mirror of
https://github.com/YunoHost-Apps/hubzilla_ynh.git
synced 2024-09-03 19:26:21 +02:00
664 lines
24 KiB
PHP
664 lines
24 KiB
PHP
<?php
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/**
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* @file include/wiki.php
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* @brief Wiki related functions.
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*/
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use \Zotlabs\Storage\GitRepo as GitRepo;
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define ( 'WIKI_ITEM_RESOURCE_TYPE', 'wiki' );
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function wiki_list($channel, $observer_hash) {
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$sql_extra = item_permissions_sql($channel['channel_id'], $observer_hash);
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$wikis = q("SELECT * FROM item WHERE resource_type = '%s' AND mid = parent_mid AND uid = %d AND item_deleted = 0 $sql_extra",
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dbesc(WIKI_ITEM_RESOURCE_TYPE),
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intval($channel['channel_id'])
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);
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if($wikis) {
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foreach($wikis as &$w) {
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$w['rawName'] = get_iconfig($w, 'wiki', 'rawName');
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$w['htmlName'] = get_iconfig($w, 'wiki', 'htmlName');
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$w['urlName'] = get_iconfig($w, 'wiki', 'urlName');
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$w['path'] = get_iconfig($w, 'wiki', 'path');
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$w['mimeType'] = get_iconfig($w, 'wiki', 'mimeType');
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$w['lock'] = (($w['allow_cid'] || $w['allow_gid'] || $w['deny_cid'] || $w['deny_gid']) ? true : false);
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}
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}
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// TODO: query db for wikis the observer can access. Return with two lists, for read and write access
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return array('wikis' => $wikis);
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}
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function wiki_page_list($resource_id) {
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// TODO: Create item table records for pages so that metadata like title can be applied
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$w = wiki_get_wiki($resource_id);
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if (!$w['path']) {
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return array('pages' => null, 'wiki' => null);
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}
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$pages[] = [
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'resource_id' => '',
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'title' => 'Home',
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'url' => 'Home',
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'link_id' => 'id_wiki_home_0'
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];
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if (is_dir($w['path']) === true) {
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$files = array_diff(scandir($w['path']), array('.', '..', '.git'));
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// TODO: Check that the files are all text files
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$i = 1;
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foreach($files as $file) {
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// strip the file extension and unwrap URL encoding to leave HTML encoded name
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$title = substr($file, 0, strrpos($file,'.'));
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if(urldecode($title) !== 'Home') {
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$pages[] = [
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'resource_id' => $resource_id,
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'title' => urldecode($title),
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'url' => $title,
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'link_id' => 'id_' . substr($resource_id, 0, 10) . '_' . $i
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];
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$i++;
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}
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}
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}
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return array('pages' => $pages, 'wiki' => $w);
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}
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function wiki_init_wiki($channel, $wiki) {
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// Store the path as a relative path, but pass absolute path to mkdir
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$path = 'store/[data]/git/'.$channel['channel_address'].'/wiki/'.$wiki['urlName'];
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if (!os_mkdir(__DIR__ . '/../' . $path, 0770, true)) {
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logger('Error creating wiki path: ' . $path);
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return null;
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}
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// Create GitRepo object
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$git = new GitRepo($channel['channel_address'], null, false, $wiki['urlName'], __DIR__ . '/../' . $path);
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if(!$git->initRepo()) {
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logger('Error creating new git repo in ' . $git->path);
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return null;
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}
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return array('path' => $path);
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}
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function wiki_create_wiki($channel, $observer_hash, $wiki, $acl) {
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$wikiinit = wiki_init_wiki($channel, $wiki);
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if (!$wikiinit['path']) {
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notice('Error creating wiki');
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return array('item' => null, 'success' => false);
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}
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$path = $wikiinit['path'];
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// Generate unique resource_id using the same method as item_message_id()
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do {
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$dups = false;
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$resource_id = random_string();
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$r = q("SELECT mid FROM item WHERE resource_id = '%s' AND resource_type = '%s' AND uid = %d LIMIT 1",
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dbesc($resource_id),
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dbesc(WIKI_ITEM_RESOURCE_TYPE),
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intval($channel['channel_id'])
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);
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if (count($r))
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$dups = true;
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} while ($dups == true);
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$ac = $acl->get();
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$mid = item_message_id();
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$arr = array(); // Initialize the array of parameters for the post
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$item_hidden = ((intval($wiki['postVisible']) === 0) ? 1 : 0);
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$wiki_url = z_root() . '/wiki/' . $channel['channel_address'] . '/' . $wiki['urlName'];
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$arr['aid'] = $channel['channel_account_id'];
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$arr['uid'] = $channel['channel_id'];
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$arr['mid'] = $mid;
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$arr['parent_mid'] = $mid;
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$arr['item_hidden'] = $item_hidden;
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$arr['resource_type'] = WIKI_ITEM_RESOURCE_TYPE;
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$arr['resource_id'] = $resource_id;
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$arr['owner_xchan'] = $channel['channel_hash'];
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$arr['author_xchan'] = $observer_hash;
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$arr['plink'] = z_root() . '/channel/' . $channel['channel_address'] . '/?f=&mid=' . $arr['mid'];
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$arr['llink'] = $arr['plink'];
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$arr['title'] = $wiki['htmlName']; // name of new wiki;
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$arr['allow_cid'] = $ac['allow_cid'];
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$arr['allow_gid'] = $ac['allow_gid'];
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$arr['deny_cid'] = $ac['deny_cid'];
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$arr['deny_gid'] = $ac['deny_gid'];
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$arr['item_wall'] = 1;
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$arr['item_origin'] = 1;
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$arr['item_thread_top'] = 1;
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$arr['item_private'] = intval($acl->is_private());
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$arr['verb'] = ACTIVITY_CREATE;
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$arr['obj_type'] = ACTIVITY_OBJ_WIKI;
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$arr['body'] = '[table][tr][td][h1]New Wiki[/h1][/td][/tr][tr][td][zrl=' . $wiki_url . ']' . $wiki['htmlName'] . '[/zrl][/td][/tr][/table]';
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// Save the path using iconfig. The file path should not be shared with other hubs
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if (!set_iconfig($arr, 'wiki', 'path', $path, false)) {
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return array('item' => null, 'success' => false);
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}
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// Save the wiki name information using iconfig. This is shareable.
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if (!set_iconfig($arr, 'wiki', 'rawName', $wiki['rawName'], true)) {
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return array('item' => null, 'success' => false);
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}
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if (!set_iconfig($arr, 'wiki', 'htmlName', $wiki['htmlName'], true)) {
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return array('item' => null, 'success' => false);
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}
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if (!set_iconfig($arr, 'wiki', 'urlName', $wiki['urlName'], true)) {
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return array('item' => null, 'success' => false);
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}
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if (!set_iconfig($arr, 'wiki', 'mimeType', $wiki['mimeType'], true)) {
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return array('item' => null, 'success' => false);
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}
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$post = item_store($arr);
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$item_id = $post['item_id'];
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if ($item_id) {
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\Zotlabs\Daemon\Master::Summon(array('Notifier', 'activity', $item_id));
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return array('item' => $post['item'], 'success' => true);
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} else {
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return array('item' => null, 'success' => false);
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}
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}
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function wiki_delete_wiki($resource_id) {
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$w = wiki_get_wiki($resource_id);
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$item = $w['wiki'];
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if (!$item || !$w['path']) {
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return array('item' => null, 'success' => false);
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} else {
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$drop = drop_item($item['id'], false, DROPITEM_NORMAL, true);
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$pathdel = rrmdir($w['path']);
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if ($pathdel) {
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info('Wiki files deleted successfully');
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}
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return array('item' => $item, 'success' => (($drop === 1 && $pathdel) ? true : false));
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}
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}
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function wiki_get_wiki($resource_id) {
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$item = q("SELECT * FROM item WHERE resource_type = '%s' AND resource_id = '%s' AND item_deleted = 0 limit 1",
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dbesc(WIKI_ITEM_RESOURCE_TYPE),
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dbesc($resource_id)
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);
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if (!$item) {
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return array('wiki' => null, 'path' => null);
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} else {
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$w = $item[0]; // wiki item table record
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// Get wiki metadata
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$rawName = get_iconfig($w, 'wiki', 'rawName');
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$htmlName = get_iconfig($w, 'wiki', 'htmlName');
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$urlName = get_iconfig($w, 'wiki', 'urlName');
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$mimeType = get_iconfig($w, 'wiki', 'mimeType');
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$path = get_iconfig($w, 'wiki', 'path');
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if (!realpath(__DIR__ . '/../' . $path)) {
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return array('wiki' => null, 'path' => null);
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}
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// Path to wiki exists
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$abs_path = realpath(__DIR__ . '/../' . $path);
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return array(
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'wiki' => $w,
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'path' => $abs_path,
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'rawName' => $rawName,
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'htmlName' => $htmlName,
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'urlName' => $urlName,
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'mimeType' => $mimeType
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);
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}
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}
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function wiki_exists_by_name($uid, $urlName) {
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$item = q("SELECT id,resource_id FROM item WHERE resource_type = '%s' AND title = '%s' AND uid = '%s' AND item_deleted = 0 limit 1",
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dbesc(WIKI_ITEM_RESOURCE_TYPE),
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dbesc(escape_tags(urldecode($urlName))),
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dbesc($uid)
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);
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if (!$item) {
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return array('id' => null, 'resource_id' => null);
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} else {
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return array('id' => $item[0]['id'], 'resource_id' => $item[0]['resource_id']);
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}
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}
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function wiki_get_permissions($resource_id, $owner_id, $observer_hash) {
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// TODO: For now, only the owner can edit
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$sql_extra = item_permissions_sql($owner_id, $observer_hash);
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if(local_channel() && local_channel == $owner_id) {
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return [ 'read' => true, 'write' => true, 'success' => true ];
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}
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$r = q("SELECT * FROM item WHERE uid = %d and resource_type = '%s' AND resource_id = '%s' $sql_extra LIMIT 1",
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intval($owner_id),
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dbesc(WIKI_ITEM_RESOURCE_TYPE),
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dbesc($resource_id)
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);
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if (!$r) {
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return array('read' => false, 'write' => false, 'success' => true);
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} else {
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// TODO: Create a new permission setting for wiki analogous to webpages. Until
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// then, use webpage permissions
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$write = perm_is_allowed($owner_id, $observer_hash,'write_pages');
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return array('read' => true, 'write' => $write, 'success' => true);
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}
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}
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function wiki_create_page($name, $resource_id) {
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$w = wiki_get_wiki($resource_id);
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if (!$w['path']) {
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return array('page' => null, 'wiki' => null, 'message' => 'Wiki not found.', 'success' => false);
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}
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$page = array('rawName' => $name, 'htmlName' => escape_tags($name), 'urlName' => urlencode(escape_tags($name)), 'fileName' => urlencode(escape_tags($name)) . wiki_get_file_ext($w));
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$page_path = $w['path'] . '/' . $page['fileName'];
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if (is_file($page_path)) {
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return array('page' => null, 'wiki' => null, 'message' => 'Page already exists.', 'success' => false);
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}
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// Create the page file in the wiki repo
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if(!touch($page_path)) {
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return array('page' => null, 'wiki' => null, 'message' => 'Page file cannot be created.', 'success' => false);
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} else {
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return array('page' => $page, 'wiki' => $w, 'message' => '', 'success' => true);
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}
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}
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function wiki_rename_page($arr) {
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$pageUrlName = ((array_key_exists('pageUrlName',$arr)) ? $arr['pageUrlName'] : '');
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$pageNewName = ((array_key_exists('pageNewName',$arr)) ? $arr['pageNewName'] : '');
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$resource_id = ((array_key_exists('resource_id',$arr)) ? $arr['resource_id'] : '');
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$w = wiki_get_wiki($resource_id);
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if (!$w['path']) {
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return array('message' => 'Wiki not found.', 'success' => false);
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}
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$page_path_old = $w['path'] . '/' . $pageUrlName . wiki_get_file_ext($w);
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if (!is_readable($page_path_old) === true) {
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return array('message' => 'Cannot read wiki page: ' . $page_path_old, 'success' => false);
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}
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$page = array('rawName' => $pageNewName, 'htmlName' => escape_tags($pageNewName), 'urlName' => urlencode(escape_tags($pageNewName)), 'fileName' => urlencode(escape_tags($pageNewName)) . wiki_get_file_ext($w));
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$page_path_new = $w['path'] . '/' . $page['fileName'] ;
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if (is_file($page_path_new)) {
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return array('message' => 'Page already exists.', 'success' => false);
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}
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// Rename the page file in the wiki repo
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if(!rename($page_path_old, $page_path_new)) {
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return array('message' => 'Error renaming page file.', 'success' => false);
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} else {
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return array('page' => $page, 'message' => '', 'success' => true);
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}
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}
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function wiki_get_page_content($arr) {
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$pageUrlName = ((array_key_exists('pageUrlName',$arr)) ? $arr['pageUrlName'] : '');
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$resource_id = ((array_key_exists('resource_id',$arr)) ? $arr['resource_id'] : '');
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$w = wiki_get_wiki($resource_id);
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if (!$w['path']) {
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return array('content' => null, 'message' => 'Error reading wiki', 'success' => false);
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}
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$page_path = $w['path'] . '/' . $pageUrlName . wiki_get_file_ext($w);
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if (is_readable($page_path) === true) {
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if(filesize($page_path) === 0) {
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$content = '';
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} else {
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$content = file_get_contents($page_path);
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if(!$content) {
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return array('content' => null, 'message' => 'Error reading page content', 'success' => false);
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}
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}
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// TODO: Check that the files are all text files
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return array('content' => json_encode($content), 'mimeType' => $w['mimeType'], 'message' => '', 'success' => true);
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}
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}
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function wiki_page_history($arr) {
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$pageUrlName = ((array_key_exists('pageUrlName',$arr)) ? $arr['pageUrlName'] : '');
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$resource_id = ((array_key_exists('resource_id',$arr)) ? $arr['resource_id'] : '');
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$w = wiki_get_wiki($resource_id);
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if (!$w['path']) {
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return array('history' => null, 'message' => 'Error reading wiki', 'success' => false);
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}
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$page_path = $w['path'] . '/' . $pageUrlName . wiki_get_file_ext($w);
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if (!is_readable($page_path) === true) {
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return array('history' => null, 'message' => 'Cannot read wiki page: ' . $page_path, 'success' => false);
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}
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$reponame = ((array_key_exists('title', $w['wiki'])) ? $w['wiki']['title'] : 'repo');
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if($reponame === '') {
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$reponame = 'repo';
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}
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$git = new GitRepo('', null, false, $w['wiki']['title'], $w['path']);
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try {
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$gitlog = $git->git->log('', $page_path , array('limit' => 500));
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return array('history' => $gitlog, 'message' => '', 'success' => true);
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} catch (\PHPGit\Exception\GitException $e) {
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return array('history' => null, 'message' => 'GitRepo error thrown', 'success' => false);
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}
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}
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function wiki_prepare_content($s) {
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$text = preg_replace_callback('{
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(?:\n\n|\A\n?)
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( # $1 = the code block -- one or more lines, starting with a space/tab
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(?>
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[ ]{'.'4'.'} # Lines must start with a tab or a tab-width of spaces
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.*\n+
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)+
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)
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((?=^[ ]{0,'.'4'.'}\S)|\Z) # Lookahead for non-space at line-start, or end of doc
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}xm',
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'wiki_prepare_content_callback', $s);
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return $text;
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}
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function wiki_prepare_content_callback($matches) {
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$codeblock = $matches[1];
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$codeblock = htmlspecialchars($codeblock, ENT_NOQUOTES, UTF8, false);
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return "\n\n" . $codeblock ;
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}
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function wiki_save_page($arr) {
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$pageUrlName = ((array_key_exists('pageUrlName',$arr)) ? $arr['pageUrlName'] : '');
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$content = ((array_key_exists('content',$arr)) ? purify_html(wiki_prepare_content($arr['content'])) : '');
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$resource_id = ((array_key_exists('resource_id',$arr)) ? $arr['resource_id'] : '');
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$w = wiki_get_wiki($resource_id);
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if (!$w['path']) {
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return array('message' => 'Error reading wiki', 'success' => false);
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}
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$fileName = $pageUrlName . wiki_get_file_ext($w);
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$page_path = $w['path'] . '/' . $fileName;
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if (is_writable($page_path) === true) {
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if(!file_put_contents($page_path, $content)) {
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return array('message' => 'Error writing to page file', 'success' => false);
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}
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return array('message' => '', 'filename' => $filename, 'success' => true);
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} else {
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return array('message' => 'Page file not writable', 'success' => false);
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}
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}
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function wiki_delete_page($arr) {
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$pageUrlName = ((array_key_exists('pageUrlName',$arr)) ? $arr['pageUrlName'] : '');
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$resource_id = ((array_key_exists('resource_id',$arr)) ? $arr['resource_id'] : '');
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$w = wiki_get_wiki($resource_id);
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if (!$w['path']) {
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return array('message' => 'Error reading wiki', 'success' => false);
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}
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$page_path = $w['path'] . '/' . $pageUrlName . wiki_get_file_ext($w);
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if (is_writable($page_path) === true) {
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if(!unlink($page_path)) {
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return array('message' => 'Error deleting page file', 'success' => false);
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}
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return array('message' => '', 'success' => true);
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} else {
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return array('message' => 'Page file not writable', 'success' => false);
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}
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}
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function wiki_revert_page($arr) {
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$pageUrlName = ((array_key_exists('pageUrlName',$arr)) ? $arr['pageUrlName'] : '');
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$resource_id = ((array_key_exists('resource_id',$arr)) ? $arr['resource_id'] : '');
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$commitHash = ((array_key_exists('commitHash',$arr)) ? $arr['commitHash'] : null);
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if (! $commitHash) {
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return array('content' => $content, 'message' => 'No commit was provided', 'success' => false);
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}
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$w = wiki_get_wiki($resource_id);
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if (!$w['path']) {
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return array('content' => $content, 'message' => 'Error reading wiki', 'success' => false);
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}
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$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;
|
|
}
|