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-rw-r--r--include/wiki.php664
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diff --git a/include/wiki.php b/include/wiki.php
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--- a/include/wiki.php
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-<?php
-/**
- * @file include/wiki.php
- * @brief Wiki related functions.
- */
-
-use \Zotlabs\Storage\GitRepo as GitRepo;
-define ( 'WIKI_ITEM_RESOURCE_TYPE', 'wiki' );
-
-function wiki_list($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 $sql_extra",
- dbesc(WIKI_ITEM_RESOURCE_TYPE),
- intval($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');
- $w['path'] = get_iconfig($w, 'wiki', 'path');
- $w['mimeType'] = get_iconfig($w, 'wiki', 'mimeType');
- $w['lock'] = (($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' => $wikis);
-}
-
-function wiki_page_list($resource_id) {
- // TODO: Create item table records for pages so that metadata like title can be applied
- $w = wiki_get_wiki($resource_id);
- if (!$w['path']) {
- return array('pages' => null, 'wiki' => null);
- }
-
- $pages[] = [
- 'resource_id' => '',
- 'title' => 'Home',
- 'url' => 'Home',
- 'link_id' => 'id_wiki_home_0'
- ];
-
- if (is_dir($w['path']) === true) {
- $files = array_diff(scandir($w['path']), array('.', '..', '.git'));
- // TODO: Check that the files are all text files
- $i = 1;
- foreach($files as $file) {
- // strip the file extension and unwrap URL encoding to leave HTML encoded name
- $title = substr($file, 0, strrpos($file,'.'));
- if(urldecode($title) !== 'Home') {
- $pages[] = [
- 'resource_id' => $resource_id,
- 'title' => urldecode($title),
- 'url' => $title,
- 'link_id' => 'id_' . substr($resource_id, 0, 10) . '_' . $i
- ];
- $i++;
- }
- }
- }
-
- return array('pages' => $pages, 'wiki' => $w);
-}
-
-function wiki_init_wiki($channel, $wiki) {
- // Store the path as a relative path, but pass absolute path to mkdir
- $path = 'store/[data]/git/'.$channel['channel_address'].'/wiki/'.$wiki['urlName'];
- if (!os_mkdir(__DIR__ . '/../' . $path, 0770, true)) {
- logger('Error creating wiki path: ' . $path);
- return null;
- }
- // Create GitRepo object
- $git = new GitRepo($channel['channel_address'], null, false, $wiki['urlName'], __DIR__ . '/../' . $path);
- if(!$git->initRepo()) {
- logger('Error creating new git repo in ' . $git->path);
- return null;
- }
-
- return array('path' => $path);
-}
-
-function wiki_create_wiki($channel, $observer_hash, $wiki, $acl) {
- $wikiinit = wiki_init_wiki($channel, $wiki);
- if (!$wikiinit['path']) {
- notice('Error creating wiki');
- return array('item' => null, 'success' => false);
- }
- $path = $wikiinit['path'];
- // 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(WIKI_ITEM_RESOURCE_TYPE),
- intval($channel['channel_id'])
- );
- if (count($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'] = WIKI_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 . ']' . $wiki['htmlName'] . '[/zrl][/td][/tr][/table]';
- // Save the path using iconfig. The file path should not be shared with other hubs
- if (!set_iconfig($arr, 'wiki', 'path', $path, false)) {
- return array('item' => null, 'success' => false);
- }
- // Save the wiki name information using iconfig. This is shareable.
- if (!set_iconfig($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' => $post['item'], 'success' => true);
- } else {
- return array('item' => null, 'success' => false);
- }
-}
-
-function wiki_delete_wiki($resource_id) {
-
- $w = wiki_get_wiki($resource_id);
- $item = $w['wiki'];
- if (!$item || !$w['path']) {
- return array('item' => null, 'success' => false);
- } else {
- $drop = drop_item($item['id'], false, DROPITEM_NORMAL, true);
- $pathdel = rrmdir($w['path']);
- if ($pathdel) {
- info('Wiki files deleted successfully');
- }
- return array('item' => $item, 'success' => (($drop === 1 && $pathdel) ? true : false));
- }
-}
-
-function wiki_get_wiki($resource_id) {
- $item = q("SELECT * FROM item WHERE resource_type = '%s' AND resource_id = '%s' AND item_deleted = 0 limit 1",
- dbesc(WIKI_ITEM_RESOURCE_TYPE),
- dbesc($resource_id)
- );
- if (!$item) {
- return array('wiki' => null, 'path' => 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');
-
- $path = get_iconfig($w, 'wiki', 'path');
- if (!realpath(__DIR__ . '/../' . $path)) {
- return array('wiki' => null, 'path' => null);
- }
- // Path to wiki exists
- $abs_path = realpath(__DIR__ . '/../' . $path);
- return array(
- 'wiki' => $w,
- 'path' => $abs_path,
- 'rawName' => $rawName,
- 'htmlName' => $htmlName,
- 'urlName' => $urlName,
- 'mimeType' => $mimeType
- );
- }
-}
-
-function wiki_exists_by_name($uid, $urlName) {
- $item = q("SELECT id,resource_id FROM item WHERE resource_type = '%s' AND title = '%s' AND uid = '%s' AND item_deleted = 0 limit 1",
- dbesc(WIKI_ITEM_RESOURCE_TYPE),
- dbesc(escape_tags(urldecode($urlName))),
- dbesc($uid)
- );
- if (!$item) {
- return array('id' => null, 'resource_id' => null);
- } else {
- return array('id' => $item[0]['id'], 'resource_id' => $item[0]['resource_id']);
- }
-}
-
-function wiki_get_permissions($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(WIKI_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' => $write, 'success' => true);
- }
-}
-
-function wiki_create_page($name, $resource_id) {
- $w = wiki_get_wiki($resource_id);
- if (!$w['path']) {
- return array('page' => null, 'wiki' => null, 'message' => 'Wiki not found.', 'success' => false);
- }
-
- $page = array('rawName' => $name, 'htmlName' => escape_tags($name), 'urlName' => urlencode(escape_tags($name)), 'fileName' => urlencode(escape_tags($name)) . wiki_get_file_ext($w));
- $page_path = $w['path'] . '/' . $page['fileName'];
- if (is_file($page_path)) {
- return array('page' => null, 'wiki' => null, 'message' => 'Page already exists.', 'success' => false);
- }
- // Create the page file in the wiki repo
- if(!touch($page_path)) {
- return array('page' => null, 'wiki' => null, 'message' => 'Page file cannot be created.', 'success' => false);
- } else {
- return array('page' => $page, 'wiki' => $w, 'message' => '', 'success' => true);
- }
-
-}
-
-function wiki_rename_page($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'] : '');
- $w = wiki_get_wiki($resource_id);
- if (!$w['path']) {
- return array('message' => 'Wiki not found.', 'success' => false);
- }
- $page_path_old = $w['path'] . '/' . $pageUrlName . wiki_get_file_ext($w);
- if (!is_readable($page_path_old) === true) {
- return array('message' => 'Cannot read wiki page: ' . $page_path_old, 'success' => false);
- }
- $page = array('rawName' => $pageNewName, 'htmlName' => escape_tags($pageNewName), 'urlName' => urlencode(escape_tags($pageNewName)), 'fileName' => urlencode(escape_tags($pageNewName)) . wiki_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' => $page, 'message' => '', 'success' => true);
- }
-
-}
-
-function wiki_get_page_content($arr) {
- $pageUrlName = ((array_key_exists('pageUrlName',$arr)) ? $arr['pageUrlName'] : '');
- $resource_id = ((array_key_exists('resource_id',$arr)) ? $arr['resource_id'] : '');
- $w = wiki_get_wiki($resource_id);
- if (!$w['path']) {
- return array('content' => null, 'message' => 'Error reading wiki', 'success' => false);
- }
- $page_path = $w['path'] . '/' . $pageUrlName . wiki_get_file_ext($w);
- if (is_readable($page_path) === true) {
- if(filesize($page_path) === 0) {
- $content = '';
- } else {
- $content = file_get_contents($page_path);
- if(!$content) {
- return array('content' => null, 'message' => 'Error reading page content', 'success' => false);
- }
- }
- // TODO: Check that the files are all text files
- return array('content' => json_encode($content), 'mimeType' => $w['mimeType'], 'message' => '', 'success' => true);
- }
-}
-
-function wiki_page_history($arr) {
- $pageUrlName = ((array_key_exists('pageUrlName',$arr)) ? $arr['pageUrlName'] : '');
- $resource_id = ((array_key_exists('resource_id',$arr)) ? $arr['resource_id'] : '');
- $w = wiki_get_wiki($resource_id);
- if (!$w['path']) {
- return array('history' => null, 'message' => 'Error reading wiki', 'success' => false);
- }
- $page_path = $w['path'] . '/' . $pageUrlName . wiki_get_file_ext($w);
- if (!is_readable($page_path) === true) {
- return array('history' => null, 'message' => 'Cannot read wiki page: ' . $page_path, 'success' => false);
- }
- $reponame = ((array_key_exists('title', $w['wiki'])) ? $w['wiki']['title'] : 'repo');
- if($reponame === '') {
- $reponame = 'repo';
- }
- $git = new GitRepo('', null, false, $w['wiki']['title'], $w['path']);
- try {
- $gitlog = $git->git->log('', $page_path , array('limit' => 500));
- return array('history' => $gitlog, 'message' => '', 'success' => true);
- } catch (\PHPGit\Exception\GitException $e) {
- return array('history' => null, 'message' => 'GitRepo error thrown', 'success' => false);
- }
-}
-
-function wiki_prepare_content($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',
- 'wiki_prepare_content_callback', $s);
-
- return $text;
-}
-
-function wiki_prepare_content_callback($matches) {
- $codeblock = $matches[1];
-
- $codeblock = htmlspecialchars($codeblock, ENT_NOQUOTES, UTF8, false);
- return "\n\n" . $codeblock ;
-}
-
-
-
-function wiki_save_page($arr) {
- $pageUrlName = ((array_key_exists('pageUrlName',$arr)) ? $arr['pageUrlName'] : '');
- $content = ((array_key_exists('content',$arr)) ? purify_html(wiki_prepare_content($arr['content'])) : '');
- $resource_id = ((array_key_exists('resource_id',$arr)) ? $arr['resource_id'] : '');
- $w = wiki_get_wiki($resource_id);
- if (!$w['path']) {
- return array('message' => 'Error reading wiki', 'success' => false);
- }
-
- $fileName = $pageUrlName . wiki_get_file_ext($w);
- $page_path = $w['path'] . '/' . $fileName;
- if (is_writable($page_path) === true) {
- if(!file_put_contents($page_path, $content)) {
- return array('message' => 'Error writing to page file', 'success' => false);
- }
- return array('message' => '', 'filename' => $filename, 'success' => true);
- } else {
- return array('message' => 'Page file not writable', 'success' => false);
- }
-}
-
-function wiki_delete_page($arr) {
- $pageUrlName = ((array_key_exists('pageUrlName',$arr)) ? $arr['pageUrlName'] : '');
- $resource_id = ((array_key_exists('resource_id',$arr)) ? $arr['resource_id'] : '');
- $w = wiki_get_wiki($resource_id);
- if (!$w['path']) {
- return array('message' => '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' => 'Error deleting page file', 'success' => false);
- }
- return array('message' => '', 'success' => true);
- } else {
- return array('message' => 'Page file not writable', 'success' => false);
- }
-}
-
-function wiki_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);
- if (! $commitHash) {
- return array('content' => $content, 'message' => 'No commit was provided', 'success' => false);
- }
- $w = wiki_get_wiki($resource_id);
- if (!$w['path']) {
- return array('content' => $content, 'message' => 'Error reading wiki', 'success' => false);
- }
- $page_path = $w['path'] . '/' . $pageUrlName . wiki_get_file_ext($w);
- if (is_writable($page_path) === true) {
-
- $reponame = ((array_key_exists('title', $w['wiki'])) ? urlencode($w['wiki']['title']) : 'repo');
- if($reponame === '') {
- $reponame = 'repo';
- }
- $git = new GitRepo($observer['xchan_addr'], null, false, $w['wiki']['title'], $w['path']);
- $content = null;
- try {
- $git->setIdentity($observer['xchan_name'], $observer['xchan_addr']);
- foreach ($git->git->tree($commitHash) as $object) {
- if ($object['type'] == 'blob' && $object['file'] === $pageUrlName . wiki_get_file_ext($w)) {
- $content = $git->git->cat->blob($object['hash']);
- }
- }
- } catch (\PHPGit\Exception\GitException $e) {
- return array('content' => $content, 'message' => 'GitRepo error thrown', 'success' => false);
- }
- return array('content' => $content, 'message' => '', 'success' => true);
- } else {
- return array('content' => $content, 'message' => 'Page file not writable', 'success' => false);
- }
-}
-
-function wiki_compare_page($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);
- if (! $compareCommit) {
- return array('message' => 'No compare commit was provided', 'success' => false);
- }
- $w = wiki_get_wiki($resource_id);
- if (!$w['path']) {
- return array('message' => 'Error reading wiki', 'success' => false);
- }
- $page_path = $w['path'] . '/' . $pageUrlName . wiki_get_file_ext($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' => 'GitRepo error thrown', 'success' => false);
- }
- return array('diff' => $diff, 'message' => '', 'success' => true);
- } else {
- return array('message' => 'Page file not writable', 'success' => false);
- }
-}
-
-function wiki_git_commit($arr) {
- $files = ((array_key_exists('files', $arr)) ? $arr['files'] : null);
- $all = ((array_key_exists('all', $arr)) ? $arr['all'] : false);
- $commit_msg = ((array_key_exists('commit_msg', $arr)) ? $arr['commit_msg'] : 'Repo updated');
- if(array_key_exists('resource_id', $arr)) {
- $resource_id = $arr['resource_id'];
- } else {
- return array('message' => 'Wiki resource_id required for git commit', 'success' => false);
- }
- if(array_key_exists('observer', $arr)) {
- $observer = $arr['observer'];
- } else {
- return array('message' => 'Observer required for git commit', 'success' => false);
- }
- $w = wiki_get_wiki($resource_id);
- if (!$w['path']) {
- return array('message' => 'Error reading wiki', 'success' => false);
- }
- $reponame = ((array_key_exists('title', $w['wiki'])) ? urlencode($w['wiki']['title']) : 'repo');
- if($reponame === '') {
- $reponame = 'repo';
- }
- $git = new GitRepo($observer['xchan_addr'], null, false, $w['wiki']['title'], $w['path']);
- try {
- $git->setIdentity($observer['xchan_name'], $observer['xchan_addr']);
- if ($files === null) {
- $options = array('all' => true); // git commit option to include all changes
- } else {
- $options = array('all' => $all); // git commit options\
- foreach ($files as $file) {
- if (!$git->git->add($file)) { // add specified files to the git repo stage
- if (!$git->git->reset->hard()) {
- return array('message' => 'Error adding file to git stage: ' . $file . '. Error resetting git repo.', 'success' => false);
- }
- return array('message' => 'Error adding file to git stage: ' . $file, 'success' => false);
- }
- }
- }
- if ($git->commit($commit_msg, $options)) {
- return array('message' => 'Wiki repo commit succeeded', 'success' => true);
- } else {
- return array('message' => 'Wiki repo commit failed', 'success' => false);
- }
- } catch (\PHPGit\Exception\GitException $e) {
- return array('message' => 'GitRepo error thrown', 'success' => false);
- }
-}
-
-function wiki_convert_links($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 $s
- * @return string
- */
-function wiki_generate_toc($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 $s
- * @return string
- */
-function wiki_bbcode($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 $s;
-}
-
-function wiki_get_file_ext($arr) {
- if($arr['mimeType'] == 'text/bbcode')
- return '.bb';
- else
- return '.md';
-}
-
-// This function is derived from
-// http://stackoverflow.com/questions/32068537/generate-table-of-contents-from-markdown-in-php
-function wiki_toc($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;
-}