5,
'post_formats' => $post_formats,
/**
* Filter whether or not Press This should redirect the user in the parent window upon save.
*
* @since 4.2.0
*
* @param bool $redir_in_parent Whether to redirect in parent window or not. Default false.
*/
'redir_in_parent' => apply_filters( 'press_this_redirect_in_parent', __return_false() ),
);
}
/**
* Get the sources images and save them locally, fr posterity, unless we can't.
*
* @since 4.2.0
* @access public
*
* @param int $post_id Post ID.
* @param string $content Optional. Current expected markup for Press This. Default empty.
* @return string New markup with old image URLs replaced with the local attachment ones if swapped.
*/
public function side_load_images( $post_id, $content = '' ) {
$new_content = $content;
preg_match_all( '/![]()
]+>/', $content, $matches );
if ( ! empty( $matches ) && current_user_can( 'upload_files' ) ) {
foreach ( (array) $matches[0] as $key => $image ) {
preg_match( '/src=["\']{1}([^"\']+)["\']{1}/', stripslashes( $image ), $url_matches );
if ( empty( $url_matches[1] ) ) {
continue;
}
$image_url = $url_matches[1];
// Don't try to sideload a file without a file extension, leads to WP upload error.
if ( ! preg_match( '/[^\?]+\.(jpe?g|jpe|gif|png)\b/i', $image_url ) )
continue;
// See if files exist in content - we don't want to upload non-used selected files.
if ( false !== strpos( $new_content, htmlspecialchars( $image_url ) ) ) {
// Sideload image, which ives us a new image tag, strip the empty alt that comes with it.
$upload = str_replace( ' alt=""', '', media_sideload_image( $image_url, $post_id ) );
// Preserve assigned class, id, width, height and alt attributes.
if ( preg_match_all( '/(class|width|height|id|alt)=\\\?(\"|\')[^"\']+\\\?(\2)/', $image, $attr_matches )
&& is_array( $attr_matches[0] )
) {
foreach ( $attr_matches[0] as $attr ) {
$upload = str_replace( ' with correct uploaded ones.
* Regex contains fix for Magic Quotes.
*/
if ( ! is_wp_error( $upload ) ) {
$new_content = str_replace( $image, $upload, $new_content );
}
}
}
}
// Error handling for media_sideload, send original content back.
if ( is_wp_error( $new_content ) ) {
return $content;
}
return $new_content;
}
/**
* AJAX handler for saving the post as draft or published.
*
* @since 4.2.0
* @access public
*/
public function save_post() {
if ( empty( $_POST['pressthis-nonce'] ) || ! wp_verify_nonce( $_POST['pressthis-nonce'], 'press-this' ) ) {
wp_send_json_error( array( 'errorMessage' => __( 'Cheatin’ uh?' ) ) );
}
if ( empty( $_POST['post_ID'] ) || ! $post_id = (int) $_POST['post_ID'] ) {
wp_send_json_error( array( 'errorMessage' => __( 'Missing post ID.' ) ) );
}
if ( ! current_user_can( 'edit_post', $post_id ) ) {
wp_send_json_error( array( 'errorMessage' => __( 'Cheatin’ uh?' ) ) );
}
$post = array(
'ID' => $post_id,
'post_title' => ( ! empty( $_POST['title'] ) ) ? sanitize_text_field( trim( $_POST['title'] ) ) : '',
'post_content' => ( ! empty( $_POST['pressthis'] ) ) ? trim( $_POST['pressthis'] ) : '',
'post_type' => 'post',
'post_status' => 'draft',
'post_format' => ( ! empty( $_POST['post_format'] ) ) ? sanitize_text_field( $_POST['post_format'] ) : '',
'tax_input' => ( ! empty( $_POST['tax_input'] ) ) ? $_POST['tax_input'] : array(),
'post_category' => ( ! empty( $_POST['post_category'] ) ) ? $_POST['post_category'] : array(),
);
if ( ! empty( $_POST['post_status'] ) && 'publish' === $_POST['post_status'] ) {
if ( current_user_can( 'publish_posts' ) ) {
$post['post_status'] = 'publish';
} else {
$post['post_status'] = 'pending';
}
}
$new_content = $this->side_load_images( $post_id, $post['post_content'] );
if ( ! is_wp_error( $new_content ) ) {
$post['post_content'] = $new_content;
}
$updated = wp_update_post( $post, true );
if ( is_wp_error( $updated ) || intval( $updated ) < 1 ) {
wp_send_json_error( array( 'errorMessage' => __( 'Error while saving the post. Please try again later.' ) ) );
} else {
if ( isset( $post['post_format'] ) ) {
if ( current_theme_supports( 'post-formats', $post['post_format'] ) ) {
set_post_format( $post_id, $post['post_format'] );
} elseif ( $post['post_format'] ) {
set_post_format( $post_id, false );
}
}
if ( 'publish' === get_post_status( $post_id ) ) {
/**
* Filter the URL to redirect to when Press This saves.
*
* @since 4.2.0
*
* @param string $url Redirect URL. If `$status` is 'publish', this will be the post permalink.
* Otherwise, the post edit URL will be used.
* @param int $post_id Post ID.
* @param string $status Post status.
*/
$redirect = apply_filters( 'press_this_save_redirect', get_post_permalink( $post_id ), $post_id, $post['post_status'] );
} else {
/** This filter is documented in wp-admin/includes/class-wp-press-this.php */
$redirect = apply_filters( 'press_this_save_redirect', get_edit_post_link( $post_id, 'raw' ), $post_id, $post['post_status'] );
}
wp_send_json_success( array( 'redirect' => $redirect ) );
}
}
/**
* AJAX handler for adding a new category.
*
* @since 4.2.0
* @access public
*/
public function add_category() {
if ( false === wp_verify_nonce( $_POST['new_cat_nonce'], 'add-category' ) ) {
wp_send_json_error();
}
$taxonomy = get_taxonomy( 'category' );
if ( ! current_user_can( $taxonomy->cap->edit_terms ) || empty( $_POST['name'] ) ) {
wp_send_json_error();
}
$parent = isset( $_POST['parent'] ) && (int) $_POST['parent'] > 0 ? (int) $_POST['parent'] : 0;
$names = explode( ',', $_POST['name'] );
$added = $data = array();
foreach ( $names as $cat_name ) {
$cat_name = trim( $cat_name );
$cat_nicename = sanitize_title( $cat_name );
if ( empty( $cat_nicename ) ) {
continue;
}
// @todo Find a more performant to check existence, maybe get_term() with a separate parent check.
if ( ! $cat_id = term_exists( $cat_name, $taxonomy->name, $parent ) ) {
$cat_id = wp_insert_term( $cat_name, $taxonomy->name, array( 'parent' => $parent ) );
}
if ( is_wp_error( $cat_id ) ) {
continue;
} elseif ( is_array( $cat_id ) ) {
$cat_id = $cat_id['term_id'];
}
$added[] = $cat_id;
}
if ( empty( $added ) ) {
wp_send_json_error( array( 'errorMessage' => __( 'This category cannot be added. Please change the name and try again.' ) ) );
}
foreach ( $added as $new_cat_id ) {
$new_cat = get_category( $new_cat_id );
if ( is_wp_error( $new_cat ) ) {
wp_send_json_error( array( 'errorMessage' => __( 'Error while adding the category. Please try again later.' ) ) );
}
$data[] = array(
'term_id' => $new_cat->term_id,
'name' => $new_cat->name,
'parent' => $new_cat->parent,
);
}
wp_send_json_success( $data );
}
/**
* Downloads the source's HTML via server-side call for the given URL.
*
* @since 4.2.0
* @access public
*
* @param string $url URL to scan.
* @return string Source's HTML sanitized markup
*/
public function fetch_source_html( $url ) {
// Download source page to tmp file.
$source_tmp_file = ( ! empty( $url ) ) ? download_url( $url ) : '';
$source_content = '';
if ( ! is_wp_error( $source_tmp_file ) && file_exists( $source_tmp_file ) ) {
// Get the content of the source page from the tmp file..
$source_content = wp_kses(
file_get_contents( $source_tmp_file ),
array(
'img' => array(
'src' => array(),
),
'iframe' => array(
'src' => array(),
),
'link' => array(
'rel' => array(),
'itemprop' => array(),
'href' => array(),
),
'meta' => array(
'property' => array(),
'name' => array(),
'content' => array(),
)
)
);
// All done with backward compatibility. Let's do some cleanup, for good measure :)
unlink( $source_tmp_file );
} else if ( is_wp_error( $source_tmp_file ) ) {
$source_content = new WP_Error( 'upload-error', sprintf( __( 'Error: %s' ), sprintf( __( 'Could not download the source URL (native error: %s).' ), $source_tmp_file->get_error_message() ) ) );
} else if ( ! file_exists( $source_tmp_file ) ) {
$source_content = new WP_Error( 'no-local-file', sprintf( __( 'Error: %s' ), __( 'Could not save or locate the temporary download file for the source URL.' ) ) );
}
return $source_content;
}
/**
* Fetches and parses _meta, _img, and _links data from the source.
*
* @since 4.2.0
* @access public
*
* @param string $url URL to scan.
* @param array $data Optional. Existing data array if you have one. Default empty array.
* @return array New data array.
*/
public function source_data_fetch_fallback( $url, $data = array() ) {
if ( empty( $url ) ) {
return array();
}
// Download source page to tmp file.
$source_content = $this->fetch_source_html( $url );
if ( is_wp_error( $source_content ) ) {
return array( 'errors' => $source_content->get_error_messages() );
}
// Fetch and gather ![]()
data.
if ( empty( $data['_img'] ) ) {
$data['_img'] = array();
}
if ( preg_match_all( '/![]()
/', $source_content, $matches ) ) {
if ( ! empty( $matches[0] ) ) {
foreach ( $matches[0] as $value ) {
if ( preg_match( '/]+src="([^"]+)"[^>]+\/>/', $value, $new_matches ) ) {
if ( ! in_array( $new_matches[1], $data['_img'] ) ) {
$data['_img'][] = $new_matches[1];
}
}
}
}
}
// Fetch and gather