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<title>[42007] trunk/src: Docs: Improve the docs for `validate_file()` and `validate_file_to_edit()`.</title>
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<dt style="float: left; width: 6em; font-weight: bold">Revision</dt> <dd><a style="font-weight: bold" href="https://core.trac.wordpress.org/changeset/42007">42007</a><script type="application/ld+json">{"@context":"http://schema.org","@type":"EmailMessage","description":"Review this Commit","action":{"@type":"ViewAction","url":"https://core.trac.wordpress.org/changeset/42007","name":"Review Commit"}}</script></dd>
<dt style="float: left; width: 6em; font-weight: bold">Author</dt> <dd>johnbillion</dd>
<dt style="float: left; width: 6em; font-weight: bold">Date</dt> <dd>2017-10-24 22:49:13 +0000 (Tue, 24 Oct 2017)</dd>
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<pre style='padding-left: 1em; margin: 2em 0; border-left: 2px solid #ccc; line-height: 1.25; font-size: 105%; font-family: sans-serif'>Docs: Improve the docs for `validate_file()` and `validate_file_to_edit()`.
See <a href="https://core.trac.wordpress.org/ticket/42016">#42016</a>, <a href="https://core.trac.wordpress.org/ticket/36170">#36170</a>, <a href="https://core.trac.wordpress.org/ticket/41017">#41017</a></pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#trunksrcwpadminincludesfilephp">trunk/src/wp-admin/includes/file.php</a></li>
<li><a href="#trunksrcwpincludesfunctionsphp">trunk/src/wp-includes/functions.php</a></li>
</ul>
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<h3>Diff</h3>
<a id="trunksrcwpadminincludesfilephp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: trunk/src/wp-admin/includes/file.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/src/wp-admin/includes/file.php 2017-10-24 22:46:27 UTC (rev 42006)
+++ trunk/src/wp-admin/includes/file.php 2017-10-24 22:49:13 UTC (rev 42007)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -653,14 +653,14 @@
</span><span class="cx" style="display: block; padding: 0 10px"> }
</span><span class="cx" style="display: block; padding: 0 10px">
</span><span class="cx" style="display: block; padding: 0 10px"> /**
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- * Make sure that the file that was requested to edit, is allowed to be edited
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ * Makes sure that the file that was requested to be edited is allowed to be edited.
</ins><span class="cx" style="display: block; padding: 0 10px"> *
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- * Function will die if you are not allowed to edit the file
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ * Function will die if you are not allowed to edit the file.
</ins><span class="cx" style="display: block; padding: 0 10px"> *
</span><span class="cx" style="display: block; padding: 0 10px"> * @since 1.5.0
</span><span class="cx" style="display: block; padding: 0 10px"> *
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- * @param string $file file the users is attempting to edit
- * @param array $allowed_files Array of allowed files to edit, $file must match an entry exactly
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ * @param string $file File the user is attempting to edit.
+ * @param array $allowed_files Optional. Array of allowed files to edit, $file must match an entry exactly.
</ins><span class="cx" style="display: block; padding: 0 10px"> * @return string|null
</span><span class="cx" style="display: block; padding: 0 10px"> */
</span><span class="cx" style="display: block; padding: 0 10px"> function validate_file_to_edit( $file, $allowed_files = '' ) {
</span></span></pre></div>
<a id="trunksrcwpincludesfunctionsphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: trunk/src/wp-includes/functions.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/src/wp-includes/functions.php 2017-10-24 22:46:27 UTC (rev 42006)
+++ trunk/src/wp-includes/functions.php 2017-10-24 22:49:13 UTC (rev 42007)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -4238,17 +4238,18 @@
</span><span class="cx" style="display: block; padding: 0 10px"> }
</span><span class="cx" style="display: block; padding: 0 10px">
</span><span class="cx" style="display: block; padding: 0 10px"> /**
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- * File validates against allowed set of defined rules.
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ * Validates a file name and path against an allowed set of rules.
</ins><span class="cx" style="display: block; padding: 0 10px"> *
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- * A return value of '1' means that the $file contains either '..' or './'. A
- * return value of '2' means that the $file contains ':' after the first
- * character. A return value of '3' means that the file is not in the allowed
- * files list.
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ * A return value of `1` means the file path contains directory traversal.
</ins><span class="cx" style="display: block; padding: 0 10px"> *
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ * A return value of `2` means the file path contains a Windows drive path.
+ *
+ * A return value of `3` means the file is not in the allowed files list.
+ *
</ins><span class="cx" style="display: block; padding: 0 10px"> * @since 1.2.0
</span><span class="cx" style="display: block; padding: 0 10px"> *
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- * @param string $file File path.
- * @param array $allowed_files List of allowed files.
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ * @param string $file File path.
+ * @param array $allowed_files Optional. List of allowed files.
</ins><span class="cx" style="display: block; padding: 0 10px"> * @return int 0 means nothing is wrong, greater than 0 means something was wrong.
</span><span class="cx" style="display: block; padding: 0 10px"> */
</span><span class="cx" style="display: block; padding: 0 10px"> function validate_file( $file, $allowed_files = '' ) {
</span></span></pre>
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