3 // SuperTux - Add-on Manager
4 // Copyright (C) 2007 Christoph Sommer <christoph.sommer@2007.expires.deltadevelopment.de>
6 // This program is free software; you can redistribute it and/or
7 // modify it under the terms of the GNU General Public License
8 // as published by the Free Software Foundation; either version 2
9 // of the License, or (at your option) any later version.
11 // This program is distributed in the hope that it will be useful,
12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 // GNU General Public License for more details.
16 // You should have received a copy of the GNU General Public License
17 // along with this program; if not, write to the Free Software
18 // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
26 #include "addon_manager.hpp"
31 #include <curl/curl.h>
32 #include <curl/types.h>
33 #include <curl/easy.h>
39 size_t my_curl_string_append(void *ptr, size_t size, size_t nmemb, void *string_ptr)
41 std::string& s = *static_cast<std::string*>(string_ptr);
42 std::string buf(static_cast<char*>(ptr), size * nmemb);
44 log_debug << "read " << size * nmemb << " bytes of data..." << std::endl;
48 size_t my_curl_physfs_write(void *ptr, size_t size, size_t nmemb, void *f_p)
50 PHYSFS_file* f = static_cast<PHYSFS_file*>(f_p);
51 PHYSFS_sint64 written = PHYSFS_write(f, ptr, size, nmemb);
52 log_debug << "read " << size * nmemb << " bytes of data..." << std::endl;
53 return size * written;
60 AddonManager::get_instance()
62 static AddonManager instance;
66 AddonManager::AddonManager()
69 curl_global_init(CURL_GLOBAL_ALL);
73 AddonManager::~AddonManager()
76 curl_global_cleanup();
81 AddonManager::get_addons() const
83 std::vector<Addon> addons;
85 // first step: search for installed addons
87 // iterate over complete search path (i.e. directories and archives)
88 char **i = PHYSFS_getSearchPath();
89 if (!i) throw std::runtime_error("Could not query physfs search path");
90 for (; *i != NULL; i++) {
92 // get filename of potential archive
93 std::string fileName = *i;
95 // make sure it's in the writeDir
96 static const std::string writeDir = PHYSFS_getWriteDir();
97 if (fileName.compare(0, writeDir.length(), writeDir) != 0) continue;
99 // make sure it looks like an archive
100 static const std::string archiveExt = ".zip";
101 if (fileName.compare(fileName.length()-archiveExt.length(), archiveExt.length(), archiveExt) != 0) continue;
103 // make sure it exists
105 if (stat(fileName.c_str(), &stats) != 0) continue;
107 // make sure it's an actual file
108 if (!S_ISREG(stats.st_mode)) continue;
110 // extract nice title
111 static const char* dirSep = PHYSFS_getDirSeparator();
112 std::string::size_type n = fileName.rfind(dirSep) + 1;
113 if (n == std::string::npos) n = 0;
114 std::string title = fileName.substr(n, fileName.length() - n - archiveExt.length());
118 addon.fname = fileName;
119 addon.isInstalled = true;
121 addons.push_back(addon);
125 // second step: search for available addons
127 // FIXME: This URL is just for testing!
128 const char* baseUrl = "http://www.deltadevelopment.de/users/christoph/supertux/addons/";
129 std::string html = "";
132 curl_handle = curl_easy_init();
133 curl_easy_setopt(curl_handle, CURLOPT_URL, baseUrl);
134 curl_easy_setopt(curl_handle, CURLOPT_USERAGENT, "SuperTux/" PACKAGE_VERSION " libcURL");
135 curl_easy_setopt(curl_handle, CURLOPT_WRITEFUNCTION, my_curl_string_append);
136 curl_easy_setopt(curl_handle, CURLOPT_WRITEDATA, &html);
137 curl_easy_perform(curl_handle);
138 curl_easy_cleanup(curl_handle);
140 //std::string html = "Blubb<a href=\"http://www.deltadevelopment.de/users/christoph/supertux/addons/coconut_fortress.zip\">Coconut Fortress</a>\nFoobar<a href=\"http://www.deltadevelopment.de/users/christoph/supertux/addons/in_the_spring.zip\">Another</a>Baz";
141 static const std::string startToken = "href=\"";
142 static const std::string endToken = "\"";
144 // extract urls: for each startToken found...
145 std::string::size_type n = 0;
146 while ((n = html.find(startToken)) != std::string::npos) {
148 // strip everything up to and including token
149 html.erase(0, n + startToken.length());
152 std::string::size_type n2 = html.find(endToken);
153 if (n2 == std::string::npos) break;
155 // extract url: it's the string inbetween
156 std::string url = html.substr(0, n2);
158 // strip everything up to and including endToken
159 html.erase(0, n2 + endToken.length());
162 url = std::string(baseUrl) + url;
164 // make sure url looks like it points to an archive
165 static const std::string archiveExt = ".zip";
166 if (url.compare(url.length()-archiveExt.length(), archiveExt.length(), archiveExt) != 0) continue;
168 // extract nice title
169 std::string::size_type n = url.rfind('/') + 1;
170 if (n == std::string::npos) n = 0;
171 std::string title = url.substr(n, url.length() - n - archiveExt.length());
173 // construct file name
174 std::string fname = url.substr(n);
176 // make sure it does not contain weird characters
177 if (fname.find_first_not_of("match.quiz-proxy_gwenblvdjfks0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ") != std::string::npos) continue;
183 addon.isInstalled = false;
185 addons.push_back(addon);
194 AddonManager::install(const Addon&
203 char* url = (char*)malloc(addon.url.length() + 1);
204 strncpy(url, addon.url.c_str(), addon.url.length() + 1);
206 PHYSFS_file* f = PHYSFS_openWrite(addon.fname.c_str());
208 log_debug << "Downloading \"" << url << "\"" << std::endl;
211 curl_handle = curl_easy_init();
212 curl_easy_setopt(curl_handle, CURLOPT_URL, url);
213 curl_easy_setopt(curl_handle, CURLOPT_USERAGENT, "SuperTux/" PACKAGE_VERSION " libcURL");
214 curl_easy_setopt(curl_handle, CURLOPT_WRITEFUNCTION, my_curl_physfs_write);
215 curl_easy_setopt(curl_handle, CURLOPT_WRITEDATA, f);
216 curl_easy_perform(curl_handle);
217 curl_easy_cleanup(curl_handle);
223 static const std::string writeDir = PHYSFS_getWriteDir();
224 static const std::string dirSep = PHYSFS_getDirSeparator();
225 std::string fullFilename = writeDir + dirSep + addon.fname;
226 log_debug << "Finished downloading \"" << fullFilename << "\"" << std::endl;
227 PHYSFS_addToSearchPath(fullFilename.c_str(), 1);
233 AddonManager::remove(const Addon& addon)
235 PHYSFS_removeFromSearchPath(addon.fname.c_str());
236 unlink(addon.fname.c_str());