466 lines
14 KiB
PHP
466 lines
14 KiB
PHP
<?php
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// Update an existing post with values provided in $_POST.
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function edit_post() {
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global $user_ID;
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$post_ID = (int) $_POST['post_ID'];
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if ( 'page' == $_POST['post_type'] ) {
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if ( !current_user_can( 'edit_page', $post_ID ) )
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wp_die( __('You are not allowed to edit this page.' ));
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} else {
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if ( !current_user_can( 'edit_post', $post_ID ) )
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wp_die( __('You are not allowed to edit this post.' ));
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}
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// Autosave shouldn't save too soon after a real save
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if ( 'autosave' == $_POST['action'] ) {
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$post =& get_post( $post_ID );
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$now = time();
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$then = strtotime($post->post_date_gmt . ' +0000');
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// Keep autosave_interval in sync with autosave-js.php.
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$delta = apply_filters( 'autosave_interval', 120 ) / 2;
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if ( ($now - $then) < $delta )
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return $post_ID;
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}
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// Rename.
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$_POST['ID'] = (int) $_POST['post_ID'];
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$_POST['post_content'] = $_POST['content'];
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$_POST['post_excerpt'] = $_POST['excerpt'];
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$_POST['post_parent'] = $_POST['parent_id'];
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$_POST['to_ping'] = $_POST['trackback_url'];
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if (!empty ( $_POST['post_author_override'] ) ) {
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$_POST['post_author'] = (int) $_POST['post_author_override'];
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} else
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if (!empty ( $_POST['post_author'] ) ) {
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$_POST['post_author'] = (int) $_POST['post_author'];
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} else {
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$_POST['post_author'] = (int) $_POST['user_ID'];
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}
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if ( $_POST['post_author'] != $_POST['user_ID'] ) {
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if ( 'page' == $_POST['post_type'] ) {
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if ( !current_user_can( 'edit_others_pages' ) )
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wp_die( __('You are not allowed to edit pages as this user.' ));
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} else {
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if ( !current_user_can( 'edit_others_posts' ) )
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wp_die( __('You are not allowed to edit posts as this user.' ));
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}
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}
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// What to do based on which button they pressed
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if ('' != $_POST['saveasdraft'] )
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$_POST['post_status'] = 'draft';
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if ('' != $_POST['saveasprivate'] )
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$_POST['post_status'] = 'private';
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if ('' != $_POST['publish'] )
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$_POST['post_status'] = 'publish';
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if ('' != $_POST['advanced'] )
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$_POST['post_status'] = 'draft';
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if ( 'page' == $_POST['post_type'] ) {
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if ('publish' == $_POST['post_status'] && !current_user_can( 'edit_published_pages' ))
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$_POST['post_status'] = 'pending';
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} else {
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if ('publish' == $_POST['post_status'] && !current_user_can( 'edit_published_posts' ))
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$_POST['post_status'] = 'pending';
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}
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if (!isset( $_POST['comment_status'] ))
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$_POST['comment_status'] = 'closed';
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if (!isset( $_POST['ping_status'] ))
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$_POST['ping_status'] = 'closed';
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if (!empty ( $_POST['edit_date'] ) ) {
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$aa = $_POST['aa'];
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$mm = $_POST['mm'];
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$jj = $_POST['jj'];
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$hh = $_POST['hh'];
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$mn = $_POST['mn'];
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$ss = $_POST['ss'];
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$jj = ($jj > 31 ) ? 31 : $jj;
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$hh = ($hh > 23 ) ? $hh -24 : $hh;
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$mn = ($mn > 59 ) ? $mn -60 : $mn;
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$ss = ($ss > 59 ) ? $ss -60 : $ss;
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$_POST['post_date'] = "$aa-$mm-$jj $hh:$mn:$ss";
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$_POST['post_date_gmt'] = get_gmt_from_date( "$aa-$mm-$jj $hh:$mn:$ss" );
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}
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// Meta Stuff
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if ( $_POST['meta'] ) {
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foreach ( $_POST['meta'] as $key => $value )
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update_meta( $key, $value['key'], $value['value'] );
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}
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if ( $_POST['deletemeta'] ) {
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foreach ( $_POST['deletemeta'] as $key => $value )
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delete_meta( $key );
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}
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add_meta( $post_ID );
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wp_update_post( $_POST );
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// Reunite any orphaned attachments with their parent
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if ( !$draft_ids = get_user_option( 'autosave_draft_ids' ) )
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$draft_ids = array();
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if ( $draft_temp_id = (int) array_search( $post_ID, $draft_ids ) )
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_relocate_children( $draft_temp_id, $post_ID );
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// Now that we have an ID we can fix any attachment anchor hrefs
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_fix_attachment_links( $post_ID );
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return $post_ID;
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}
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// Default post information to use when populating the "Write Post" form.
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function get_default_post_to_edit() {
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if ( !empty( $_REQUEST['post_title'] ) )
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$post_title = wp_specialchars( stripslashes( $_REQUEST['post_title'] ));
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else if ( !empty( $_REQUEST['popuptitle'] ) ) {
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$post_title = wp_specialchars( stripslashes( $_REQUEST['popuptitle'] ));
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$post_title = funky_javascript_fix( $post_title );
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} else {
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$post_title = '';
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}
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if ( !empty( $_REQUEST['content'] ) )
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$post_content = wp_specialchars( stripslashes( $_REQUEST['content'] ));
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else if ( !empty( $post_title ) ) {
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$text = wp_specialchars( stripslashes( urldecode( $_REQUEST['text'] ) ) );
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$text = funky_javascript_fix( $text);
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$popupurl = clean_url($_REQUEST['popupurl']);
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$post_content = '<a href="'.$popupurl.'">'.$post_title.'</a>'."\n$text";
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}
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if ( !empty( $_REQUEST['excerpt'] ) )
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$post_excerpt = wp_specialchars( stripslashes( $_REQUEST['excerpt'] ));
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else
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$post_excerpt = '';
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$post->post_status = 'draft';
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$post->comment_status = get_option( 'default_comment_status' );
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$post->ping_status = get_option( 'default_ping_status' );
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$post->post_pingback = get_option( 'default_pingback_flag' );
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$post->post_category = get_option( 'default_category' );
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$post->post_content = apply_filters( 'default_content', $post_content);
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$post->post_title = apply_filters( 'default_title', $post_title );
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$post->post_excerpt = apply_filters( 'default_excerpt', $post_excerpt);
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$post->page_template = 'default';
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$post->post_parent = 0;
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$post->menu_order = 0;
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return $post;
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}
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// Get an existing post and format it for editing.
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function get_post_to_edit( $id ) {
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$post = get_post( $id, OBJECT, 'edit' );
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if ( $post->post_type == 'page' )
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$post->page_template = get_post_meta( $id, '_wp_page_template', true );
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return $post;
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}
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function post_exists($title, $content = '', $post_date = '') {
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global $wpdb;
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if (!empty ($post_date))
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$post_date = "AND post_date = '$post_date'";
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if (!empty ($title))
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return $wpdb->get_var("SELECT ID FROM $wpdb->posts WHERE post_title = '$title' $post_date");
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else
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if (!empty ($content))
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return $wpdb->get_var("SELECT ID FROM $wpdb->posts WHERE post_content = '$content' $post_date");
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return 0;
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}
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// Creates a new post from the "Write Post" form using $_POST information.
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function wp_write_post() {
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global $user_ID;
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if ( 'page' == $_POST['post_type'] ) {
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if ( !current_user_can( 'edit_pages' ) )
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return new WP_Error( 'edit_pages', __( 'You are not allowed to create pages on this blog.' ) );
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} else {
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if ( !current_user_can( 'edit_posts' ) )
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return new WP_Error( 'edit_posts', __( 'You are not allowed to create posts or drafts on this blog.' ) );
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}
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// Check for autosave collisions
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$temp_id = false;
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if ( isset($_POST['temp_ID']) ) {
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$temp_id = (int) $_POST['temp_ID'];
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if ( !$draft_ids = get_user_option( 'autosave_draft_ids' ) )
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$draft_ids = array();
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foreach ( $draft_ids as $temp => $real )
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if ( time() + $temp > 86400 ) // 1 day: $temp is equal to -1 * time( then )
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unset($draft_ids[$temp]);
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if ( isset($draft_ids[$temp_id]) ) { // Edit, don't write
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$_POST['post_ID'] = $draft_ids[$temp_id];
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unset($_POST['temp_ID']);
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update_user_option( $user_ID, 'autosave_draft_ids', $draft_ids );
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return edit_post();
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}
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}
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// Rename.
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$_POST['post_content'] = $_POST['content'];
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$_POST['post_excerpt'] = $_POST['excerpt'];
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$_POST['post_parent'] = $_POST['parent_id'];
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$_POST['to_ping'] = $_POST['trackback_url'];
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if (!empty ( $_POST['post_author_override'] ) ) {
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$_POST['post_author'] = (int) $_POST['post_author_override'];
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} else {
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if (!empty ( $_POST['post_author'] ) ) {
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$_POST['post_author'] = (int) $_POST['post_author'];
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} else {
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$_POST['post_author'] = (int) $_POST['user_ID'];
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}
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}
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if ( $_POST['post_author'] != $_POST['user_ID'] ) {
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if ( 'page' == $_POST['post_type'] ) {
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if ( !current_user_can( 'edit_others_pages' ) )
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return new WP_Error( 'edit_others_pages', __( 'You are not allowed to create pages as this user.' ) );
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} else {
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if ( !current_user_can( 'edit_others_posts' ) )
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return new WP_Error( 'edit_others_posts', __( 'You are not allowed to post as this user.' ) );
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}
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}
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// What to do based on which button they pressed
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if ('' != $_POST['saveasdraft'] )
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$_POST['post_status'] = 'draft';
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if ('' != $_POST['saveasprivate'] )
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$_POST['post_status'] = 'private';
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if ('' != $_POST['publish'] )
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$_POST['post_status'] = 'publish';
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if ('' != $_POST['advanced'] )
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$_POST['post_status'] = 'draft';
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if ( 'page' == $_POST['post_type'] ) {
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if ('publish' == $_POST['post_status'] && !current_user_can( 'publish_pages' ) )
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$_POST['post_status'] = 'pending';
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} else {
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if ('publish' == $_POST['post_status'] && !current_user_can( 'publish_posts' ) )
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$_POST['post_status'] = 'pending';
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}
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if (!isset( $_POST['comment_status'] ))
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$_POST['comment_status'] = 'closed';
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if (!isset( $_POST['ping_status'] ))
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$_POST['ping_status'] = 'closed';
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if (!empty ( $_POST['edit_date'] ) ) {
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$aa = $_POST['aa'];
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$mm = $_POST['mm'];
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$jj = $_POST['jj'];
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$hh = $_POST['hh'];
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$mn = $_POST['mn'];
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$ss = $_POST['ss'];
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$jj = ($jj > 31 ) ? 31 : $jj;
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$hh = ($hh > 23 ) ? $hh -24 : $hh;
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$mn = ($mn > 59 ) ? $mn -60 : $mn;
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$ss = ($ss > 59 ) ? $ss -60 : $ss;
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$_POST['post_date'] = sprintf( "%04d-%02d-%02d %02d:%02d:%02d", $aa, $mm, $jj, $hh, $mn, $ss );
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$_POST['post_date_gmt'] = get_gmt_from_date( $_POST['post_date'] );
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}
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// Create the post.
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$post_ID = wp_insert_post( $_POST );
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add_meta( $post_ID );
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// Reunite any orphaned attachments with their parent
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if ( !$draft_ids = get_user_option( 'autosave_draft_ids' ) )
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$draft_ids = array();
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if ( $draft_temp_id = (int) array_search( $post_ID, $draft_ids ) )
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_relocate_children( $draft_temp_id, $post_ID );
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if ( $temp_id && $temp_id != $draft_temp_id )
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_relocate_children( $temp_id, $post_ID );
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// Update autosave collision detection
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if ( $temp_id ) {
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$draft_ids[$temp_id] = $post_ID;
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update_user_option( $user_ID, 'autosave_draft_ids', $draft_ids );
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}
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// Now that we have an ID we can fix any attachment anchor hrefs
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_fix_attachment_links( $post_ID );
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return $post_ID;
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}
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function write_post() {
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$result = wp_write_post();
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if( is_wp_error( $result ) )
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wp_die( $result->get_error_message() );
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else
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return $result;
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}
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//
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// Post Meta
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//
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function add_meta( $post_ID ) {
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global $wpdb;
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$post_ID = (int) $post_ID;
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$protected = array( '_wp_attached_file', '_wp_attachment_metadata', '_wp_old_slug', '_wp_page_template' );
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$metakeyselect = $wpdb->escape( stripslashes( trim( $_POST['metakeyselect'] ) ) );
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$metakeyinput = $wpdb->escape( stripslashes( trim( $_POST['metakeyinput'] ) ) );
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$metavalue = maybe_serialize( stripslashes( (trim( $_POST['metavalue'] ) ) ));
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$metavalue = $wpdb->escape( $metavalue );
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if ( ('0' === $metavalue || !empty ( $metavalue ) ) && ((('#NONE#' != $metakeyselect) && !empty ( $metakeyselect) ) || !empty ( $metakeyinput) ) ) {
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// We have a key/value pair. If both the select and the
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// input for the key have data, the input takes precedence:
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if ('#NONE#' != $metakeyselect)
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$metakey = $metakeyselect;
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if ( $metakeyinput)
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$metakey = $metakeyinput; // default
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if ( in_array($metakey, $protected) )
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return false;
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$result = $wpdb->query( "
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INSERT INTO $wpdb->postmeta
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(post_id,meta_key,meta_value )
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VALUES ('$post_ID','$metakey','$metavalue' )
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" );
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return $wpdb->insert_id;
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}
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return false;
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} // add_meta
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function delete_meta( $mid ) {
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global $wpdb;
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$mid = (int) $mid;
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return $wpdb->query( "DELETE FROM $wpdb->postmeta WHERE meta_id = '$mid'" );
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}
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// Get a list of previously defined keys
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function get_meta_keys() {
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global $wpdb;
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$keys = $wpdb->get_col( "
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SELECT meta_key
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FROM $wpdb->postmeta
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GROUP BY meta_key
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ORDER BY meta_key" );
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return $keys;
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}
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function get_post_meta_by_id( $mid ) {
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global $wpdb;
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$mid = (int) $mid;
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$meta = $wpdb->get_row( "SELECT * FROM $wpdb->postmeta WHERE meta_id = '$mid'" );
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if ( is_serialized_string( $meta->meta_value ) )
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$meta->meta_value = maybe_unserialize( $meta->meta_value );
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return $meta;
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}
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// Some postmeta stuff
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function has_meta( $postid ) {
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global $wpdb;
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return $wpdb->get_results( "
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SELECT meta_key, meta_value, meta_id, post_id
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FROM $wpdb->postmeta
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WHERE post_id = '$postid'
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ORDER BY meta_key,meta_id", ARRAY_A );
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}
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function update_meta( $mid, $mkey, $mvalue ) {
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global $wpdb;
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$protected = array( '_wp_attached_file', '_wp_attachment_metadata', '_wp_old_slug', '_wp_page_template' );
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if ( in_array($mkey, $protected) )
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return false;
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$mvalue = maybe_serialize( stripslashes( $mvalue ));
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$mvalue = $wpdb->escape( $mvalue );
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$mid = (int) $mid;
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return $wpdb->query( "UPDATE $wpdb->postmeta SET meta_key = '$mkey', meta_value = '$mvalue' WHERE meta_id = '$mid'" );
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}
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//
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// Private
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//
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// Replace hrefs of attachment anchors with up-to-date permalinks.
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function _fix_attachment_links( $post_ID ) {
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global $wp_rewrite;
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$post = & get_post( $post_ID, ARRAY_A );
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$search = "#<a[^>]+rel=('|\")[^'\"]*attachment[^>]*>#ie";
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// See if we have any rel="attachment" links
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if ( 0 == preg_match_all( $search, $post['post_content'], $anchor_matches, PREG_PATTERN_ORDER ) )
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return;
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$i = 0;
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$search = "#[\s]+rel=(\"|')(.*?)wp-att-(\d+)\\1#i";
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foreach ( $anchor_matches[0] as $anchor ) {
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if ( 0 == preg_match( $search, $anchor, $id_matches ) )
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continue;
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$id = (int) $id_matches[3];
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// While we have the attachment ID, let's adopt any orphans.
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$attachment = & get_post( $id, ARRAY_A );
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if ( ! empty( $attachment) && ! is_object( get_post( $attachment['post_parent'] ) ) ) {
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$attachment['post_parent'] = $post_ID;
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// Escape data pulled from DB.
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$attachment = add_magic_quotes( $attachment);
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wp_update_post( $attachment);
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}
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$post_search[$i] = $anchor;
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$post_replace[$i] = preg_replace( "#href=(\"|')[^'\"]*\\1#e", "stripslashes( 'href=\\1' ).get_attachment_link( $id ).stripslashes( '\\1' )", $anchor );
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++$i;
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}
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$post['post_content'] = str_replace( $post_search, $post_replace, $post['post_content'] );
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// Escape data pulled from DB.
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$post = add_magic_quotes( $post);
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return wp_update_post( $post);
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}
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// Move child posts to a new parent
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function _relocate_children( $old_ID, $new_ID ) {
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global $wpdb;
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$old_ID = (int) $old_ID;
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$new_ID = (int) $new_ID;
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return $wpdb->query( "UPDATE $wpdb->posts SET post_parent = $new_ID WHERE post_parent = $old_ID" );
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}
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?>
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