activation.php

<?php
/***********************************************
* Include the verification functions
* These functions are the same throughout all addons
***********************************************/
if ( file_exists( get_template_directory() . '/inc/addons/verification.php' ) ) :
	require get_template_directory() . '/inc/addons/verification.php';
else :
	require plugin_dir_path( __FILE__ ) . 'verification.php';
endif;

/***********************************************
* Add the plugin activate button
***********************************************/
if ( ! function_exists( 'generate_add_colors_activate_button' ) ) :
	add_action('generate_product_table','generate_add_colors_activate_button', 1);
	function generate_add_colors_activate_button()
	{
		$key = get_option( 'gen_colors_license_key_status', 'deactivated' );
		$email_status = get_option( 'generate_customer_email_status', '' );
		$downloads = get_option( 'generate_purchased_products', '' );
		$download = 'Generate Colors';
		( defined('GENERATE_COLORS_VERSION') ) ? $version = GENERATE_COLORS_VERSION  : $version = '';

		if ( 'valid' !== $email_status )
			return;
				
		if ( '' == $downloads )
			return;
				
		if ( !in_array( 'Generate Colors', $downloads ) )
			return;
		?>
		<?php if( $key !== 'deactivated' && $email_status == 'valid' ) { ?>
			<tr class="alternate">
				<td class="addon_name column-addon_name">
					<p><strong><?php echo $download;?></strong></p>
				</td>
				<td class="addon_version column-addon_version">
					<p><?php echo $version;?></p>
				</td>
				<td class="addon_status addon-addon_status">
					<span style="color:green;"><?php _e('verified','generate_colors'); ?></span>
				</td>
				<td class="addon_action addon-addon_action">
					<?php wp_nonce_field( 'generate_deactivate_colors_nonce', 'generate_deactivate_colors_nonce' ); ?>
					<input type="submit" class="button-secondary" name="generate_deactivate_colors" value="<?php _e('Deactivate','generate_colors'); ?>"/>
				</td>
			</tr>
		<?php } elseif ( $key == 'deactivated' && $email_status == 'valid' ) { ?>
			<tr class="alternate">
				<td class="addon_name column-addon_name">
					<p><strong><?php echo $download;?></strong></p>
				</td>
				<td class="addon_version column-addon_version">
					<p><?php echo $version;?></p>
				</td>
				<td class="addon_status addon-addon_status">
					<span style="color:red;"><?php _e('unverified','generate_colors'); ?></span>
				</td>
				<td class="addon_action addon-addon_action">
					<?php wp_nonce_field( 'generate_activate_colors_nonce', 'generate_activate_colors_nonce' ); ?>
					<input type="submit" class="button-secondary" name="generate_activate_colors" value="<?php _e('Activate','generate_colors'); ?>"/>
				</td>
			</tr>
		<?php } ?>
		<?php
	}
endif;

/***********************************************
* Activate the plugin
***********************************************/
if ( ! function_exists( 'generate_activate_colors' ) ) :
	add_action('admin_init', 'generate_activate_colors');
	function generate_activate_colors()
	{
		
		if( isset( $_POST['generate_activate_colors'] ) ) {
		
			if( ! check_admin_referer( 'generate_activate_colors_nonce', 'generate_activate_colors_nonce' ) ) 	
				return; // get out if we didn't click the Activate button
				
			$downloads = get_option( 'generate_purchased_products', '' );
			$email_status = get_option( 'generate_customer_email_status', '' );
			$download = 'Generate Colors';
			
			if ( 'valid' !== $email_status )
				return;
				
			if ( '' == $downloads )
				return;
				
			if ( !in_array( $download, $downloads ) )
				return;
				
			$generate_customer_email = get_option( 'generate_customer_email' );
			
			if ( empty($generate_customer_email) )
				return;
			
			$response_get_license = wp_remote_post(
				'http://generatepress.com/api/licenses/check-email.php',
				array(
					'body' => 
					array(
						'generate_action' => 'get_single_license',
						'email' => $generate_customer_email,
						'download' => $download
					)
				)
			);
							
			if ( is_wp_error( $response_get_license ) )
				return false;
							
			$licenses = json_decode(wp_remote_retrieve_body( $response_get_license ), true);
			$license = implode($licenses,',');

			$api_params = array( 
				'edd_action' => 'activate_license', 
				'license' => $license, 
				'item_name' => urlencode( $download ),
				'url' => home_url()
			);

			$license_response = wp_remote_get( add_query_arg( $api_params, 'http://generatepress.com' ), array( 'timeout' => 30, 'sslverify' => false ) );

			if ( is_wp_error( $license_response ) )
				return false;

			$license_data = json_decode( wp_remote_retrieve_body( $license_response ) );
			update_option( 'gen_colors_license_key_status', $license_data->license );
		}
	}
endif;

/***********************************************
* Deactivate the plugin
***********************************************/
if ( ! function_exists( 'generate_deactivate_colors' ) ) :
	add_action('admin_init', 'generate_deactivate_colors');
	function generate_deactivate_colors()
	{
			
		if( isset( $_POST['generate_deactivate_colors'] ) ) {
		
			if( ! check_admin_referer( 'generate_deactivate_colors_nonce', 'generate_deactivate_colors_nonce' ) ) 	
				return; // get out if we didn't click the Activate button
				
			$downloads = get_option( 'generate_purchased_products', '' );
			$email_status = get_option( 'generate_customer_email_status', '' );
			$download = 'Generate Typography';
			
			if ( 'valid' !== $email_status )
				return;
				
			if ( '' == $downloads )
				return;
				
			if ( !in_array( $download, $downloads ) )
				return;
				
			$generate_customer_email = get_option( 'generate_customer_email' );
			
			if ( empty($generate_customer_email) )
				return;
			
			$response_get_license = wp_remote_post(
				'http://generatepress.com/api/licenses/check-email.php',
				array(
					'body' => 
					array(
						'generate_action' => 'get_single_license',
						'email' => $generate_customer_email,
						'download' => $download
					)
				)
			);
							
			if ( is_wp_error( $response_get_license ) )
				return false;
							
			// Got our license - time to turn it into a string and send to server to activation
			$licenses = json_decode(wp_remote_retrieve_body( $response_get_license ), true);
			$license = implode($licenses,',');
							
			$api_params = array( 
				'edd_action' => 'deactivate_license', 
				'license' => $license, 
				'item_name' => urlencode( $download ),
				'url' => home_url()
			);

			$license_response = wp_remote_get( add_query_arg( $api_params, 'http://generatepress.com' ), array( 'timeout' => 15, 'sslverify' => false ) );
			
			if ( is_wp_error( $license_response ) )
				return false;

			$license_data = json_decode( wp_remote_retrieve_body( $license_response ) );
			
			update_option( 'gen_colors_license_key_status', $license_data->license );
		}
	}
endif;