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Omphaloskepsis/plugins/jetpack/json-endpoints/class.wpcom-json-api-sharing-buttons-endpoint.php

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2018-03-21 18:19:20 +00:00
<?php
abstract class WPCOM_JSON_API_Sharing_Button_Endpoint extends WPCOM_JSON_API_Endpoint {
public static $all_visibilities = array( 'visible', 'hidden' );
protected $sharing_service;
protected function setup() {
$this->sharing_service = new Sharing_Service();
if ( ! current_user_can( 'manage_options' ) ) {
return new WP_Error( 'forbidden', 'You do not have the capability to manage sharing buttons for this site', 403 );
} else if ( ! class_exists( 'Sharing_Service' ) || ! class_exists( 'Sharing_Source' ) ||
( method_exists( 'Jetpack', 'is_module_active' ) && ! Jetpack::is_module_active( 'sharedaddy' ) ) ) {
return new WP_Error( 'missing_jetpack_module', 'The Sharing module must be activated in order to use this endpoint', 400 );
}
}
public function format_sharing_button( $button ) {
$response = array(
'ID' => $button->get_id(),
'name' => $button->get_name(),
'shortname' => $button->shortname,
'custom' => is_a( $button, 'Share_Custom' ),
'enabled' => $this->is_button_enabled( $button ),
);
if ( $response['enabled'] ) {
// Status is either "disabled" or the visibility value
$response['visibility'] = $this->get_button_visibility( $button );
}
if ( ! empty( $button->genericon ) ) {
// Only pre-defined sharing buttons include genericon
$response['genericon'] = $button->genericon;
}
if ( method_exists( $button, 'get_options' ) ) {
// merge get_options() values into response, primarily to account
// for custom sharing button values
foreach ( $button->get_options() as $key => $value ) {
// Capitalize URL property
if ( 'url' === strtolower( $key ) ) {
$key = strtoupper( $key );
}
$response[ $key ] = $value;
}
}
return $response;
}
public function get_button_visibility( $button ) {
$services = $this->sharing_service->get_blog_services();
$visibilities = self::$all_visibilities;
$button_id = $button->get_id();
foreach ( $visibilities as $visibility ) {
if ( isset( $services[ $visibility ][ $button_id ] ) ) {
return $visibility;
}
}
return false;
}
public function is_button_enabled( $button ) {
return false !== $this->get_button_visibility( $button );
}
protected function is_button_input_for_custom( $button ) {
return ( isset( $button['custom'] ) && $button['custom'] ) ||
( isset( $button['ID'] ) && 1 === preg_match( '/^custom-/', $button['ID'] ) ) ||
! empty( $button['name'] ) || ! empty( $button['URL'] ) || ! empty( $button['icon'] );
}
protected function validate_button_input( $button, $is_new = false ) {
if ( ! empty( $button['visibility'] ) && ! in_array( $button['visibility'], self::$all_visibilities ) ) {
return new WP_Error( 'invalid_visibility', sprintf( 'The visibility field must be one of the following values: %s', implode( ', ', self::$all_visibilities ) ), 400 );
} else if ( $is_new && empty( $button['URL'] ) ) {
return new WP_Error( 'invalid_request', 'The URL field is required', 400 );
} else if ( $is_new && empty( $button['icon'] ) ) {
return new WP_Error( 'invalid_request', 'The icon field is required', 400 );
}
}
public function create_custom_button( $button ) {
// Default visibility to 'visible' if enabled
if ( empty( $button['visibility'] ) && true === $button['enabled'] ) {
$button['visibility'] = 'visible';
}
$updated_service = $this->sharing_service->new_service( $button['name'], $button['URL'], $button['icon'] );
if ( false !== $updated_service && ( true === $button['enabled'] || ! empty( $button['visibility'] ) ) ) {
$blog_services = $this->sharing_service->get_blog_services();
$blog_services[ $button['visibility'] ][ (string) $updated_service->get_id() ] = $updated_service;
$this->sharing_service->set_blog_services( array_keys( $blog_services['visible'] ), array_keys( $blog_services['hidden'] ) );
}
return $updated_service;
}
public function update_button( $button_id, $button ) {
$blog_services = $this->sharing_service->get_blog_services();
// Find existing button
$all_buttons = $this->sharing_service->get_all_services_blog();
if ( ! array_key_exists( $button_id, $all_buttons ) ) {
// Button doesn't exist
return new WP_Error( 'not_found', 'The specified sharing button was not found', 404 );
}
$updated_service = $all_buttons[ $button_id ];
$service_id = $updated_service->get_id();
if ( is_a( $all_buttons[ $button_id ], 'Share_Custom' ) ) {
// Replace options for existing custom button
$options = $updated_service->get_options();
$name = isset( $button['name'] ) ? $button['name'] : $options['name'];
$url = isset( $button['URL'] ) ? $button['URL'] : $options['url'];
$icon = isset( $button['icon'] ) ? $button['icon'] : $options['icon'];
$updated_service = new Share_Custom( $service_id, array( 'name' => $name, 'url' => $url, 'icon' => $icon ) );
$this->sharing_service->set_service( $button_id, $updated_service );
}
// Default visibility to 'visible' if enabled
if ( empty( $button['visibility'] ) && true === $button['enabled'] ) {
$button['visibility'] = 'visible';
} else if ( false === $button['enabled'] ) {
unset( $button['visibility'] );
}
// Update button visibility and enabled status
$visibility_changed = ( isset( $button['visibility'] ) || true === $button['enabled'] ) && ! array_key_exists( $service_id, $blog_services[ $button['visibility'] ] );
$is_disabling = false === $button['enabled'];
if ( $visibility_changed || $is_disabling ) {
// Remove from all other visibilities
foreach ( $blog_services as $service_visibility => $services ) {
if ( $service_visibility !== $button['visibility'] || $is_disabling ) {
unset( $blog_services[ $service_visibility ][ $service_id ] );
}
}
if ( $visibility_changed ) {
$blog_services[ $button['visibility'] ][ $service_id ] = $updated_service;
}
$this->sharing_service->set_blog_services( array_keys( $blog_services['visible'] ), array_keys( $blog_services['hidden'] ) );
}
return $updated_service;
}
}
class WPCOM_JSON_API_Get_Sharing_Buttons_Endpoint extends WPCOM_JSON_API_Sharing_Button_Endpoint {
// GET /sites/%s/sharing-buttons -> $blog_id
public function callback( $path = '', $blog_id = 0 ) {
$args = $this->query_args();
// Validate request
$blog_id = $this->api->switch_to_blog_and_validate_user( $this->api->get_blog_id( $blog_id ) );
if ( is_wp_error( $blog_id ) ) {
return $blog_id;
}
$continue = $this->setup();
if ( is_wp_error( $continue ) ) {
return $continue;
}
if ( ! empty( $args['visibility'] ) && ! in_array( $args['visibility'], self::$all_visibilities ) ) {
return new WP_Error( 'invalid_visibility', sprintf( 'The visibility field must be one of the following values: %s', implode( ', ', self::$all_visibilities ) ), 400 );
}
// Determine which visibilities to include based on request
$visibilities = empty( $args['visibility'] ) ? self::$all_visibilities : array( $args['visibility'] );
// Discover enabled services
$buttons = array();
$enabled_services = $this->sharing_service->get_blog_services();
$all_services = $this->sharing_service->get_all_services_blog();
// Include buttons of desired visibility
foreach ( $visibilities as $visibility ) {
$buttons = array_merge( $buttons, $enabled_services[ $visibility ] );
}
// Unless `enabled_only` or `visibility` is specified, append the
// remaining buttons to the end of the array
if ( ( ! isset( $args['enabled_only'] ) || ! $args['enabled_only'] ) && empty( $args['visibility'] ) ) {
foreach ( $all_services as $id => $button ) {
if ( ! array_key_exists( $id, $buttons ) ) {
$buttons[ $id ] = $button;
}
}
}
// Format each button in the response
$response = array();
foreach ( $buttons as $button ) {
$response[] = $this->format_sharing_button( $button );
}
return array(
'found' => count( $response ),
'sharing_buttons' => $response
);
}
}
class WPCOM_JSON_API_Get_Sharing_Button_Endpoint extends WPCOM_JSON_API_Sharing_Button_Endpoint {
// GET /sites/%s/sharing-buttons/%s -> $blog_id, $button_id
public function callback( $path = '', $blog_id = 0, $button_id = 0 ) {
// Validate request
$blog_id = $this->api->switch_to_blog_and_validate_user( $this->api->get_blog_id( $blog_id ) );
if ( is_wp_error( $blog_id ) ) {
return $blog_id;
}
$continue = $this->setup();
if ( is_wp_error( $continue ) ) {
return $continue;
}
// Search existing services for button
$all_buttons = $this->sharing_service->get_all_services_blog();
if ( ! array_key_exists( $button_id, $all_buttons ) ) {
return new WP_Error( 'not_found', 'The specified sharing button was not found', 404 );
} else {
return $this->format_sharing_button( $all_buttons[ $button_id ] );
}
}
}
class WPCOM_JSON_API_Update_Sharing_Buttons_Endpoint extends WPCOM_JSON_API_Sharing_Button_Endpoint {
// POST /sites/%s/sharing-buttons -> $blog_id
public function callback( $path = '', $blog_id = 0 ) {
$input = $this->input();
// Validate request
$blog_id = $this->api->switch_to_blog_and_validate_user( $this->api->get_blog_id( $blog_id ) );
if ( is_wp_error( $blog_id ) ) {
return $blog_id;
}
$continue = $this->setup();
if ( is_wp_error( $continue ) ) {
return $continue;
}
$all_buttons = $this->sharing_service->get_all_services_blog();
if ( ! isset( $input['sharing_buttons'] ) ) {
$input['sharing_buttons'] = array();
}
// We do a first pass of all buttons to verify that no validation
// issues exist before continuing to update
foreach ( $input['sharing_buttons'] as $button ) {
$button_exists = isset( $button['ID'] ) && array_key_exists( $button['ID'], $all_buttons );
$is_custom = $this->is_button_input_for_custom( $button );
// If neither custom nor existing, bail
if ( ! $button_exists && ! $is_custom ) {
return new WP_Error( 'not_found', 'The specified sharing button was not found', 404 );
}
// Validate input, only testing custom values if the button doesn't
// already exist
$validation_error = $this->validate_button_input( $button, ! $button_exists );
if ( is_wp_error( $validation_error ) ) {
return $validation_error;
}
}
// Reset all existing buttons
$this->sharing_service->set_blog_services( array(), array() );
// Finally, we iterate over each button and update or create
$success = true;
$updated = array();
foreach ( $input['sharing_buttons'] as $button ) {
$button_exists = isset( $button['ID'] ) && array_key_exists( $button['ID'], $all_buttons );
if ( $button_exists ) {
$updated_service = $this->update_button( $button['ID'], $button );
} else {
$updated_service = $this->create_custom_button( $button );
}
// We'll allow the request to continue if a failure occurred, but
// log it for the response
if ( false === $updated_service ) {
$success = false;
} else {
$updated[] = $this->format_sharing_button( $updated_service );
}
}
return array(
'success' => $success,
'updated' => $updated
);
}
}
class WPCOM_JSON_API_Update_Sharing_Button_Endpoint extends WPCOM_JSON_API_Sharing_Button_Endpoint {
// POST /sites/%s/sharing-buttons/new -> $blog_id
// POST /sites/%s/sharing-buttons/%s -> $blog_id, $button_id
public function callback( $path = '', $blog_id = 0, $button_id = 0 ) {
$new = $this->api->ends_with( $path, '/new' );
$input = $this->input();
// Validate request
$blog_id = $this->api->switch_to_blog_and_validate_user( $this->api->get_blog_id( $blog_id ) );
if ( is_wp_error( $blog_id ) ) {
return $blog_id;
}
$continue = $this->setup();
if ( is_wp_error( $continue ) ) {
return $continue;
}
$validation_error = $this->validate_button_input( $input, $new );
if ( is_wp_error( $validation_error ) ) {
return $validation_error;
}
// Update or create button
if ( $new ) {
$updated_service = $this->create_custom_button( $input );
} else {
$updated_service = $this->update_button( $button_id, $input );
}
if ( false === $updated_service ) {
return new WP_Error( 'invalid_request', sprintf( 'The sharing button was not %s', $new ? 'created' : 'updated' ), 400 );
} else if ( is_wp_error( $updated_service ) ) {
return $updated_service;
} else {
return $this->format_sharing_button( $updated_service );
}
}
}
class WPCOM_JSON_API_Delete_Sharing_Button_Endpoint extends WPCOM_JSON_API_Sharing_Button_Endpoint {
// POST /sites/%s/sharing-buttons/%s/delete -> $blog_id, $button_id
public function callback( $path = '', $blog_id = 0, $button_id = 0 ) {
// Validate request
$blog_id = $this->api->switch_to_blog_and_validate_user( $this->api->get_blog_id( $blog_id ) );
if ( is_wp_error( $blog_id ) ) {
return $blog_id;
}
$continue = $this->setup();
if ( is_wp_error( $continue ) ) {
return $continue;
}
// Find existing button
$all_buttons = $this->sharing_service->get_all_services_blog();
if ( ! array_key_exists( $button_id, $all_buttons ) ) {
// Button doesn't exist
return new WP_Error( 'not_found', 'The specified sharing button was not found', 404 );
}
// Verify button is custom
if ( ! is_a( $all_buttons[ $button_id ], 'Share_Custom' ) ) {
return new WP_error( 'invalid_request', 'Only custom sharing buttons can be deleted', 400 );
}
$success = $this->sharing_service->delete_service( $button_id );
return array(
'ID' => $button_id,
'success' => $success
);
}
}