425 lines
11 KiB
PHP
425 lines
11 KiB
PHP
<?php
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/**
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* @brief Wordpress Login Handler
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* @author <a href='https://www.invisioncommunity.com'>Invision Power Services, Inc.</a>
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* @copyright (c) Invision Power Services, Inc.
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* @license https://www.invisioncommunity.com/legal/standards/
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* @package Invision Community
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* @since 11 Oct 2017
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*/
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namespace IPS\Login\Handler\OAuth2;
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/* To prevent PHP errors (extending class does not exist) revealing path */
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use DomainException;
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use IPS\File;
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use IPS\Helpers\Form\Color;
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use IPS\Helpers\Form\Translatable;
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use IPS\Helpers\Form\Upload;
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use IPS\Http\Url;
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use IPS\Lang;
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use IPS\Login;
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use IPS\Login\Exception;
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use IPS\Login\Handler\OAuth2;
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use IPS\Member;
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use RuntimeException;
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use function count;
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use function defined;
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use function is_array;
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use function is_string;
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use const IPS\OAUTH_REQUIRES_HTTPS;
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if ( !defined( '\IPS\SUITE_UNIQUE_KEY' ) )
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{
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header( ( $_SERVER['SERVER_PROTOCOL'] ?? 'HTTP/1.0' ) . ' 403 Forbidden' );
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exit;
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}
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/**
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* Wordpress oAuth Login Handler
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*/
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class Wordpress extends OAuth2
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{
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/**
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* @brief Can we have multiple instances of this handler?
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*/
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public static bool $allowMultiple = TRUE;
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/**
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* Get title
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*
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* @return string
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*/
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public static function getTitle(): string
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{
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return 'login_handler_wordpress';
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}
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/**
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* ACP Settings Form
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*
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* @return array List of settings to save - settings will be stored to core_login_methods.login_settings DB field
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* @code
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return array( 'savekey' => new \IPS\Helpers\Form\[Type]( ... ), ... );
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* @endcode
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*/
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public function acpForm(): array
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{
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$return = array();
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$return[] = array( 'login_handler_wordpress_settings', 'login_handler_wordpress_oauth_info' );
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$accountManagementSettings = array();
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$active = 'return';
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foreach ( parent::acpForm() as $k => $v )
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{
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if ( $v === 'account_management_settings' )
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{
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$active = 'accountManagementSettings';
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}
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if ( !is_string( $v ) and !is_array( $v ) )
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{
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${$active}[ $k ] = $v;
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}
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}
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$endpointValidation = function( $val )
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{
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if ( OAUTH_REQUIRES_HTTPS and $val and $val instanceof Url )
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{
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if ( $val->data[ Url::COMPONENT_SCHEME ] !== 'https' )
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{
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throw new DomainException('authorization_endpoint_https');
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}
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if ( $val->data[ Url::COMPONENT_FRAGMENT ] )
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{
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throw new DomainException('authorization_endpoint_fragment');
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}
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}
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};
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$return['wordpress_url'] = new \IPS\Helpers\Form\Url( 'wordpress_url', $this->settings['wordpress_url'] ?? NULL, NULL, array( 'placeholder' => 'https://example.com/' ), $endpointValidation, NULL, NULL, 'wordpress_url' );
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$return[] = 'login_handler_oauth_ui';
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$return['button_color'] = new Color( 'oauth_custom_button_color', $this->settings['button_color'] ?? '#23282d', NULL, array(), NULL, NULL, NULL, 'button_color' );
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$return['button_text'] = new Translatable( 'oauth_custom_button_text', NULL, NULL, array( 'placeholder' => Member::loggedIn()->language()->addToStack('oauth_custom_button_text_custom_placeholder'), 'app' => 'core', 'key' => ( $this->id ? "core_custom_oauth_{$this->id}" : NULL ) ), NULL, NULL, NULL, 'button_text' );
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$return['button_icon'] = new Upload( 'oauth_custom_button_icon', ( isset( $this->settings['button_icon'] ) and $this->settings['button_icon'] ) ? File::get( 'core_Login', $this->settings['button_icon'] ) : NULL, FALSE, array( 'storageExtension' => 'core_Login' ), NULL, NULL, NULL, 'button_icon' );
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$return[] = 'account_management_settings';
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foreach ( $accountManagementSettings as $k => $v )
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{
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$return[ $k ] = $v;
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}
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return $return;
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}
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/**
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* Save Handler Settings
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*
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* @param array $values Values from form
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* @return array
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*/
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public function acpFormSave( array &$values ): array
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{
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$return = parent::acpFormSave( $values );
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$return['button_icon'] = (string) $return['button_icon'];
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$return['wordpress_url'] = (string) $return['wordpress_url'];
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return $return;
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}
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/**
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* [Node] Format form values from add/edit form for save
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*
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* @param array $values Values from the form
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* @return array
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*/
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public function formatFormValues( array $values ): array
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{
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$parent = parent::formatFormValues( $values );
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if( isset( $values['oauth_custom_button_text'] ) )
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{
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if ( !$this->id )
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{
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$this->save();
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}
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Lang::saveCustom( 'core', "core_custom_oauth_{$this->id}", $values['oauth_custom_button_text'] );
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unset( $values['button_text'] );
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}
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return $parent;
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}
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/**
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* Get the button color
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*
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* @return string
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*/
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public function buttonColor(): string
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{
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return $this->settings['button_color'];
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}
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/**
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* Get the button icon
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*
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* @return string|File
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*/
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public function buttonIcon(): string|File
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{
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return 'wordpress';
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}
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/**
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* Get logo to display in information about logins with this method
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* Returns NULL for methods where it is not necessary to indicate the method, e..g Standard
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*
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* @return Url|string|null
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*/
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public function logoForDeviceInformation(): Url|string|null
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{
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return ( isset( $this->settings['button_icon'] ) and $this->settings['button_icon'] ) ? File::get( 'core_Login', $this->settings['button_icon'] )->url : NULL;
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}
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/**
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* Get logo to display in user cp sidebar
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*
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* @return Url|string|null
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*/
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public function logoForUcp(): Url|string|null
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{
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return $this->logoForDeviceInformation() ?: 'wordpress';
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}
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/**
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* Get button text
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*
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* @return string
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*/
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public function buttonText(): string
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{
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return "core_custom_oauth_{$this->id}";
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}
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/**
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* Should client credentials be sent as an "Authoriation" header, or as POST data?
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*
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* @return string
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*/
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protected function _authenticationType(): string
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{
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return static::AUTHENTICATE_POST; // Just because it's possible their server isn't configured to accept HTTP Authorization whereas we know this will always work
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}
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/**
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* Grant Type
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*
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* @return string
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*/
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protected function grantType(): string
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{
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return 'authorization_code';
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}
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/**
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* Get scopes to request
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*
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* @param array|NULL $additional Any additional scopes to request
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* @return array
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*/
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protected function scopesToRequest( array $additional=NULL ): array
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{
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return array( "profile" );
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}
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/**
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* Authorization Endpoint
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*
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* @param Login $login The login object
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* @return Url
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*/
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protected function authorizationEndpoint( Login $login ): Url
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{
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return Url::external( rtrim( $this->settings['wordpress_url'], "/" ) . "/wp-json/moserver/authorize" );
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}
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/**
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* Token Endpoint
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*
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* @return Url
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*/
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protected function tokenEndpoint(): Url
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{
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return Url::external( rtrim( $this->settings['wordpress_url'], "/" ) . "/wp-json/moserver/token" );
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}
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/**
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* Get authenticated user's identifier (may not be a number)
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*
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* @param string $accessToken Access Token
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* @return string|null
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*/
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protected function authenticatedUserId( string $accessToken ): ?string
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{
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if ( isset( $this->_userData( $accessToken )[ 'username' ] ) )
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{
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return $this->_userData( $accessToken )[ 'username' ];
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}
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return NULL;
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}
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/**
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* Get authenticated user's username
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* May return NULL if server doesn't support this
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*
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* @param string $accessToken Access Token
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* @return string|NULL
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*/
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protected function authenticatedUserName( string $accessToken ): ?string
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{
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if ( isset( $this->_userData( $accessToken )[ 'display_name' ] ) )
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{
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return $this->_userData( $accessToken )[ 'display_name' ];
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}
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return NULL;
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}
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/**
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* Get authenticated user's email address
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* May return NULL if server doesn't support this
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*
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* @param string $accessToken Access Token
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* @return string|NULL
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*/
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protected function authenticatedEmail( string $accessToken ): ?string
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{
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if ( isset( $this->_userData( $accessToken )[ 'email' ] ) )
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{
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return $this->_userData( $accessToken )[ 'email' ];
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}
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return NULL;
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}
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/**
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* Get user's profile photo
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* May return NULL if server doesn't support this
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*
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* @param Member $member Member
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* @return Url|NULL
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* @throws Exception The token is invalid and the user needs to reauthenticate
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* @throws DomainException General error where it is safe to show a message to the user
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* @throws RuntimeException Unexpected error from service
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*/
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public function userProfilePhoto( Member $member ): ?Url
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{
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if ( !( $link = $this->_link( $member ) ) or ( $link['token_expires'] and $link['token_expires'] < time() ) )
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{
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throw new Exception( "", Exception::INTERNAL_ERROR );
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}
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if ( isset( $this->_userData( $link['token_access_token'] )[ 'avatar' ] ) )
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{
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$url = preg_replace( '/^.*src=[\'"](.+?)[\'"].*$/i', '$1', $this->_userData( $link['token_access_token'] )[ 'avatar' ] );
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try
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{
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return Url::external( $url );
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}
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catch ( \Exception $e ) { }
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}
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return NULL;
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}
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/**
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* Get user's profile name
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* May return NULL if server doesn't support this
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*
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* @param Member $member Member
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* @return string|NULL
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* @throws Exception The token is invalid and the user needs to reauthenticate
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* @throws DomainException General error where it is safe to show a message to the user
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* @throws RuntimeException Unexpected error from service
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*/
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public function userProfileName( Member $member ): ?string
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{
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if ( !( $link = $this->_link( $member ) ) or ( $link['token_expires'] and $link['token_expires'] < time() ) )
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{
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throw new Exception( "", Exception::INTERNAL_ERROR );
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}
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return $this->authenticatedUserName( $link['token_access_token'] );
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}
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/**
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* Syncing Options
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*
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* @param Member $member The member we're asking for (can be used to not show certain options iof the user didn't grant those scopes)
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* @param bool $defaultOnly If TRUE, only returns which options should be enabled by default for a new account
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* @return array
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*/
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public function syncOptions( Member $member, bool $defaultOnly=FALSE ): array
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{
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$return = array();
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if ( ( !isset( $this->settings['update_email_changes'] ) or $this->settings['update_email_changes'] === 'optional' ) )
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{
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$return[] = 'email';
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}
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if ( isset( $this->settings['update_name_changes'] ) and $this->settings['update_name_changes'] === 'optional' )
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{
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$return[] = 'name';
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}
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return $return;
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}
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/**
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* @brief Cached user data
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*/
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protected array $_cachedUserData = array();
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/**
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* Get user data
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*
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* @param string $accessToken Access Token
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* @throws Exception The token is invalid and the user needs to reauthenticate
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* @throws RuntimeException Unexpected error from service
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*/
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protected function _userData( string $accessToken ): array
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{
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if ( !isset( $this->_cachedUserData[ $accessToken ] ) )
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{
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$data = Url::external( rtrim( $this->settings['wordpress_url'], "/" ) . "/wp-json/moserver/resource" )
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->request()
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->setHeaders( array(
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'Authorization' => "Bearer {$accessToken}"
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) )
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->get()
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->decodeJson();
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/* As with the Custom handler - if we did not get expected data, try using the query string method. */
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if ( !count( $data ) )
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{
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$data = Url::external( rtrim( $this->settings['wordpress_url'], "/" ) . "/wp-json/moserver/resource" )
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->setQueryString( 'access_token', $accessToken )
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->request()
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->get()
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->decodeJson();
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}
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$this->_cachedUserData[ $accessToken ] = $data;
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}
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return $this->_cachedUserData[ $accessToken ];
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}
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/**
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* Forgot Password URL
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*
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* @return Url|NULL
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*/
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public function forgotPasswordUrl(): ?Url
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{
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return Url::external( rtrim( $this->settings['wordpress_url'], "/" ) . "/wp-login.php?action=lostpassword" );
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}
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} |