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<title>[54816] branches/6.1/src/wp-admin/includes/class-wp-filesystem-ftpsockets.php: Filesystem: Return FTP/FTP Sockets `exists()` methods to a previous state.</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/54816">54816</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/54816","name":"Review Commit"}}</script></dd>
<dt style="float: left; width: 6em; font-weight: bold">Author</dt> <dd>desrosj</dd>
<dt style="float: left; width: 6em; font-weight: bold">Date</dt> <dd>2022-11-11 16:02:41 +0000 (Fri, 11 Nov 2022)</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'>Filesystem: Return FTP/FTP Sockets `exists()` methods to a previous state.
This partially reverts <a href="https://core.trac.wordpress.org/changeset/53860">[53860]</a> and <a href="https://core.trac.wordpress.org/changeset/53862">[53862]</a>, which refactored the `exists()` method to rely on `ftp_rawlist()` instead of `ftp_nlist()`.
<a href="https://core.trac.wordpress.org/changeset/53860">[53860]</a> makes a similar attempt to the ones made in <a href="https://core.trac.wordpress.org/changeset/33648">[33648]</a> and <a href="https://core.trac.wordpress.org/changeset/34733">[34733]</a> (which were also reverted in <a href="https://core.trac.wordpress.org/changeset/35944">[35944]</a>). Being compliant with the specifications while continuing to work without issue for all FTP servers continues seem impossible. These little ghosts are the ones we're scared of the most.
Props jsh4, afragen, costdev, pkolenbr, SergeyBiryukov, dd32, peterwilsoncc, gamecreature, desrosj.
Merges <a href="https://core.trac.wordpress.org/changeset/54815">[54815]</a> to the 6.1 branch.
Fixes <a href="https://core.trac.wordpress.org/ticket/56966">#56966</a>.
See <a href="https://core.trac.wordpress.org/ticket/51170">#51170</a>, <a href="https://core.trac.wordpress.org/ticket/28013">#28013</a>.</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#branches61srcwpadminincludesclasswpfilesystemftpextphp">branches/6.1/src/wp-admin/includes/class-wp-filesystem-ftpext.php</a></li>
<li><a href="#branches61srcwpadminincludesclasswpfilesystemftpsocketsphp">branches/6.1/src/wp-admin/includes/class-wp-filesystem-ftpsockets.php</a></li>
</ul>
<h3>Property Changed</h3>
<ul>
<li><a href="#branches61">branches/6.1/</a></li>
</ul>
</div>
<div id="patch">
<h3>Diff</h3>
<span class="cx" style="display: block; padding: 0 10px">Index: branches/6.1
</span><span class="cx" style="display: block; padding: 0 10px">===================================================================
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">--- branches/6.1 2022-11-11 15:53:19 UTC (rev 54815)
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+++ branches/6.1 2022-11-11 16:02:41 UTC (rev 54816)
</ins><a id="branches61"></a>
<div class="propset"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Property changes: branches/6.1</h4>
<pre class="diff"><span>
</span></pre></div>
<a id="svnmergeinfo"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: svn:mergeinfo</h4></div>
<span class="cx" style="display: block; padding: 0 10px"> /branches/5.0:43681-43682,43684-43688,43719-43720,43723,43726-43727,43729-43731,43734-43744,43747,43751-43754,43758,43760-43765,43767-43770,43772,43774-43781,43783,43785,43790-43806,43808-43821,43825,43828,43830-43834,43836-43843,43846-43863,43867-43889,43891-43894,43897-43905,43908-43909,43911-43929,43931-43942,43946-43947,43949-43956,43959-43964,43967-43969,43988,43994,44014,44017,44047,44183,44185,44187-44206,44208-44213,44231-44232,44235,44248,44284,44287-44288
</span><span class="cx" style="display: block; padding: 0 10px"> /branches/5.5:49373-49379,49381
</span><span class="cx" style="display: block; padding: 0 10px"> /branches/5.8:51889
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-/trunk:54645-54646,54649,54652,54660,54662,54669,54674,54678,54686,54690,54693,54698,54706,54724,54729-54730,54733,54741,54745,54751,54766,54768-54771,54774,54777,54782,54785-54789,54797,54799,54801-54804,54811,54813
</del><span class="cx" style="display: block; padding: 0 10px">\ No newline at end of property
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+/trunk:54645-54646,54649,54652,54660,54662,54669,54674,54678,54686,54690,54693,54698,54706,54724,54729-54730,54733,54741,54745,54751,54766,54768-54771,54774,54777,54782,54785-54789,54797,54799,54801-54804,54811,54813,54815
</ins><span class="cx" style="display: block; padding: 0 10px">\ No newline at end of property
</span><a id="branches61srcwpadminincludesclasswpfilesystemftpextphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: branches/6.1/src/wp-admin/includes/class-wp-filesystem-ftpext.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- branches/6.1/src/wp-admin/includes/class-wp-filesystem-ftpext.php 2022-11-11 15:53:19 UTC (rev 54815)
+++ branches/6.1/src/wp-admin/includes/class-wp-filesystem-ftpext.php 2022-11-11 16:02:41 UTC (rev 54816)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -412,18 +412,18 @@
</span><span class="cx" style="display: block; padding: 0 10px"> * Checks if a file or directory exists.
</span><span class="cx" style="display: block; padding: 0 10px"> *
</span><span class="cx" style="display: block; padding: 0 10px"> * @since 2.5.0
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- * @since 6.1.0 Uses WP_Filesystem_FTPext::is_dir() to check for directory existence
- * and ftp_rawlist() to check for file existence.
</del><span class="cx" style="display: block; padding: 0 10px"> *
</span><span class="cx" style="display: block; padding: 0 10px"> * @param string $path Path to file or directory.
</span><span class="cx" style="display: block; padding: 0 10px"> * @return bool Whether $path exists or not.
</span><span class="cx" style="display: block; padding: 0 10px"> */
</span><span class="cx" style="display: block; padding: 0 10px"> public function exists( $path ) {
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- if ( $this->is_dir( $path ) ) {
- return true;
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ $list = ftp_nlist( $this->link, $path );
+
+ if ( empty( $list ) && $this->is_dir( $path ) ) {
+ return true; // File is an empty directory.
</ins><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">- return ! empty( ftp_rawlist( $this->link, $path ) );
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ return ! empty( $list ); // Empty list = no file, so invert.
</ins><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></span></pre></div>
<a id="branches61srcwpadminincludesclasswpfilesystemftpsocketsphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: branches/6.1/src/wp-admin/includes/class-wp-filesystem-ftpsockets.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- branches/6.1/src/wp-admin/includes/class-wp-filesystem-ftpsockets.php 2022-11-11 15:53:19 UTC (rev 54815)
+++ branches/6.1/src/wp-admin/includes/class-wp-filesystem-ftpsockets.php 2022-11-11 16:02:41 UTC (rev 54816)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -414,18 +414,19 @@
</span><span class="cx" style="display: block; padding: 0 10px"> * Checks if a file or directory exists.
</span><span class="cx" style="display: block; padding: 0 10px"> *
</span><span class="cx" style="display: block; padding: 0 10px"> * @since 2.5.0
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- * @since 6.1.0 Uses WP_Filesystem_ftpsockets::is_dir() to check for directory existence
- * and file size to check for file existence.
</del><span class="cx" style="display: block; padding: 0 10px"> *
</span><span class="cx" style="display: block; padding: 0 10px"> * @param string $path Path to file or directory.
</span><span class="cx" style="display: block; padding: 0 10px"> * @return bool Whether $path exists or not.
</span><span class="cx" style="display: block; padding: 0 10px"> */
</span><span class="cx" style="display: block; padding: 0 10px"> public function exists( $path ) {
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- if ( $this->is_dir( $path ) ) {
- return true;
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ $list = $this->ftp->nlist( $path );
+
+ if ( empty( $list ) && $this->is_dir( $path ) ) {
+ return true; // File is an empty directory.
</ins><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">- return is_numeric( $this->size( $path ) );
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ return ! empty( $list ); // Empty list = no file, so invert.
+ // Return $this->ftp->is_exists($file); has issues with ABOR+426 responses on the ncFTPd server.
</ins><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></span></pre>
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