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Add import font library fonts #160

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Add import font library fonts #160

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ac4c271
start implementing import fonts
matiasbenedetto Feb 23, 2024
0144e8c
import font face assets and update global styles urls
matiasbenedetto Mar 19, 2024
708e406
yoda condition
matiasbenedetto Mar 19, 2024
b6a5e4b
always import fonts
matiasbenedetto Mar 20, 2024
f05273b
handle json decoding error
matiasbenedetto Mar 20, 2024
b9cfdf1
lint
matiasbenedetto Mar 20, 2024
28e704e
unfo formatting in a unchaged part of the code
matiasbenedetto Mar 20, 2024
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211 changes: 180 additions & 31 deletions src/class-wp-import.php
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Original file line number Diff line number Diff line change
Expand Up @@ -93,6 +93,7 @@ function import( $file ) {
$this->backfill_parents();
$this->backfill_attachment_urls();
$this->remap_featured_images();
$this->remap_global_styles_fonts();

$this->import_end();
}
Expand Down Expand Up @@ -675,8 +676,7 @@ function process_posts() {
if ( $post_exists && get_post_type( $post_exists ) == $post['post_type'] ) {
printf( __( '%1$s “%2$s” already exists.', 'wordpress-importer' ), $post_type_object->labels->singular_name, esc_html( $post['post_title'] ) );
echo '<br />';
$comment_post_id = $post_exists;
$post_id = $post_exists;
$post_id = $post_exists;
$this->processed_posts[ intval( $post['post_id'] ) ] = intval( $post_exists );
} else {
$post_parent = (int) $post['post_parent'];
Expand Down Expand Up @@ -723,29 +723,44 @@ function process_posts() {

$postdata = wp_slash( $postdata );

if ( 'attachment' == $postdata['post_type'] ) {
$remote_url = ! empty( $post['attachment_url'] ) ? $post['attachment_url'] : $post['guid'];

// try to use _wp_attached file for upload folder placement to ensure the same location as the export site
// e.g. location is 2003/05/image.jpg but the attachment post_date is 2010/09, see media_handle_upload()
$postdata['upload_date'] = $post['post_date'];
if ( isset( $post['postmeta'] ) ) {
foreach ( $post['postmeta'] as $meta ) {
if ( '_wp_attached_file' == $meta['key'] ) {
if ( preg_match( '%^[0-9]{4}/[0-9]{2}%', $meta['value'], $matches ) ) {
$postdata['upload_date'] = $matches[0];
switch ( $postdata['post_type'] ) {
case 'attachment':
$remote_url = ! empty( $post['attachment_url'] ) ? $post['attachment_url'] : $post['guid'];

// try to use _wp_attached file for upload folder placement to ensure the same location as the export site
// e.g. location is 2003/05/image.jpg but the attachment post_date is 2010/09, see media_handle_upload()
$postdata['upload_date'] = $post['post_date'];
if ( isset( $post['postmeta'] ) ) {
foreach ( $post['postmeta'] as $meta ) {
if ( '_wp_attached_file' == $meta['key'] ) {
if ( preg_match( '%^[0-9]{4}/[0-9]{2}%', $meta['value'], $matches ) ) {
$postdata['upload_date'] = $matches[0];
}
break;
}
break;
}
}
}

$comment_post_id = $this->process_attachment( $postdata, $remote_url );
$post_id = $comment_post_id;
} else {
$comment_post_id = wp_insert_post( $postdata, true );
$post_id = $comment_post_id;
do_action( 'wp_import_insert_post', $post_id, $original_post_id, $postdata, $post );
$post_id = $this->process_attachment( $postdata, $remote_url );
break;

case 'wp_font_face':
$postdata = $this->process_font_face( $postdata );

if ( is_wp_error( $postdata ) ) {
// Assing the error to $post_id so it is handled later.
$post_id = $postdata;
break;
}

$post_id = wp_insert_post( $postdata, true );
$post['postmeta'] = $this->process_font_face_postmeta( $post['postmeta'], $postdata );
break;

default:
$post_id = wp_insert_post( $postdata, true );
do_action( 'wp_import_insert_post', $post_id, $original_post_id, $postdata, $post );
break;
}

if ( is_wp_error( $post_id ) ) {
Expand Down Expand Up @@ -820,7 +835,7 @@ function process_posts() {
$inserted_comments = array();
foreach ( $post['comments'] as $comment ) {
$comment_id = $comment['comment_id'];
$newcomments[ $comment_id ]['comment_post_ID'] = $comment_post_id;
$newcomments[ $comment_id ]['comment_post_ID'] = $post_id;
$newcomments[ $comment_id ]['comment_author'] = $comment['comment_author'];
$newcomments[ $comment_id ]['comment_author_email'] = $comment['comment_author_email'];
$newcomments[ $comment_id ]['comment_author_IP'] = $comment['comment_author_IP'];
Expand Down Expand Up @@ -851,7 +866,7 @@ function process_posts() {

$inserted_comments[ $key ] = wp_insert_comment( $comment_data );

do_action( 'wp_import_insert_comment', $inserted_comments[ $key ], $comment, $comment_post_id, $post );
do_action( 'wp_import_insert_comment', $inserted_comments[ $key ], $comment, $post_id, $post );

foreach ( $comment['commentmeta'] as $meta ) {
$value = maybe_unserialize( $meta['value'] );
Expand Down Expand Up @@ -903,8 +918,6 @@ function process_posts() {
}
}
}

unset( $this->posts );
}

/**
Expand Down Expand Up @@ -999,6 +1012,104 @@ function process_menu_item( $item ) {
}
}

/**
* Process the font face data for a post.
*
* @param array $post The post data.
* @return array|WP_Error An array containing the modified post data and the font source URLs, or a WP_Error object if there is an error.
*/
function process_font_face( $post ) {
$post['post_content'] = wp_unslash( $post['post_content'] );
$font_face = json_decode( $post['post_content'], true );

if ( ! $font_face ) {
return new WP_Error(
'font_face_processing_error',
__( 'Invalid font face data', 'wordpress-importer' )
);
}

$src = array();
if ( isset( $font_face['src'] ) ) {
$font_dir = wp_get_font_dir();
$set_upload_dir = function () use ( $font_dir ) {
return $font_dir;
};
add_filter( 'upload_dir', $set_upload_dir );
add_filter( 'upload_mimes', array( 'WP_Font_Utils', 'get_allowed_font_mime_types' ) );

$uploads = array();
if ( is_array( $font_face['src'] ) ) {
foreach ( $font_face['src'] as $src ) {
// $upload = wp_handle_upload( $file );
$uploads = $this->fetch_remote_file( $src );
if ( is_wp_error( $upload ) ) {
return $upload;
}
$uploads[] = $upload;

}
} else {
$upload = $this->fetch_remote_file( $font_face['src'], $font_face );
if ( is_wp_error( $upload ) ) {
return $upload;
}
$uploads[] = $upload;
}

$font_face['src'] = array_map(
function( $upload ) {
return $upload['url'];
},
$uploads
);

remove_filter( 'upload_dir', $set_upload_dir );
remove_filter( 'upload_mimes', array( 'WP_Font_Utils', 'get_allowed_font_mime_types' ) );
}

$post['post_content'] = wp_json_encode( $font_face );
$post['post_content'] = wp_slash( $post['post_content'] );

return $post;
}

function process_font_face_postmeta( $postmeta, $postdata ) {
/*
* Removes all post meta with meta_key _wp_font_face_file.
* Adds the post meta for the font face with the potentially new file names.
*
* Because the assets name could have changed if the file already exists in the uploads folder.
*/
$non_font_face_file_postmeta = array_filter(
$postmeta,
function( $meta ) {
return '_wp_font_face_file' !== $meta['key'];
}
);

$post_content = wp_unslash( $postdata['post_content'] );
$font_face = json_decode( $post_content, true );

if ( ! $font_face ) {
return $postmeta;
}

$new_fonce_face_files_meta = array_map(
function ( $url ) {
return array(
'key' => '_wp_font_face_file',
'value' => basename( $url ),
);
},
$font_face['src']
);

$postmeta = array_merge( $non_font_face_file_postmeta, $new_fonce_face_files_meta );

return $postmeta;
}

/**
* If fetching attachments is enabled then attempt to create a new attachment
*
Expand Down Expand Up @@ -1052,13 +1163,13 @@ function process_attachment( $post, $url ) {
}

/**
* Attempt to download a remote file attachment
* Attempt to download a remote file.
*
* @param string $url URL of item to fetch
* @param array $post Attachment details
* @param array $post optional. Post details.
* @return array|WP_Error Local file location details on success, WP_Error otherwise
*/
function fetch_remote_file( $url, $post ) {
function fetch_remote_file( $url, $post = array() ) {
// Extract the file name from the URL.
$path = parse_url( $url, PHP_URL_PATH );
$file_name = '';
Expand Down Expand Up @@ -1175,7 +1286,10 @@ function fetch_remote_file( $url, $post ) {
return new WP_Error( 'import_file_error', __( 'Sorry, this file type is not permitted for security reasons.', 'wordpress-importer' ) );
}

$uploads = wp_upload_dir( $post['upload_date'] );
// $upload_date is used to determine the upload folder of attachments but not for font assets.
$upload_date = isset( $post['upload_date'] ) ? $post['upload_date'] : null;

$uploads = wp_upload_dir( $upload_date );
if ( ! ( $uploads && false === $uploads['error'] ) ) {
return new WP_Error( 'upload_dir_error', $uploads['error'] );
}
Expand Down Expand Up @@ -1203,8 +1317,10 @@ function fetch_remote_file( $url, $post ) {
);

// keep track of the old and new urls so we can substitute them later
$this->url_remap[ $url ] = $upload['url'];
$this->url_remap[ $post['guid'] ] = $upload['url']; // r13735, really needed?
$this->url_remap[ $url ] = $upload['url'];
if ( isset( $post['guid'] ) ) {
$this->url_remap[ $post['guid'] ] = $upload['url']; // r13735, really needed?
}
// keep track of the destination if the remote url is redirected somewhere else
if ( isset( $headers['x-final-location'] ) && $headers['x-final-location'] != $url ) {
$this->url_remap[ $headers['x-final-location'] ] = $upload['url'];
Expand Down Expand Up @@ -1295,6 +1411,39 @@ function remap_featured_images() {
}
}

/**
* Update global styles fonts to be remapped to the new imported fonts.
*/
function remap_global_styles_fonts() {
foreach ( $this->posts as $post ) {
// If the post is a global style.
if (
( 'wp_global_styles' === $post['post_type'] && 'Custom Styles' === $post['post_title'] ) ||
( 'revision' === $post['post_type'] && 'Custom Styles' === $post['post_title'] )
) {
$db_post = get_post( $this->processed_posts[ $post['post_id'] ] );
$new_post_content = $db_post->post_content;

foreach ( $this->url_remap as $from_url => $to_url ) {
$new_post_content = str_replace(
wp_json_encode( $from_url ),
wp_json_encode( $to_url ),
$new_post_content
);
}

// update the post content.
wp_update_post(
array(
'ID' => $db_post->ID,
'post_content' => wp_slash( $new_post_content ),
)
);

}
}
}

/**
* Parse a WXR file
*
Expand Down
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