<?php namespace Zotlabs\Lib; use \Zotlabs\Lib as Zlib; class NativeWikiPage { static public function page_list($channel_id,$observer_hash, $resource_id) { // TODO: Create item table records for pages so that metadata like title can be applied $w = Zlib\NativeWiki::get_wiki($channel_id,$observer_hash,$resource_id); $pages[] = [ 'resource_id' => '', 'title' => 'Home', 'url' => 'Home', 'link_id' => 'id_wiki_home_0' ]; $sql_extra = item_permissions_sql($channel_id,$observer_hash); $r = q("select * from item where resource_type = 'nwikipage' and resource_id = '%s' and uid = %d and item_deleted = 0 $sql_extra order by title asc", dbesc($resource_id), intval($channel_id) ); if($r) { $x = []; $y = []; foreach($r as $rv) { if(! in_array($rv['mid'],$x)) { $y[] = $rv; $x[] = $rv['mid']; } } $items = fetch_post_tags($y,true); foreach($items as $page_item) { $title = get_iconfig($page_item['id'],'nwikipage','pagetitle',t('(No Title)')); if(urldecode($title) !== 'Home') { $pages[] = [ 'resource_id' => $resource_id, 'title' => escape_tags($title), //'url' => str_replace('%2F','/',urlencode(str_replace('%2F','/',urlencode($title)))), 'url' => Zlib\NativeWiki::name_encode($title), 'link_id' => 'id_' . substr($resource_id, 0, 10) . '_' . $page_item['id'] ]; } } } return array('pages' => $pages, 'wiki' => $w); } static public function create_page($channel_id, $observer_hash, $name, $resource_id, $mimetype = 'text/bbcode') { logger('mimetype: ' . $mimetype); if(! in_array($mimetype,[ 'text/markdown','text/bbcode','text/plain','text/html' ])) $mimetype = 'text/markdown'; $w = Zlib\NativeWiki::get_wiki($channel_id, $observer_hash, $resource_id); if (! $w['wiki']) { return array('content' => null, 'message' => 'Error reading wiki', 'success' => false); } // backslashes won't work well in the javascript functions $name = str_replace('\\','',$name); // create an empty activity $arr = []; $arr['uid'] = $channel_id; $arr['author_xchan'] = $observer_hash; $arr['mimetype'] = $mimetype; $arr['title'] = $name; $arr['resource_type'] = 'nwikipage'; $arr['resource_id'] = $resource_id; $arr['allow_cid'] = $w['wiki']['allow_cid']; $arr['allow_gid'] = $w['wiki']['allow_gid']; $arr['deny_cid'] = $w['wiki']['deny_cid']; $arr['deny_gid'] = $w['wiki']['deny_gid']; $arr['public_policy'] = map_scope(\Zotlabs\Access\PermissionLimits::Get($channel_id,'view_wiki'),true); // We may wish to change this some day. $arr['item_unpublished'] = 1; set_iconfig($arr,'nwikipage','pagetitle',(($name) ? $name : t('(No Title)')),true); $p = post_activity_item($arr, false, false); if($p['item_id']) { $page = [ 'rawName' => $name, 'htmlName' => escape_tags($name), //'urlName' => urlencode($name), 'urlName' => Zlib\NativeWiki::name_encode($name) ]; return array('page' => $page, 'item_id' => $p['item_id'], 'item' => $p['activity'], 'wiki' => $w, 'message' => '', 'success' => true); } return [ 'success' => false, 'message' => t('Wiki page create failed.') ]; } static public function rename_page($arr) { $pageUrlName = ((array_key_exists('pageUrlName',$arr)) ? $arr['pageUrlName'] : ''); $pageNewName = ((array_key_exists('pageNewName',$arr)) ? $arr['pageNewName'] : ''); $resource_id = ((array_key_exists('resource_id',$arr)) ? $arr['resource_id'] : ''); $observer_hash = ((array_key_exists('observer_hash',$arr)) ? $arr['observer_hash'] : ''); $channel_id = ((array_key_exists('channel_id',$arr)) ? $arr['channel_id'] : 0); $w = Zlib\NativeWiki::get_wiki($channel_id, $observer_hash, $resource_id); if(! $w['wiki']) { return array('message' => t('Wiki not found.'), 'success' => false); } $ic = q("select * from iconfig left join item on iconfig.iid = item.id where uid = %d and cat = 'nwikipage' and k = 'pagetitle' and v = '%s'", intval($channel_id), dbesc($pageNewName) ); if($ic) { return [ 'success' => false, 'message' => t('Destination name already exists') ]; } $ids = []; $ic = q("select *, item.id as item_id from iconfig left join item on iconfig.iid = item.id where uid = %d and cat = 'nwikipage' and k = 'pagetitle' and v = '%s'", intval($channel_id), dbesc($pageUrlName) ); if($ic) { foreach($ic as $c) { set_iconfig($c['item_id'],'nwikipage','pagetitle',$pageNewName); $ids[] = $c['item_id']; } $str_ids = implode(',', $ids); q("update item set title = '%s' where id in ($str_ids)", dbesc($pageNewName) ); $page = [ 'rawName' => $pageNewName, 'htmlName' => escape_tags($pageNewName), //'urlName' => urlencode(escape_tags($pageNewName)) 'urlName' => Zlib\NativeWiki::name_encode($pageNewName) ]; return [ 'success' => true, 'page' => $page ]; } return [ 'success' => false, 'item_id' => $c['item_id'], 'message' => t('Page not found') ]; } static public function get_page_content($arr) { $pageUrlName = ((array_key_exists('pageUrlName',$arr)) ? $arr['pageUrlName'] : ''); $resource_id = ((array_key_exists('resource_id',$arr)) ? $arr['resource_id'] : ''); $observer_hash = ((array_key_exists('observer_hash',$arr)) ? $arr['observer_hash'] : ''); $channel_id = ((array_key_exists('channel_id',$arr)) ? intval($arr['channel_id']) : 0); $revision = ((array_key_exists('revision',$arr)) ? intval($arr['revision']) : (-1)); $w = Zlib\NativeWiki::get_wiki($channel_id, $observer_hash, $resource_id); if (! $w['wiki']) { return array('content' => null, 'message' => 'Error reading wiki', 'success' => false); } $item = self::load_page($arr); if($item) { $content = $item['body']; return [ 'content' => $content, 'mimeType' => $w['mimeType'], 'pageMimeType' => $item['mimetype'], 'message' => '', 'success' => true ]; } return array('content' => null, 'message' => t('Error reading page content'), 'success' => false); } static public function page_history($arr) { $pageUrlName = ((array_key_exists('pageUrlName',$arr)) ? $arr['pageUrlName'] : ''); $resource_id = ((array_key_exists('resource_id',$arr)) ? $arr['resource_id'] : ''); $observer_hash = ((array_key_exists('observer_hash',$arr)) ? $arr['observer_hash'] : ''); $channel_id = ((array_key_exists('channel_id',$arr)) ? $arr['channel_id'] : 0); $w = Zlib\NativeWiki::get_wiki($channel_id, $observer_hash, $resource_id); if (!$w['wiki']) { return array('history' => null, 'message' => 'Error reading wiki', 'success' => false); } $items = self::load_page_history($arr); $history = []; if($items) { $processed = 0; foreach($items as $item) { if($processed > 1000) break; $processed ++; $history[] = [ 'revision' => $item['revision'], 'date' => datetime_convert('UTC',date_default_timezone_get(),$item['edited']), 'name' => $item['author']['xchan_name'], 'title' => get_iconfig($item,'nwikipage','commit_msg') ]; } return [ 'success' => true, 'history' => $history ]; } return [ 'success' => false ]; } static public function load_page($arr) { $pageUrlName = ((array_key_exists('pageUrlName',$arr)) ? $arr['pageUrlName'] : ''); $resource_id = ((array_key_exists('resource_id',$arr)) ? $arr['resource_id'] : ''); $observer_hash = ((array_key_exists('observer_hash',$arr)) ? $arr['observer_hash'] : ''); $channel_id = ((array_key_exists('channel_id',$arr)) ? $arr['channel_id'] : 0); $revision = ((array_key_exists('revision',$arr)) ? $arr['revision'] : (-1)); $w = Zlib\NativeWiki::get_wiki($channel_id, $observer_hash, $resource_id); if (! $w['wiki']) { return array('content' => null, 'message' => 'Error reading wiki', 'success' => false); } $ids = ''; $ic = q("select * from iconfig left join item on iconfig.iid = item.id where uid = %d and cat = 'nwikipage' and k = 'pagetitle' and v = '%s'", intval($channel_id), dbesc($pageUrlName) ); if($ic) { foreach($ic as $c) { if($ids) $ids .= ','; $ids .= intval($c['iid']); } } $sql_extra = item_permissions_sql($channel_id,$observer_hash); if($revision == (-1)) $sql_extra .= " order by revision desc "; elseif($revision) $sql_extra .= " and revision = " . intval($revision) . " "; $r = null; if($ids) { $r = q("select * from item where resource_type = 'nwikipage' and resource_id = '%s' and uid = %d and id in ( $ids ) $sql_extra limit 1", dbesc($resource_id), intval($channel_id) ); if($r) { $items = fetch_post_tags($r,true); return $items[0]; } } return null; } static public function load_page_history($arr) { $pageUrlName = ((array_key_exists('pageUrlName',$arr)) ? $arr['pageUrlName'] : ''); $resource_id = ((array_key_exists('resource_id',$arr)) ? $arr['resource_id'] : ''); $observer_hash = ((array_key_exists('observer_hash',$arr)) ? $arr['observer_hash'] : ''); $channel_id = ((array_key_exists('channel_id',$arr)) ? $arr['channel_id'] : 0); $revision = ((array_key_exists('revision',$arr)) ? $arr['revision'] : (-1)); $w = Zlib\NativeWiki::get_wiki($channel_id, $observer_hash, $resource_id); if (! $w['wiki']) { return array('content' => null, 'message' => 'Error reading wiki', 'success' => false); } $ids = ''; $ic = q("select * from iconfig left join item on iconfig.iid = item.id where uid = %d and cat = 'nwikipage' and k = 'pagetitle' and v = '%s'", intval($channel_id), dbesc($pageUrlName) ); if($ic) { foreach($ic as $c) { if($ids) $ids .= ','; $ids .= intval($c['iid']); } } $sql_extra = item_permissions_sql($channel_id,$observer_hash); $sql_extra .= " order by revision desc "; $r = null; if($ids) { $r = q("select * from item where resource_type = 'nwikipage' and resource_id = '%s' and uid = %d and id in ( $ids ) and item_deleted = 0 $sql_extra", dbesc($resource_id), intval($channel_id) ); if($r) { xchan_query($r); $items = fetch_post_tags($r,true); return $items; } } return null; } static public function save_page($arr) { $pageUrlName = ((array_key_exists('pageUrlName',$arr)) ? $arr['pageUrlName'] : ''); $content = ((array_key_exists('content',$arr)) ? $arr['content'] : ''); $resource_id = ((array_key_exists('resource_id',$arr)) ? $arr['resource_id'] : ''); $observer_hash = ((array_key_exists('observer_hash',$arr)) ? $arr['observer_hash'] : ''); $channel_id = ((array_key_exists('channel_id',$arr)) ? $arr['channel_id'] : 0); $revision = ((array_key_exists('revision',$arr)) ? $arr['revision'] : 0); $w = Zlib\NativeWiki::get_wiki($channel_id, $observer_hash, $resource_id); if (!$w['wiki']) { return array('message' => t('Error reading wiki'), 'success' => false); } // fetch the most recently saved revision. $item = self::load_page($arr); if(! $item) { return array('message' => t('Page not found'), 'success' => false); } $mimetype = $item['mimetype']; // change just the fields we need to change to create a revision; unset($item['id']); unset($item['author']); $item['parent'] = 0; $item['body'] = $content; $item['author_xchan'] = $observer_hash; $item['revision'] = (($arr['revision']) ? intval($arr['revision']) + 1 : intval($item['revision']) + 1); $item['edited'] = datetime_convert(); $item['mimetype'] = $mimetype; if($item['iconfig'] && is_array($item['iconfig']) && count($item['iconfig'])) { for($x = 0; $x < count($item['iconfig']); $x ++) { unset($item['iconfig'][$x]['id']); unset($item['iconfig'][$x]['iid']); } } $ret = item_store($item, false, false); if($ret['item_id']) return array('message' => '', 'item_id' => $ret['item_id'], 'filename' => $filename, 'success' => true); else return array('message' => t('Page update failed.'), 'success' => false); } static public function delete_page($arr) { $pageUrlName = ((array_key_exists('pageUrlName',$arr)) ? $arr['pageUrlName'] : ''); $resource_id = ((array_key_exists('resource_id',$arr)) ? $arr['resource_id'] : ''); $observer_hash = ((array_key_exists('observer_hash',$arr)) ? $arr['observer_hash'] : ''); $channel_id = ((array_key_exists('channel_id',$arr)) ? $arr['channel_id'] : 0); $w = Zlib\NativeWiki::get_wiki($channel_id, $observer_hash, $resource_id); if(! $w['wiki']) { return [ 'success' => false, 'message' => t('Error reading wiki') ]; } $ids = []; $ic = q("select * from iconfig left join item on iconfig.iid = item.id where uid = %d and cat = 'nwikipage' and k = 'pagetitle' and v = '%s'", intval($channel_id), dbesc($pageUrlName) ); if($ic) { foreach($ic as $c) { $ids[] = intval($c['iid']); } } if($ids) { drop_items($ids); return [ 'success' => true ]; } return [ 'success' => false, 'message' => t('Nothing deleted') ]; } static public function revert_page($arr) { $pageUrlName = ((array_key_exists('pageUrlName',$arr)) ? $arr['pageUrlName'] : ''); $resource_id = ((array_key_exists('resource_id',$arr)) ? $arr['resource_id'] : ''); $commitHash = ((array_key_exists('commitHash',$arr)) ? $arr['commitHash'] : null); $observer_hash = ((array_key_exists('observer_hash',$arr)) ? $arr['observer_hash'] : ''); $channel_id = ((array_key_exists('channel_id',$arr)) ? $arr['channel_id'] : 0); if (! $commitHash) { return array('content' => $content, 'message' => 'No commit was provided', 'success' => false); } $w = Zlib\NativeWiki::get_wiki($channel_id, $observer_hash, $resource_id); if (!$w['wiki']) { return array('content' => $content, 'message' => 'Error reading wiki', 'success' => false); } $x = $arr; if(intval($commitHash) > 0) { unset($x['commitHash']); $x['revision'] = intval($commitHash) - 1; $loaded = self::load_page($x); if($loaded) { $content = $loaded['body']; return [ 'content' => $content, 'success' => true ]; } return [ 'content' => $content, 'success' => false ]; } } static public function compare_page($arr) { $pageUrlName = ((array_key_exists('pageUrlName',$arr)) ? $arr['pageUrlName'] : ''); $resource_id = ((array_key_exists('resource_id',$arr)) ? $arr['resource_id'] : ''); $currentCommit = ((array_key_exists('currentCommit',$arr)) ? $arr['currentCommit'] : (-1)); $compareCommit = ((array_key_exists('compareCommit',$arr)) ? $arr['compareCommit'] : 0); $observer_hash = ((array_key_exists('observer_hash',$arr)) ? $arr['observer_hash'] : ''); $channel_id = ((array_key_exists('channel_id',$arr)) ? $arr['channel_id'] : 0); $w = Zlib\NativeWiki::get_wiki($channel_id, $observer_hash, $resource_id); if (!$w['wiki']) { return array('message' => t('Error reading wiki'), 'success' => false); } $x = $arr; $x['revision'] = (-1); $currpage = self::load_page($x); if($currpage) $currentContent = $currpage['body']; $x['revision'] = $compareCommit; $comppage = self::load_page($x); if($comppage) $compareContent = $comppage['body']; if($currpage && $comppage) { require_once('library/class.Diff.php'); $diff = \Diff::toTable(\Diff::compare($currentContent, $compareContent)); return [ 'success' => true, 'diff' => $diff ]; } return [ 'success' => false, 'message' => t('Compare: object not found.') ]; } static public function commit($arr) { $commit_msg = ((array_key_exists('commit_msg', $arr)) ? $arr['commit_msg'] : t('Page updated')); $observer_hash = ((array_key_exists('observer_hash',$arr)) ? $arr['observer_hash'] : ''); $channel_id = ((array_key_exists('channel_id',$arr)) ? $arr['channel_id'] : 0); $pageUrlName = ((array_key_exists('pageUrlName',$arr)) ? $arr['pageUrlName'] : t('Untitled')); if(array_key_exists('resource_id', $arr)) { $resource_id = $arr['resource_id']; } else { return array('message' => t('Wiki resource_id required for git commit'), 'success' => false); } $w = Zlib\NativeWiki::get_wiki($channel_id, $observer_hash, $resource_id); if (! $w['wiki']) { return array('message' => t('Error reading wiki'), 'success' => false); } $page = self::load_page($arr); if($page) { set_iconfig($page['id'],'nwikipage','commit_msg',escape_tags($commit_msg),true); return [ 'success' => true, 'item_id' => $page['id'], 'page' => $page ]; } return [ 'success' => false, 'message' => t('Page not found.') ]; } static public function convert_links($s, $wikiURL) { if (strpos($s,'[[') !== false) { preg_match_all("/\[\[(.*?)\]\]/", $s, $match); $pages = $pageURLs = array(); foreach ($match[1] as $m) { // TODO: Why do we need to double urlencode for this to work? //$pageURLs[] = urlencode(urlencode(escape_tags($m))); $pageURLs[] = Zlib\NativeWiki::name_encode(escape_tags($m)); $pages[] = $m; } $idx = 0; while(strpos($s,'[[') !== false) { $replace = '<a href="'.$wikiURL.'/'.$pageURLs[$idx].'">'.$pages[$idx].'</a>'; $s = preg_replace("/\[\[(.*?)\]\]/", $replace, $s, 1); $idx++; } } return $s; } static public function render_page_history($arr) { $pageUrlName = ((array_key_exists('pageUrlName', $arr)) ? $arr['pageUrlName'] : ''); $resource_id = ((array_key_exists('resource_id', $arr)) ? $arr['resource_id'] : ''); $pageHistory = self::page_history([ 'channel_id' => \App::$profile_uid, 'observer_hash' => get_observer_hash(), 'resource_id' => $resource_id, 'pageUrlName' => $pageUrlName ]); return replace_macros(get_markup_template('nwiki_page_history.tpl'), array( '$pageHistory' => $pageHistory['history'], '$permsWrite' => $arr['permsWrite'], '$name_lbl' => t('Name'), '$msg_label' => t('Message','wiki_history'), '$date_lbl' => t('Date'), '$revert_btn' => t('Revert'), '$compare_btn' => t('Compare') )); } /** * Replace the instances of the string [toc] with a list element that will be populated by * a table of contents by the JavaScript library * @param string $s * @return string */ static public function generate_toc($s) { if (strpos($s,'[toc]') !== false) { //$toc_md = wiki_toc($s); // Generate Markdown-formatted list prior to HTML render $toc_md = '<ul id="wiki-toc"></ul>'; // use the available jQuery plugin http://ndabas.github.io/toc/ $s = preg_replace("/\[toc\]/", $toc_md, $s, -1); } return $s; } /** * Converts a select set of bbcode tags. Much of the code is copied from include/bbcode.php * @param string $s * @return string */ static public function bbcode($s) { $s = str_replace(array('[baseurl]', '[sitename]'), array(z_root(), get_config('system', 'sitename')), $s); $s = preg_replace_callback("/\[observer\.language\=(.*?)\](.*?)\[\/observer\]/ism",'oblanguage_callback', $s); $s = preg_replace_callback("/\[observer\.language\!\=(.*?)\](.*?)\[\/observer\]/ism",'oblanguage_necallback', $s); $observer = \App::get_observer(); if ($observer) { $s1 = '<span class="bb_observer" title="' . t('Different viewers will see this text differently') . '">'; $s2 = '</span>'; $obsBaseURL = $observer['xchan_connurl']; $obsBaseURL = preg_replace("/\/poco\/.*$/", '', $obsBaseURL); $s = str_replace('[observer.baseurl]', $obsBaseURL, $s); $s = str_replace('[observer.url]', $observer['xchan_url'], $s); $s = str_replace('[observer.name]', $s1 . $observer['xchan_name'] . $s2, $s); $s = str_replace('[observer.address]', $s1 . $observer['xchan_addr'] . $s2, $s); $s = str_replace('[observer.webname]', substr($observer['xchan_addr'], 0, strpos($observer['xchan_addr'], '@')), $s); $s = str_replace('[observer.photo]', '', $s); } else { $s = str_replace('[observer.baseurl]', '', $s); $s = str_replace('[observer.url]', '', $s); $s = str_replace('[observer.name]', '', $s); $s = str_replace('[observer.address]', '', $s); $s = str_replace('[observer.webname]', '', $s); $s = str_replace('[observer.photo]', '', $s); } return $s; } static public function get_file_ext($arr) { if($arr['mimetype'] === 'text/bbcode') return '.bb'; elseif($arr['mimetype'] === 'text/markdown') return '.md'; elseif($arr['mimetype'] === 'text/plain') return '.txt'; } // This function is derived from // http://stackoverflow.com/questions/32068537/generate-table-of-contents-from-markdown-in-php static public function toc($content) { // ensure using only "\n" as line-break $source = str_replace(["\r\n", "\r"], "\n", $content); // look for markdown TOC items preg_match_all( '/^(?:=|-|#).*$/m', $source, $matches, PREG_PATTERN_ORDER | PREG_OFFSET_CAPTURE ); // preprocess: iterate matched lines to create an array of items // where each item is an array(level, text) $file_size = strlen($source); foreach ($matches[0] as $item) { $found_mark = substr($item[0], 0, 1); if ($found_mark == '#') { // text is the found item $item_text = $item[0]; $item_level = strrpos($item_text, '#') + 1; $item_text = substr($item_text, $item_level); } else { // text is the previous line (empty if <hr>) $item_offset = $item[1]; $prev_line_offset = strrpos($source, "\n", -($file_size - $item_offset + 2)); $item_text = substr($source, $prev_line_offset, $item_offset - $prev_line_offset - 1); $item_text = trim($item_text); $item_level = $found_mark == '=' ? 1 : 2; } if (!trim($item_text) OR strpos($item_text, '|') !== FALSE) { // item is an horizontal separator or a table header, don't mind continue; } $raw_toc[] = ['level' => $item_level, 'text' => trim($item_text)]; } $o = ''; foreach($raw_toc as $t) { $level = intval($t['level']); $text = $t['text']; switch ($level) { case 1: $li = '* '; break; case 2: $li = ' * '; break; case 3: $li = ' * '; break; case 4: $li = ' * '; break; default: $li = '* '; break; } $o .= $li . $text . "\n"; } return $o; } }