<html xmlns="http://www.w3.org/1999/xhtml"><head></head><body><p><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="7" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[7]</anchor-end> <anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">プラグイン</anchor>は、<dfn><rubyb xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">保安<rt xmlns="http://www.w3.org/1999/xhtml" xml:lang="en">secure</rt></rubyb></dfn>化できるものと、
そうでないものがあります。<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">保安</anchor>化できない<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">プラグイン</anchor>は、
<code class="HTMLa" xml:lang="en"><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">sandbox</anchor></code> 内では使えません。</p><section><h1>仕様書</h1><refs xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:"><ul xmlns="http://www.w3.org/1999/xhtml"><li><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="11" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[11]</anchor-end> <cite xml:lang="en-GB-x-hixie">HTML Standard</cite> (<time>2015-03-05 09:33:40 +09:00</time> 版) <anchor-external xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resScheme="URI" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resParameter="https://html.spec.whatwg.org/#plugin">https://html.spec.whatwg.org/#plugin</anchor-external></li><li><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="1" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[1]</anchor-end> <cite xml:lang="en-GB-x-hixie">HTML Standard</cite> (<time>2015-05-06 10:42:35 +09:00</time> 版) <anchor-external xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resScheme="URI" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resParameter="https://html.spec.whatwg.org/#sandboxPluginObject">https://html.spec.whatwg.org/#sandboxPluginObject</anchor-external></li><li><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="4" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[4]</anchor-end> <cite xml:lang="en-GB-x-hixie">HTML Standard</cite> (<time>2015-05-06 10:42:35 +09:00</time> 版) <anchor-external xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resScheme="URI" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resParameter="https://html.spec.whatwg.org/#sandboxed-plugins-browsing-context-flag">https://html.spec.whatwg.org/#sandboxed-plugins-browsing-context-flag</anchor-external></li></ul></refs></section><section><h1>保安プラグイン</h1><p><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="23" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[23]</anchor-end> <anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">プラグイン</anchor>は、 <code class="DOMa" xml:lang="en"><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">sandbox</anchor></code> <anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">属性</anchor>の指示に従うなら、
<dfn><rubyb xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">保安<rt xmlns="http://www.w3.org/1999/xhtml" xml:lang="en">secured</rt></rubyb></dfn>であるといいます <src xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:10:"><anchor-internal xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="11" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">&gt;&gt;11</anchor-internal></src>。</p><example xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:"><p xmlns="http://www.w3.org/1999/xhtml"><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="24" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[24]</anchor-end> 例えば<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">ポップアップ</anchor>するか否かを <code class="HTMLa" xml:lang="en"><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">sandbox</anchor></code> <anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">属性</anchor>の指定に従って判断するなら、
<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">保安プラグイン</anchor>です <src xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:10:"><anchor-internal xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="11" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">&gt;&gt;11</anchor-internal></src>。</p></example></section><section><h1>プラグインの砂箱化</h1><p><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="2" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[2]</anchor-end> <code class="HTMLe" xml:lang="en"><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">object</anchor></code> <anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">要素</anchor>において<dfn><rubyb xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:"><anchor>プラグインが砂箱化</anchor><rt xmlns="http://www.w3.org/1999/xhtml" xml:lang="en">plugins are being sandboxed</rt></rubyb></dfn>されるとは、
<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">節点文書</anchor>の<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">活性砂箱化フラグ集合</anchor>の<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">砂箱化プラグイン閲覧文脈フラグ</anchor>が設定されていることをいいます <src xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:10:"><anchor-internal xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="1" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">&gt;&gt;1</anchor-internal></src>。 </p><p><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="3" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[3]</anchor-end> <code class="HTMLe" xml:lang="en"><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">embed</anchor></code> <anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">要素</anchor>や <code class="HTMLe" xml:lang="en"><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">applet</anchor></code>
<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">要素</anchor>ではこの用語は定義されていませんが、同じ条件で処理が分岐しています。</p><p><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="5" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[5]</anchor-end> <dfn><rubyb xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">砂箱化プラグイン閲覧文脈フラグ<rt xmlns="http://www.w3.org/1999/xhtml" xml:lang="en">sandboxed plugins browsing context flag</rt></rubyb></dfn>は、
<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">保安</anchor>化できない<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">プラグイン</anchor>の<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">実現値化</anchor>を禁止する<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">砂箱化フラグ集合</anchor>上のフラグです
<src xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:10:"><anchor-internal xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="4" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">&gt;&gt;4</anchor-internal></src>。このフラグは <code class="HTMLa" xml:lang="en"><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">sandbox</anchor></code> <anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">属性</anchor>や
<code class="HTTP" xml:lang="en"><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">sandbox</anchor></code> <anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">指令</anchor>によって設定されます。個別に解除することはできません。</p><comment-p xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:10:"><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="6" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[6]</anchor-end> つまり、 <code xmlns="http://www.w3.org/1999/xhtml" class="HTMLa" xml:lang="en"><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">sandbox</anchor></code> が適用される場面では、
<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">保安プラグイン</anchor>しか使えません。</comment-p></section><section><h1>歴史</h1><p><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="8" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[8]</anchor-end> <cite xml:lang="en">Remove &lt;applet&gt;</cite>
(<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">zcorpan</anchor>著, <time>2017-08-21 22:19:30 +09:00</time>)
<anchor-external xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resScheme="URI" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resParameter="https://github.com/whatwg/html/commit/b9b9d60f9451c05f8e8d542e4094f987ae1a5fb8">https://github.com/whatwg/html/commit/b9b9d60f9451c05f8e8d542e4094f987ae1a5fb8</anchor-external></p><p><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="9" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[9]</anchor-end> <cite xml:lang="en">Editorial: nested browsing context is a member, not a type</cite>
(<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">annevk</anchor>, <time>2019-11-27 02:46:03 +09:00</time>, <time>2022-01-18T09:38:43.000Z</time>)
<anchor-external xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resScheme="URI" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resParameter="https://github.com/whatwg/html/commit/6b737bbc428facf34ec3728c0912cf9e172d0ea4">https://github.com/whatwg/html/commit/6b737bbc428facf34ec3728c0912cf9e172d0ea4</anchor-external></p></section></body></html>