diff options
Diffstat (limited to 'Zotlabs')
| -rw-r--r-- | Zotlabs/Lib/NativeWiki.php | 199 | ||||
| -rw-r--r-- | Zotlabs/Lib/NativeWikiPage.php | 621 |
2 files changed, 820 insertions, 0 deletions
diff --git a/Zotlabs/Lib/NativeWiki.php b/Zotlabs/Lib/NativeWiki.php new file mode 100644 index 000000000..87aba363c --- /dev/null +++ b/Zotlabs/Lib/NativeWiki.php @@ -0,0 +1,199 @@ +<?php + +namespace Zotlabs\Lib; + +use \Zotlabs\Storage\GitRepo as GitRepo; + +define ( 'NWIKI_ITEM_RESOURCE_TYPE', 'nwiki' ); + +class NativeWiki { + + + static public function listwikis($channel, $observer_hash) { + + $sql_extra = item_permissions_sql($channel['channel_id'], $observer_hash); + $wikis = q("SELECT * FROM item WHERE resource_type = '%s' AND mid = parent_mid AND uid = %d AND item_deleted = 0 $sql_extra", + dbesc(NWIKI_ITEM_RESOURCE_TYPE), + intval($channel['channel_id']) + ); + + if($wikis) { + foreach($wikis as &$w) { + $w['rawName'] = get_iconfig($w, 'wiki', 'rawName'); + $w['htmlName'] = get_iconfig($w, 'wiki', 'htmlName'); + $w['urlName'] = get_iconfig($w, 'wiki', 'urlName'); + $w['mimeType'] = get_iconfig($w, 'wiki', 'mimeType'); + $w['lock'] = (($w['item_private'] || $w['allow_cid'] || $w['allow_gid'] || $w['deny_cid'] || $w['deny_gid']) ? true : false); + } + } + // TODO: query db for wikis the observer can access. Return with two lists, for read and write access + return array('wikis' => $wikis); + } + + + function create_wiki($channel, $observer_hash, $wiki, $acl) { + + // Generate unique resource_id using the same method as item_message_id() + do { + $dups = false; + $resource_id = random_string(); + $r = q("SELECT mid FROM item WHERE resource_id = '%s' AND resource_type = '%s' AND uid = %d LIMIT 1", + dbesc($resource_id), + dbesc(NWIKI_ITEM_RESOURCE_TYPE), + intval($channel['channel_id']) + ); + if($r) + $dups = true; + } while($dups == true); + + $ac = $acl->get(); + $mid = item_message_id(); + + $arr = array(); // Initialize the array of parameters for the post + $item_hidden = ((intval($wiki['postVisible']) === 0) ? 1 : 0); + $wiki_url = z_root() . '/wiki/' . $channel['channel_address'] . '/' . $wiki['urlName']; + $arr['aid'] = $channel['channel_account_id']; + $arr['uid'] = $channel['channel_id']; + $arr['mid'] = $mid; + $arr['parent_mid'] = $mid; + $arr['item_hidden'] = $item_hidden; + $arr['resource_type'] = NWIKI_ITEM_RESOURCE_TYPE; + $arr['resource_id'] = $resource_id; + $arr['owner_xchan'] = $channel['channel_hash']; + $arr['author_xchan'] = $observer_hash; + $arr['plink'] = z_root() . '/channel/' . $channel['channel_address'] . '/?f=&mid=' . $arr['mid']; + $arr['llink'] = $arr['plink']; + $arr['title'] = $wiki['htmlName']; // name of new wiki; + $arr['allow_cid'] = $ac['allow_cid']; + $arr['allow_gid'] = $ac['allow_gid']; + $arr['deny_cid'] = $ac['deny_cid']; + $arr['deny_gid'] = $ac['deny_gid']; + $arr['item_wall'] = 1; + $arr['item_origin'] = 1; + $arr['item_thread_top'] = 1; + $arr['item_private'] = intval($acl->is_private()); + $arr['verb'] = ACTIVITY_CREATE; + $arr['obj_type'] = ACTIVITY_OBJ_WIKI; + $arr['body'] = '[table][tr][td][h1]New Wiki[/h1][/td][/tr][tr][td][zrl=' . $wiki_url . ']' . $wiki['htmlName'] . '[/zrl][/td][/tr][/table]'; + + // Save the wiki name information using iconfig. This is shareable. + if(! set_iconfig($arr, 'wiki', 'rawName', $wiki['rawName'], true)) { + return array('item' => null, 'success' => false); + } + if(! set_iconfig($arr, 'wiki', 'htmlName', $wiki['htmlName'], true)) { + return array('item' => null, 'success' => false); + } + if(! set_iconfig($arr, 'wiki', 'urlName', $wiki['urlName'], true)) { + return array('item' => null, 'success' => false); + } + if(! set_iconfig($arr, 'wiki', 'mimeType', $wiki['mimeType'], true)) { + return array('item' => null, 'success' => false); + } + + $post = item_store($arr); + $item_id = $post['item_id']; + + if($item_id) { + \Zotlabs\Daemon\Master::Summon(array('Notifier', 'activity', $item_id)); + return array('item' => $post['item'], 'success' => true); + } + else { + return array('item' => null, 'success' => false); + } + } + + function delete_wiki($channel_id,$observer_hash,$resource_id) { + + $w = self::get_wiki($channel_id,$observer_hash,$resource_id); + $item = $w['wiki']; + if(! $item) { + return array('item' => null, 'success' => false); + } + else { + $drop = drop_item($item['id'], false, DROPITEM_NORMAL, true); + } + + info( t('Wiki files deleted successfully')); + + return array('item' => $item, 'success' => (($drop === 1) ? true : false)); + } + + + static public function get_wiki($channel_id, $observer_hash, $resource_id) { + + $sql_extra = item_permissions_sql($channel_id,$observer_hash); + + $item = q("SELECT * FROM item WHERE uid = %d AND resource_type = '%s' AND resource_id = '%s' AND item_deleted = 0 + $sql_extra limit 1", + intval($channel_id), + dbesc(NWIKI_ITEM_RESOURCE_TYPE), + dbesc($resource_id) + ); + if(! $item) { + return array('wiki' => null); + } + else { + + $w = $item[0]; // wiki item table record + // Get wiki metadata + $rawName = get_iconfig($w, 'wiki', 'rawName'); + $htmlName = get_iconfig($w, 'wiki', 'htmlName'); + $urlName = get_iconfig($w, 'wiki', 'urlName'); + $mimeType = get_iconfig($w, 'wiki', 'mimeType'); + + return array( + 'wiki' => $w, + 'rawName' => $rawName, + 'htmlName' => $htmlName, + 'urlName' => $urlName, + 'mimeType' => $mimeType + ); + } + } + + + static public function exists_by_name($uid, $urlName) { + + $sql_extra = item_permissions_sql($uid); + + $item = q("SELECT id, resource_id FROM item WHERE resource_type = '%s' AND title = '%s' AND uid = %d + AND item_deleted = 0 $sql_extra limit 1", + dbesc(NWIKI_ITEM_RESOURCE_TYPE), + dbesc(escape_tags(urldecode($urlName))), + intval($uid) + ); + + if($item) { + return array('id' => $item[0]['id'], 'resource_id' => $item[0]['resource_id']); + } + else { + return array('id' => null, 'resource_id' => null); + } + } + + + static public function get_permissions($resource_id, $owner_id, $observer_hash) { + // TODO: For now, only the owner can edit + $sql_extra = item_permissions_sql($owner_id, $observer_hash); + + if(local_channel() && local_channel() == $owner_id) { + return [ 'read' => true, 'write' => true, 'success' => true ]; + } + + $r = q("SELECT * FROM item WHERE uid = %d and resource_type = '%s' AND resource_id = '%s' $sql_extra LIMIT 1", + intval($owner_id), + dbesc(NWIKI_ITEM_RESOURCE_TYPE), + dbesc($resource_id) + ); + + if(! $r) { + return array('read' => false, 'write' => false, 'success' => true); + } + else { + // TODO: Create a new permission setting for wiki analogous to webpages. Until + // then, use webpage permissions + $write = perm_is_allowed($owner_id, $observer_hash,'write_pages'); + return array('read' => true, 'write' => $write, 'success' => true); + } + } +}
\ No newline at end of file diff --git a/Zotlabs/Lib/NativeWikiPage.php b/Zotlabs/Lib/NativeWikiPage.php new file mode 100644 index 000000000..c78661654 --- /dev/null +++ b/Zotlabs/Lib/NativeWikiPage.php @@ -0,0 +1,621 @@ +<?php + +namespace Zotlabs\Lib; + +use \Zotlabs\Lib as Zlib; + +class NativeWikiPage { + + static public function page_list($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 $sql_extra group by mid", + dbesc($resource_id), + intval($channel_id) + ); + if($r) { + $items = fetch_post_tags($r,true); + foreach($items as $page_item) { + $title = get_iconfig($page_item['id'],'nwikipage','pagetitle',t('(No Title)')); + if(urldecode($title) !== 'Home') { + $pages[] = [ + 'resource_id' => $resource_id, + 'title' => urldecode($title), + 'url' => $title, + 'link_id' => 'id_' . substr($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) { + + $w = Zlib\NativeWiki::get_wiki($channel_id, $observer_hash, $resource_id); + + // create an empty activity + + $arr = []; + $arr['uid'] = $channel_id; + $arr['author_xchan'] = $observer_hash; + $arr['resource_type'] = 'nwikipage'; + $arr['resource_id'] = $resource_id; + + set_iconfig($arr,'nwikipage','pagetitle',urlencode(($name) ? $name : t('(No Title)')),true); + + post_activity_item($arr, false, false); + + $page = [ + 'rawName' => $name, + 'htmlName' => escape_tags($name), + 'urlName' => urlencode(escape_tags($name)), + 'fileName' => urlencode(escape_tags($name)) . Zlib\NativeWikiPage::get_file_ext($w) + ]; + + return array('page' => $page, 'wiki' => $w, 'message' => '', 'success' => true); + } + + static public function rename_page($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['path']) { + return array('message' => t('Wiki not found.'), 'success' => false); + } + + $page_path_old = $w['path'] . '/' . $pageUrlName . \Zlib\NativeWikiPage::get_file_ext($w); + + if(! is_readable($page_path_old) === true) { + return array('message' => 'Cannot read wiki page: ' . $page_path_old, 'success' => false); + } + + $page = [ + 'rawName' => $pageNewName, + 'htmlName' => escape_tags($pageNewName), + 'urlName' => urlencode(escape_tags($pageNewName)), + 'fileName' => urlencode(escape_tags($pageNewName)) . \Zlib\NativeWikiPage::get_file_ext($w) + ]; + + $page_path_new = $w['path'] . '/' . $page['fileName'] ; + + if(is_file($page_path_new)) { + return array('message' => 'Page already exists.', 'success' => false); + } + + // Rename the page file in the wiki repo + if(! rename($page_path_old, $page_path_new)) { + return array('message' => 'Error renaming page file.', 'success' => false); + } + else { + return array('page' => $page, 'message' => '', 'success' => true); + } + + } + + static public function get_page_content($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 = $item['body']; + + return [ + 'content' => json_encode($content), + 'mimeType' => $w['mimeType'], + 'message' => '', + 'success' => true + ]; + } + + return array('content' => null, 'message' => t('Error reading page content'), 'success' => false); + + } + + static public function page_history($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['created']), + '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) { +logger('arr: ' . print_r($arr,true)); + $pageUrlName = ((array_key_exists('pageUrlName',$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 = ''; +dbg(0); + $ic = q("select * from iconfig left join item on iconfig.iid = item.id where uid = %d and cat = 'nwikipage' and k = 'pagetitle' and v = '%s'", + intval($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($channel_id) + ); +dbg(0); + if($r) { + $items = fetch_post_tags($r,true); + return $items[0]; + } + } +dbg(0); + return null; + } + + static public function load_page_history($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 ) $sql_extra", + dbesc($resource_id), + intval($channel_id) + ); + if($r) { + xchan_query($r); + $items = fetch_post_tags($r,true); + return $items; + } + } + + return null; + } + + + + static public function prepare_content($s) { + + $text = preg_replace_callback('{ + (?:\n\n|\A\n?) + ( # $1 = the code block -- one or more lines, starting with a space/tab + (?> + [ ]{'.'4'.'} # Lines must start with a tab or a tab-width of spaces + .*\n+ + )+ + ) + ((?=^[ ]{0,'.'4'.'}\S)|\Z) # Lookahead for non-space at line-start, or end of doc + }xm', + 'self::nwiki_prepare_content_callback', $s); + + return $text; + } + + static public function nwiki_prepare_content_callback($matches) { + $codeblock = $matches[1]; + + $codeblock = htmlspecialchars($codeblock, ENT_NOQUOTES, UTF8, false); + return "\n\n" . $codeblock ; + } + + + + static public function save_page($arr) { + + $pageUrlName = ((array_key_exists('pageUrlName',$arr)) ? $arr['pageUrlName'] : ''); + $content = ((array_key_exists('content',$arr)) ? purify_html(Zlib\NativeWikiPage::prepare_content($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); + } + + $item = self::load_page($arr); + if(! $item) { + return array('message' => t('Page not found'), 'success' => false); + } + unset($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); + + 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' => '', '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['path']) { + return array('message' => t('Error reading wiki'), 'success' => false); + } + $page_path = $w['path'] . '/' . $pageUrlName . wiki_get_file_ext($w); + if (is_writable($page_path) === true) { + if(!unlink($page_path)) { + return array('message' => t('Error deleting page file'), 'success' => false); + } + return array('message' => '', 'success' => true); + } + else { + return array('message' => t('Page file not writable'), 'success' => false); + } + } + + 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'] : 'HEAD'); + $compareCommit = ((array_key_exists('compareCommit',$arr)) ? $arr['compareCommit'] : 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 (! $compareCommit) { + return array('message' => t('No compare commit was provided'), 'success' => false); + } + + $w = Zlib\NativeWiki::get_wiki($channel_id, $observer_hash, $resource_id); + + if (!$w['path']) { + return array('message' => t('Error reading wiki'), 'success' => false); + } + $page_path = $w['path'] . '/' . $pageUrlName . \Zlib\NativeWikiPage::get_file_ext($w); + if (is_readable($page_path) === true) { + $reponame = ((array_key_exists('title', $w['wiki'])) ? urlencode($w['wiki']['title']) : 'repo'); + if($reponame === '') { + $reponame = 'repo'; + } + $git = new GitRepo('', null, false, $w['wiki']['title'], $w['path']); + $compareContent = $currentContent = ''; + try { + foreach ($git->git->tree($currentCommit) as $object) { + if ($object['type'] == 'blob' && $object['file'] === $pageUrlName . wiki_get_file_ext($w)) { + $currentContent = $git->git->cat->blob($object['hash']); + } + } + foreach ($git->git->tree($compareCommit) as $object) { + if ($object['type'] == 'blob' && $object['file'] === $pageUrlName . wiki_get_file_ext($w)) { + $compareContent = $git->git->cat->blob($object['hash']); + } + } + require_once('library/class.Diff.php'); + $diff = Diff::toTable(Diff::compare($currentContent, $compareContent)); + } + catch (\PHPGit\Exception\GitException $e) { + return array('message' => t('GitRepo error thrown'), 'success' => false); + } + return array('diff' => $diff, 'message' => '', 'success' => true); + } + else { + return array('message' => t('Page file not writable'), 'success' => false); + } + } + + static public function commit($arr) { +logger('committing'); + $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); +logger('commit: page: ' . print_r($page,true)); + if($page) { + set_iconfig($page['id'],'nwikipage','commit_msg',escape_tags($commit_msg),true); + return [ 'success' => true, '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))); + $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; + } + + /** + * 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); + + $observer = App::get_observer(); + if ($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($arr['mimeType'] == 'text/bbcode') + return '.bb'; + else + return '.md'; + } + + // This function is derived from + // http://stackoverflow.com/questions/32068537/generate-table-of-contents-from-markdown-in-php + static public function toc($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; + } + +}
\ No newline at end of file |