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Upgrader: Perform a MD5 file verification check on the files during upgrade. This ensures that both a Partial upgrade build can be used, and that all the files were copied into place correctly.

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Props pento for initial patch. Fixes #18201


git-svn-id: https://develop.svn.wordpress.org/trunk@25540 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Dion Hulse
2013-09-21 06:48:20 +00:00
parent 38ef3b8f63
commit eb3bee3ba5
4 changed files with 159 additions and 26 deletions
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src/wp-admin/includes/update.php
+62
View File
@@ -87,6 +87,68 @@ function find_core_auto_update() {
return $auto_update;
}
/**
* Gets and caches the checksums for the given versions of WordPress
*
* @since 3.7.0
*
* @param $version string|array A single version, or an array of versions to fetch
*
* @return bool|array False on failure, otherwise the array of checksums, keyed by version
*/
function get_core_checksums( $version ) {
if ( ! is_array( $version ) )
$version = array( $version );
$return = array();
// Check to see if we have cached copies available, if we do, no need to request them
foreach ( $version as $i => $v ) {
if ( $checksums = get_site_transient( "core_checksums_$v" ) ) {
unset( $version[ $i ] );
$return[ $v ] = $checksums;
}
}
// We had cached copies for all of the versions!
if ( empty( $version ) )
return $return;
$url = 'http://api.wordpress.org/core/checksums/1.0/?' . http_build_query( array( 'version' => $version ), null, '&' );
if ( wp_http_supports( array( 'ssl' ) ) )
$url = set_url_scheme( $url, 'https' );
$options = array(
'timeout' => ( ( defined('DOING_CRON') && DOING_CRON ) ? 30 : 3 ),
);
$response = wp_remote_get( $url, $options );
if ( is_wp_error( $response ) || 200 != wp_remote_retrieve_response_code( $response ) )
return false;
$body = trim( wp_remote_retrieve_body( $response ) );
$body = json_decode( $body, true );
if ( ! is_array( $body ) || ! isset( $body['checksums'] ) || ! is_array( $body['checksums'] ) )
return false;
// Cache the checksums for later
foreach ( $version as $v ) {
set_site_transient( "core_checksums_$v", $body['checksums'][ $v ], HOUR_IN_SECONDS );
$return[ $v ] = $body['checksums'][ $v ];
}
// If the API didn't return anything for a version, explicitly set it's return value to false
foreach ( $return as $v => $r ) {
if ( empty( $r ) )
$return[ $v ] = false;
}
return $return;
}
function dismiss_core_update( $update ) {
$dismissed = get_site_option( 'dismissed_update_core' );
$dismissed[ $update->current . '|' . $update->locale ] = true;