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

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merged 4 commits into from
Jun 5, 2023
Merged

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

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cf4ba56
fix: Fixes assumption that CACHE_PORT & CACHE_PASSWORD are Set.
timnolte Jun 5, 2023
0d37d2c
update changelog
jazzsequence Jun 5, 2023
70a63bf
remove trailing '
jazzsequence Jun 5, 2023
1d48d67
redo trailing '
jazzsequence Jun 5, 2023
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3 changes: 2 additions & 1 deletion README.md
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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)]
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21 changes: 12 additions & 9 deletions object-cache.php
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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.
}
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3 changes: 2 additions & 1 deletion readme.txt
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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)]
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8 changes: 4 additions & 4 deletions wp-redis.php
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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