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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,135 @@ | ||
| <?php | ||
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| // Based on https://github.com/omarabid/Self-Hosted-WordPress-Plugin-repository/blob/master/wp_autoupdate.php | ||
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| class WP_AutoUpdate | ||
| { | ||
| /** | ||
| * The plugin current version | ||
| * @var string | ||
| */ | ||
| private $current_version; | ||
|
|
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| /** | ||
| * The plugin remote update path | ||
| * @var string | ||
| */ | ||
| private $update_path; | ||
|
|
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| /** | ||
| * Plugin Slug (plugin_directory/plugin_file.php) | ||
| * @var string | ||
| */ | ||
| private $plugin_slug; | ||
|
|
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| /** | ||
| * Plugin name (plugin_file) | ||
| * @var string | ||
| */ | ||
| private $slug; | ||
|
|
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| /** | ||
| * Initialize a new instance of the WordPress Auto-Update class | ||
| * @param string $current_version | ||
| * @param string $update_path | ||
| * @param string $plugin_slug | ||
| */ | ||
| public function __construct( $current_version, $update_path, $plugin_slug) | ||
| { | ||
| // Set the class public variables | ||
| $this->current_version = $current_version; | ||
| $this->update_path = $update_path; | ||
|
|
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| // Set the Plugin Slug | ||
| $this->plugin_slug = $plugin_slug; | ||
| list ($t1, $t2) = explode( '/', $plugin_slug ); | ||
| $this->slug = str_replace( '.php', '', $t2 ); | ||
|
|
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| // define the alternative API for updating checking | ||
| add_filter( 'pre_set_site_transient_update_plugins', array( &$this, 'check_update' ) ); | ||
|
|
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| // Define the alternative response for information checking | ||
| add_filter( 'plugins_api', array( &$this, 'check_info' ), 10, 3 ); | ||
| } | ||
|
|
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| /** | ||
| * Add our self-hosted autoupdate plugin to the filter transient | ||
| * | ||
| * @param $transient | ||
| * @return object $ transient | ||
| */ | ||
| public function check_update( $transient ) | ||
| { | ||
|
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| if (empty($transient) || !isset($transient->checked) || empty( $transient->checked ) ) { | ||
| return $transient; | ||
| } | ||
|
|
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| // Get the remote version | ||
| $remote_version = $this->getRemote('version'); | ||
|
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| if(empty($remote_version)) { | ||
| return $transient; | ||
| } | ||
|
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| // If a newer version is available, add the update | ||
| if ( version_compare( $this->current_version, $remote_version->new_version, '<' ) ) { | ||
| $obj = new stdClass(); | ||
| $obj->slug = $this->slug; | ||
| $obj->new_version = $remote_version->new_version; | ||
| $obj->url = $remote_version->url; | ||
| $obj->plugin = $this->plugin_slug; | ||
| //$obj->package = $remote_version->package; | ||
|
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| if(isset($remote_version->tested)) { | ||
| $obj->tested = $remote_version->tested; | ||
| } | ||
|
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| $transient->response[$this->plugin_slug] = $obj; | ||
| } | ||
| return $transient; | ||
| } | ||
|
|
||
| /** | ||
| * Add our self-hosted description to the filter | ||
| * | ||
| * @param boolean $false | ||
| * @param array $action | ||
| * @param object $arg | ||
| * @return bool|object | ||
| */ | ||
| public function check_info($obj, $action, $arg) | ||
| { | ||
| if (($action=='query_plugins' || $action=='plugin_information') && | ||
| isset($arg->slug) && $arg->slug === $this->slug) { | ||
| return $this->getRemote('info'); | ||
| } | ||
|
|
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| return $obj; | ||
| } | ||
|
|
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| /** | ||
| * Return the remote version | ||
| * | ||
| * @return string $remote_version | ||
| */ | ||
| public function getRemote($action = '') | ||
| { | ||
|
|
||
| $params = array( | ||
| 'body' => array( | ||
| 'action' => $action, | ||
| ), | ||
| ); | ||
|
|
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| // Make the POST request | ||
| $request = wp_remote_post($this->update_path, $params ); | ||
|
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| // Check if response is valid | ||
| if ( !is_wp_error( $request ) || wp_remote_retrieve_response_code( $request ) === 200 ) { | ||
| return @unserialize( $request['body'] ); | ||
| } | ||
|
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| return false; | ||
| } | ||
| } |