<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="415" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[415]</anchor-end> <dfn><code class="HTTP"><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">403</anchor></code></dfn> (<dfn><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">Forbidden</anchor></dfn>) は、<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">要求</anchor>の処理が禁止されている
(アクセス権限がないと判断された) ことを表す<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">状態符号</anchor>です。</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="407" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[407]</anchor-end> <strong><cite xml:lang="en">RFC 7231 - Hypertext Transfer Protocol (HTTP/1.1): Semantics and Content</cite> (<time>2014-08-07 05:54:02 +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://tools.ietf.org/html/rfc7231#section-6.5.3">https://tools.ietf.org/html/rfc7231#section-6.5.3</anchor-external></strong></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">RFC 7235 - Hypertext Transfer Protocol (HTTP/1.1): Authentication</cite> (<time>2014-09-11 10:01:28 +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://tools.ietf.org/html/rfc7235#section-2.1">https://tools.ietf.org/html/rfc7235#section-2.1</anchor-external></li><li><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="16" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[16]</anchor-end> <cite xml:lang="en">RFC 4918 - HTTP Extensions for Web Distributed Authoring and Versioning (WebDAV)</cite> (<time>2014-09-21 17:04:59 +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="http://tools.ietf.org/html/rfc4918#section-9.1">http://tools.ietf.org/html/rfc4918#section-9.1</anchor-external></li><li><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="18" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[18]</anchor-end> <cite xml:lang="en">RFC 4918 - HTTP Extensions for Web Distributed Authoring and Versioning (WebDAV)</cite> (<time>2014-09-21 17:04:59 +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="http://tools.ietf.org/html/rfc4918#section-9.2">http://tools.ietf.org/html/rfc4918#section-9.2</anchor-external></li><li><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="22" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[22]</anchor-end> <cite xml:lang="en">RFC 4918 - HTTP Extensions for Web Distributed Authoring and Versioning (WebDAV)</cite> (<time>2014-09-21 17:04:59 +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="http://tools.ietf.org/html/rfc4918#section-9.3">http://tools.ietf.org/html/rfc4918#section-9.3</anchor-external></li><li><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="25" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[25]</anchor-end> <cite xml:lang="en">RFC 4918 - HTTP Extensions for Web Distributed Authoring and Versioning (WebDAV)</cite> (<time>2014-09-21 17:04:59 +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="http://tools.ietf.org/html/rfc4918#section-9.8">http://tools.ietf.org/html/rfc4918#section-9.8</anchor-external></li><li><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="27" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[27]</anchor-end> <cite xml:lang="en">RFC 4918 - HTTP Extensions for Web Distributed Authoring and Versioning (WebDAV)</cite> (<time>2014-09-21 17:04:59 +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="http://tools.ietf.org/html/rfc4918#section-9.9">http://tools.ietf.org/html/rfc4918#section-9.9</anchor-external></li><li><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="28" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[28]</anchor-end> <cite xml:lang="en">RFC 4918 - HTTP Extensions for Web Distributed Authoring and Versioning (WebDAV)</cite> (<time>2014-09-21 17:04:59 +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="http://tools.ietf.org/html/rfc4918#section-9.11">http://tools.ietf.org/html/rfc4918#section-9.11</anchor-external></li><li><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> <cite xml:lang="en">RFC 4918 - HTTP Extensions for Web Distributed Authoring and Versioning (WebDAV)</cite> (<time>2014-09-21 17:04:59 +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="http://tools.ietf.org/html/rfc4918#section-14.5">http://tools.ietf.org/html/rfc4918#section-14.5</anchor-external></li><li><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">RFC 4918 - HTTP Extensions for Web Distributed Authoring and Versioning (WebDAV)</cite> (<time>2014-09-21 17:04:59 +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="http://tools.ietf.org/html/rfc4918#section-16">http://tools.ietf.org/html/rfc4918#section-16</anchor-external></li><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">RFC 4918 - HTTP Extensions for Web Distributed Authoring and Versioning (WebDAV)</cite> (<time>2014-09-21 17:04:59 +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="http://tools.ietf.org/html/rfc4918#section-16">http://tools.ietf.org/html/rfc4918#section-16</anchor-external></li><li><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="14" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[14]</anchor-end> <cite xml:lang="en">RFC 4918 - HTTP Extensions for Web Distributed Authoring and Versioning (WebDAV)</cite> (<time>2014-09-21 17:04:59 +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="http://tools.ietf.org/html/rfc4918#page-100">http://tools.ietf.org/html/rfc4918#page-100</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">RFC 7168 - The Hyper Text Coffee Pot Control Protocol for Tea Efflux Appliances (HTCPCP-TEA)</cite> (<time>2014-10-12 17:41:43 +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="http://tools.ietf.org/html/rfc7168#section-2.3.2">http://tools.ietf.org/html/rfc7168#section-2.3.2</anchor-external></li></ul></refs></section><section><h1>意味</h1><p><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="409" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[409]</anchor-end> <code class="HTTP"><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">403</anchor></code> は、<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">鯖</anchor>が<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">要求</anchor>を理解したものの、
それに<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">権限</anchor>を与えることを拒絶したことを示します <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="407" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">&gt;&gt;407</anchor-internal></src>。</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> 常に失敗するので反復するべきでないことを暗示しています <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="8" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">&gt;&gt;8</anchor-internal></src>。</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="10" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[10]</anchor-end> 修正して反復すれば成功するかもしれない時は <code xmlns="http://www.w3.org/1999/xhtml" class="HTTP"><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">409</anchor></code>
を使えます <src><anchor-internal xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="8" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">&gt;&gt;8</anchor-internal></src>。</comment-p></section><section><h1>構文</h1><p><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="410" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[410]</anchor-end> <anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">鯖</anchor>は、<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">要求</anchor>が禁止された理由を公開したい場合は、
その理由を <anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">payload</anchor> で説明できます <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="407" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">&gt;&gt;407</anchor-internal></src>。</p><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:">payload body</anchor> には <code class="URI" xml:lang="en"><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">DAV:</anchor></code> <anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">名前空間</anchor>の
<code class="XMLe" xml:lang="en"><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">error</anchor></code> <anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">要素</anchor>を使うことができます <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="6" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">&gt;&gt;6</anchor-internal></src>。</p><p><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="12" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[12]</anchor-end> <anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">WebDAV</anchor> <anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">鯖</anchor>は、適切な<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">事前条件符号</anchor>や<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">事後条件符号</anchor>があれば
<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">XML</anchor> を返す<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:"><strong xmlns="http://www.w3.org/1999/xhtml">べきです</strong></anchor>。それ以外のエラーでは空の <anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">payload body</anchor>
を返しても構いませんし、独自の<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">要素</anchor>を使ってエラーを表しても構いません。 <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><p><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="13" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[13]</anchor-end> 次の<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">事前条件符号</anchor>や<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">事後条件符号</anchor>があります。<figure class="short list"><ul><li><code class="XMLe" xml:lang="en"><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">no-external-entities</anchor></code></li><li><code class="XMLe" xml:lang="en"><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">propfind-finite-depth</anchor></code></li><li><code class="XMLe" xml:lang="en"><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">cannot-modify-protected-property</anchor></code></li></ul></figure></p></section><section><h1>文脈</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> <anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">鯖</anchor>は、<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">要求</anchor>に妥当な <anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">credentials</anchor> が含まれていて、
なお適切なアクセス権を有しない場合には、
<code class="HTTP"><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">403</anchor></code> <anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">応答</anchor>を返す<rubyb xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">べき<rt xmlns="http://www.w3.org/1999/xhtml" xml:lang="en">ought to</rt></rubyb>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="1" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">&gt;&gt;1</anchor-internal></src>。</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="3" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[3]</anchor-end> 非妥当な <anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">credentials</anchor> (誤った<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">パスワード</anchor>など) が含まれている時や、
<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">credentials</anchor> が含まれていない時には、 <code xmlns="http://www.w3.org/1999/xhtml" class="HTTP"><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">401</anchor></code> や
<code xmlns="http://www.w3.org/1999/xhtml" class="HTTP"><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">407</anchor></code> を使うべきです。</comment-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> <anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">HTCPCP-TEA</anchor> において <code class="HTTP" xml:lang="en"><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">Accept-Additions:</anchor></code>
<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">ヘッダー</anchor>で指定された添加物の組み合わせが不適切とみなされる時は、
<code class="HTTP"><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">403</anchor></code> <anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">応答</anchor>を返すことができます <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="4" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">&gt;&gt;4</anchor-internal></src>。</p><p><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="15" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[15]</anchor-end> <anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">要求</anchor>の <anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">payload body</anchor> に <anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">XML</anchor> <anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">外部実体参照</anchor>が含まれており、
<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">鯖</anchor>がこれを拒否したい時は、 <code class="HTTP"><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">403</anchor></code> <anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">状態符号</anchor>と
<code class="XMLe" xml:lang="en"><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">no-external-entities</anchor></code> <anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">事前条件符号</anchor>を使うことができます <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="14" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">&gt;&gt;14</anchor-internal></src>。</p><comment-p xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:10:"><code xmlns="http://www.w3.org/1999/xhtml" class="HTTP"><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">422</anchor></code> では無いようです。</comment-p><p><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="17" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[17]</anchor-end> <code class="HTTP" xml:lang="en"><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">PROPFIND</anchor></code> <anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">要求</anchor>が <code class="HTTP" xml:lang="en"><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">Depth:</anchor> <anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">infinity</anchor></code>
となっており、これに対応していない時は、 <code class="HTTP"><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">403</anchor></code>
<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">応答</anchor>で<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">事前条件符号</anchor> <code class="XMLe" xml:lang="en"><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">propfind-finite-depth</anchor></code>
を返す<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:"><strong xmlns="http://www.w3.org/1999/xhtml">べきです</strong></anchor> <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="16" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">&gt;&gt;16</anchor-internal></src>。</p><p><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="21" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[21]</anchor-end> <code class="HTTP" xml:lang="en"><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">PROPFIND</anchor></code> <anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">要求</anchor>に対する <code class="HTTP"><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">207</anchor></code>
<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">応答</anchor>内の <code class="XMLe" xml:lang="en"><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">status</anchor></code> <anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">要素</anchor>では、
<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">認証</anchor>によらず<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">特性</anchor>を表示できないことを表すために使うことができます <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="16" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">&gt;&gt;16</anchor-internal></src>。</p><p><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="20" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[20]</anchor-end> <code class="HTTP" xml:lang="en"><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">PROPPATCH</anchor></code> <anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">要求</anchor>に対する <code class="HTTP"><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">207</anchor></code>
<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">応答</anchor>内の <code class="XMLe" xml:lang="en"><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">status</anchor></code> <anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">要素</anchor>では、
何らかの理由での変更の拒否を表すために使うことができます <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="18" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">&gt;&gt;18</anchor-internal></src>。</p><p><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="19" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[19]</anchor-end> <code class="HTTP" xml:lang="en"><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">PROPPATCH</anchor></code> <anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">要求</anchor>によって<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">保護特性</anchor>を変更しようとした時は、
<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">状態符号</anchor> <code class="HTTP"><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">403</anchor></code> と<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">事前条件符号</anchor>
<code class="XMLe" xml:lang="en"><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">cannot-modify-protected-property</anchor></code> を使う<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:"><strong xmlns="http://www.w3.org/1999/xhtml">べきです</strong></anchor> <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="18" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">&gt;&gt;18</anchor-internal></src>。</p><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> <code class="HTTP" xml:lang="en"><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">MKCOL</anchor></code> <anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">要求</anchor>で指定された <anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">URL</anchor>
に<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">コレクション</anchor>を作れない時や親となる<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">コレクション</anchor>が追加を受け付けていない時は、
<code class="HTTP"><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">403</anchor></code> <anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">応答</anchor>を返します <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="22" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">&gt;&gt;22</anchor-internal></src>。</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="24" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[24]</anchor-end> 親となる<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">コレクション</anchor>が存在しない時は <code xmlns="http://www.w3.org/1999/xhtml" class="HTTP"><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">409</anchor></code>
<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">応答</anchor>が使われます。</comment-p><p><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="26" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[26]</anchor-end> <code class="HTTP" xml:lang="en"><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">COPY</anchor></code> <anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">要求</anchor> <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="25" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">&gt;&gt;25</anchor-internal></src> や
<code class="HTTP" xml:lang="en"><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">MOVE</anchor></code> <anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">要求</anchor> <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="27" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">&gt;&gt;27</anchor-internal></src> の始点と終点が同じ<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">資源</anchor>の時、
<code class="HTTP"><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">403</anchor></code> <anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">応答</anchor>を返すことができます。</p><p><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="29" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[29]</anchor-end> <code class="HTTP" xml:lang="en"><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">UNLOCK</anchor></code> <anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">要求</anchor>によって<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">ロック</anchor>を破棄する権限が無い場合、
<code class="HTTP"><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">403</anchor></code> <anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">応答</anchor>を返すことができます <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="28" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">&gt;&gt;28</anchor-internal></src>。</p></section><section><h1>処理</h1><p><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="411" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[411]</anchor-end> <anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">要求</anchor>に <anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">credentials</anchor> が含まれていた場合は、
<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">鯖</anchor>がアクセスを認めるのには不十分と判断したことを示していますから、
<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">クライアント</anchor>は同じ <anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">credentials</anchor> で<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">要求</anchor>を繰り返す<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:"><strong xmlns="http://www.w3.org/1999/xhtml">べきではありません</strong></anchor> 
<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="407" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">&gt;&gt;407</anchor-internal></src>。</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="412" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[412]</anchor-end> <anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">クライアント</anchor>は別の <anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">credentials</anchor> で<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">要求</anchor>を繰り返しても構いません。
ただし禁止されたのは <anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">credentials</anchor> 以外の理由かもしれません。 <src><anchor-internal xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="407" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">&gt;&gt;407</anchor-internal></src></comment-p></section><section><h1>歴史</h1><figure class="quote"><figcaption><p><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="408" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[408]</anchor-end> RFC 1945 (HTTP/1.0); RFC 2068 &amp; 2616 (HTTP/1.1) 10.4.4 403 Forbidden</p></figcaption><blockquote><p>The server understood the request, but is refusing to fulfill it. Authorization will not help and the request <del><ins>{1945}</ins> should not</del> <ins>SHOULD NOT</ins>
be repeated. If the request method was not HEAD and the server wishes to make
public why the request has not been fulfilled, 
it <del><ins>{1945}</ins> should</del> <ins>SHOULD</ins> describe the reason for the refusal in the entity <del>body</del>. <del><ins>{1945,2068}</ins> This status code is commonly used when the server does not wish to reveal exactly why the request has been refused, or when no other response is applicable.</del> <ins><ins>{2616}</ins> If the server does not wish to make this information available to the client, the status code 404 (Not Found) can be used instead.</ins></p></blockquote><p>サーバーは要求を理解しましたが、これを満たすことを拒否しています。
認証は助けとならず、要求を繰り返す<strong>べきではありません</strong>。
要求 method が <code class="HTTP"><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">HEAD</anchor></code> ではなく、
サーバーがなぜ要求が満たされなかったのかを公表したいと思うのであれば、
応答の実体<del>本体</del>において拒否の理由を説明する<strong>べきです</strong>。 <del>この状態符号は、サーバーが要求を拒否した実際の理由を晒したくないと思っている時や他の適当な応答がないときに広く使われています。</del> <ins>サーバーがこの情報をクライアントに知らせたくないと思うときは、代わりに状態符号 <code class="HTTP">404</code> (見つかりません) を使うことができます。</ins></p></figure><p><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="405" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[405]</anchor-end> <cite xml:lang="en">RFC 7168 - The Hyper Text Coffee Pot Control Protocol for Tea Efflux Appliances (HTCPCP-TEA)</cite>
( (<time>2014-04-02 07:55:01 +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="http://tools.ietf.org/html/rfc7168#section-2.3.2">http://tools.ietf.org/html/rfc7168#section-2.3.2</anchor-external></p><p><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="406" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[406]</anchor-end> <cite xml:lang="en">RFC 7252 - The Constrained Application Protocol (CoAP)</cite>
( (<time>2014-06-27 00:59:37 +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="http://tools.ietf.org/html/rfc7252#section-5.9.2.4">http://tools.ietf.org/html/rfc7252#section-5.9.2.4</anchor-external></p></section><section><h1>関連</h1><p><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="413" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[413]</anchor-end> <anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">起源鯖</anchor>は、<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">対象資源</anchor>の存在をも隠したいときは、
<code class="HTTP"><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">403</anchor></code> ではなく <code class="HTTP"><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">404</anchor></code> を使っても構いません <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="407" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">&gt;&gt;407</anchor-internal></src>。</p><p><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="414" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[414]</anchor-end> 禁止の理由が <anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">credentials</anchor> が正しくないこと、あるいは <anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">credentials</anchor>
が与えられていないことの場合は、 <code class="HTTP"><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">401</anchor></code> を使うことができます。</p><figure class="quote"><figcaption><p><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="30" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[30]</anchor-end> <cite xml:lang="ja">IIJmioクーポンスイッチAPI | クーポンについて | IIJmio</cite>
(<time>2016-01-23 10:48:14 +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://www.iijmio.jp/hdd/coupon/mioponapi.jsp">https://www.iijmio.jp/hdd/coupon/mioponapi.jsp</anchor-external></p></figcaption><blockquote><p>403	X-IIJmio-Authorization is not found	X-IIJmio-Authorization ヘッダが指定されていなかった</p><p>403	X-IIJmio-Developer is not found	X-IIJmio-Developer ヘッダが指定されていなかった</p><p>403	Your application is not registered	X-IIJmio-Developer ヘッダに指定されたデベロッパIDが登録されていなかった(間違っている)</p><p>403	User Authorization Failure	X-IIJmio-Authorization ヘッダに指定されたアクセストークンでの認証ができなかった(再認証が必要)</p></blockquote></figure><figure class="quote"><figcaption><p><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="31" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[31]</anchor-end> <cite>JSON Mail Access Protocol Specification (JMAP)</cite>
(<time>2016-03-11 14:55:42 +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="http://jmap.io/spec.html">http://jmap.io/spec.html</anchor-external></p></figcaption><blockquote><p>403: Restart authentication</p><p>The Authorization header was missing or did not contain a valid token. Reauthenticate and then retry the request. There is no content in the response.</p></blockquote></figure></section></body></html>