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),
94 PHYSFS_mkdir(m_addon_directory.c_str());
96 add_installed_addons();
98 // FIXME: We should also restore the order here
99 for(auto& addon : m_addon_config)
105 enable_addon(addon.id);
107 catch(const std::exception& err)
109 log_warning << "failed to enable addon from config: " << err.what() << std::endl;
115 AddonManager::~AddonManager()
117 // sync enabled/disabled addons into the config for saving
118 m_addon_config.clear();
119 for(auto& addon : m_installed_addons)
121 m_addon_config.push_back({addon->get_id(), addon->is_enabled()});
126 AddonManager::get_repository_addon(const AddonId& id)
128 auto it = std::find_if(m_repository_addons.begin(), m_repository_addons.end(),
129 [&id](const std::unique_ptr<Addon>& addon)
131 return addon->get_id() == id;
134 if (it != m_repository_addons.end())
140 throw std::runtime_error("Couldn't find repository Addon with id: " + id);
145 AddonManager::get_installed_addon(const AddonId& id)
147 auto it = std::find_if(m_installed_addons.begin(), m_installed_addons.end(),
148 [&id](const std::unique_ptr<Addon>& addon)
150 return addon->get_id() == id;
153 if (it != m_installed_addons.end())
159 throw std::runtime_error("Couldn't find installed Addon with id: " + id);
164 AddonManager::get_repository_addons() const
166 std::vector<AddonId> results;
167 results.reserve(m_repository_addons.size());
168 std::transform(m_repository_addons.begin(), m_repository_addons.end(),
169 std::back_inserter(results),
170 [](const std::unique_ptr<Addon>& addon)
172 return addon->get_id();
179 AddonManager::get_installed_addons() const
181 std::vector<AddonId> results;
182 results.reserve(m_installed_addons.size());
183 std::transform(m_installed_addons.begin(), m_installed_addons.end(),
184 std::back_inserter(results),
185 [](const std::unique_ptr<Addon>& addon)
187 return addon->get_id();
193 AddonManager::has_online_support() const
199 AddonManager::has_been_updated() const
201 return m_has_been_updated;
205 AddonManager::request_check_online()
207 if (m_transfer_status)
209 throw std::runtime_error("only async request can be made to AddonManager at a time");
213 m_transfer_status = m_downloader.request_download(m_repository_url, "/addons/repository.nfo");
215 m_transfer_status->then([this]{
216 m_repository_addons = parse_addon_infos("/addons/repository.nfo");
217 m_has_been_updated = true;
219 m_transfer_status = {};
222 return m_transfer_status;
227 AddonManager::check_online()
229 m_downloader.download(m_repository_url, "/addons/repository.nfo");
230 m_repository_addons = parse_addon_infos("/addons/repository.nfo");
231 m_has_been_updated = true;
235 AddonManager::request_install_addon(const AddonId& addon_id)
237 if (m_transfer_status)
239 throw std::runtime_error("only one addon install request allowed at a time");
243 { // remove addon if it already exists
244 auto it = std::find_if(m_installed_addons.begin(), m_installed_addons.end(),
245 [&addon_id](const std::unique_ptr<Addon>& addon)
247 return addon->get_id() == addon_id;
249 if (it != m_installed_addons.end())
251 log_debug << "reinstalling addon " << addon_id << std::endl;
252 if ((*it)->is_enabled())
254 disable_addon((*it)->get_id());
256 m_installed_addons.erase(it);
260 log_debug << "installing addon " << addon_id << std::endl;
264 Addon& addon = get_repository_addon(addon_id);
266 std::string install_filename = FileSystem::join(m_addon_directory, addon.get_filename());
268 m_transfer_status = m_downloader.request_download(addon.get_url(), install_filename);
270 m_transfer_status->then(
271 [this, install_filename, addon_id]
273 // complete the addon install
274 Addon& repository_addon = get_repository_addon(addon_id);
276 MD5 md5 = md5_from_file(install_filename);
277 if (repository_addon.get_md5() != md5.hex_digest())
279 if (PHYSFS_delete(install_filename.c_str()) == 0)
281 log_warning << "PHYSFS_delete failed: " << PHYSFS_getLastError() << std::endl;
284 throw std::runtime_error("Downloading Add-on failed: MD5 checksums differ");
288 const char* realdir = PHYSFS_getRealDir(install_filename.c_str());
291 throw std::runtime_error("PHYSFS_getRealDir failed: " + install_filename);
295 add_installed_archive(install_filename, md5.hex_digest());
299 m_transfer_status = {};
302 return m_transfer_status;
307 AddonManager::install_addon(const AddonId& addon_id)
309 { // remove addon if it already exists
310 auto it = std::find_if(m_installed_addons.begin(), m_installed_addons.end(),
311 [&addon_id](const std::unique_ptr<Addon>& addon)
313 return addon->get_id() == addon_id;
315 if (it != m_installed_addons.end())
317 log_debug << "reinstalling addon " << addon_id << std::endl;
318 if ((*it)->is_enabled())
320 disable_addon((*it)->get_id());
322 m_installed_addons.erase(it);
326 log_debug << "installing addon " << addon_id << std::endl;
330 Addon& repository_addon = get_repository_addon(addon_id);
332 std::string install_filename = FileSystem::join(m_addon_directory, repository_addon.get_filename());
334 m_downloader.download(repository_addon.get_url(), install_filename);
336 MD5 md5 = md5_from_file(install_filename);
337 if (repository_addon.get_md5() != md5.hex_digest())
339 if (PHYSFS_delete(install_filename.c_str()) == 0)
341 log_warning << "PHYSFS_delete failed: " << PHYSFS_getLastError() << std::endl;
344 throw std::runtime_error("Downloading Add-on failed: MD5 checksums differ");
348 const char* realdir = PHYSFS_getRealDir(install_filename.c_str());
351 throw std::runtime_error("PHYSFS_getRealDir failed: " + install_filename);
355 add_installed_archive(install_filename, md5.hex_digest());
361 AddonManager::uninstall_addon(const AddonId& addon_id)
363 log_debug << "uninstalling addon " << addon_id << std::endl;
364 Addon& addon = get_installed_addon(addon_id);
365 if (addon.is_enabled())
367 disable_addon(addon_id);
369 log_debug << "deleting file \"" << addon.get_install_filename() << "\"" << std::endl;
370 PHYSFS_delete(addon.get_install_filename().c_str());
371 m_installed_addons.erase(std::remove_if(m_installed_addons.begin(), m_installed_addons.end(),
372 [&addon](const std::unique_ptr<Addon>& rhs)
374 return addon.get_id() == rhs->get_id();
376 m_installed_addons.end());
380 AddonManager::enable_addon(const AddonId& addon_id)
382 log_debug << "enabling addon " << addon_id << std::endl;
383 Addon& addon = get_installed_addon(addon_id);
384 if (addon.is_enabled())
386 log_warning << "Tried enabling already enabled Add-on" << std::endl;
390 log_debug << "Adding archive \"" << addon.get_install_filename() << "\" to search path" << std::endl;
391 //int PHYSFS_mount(addon.installed_install_filename.c_str(), "addons/", 0)
392 if (PHYSFS_addToSearchPath(addon.get_install_filename().c_str(), 0) == 0)
394 log_warning << "Could not add " << addon.get_install_filename() << " to search path: "
395 << PHYSFS_getLastError() << std::endl;
399 addon.set_enabled(true);
405 AddonManager::disable_addon(const AddonId& addon_id)
407 log_debug << "disabling addon " << addon_id << std::endl;
408 Addon& addon = get_installed_addon(addon_id);
409 if (!addon.is_enabled())
411 log_warning << "Tried disabling already disabled Add-On" << std::endl;
415 log_debug << "Removing archive \"" << addon.get_install_filename() << "\" from search path" << std::endl;
416 if (PHYSFS_removeFromSearchPath(addon.get_install_filename().c_str()) == 0)
418 log_warning << "Could not remove " << addon.get_install_filename() << " from search path: "
419 << PHYSFS_getLastError() << std::endl;
423 addon.set_enabled(false);
428 std::vector<std::string>
429 AddonManager::scan_for_archives() const
431 std::vector<std::string> archives;
433 // Search for archives and add them to the search path
434 std::unique_ptr<char*, decltype(&PHYSFS_freeList)>
435 rc(PHYSFS_enumerateFiles(m_addon_directory.c_str()),
437 for(char** i = rc.get(); *i != 0; ++i)
439 if (has_suffix(*i, ".zip"))
441 std::string archive = FileSystem::join(m_addon_directory, *i);
442 if (PHYSFS_exists(archive.c_str()))
444 archives.push_back(archive);
453 AddonManager::scan_for_info(const std::string& archive_os_path) const
455 std::unique_ptr<char*, decltype(&PHYSFS_freeList)>
456 rc2(PHYSFS_enumerateFiles("/"),
458 for(char** j = rc2.get(); *j != 0; ++j)
460 if (has_suffix(*j, ".nfo"))
462 std::string nfo_filename = FileSystem::join("/", *j);
464 // make sure it's in the current archive_os_path
465 const char* realdir = PHYSFS_getRealDir(nfo_filename.c_str());
468 log_warning << "PHYSFS_getRealDir() failed for " << nfo_filename << ": " << PHYSFS_getLastError() << std::endl;
472 if (realdir == archive_os_path)
480 return std::string();
484 AddonManager::add_installed_archive(const std::string& archive, const std::string& md5)
486 const char* realdir = PHYSFS_getRealDir(archive.c_str());
489 log_warning << "PHYSFS_getRealDir() failed for " << archive << ": "
490 << PHYSFS_getLastError() << std::endl;
494 std::string os_path = FileSystem::join(realdir, archive);
496 PHYSFS_addToSearchPath(os_path.c_str(), 0);
498 std::string nfo_filename = scan_for_info(os_path);
500 if (nfo_filename.empty())
502 log_warning << "Couldn't find .nfo file for " << os_path << std::endl;
508 std::unique_ptr<Addon> addon = Addon::parse(nfo_filename);
509 addon->set_install_filename(os_path, md5);
510 m_installed_addons.push_back(std::move(addon));
512 catch (const std::runtime_error& e)
514 log_warning << "Could not load add-on info for " << archive << ": " << e.what() << std::endl;
518 PHYSFS_removeFromSearchPath(os_path.c_str());
523 AddonManager::add_installed_addons()
525 auto archives = scan_for_archives();
527 for(auto archive : archives)
529 MD5 md5 = md5_from_file(archive);
530 add_installed_archive(archive, md5.hex_digest());
534 AddonManager::AddonList
535 AddonManager::parse_addon_infos(const std::string& filename) const
542 const lisp::Lisp* root = parser.parse(filename);
543 const lisp::Lisp* addons_lisp = root->get_lisp("supertux-addons");
546 throw std::runtime_error("Downloaded file is not an Add-on list");
550 lisp::ListIterator iter(addons_lisp);
553 const std::string& token = iter.item();
554 if(token != "supertux-addoninfo")
556 log_warning << "Unknown token '" << token << "' in Add-on list" << std::endl;
560 std::unique_ptr<Addon> addon = Addon::parse(*iter.lisp());
561 m_addons.push_back(std::move(addon));
568 catch(const std::exception& e)
570 std::stringstream msg;
571 msg << "Problem when reading Add-on list: " << e.what();
572 throw std::runtime_error(msg.str());
579 AddonManager::update()
581 m_downloader.update();
585 AddonManager::abort_install()
587 log_info << "addon install aborted" << std::endl;
589 m_downloader.abort(m_transfer_status->id);
591 m_transfer_status = {};