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<?php |
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/** |
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* Base API client class. |
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* @package WordPress_GitHub_Sync |
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*/ |
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/** |
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* Class WordPress_GitHub_Sync_Base_Client |
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*/ |
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class WordPress_GitHub_Sync_Base_Client { |
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const TOKEN_OPTION_KEY = 'wpghs_oauth_token'; |
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const REPO_OPTION_KEY = 'wpghs_repository'; |
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const HOST_OPTION_KEY = 'wpghs_host'; |
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/** |
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* Application container. |
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* |
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* @var WordPress_GitHub_Sync |
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*/ |
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protected $app; |
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/** |
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* Instantiates a new Api object. |
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* |
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* @param WordPress_GitHub_Sync $app Application container. |
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*/ |
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public function __construct( WordPress_GitHub_Sync $app ) { |
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$this->app = $app; |
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} |
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/** |
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* Generic GitHub API interface and response handler |
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* |
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* @param string $method HTTP method. |
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* @param string $endpoint API endpoint. |
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* @param array $body Request body. |
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* |
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* @return stdClass|WP_Error |
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*/ |
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protected function call( $method, $endpoint, $body = array() ) { |
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if ( is_wp_error( $error = $this->can_call() ) ) { |
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return $error; |
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} |
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$args = array( |
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'method' => $method, |
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'headers' => array( |
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'Authorization' => 'token ' . $this->oauth_token(), |
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), |
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); |
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if ( 'GET' !== $method ) { |
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$args['body'] = function_exists( 'wp_json_encode' ) ? |
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wp_json_encode( $body ) : |
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json_encode( $body ); |
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} |
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$response = wp_remote_request( $endpoint, $args ); |
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$status = wp_remote_retrieve_header( $response, 'status' ); |
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$body = json_decode( wp_remote_retrieve_body( $response ) ); |
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if ( '2' !== substr( $status, 0, 1 ) && '3' !== substr( $status, 0, 1 ) ) { |
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return new WP_Error( |
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strtolower( str_replace( ' ', '_', $status ) ), |
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sprintf( |
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__( 'Method %s to endpoint %s failed with error: %s', 'wp-github-sync' ), |
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$method, |
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$endpoint, |
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$body && $body->message ? $body->message : 'Unknown error' |
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) |
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); |
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} |
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return $body; |
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} |
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/** |
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* Validates whether the Api object can make a call. |
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* |
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* @return true|WP_Error |
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*/ |
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protected function can_call() { |
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if ( ! $this->oauth_token() ) { |
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return new WP_Error( |
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'missing_token', |
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__( 'WordPress-GitHub-Sync needs an auth token. Please update your settings.', 'wp-github-sync' ) |
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); |
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} |
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$repo = $this->repository(); |
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if ( ! $repo ) { |
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return new WP_Error( |
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'missing_repository', |
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__( 'WordPress-GitHub-Sync needs a repository. Please update your settings.', 'wp-github-sync' ) |
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); |
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} |
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$parts = explode( '/', $repo ); |
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if ( 2 !== count( $parts ) ) { |
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return new WP_Error( |
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'malformed_repository', |
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__( 'WordPress-GitHub-Sync needs a properly formed repository. Please update your settings.', 'wp-github-sync' ) |
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); |
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} |
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return true; |
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} |
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/** |
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* Returns the repository to sync with |
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* |
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* @return string |
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*/ |
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public function repository() { |
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return (string) get_option( self::REPO_OPTION_KEY ); |
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} |
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/** |
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* Returns the user's oauth token |
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* |
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* @return string |
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*/ |
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public function oauth_token() { |
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return (string) get_option( self::TOKEN_OPTION_KEY ); |
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} |
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/** |
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* Returns the GitHub host to sync with (for GitHub Enterprise support) |
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*/ |
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public function api_base() { |
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return get_option( self::HOST_OPTION_KEY ); |
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} |
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/** |
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* API endpoint for the master branch reference |
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*/ |
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public function reference_endpoint() { |
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$sync_branch = apply_filters( 'wpghs_sync_branch', 'master' ); |
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if ( ! $sync_branch ) { |
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throw new Exception( __( 'Sync branch not set. Filter `wpghs_sync_branch` misconfigured.', 'wp-github-sync' ) ); |
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} |
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$url = $this->api_base() . '/repos/'; |
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$url = $url . $this->repository() . '/git/refs/heads/' . $sync_branch; |
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return $url; |
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} |
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/** |
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* Api to get and create commits |
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*/ |
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public function commit_endpoint() { |
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$url = $this->api_base() . '/repos/'; |
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$url = $url . $this->repository() . '/git/commits'; |
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return $url; |
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} |
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/** |
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* Api to get and create trees |
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*/ |
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public function tree_endpoint() { |
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$url = $this->api_base() . '/repos/'; |
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$url = $url . $this->repository() . '/git/trees'; |
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return $url; |
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} |
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/** |
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* Builds the proper blob API endpoint for a given post |
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* |
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* Returns String the relative API call path |
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*/ |
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public function blob_endpoint() { |
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$url = $this->api_base() . '/repos/'; |
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$url = $url . $this->repository() . '/git/blobs'; |
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return $url; |
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} |
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/** |
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* Builds the proper content API endpoint for a given post |
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* |
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* Returns String the relative API call path |
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*/ |
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public function content_endpoint() { |
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$url = $this->api_base() . '/repos/'; |
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$url = $url . $this->repository() . '/contents/'; |
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return $url; |
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} |
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} |
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