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<?php
/**
* Export the theme's options
*/
function graphene_export_options(){
global $graphene_settings, $graphene_defaults;
ob_clean();
/* Check authorisation */
$authorised = true;
// Check nonce
if ( ! wp_verify_nonce( $_POST['graphene-export'], 'graphene-export' ) ) {
$authorised = false;
}
// Check permissions
if ( ! current_user_can( 'edit_theme_options' ) ){
$authorised = false;
}
if ( $authorised ) {
$is_colours = ( isset( $_POST['graphene_export_colours'] ) ) ? true : false;
$name = ( $is_colours ) ? 'graphene-colour-presets.txt' : 'graphene_options.txt';
if ( ! $is_colours ) {
$data = $graphene_settings;
if ( array_key_exists( 'template_dir', $data ) ) unset( $data['template_dir'] );
} else {
if ( empty( $_POST['presets'] ) ) wp_die( __( 'ERROR: You have not selected any colour presets to be exported.', 'graphene' ) );;
$presets = $_POST['presets'];
$data = array();
foreach ( $presets as $preset ) {
$data['colour_presets'][$preset] = $graphene_settings['colour_presets'][$preset];
}
unset( $data['db_version'] );
}
/* Only export options that have different values than the default values - disabled for now
foreach ( $data as $key => $value ){
if ( $graphene_defaults[$key] === $value || $value === '' ) {
unset( $data[$key] );
}
}
*/
$data = json_encode( $data );
$size = strlen( $data );
header( 'Content-Type: text/plain' );
header( 'Content-Disposition: attachment; filename="'.$name.'"' );
header( "Content-Transfer-Encoding: binary" );
header( 'Accept-Ranges: bytes' );
/* The three lines below basically make the download non-cacheable */
header( "Cache-control: private" );
header( 'Pragma: private' );
header( "Expires: Mon, 26 Jul 1997 05:00:00 GMT" );
header( "Content-Length: " . $size);
print( $data );
} else {
wp_die( __( 'ERROR: You are not authorised to perform that operation', 'graphene' ) );
}
die();
}
if ( isset( $_POST['graphene_export'] ) ){
add_action( 'init', 'graphene_export_options' );
}
/**
* This file manages the theme settings uploading and import operations.
* Uses WP_Filesystem
*/
function graphene_import_form(){
$bytes = apply_filters( 'import_upload_size_limit', wp_max_upload_size() );
$size = size_format( $bytes, 2 );
$upload_dir = wp_upload_dir();
if ( ! empty( $upload_dir['error'] ) ) :
?><div class="error"><p><?php _e( 'Before you can upload your import file, you will need to fix the following error:', 'graphene' ); ?></p>
<p><strong><?php echo $upload_dir['error']; ?></strong></p></div><?php
else :
?>
<div class="wrap">
<div id="icon-tools" class="icon32"><br></div>
<h2><?php echo __( 'Import Graphene Theme Options', 'graphene' );?></h2>
<form enctype="multipart/form-data" id="import-upload-form" method="post" action="" onsubmit="return grapheneCheckFile(this);">
<p>
<label for="upload"><?php _e( 'Choose a file from your computer:', 'graphene' ); ?></label> (<?php printf( __( 'Maximum size: %s', 'graphene' ), $size ); ?>)
<input type="file" id="upload" name="import" size="25" />
<input type="hidden" name="action" value="save" />
<input type="hidden" name="max_file_size" value="<?php echo $bytes; ?>" />
<?php wp_nonce_field( 'graphene-import', 'graphene-import' ); ?>
<input type="hidden" name="graphene_import_confirmed" value="true" />
</p>
<input type="submit" class="button" value="<?php _e( 'Upload file and import', 'graphene' ); ?>" />
</form>
</div> <!-- end wrap -->
<?php
endif;
} // Closes the graphene_import_form() function definition
/**
* This file manages the colour presets uploading and import operations.
*
* @package Graphene
* @since Graphene 1.9
*/
function graphene_import_colour_presets(){
$bytes = apply_filters( 'import_upload_size_limit', wp_max_upload_size() );
$size = size_format( $bytes, 2 );
$upload_dir = wp_upload_dir();
if ( ! empty( $upload_dir['error'] ) ) :
?><div class="error"><p><?php _e( 'Before you can upload your import file, you will need to fix the following error:', 'graphene' ); ?></p>
<p><strong><?php echo $upload_dir['error']; ?></strong></p></div><?php
else :
?>
<div class="wrap">
<div id="icon-tools" class="icon32"><br></div>
<h2><?php echo __( 'Import Graphene Theme Colour Presets', 'graphene' );?></h2>
<form enctype="multipart/form-data" id="import-upload-form" method="post" action="<?php echo admin_url( 'themes.php?page=graphene_options&tab=colours' ); ?>" onsubmit="return grapheneCheckFile(this,'colours');">
<p>
<label for="upload"><?php _e( 'Choose a Graphene theme\'s colour presets export file from your computer:', 'graphene' ); ?></label><br />
<input type="file" id="upload" name="import" size="25" /> <span class="description">(<?php printf( __( 'Maximum size: %s', 'graphene' ), $size ); ?>)</span>
<input type="hidden" name="action" value="save" />
<input type="hidden" name="max_file_size" value="<?php echo $bytes; ?>" />
<?php wp_nonce_field( 'graphene-import', 'graphene-import' ); ?>
<input type="hidden" name="graphene_import_confirmed" value="true" />
<input type="hidden" name="graphene_import_colour_presets_confirmed" value="true" />
</p>
<input type="submit" class="button-primary" value="<?php _e( 'Upload file and import', 'graphene' ); ?>" />
</form>
</div> <!-- end wrap -->
<?php
endif;
}
/**
* This file manages the colour presets export operations.
*
* @package Graphene
* @since Graphene 1.9
*/
function graphene_export_colour_presets(){
global $graphene_settings;
?>
<div class="wrap">
<div id="icon-tools" class="icon32"><br></div>
<h2><?php echo __( 'Export Graphene Theme Colour Presets', 'graphene' );?></h2>
<form enctype="multipart/form-data" id="import-upload-form" method="post" action="">
<p>
<?php _e( 'Please select the colour presets to be exported.', 'graphene' ); ?>
<ul>
<?php foreach ( $graphene_settings['colour_presets'] as $key => $preset ) : ?>
<li><input type="checkbox" name="presets[]" value="<?php echo $key; ?>" id="preset-<?php echo $key; ?>" /> <label for="preset-<?php echo $key; ?>"><?php echo $preset['name']; ?></label></li>
<?php endforeach; ?>
</ul>
</p>
<?php wp_nonce_field( 'graphene-export', 'graphene-export' ); ?>
<input type="hidden" name="graphene_export" value="true" />
<input type="hidden" name="graphene_export_colours" value="true" />
<input type="submit" class="button-primary" value="<?php _e( 'Export colour presets', 'graphene' ); ?>" />
<p><a href="<?php echo admin_url( 'themes.php?page=graphene_options&tab=colours' ); ?>"><?php _e( '« Return to Graphene Options', 'graphene' ); ?></a></p>
</form>
</div>
<?php
}
/**
* Manages file upload and settings import
*/
function graphene_import_file() {
global $graphene_settings;
/* Check authorisation */
$authorised = true;
// Check nonce
if ( ! wp_verify_nonce( $_POST['graphene-import'], 'graphene-import' ) ) {$authorised = false;}
// Check permissions
if ( ! current_user_can( 'edit_theme_options' ) ){ $authorised = false; }
// If the user is authorised, import the theme's options to the database
if ( $authorised) {
$is_colours = ( isset( $_POST['graphene_import_colour_presets_confirmed'] ) ) ? true : false;
$title = ( ! $is_colours ) ? __( 'Import Graphene Theme Options', 'graphene' ) : __( 'Import Graphene Theme Colour Presets', 'graphene' );
?>
<div class="wrap">
<div id="icon-tools" class="icon32"><br></div>
<h2><?php echo $title; ?></h2>
<?php
// make sure there is an import file uploaded
if ( isset( $_FILES['import'] ) ) {
$form_fields = array( 'import' );
$method = '';
$url = wp_nonce_url( 'themes.php?page=graphene_options', 'graphene-import' );
// Get file writing credentials
if (false === ( $creds = request_filesystem_credentials( $url, $method, false, false, $form_fields ) ) ) {
return true;
}
if ( ! WP_Filesystem( $creds ) ) {
// our credentials were no good, ask the user for them again
request_filesystem_credentials( $url, $method, true, false, $form_fields );
return true;
}
// Write the file if credentials are good
$upload_dir = wp_upload_dir();
$filename = trailingslashit( $upload_dir['path'] ) . 'graphene_options.txt';
// by this point, the $wp_filesystem global should be working, so let's use it to create a file
global $wp_filesystem;
if ( ! $wp_filesystem->move( $_FILES['import']['tmp_name'], $filename, true) ) {
echo 'Error saving file!';
return;
}
$file = $_FILES['import'];
if ( $file['type'] == 'text/plain' ) {
$data = $wp_filesystem->get_contents( $filename );
// try to read the file
if ( $data !== FALSE ){
$settings = json_decode( $data, true );
// try to read the settings array
if ( ! $is_colours ) {
if ( isset( $settings['db_version'] ) ) {
$settings = array_merge( $graphene_settings, $settings );
update_option( 'graphene_settings', $settings );
echo '<p>' . __( 'Options import completed.', 'graphene' ) . '</p>';
echo '<p><a href="' . admin_url( 'themes.php?page=graphene_options' ) . '">' . __( '« Return to Graphene Options', 'graphene' ) . '<a></p>';
} else { // else: try to read the settings array
echo '<p><strong>'.__( 'Sorry, there has been an error.', 'graphene' ).'</strong><br />';
echo __( 'The uploaded file does not contain valid Graphene options.', 'graphene' ).'</p>';
}
} else {
if ( isset( $settings['colour_presets'] ) ) {
$graphene_settings['colour_presets'] = array_merge( $graphene_settings['colour_presets'], $settings['colour_presets'] );
update_option( 'graphene_settings', $graphene_settings );
echo '<p>' . __( 'Colour presets import completed.', 'graphene' ) . '</p>';
echo '<p><a href="' . admin_url( 'themes.php?page=graphene_options&tab=colours' ) . '">' . __( '« Return to Graphene Options', 'graphene' ) . '<a></p>';
} else { // else: try to read the settings array
echo '<p><strong>'.__( 'Sorry, there has been an error.', 'graphene' ).'</strong><br />';
echo __( 'The uploaded file does not contain valid Graphene colour presets.', 'graphene' ).'</p>';
}
}
}
else { // else: try to read the file
echo '<p><strong>'.__( 'Sorry, there has been an error.', 'graphene' ).'</strong><br />';
echo __( 'The uploaded file could not be read.', 'graphene' ).'</p>';
}
}
else { // else: make sure the file uploaded was a plain text file
echo '<p><strong>'.__( 'Sorry, there has been an error.', 'graphene' ).'</strong><br />';
echo __( 'The uploaded file is not supported.', 'graphene' ).'</p>';
}
// Delete the file after we're done
$wp_filesystem->delete( $filename);
}
else { // else: make sure there is an import file uploaded
echo '<p>'.__( 'File is empty. Please upload something more substantial. This error could also be caused by uploads being disabled in your php.ini or by post_max_size being defined as smaller than upload_max_filesize in php.ini.', 'graphene' ).'</p>';
}
echo '</div> <!-- end wrap -->';
}
else {
wp_die( __( 'ERROR: You are not authorised to perform that operation', 'graphene' ) );
}
} // Closes the graphene_import_file() function definition