Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

fix: Fixes assumption that CACHE_PORT & CACHE_PASSWORD are Set. #360

Merged
Show file tree
Hide file tree
Changes from all commits
Commits
File filter

Filter by extension

Filter by extension

Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
3 changes: 2 additions & 1 deletion README.md
Original file line number Diff line number Diff line change
Expand Up @@ -104,7 +104,8 @@ There's a known issue with WordPress `alloptions` cache design. Specifically, a

## Changelog ##

### Latest ###
### 1.4.3-dev ###
* Bug fix: Fixes assumption that CACHE_PORT & CACHE_PASSWORD are Set. [[428](https://github.com/pantheon-systems/wp-redis/pull/428)] (props @timnolte)

### 1.4.2 (May 15, 2023) ###
* Bug fix: Removes exception loop caused by `esc_html` in `_exception_handler()` [[421](https://github.com/pantheon-systems/wp-redis/pull/421)]
Expand Down
21 changes: 12 additions & 9 deletions object-cache.php
Original file line number Diff line number Diff line change
Expand Up @@ -1238,29 +1238,32 @@ public function check_client_dependencies() {
* with defaults applied.
*/
public function build_client_parameters( $redis_server ) {
// Default Redis port.
$port = 6379;
// Default Redis database number.
$database = 0;

if ( empty( $redis_server ) ) {
// Attempt to automatically load Pantheon's Redis config from the env.
if ( isset( $_SERVER['CACHE_HOST'] ) ) {
$redis_server = [
'host' => wp_strip_all_tags( $_SERVER['CACHE_HOST'] ),
'port' => isset( $_SERVER['CACHE_PORT'] ) ? wp_strip_all_tags( $_SERVER['CACHE_PORT'] ) : 0,
'auth' => isset( $_SERVER['CACHE_PASSWORD'] ) ? wp_strip_all_tags( $_SERVER['CACHE_PASSWORD'] ) : '',
'database' => isset( $_SERVER['CACHE_DB'] ) ? wp_strip_all_tags( $_SERVER['CACHE_DB'] ) : 0,
'port' => isset( $_SERVER['CACHE_PORT'] ) ? wp_strip_all_tags( $_SERVER['CACHE_PORT'] ) : $port,
'auth' => isset( $_SERVER['CACHE_PASSWORD'] ) ? wp_strip_all_tags( $_SERVER['CACHE_PASSWORD'] ) : null,
'database' => isset( $_SERVER['CACHE_DB'] ) ? wp_strip_all_tags( $_SERVER['CACHE_DB'] ) : $database,
];
} else {
$redis_server = [
'host' => '127.0.0.1',
'port' => 6379,
'database' => 0,
'port' => $port,
'database' => $database,
];
}
}

if ( file_exists( $redis_server['host'] ) && 'socket' === filetype( $redis_server['host'] ) ) { // unix socket connection.
// port must be null or socket won't connect.
$port = null;
} else { // tcp connection.
$port = ! empty( $redis_server['port'] ) ? $redis_server['port'] : 6379;
}

$defaults = [
Expand Down Expand Up @@ -1470,9 +1473,9 @@ protected function _exception_handler( $exception ) {
try {
$this->last_triggered_error = 'WP Redis: ' . $exception->getMessage();
// Be friendly to developers debugging production servers by triggering an error.

// phpcs:ignore WordPress.PHP.DevelopmentFunctions.error_log_trigger_error,WordPress.Security.EscapeOutput.OutputNotEscaped
trigger_error( $this->last_triggered_error, E_USER_WARNING );
trigger_error( $this->last_triggered_error, E_USER_WARNING );
} catch ( PHPUnit_Framework_Error_Warning $e ) { // phpcs:ignore Generic.CodeAnalysis.EmptyStatement.DetectedCatch
// PHPUnit throws an Exception when `trigger_error()` is called. To ensure our tests (which expect Exceptions to be caught) continue to run, we catch the PHPUnit exception and inspect the RedisException message.
}
Expand Down
3 changes: 2 additions & 1 deletion readme.txt
Original file line number Diff line number Diff line change
Expand Up @@ -102,7 +102,8 @@ There's a known issue with WordPress `alloptions` cache design. Specifically, a

== Changelog ==

= Latest =
= 1.4.3-dev =
* Bug fix: Fixes assumption that CACHE_PORT & CACHE_PASSWORD are Set. [[428](https://github.com/pantheon-systems/wp-redis/pull/428)] (props @tnolte)

= 1.4.2 (May 15, 2023) =
* Bug fix: Removes exception loop caused by `esc_html` in `_exception_handler()` [[421](https://github.com/pantheon-systems/wp-redis/pull/421)]
Expand Down
8 changes: 4 additions & 4 deletions wp-redis.php
Original file line number Diff line number Diff line change
Expand Up @@ -38,12 +38,12 @@ function wp_redis_get_info() {

if ( empty( $redis_server ) ) {
// Attempt to automatically load Pantheon's Redis config from the env.
if ( isset( $_SERVER['CACHE_HOST'] ) && isset( $_SERVER['CACHE_PORT'] ) && isset( $_SERVER['CACHE_PASSWORD'] ) && isset( $_SERVER['CACHE_DB'] ) ) {
if ( isset( $_SERVER['CACHE_HOST'] ) ) {
$redis_server = [
'host' => sanitize_text_field( $_SERVER['CACHE_HOST'] ),
'port' => sanitize_text_field( $_SERVER['CACHE_PORT'] ),
'auth' => sanitize_text_field( $_SERVER['CACHE_PASSWORD'] ),
'database' => sanitize_text_field( $_SERVER['CACHE_DB'] ),
'port' => isset( $_SERVER['CACHE_PORT'] ) ? sanitize_text_field( $_SERVER['CACHE_PORT'] ) : 6379,
'auth' => isset( $_SERVER['CACHE_PASSWORD'] ) ? sanitize_text_field( $_SERVER['CACHE_PASSWORD'] ) : null,
'database' => isset( $_SERVER['CACHE_DB'] ) ? sanitize_text_field( $_SERVER['CACHE_DB'] ) : 0,
];
} else {
$redis_server = [
Expand Down