1bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdoch// Copyright (c) 2012 The Chromium Authors. All rights reserved. 2bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdoch// Use of this source code is governed by a BSD-style license that can be 3bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdoch// found in the LICENSE file. 4bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdoch 5bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdoch#include "content/common/pepper_plugin_list.h" 6bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdoch 71e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles)#include "base/basictypes.h" 8bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdoch#include "base/command_line.h" 91320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci#include "base/files/file_util.h" 10bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdoch#include "base/strings/string_split.h" 11bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdoch#include "base/strings/string_util.h" 12bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdoch#include "base/strings/utf_string_conversions.h" 13bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdoch#include "content/public/common/content_client.h" 14bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdoch#include "content/public/common/content_switches.h" 15bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdoch#include "content/public/common/pepper_plugin_info.h" 16bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdoch#include "ppapi/shared_impl/ppapi_permissions.h" 17bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdoch 18bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdochnamespace content { 19bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdochnamespace { 20bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdoch 211e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles)// The maximum number of plugins allowed to be registered from command line. 221e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles)const size_t kMaxPluginsToRegisterFromCommandLine = 64; 231e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) 24bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdoch// Appends any plugins from the command line to the given vector. 25bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdochvoid ComputePluginsFromCommandLine(std::vector<PepperPluginInfo>* plugins) { 261e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) // On Linux, once we're sandboxed, we can't know if a plugin is available or 271e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) // not. But (on Linux) this function is always called once before we're 281e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) // sandboxed. So when this function is called for the first time we set a 291e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) // flag if the plugin file is available. Then we can skip the check on file 301e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) // existence in subsequent calls if the flag is set. 311e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) // NOTE: In theory we could have unlimited number of plugins registered in 321e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) // command line. But in practice, 64 plugins should be more than enough. 331e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) static uint64 skip_file_check_flags = 0; 341e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) COMPILE_ASSERT( 351e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) kMaxPluginsToRegisterFromCommandLine <= sizeof(skip_file_check_flags) * 8, 361e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) max_plugins_to_register_from_command_line_exceeds_limit); 371e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) 38bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdoch bool out_of_process = true; 396e8cce623b6e4fe0c9e4af605d675dd9d0338c38Torne (Richard Coles) if (base::CommandLine::ForCurrentProcess()->HasSwitch( 406e8cce623b6e4fe0c9e4af605d675dd9d0338c38Torne (Richard Coles) switches::kPpapiInProcess)) 41bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdoch out_of_process = false; 42bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdoch 43bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdoch const std::string value = 446e8cce623b6e4fe0c9e4af605d675dd9d0338c38Torne (Richard Coles) base::CommandLine::ForCurrentProcess()->GetSwitchValueASCII( 45bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdoch switches::kRegisterPepperPlugins); 46bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdoch if (value.empty()) 47bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdoch return; 48bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdoch 49bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdoch // FORMAT: 50bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdoch // command-line = <plugin-entry> + *( LWS + "," + LWS + <plugin-entry> ) 51bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdoch // plugin-entry = 52bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdoch // <file-path> + 53bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdoch // ["#" + <name> + ["#" + <description> + ["#" + <version>]]] + 54bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdoch // *1( LWS + ";" + LWS + <mime-type> ) 55bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdoch std::vector<std::string> modules; 56bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdoch base::SplitString(value, ',', &modules); 571e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) 581e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) size_t plugins_to_register = modules.size(); 591e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) if (plugins_to_register > kMaxPluginsToRegisterFromCommandLine) { 60a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) VLOG(1) << plugins_to_register << " pepper plugins registered from" 611e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) << " command line which exceeds the limit (maximum " 621e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) << kMaxPluginsToRegisterFromCommandLine << " plugins allowed)"; 631e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) plugins_to_register = kMaxPluginsToRegisterFromCommandLine; 641e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) } 651e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) 661e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) for (size_t i = 0; i < plugins_to_register; ++i) { 67bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdoch std::vector<std::string> parts; 68bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdoch base::SplitString(modules[i], ';', &parts); 69bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdoch if (parts.size() < 2) { 70a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) VLOG(1) << "Required mime-type not found"; 71bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdoch continue; 72bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdoch } 73bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdoch 74bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdoch std::vector<std::string> name_parts; 75bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdoch base::SplitString(parts[0], '#', &name_parts); 76bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdoch 77bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdoch PepperPluginInfo plugin; 78bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdoch plugin.is_out_of_process = out_of_process; 79bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdoch#if defined(OS_WIN) 80bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdoch // This means we can't provide plugins from non-ASCII paths, but 81bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdoch // since this switch is only for development I don't think that's 82bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdoch // too awful. 835d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) plugin.path = base::FilePath(base::ASCIIToUTF16(name_parts[0])); 84bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdoch#else 85bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdoch plugin.path = base::FilePath(name_parts[0]); 86bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdoch#endif 871e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) 881e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) uint64 index_mask = 1ULL << i; 891e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) if (!(skip_file_check_flags & index_mask)) { 901e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) if (base::PathExists(plugin.path)) { 911e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) skip_file_check_flags |= index_mask; 921e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) } else { 93a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) VLOG(1) << "Plugin doesn't exist: " << plugin.path.MaybeAsASCII(); 941e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) continue; 951e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) } 961e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) } 971e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) 98bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdoch if (name_parts.size() > 1) 99bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdoch plugin.name = name_parts[1]; 100bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdoch if (name_parts.size() > 2) 101bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdoch plugin.description = name_parts[2]; 102bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdoch if (name_parts.size() > 3) 103bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdoch plugin.version = name_parts[3]; 104bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdoch for (size_t j = 1; j < parts.size(); ++j) { 105bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdoch WebPluginMimeType mime_type(parts[j], 106bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdoch std::string(), 107bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdoch plugin.description); 108bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdoch plugin.mime_types.push_back(mime_type); 109bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdoch } 110bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdoch 111bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdoch // If the plugin name is empty, use the filename. 1125d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (plugin.name.empty()) { 1135d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) plugin.name = 1145d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) base::UTF16ToUTF8(plugin.path.BaseName().LossyDisplayName()); 1155d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } 116bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdoch 117bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdoch // Command-line plugins get full permissions. 118bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdoch plugin.permissions = ppapi::PERMISSION_ALL_BITS; 119bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdoch 120bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdoch plugins->push_back(plugin); 121bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdoch } 122bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdoch} 123bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdoch 124bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdoch} // namespace 125bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdoch 126bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdochbool MakePepperPluginInfo(const WebPluginInfo& webplugin_info, 127bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdoch PepperPluginInfo* pepper_info) { 128bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdoch if (!webplugin_info.is_pepper_plugin()) 129bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdoch return false; 130bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdoch 131bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdoch pepper_info->is_out_of_process = 132bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdoch webplugin_info.type == WebPluginInfo::PLUGIN_TYPE_PEPPER_OUT_OF_PROCESS || 133bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdoch webplugin_info.type == WebPluginInfo::PLUGIN_TYPE_PEPPER_UNSANDBOXED; 134bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdoch pepper_info->is_sandboxed = webplugin_info.type != 135bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdoch WebPluginInfo::PLUGIN_TYPE_PEPPER_UNSANDBOXED; 136bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdoch 137bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdoch pepper_info->path = base::FilePath(webplugin_info.path); 138a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) pepper_info->name = base::UTF16ToASCII(webplugin_info.name); 139a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) pepper_info->description = base::UTF16ToASCII(webplugin_info.desc); 140a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) pepper_info->version = base::UTF16ToASCII(webplugin_info.version); 141bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdoch pepper_info->mime_types = webplugin_info.mime_types; 142bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdoch pepper_info->permissions = webplugin_info.pepper_permissions; 143bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdoch 144bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdoch return true; 145bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdoch} 146bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdoch 147bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdochvoid ComputePepperPluginList(std::vector<PepperPluginInfo>* plugins) { 148bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdoch GetContentClient()->AddPepperPlugins(plugins); 149bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdoch ComputePluginsFromCommandLine(plugins); 150bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdoch} 151bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdoch 152bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdoch} // namespace content 153