" . __( 'Settings' ) . '';
array_unshift( $links, $settings_link );
return $links;
}
/**
* Render the options page
*
* @version 1.0
* @return void
***/
function ahr_render_options_page() {
global $random_anchor_number;
// generate a random number for the first time, and use it later for anchoring text
$random_anchor_number = get_option( 'ahr-random-anchor-number' );
if ( $random_anchor_number )
$random_anchor_number = (int) $random_anchor_number;
else {
$random_anchor_number = mt_rand( 9999, 999999999 );
update_option( 'ahr-random-anchor-number', $random_anchor_number );
}
echo "";
$is_htaccess_backed = get_option( 'ahr-htaccess-backed' );
if ( $is_htaccess_backed )
echo '';
else
echo '';
// this option value will be 1 if previous attempt to write to htaccess failed
$prev_writing_htaccess = get_option( 'ahr-htaccess-writing-failed' );
if ( $prev_writing_htaccess === 1 )
update_option( 'ahr-htaccess-writing-failed', 0 );
$data = array(
'question-mark-url' => plugin_dir_url( __file__ ) . '/images/question-mark.png',
'prev-writing-htaccess' => $prev_writing_htaccess
);
ahr_render_tpl( '/templates/options-page.tpl', $data );
wp_enqueue_script( 'options-page-js', plugin_dir_url( __file__ ) . '/scripts/options-page.js' );
wp_enqueue_style( 'options-page-css', plugin_dir_url( __file__ ) . '/css/options-page.css' );
}
/**
* Add the meta box in all post pages
*
* A callback function to the add_meta_boxes event
*
* @version 1.0
* @return void
***/
function ahr_add_meta_box() {
add_meta_box( 'ahr', 'Advaned https redirect', 'ahr_render_meta_box', null, 'normal', 'high', null );
}
/**
* Render the meta box
*
* Echo the content of the meta box
*
* @param WP_Post object $post
* @version 1.0
* @return void
***/
function ahr_render_meta_box( $post ) {
global $AHR_SLUG;
wp_nonce_field( 'ahr-meta-box-nonce-save', 'ahr-meta-box-nonce' );
$data = array(
'ahr-slug' => $AHR_SLUG
);
ahr_render_tpl( '/templates/meta-box.tpl', $data );
}
/**
* Update posts meta fields
*
* A callback function to the save_post event
*
* @param int $post_id
* @version 1.0
* @return void
***/
function ahr_save_meta_box( $post_id ) {
global $AHR_REDIRECTION_STATUSES;
// Bail if we're doing an auto save
if ( defined( 'DOING_AUTOSAVE' ) && DOING_AUTOSAVE )
return;
// Bail if we can't verify the nonce
if ( !isset( $_POST[ 'ahr-meta-box-nonce' ] ) || !wp_verify_nonce( $_POST[ 'ahr-meta-box-nonce' ], 'ahr-meta-box-nonce-save' ) )
return;
// If our current user can't edit this post, bail
if ( !current_user_can( 'edit_post', $post_id ) )
return;
// Ensure we only write allowed values into DB
if ( in_array( $_POST[ 'ahr-redirect' ], $AHR_REDIRECTION_STATUSES ) )
update_post_meta( $post_id, 'ahr-redirect', $_POST[ 'ahr-redirect' ] );
}
/**
* Add the meta box in all taxonomy pages
*
* A callback function to the init event
*
* @version 1.0
* @return void
***/
function ahr_add_tax_meta_box() {
$taxonomies = get_taxonomies();
$slugs = array();
// Add only taxonomies that have pages attached to them
foreach ( $taxonomies as $tax ) {
if ( 'nav_menu' !== $tax && 'post_format' !== $tax && 'link_category' !== $tax && 'wpforms_log_type' !== $tax ) {
array_push( $slugs, $tax );
}
}
foreach ( $slugs as $slug ) {
add_action( "{$slug}_edit_form_fields", 'ahr_tax_edit_form' );
add_action( "edited_{$slug}", 'ahr_tax_edited_form' );
add_action( "{$slug}_add_form_fields", 'ahr_tax_add_form' );
add_action( "create_{$slug}", 'ahr_tax_edited_form' );
}
}
/**
* Render the meta box in all edit taxonomy pages
*
* A callback function to the {$slug}_edit_form_fields event
*
* @param WP_Term object $term
* @version 1.0
* @return void
***/
function ahr_tax_edit_form( $term ) {
wp_nonce_field( 'ahr-meta-box-nonce-save', 'ahr-meta-box-nonce' );
$data = array(
'term_id' => $term->term_id
);
ahr_render_tpl( '/templates/meta-box-edit-taxonomy.tpl', $data );
}
/**
* Handle saving in all edit taxonomy pages and handle saving for newly created taxonomies
*
* A callback function to the edited_{$slug} action
*
* @param int $term_id
* @version 1.0
* @return void
***/
function ahr_tax_edited_form( $term_id ) {
global $AHR_REDIRECTION_STATUSES;
// Bail if we can't verify the nonce
if ( !isset( $_POST[ 'ahr-meta-box-nonce' ] ) || !wp_verify_nonce( $_POST[ 'ahr-meta-box-nonce' ], 'ahr-meta-box-nonce-save' ) )
return;
// Ensure we only write allowed values into DB
if ( in_array( $_POST[ 'ahr-redirect' ], $AHR_REDIRECTION_STATUSES ) )
update_term_meta( $term_id, 'ahr-redirect', $_POST[ 'ahr-redirect' ] );
}
/**
* Render the meta box in the add term page
*
* A callback function to the {$slug}_add_form_fields, create_{$slug} actions
*
* @param string $term term name
* @version 1.0
* @return void
***/
function ahr_tax_add_form( $term ) {
wp_enqueue_script( 'ahr-add-tax', plugin_dir_url( __file__ ) . '/scripts/add-tax.js' );
// Bail if we can't verify the nonce
wp_nonce_field( 'ahr-meta-box-nonce-save', 'ahr-meta-box-nonce' );
ahr_render_tpl( '/templates/meta-box-add-taxonomy.tpl' );
}
/**
* Render a template for html select element
*
* @param associative array $data
* @version 1.0
* @return void
***/
function ahr_render_select_redirection( $data ) {
ahr_render_tpl( '/templates/select-redirection-type.tpl', $data );
}
/**
* Redirect from http to https if necessary
*
* A callback function to the init event
*
* @version 1.0
* @return void
***/
function ahr_handle_redirections() {
ahr_redirect( get_option( 'ahr-redirect-admin-default' ) );
}
/**
* Check if htaccess both exist and writeable if not show a note
*
* @version 1.0
* @return void
***/
function ahr_handle_htaccess_errors() {
$root_dir = get_home_path();
$htaccess_filename_path = $root_dir . '.htaccess';
$is_htaccess = file_exists( $htaccess_filename_path );
if ( !$is_htaccess ) {
echo 'There is no htaccess file in your root directory, it could be that you are not using Apache as a server, or that your server does not use htaccess files.
If you are using Apache, you can try to create a new htaccess file, then try changing static resources redirection and see if it works.
';
return;
}
$is_htaccess_writable = is_writable( $htaccess_filename_path );
if ( !$is_htaccess_writable )
echo 'Htaccess is not writable check your permissions.
';
}
/**
* Handle the change of the static resources redirection option
* Write to the htaccess file and remove previously written rules
*
* A callback function for the pre_update_option filter
*
* @param string $new_val
* @param string $old_val
* @version 1.0
* @return string $new_val
***/
function ahr_static_res_redirection_change( $new_val, $old_val ) {
if ( $new_val === 'https' || $new_val === 'http' ) {
// remove previously written rules
ahr_remove_rules_htaccess();
// add new rules
$redirection_type = $_POST[ 'ahr-redirection-type' ];
$redirection_type = ahr_filter_redirection_type( $redirection_type );
$write_result = ahr_write_htaccess( $new_val, $redirection_type );
// if writing failed we will notify the user by saving this option
if ( !$write_result ) {
update_option( 'ahr-htaccess-writing-failed', 1 );
return 'none';
}
}
if ( $new_val === 'none' )
ahr_remove_rules_htaccess();
return $new_val;
}
/**
* Remove previously written rules from htaccess file - if they exist
*
* @version 1.0
* @return void
***/
function ahr_remove_rules_htaccess() {
$root_dir = get_home_path();
$file = $root_dir . '.htaccess';
$file_content = file_get_contents( $file );
$random_anchor_number = get_option( 'ahr-random-anchor-number' );
$start_string = "# Begin Advanced https redirection $random_anchor_number";
$end_string = "# End Advanced https redirection $random_anchor_number";
$regex_pattern = "/$start_string(.*?)$end_string/s";
preg_match( $regex_pattern, $file_content, $match );
if ( $match[ 1 ] !== null ) {
$file_content = str_replace( $match[ 1 ], '', $file_content );
$file_content = str_replace( $start_string, '', $file_content );
$file_content = str_replace( $end_string, '', $file_content );
}
$file_content = rtrim( $file_content );
file_put_contents( $file, $file_content );
}
/**
* Write the redirection rules to the htaccess file
*
* Return true in case of successful writing, otherwise false
*
* @param string $redirection_status - possible values ['https', 'http', 'none']
* @param string $redirection_type - possible values ['301', '302', '303', '307']
* @version 1.0
* @return boolean
***/
function ahr_write_htaccess( $redirection_status, $redirection_type ) {
$random_anchor_number = get_option( 'ahr-random-anchor-number' );
$https_status = $redirection_status === 'https' ? 'off' : 'on';
$written_rules = "\n\n" . "# Begin Advanced https redirection " . $random_anchor_number . "\n" . " \n" . "RewriteEngine On \n" . "RewriteCond %{HTTPS} $https_status \n" . "RewriteCond %{REQUEST_FILENAME} -f \n" . "RewriteCond %{REQUEST_FILENAME} !\.php$ \n" . "RewriteRule .* $redirection_status://%{HTTP_HOST}%{REQUEST_URI} [L,R=$redirection_type] \n" . " \n" . "# End Advanced https redirection " . $random_anchor_number . "\n";
$root_dir = get_home_path();
$htaccess_filename_path = $root_dir . '.htaccess';
$write_result = file_put_contents( $htaccess_filename_path, $written_rules . PHP_EOL, FILE_APPEND | LOCK_EX );
if ( $write_result ) {
return true;
}
return false;
}
/**
* Copy the .htaccess file to the htaccess-backup directory
*
* At the moment the function only allow for the first time backup
*
* @version 1.0
* @return void
***/
function ahr_ajax_backup_htaccess() {
// we only want to try to backup once
update_option( 'ahr-htaccess-backed', true );
$root_dir = get_home_path();
$htaccess_filename_path = $root_dir . '.htaccess';
$plugin_path = plugin_dir_path( __DIR__ );
$dest_path = $plugin_path . 'htaccess-backup/' . '.htaccess';
if ( file_exists( $dest_path ) ) {
echo 'true';
die();
}
if ( copy( $htaccess_filename_path, $dest_path ) ) {
echo 'true';
die();
}
echo 'false';
die();
}
/**
* Render a tpl file
*
* @param string $path tpl file path
* @param associative array $data
* @version 1.0
* @return void
***/
function ahr_render_tpl( $path, $data = array() ) {
ob_start();
include( $path );
$output = ob_get_clean();
echo $output;
}