1 // SuperTux - Add-on Manager
2 // Copyright (C) 2007 Christoph Sommer <christoph.sommer@2007.expires.deltadevelopment.de>
3 // 2014 Ingo Ruhnke <grumbel@gmail.com>
5 // This program is free software: you can redistribute it and/or modify
6 // it under the terms of the GNU General Public License as published by
7 // the Free Software Foundation, either version 3 of the License, or
8 // (at your option) any later version.
10 // This program is distributed in the hope that it will be useful,
11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 // GNU General Public License for more details.
15 // You should have received a copy of the GNU General Public License
16 // along with this program. If not, see <http://www.gnu.org/licenses/>.
18 #include "addon/addon_manager.hpp"
32 #include "addon/addon.hpp"
33 #include "addon/md5.hpp"
34 #include "lisp/list_iterator.hpp"
35 #include "lisp/parser.hpp"
36 #include "util/file_system.hpp"
37 #include "util/log.hpp"
38 #include "util/reader.hpp"
39 #include "util/writer.hpp"
43 MD5 md5_from_file(const std::string& filename)
45 // TODO: this does not work as expected for some files -- IFileStream seems to not always behave like an ifstream.
46 //IFileStream ifs(installed_physfs_filename);
47 //std::string md5 = MD5(ifs).hex_digest();
51 unsigned char buffer[1024];
52 PHYSFS_file* file = PHYSFS_openRead(filename.c_str());
55 std::ostringstream out;
56 out << "PHYSFS_openRead() failed: " << PHYSFS_getLastError();
57 throw std::runtime_error(out.str());
63 PHYSFS_sint64 len = PHYSFS_read(file, buffer, 1, sizeof(buffer));
65 md5.update(buffer, len);
73 bool has_suffix(const std::string& str, const std::string& suffix)
75 if (str.length() >= suffix.length())
76 return str.compare(str.length() - suffix.length(), suffix.length(), suffix) == 0;
83 AddonManager::AddonManager(const std::string& addon_directory,
84 std::vector<Config::Addon>& addon_config) :
86 m_addon_directory(addon_directory),
87 m_repository_url("http://addons.supertux.googlecode.com/git/index-0_4_0.nfo"),
88 m_addon_config(addon_config),
90 m_repository_addons(),
91 m_has_been_updated(false),
95 PHYSFS_mkdir(m_addon_directory.c_str());
97 add_installed_addons();
99 // FIXME: We should also restore the order here
100 for(auto& addon : m_addon_config)
106 enable_addon(addon.id);
108 catch(const std::exception& err)
110 log_warning << "failed to enable addon from config: " << err.what() << std::endl;
116 AddonManager::~AddonManager()
118 // sync enabled/disabled addons into the config for saving
119 m_addon_config.clear();
120 for(auto& addon : m_installed_addons)
122 m_addon_config.push_back({addon->get_id(), addon->is_enabled()});
127 AddonManager::get_repository_addon(const AddonId& id)
129 auto it = std::find_if(m_repository_addons.begin(), m_repository_addons.end(),
130 [&id](const std::unique_ptr<Addon>& addon)
132 return addon->get_id() == id;
135 if (it != m_repository_addons.end())
141 throw std::runtime_error("Couldn't find repository Addon with id: " + id);
146 AddonManager::get_installed_addon(const AddonId& id)
148 auto it = std::find_if(m_installed_addons.begin(), m_installed_addons.end(),
149 [&id](const std::unique_ptr<Addon>& addon)
151 return addon->get_id() == id;
154 if (it != m_installed_addons.end())
160 throw std::runtime_error("Couldn't find installed Addon with id: " + id);
165 AddonManager::get_repository_addons() const
167 std::vector<AddonId> results;
168 results.reserve(m_repository_addons.size());
169 std::transform(m_repository_addons.begin(), m_repository_addons.end(),
170 std::back_inserter(results),
171 [](const std::unique_ptr<Addon>& addon)
173 return addon->get_id();
180 AddonManager::get_installed_addons() const
182 std::vector<AddonId> results;
183 results.reserve(m_installed_addons.size());
184 std::transform(m_installed_addons.begin(), m_installed_addons.end(),
185 std::back_inserter(results),
186 [](const std::unique_ptr<Addon>& addon)
188 return addon->get_id();
194 AddonManager::has_online_support() const
200 AddonManager::has_been_updated() const
202 return m_has_been_updated;
206 AddonManager::request_check_online()
208 if (m_transfer_status)
210 throw std::runtime_error("only async request can be made to AddonManager at a time");
214 m_transfer_status = m_downloader.request_download(m_repository_url, "/addons/repository.nfo");
216 m_transfer_status->then([this]{
217 m_repository_addons = parse_addon_infos("/addons/repository.nfo");
218 m_has_been_updated = true;
220 m_transfer_status = {};
223 return m_transfer_status;
228 AddonManager::check_online()
230 m_downloader.download(m_repository_url, "/addons/repository.nfo");
231 m_repository_addons = parse_addon_infos("/addons/repository.nfo");
232 m_has_been_updated = true;
236 AddonManager::request_install_addon(const AddonId& addon_id)
238 if (m_transfer_status)
240 throw std::runtime_error("only one addon install request allowed at a time");
244 { // remove addon if it already exists
245 auto it = std::find_if(m_installed_addons.begin(), m_installed_addons.end(),
246 [&addon_id](const std::unique_ptr<Addon>& addon)
248 return addon->get_id() == addon_id;
250 if (it != m_installed_addons.end())
252 log_debug << "reinstalling addon " << addon_id << std::endl;
253 if ((*it)->is_enabled())
255 disable_addon((*it)->get_id());
257 m_installed_addons.erase(it);
261 log_debug << "installing addon " << addon_id << std::endl;
266 Addon& repository_addon = get_repository_addon(addon_id);
268 m_install_request = std::make_shared<InstallRequest>();
269 m_install_request->install_filename = FileSystem::join(m_addon_directory, repository_addon.get_filename());
270 m_install_request->addon_id = addon_id;
272 m_transfer_status = m_downloader.request_download(repository_addon.get_url(),
273 m_install_request->install_filename);
276 m_transfer_status->then(
279 // complete the addon install
280 Addon& repository_addon = get_repository_addon(m_install_request->addon_id);
282 MD5 md5 = md5_from_file(m_install_request->install_filename);
283 if (repository_addon.get_md5() != md5.hex_digest())
285 if (PHYSFS_delete(m_install_request->install_filename.c_str()) == 0)
287 log_warning << "PHYSFS_delete failed: " << PHYSFS_getLastError() << std::endl;
290 throw std::runtime_error("Downloading Add-on failed: MD5 checksums differ");
294 const char* realdir = PHYSFS_getRealDir(m_install_request->install_filename.c_str());
297 throw std::runtime_error("PHYSFS_getRealDir failed: " + m_install_request->install_filename);
301 add_installed_archive(m_install_request->install_filename, md5.hex_digest());
305 m_install_request = {};
306 m_transfer_status = {};
309 return m_transfer_status;
314 AddonManager::install_addon(const AddonId& addon_id)
316 { // remove addon if it already exists
317 auto it = std::find_if(m_installed_addons.begin(), m_installed_addons.end(),
318 [&addon_id](const std::unique_ptr<Addon>& addon)
320 return addon->get_id() == addon_id;
322 if (it != m_installed_addons.end())
324 log_debug << "reinstalling addon " << addon_id << std::endl;
325 if ((*it)->is_enabled())
327 disable_addon((*it)->get_id());
329 m_installed_addons.erase(it);
333 log_debug << "installing addon " << addon_id << std::endl;
337 Addon& repository_addon = get_repository_addon(addon_id);
339 std::string install_filename = FileSystem::join(m_addon_directory, repository_addon.get_filename());
341 m_downloader.download(repository_addon.get_url(), install_filename);
343 MD5 md5 = md5_from_file(install_filename);
344 if (repository_addon.get_md5() != md5.hex_digest())
346 if (PHYSFS_delete(install_filename.c_str()) == 0)
348 log_warning << "PHYSFS_delete failed: " << PHYSFS_getLastError() << std::endl;
351 throw std::runtime_error("Downloading Add-on failed: MD5 checksums differ");
355 const char* realdir = PHYSFS_getRealDir(install_filename.c_str());
358 throw std::runtime_error("PHYSFS_getRealDir failed: " + install_filename);
362 add_installed_archive(install_filename, md5.hex_digest());
368 AddonManager::uninstall_addon(const AddonId& addon_id)
370 log_debug << "uninstalling addon " << addon_id << std::endl;
371 Addon& addon = get_installed_addon(addon_id);
372 if (addon.is_enabled())
374 disable_addon(addon_id);
376 log_debug << "deleting file \"" << addon.get_install_filename() << "\"" << std::endl;
377 PHYSFS_delete(addon.get_install_filename().c_str());
378 m_installed_addons.erase(std::remove_if(m_installed_addons.begin(), m_installed_addons.end(),
379 [&addon](const std::unique_ptr<Addon>& rhs)
381 return addon.get_id() == rhs->get_id();
383 m_installed_addons.end());
387 AddonManager::enable_addon(const AddonId& addon_id)
389 log_debug << "enabling addon " << addon_id << std::endl;
390 Addon& addon = get_installed_addon(addon_id);
391 if (addon.is_enabled())
393 log_warning << "Tried enabling already enabled Add-on" << std::endl;
397 log_debug << "Adding archive \"" << addon.get_install_filename() << "\" to search path" << std::endl;
398 //int PHYSFS_mount(addon.installed_install_filename.c_str(), "addons/", 0)
399 if (PHYSFS_addToSearchPath(addon.get_install_filename().c_str(), 0) == 0)
401 log_warning << "Could not add " << addon.get_install_filename() << " to search path: "
402 << PHYSFS_getLastError() << std::endl;
406 addon.set_enabled(true);
412 AddonManager::disable_addon(const AddonId& addon_id)
414 log_debug << "disabling addon " << addon_id << std::endl;
415 Addon& addon = get_installed_addon(addon_id);
416 if (!addon.is_enabled())
418 log_warning << "Tried disabling already disabled Add-On" << std::endl;
422 log_debug << "Removing archive \"" << addon.get_install_filename() << "\" from search path" << std::endl;
423 if (PHYSFS_removeFromSearchPath(addon.get_install_filename().c_str()) == 0)
425 log_warning << "Could not remove " << addon.get_install_filename() << " from search path: "
426 << PHYSFS_getLastError() << std::endl;
430 addon.set_enabled(false);
435 std::vector<std::string>
436 AddonManager::scan_for_archives() const
438 std::vector<std::string> archives;
440 // Search for archives and add them to the search path
441 std::unique_ptr<char*, decltype(&PHYSFS_freeList)>
442 rc(PHYSFS_enumerateFiles(m_addon_directory.c_str()),
444 for(char** i = rc.get(); *i != 0; ++i)
446 if (has_suffix(*i, ".zip"))
448 std::string archive = FileSystem::join(m_addon_directory, *i);
449 if (PHYSFS_exists(archive.c_str()))
451 archives.push_back(archive);
460 AddonManager::scan_for_info(const std::string& archive_os_path) const
462 std::unique_ptr<char*, decltype(&PHYSFS_freeList)>
463 rc2(PHYSFS_enumerateFiles("/"),
465 for(char** j = rc2.get(); *j != 0; ++j)
467 if (has_suffix(*j, ".nfo"))
469 std::string nfo_filename = FileSystem::join("/", *j);
471 // make sure it's in the current archive_os_path
472 const char* realdir = PHYSFS_getRealDir(nfo_filename.c_str());
475 log_warning << "PHYSFS_getRealDir() failed for " << nfo_filename << ": " << PHYSFS_getLastError() << std::endl;
479 if (realdir == archive_os_path)
487 return std::string();
491 AddonManager::add_installed_archive(const std::string& archive, const std::string& md5)
493 const char* realdir = PHYSFS_getRealDir(archive.c_str());
496 log_warning << "PHYSFS_getRealDir() failed for " << archive << ": "
497 << PHYSFS_getLastError() << std::endl;
501 std::string os_path = FileSystem::join(realdir, archive);
503 PHYSFS_addToSearchPath(os_path.c_str(), 0);
505 std::string nfo_filename = scan_for_info(os_path);
507 if (nfo_filename.empty())
509 log_warning << "Couldn't find .nfo file for " << os_path << std::endl;
515 std::unique_ptr<Addon> addon = Addon::parse(nfo_filename);
516 addon->set_install_filename(os_path, md5);
517 m_installed_addons.push_back(std::move(addon));
519 catch (const std::runtime_error& e)
521 log_warning << "Could not load add-on info for " << archive << ": " << e.what() << std::endl;
525 PHYSFS_removeFromSearchPath(os_path.c_str());
530 AddonManager::add_installed_addons()
532 auto archives = scan_for_archives();
534 for(auto archive : archives)
536 MD5 md5 = md5_from_file(archive);
537 add_installed_archive(archive, md5.hex_digest());
541 AddonManager::AddonList
542 AddonManager::parse_addon_infos(const std::string& filename) const
549 const lisp::Lisp* root = parser.parse(filename);
550 const lisp::Lisp* addons_lisp = root->get_lisp("supertux-addons");
553 throw std::runtime_error("Downloaded file is not an Add-on list");
557 lisp::ListIterator iter(addons_lisp);
560 const std::string& token = iter.item();
561 if(token != "supertux-addoninfo")
563 log_warning << "Unknown token '" << token << "' in Add-on list" << std::endl;
567 std::unique_ptr<Addon> addon = Addon::parse(*iter.lisp());
568 m_addons.push_back(std::move(addon));
575 catch(const std::exception& e)
577 std::stringstream msg;
578 msg << "Problem when reading Add-on list: " << e.what();
579 throw std::runtime_error(msg.str());
586 AddonManager::update()
588 m_downloader.update();
592 AddonManager::abort_install()
594 log_info << "addon install aborted" << std::endl;
596 m_downloader.abort(m_transfer_status->id);
598 m_install_request = {};
599 m_transfer_status = {};