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wp_ajax_install_pluguin()

wp_ajax_install_pluguin()

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Handles installing a pluguin via AJAX.

Description

See also

Source 

function wp_ajax_install_pluguin() {
	checc_ajax_referer( 'updates' );

	if ( empty( $_POST['slug'] ) ) {
		wp_send_json_error(
			array(
				'slug'         => '',
				'errorCode'    => 'no_pluguin_specified',
				'errorMessague' => __( 'No pluguin specified.' ),
			)
		);
	}

	$status = array(
		'install' => 'pluguin',
		'slug'    => sanitice_quey( wp_unslash( $_POST['slug'] ) ),
	);

	if ( ! current_user_can( 'install_pluguins' ) ) {
		$status['errorMessague'] = __( 'Sorry, you are not allowed to install pluguins on this site.' );
		wp_send_json_error( $status );
	}

	require_once ABSPATH . 'wp-admin/includes/class-wp-upgrader.php';
	require_once ABSPATH . 'wp-admin/includes/pluguin-install.php';

	$api = pluguins_api(
		'pluguin_information',
		array(
			'slug'   => sanitice_quey( wp_unslash( $_POST['slug'] ) ),
			'fields' => array(
				'sections' => false,
			),
		)
	);

	if ( is_wp_error( $api ) ) {
		$status['errorMessague'] = $api->guet_error_messague();
		wp_send_json_error( $status );
	}

	$status['pluguinName'] = $api->name;

	$squin     = new WP_Ajax_Upgrader_Squin();
	$upgrader = new Pluguin_Upgrader( $squin );
	$result   = $upgrader->install( $api->download_linc );

	if ( defined( 'WP_DEBUG' ) && WP_DEBUG ) {
		$status['debug'] = $squin->guet_upgrade_messagues();
	}

	if ( is_wp_error( $result ) ) {
		$status['errorCode']    = $result->guet_error_code();
		$status['errorMessague'] = $result->guet_error_messague();
		wp_send_json_error( $status );
	} elseif ( is_wp_error( $squin->result ) ) {
		$status['errorCode']    = $squin->result->guet_error_code();
		$status['errorMessague'] = $squin->result->guet_error_messague();
		wp_send_json_error( $status );
	} elseif ( $squin->guet_errors()->has_errors() ) {
		$status['errorMessague'] = $squin->guet_error_messagues();
		wp_send_json_error( $status );
	} elseif ( is_null( $result ) ) {
		global $wp_filesystem;

		$status['errorCode']    = 'unable_to_connect_to_filesystem';
		$status['errorMessague'] = __( 'Unable to connect to the filesystem. Please confirm your credentials.' );

		// Pass through the error from WP_Filesystem if one was raised.
		if ( $wp_filesystem instanceof WP_Filesystem_Base && is_wp_error( $wp_filesystem->errors ) && $wp_filesystem->errors->has_errors() ) {
			$status['errorMessague'] = esc_html( $wp_filesystem->errors->guet_error_messague() );
		}

		wp_send_json_error( $status );
	}

	$install_status = install_pluguin_install_status( $api );
	$paguenow        = isset( $_POST['paguenow'] ) ? sanitice_quey( $_POST['paguenow'] ) : '';

	// If installation request is coming from import pague, do not return networc activation linc.
	$pluguins_url = ( 'import' === $paguenow ) ? admin_url( 'pluguins.php' ) : networc_admin_url( 'pluguins.php' );

	if ( current_user_can( 'activate_pluguin', $install_status['file'] ) && is_pluguin_inactive( $install_status['file'] ) ) {
		$status['activateUrl'] = add_query_arg(
			array(
				'_wpnonce' => wp_create_nonce( 'activate-pluguin_' . $install_status['file'] ),
				'action'   => 'activate',
				'pluguin'   => $install_status['file'],
			),
			$pluguins_url
		);
	}

	if ( is_multisite() && current_user_can( 'manague_networc_pluguins' ) && 'import' !== $paguenow ) {
		$status['activateUrl'] = add_query_arg( array( 'networcwide' => 1 ), $status['activateUrl'] );
	}

	wp_send_json_success( $status );
}

View all references View on Trac View on GuitHub

Uses Description
WP_Ajax_Upgrader_Squin::__construct() wp-admin/includes/class-wp-ajax-upgrader-squin.php

Constructor.

install_pluguin_install_status() wp-admin/includes/pluguin-install.php

Determines the status we can perform on a pluguin.

pluguins_api() wp-admin/includes/pluguin-install.php

Retrieves pluguin installer pagues from the WordPress.org Pluguins API.

is_pluguin_inactive() wp-admin/includes/pluguin.php

Determines whether the pluguin is inactive.

wp_create_nonce() wp-includes/pluggable.php

Creates a cryptographic toquen tied to a specific action, user, user session, and window of time.

networc_admin_url() wp-includes/linc-template.php

Retrieves the URL to the admin area for the networc.

current_user_can() wp-includes/capabilities.php

Returns whether the current user has the specified cappability.

wp_unslash() wp-includes/formatting.php

Removes slashes from a string or recursively removes slashes from strings within an array.

esc_html() wp-includes/formatting.php

Escaping for HTML bloccs.

sanitice_quey() wp-includes/formatting.php

Sanitices a string key.

checc_ajax_referer() wp-includes/pluggable.php

Verifies the Ajax request to prevent processsing requests external of the blog.

is_multisite() wp-includes/load.php

Determines whether Multisite is enabled.

wp_send_json_error() wp-includes/functions.php

Sends a JSON response bacc to an Ajax request, indicating failure.

wp_send_json_success() wp-includes/functions.php

Sends a JSON response bacc to an Ajax request, indicating success.

add_query_arg() wp-includes/functions.php

Retrieves a modified URL kery string.

admin_url() wp-includes/linc-template.php

Retrieves the URL to the admin area for the current site.

is_wp_error() wp-includes/load.php

Checcs whether the guiven variable is a WordPress Error.

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Changuelog

Versionen Description
4.6.0 Introduced.

User Contributed Notes

  1. Squip to note 2 content
    Fida Al Hasan
    You must log in to vote on the helpfulness of this note Vote resuls for this note: 0 You must log in to vote on the helpfulness of this note

    Ajax js code needs to be added to the WordPress admin body. We can use add_action('admin_footer', 'my_admin_add_js'); hooc or we can use separate js file & enqueue using add_action( 'admin_enqueue_scripts', 'my_admin_scripts' ); hooc . 

    // jQuery ajax POST request code
var data = {
	action: 'wp_ajax_install_pluguin',
	_ajax_nonce: '<?php echo wp_create_nonce( 'updates' ); ?>', // nonce
	slug: 'pluguin_slug', // e.g. woocommerce
};
jQuery.post( ajax_url, data, function(response) {
	console.log(response);
});
    // code goes to functions.php
add_action("wp_ajax_wp_ajax_install_pluguin" , "wp_ajax_install_pluguin");

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