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Linux v11800 5.3.0-1023-aws #25~18.04.1-Ubuntu SMP Fri Jun 5 15:19:18 UTC 2020 aarch64
|
| Current File : /storage/v11800/affypharma/public_html/wp-content/plugins/w3-total-cache/PageSpeed_Api.php |
<?php
/**
* File: PageSpeed_Api.php
*
* Controls Google OAuth2.0 requests both for authentication and queries against the PageSpeed API.
*
* @since 2.3.0 Update to utilize OAuth2.0 and overhaul of feature.
*
* @package W3TC
*/
namespace W3TC;
/**
* PageSpeed API.
*
* @since 2.3.0
*/
class PageSpeed_Api {
/**
* Config.
*
* @var object
*/
private $config;
/**
* W3TCG_Google_Client.
*
* @var object
*/
public $client;
/**
* W3TC Google Client JSON. Overwritten by W3TC_GOOGLE_CLIENT_JSON constant.
*
* @var string
*/
private $google_client_json = '{"web":{"client_id":"887173527583-mvtpm465985h8pokb3os715s9s3emv78.apps.googleusercontent.com","project_id":"w3tc-testing","auth_uri":"https://accounts.google.com/o/oauth2/auth","token_uri":"https://oauth2.googleapis.com/token","auth_provider_x509_cert_url":"https://www.googleapis.com/oauth2/v1/certs","client_secret":"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","redirect_uris":["google/authorize-in/","google/authorize-out/","google/update-token/","google/get-token/"]}}';
/**
* W3TC API server base URL. Overwritten by W3TC_API2_URL constant.
*
* @var string
*/
private $w3tc_api_base_url = 'https://api2.w3-edge.com';
/**
* Retry Attemps. Overwritten by W3TC_PAGESPEED_MAX_ATTEMPTS constant.
*
* @var string
*/
private $retry_attempts = 4;
/**
* Google PageSpeed API URL. Overwritten by W3TC_PAGESPEED_API_URL constant.
*
* @var string
*/
private $pagespeed_api_base_url = 'https://www.googleapis.com/pagespeedonline/v5/runPagespeed';
/**
* PageSpeed API constructor.
*
* @since 2.3.0
*
* @param string $access_token_json API access token JSON.
*/
public function __construct( $access_token_json = null ) {
$this->config = Dispatcher::config();
$this->client = new \W3TCG_Google_Client();
$this->client->setApplicationName( 'W3TC PageSpeed Analyzer' );
$this->client->setAuthConfig( $this->get_client_json() );
$this->client->setRedirectUri( $this->get_w3tc_api_url( 'google/authorize-out/' ) );
$this->client->addScope( 'openid' );
$this->client->setAccessType( 'offline' );
$this->client->setApprovalPrompt( 'force' );
$this->client->setDefer( true );
if ( ! empty( $access_token_json ) ) {
$this->client->setAccessToken( $access_token_json );
$this->maybe_refresh_token();
}
}
/**
* Run PageSpeed API.
*
* @since 2.3.0
*
* @return void
*/
public function run() {
add_action( 'admin_notices', array( $this, 'authorize_notice' ) );
}
/**
* Fully analyze URL via PageSpeed API.
*
* @since 2.3.0
*
* @param string $url URL to analyze via PageSpeed API.
*
* @return array
*/
public function analyze( $url ) {
$mobile = $this->analyze_strategy( $url, 'mobile' );
$desktop = $this->analyze_strategy( $url, 'desktop' );
return array(
'mobile' => $mobile,
'desktop' => $desktop,
'test_url' => Util_Environment::url_format(
$this->get_pagespeed_url(),
array( 'url' => $url )
),
);
}
/**
* Analyze URL via PageSpeed API using strategy.
*
* @since 2.3.0
*
* @param string $url URL to analyze.
* @param string $strategy Strategy to use desktop/mobile.
*
* @return array
*/
public function analyze_strategy( $url, $strategy ) {
$data = $this->process_request(
array(
'url' => $url,
'category' => 'performance',
'strategy' => $strategy,
)
);
if ( ! empty( Util_PageSpeed::get_value_recursive( $data, array( 'error', 'code' ) ) ) ) {
return array(
'error' => array(
'code' => Util_PageSpeed::get_value_recursive( $data, array( 'error', 'code' ) ),
'message' => Util_PageSpeed::get_value_recursive( $data, array( 'error', 'message' ) ),
),
);
}
return array_merge_recursive(
PageSpeed_Data::prepare_pagespeed_data( $data ),
PageSpeed_Instructions::get_pagespeed_instructions()
);
}
/**
* Make API request.
*
* @since 2.3.0
*
* @param string $query API request query.
*
* @return array
*/
public function process_request( $query ) {
$access_token_json = $this->client->getAccessToken();
if ( empty( $access_token_json ) ) {
return array(
'error' => array(
'code' => 403,
'message' => __( 'Missing Google access token.', 'w3-total-cache' ),
),
);
}
$access_token = json_decode( $access_token_json );
$request = Util_Environment::url_format(
$this->get_pagespeed_url(),
array_merge(
$query,
array(
'quotaUser' => Util_Http::generate_site_id(),
'access_token' => $access_token->access_token,
)
)
);
// Attempt the request up to x times with an increasing delay between each attempt. Uses W3TC_PAGESPEED_MAX_ATTEMPTS constant if defined.
$attempts = 0;
while ( ++$attempts <= $this->get_max_attempts() ) {
try {
$response = wp_remote_get(
$request,
array(
'timeout' => 60,
)
);
if ( ! is_wp_error( $response ) && 200 === $response['response']['code'] ) {
break;
}
} catch ( \Exception $e ) {
if ( $attempts >= $this->get_max_attempts() ) {
return array(
'error' => array(
'code' => 500,
'message' => $e->getMessage(),
),
);
}
}
// Sleep for a cumulative .5 seconds each attempt.
usleep( $attempts * 500000 );
};
if ( isset( $response['response']['code'] ) && 200 !== $response['response']['code'] ) {
// Google PageSpeed Insights sometimes will return a 500 and message body with details so we still grab the body response.
$decoded_body = json_decode( wp_remote_retrieve_body( $response ), true );
return array(
'error' => array(
'code' => $response['response']['code'],
'message' => ( ! empty( $decoded_body['error']['message'] ) ? $decoded_body['error']['message'] : $response['response']['message'] ),
),
);
}
return json_decode( wp_remote_retrieve_body( $response ), true );
}
/**
* Checks if the Google access token is expired and attempts to refresh.
*
* @since 2.3.0
*
* @return void
*/
public function maybe_refresh_token() {
if ( $this->client->isAccessTokenExpired() && ! empty( $this->config->get_string( 'widget.pagespeed.w3tc_pagespeed_key' ) ) ) {
$this->refresh_token();
}
}
/**
* Refreshes the Google access token if a valid refresh token is defined.
*
* @return string
*/
public function refresh_token() {
$initial_refresh_token = $this->client->getRefreshToken();
if ( empty( $initial_refresh_token ) ) {
$initial_refresh_token_json = $this->get_refresh_token( Util_Http::generate_site_id(), $this->config->get_string( 'widget.pagespeed.w3tc_pagespeed_key' ) );
$initial_refresh_token = json_decode( $initial_refresh_token_json );
if ( ! empty( $initial_refresh_token->error ) ) {
$refresh_url = $this->get_w3tc_api_url( 'google/get-token' ) . '/' . Util_Http::generate_site_id() . '/' . $this->config->get_string( 'widget.pagespeed.w3tc_pagespeed_key' );
$error_code = ! empty( $initial_refresh_token->error->code ) ? $initial_refresh_token->error->code : 'N/A';
$error_message = ! empty( $initial_refresh_token->error->message ) ? $initial_refresh_token->error->message : 'N/A';
return wp_json_encode(
array(
'error' => '<p><strong>' . esc_html__( 'API request error!', 'w3-total-cache' ) . '</strong></p>
<p>' . esc_html__( 'Refresh URL : ', 'w3-total-cache' ) . $refresh_url . '</p>
<p>' . esc_html__( 'Response Code : ', 'w3-total-cache' ) . $error_code . '</p>
<p>' . esc_html__( 'Response Message : ', 'w3-total-cache' ) . $error_message . '</p>',
)
);
}
}
try {
$this->client->refreshToken( $initial_refresh_token->refresh_token );
} catch ( \Exception $e ) {
return wp_json_encode(
array(
'error' => array(
'code' => 500,
'message' => $e->getMessage(),
),
)
);
}
$new_access_token = json_decode( $this->client->getAccessToken() );
if ( ! empty( $new_access_token->refresh_token ) ) {
$new_refresh_token = $new_access_token->refresh_token;
unset( $new_access_token->refresh_token );
$request = Util_Environment::url_format(
$this->get_w3tc_api_url( 'google/update-token' ),
array(
'site_id' => Util_Http::generate_site_id(),
'w3tc_pagespeed_key' => $this->config->get_string( 'widget.pagespeed.w3tc_pagespeed_key' ),
'refresh_token' => $new_refresh_token,
)
);
$response = wp_remote_get(
$request,
array(
'timeout' => 60,
)
);
if ( is_wp_error( $response ) ) {
return wp_json_encode(
array(
'error' => array(
'code' => $response->get_error_code(),
'message' => $response->get_error_message(),
),
)
);
} elseif ( isset( $response['error']['code'] ) && 200 !== $response['error']['code'] ) {
if ( 'update-token-missing-site-id' === $response['error']['id'] ) {
$message = __( 'No site ID provided for Google access record update!', 'w3-total-cache' );
} elseif ( 'update-token-missing-w3tc-pagespeed-key' === $response['error']['id'] ) {
$message = __( 'No W3 key provided for Google access record update!', 'w3-total-cache' );
} elseif ( 'update-token-missing-refresh-token' === $response['error']['id'] ) {
$message = __( 'No refresh token provided for Google access record update!', 'w3-total-cache' );
} elseif ( 'update-token-not-found' === $response['error']['id'] ) {
$message = __( 'No matching Google access record found for W3 key!', 'w3-total-cache' );
}
return wp_json_encode(
array(
'error' => array(
'code' => $response['error']['code'],
'message' => $message,
),
)
);
}
}
$this->config->set( 'widget.pagespeed.access_token', wp_json_encode( $new_access_token ) );
$this->config->save();
return wp_json_encode( array( 'access_key' => $new_access_token ) );
}
/**
* Creates new Google access token from authorize request response.
*
* @since 2.3.0
*
* @param string $gacode New Google access authentication code.
* @param string $w3tc_pagespeed_key W3 API access key.
*
* @return string
*/
public function process_authorization_response( $gacode, $w3tc_pagespeed_key ) {
if ( empty( $gacode ) ) {
return wp_json_encode(
array(
'error' => array(
'code' => 409,
'message' => __( 'Missing/invalid Google access authentication code.', 'w3-total-cache' ),
),
)
);
} elseif ( empty( $w3tc_pagespeed_key ) ) {
return wp_json_encode(
array(
'error' => array(
'code' => 409,
'message' => __( 'Missing/invalid W3 API key.', 'w3-total-cache' ),
),
)
);
}
try {
$this->client->authenticate( $gacode );
} catch ( \Exception $e ) {
return wp_json_encode(
array(
'error' => array(
'code' => 500,
'message' => $e->getMessage(),
),
)
);
}
$access_token_json = $this->client->getAccessToken();
if ( empty( $access_token_json ) ) {
return wp_json_encode(
array(
'error' => array(
'code' => 409,
'message' => __( 'Missing/invalid Google access token JSON setting after authentication.', 'w3-total-cache' ),
),
)
);
}
$access_token = ( ! empty( $access_token_json ) ? json_decode( $access_token_json ) : '' );
$request = Util_Environment::url_format(
$this->get_w3tc_api_url( 'google/update-token' ),
array(
'site_id' => Util_Http::generate_site_id(),
'w3tc_pagespeed_key' => $w3tc_pagespeed_key,
'refresh_token' => $access_token->refresh_token,
)
);
$response = wp_remote_get(
$request,
array(
'timeout' => 60,
)
);
if ( is_wp_error( $response ) ) {
return wp_json_encode(
array(
'error' => array(
'code' => $response->get_error_code(),
'message' => $response->get_error_message(),
),
)
);
} elseif ( isset( $response['error']['code'] ) && 200 !== $response['error']['code'] ) {
if ( 'update-token-missing-site-id' === $response['error']['id'] ) {
$message = __( 'No site ID provided for Google access record update!', 'w3-total-cache' );
} elseif ( 'update-token-missing-w3tc-pagespeed-key' === $response['error']['id'] ) {
$message = __( 'No W3 key provided for Google access record update!', 'w3-total-cache' );
} elseif ( 'update-token-missing-refresh-token' === $response['error']['id'] ) {
$message = __( 'No refresh token provided for Google access record update!', 'w3-total-cache' );
} elseif ( 'update-token-not-found' === $response['error']['id'] ) {
$message = __( 'No matching Google access record found for W3 key!', 'w3-total-cache' );
}
return wp_json_encode(
array(
'error' => array(
'code' => $response['error']['code'],
'message' => $message,
),
)
);
}
unset( $access_token->refresh_token );
$this->config->set( 'widget.pagespeed.access_token', wp_json_encode( $access_token ) );
$this->config->set( 'widget.pagespeed.w3tc_pagespeed_key', $w3tc_pagespeed_key );
$this->config->save();
return wp_json_encode( array( 'refresh_token' => $access_token ) );
}
/**
* Fetches Google refresh token from W3 API server.
*
* @since 2.3.0
*
* @param string $site_id Site ID.
* @param string $w3tc_pagespeed_key W3 API access key.
*
* @return string
*/
public function get_refresh_token( $site_id, $w3tc_pagespeed_key ) {
if ( empty( $site_id ) ) {
return wp_json_encode(
array(
'error' => array(
'code' => 409,
'message' => __( 'Missing/invalid Site ID.', 'w3-total-cache' ),
),
)
);
} elseif ( empty( $w3tc_pagespeed_key ) ) {
return wp_json_encode(
array(
'error' => array(
'code' => 409,
'message' => __( 'Missing/invalid W3 API key.', 'w3-total-cache' ),
),
)
);
}
$request = $this->get_w3tc_api_url( 'google/get-token' ) . '/' . $site_id . '/' . $w3tc_pagespeed_key;
$response = wp_remote_get(
$request,
array(
'timeout' => 60,
)
);
if ( is_wp_error( $response ) ) {
return wp_json_encode(
array(
'error' => array(
'code' => $response->get_error_code(),
'message' => $response->get_error_message(),
),
)
);
} elseif ( isset( $response['error']['code'] ) && 200 !== $response['error']['code'] ) {
if ( 'get-token-missing-site-id' === $response['error']['id'] ) {
$message = __( 'No site ID provided for Google access record update!', 'w3-total-cache' );
} elseif ( 'get-token-missing-w3tc-pagespeed-key' === $response['error']['id'] ) {
$message = __( 'No W3 key provided for Google access record update!', 'w3-total-cache' );
} elseif ( 'get-token-not-found' === $response['error']['id'] ) {
$message = __( 'No matching Google access record found for W3 key!', 'w3-total-cache' );
} elseif ( 'get-token-bad-record' === $response['error']['id'] ) {
$message = __( 'Matching Google access record found but the refresh token value is blank!', 'w3-total-cache' );
}
return wp_json_encode(
array(
'error' => array(
'code' => $response['error']['code'],
'message' => $message,
),
)
);
}
// Response body should contain a JSON format string.
return wp_remote_retrieve_body( $response );
}
/**
* Get Google Client JSON config.
*
* @since 2.3.0
*
* @return string
*/
public function get_client_json() {
$client_json = defined( 'W3TC_GOOGLE_CLIENT_JSON' ) && W3TC_GOOGLE_CLIENT_JSON ? W3TC_GOOGLE_CLIENT_JSON : $this->google_client_json;
$client = json_decode( $client_json );
foreach ( $client->web->redirect_uris as $redirect_uri_key => $redirect_uri_value ) {
$client->web->redirect_uris[ $redirect_uri_key ] = $this->get_w3tc_api_url( $redirect_uri_value );
}
return wp_json_encode( $client );
}
/**
* Get W3TC PageSpeed API max attempts.
*
* @since 2.3.0
*
* @return int
*/
public function get_max_attempts() {
return defined( 'W3TC_PAGESPEED_MAX_ATTEMPTS' ) && W3TC_PAGESPEED_MAX_ATTEMPTS ? W3TC_PAGESPEED_MAX_ATTEMPTS : $this->retry_attempts;
}
/**
* Get Google PageSpeed API URL.
*
* @since 2.3.0
*
* @return string
*/
public function get_pagespeed_url() {
return defined( 'W3TC_PAGESPEED_API_URL' ) && W3TC_PAGESPEED_API_URL ? W3TC_PAGESPEED_API_URL : $this->pagespeed_api_base_url;
}
/**
* Get W3TC API server URL target.
*
* @since 2.3.0
*
* @param string $target API target URI.
*
* @return string
*/
public function get_w3tc_api_url( $target ) {
return defined( 'W3TC_API2_URL' ) && W3TC_API2_URL ?
trailingslashit( W3TC_API2_URL ) . $target :
trailingslashit( $this->w3tc_api_base_url ) . $target;
}
/**
* PageSpeed authorize admin notice.
*
* @since 2.3.0
*/
public function authorize_notice() {
if ( current_user_can( 'manage_options' ) && get_option( 'w3tcps_authorize_success' ) ) {
echo '<div class="updated is-dismissible"><p>' . esc_html( get_option( 'w3tcps_authorize_success' ) ) . '</p></div>';
delete_option( 'w3tcps_authorize_success ' );
} elseif ( current_user_can( 'manage_options' ) && get_option( 'w3tcps_authorize_fail' ) ) {
echo '<div class="error is-dismissible"><p>' . esc_html( get_option( 'w3tcps_authorize_fail' ) ) . '</p><p>' . wp_kses( get_option( 'w3tcps_authorize_fail_message' ), Util_PageSpeed::get_allowed_tags() ) . '</p></div>';
delete_option( 'w3tcps_authorize_fail ' );
delete_option( 'w3tcps_authorize_fail_message ' );
}
}
/**
* Reset authentication.
*
* @since 2.3.0
*/
public function reset() {
$access_token = $this->client->getAccessToken();
$this->client->revokeToken( $access_token );
$this->config->set( 'widget.pagespeed.access_token', '' );
$this->config->set( 'widget.pagespeed.w3key', '' );
$this->config->save();
}
}