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| 1 // Copyright (c) 2008, Google Inc. | |
| 2 // All rights reserved. | |
| 3 // | |
| 4 // Redistribution and use in source and binary forms, with or without | |
| 5 // modification, are permitted provided that the following conditions are | |
| 6 // met: | |
| 7 // | |
| 8 // * Redistributions of source code must retain the above copyright | |
| 9 // notice, this list of conditions and the following disclaimer. | |
| 10 // * Redistributions in binary form must reproduce the above | |
| 11 // copyright notice, this list of conditions and the following disclaimer | |
| 12 // in the documentation and/or other materials provided with the | |
| 13 // distribution. | |
| 14 // * Neither the name of Google Inc. nor the names of its | |
| 15 // contributors may be used to endorse or promote products derived from | |
| 16 // this software without specific prior written permission. | |
| 17 // | |
| 18 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| 19 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
| 20 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
| 21 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
| 22 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
| 23 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
| 24 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
| 25 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
| 26 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 27 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 28 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 29 | |
| 30 // These functions are used by the javascript access to the | |
| 31 // netscape.plugins object. See PluginInfoStore.h. | |
| 32 // They are also used by WebViewImpl to check if a plugin exists for a given | |
| 33 // MIME type. | |
| 34 // | |
| 35 | |
| 36 #include "config.h" | |
| 37 | |
| 38 #pragma warning(push, 0) | |
| 39 #include "PluginInfoStore.h" | |
| 40 #pragma warning(pop) | |
| 41 #undef LOG | |
| 42 | |
| 43 #include "base/file_util.h" | |
| 44 #include "base/string_util.h" | |
| 45 #include "base/sys_string_conversions.h" | |
| 46 #include "webkit/glue/plugins/plugin_list.h" | |
| 47 #include "glue/glue_util.h" | |
| 48 #include "glue/webkit_glue.h" | |
| 49 #include "net/base/mime_util.h" | |
| 50 | |
| 51 namespace WebCore { | |
| 52 | |
| 53 // We cache the plugins ourselves, since if we're getting them from the another | |
| 54 // process GetPlugins() will be expensive. | |
| 55 static bool g_loaded_plugins = false; | |
| 56 static std::vector<WebPluginInfo> g_plugins; | |
| 57 | |
| 58 void LoadPlugins(bool refresh) | |
| 59 { | |
| 60 if (g_loaded_plugins && !refresh) | |
| 61 return; | |
| 62 | |
| 63 g_loaded_plugins = true; | |
| 64 webkit_glue::GetPlugins(refresh, &g_plugins); | |
| 65 } | |
| 66 | |
| 67 // Returns a PluginInfo pointer. Caller is responsible for | |
| 68 // deleting contents of the PluginInfo. | |
| 69 PluginInfo* PluginInfoStore::createPluginInfoForPluginAtIndex(unsigned int index
) | |
| 70 { | |
| 71 WebCore::PluginInfo* rv = new WebCore::PluginInfo(); | |
| 72 const WebPluginInfo& plugin = g_plugins[index]; | |
| 73 rv->name = webkit_glue::StdWStringToString(plugin.name); | |
| 74 rv->desc = webkit_glue::StdWStringToString(plugin.desc); | |
| 75 rv->file = webkit_glue::StdWStringToString( | |
| 76 file_util::GetFilenameFromPath(plugin.file)); | |
| 77 for (size_t j = 0; j < plugin.mime_types.size(); ++ j) { | |
| 78 WebCore::MimeClassInfo* new_mime = new WebCore::MimeClassInfo(); | |
| 79 const WebPluginMimeType& mime_type = plugin.mime_types[j]; | |
| 80 new_mime->desc = webkit_glue::StdWStringToString(mime_type.description); | |
| 81 | |
| 82 for (size_t k = 0; k < mime_type.file_extensions.size(); ++k) { | |
| 83 if (new_mime->suffixes.length()) | |
| 84 new_mime->suffixes.append(","); | |
| 85 | |
| 86 new_mime->suffixes.append(webkit_glue::StdStringToString( | |
| 87 mime_type.file_extensions[k])); | |
| 88 } | |
| 89 | |
| 90 new_mime->type = webkit_glue::StdStringToString(mime_type.mime_type); | |
| 91 new_mime->plugin = rv; | |
| 92 rv->mimes.append(new_mime); | |
| 93 } | |
| 94 | |
| 95 return rv; | |
| 96 } | |
| 97 | |
| 98 unsigned PluginInfoStore::pluginCount() const | |
| 99 { | |
| 100 LoadPlugins(false); | |
| 101 | |
| 102 return g_plugins.size(); | |
| 103 } | |
| 104 | |
| 105 bool PluginInfoStore::supportsMIMEType(const WebCore::String &mime_type) | |
| 106 { | |
| 107 LoadPlugins(false); | |
| 108 | |
| 109 std::wstring converted_mime_type = webkit_glue::StringToStdWString(mime_type
); | |
| 110 | |
| 111 for (size_t i = 0; i < g_plugins.size(); ++i) { | |
| 112 for (size_t j = 0; j < g_plugins[i].mime_types.size(); ++j) { | |
| 113 if (net::MatchesMimeType( | |
| 114 g_plugins[i].mime_types[j].mime_type, | |
| 115 base::SysWideToNativeMB(converted_mime_type))) { | |
| 116 // Don't allow wildcard matches here as this will result in | |
| 117 // plugins being instantiated in cases where they should not. | |
| 118 // For e.g. clicking on a link which causes a file to be | |
| 119 // downloaded, special mime types like text/xml, etc. In any | |
| 120 // case the webkit codepaths which invoke this function don't | |
| 121 // expect wildcard plugin matches. | |
| 122 if (g_plugins[i].mime_types[j].mime_type == "*") { | |
| 123 continue; | |
| 124 } | |
| 125 return true; | |
| 126 } | |
| 127 } | |
| 128 } | |
| 129 | |
| 130 return false; | |
| 131 } | |
| 132 | |
| 133 void refreshPlugins(bool) | |
| 134 { | |
| 135 LoadPlugins(true); | |
| 136 } | |
| 137 | |
| 138 String GetPluginMimeTypeFromExtension(const String& extension) { | |
| 139 LoadPlugins(false); | |
| 140 | |
| 141 std::string mime_type; | |
| 142 std::string extension_std = WideToUTF8( | |
| 143 webkit_glue::StringToStdWString(extension)); | |
| 144 for (size_t i = 0; i < g_plugins.size(); ++i) { | |
| 145 if (NPAPI::PluginList::SupportsExtension( | |
| 146 g_plugins[i], extension_std, &mime_type)) | |
| 147 break; | |
| 148 } | |
| 149 | |
| 150 return webkit_glue::StdStringToString(mime_type); | |
| 151 } | |
| 152 | |
| 153 } // namespace WebCore | |
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