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Move clear_url_cache to a separate static function #1

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Move clear_url_cache to a separate static function #1

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62 changes: 33 additions & 29 deletions class-clear-url-cache.php
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Original file line number Diff line number Diff line change
Expand Up @@ -85,9 +85,17 @@ function load_tools_page(){

$url = esc_url( $_POST[ 'cached_url' ] );

// A lot of the following code is cribbed from
self::clear_url_cache( $url );

$this->set_admin_notice( "Issued a cache clearance for <var>$url</var>" );
wp_redirect( admin_url( '/tools.php?page=cftp_clear_url' ) );
exit;
}

public static function clear_url_cache( $url ) {
// A lot of the following code is cribbed from
// the WpeCommon::purge_varnish_cache method. A LOT.

$post_parts = parse_url( $url );
$post_uri = $post_parts['path'];
if ( ! empty( $post_parts['query'] ) )
Expand All @@ -100,39 +108,35 @@ function load_tools_page(){
// Hostname appears to be required without the protocol prefix, e.g.
// no 'http://'.
$hostname = $post_parts[ 'host' ];
// Purge Varnish cache.
if ( WPE_CLUSTER_TYPE == "pod" )
$wpe_varnish_servers = array( "localhost" );
else if ( ! isset( $wpe_varnish_servers ) ) {
if ( WPE_CLUSTER_TYPE == "pod" )
$lbmaster = "localhost";
else if ( ! defined( 'WPE_CLUSTER_ID' ) || ! WPE_CLUSTER_ID )
$lbmaster = "lbmaster";
else if ( WPE_CLUSTER_ID >= 4 )
$lbmaster = "localhost"; // so the current user sees the purge
else
$lbmaster = "lbmaster-" . WPE_CLUSTER_ID;
$wpe_varnish_servers = array( $lbmaster );
}

// Debugging
if ( false ) {
$msg_key = rand();
$msg = "Varnishes # $msg_key:\n" . "\nHostname:\n" . var_export( $hostname, true ) . "\nPath:\n" . var_export( $path, true );

// Purge Varnish cache.
if ( WPE_CLUSTER_TYPE == "pod" )
$wpe_varnish_servers = array( "localhost" );
else if ( ! isset( $wpe_varnish_servers ) ) {
if ( WPE_CLUSTER_TYPE == "pod" )
$lbmaster = "localhost";
else if ( ! defined( 'WPE_CLUSTER_ID' ) || ! WPE_CLUSTER_ID )
$lbmaster = "lbmaster";
else if ( WPE_CLUSTER_ID >= 4 )
$lbmaster = "localhost"; // so the current user sees the purge
else
$lbmaster = "lbmaster-" . WPE_CLUSTER_ID;
$wpe_varnish_servers = array( $lbmaster );
}

// Debugging
if ( false ) {
$msg_key = rand();
$msg = "Varnishes # $msg_key:\n" . "\nHostname:\n" . var_export( $hostname, true ) . "\nPath:\n" . var_export( $path, true );
var_dump( $wpe_varnish_servers );
var_dump( $hostname );
var_dump( $path );
}
var_dump( $hostname );
var_dump( $path );
}
// SW/CFTP: Assume we're not using EC…
foreach ( $wpe_varnish_servers as $varnish ) {
error_log( "CFTP: PURGE, $varnish, 9002, $hostname, $path, array( ), 0" );
WpeCommon::http_request_async( "PURGE", $varnish, 9002, $hostname, $path, array( ), 0 );
}

$this->set_admin_notice( "Issued a cache clearance for <var>$url</var>" );
wp_redirect( admin_url( '/tools.php?page=cftp_clear_url' ) );
exit;
}

// CALLBACKS
Expand Down