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<title>[10367] sites/trunk/wordpress.org/public_html/wp-content/plugins/trac-notifications/trac-notifications-db.php: Trac: API: Add an internal API to rename a user on a Trac instance (ie.</title>
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<dt style="float: left; width: 6em; font-weight: bold">Revision</dt> <dd><a style="font-weight: bold" href="http://meta.trac.wordpress.org/changeset/10367">10367</a><script type="application/ld+json">{"@context":"http://schema.org","@type":"EmailMessage","description":"Review this Commit","action":{"@type":"ViewAction","url":"http://meta.trac.wordpress.org/changeset/10367","name":"Review Commit"}}</script></dd>
<dt style="float: left; width: 6em; font-weight: bold">Author</dt> <dd>dd32</dd>
<dt style="float: left; width: 6em; font-weight: bold">Date</dt> <dd>2020-10-13 01:50:10 +0000 (Tue, 13 Oct 2020)</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'>Trac: API: Add an internal API to rename a user on a Trac instance (ie. `johnsmith` to `johndoe`) and an anonymization method for GDPR purposes (eg. `johnsmith` to `Anonymous 123`).
Work in progress.</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#sitestrunkwordpressorgpublic_htmlwpcontentpluginstracnotificationstracnotificationsdbphp">sites/trunk/wordpress.org/public_html/wp-content/plugins/trac-notifications/trac-notifications-db.php</a></li>
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<h3>Diff</h3>
<a id="sitestrunkwordpressorgpublic_htmlwpcontentpluginstracnotificationstracnotificationsdbphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: sites/trunk/wordpress.org/public_html/wp-content/plugins/trac-notifications/trac-notifications-db.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- sites/trunk/wordpress.org/public_html/wp-content/plugins/trac-notifications/trac-notifications-db.php 2020-10-12 22:18:46 UTC (rev 10366)
+++ sites/trunk/wordpress.org/public_html/wp-content/plugins/trac-notifications/trac-notifications-db.php 2020-10-13 01:50:10 UTC (rev 10367)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -226,4 +226,143 @@
</span><span class="cx" style="display: block; padding: 0 10px"> 'comments',
</span><span class="cx" style="display: block; padding: 0 10px"> );
</span><span class="cx" style="display: block; padding: 0 10px"> }
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+
+ /**
+ * Anonymize a user on Trac.
+ * - Switches their tickets, comments, and attachments to be owned by $to
+ * - Removes Subscriptions & notification prefs
+ * - Removes user Trac preferences
+ *
+ * @param string $from The user login of the user to anonymize.
+ * @param string $to The new user login placeholder for the user, must be unique.
+ */
+ function anonymize_user( $from, $to ) {
+ $from = trim( $from );
+ $to = trim( $to );
+
+ if ( empty( $from ) || empty( $to ) ) {
+ return false;
+ }
+
+ // Perform rename
+ if ( ! $this->rename_user( $from, $to ) ) {
+ return false;
+ }
+
+ // Remove Trac sessions & preferences
+ $this->db->delete( 'session', array( 'sid' => $from ) );
+ $this->db->delete( 'session', array( 'sid' => $to ) );
+ $this->db->delete( 'session_attribute', array( 'sid' => $from ) );
+ $this->db->delete( 'session_attribute', array( 'sid' => $to ) );
+
+ // Remove Authentication cookies (May not be applicable to WordPress.org trac)
+ $this->db->delete( 'auth_cookie', array( 'name' => $from ) );
+ $this->db->delete( 'auth_cookie', array( 'name' => $to ) );
+
+ // Remove any Trac notification & subscription settings (May not be applicable to WordPress.org trac)
+ $this->db->delete( 'notify_watch', array( 'sid' => $from ) );
+ $this->db->delete( 'notify_watch', array( 'sid' => $to ) );
+ $this->db->delete( 'notify_subscription', array( 'sid' => $from ) );
+ $this->db->delete( 'notify_subscription', array( 'sid' => $to ) );
+
+ // Remove subscriptions and notifications (Should all be owned by $to, but do $from just in case)
+ $this->db->delete( '_ticket_subs', array( 'username' => $from ) );
+ $this->db->delete( '_ticket_subs', array( 'username' => $to ) );
+ $this->db->delete( '_notifications', array( 'username' => $from ) );
+ $this->db->delete( '_notifications', array( 'username' => $to ) );
+
+ return true;
+ }
+
+ /**
+ * Rename a user on Trac, can be used for username migrations and GDPR anonymization needs.
+ *
+ * @param string $from The user login of the user to rename.
+ * @param string $to The new user login that the items owned by $from will be reauthored to.
+ */
+ function rename_user( $from, $to ) {
+ $from = trim( $from );
+ $to = trim( $to );
+
+ // Prevent data issues by ensuring that both are supplied.
+ if ( empty( $from ) || empty( $to ) ) {
+ return false;
+ }
+
+ // If the user has (or will have) specific permissions on the trac instance, bail.
+ if ( $this->db->get_var( $wpdb->prepare(
+ "SELECT action FROM permission WHERE username IN( %s, %s )",
+ $from,
+ $to
+ ) ) ) {
+ return false;
+ }
+
+ // Trac Sessions & Prefs
+ $this->db->get_var( $this->db->prepare(
+ "UPDATE session SET sid = %s WHERE sid = %s",
+ $to,
+ $from
+ ) );
+ $this->db->get_var( $this->db->prepare(
+ "UPDATE auth_cookie SET name = %s WHERE name = %s",
+ $to,
+ $from
+ ) );
+ $this->db->get_var( $this->db->prepare(
+ "UPDATE session_attribute SET sid = %s WHERE sid = %s",
+ $to,
+ $from
+ ) );
+
+ // Tickets, Attachments, and Comments.
+ $this->db->get_var( $this->db->prepare(
+ "UPDATE ticket SET reporter = %s WHERE reporter = %s",
+ $to,
+ $from
+ ) );
+
+ $this->db->get_var( $this->db->prepare(
+ "UPDATE ticket SET owner = %s WHERE owner = %s",
+ $to,
+ $from
+ ) );
+
+ $this->db->get_var( $this->db->prepare(
+ "UPDATE attachment SET author = %s WHERE author = %s",
+ $to,
+ $from
+ ) );
+
+ $this->db->get_var( $this->db->prepare(
+ "UPDATE ticket_change SET author = %s WHERE author = %s",
+ $to,
+ $from
+ ) );
+
+ $this->db->get_var( $this->db->prepare(
+ "UPDATE wiki SET author = %s WHERE author = %s",
+ $to,
+ $from
+ ) );
+
+ // WordPress.org Subscriptions and notifications.
+ $this->db->get_var( $this->db->prepare(
+ "UPDATE _ticket_subs SET username = %s WHERE username = %s",
+ $to,
+ $from
+ ) );
+
+ $this->db->get_var( $this->db->prepare(
+ "UPDATE _notifications SET username = %s WHERE username = %s",
+ $to,
+ $from
+ ) );
+
+ // DO NOT update the following tables:
+ // - revision (SVN "cache")
+ // - permission (Trac permissions)
+
+ return true;
+ }
</ins><span class="cx" style="display: block; padding: 0 10px"> }
</span></span></pre>
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