render_intro( array() );
}
/**
* Renders the introduction section of the CloudFront popup.
*
* @param array $details Array of details required for rendering the introduction.
*
* @return void
*/
private function render_intro( $details ) {
$config = Dispatcher::config();
$url_obtain_key = Util_Ui::url(
array(
'page' => 'w3tc_dashboard',
)
);
include W3TC_DIR . '/Cdnfsd_CloudFront_Popup_View_Intro.php';
exit();
}
/**
* Lists the CloudFront distributions available for the provided credentials.
*
* @return void
*
* @throws \Aws\Exception\AwsException If AWS SDK encounters an error.
* @throws \Exception If a general error occurs.
*/
public function w3tc_ajax_cdn_cloudfront_fsd_list_distributions() {
$access_key = Util_Request::get_string( 'access_key' );
$secret_key = Util_Request::get_string( 'secret_key' );
if ( empty( $access_key ) || empty( $secret_key ) ) {
$this->render_intro(
array(
'error_message' => 'Can\'t authenticate: Access Key or Secret not valid',
)
);
exit();
}
try {
$api = $this->_api( $access_key, $secret_key );
$distributions = $api->listDistributions();
} catch ( \Aws\Exception\AwsException $ex ) {
$this->render_intro(
array(
'error_message' => 'Can\'t authenticate: ' . $ex->getAwsErrorMessage(),
)
);
exit();
} catch ( \Exception $ex ) {
$error_message = 'Can\'t authenticate: ' . $ex->getMessage();
$this->render_intro(
array(
'error_message' => $error_message,
)
);
exit();
}
$items = array();
if ( isset( $distributions['DistributionList']['Items'] ) ) {
foreach ( $distributions['DistributionList']['Items'] as $i ) {
if ( empty( $i['Comment'] ) ) {
$i['Comment'] = $i['DomainName'];
}
if ( isset( $i['Origins']['Items'][0]['DomainName'] ) ) {
$i['Origin_DomainName'] = $i['Origins']['Items'][0]['DomainName'];
}
$items[] = $i;
}
}
$details = array(
'access_key' => $access_key,
'secret_key' => $secret_key,
'distributions' => $items,
);
include W3TC_DIR . '/Cdnfsd_CloudFront_Popup_View_Distributions.php';
exit();
}
/**
* Displays detailed information about a specific CloudFront distribution.
*
* @return void
*
* @throws \Exception If the distribution cannot be retrieved.
*/
public function w3tc_ajax_cdn_cloudfront_fsd_view_distribution() {
$access_key = Util_Request::get_string( 'access_key' );
$secret_key = Util_Request::get_string( 'secret_key' );
$distribution_id = Util_Request::get( 'distribution_id', '' );
$details = array(
'access_key' => $access_key,
'secret_key' => $secret_key,
'distribution_id' => $distribution_id,
'distribution_comment' => '',
'origin' => array(
'new' => '',
),
'forward_querystring' => array(
'new' => true,
),
'forward_cookies' => array(
'new' => true,
),
'forward_host' => array(
'new' => true,
),
);
if ( empty( $distribution_id ) ) {
// create new zone mode.
$details['distribution_comment'] = Util_Request::get( 'comment_new' );
} else {
try {
$api = $this->_api( $access_key, $secret_key );
$distribution = $api->getDistribution( array( 'Id' => $distribution_id ) );
} catch ( \Exception $ex ) {
$this->render_intro(
array(
'error_message' => 'Can\'t obtain zone: ' . $ex->getMessage(),
)
);
exit();
}
if ( isset( $distribution['Distribution']['DistributionConfig'] ) ) {
$c = $distribution['Distribution']['DistributionConfig'];
} else {
$c = array();
}
if ( ! empty( $c['Comment'] ) ) {
$details['distribution_comment'] = $c['Comment'];
} else {
$details['distribution_comment'] = $c['DomainName'];
}
if ( isset( $c['Origins']['Items']['Origin'] ) ) {
$details['origin']['current'] = $c['Origins']['Items']['Origin'][0]['DomainName'];
$details['origin']['new'] = $details['origin']['current'];
}
if ( isset( $c['DefaultCacheBehavior'] ) && isset( $c['DefaultCacheBehavior']['ForwardedValues'] ) ) {
$b = $c['DefaultCacheBehavior']['ForwardedValues'];
} else {
$b = array();
}
$details['forward_querystring']['current'] = (
isset( $b['QueryString'] ) &&
'true' === $b['QueryString']
);
$details['forward_cookies']['current'] = (
isset( $b['Cookies'] ) &&
isset( $b['Cookies']['Forward'] ) &&
'all' === $b['Cookies']['Forward']
);
$details['forward_host']['current'] = false;
if ( isset( $b['Headers']['Items']['Name'] ) ) {
foreach ( $b['Headers']['Items']['Name'] as $name ) {
if ( 'Host' === $name ) {
$details['forward_host']['current'] = true;
}
}
}
}
include W3TC_DIR . '/Cdnfsd_CloudFront_Popup_View_Distribution.php';
exit();
}
/**
* Renders changes in a zone value for a given field.
*
* @param array $details {
* Zone details containing current and new values.
*
* @type array $field {
* The field name to render changes for.
*
* @type string $current The current value of the field.
* @type string $new The new value of the field.
* }
* }
* @param string $field Field name to render changes for.
*
* @return void
*/
private function render_zone_value_change( $details, $field ) {
Util_Ui::hidden( 'w3tc-cloudfront-value-' . $field, $field, $details[ $field ]['new'] );
if ( ! isset( $details[ $field ]['current'] ) || $details[ $field ]['current'] === $details[ $field ]['new'] ) {
echo esc_html( $details[ $field ]['new'] );
} else {
echo 'currently set to ' .
( empty( $details[ $field ]['current'] ) ? '' : esc_html( $details[ $field ]['current'] ) ) .
'
';
echo 'will be changed to ' . esc_html( $details[ $field ]['new'] ) . '
';
}
}
/**
* Renders changes in a boolean zone value for a given field.
*
* @param array $details {
* Zone details containing current and new values.
*
* @type array $field {
* The field name to render changes for.
*
* @type string $current The current value of the field.
* @type string $new The new value of the field.
* }
* }
* @param string $field The field name to render changes for.
*
* @return void
*/
private function render_zone_boolean_change( $details, $field ) {
Util_Ui::hidden( 'w3tc-cloudfront-boolean-' . $field, $field, $details[ $field ]['new'] );
if ( ! isset( $details[ $field ]['current'] ) ) {
echo 'will be set to ' . esc_html( $this->render_zone_boolean( $details[ $field ]['new'] ) ) . '';
} elseif ( $details[ $field ]['current'] === $details[ $field ]['new'] ) {
echo '' . esc_html( $this->render_zone_boolean( $details[ $field ]['new'] ) ) . '';
} else {
echo 'currently set to ' . esc_html( $this->render_zone_boolean( $details[ $field ]['current'] ) ) .
'
will be changed to ' . esc_html( $this->render_zone_boolean( $details[ $field ]['new'] ) ) .
'
';
}
}
/**
* Renders a boolean value as 'enabled' or 'disabled'.
*
* @param int $v Boolean value (0 or 1).
*
* @return void
*/
private function render_zone_boolean( $v ) {
if ( empty( $v ) ) {
echo 'disabled';
} else {
echo 'enabled';
}
}
/**
* Renders changes in a zone IP value for a given field.
*
* @param array $details {
* Zone details containing current and new values.
*
* @type array $field {
* The field name to render changes for.
*
* @type string $current The current value of the field.
* @type string $new The new value of the field.
* }
* }
* @param string $field Field name to render changes for.
*
* @return void
*/
private function render_zone_ip_change( $details, $field ) {
Util_Ui::textbox( '', $field, $details[ $field ]['new'] );
if ( isset( $details[ $field ]['current'] ) && $details[ $field ]['current'] !== $details[ $field ]['new'] ) {
echo 'currently set to ' . esc_html( $details[ $field ]['current'] ) . '
';
}
}
/**
* Configures a CloudFront distribution based on provided inputs.
*
* @return void
*
* @throws \Aws\Exception\AwsException If AWS SDK encounters an error.
* @throws \Exception If a general error occurs during configuration.
*/
public function w3tc_ajax_cdn_cloudfront_fsd_configure_distribution() {
$access_key = Util_Request::get_string( 'access_key' );
$secret_key = Util_Request::get_string( 'secret_key' );
$distribution_id = Util_Request::get( 'distribution_id', '' );
$origin_id = wp_rand();
$distribution = array(
'DistributionConfig' => array(
'CallerReference' => $origin_id,
'Comment' => Util_Request::get( 'distribution_comment' ),
'DefaultCacheBehavior' => array(
'AllowedMethods' => array(
'CachedMethods' => array(
'Items' => array( 'HEAD', 'GET' ),
'Quantity' => 2,
),
'Items' => array( 'HEAD', 'GET' ),
'Quantity' => 2,
),
'Compress' => true,
'DefaultTTL' => 86400,
'FieldLevelEncryptionId' => '',
'ForwardedValues' => array(
'Cookies' => array(
'Forward' => 'all',
),
'Headers' => array(
'Quantity' => 1,
'Items' => array(
'Name' => 'Host',
),
),
'QueryString' => true,
'QueryStringCacheKeys' => array(
'Quantity' => 0,
),
),
'LambdaFunctionAssociations' => array( 'Quantity' => 0 ),
'MinTTL' => 0,
'SmoothStreaming' => false,
'TargetOriginId' => $origin_id,
'TrustedSigners' => array(
'Enabled' => false,
'Quantity' => 0,
),
'ViewerProtocolPolicy' => 'allow-all',
),
'Enabled' => true,
'Origins' => array(
'Items' => array(
array(
'DomainName' => Util_Request::get( 'origin' ),
'Id' => $origin_id,
'OriginPath' => '',
'CustomHeaders' => array( 'Quantity' => 0 ),
'CustomOriginConfig' => array(
'HTTPPort' => 80,
'HTTPSPort' => 443,
'OriginProtocolPolicy' => 'match-viewer',
),
),
),
'Quantity' => 1,
),
'Aliases' => array(
'Quantity' => 0,
),
),
);
try {
$api = $this->_api( $access_key, $secret_key );
if ( empty( $distribution_id ) ) {
$response = $api->createDistribution( $distribution );
$distribution_id = $response['Distribution']['Id'];
} else {
$distribution['Id'] = $distribution_id;
$response = $api->UpdateDistribution( $distribution );
}
} catch ( \Aws\Exception\AwsException $ex ) {
$this->render_intro(
array(
'error_message' => 'Unable to create distribution: ' . $ex->getAwsErrorMessage(),
)
);
exit();
} catch ( \Exception $ex ) {
$this->render_intro(
array(
'error_message' => 'Failed to configure distribution: ' . $ex->getMessage(),
)
);
exit();
}
$distribution_domain = $response['Distribution']['DomainName'];
$c = Dispatcher::config();
$c->set( 'cdnfsd.cloudfront.access_key', $access_key );
$c->set( 'cdnfsd.cloudfront.secret_key', $secret_key );
$c->set( 'cdnfsd.cloudfront.distribution_id', $distribution_id );
$c->set( 'cdnfsd.cloudfront.distribution_domain', $distribution_domain );
$c->save();
$details = array(
'name' => $distribution['DistributionConfig']['Comment'],
'home_domain' => Util_Environment::home_url_host(),
'dns_cname_target' => $distribution_domain,
);
include W3TC_DIR . '/Cdnfsd_CloudFront_Popup_View_Success.php';
exit();
}
/**
* Skips distribution configuration and saves the provided details.
*
* @return void
*
* @throws \Exception If the distribution details cannot be retrieved.
*/
public function w3tc_ajax_cdn_cloudfront_fsd_configure_distribution_skip() {
$access_key = Util_Request::get_string( 'access_key' );
$secret_key = Util_Request::get_string( 'secret_key' );
$distribution_id = Util_Request::get( 'distribution_id', '' );
$origin_id = wp_rand();
try {
$api = $this->_api( $access_key, $secret_key );
$distribution = $api->getDistribution( array( 'Id' => $distribution_id ) );
} catch ( \Exception $ex ) {
$this->render_intro(
array(
'error_message' => 'Failed to configure distribution: ' . $ex->getMessage(),
)
);
exit();
}
if ( isset( $distribution['Distribution']['DomainName'] ) ) {
$distribution_domain = $distribution['Distribution']['DomainName'];
} else {
$distribution_domain = 'n/a';
}
$c = Dispatcher::config();
$c->set( 'cdnfsd.cloudfront.access_key', $access_key );
$c->set( 'cdnfsd.cloudfront.secret_key', $secret_key );
$c->set( 'cdnfsd.cloudfront.distribution_id', $distribution_id );
$c->set( 'cdnfsd.cloudfront.distribution_domain', $distribution_domain );
$c->save();
$details = array(
'name' => $distribution['Distribution']['Comment'],
'home_domain' => Util_Environment::home_url_host(),
'dns_cname_target' => $distribution_domain,
);
include W3TC_DIR . '/Cdnfsd_CloudFront_Popup_View_Success.php';
exit();
}
/**
* Creates an AWS CloudFront API client instance.
*
* @param string $access_key AWS Access Key for authentication.
* @param string $secret_key AWS Secret Key for authentication.
*
* @return \Aws\CloudFront\CloudFrontClient Instance of the CloudFront API client.
*/
private function _api( $access_key, $secret_key ) {
if ( empty( $access_key ) && empty( $secret_key ) ) {
$credentials = \Aws\Credentials\CredentialProvider::defaultProvider();
} else {
$credentials = new \Aws\Credentials\Credentials( $access_key, $secret_key );
}
return new \Aws\CloudFront\CloudFrontClient(
array(
'credentials' => $credentials,
'region' => 'us-east-1',
'version' => '2018-11-05',
)
);
}
}