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Add nonce for updating file system credentials.

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git-svn-id: https://develop.svn.wordpress.org/trunk@40723 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Aaron D. Campbell
2017-05-16 14:47:08 +00:00
parent fe789a2644
commit 96c3a01019
2 changed files with 28 additions and 9 deletions
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33
src/wp-admin/includes/file.php
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@@ -1091,14 +1091,28 @@ function request_filesystem_credentials( $form_post, $type = '', $error = false,
$credentials = get_option('ftp_credentials', array( 'hostname' => '', 'username' => ''));
$submitted_form = wp_unslash( $_POST );
// Verify nonce, or unset submitted form field values on failure
if ( ! isset( $_POST['_fs_nonce'] ) || ! wp_verify_nonce( $_POST['_fs_nonce'], 'filesystem-credentials' ) ) {
unset(
$submitted_form['hostname'],
$submitted_form['username'],
$submitted_form['password'],
$submitted_form['public_key'],
$submitted_form['private_key'],
$submitted_form['connection_type']
);
}
// If defined, set it to that, Else, If POST'd, set it to that, If not, Set it to whatever it previously was(saved details in option)
$credentials['hostname'] = defined('FTP_HOST') ? FTP_HOST : (!empty($_POST['hostname']) ? wp_unslash( $_POST['hostname'] ) : $credentials['hostname']);
$credentials['username'] = defined('FTP_USER') ? FTP_USER : (!empty($_POST['username']) ? wp_unslash( $_POST['username'] ) : $credentials['username']);
$credentials['password'] = defined('FTP_PASS') ? FTP_PASS : (!empty($_POST['password']) ? wp_unslash( $_POST['password'] ) : '');
$credentials['hostname'] = defined('FTP_HOST') ? FTP_HOST : (!empty($submitted_form['hostname']) ? $submitted_form['hostname'] : $credentials['hostname']);
$credentials['username'] = defined('FTP_USER') ? FTP_USER : (!empty($submitted_form['username']) ? $submitted_form['username'] : $credentials['username']);
$credentials['password'] = defined('FTP_PASS') ? FTP_PASS : (!empty($submitted_form['password']) ? $submitted_form['password'] : '');
// Check to see if we are setting the public/private keys for ssh
$credentials['public_key'] = defined('FTP_PUBKEY') ? FTP_PUBKEY : (!empty($_POST['public_key']) ? wp_unslash( $_POST['public_key'] ) : '');
$credentials['private_key'] = defined('FTP_PRIKEY') ? FTP_PRIKEY : (!empty($_POST['private_key']) ? wp_unslash( $_POST['private_key'] ) : '');
$credentials['public_key'] = defined('FTP_PUBKEY') ? FTP_PUBKEY : (!empty($submitted_form['public_key']) ? $submitted_form['public_key'] : '');
$credentials['private_key'] = defined('FTP_PRIKEY') ? FTP_PRIKEY : (!empty($submitted_form['private_key']) ? $submitted_form['private_key'] : '');
// Sanitize the hostname, Some people might pass in odd-data:
$credentials['hostname'] = preg_replace('|\w+://|', '', $credentials['hostname']); //Strip any schemes off
@@ -1115,8 +1129,8 @@ function request_filesystem_credentials( $form_post, $type = '', $error = false,
$credentials['connection_type'] = 'ssh';
} elseif ( ( defined( 'FTP_SSL' ) && FTP_SSL ) && 'ftpext' == $type ) { //Only the FTP Extension understands SSL
$credentials['connection_type'] = 'ftps';
} elseif ( ! empty( $_POST['connection_type'] ) ) {
$credentials['connection_type'] = wp_unslash( $_POST['connection_type'] );
} elseif ( ! empty( $submitted_form['connection_type'] ) ) {
$credentials['connection_type'] = $submitted_form['connection_type'];
} elseif ( ! isset( $credentials['connection_type'] ) ) { //All else fails (And it's not defaulted to something else saved), Default to FTP
$credentials['connection_type'] = 'ftp';
}
@@ -1255,11 +1269,12 @@ if ( isset( $types['ssh'] ) ) {
}
foreach ( (array) $extra_fields as $field ) {
if ( isset( $_POST[ $field ] ) )
echo '<input type="hidden" name="' . esc_attr( $field ) . '" value="' . esc_attr( wp_unslash( $_POST[ $field ] ) ) . '" />';
if ( isset( $submitted_form[ $field ] ) )
echo '<input type="hidden" name="' . esc_attr( $field ) . '" value="' . esc_attr( $submitted_form[ $field ] ) . '" />';
}
?>
<p class="request-filesystem-credentials-action-buttons">
<?php wp_nonce_field( 'filesystem-credentials', '_fs_nonce', false, true ); ?>
<button class="button cancel-button" data-js-action="close" type="button"><?php _e( 'Cancel' ); ?></button>
<?php submit_button( __( 'Proceed' ), '', 'upgrade', false ); ?>
</p>