFile() == 0) queue.push(node);
|
||||
else files.push(node);
|
||||
|
||||
while (!queue.empty()) {
|
||||
while (!files.empty()) {
|
||||
delete_file(files.top());
|
||||
files.pop();
|
||||
}
|
||||
std::string entry = "Deleting ";
|
||||
generate_path(queue.top(), entry);
|
||||
entry += "\n";
|
||||
entry >> chan;
|
||||
auto children = get_children(queue.top());
|
||||
folders.push(queue.top());
|
||||
queue.pop();
|
||||
for (const auto& child : children) {
|
||||
if (child.getValueOfIsFile() == 0) queue.push(child);
|
||||
else files.push(child);
|
||||
}
|
||||
}
|
||||
|
||||
while (!files.empty()) {
|
||||
delete_file(files.top());
|
||||
files.pop();
|
||||
}
|
||||
|
||||
while (!folders.empty()) {
|
||||
inode_mapper.deleteOne(folders.top());
|
||||
folders.pop();
|
||||
}
|
||||
}
|
||||
|
||||
void fs::root(req_type req, cbk_type cbk) {
|
||||
db::User user = dto::get_user(req);
|
||||
cbk(dto::Responses::get_root_res(user.getValueOfRootId()));
|
||||
}
|
||||
|
||||
void fs::node(req_type req, cbk_type cbk, uint64_t node) {
|
||||
db::User user = dto::get_user(req);
|
||||
auto inode = get_node_and_validate(user, node);
|
||||
if (!inode.has_value())
|
||||
return cbk(dto::Responses::get_badreq_res("Unknown node"));
|
||||
auto dto_node = dto::Responses::GetNodeEntry(*inode);
|
||||
std::vector<dto::Responses::GetNodeEntry> children;
|
||||
if (!dto_node.is_file) for (const db::INode& child : get_children(*inode)) children.emplace_back(child);
|
||||
cbk(dto::Responses::get_node_res(dto_node, children));
|
||||
}
|
||||
|
||||
void fs::path(req_type req, cbk_type cbk, uint64_t node) {
|
||||
db::User user = dto::get_user(req);
|
||||
auto inode = get_node_and_validate(user, node);
|
||||
if (!inode.has_value())
|
||||
cbk(dto::Responses::get_badreq_res("Unknown node"));
|
||||
else {
|
||||
auto path = generate_path(*inode);
|
||||
cbk(dto::Responses::get_success_res(path));
|
||||
}
|
||||
}
|
||||
|
||||
template<bool file>
|
||||
void fs::create_node_req(req_type req, cbk_type cbk) {
|
||||
db::User user = dto::get_user(req);
|
||||
Json::Value& json = *req->jsonObject();
|
||||
try {
|
||||
uint64_t parent = dto::json_get<uint64_t>(json, "parent").value();
|
||||
std::string name = dto::json_get<std::string>(json, "name").value();
|
||||
|
||||
auto new_node = create_node(name, user, file, std::make_optional(parent));
|
||||
if (std::holds_alternative<db::INode>(new_node))
|
||||
cbk(dto::Responses::get_new_node_res(std::get<db::INode>(new_node).getValueOfId()));
|
||||
else if (std::holds_alternative<create_node_error>(new_node))
|
||||
switch (std::get<create_node_error>(new_node)) {
|
||||
case create_node_error::INVALID_NAME: return cbk(dto::Responses::get_badreq_res("Invalid name"));
|
||||
case create_node_error::INVALID_PARENT: return cbk(dto::Responses::get_badreq_res("Invalid parent"));
|
||||
case create_node_error::FILE_PARENT: return cbk(dto::Responses::get_badreq_res("Parent is file"));
|
||||
}
|
||||
else {
|
||||
auto tuple = std::get<std::tuple<bool, uint64_t>>(new_node);
|
||||
cbk(dto::Responses::get_node_exists_res(std::get<1>(tuple), std::get<0>(tuple)));
|
||||
}
|
||||
} catch (const std::exception&) {
|
||||
cbk(dto::Responses::get_badreq_res("Validation error"));
|
||||
}
|
||||
}
|
||||
|
||||
void fs::delete_node_req(req_type req, cbk_type cbk, uint64_t node) {
|
||||
db::User user = dto::get_user(req);
|
||||
auto inode = get_node_and_validate(user, node);
|
||||
if (!inode.has_value())
|
||||
cbk(dto::Responses::get_badreq_res("Unknown node"));
|
||||
else if (inode->getValueOfParentId() == 0)
|
||||
cbk(dto::Responses::get_badreq_res("Can't delete root"));
|
||||
else {
|
||||
auto chan = std::make_shared<msd::channel<std::string>>();
|
||||
std::string("Waiting in queue...\n") >> (*chan);
|
||||
get_delete_loop()->queueInLoop([chan, inode=*inode]{
|
||||
delete_node(inode, *chan);
|
||||
chan->close();
|
||||
});
|
||||
cbk(drogon::HttpResponse::newStreamResponse([chan](char* buf, std::size_t size) -> std::size_t{
|
||||
if (buf == nullptr) return 0;
|
||||
if (chan->closed() && chan->empty()) return 0;
|
||||
std::string buffer;
|
||||
buffer << *chan;
|
||||
if (buffer.empty()) return 0;
|
||||
std::size_t read = std::min(size, buffer.size());
|
||||
std::memcpy(buf, buffer.data(), read); // NOLINT(bugprone-not-null-terminated-result)
|
||||
return read;
|
||||
}));
|
||||
}
|
||||
}
|
||||
|
||||
void fs::upload(req_type req, cbk_type cbk, uint64_t node) {
|
||||
constexpr int image_height = 256;
|
||||
db::User user = dto::get_user(req);
|
||||
|
||||
auto inode = get_node_and_validate(user, node);
|
||||
if (!inode.has_value())
|
||||
return cbk(dto::Responses::get_badreq_res("Unknown node"));
|
||||
if (inode->getValueOfIsFile() == 0)
|
||||
return cbk(dto::Responses::get_badreq_res("Can't upload to a directory"));
|
||||
|
||||
drogon::MultiPartParser mpp;
|
||||
if (mpp.parse(req) != 0)
|
||||
return cbk(dto::Responses::get_badreq_res("Failed to parse files"));
|
||||
if (mpp.getFiles().size() != 1)
|
||||
return cbk(dto::Responses::get_badreq_res("Exactly 1 file needed"));
|
||||
|
||||
const drogon::HttpFile& file = mpp.getFiles().at(0);
|
||||
|
||||
std::filesystem::path p("./files");
|
||||
p /= std::to_string(inode->getValueOfId());
|
||||
|
||||
file.saveAs(p.string());
|
||||
try {
|
||||
if (file.fileLength() > 100 * 1024 * 1024) throw std::exception();
|
||||
std::filesystem::path filename(inode->getValueOfName());
|
||||
const std::string& mime = mime_type_map.at(filename.extension().string());
|
||||
if (!mime.starts_with("image")) throw std::exception();
|
||||
|
||||
cv::_InputArray image_arr(file.fileData(), (int) file.fileLength());
|
||||
cv::Mat image = cv::imdecode(image_arr, cv::IMREAD_COLOR);
|
||||
if (!image.empty()) {
|
||||
float h_ration = ((float) image_height) / ((float) image.rows);
|
||||
cv::Mat preview;
|
||||
cv::resize(image, preview, cv::Size((int) (((float) image.cols) * h_ration), image_height), 0, 0, cv::INTER_AREA);
|
||||
cv::imwrite(p.string() + "_preview.png", preview);
|
||||
inode->setHasPreview(1);
|
||||
}
|
||||
} catch (const std::exception&) {}
|
||||
inode->setSize(file.fileLength());
|
||||
|
||||
db::MapperInode inode_mapper(drogon::app().getDbClient());
|
||||
inode_mapper.update(*inode);
|
||||
|
||||
cbk(dto::Responses::get_success_res());
|
||||
}
|
||||
|
||||
void fs::create_zip(req_type req, cbk_type cbk) {
|
||||
db::User user = dto::get_user(req);
|
||||
Json::Value& json = *req->jsonObject();
|
||||
try {
|
||||
if (!json.isMember("nodes")) throw std::exception();
|
||||
Json::Value node_arr = json["nodes"];
|
||||
if (!node_arr.isArray()) throw std::exception();
|
||||
std::vector<uint64_t> node_ids;
|
||||
for (const auto& node : node_arr)
|
||||
node_ids.push_back(node.asUInt64());
|
||||
|
||||
std::vector<db::INode> nodes;
|
||||
std::transform(node_ids.begin(), node_ids.end(), std::back_inserter(nodes), [&user](uint64_t node) {
|
||||
return api::fs::get_node_and_validate(user, node).value();
|
||||
});
|
||||
|
||||
std::string key = join_string(node_ids.begin(), node_ids.end());
|
||||
|
||||
if (zip_to_temp_map.contains(key)) return cbk(dto::Responses::get_create_zip_done_res());
|
||||
if (in_progress_zips.contains(key)) {
|
||||
auto progress = in_progress_zips.at(key);
|
||||
return cbk(dto::Responses::get_create_zip_done_res(std::get<1>(progress), std::get<2>(progress)));
|
||||
}
|
||||
uint64_t size = 0;
|
||||
for (const auto& node : nodes) size += calc_total_size(node);
|
||||
std::string file_name = "./temp/fs_" + std::to_string(next_temp_id++) + ".zip";
|
||||
in_progress_zips.emplace(key, std::make_tuple(file_name, 0, size));
|
||||
get_zip_loop()->queueInLoop([key = std::move(key), nodes = std::move(nodes), file_name = std::move(file_name)]{
|
||||
{
|
||||
struct zip_t* zip = zip_open(file_name.c_str(), ZIP_DEFAULT_COMPRESSION_LEVEL, 'w');
|
||||
for (const db::INode& node : nodes)
|
||||
add_to_zip(zip, key, node, "");
|
||||
zip_close(zip);
|
||||
}
|
||||
zip_to_temp_map.emplace(key, file_name);
|
||||
in_progress_zips.erase(key);
|
||||
});
|
||||
return cbk(dto::Responses::get_create_zip_done_res(0, size));
|
||||
} catch (const std::exception&) {
|
||||
cbk(dto::Responses::get_badreq_res("Validation error"));
|
||||
}
|
||||
}
|
||||
|
||||
void fs::download(req_type req, cbk_type cbk) {
|
||||
db::User user = dto::get_user(req);
|
||||
|
||||
auto node_id = req->getOptionalParameter<uint64_t>("id");
|
||||
if (!node_id.has_value()) {
|
||||
cbk(dto::Responses::get_badreq_res("Invalid node"));
|
||||
return;
|
||||
}
|
||||
auto inode = get_node_and_validate(user, *node_id);
|
||||
if (!inode.has_value()) {
|
||||
cbk(dto::Responses::get_badreq_res("Invalid node"));
|
||||
return;
|
||||
}
|
||||
|
||||
if (inode->getValueOfIsFile() != 0) {
|
||||
std::filesystem::path p("./files");
|
||||
p /= std::to_string(inode->getValueOfId());
|
||||
|
||||
cbk(drogon::HttpResponse::newFileResponse(
|
||||
p.string(),
|
||||
inode->getValueOfName()
|
||||
));
|
||||
} else {
|
||||
try {
|
||||
std::string key = std::to_string(inode->getValueOfId());
|
||||
std::string file = zip_to_temp_map.at(key);
|
||||
zip_to_temp_map.erase(key);
|
||||
cbk(drogon::HttpResponse::newFileResponse(
|
||||
file,
|
||||
inode->getValueOfName() + ".zip"
|
||||
));
|
||||
} catch (const std::exception&) {
|
||||
cbk(dto::Responses::get_badreq_res("Invalid node"));
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void fs::download_multi(req_type req, cbk_type cbk) {
|
||||
db::User user = dto::get_user(req);
|
||||
|
||||
auto node_ids_str = req->getOptionalParameter<std::string>("id");
|
||||
if (!node_ids_str.has_value())
|
||||
return cbk(dto::Responses::get_badreq_res("No nodes"));
|
||||
|
||||
std::stringstream node_ids_ss(*node_ids_str);
|
||||
std::string temp;
|
||||
try {
|
||||
while (std::getline(node_ids_ss, temp, ','))
|
||||
if (!get_node_and_validate(user, std::stoull(temp)).has_value()) throw std::exception();
|
||||
|
||||
std::string file = zip_to_temp_map.at(*node_ids_str);
|
||||
zip_to_temp_map.erase(*node_ids_str);
|
||||
cbk(drogon::HttpResponse::newFileResponse(
|
||||
file,
|
||||
"files.zip"
|
||||
));
|
||||
} catch (const std::exception&) {
|
||||
cbk(dto::Responses::get_badreq_res("Invalid nodes"));
|
||||
}
|
||||
}
|
||||
|
||||
void fs::download_preview(req_type req, cbk_type cbk, uint64_t node) {
|
||||
db::User user = dto::get_user(req);
|
||||
|
||||
auto inode = get_node_and_validate(user, node);
|
||||
if (!inode.has_value())
|
||||
return cbk(dto::Responses::get_badreq_res("Unknown node"));
|
||||
if (inode->getValueOfHasPreview() == 0)
|
||||
return cbk(dto::Responses::get_badreq_res("No preview"));
|
||||
|
||||
std::filesystem::path p("./files");
|
||||
p /= std::to_string(inode->getValueOfId()) + "_preview.png";
|
||||
std::ifstream file(p, std::ios::in | std::ios::binary);
|
||||
std::vector<uint8_t> image((std::istreambuf_iterator<char>(file)), std::istreambuf_iterator<char>());
|
||||
|
||||
cbk(dto::Responses::get_download_base64_res("data:image/png;base64," + Botan::base64_encode(image)));
|
||||
}
|
||||
|
||||
void fs::get_type(req_type req, cbk_type cbk, uint64_t node){
|
||||
db::User user = dto::get_user(req);
|
||||
|
||||
auto inode = get_node_and_validate(user, node);
|
||||
if (!inode.has_value())
|
||||
return cbk(dto::Responses::get_badreq_res("Unknown node"));
|
||||
|
||||
|
||||
std::filesystem::path p("./files"), name(inode->getValueOfName());
|
||||
p /= std::to_string(inode->getValueOfId());
|
||||
|
||||
try {
|
||||
cbk(dto::Responses::get_type_res(mime_type_map.at(name.extension().string())));
|
||||
} catch (const std::exception&) {
|
||||
cbk(dto::Responses::get_badreq_res("Invalid file type"));
|
||||
}
|
||||
}
|
||||
}
|
||||
#pragma clang diagnostic pop
|
||||
#include <filesystem>
|
||||
#include <fstream>
|
||||
|
||||
#include <opencv2/opencv.hpp>
|
||||
#include <botan/base64.h>
|
||||
|
||||
#include "controllers/controllers.h"
|
||||
#include "dto/dto.h"
|
||||
|
||||
// https://developer.mozilla.org/en-US/docs/Web/Media/Formats/Image_types#common_image_file_types
|
||||
const std::unordered_map<std::string, std::string> mime_type_map = {
|
||||
{ ".apng" , "image/apng" },
|
||||
{ ".avif" , "image/avif" },
|
||||
{ ".bmp" , "image/bmp" },
|
||||
{ ".gif" , "image/gif" },
|
||||
{ ".jpg" , "image/jpeg" },
|
||||
{ ".jpeg" , "image/jpeg" },
|
||||
{ ".jfif" , "image/jpeg" },
|
||||
{ ".pjpeg", "image/jpeg" },
|
||||
{ ".pjp" , "image/jpeg" },
|
||||
{ ".png" , "image/png" },
|
||||
{ ".svg" , "image/svg" },
|
||||
{ ".webp" , "image/webp" },
|
||||
|
||||
{ ".aac" , "audio/aac" },
|
||||
{ ".flac" , "audio/flac" },
|
||||
{ ".mp3" , "audio/mp3" },
|
||||
{ ".m4a" , "audio/mp4" },
|
||||
{ ".oga" , "audio/ogg" },
|
||||
{ ".ogg" , "audio/ogg" },
|
||||
{ ".wav" , "audio/wav" },
|
||||
|
||||
{ ".3gp" , "video/3gpp" },
|
||||
{ ".mpg" , "video/mpeg" },
|
||||
{ ".mpeg" , "video/mpeg" },
|
||||
{ ".mp4" , "video/mp4" },
|
||||
{ ".m4v" , "video/mp4" },
|
||||
{ ".m4p" , "video/mp4" },
|
||||
{ ".ogv" , "video/ogg" },
|
||||
{ ".mov" , "video/quicktime" },
|
||||
{ ".webm" , "video/webm" },
|
||||
{ ".mkv" , "video/x-matroska" },
|
||||
{ ".mk3d" , "video/x-matroska" },
|
||||
{ ".mks" , "video/x-matroska" },
|
||||
};
|
||||
|
||||
template<typename InputIt>
|
||||
std::string join_string(InputIt first, InputIt last, const std::string& separator = ",") {
|
||||
std::ostringstream result;
|
||||
if (first != last) {
|
||||
result << *first;
|
||||
while (++first != last) {
|
||||
result << separator << *first;
|
||||
}
|
||||
}
|
||||
return result.str();
|
||||
}
|
||||
|
||||
namespace api {
|
||||
void fs::root(req_type req, cbk_type cbk) {
|
||||
db::User user = dto::get_user(req);
|
||||
cbk(dto::Responses::get_root_res(user.getValueOfRootId()));
|
||||
}
|
||||
|
||||
void fs::node(req_type req, cbk_type cbk, uint64_t node) {
|
||||
db::User user = dto::get_user(req);
|
||||
std::shared_lock lock(*get_user_mutex(user.getValueOfId()));
|
||||
auto inode = get_node_and_validate(user, node);
|
||||
if (!inode.has_value())
|
||||
return cbk(dto::Responses::get_badreq_res("Unknown node"));
|
||||
auto dto_node = dto::Responses::GetNodeEntry(*inode);
|
||||
std::vector<dto::Responses::GetNodeEntry> children;
|
||||
if (!dto_node.is_file) for (const db::INode& child : get_children(*inode)) children.emplace_back(child);
|
||||
cbk(dto::Responses::get_node_res(dto_node, children));
|
||||
}
|
||||
|
||||
void fs::path(req_type req, cbk_type cbk, uint64_t node) {
|
||||
db::User user = dto::get_user(req);
|
||||
std::shared_lock lock(*get_user_mutex(user.getValueOfId()));
|
||||
auto inode = get_node_and_validate(user, node);
|
||||
if (!inode.has_value())
|
||||
cbk(dto::Responses::get_badreq_res("Unknown node"));
|
||||
else {
|
||||
auto path = generate_path(*inode);
|
||||
cbk(dto::Responses::get_success_res(path));
|
||||
}
|
||||
}
|
||||
|
||||
template<bool file>
|
||||
void fs::create_node_req(req_type req, cbk_type cbk) {
|
||||
db::User user = dto::get_user(req);
|
||||
Json::Value& json = *req->jsonObject();
|
||||
try {
|
||||
uint64_t parent = dto::json_get<uint64_t>(json, "parent").value();
|
||||
std::string name = dto::json_get<std::string>(json, "name").value();
|
||||
|
||||
std::shared_lock lock(*get_user_mutex(user.getValueOfId()));
|
||||
|
||||
auto new_node = create_node(name, user, file, std::make_optional(parent));
|
||||
if (std::holds_alternative<db::INode>(new_node))
|
||||
cbk(dto::Responses::get_new_node_res(std::get<db::INode>(new_node).getValueOfId()));
|
||||
else if (std::holds_alternative<create_node_error>(new_node))
|
||||
switch (std::get<create_node_error>(new_node)) {
|
||||
case create_node_error::INVALID_NAME: return cbk(dto::Responses::get_badreq_res("Invalid name"));
|
||||
case create_node_error::INVALID_PARENT: return cbk(dto::Responses::get_badreq_res("Invalid parent"));
|
||||
case create_node_error::FILE_PARENT: return cbk(dto::Responses::get_badreq_res("Parent is file"));
|
||||
}
|
||||
else {
|
||||
auto tuple = std::get<std::tuple<bool, uint64_t>>(new_node);
|
||||
cbk(dto::Responses::get_node_exists_res(std::get<1>(tuple), std::get<0>(tuple)));
|
||||
}
|
||||
} catch (const std::exception&) {
|
||||
cbk(dto::Responses::get_badreq_res("Validation error"));
|
||||
}
|
||||
}
|
||||
|
||||
void fs::delete_node_req(req_type req, cbk_type cbk, uint64_t node) {
|
||||
db::User user = dto::get_user(req);
|
||||
std::unique_lock lock(*get_user_mutex(user.getValueOfId()));
|
||||
auto inode = get_node_and_validate(user, node);
|
||||
if (!inode.has_value())
|
||||
cbk(dto::Responses::get_badreq_res("Unknown node"));
|
||||
else if (inode->getValueOfParentId() == 0)
|
||||
cbk(dto::Responses::get_badreq_res("Can't delete root"));
|
||||
else {
|
||||
auto chan = std::make_shared<msd::channel<std::string>>();
|
||||
std::string("Waiting in queue...\n") >> (*chan);
|
||||
get_delete_loop()->queueInLoop([chan, inode=*inode, user=user.getValueOfId()]{
|
||||
std::unique_lock lock(*get_user_mutex(user));
|
||||
delete_node(inode, *chan);
|
||||
chan->close();
|
||||
});
|
||||
cbk(drogon::HttpResponse::newStreamResponse([chan](char* buf, std::size_t size) -> std::size_t{
|
||||
if (buf == nullptr) return 0;
|
||||
if (chan->closed() && chan->empty()) return 0;
|
||||
std::string buffer;
|
||||
buffer << *chan;
|
||||
if (buffer.empty()) return 0;
|
||||
std::size_t read = std::min(size, buffer.size());
|
||||
std::memcpy(buf, buffer.data(), read); // NOLINT(bugprone-not-null-terminated-result)
|
||||
return read;
|
||||
}));
|
||||
}
|
||||
}
|
||||
|
||||
void fs::upload(req_type req, cbk_type cbk, uint64_t node) {
|
||||
constexpr int image_height = 256;
|
||||
db::User user = dto::get_user(req);
|
||||
|
||||
std::shared_lock lock(*get_user_mutex(user.getValueOfId()));
|
||||
|
||||
auto inode = get_node_and_validate(user, node);
|
||||
if (!inode.has_value())
|
||||
return cbk(dto::Responses::get_badreq_res("Unknown node"));
|
||||
if (inode->getValueOfIsFile() == 0)
|
||||
return cbk(dto::Responses::get_badreq_res("Can't upload to a directory"));
|
||||
|
||||
drogon::MultiPartParser mpp;
|
||||
if (mpp.parse(req) != 0)
|
||||
return cbk(dto::Responses::get_badreq_res("Failed to parse files"));
|
||||
if (mpp.getFiles().size() != 1)
|
||||
return cbk(dto::Responses::get_badreq_res("Exactly 1 file needed"));
|
||||
|
||||
const drogon::HttpFile& file = mpp.getFiles().at(0);
|
||||
|
||||
std::filesystem::path p("./files");
|
||||
p /= std::to_string(inode->getValueOfId());
|
||||
|
||||
file.saveAs(p.string());
|
||||
try {
|
||||
if (file.fileLength() > 100 * 1024 * 1024) throw std::exception();
|
||||
std::filesystem::path filename(inode->getValueOfName());
|
||||
const std::string& mime = mime_type_map.at(filename.extension().string());
|
||||
if (!mime.starts_with("image")) throw std::exception();
|
||||
|
||||
cv::_InputArray image_arr(file.fileData(), (int) file.fileLength());
|
||||
cv::Mat image = cv::imdecode(image_arr, cv::IMREAD_COLOR);
|
||||
if (!image.empty()) {
|
||||
float h_ration = ((float) image_height) / ((float) image.rows);
|
||||
cv::Mat preview;
|
||||
cv::resize(image, preview, cv::Size((int) (((float) image.cols) * h_ration), image_height), 0, 0, cv::INTER_AREA);
|
||||
cv::imwrite(p.string() + "_preview.png", preview);
|
||||
inode->setHasPreview(1);
|
||||
}
|
||||
} catch (const std::exception&) {}
|
||||
inode->setSize(file.fileLength());
|
||||
|
||||
db::MapperInode inode_mapper(drogon::app().getDbClient());
|
||||
inode_mapper.update(*inode);
|
||||
|
||||
cbk(dto::Responses::get_success_res());
|
||||
}
|
||||
|
||||
void fs::create_zip(req_type req, cbk_type cbk) {
|
||||
db::User user = dto::get_user(req);
|
||||
|
||||
std::shared_lock lock(*get_user_mutex(user.getValueOfId()));
|
||||
|
||||
Json::Value& json = *req->jsonObject();
|
||||
try {
|
||||
if (!json.isMember("nodes")) throw std::exception();
|
||||
Json::Value node_arr = json["nodes"];
|
||||
if (!node_arr.isArray()) throw std::exception();
|
||||
std::vector<uint64_t> node_ids;
|
||||
for (const auto& node : node_arr)
|
||||
node_ids.push_back(node.asUInt64());
|
||||
|
||||
std::vector<db::INode> nodes;
|
||||
std::transform(node_ids.begin(), node_ids.end(), std::back_inserter(nodes), [&user](uint64_t node) {
|
||||
return api::fs::get_node_and_validate(user, node).value();
|
||||
});
|
||||
|
||||
std::string key = join_string(node_ids.begin(), node_ids.end());
|
||||
|
||||
if (zip_to_temp_map.contains(key)) return cbk(dto::Responses::get_create_zip_done_res());
|
||||
if (in_progress_zips.contains(key)) {
|
||||
auto progress = in_progress_zips.at(key);
|
||||
return cbk(dto::Responses::get_create_zip_done_res(std::get<1>(progress), std::get<2>(progress)));
|
||||
}
|
||||
std::string file_name = "./temp/fs_" + std::to_string(next_temp_id++) + ".zip";
|
||||
in_progress_zips.emplace(key, std::make_tuple(file_name, 0, 1));
|
||||
get_zip_loop()->queueInLoop([key = std::move(key), nodes = std::move(nodes), file_name = std::move(file_name), user=user.getValueOfId()]{
|
||||
{
|
||||
std::shared_lock lock(*get_user_mutex(user));
|
||||
uint64_t size = 0;
|
||||
for (const auto& node : nodes) size += calc_total_size(node);
|
||||
std::get<2>(in_progress_zips.at(key)) = size;
|
||||
struct zip_t* zip = zip_open(file_name.c_str(), ZIP_DEFAULT_COMPRESSION_LEVEL, 'w');
|
||||
for (const db::INode& node : nodes)
|
||||
add_to_zip(zip, key, node, "");
|
||||
zip_close(zip);
|
||||
}
|
||||
zip_to_temp_map.emplace(key, file_name);
|
||||
in_progress_zips.erase(key);
|
||||
});
|
||||
return cbk(dto::Responses::get_create_zip_done_res(0, 1));
|
||||
} catch (const std::exception&) {
|
||||
cbk(dto::Responses::get_badreq_res("Validation error"));
|
||||
}
|
||||
}
|
||||
|
||||
void fs::download(req_type req, cbk_type cbk) {
|
||||
db::User user = dto::get_user(req);
|
||||
|
||||
std::shared_lock lock(*get_user_mutex(user.getValueOfId()));
|
||||
|
||||
auto node_id = req->getOptionalParameter<uint64_t>("id");
|
||||
if (!node_id.has_value()) {
|
||||
cbk(dto::Responses::get_badreq_res("Invalid node"));
|
||||
return;
|
||||
}
|
||||
auto inode = get_node_and_validate(user, *node_id);
|
||||
if (!inode.has_value()) {
|
||||
cbk(dto::Responses::get_badreq_res("Invalid node"));
|
||||
return;
|
||||
}
|
||||
|
||||
if (inode->getValueOfIsFile() != 0) {
|
||||
std::filesystem::path p("./files");
|
||||
p /= std::to_string(inode->getValueOfId());
|
||||
|
||||
cbk(drogon::HttpResponse::newFileResponse(
|
||||
p.string(),
|
||||
inode->getValueOfName()
|
||||
));
|
||||
} else {
|
||||
try {
|
||||
std::string key = std::to_string(inode->getValueOfId());
|
||||
std::string file = zip_to_temp_map.at(key);
|
||||
zip_to_temp_map.erase(key);
|
||||
cbk(drogon::HttpResponse::newFileResponse(
|
||||
file,
|
||||
inode->getValueOfName() + ".zip"
|
||||
));
|
||||
} catch (const std::exception&) {
|
||||
cbk(dto::Responses::get_badreq_res("Invalid node"));
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void fs::download_multi(req_type req, cbk_type cbk) {
|
||||
db::User user = dto::get_user(req);
|
||||
|
||||
std::shared_lock lock(*get_user_mutex(user.getValueOfId()));
|
||||
|
||||
auto node_ids_str = req->getOptionalParameter<std::string>("id");
|
||||
if (!node_ids_str.has_value())
|
||||
return cbk(dto::Responses::get_badreq_res("No nodes"));
|
||||
|
||||
std::stringstream node_ids_ss(*node_ids_str);
|
||||
std::string temp;
|
||||
try {
|
||||
while (std::getline(node_ids_ss, temp, ','))
|
||||
if (!get_node_and_validate(user, std::stoull(temp)).has_value()) throw std::exception();
|
||||
|
||||
std::string file = zip_to_temp_map.at(*node_ids_str);
|
||||
zip_to_temp_map.erase(*node_ids_str);
|
||||
cbk(drogon::HttpResponse::newFileResponse(
|
||||
file,
|
||||
"files.zip"
|
||||
));
|
||||
} catch (const std::exception&) {
|
||||
cbk(dto::Responses::get_badreq_res("Invalid nodes"));
|
||||
}
|
||||
}
|
||||
|
||||
void fs::download_preview(req_type req, cbk_type cbk, uint64_t node) {
|
||||
db::User user = dto::get_user(req);
|
||||
|
||||
std::shared_lock lock(*get_user_mutex(user.getValueOfId()));
|
||||
|
||||
auto inode = get_node_and_validate(user, node);
|
||||
if (!inode.has_value())
|
||||
return cbk(dto::Responses::get_badreq_res("Unknown node"));
|
||||
if (inode->getValueOfHasPreview() == 0)
|
||||
return cbk(dto::Responses::get_badreq_res("No preview"));
|
||||
|
||||
std::filesystem::path p("./files");
|
||||
p /= std::to_string(inode->getValueOfId()) + "_preview.png";
|
||||
std::ifstream file(p, std::ios::in | std::ios::binary);
|
||||
std::vector<uint8_t> image((std::istreambuf_iterator<char>(file)), std::istreambuf_iterator<char>());
|
||||
|
||||
cbk(dto::Responses::get_download_base64_res("data:image/png;base64," + Botan::base64_encode(image)));
|
||||
}
|
||||
|
||||
void fs::get_type(req_type req, cbk_type cbk, uint64_t node){
|
||||
db::User user = dto::get_user(req);
|
||||
|
||||
std::shared_lock lock(*get_user_mutex(user.getValueOfId()));
|
||||
|
||||
auto inode = get_node_and_validate(user, node);
|
||||
if (!inode.has_value())
|
||||
return cbk(dto::Responses::get_badreq_res("Unknown node"));
|
||||
|
||||
|
||||
std::filesystem::path p("./files"), name(inode->getValueOfName());
|
||||
p /= std::to_string(inode->getValueOfId());
|
||||
|
||||
try {
|
||||
cbk(dto::Responses::get_type_res(mime_type_map.at(name.extension().string())));
|
||||
} catch (const std::exception&) {
|
||||
cbk(dto::Responses::get_badreq_res("Invalid file type"));
|
||||
}
|
||||
}
|
||||
}
|
||||
@@ -21,6 +21,9 @@ namespace api {
|
||||
msd::channel<std::string> chan;
|
||||
db::User user = dto::get_user(req);
|
||||
auth::revoke_all(user);
|
||||
|
||||
std::unique_lock lock(*fs::get_user_mutex(user.getValueOfId()));
|
||||
|
||||
fs::delete_node((fs::get_node(user.getValueOfRootId())).value(), chan, true);
|
||||
user_mapper.deleteOne(user);
|
||||
|
||||
|
||||
Reference in New Issue
Block a user