<?php /** @file */ namespace Zotlabs\Module; class Wiki extends \Zotlabs\Web\Controller { function init() { // Determine which channel's wikis to display to the observer $nick = null; if (argc() > 1) $nick = argv(1); // if the channel name is in the URL, use that if (!$nick && local_channel()) { // if no channel name was provided, assume the current logged in channel $channel = \App::get_channel(); if ($channel && $channel['channel_address']) { $nick = $channel['channel_address']; goaway(z_root() . '/wiki/' . $nick); } } if (!$nick) { notice(t('You must be logged in to see this page.') . EOL); goaway('/login'); } profile_load($nick); } function get() { if(observer_prohibited(true)) { return login(); } if(! feature_enabled(\App::$profile_uid,'wiki')) { notice( t('Not found') . EOL); return; } require_once('include/wiki.php'); require_once('include/acl_selectors.php'); require_once('include/conversation.php'); require_once('include/bbcode.php'); // TODO: Combine the interface configuration into a unified object // Something like $interface = array('new_page_button' => false, 'new_wiki_button' => false, ...) $wiki_owner = false; $showNewWikiButton = false; $pageHistory = array(); $local_observer = null; $resource_id = ''; // init() should have forced the URL to redirect to /wiki/channel so assume argc() > 1 $nick = argv(1); $owner = channelx_by_nick($nick); // The channel who owns the wikis being viewed if(! $owner) { notice( t('Invalid channel') . EOL); goaway('/' . argv(0)); } // Determine if the observer is the channel owner so the ACL dialog can be populated if (local_channel() === intval($owner['channel_id'])) { $wiki_owner = true; // Obtain the default permission settings of the channel $owner_acl = array( 'allow_cid' => $owner['channel_allow_cid'], 'allow_gid' => $owner['channel_allow_gid'], 'deny_cid' => $owner['channel_deny_cid'], 'deny_gid' => $owner['channel_deny_gid'] ); // Initialize the ACL to the channel default permissions $x = array( 'lockstate' => (( $owner['channel_allow_cid'] || $owner['channel_allow_gid'] || $owner['channel_deny_cid'] || $owner['channel_deny_gid']) ? 'lock' : 'unlock' ), 'acl' => populate_acl($owner_acl), 'allow_cid' => acl2json($owner_acl['allow_cid']), 'allow_gid' => acl2json($owner_acl['allow_gid']), 'deny_cid' => acl2json($owner_acl['deny_cid']), 'deny_gid' => acl2json($owner_acl['deny_gid']), 'bang' => '' ); } else { // Not the channel owner $owner_acl = $x = array(); } $is_owner = ((local_channel()) && (local_channel() == \App::$profile['profile_uid']) ? true : false); $o = profile_tabs($a, $is_owner, \App::$profile['channel_address']); // Download a wiki if((argc() > 3) && (argv(2) === 'download') && (argv(3) === 'wiki')) { $resource_id = argv(4); $w = wiki_get_wiki($resource_id); if(!$w['path']) { notice(t('Error retrieving wiki') . EOL); } $zip_folder_name = random_string(10); $zip_folderpath = '/tmp/' . $zip_folder_name; if(!mkdir($zip_folderpath, 0770, false)) { logger('Error creating zip file export folder: ' . $zip_folderpath, LOGGER_NORMAL); notice(t('Error creating zip file export folder') . EOL); } $zip_filename = $w['urlName']; $zip_filepath = '/tmp/' . $zip_folder_name . '/' . $zip_filename; // Generate the zip file \Zotlabs\Lib\ExtendedZip::zipTree($w['path'], $zip_filepath, \ZipArchive::CREATE); // Output the file for download header('Content-disposition: attachment; filename="' . $zip_filename . '.zip"'); header('Content-Type: application/zip'); $success = readfile($zip_filepath); if(!$success) { logger('Error downloading wiki: ' . $resource_id); notice(t('Error downloading wiki: ' . $resource_id) . EOL); } // delete temporary files rrmdir($zip_folderpath); killme(); } switch (argc()) { case 2: $wikis = wiki_list($owner, get_observer_hash()); if ($wikis) { $o .= replace_macros(get_markup_template('wikilist.tpl'), array( '$header' => t('Wikis'), '$channel' => $owner['channel_address'], '$wikis' => $wikis['wikis'], // If the observer is the local channel owner, show the wiki controls '$owner' => ((local_channel() && local_channel() === intval(\App::$profile['uid'])) ? true : false), '$edit' => t('Edit'), '$download' => t('Download'), '$view' => t('View'), '$create' => t('Create New'), '$submit' => t('Submit'), '$wikiName' => array('wikiName', t('Wiki name')), '$mimeType' => array('mimeType', t('Content type'), '', '', ['text/markdown' => 'Markdown', 'text/bbcode' => 'BB Code']), '$name' => t('Name'), '$type' => t('Type'), '$lockstate' => $x['lockstate'], '$acl' => $x['acl'], '$allow_cid' => $x['allow_cid'], '$allow_gid' => $x['allow_gid'], '$deny_cid' => $x['deny_cid'], '$deny_gid' => $x['deny_gid'], '$notify' => array('postVisible', t('Create a status post for this wiki'), '', '', array(t('No'), t('Yes'))) )); return $o; } break; case 3: // /wiki/channel/wiki -> No page was specified, so redirect to Home.md $wikiUrlName = urlencode(argv(2)); goaway('/'.argv(0).'/'.argv(1).'/'.$wikiUrlName.'/Home'); case 4: // GET /wiki/channel/wiki/page // Fetch the wiki info and determine observer permissions $wikiUrlName = urlencode(argv(2)); $pageUrlName = urlencode(argv(3)); $w = wiki_exists_by_name($owner['channel_id'], $wikiUrlName); if(!$w['resource_id']) { notice(t('Wiki not found') . EOL); goaway('/'.argv(0).'/'.argv(1)); return; //not reached } $resource_id = $w['resource_id']; if (!$wiki_owner) { // Check for observer permissions $observer_hash = get_observer_hash(); $perms = wiki_get_permissions($resource_id, intval($owner['channel_id']), $observer_hash); if(!$perms['read']) { notice(t('Permission denied.') . EOL); goaway('/'.argv(0).'/'.argv(1)); return; //not reached } if($perms['write']) { $wiki_editor = true; } else { $wiki_editor = false; } } else { $wiki_editor = true; } $wikiheaderName = urldecode($wikiUrlName); $wikiheaderPage = urldecode($pageUrlName); $renamePage = (($wikiheaderPage === 'Home') ? '' : t('Rename page')); $p = wiki_get_page_content(array('resource_id' => $resource_id, 'pageUrlName' => $pageUrlName)); if(!$p['success']) { notice(t('Error retrieving page content') . EOL); goaway('/'.argv(0).'/'.argv(1).'/'.$wikiUrlName); return; //not reached } $mimeType = $p['mimeType']; $rawContent = (($p['mimeType'] == 'text/bbcode') ? htmlspecialchars_decode(json_decode($p['content']),ENT_COMPAT) : htmlspecialchars_decode($p['content'],ENT_COMPAT)); $content = ($p['content'] !== '' ? $rawContent : '"# New page\n"'); // Render the Markdown-formatted page content in HTML if($mimeType == 'text/bbcode') { $renderedContent = wiki_convert_links(zidify_links(smilies(bbcode($content))),argv(0).'/'.argv(1).'/'.$wikiUrlName); } else { require_once('library/markdown.php'); $html = wiki_generate_toc(zidify_text(purify_html(Markdown(wiki_bbcode(json_decode($content)))))); $renderedContent = wiki_convert_links($html,argv(0).'/'.argv(1).'/'.$wikiUrlName); } $showPageControls = $wiki_editor; break; default: // Strip the extraneous URL components goaway('/' . argv(0) . '/' . argv(1) . '/' . $wikiUrlName . '/' . $pageUrlName); return; //not reached } $wikiModalID = random_string(3); $wikiModal = replace_macros(get_markup_template('generic_modal.tpl'), array( '$id' => $wikiModalID, '$title' => t('Revision Comparison'), '$ok' => (($showPageControls) ? t('Revert') : ''), '$cancel' => t('Cancel') )); $o .= replace_macros(get_markup_template('wiki.tpl'),array( '$wikiheaderName' => $wikiheaderName, '$wikiheaderPage' => $wikiheaderPage, '$renamePage' => $renamePage, '$showPageControls' => $showPageControls, '$editOrSourceLabel' => (($showPageControls) ? t('Edit') : t('Source')), '$tools_label' => 'Page Tools', '$channel' => $owner['channel_address'], '$resource_id' => $resource_id, '$page' => $pageUrlName, '$mimeType' => $mimeType, '$content' => $content, '$renderedContent' => $renderedContent, '$pageRename' => array('pageRename', t('New page name'), '', ''), '$commitMsg' => array('commitMsg', '', '', '', '', 'placeholder="Short description of your changes (optional)"'), '$wikiModal' => $wikiModal, '$wikiModalID' => $wikiModalID, '$commit' => 'HEAD', '$embedPhotos' => t('Embed image from photo albums'), '$embedPhotosModalTitle' => t('Embed an image from your albums'), '$embedPhotosModalCancel' => t('Cancel'), '$embedPhotosModalOK' => t('OK'), '$modalchooseimages' => t('Choose images to embed'), '$modalchoosealbum' => t('Choose an album'), '$modaldiffalbum' => t('Choose a different album'), '$modalerrorlist' => t('Error getting album list'), '$modalerrorlink' => t('Error getting photo link'), '$modalerroralbum' => t('Error getting album'), )); if($p['mimeType'] != 'text/bbcode') head_add_js('library/ace/ace.js'); // Ace Code Editor return $o; } function post() { require_once('include/wiki.php'); require_once('include/bbcode.php'); $nick = argv(1); $owner = channelx_by_nick($nick); $observer_hash = get_observer_hash(); if(! $owner) { notice( t('Permission denied.') . EOL); return; } // /wiki/channel/preview // Render mardown-formatted text in HTML for preview if((argc() > 2) && (argv(2) === 'preview')) { $content = $_POST['content']; $resource_id = $_POST['resource_id']; $w = wiki_get_wiki($resource_id); $wikiURL = argv(0).'/'.argv(1).'/'.$w['urlName']; $mimeType = $w['mimeType']; if($mimeType == 'text/bbcode') { $html = wiki_convert_links(zidify_links(smilies(bbcode($content))),$wikiURL); } else { require_once('library/markdown.php'); $content = wiki_bbcode($content); $html = wiki_generate_toc(zidify_text(purify_html(Markdown($content)))); $html = wiki_convert_links($html,$wikiURL); } json_return_and_die(array('html' => $html, 'success' => true)); } // Create a new wiki // /wiki/channel/create/wiki if ((argc() > 3) && (argv(2) === 'create') && (argv(3) === 'wiki')) { // Only the channel owner can create a wiki, at least until we create a // more detail permissions framework if (local_channel() !== intval($owner['channel_id'])) { goaway('/' . argv(0) . '/' . $nick . '/'); } $wiki = array(); // Generate new wiki info from input name $wiki['postVisible'] = ((intval($_POST['postVisible']) === 0) ? 0 : 1); $wiki['rawName'] = $_POST['wikiName']; $wiki['htmlName'] = escape_tags($_POST['wikiName']); $wiki['urlName'] = urlencode($_POST['wikiName']); $wiki['mimeType'] = $_POST['mimeType']; if($wiki['urlName'] === '') { notice( t('Error creating wiki. Invalid name.') . EOL); goaway('/wiki'); } // Get ACL for permissions $acl = new \Zotlabs\Access\AccessList($owner); $acl->set_from_array($_POST); $r = wiki_create_wiki($owner, $observer_hash, $wiki, $acl); if ($r['success']) { $homePage = wiki_create_page('Home', $r['item']['resource_id']); if(!$homePage['success']) { notice( t('Wiki created, but error creating Home page.')); goaway('/wiki/'.$nick.'/'.$wiki['urlName']); } goaway('/wiki/'.$nick.'/'.$wiki['urlName'].'/'.$homePage['page']['urlName']); } else { notice(t('Error creating wiki')); goaway('/wiki'); } } // Delete a wiki if ((argc() > 3) && (argv(2) === 'delete') && (argv(3) === 'wiki')) { // Only the channel owner can delete a wiki, at least until we create a // more detail permissions framework if (local_channel() !== intval($owner['channel_id'])) { logger('Wiki delete permission denied.'); json_return_and_die(array('message' => 'Wiki delete permission denied.', 'success' => false)); } $resource_id = $_POST['resource_id']; $deleted = wiki_delete_wiki($resource_id); if ($deleted['success']) { json_return_and_die(array('message' => '', 'success' => true)); } else { logger('Error deleting wiki: ' . $resource_id); json_return_and_die(array('message' => 'Error deleting wiki', 'success' => false)); } } // Create a page if ((argc() === 4) && (argv(2) === 'create') && (argv(3) === 'page')) { $resource_id = $_POST['resource_id']; // Determine if observer has permission to create a page $perms = wiki_get_permissions($resource_id, intval($owner['channel_id']), $observer_hash); if(!$perms['write']) { logger('Wiki write permission denied. ' . EOL); json_return_and_die(array('success' => false)); } $name = $_POST['name']; //Get new page name if(urlencode(escape_tags($_POST['name'])) === '') { json_return_and_die(array('message' => 'Error creating page. Invalid name.', 'success' => false)); } $page = wiki_create_page($name, $resource_id); if ($page['success']) { $ob = \App::get_observer(); $commit = wiki_git_commit(array( 'commit_msg' => t('New page created'), 'resource_id' => $resource_id, 'observer' => $ob, 'files' => array($page['page']['fileName']) )); if($commit['success']) { json_return_and_die(array('url' => '/'.argv(0).'/'.argv(1).'/'.$page['wiki']['urlName'].'/'.$page['page']['urlName'], 'success' => true)); } else { json_return_and_die(array('message' => 'Error making git commit','url' => '/'.argv(0).'/'.argv(1).'/'.$page['wiki']['urlName'].'/'.urlencode($page['page']['urlName']),'success' => false)); } } else { logger('Error creating page'); json_return_and_die(array('message' => 'Error creating page.', 'success' => false)); } } // Fetch page list for a wiki if ((argc() === 5) && (argv(2) === 'get') && (argv(3) === 'page') && (argv(4) === 'list')) { $resource_id = $_POST['resource_id']; // resource_id for wiki in db $perms = wiki_get_permissions($resource_id, intval($owner['channel_id']), $observer_hash); if(!$perms['read']) { logger('Wiki read permission denied.' . EOL); json_return_and_die(array('pages' => null, 'message' => 'Permission denied.', 'success' => false)); } $page_list_html = widget_wiki_pages(array( 'resource_id' => $resource_id, 'refresh' => true, 'channel' => argv(1))); json_return_and_die(array('pages' => $page_list_html, 'message' => '', 'success' => true)); } // Save a page if ((argc() === 4) && (argv(2) === 'save') && (argv(3) === 'page')) { $resource_id = $_POST['resource_id']; $pageUrlName = $_POST['name']; $pageHtmlName = escape_tags($_POST['name']); $content = $_POST['content']; //Get new content $commitMsg = $_POST['commitMsg']; if ($commitMsg === '') { $commitMsg = 'Updated ' . $pageHtmlName; } // Determine if observer has permission to save content $perms = wiki_get_permissions($resource_id, intval($owner['channel_id']), $observer_hash); if(!$perms['write']) { logger('Wiki write permission denied. ' . EOL); json_return_and_die(array('success' => false)); } $saved = wiki_save_page(array('resource_id' => $resource_id, 'pageUrlName' => $pageUrlName, 'content' => $content)); if($saved['success']) { $ob = \App::get_observer(); $commit = wiki_git_commit(array( 'commit_msg' => $commitMsg, 'resource_id' => $resource_id, 'observer' => $ob, 'files' => array($saved['fileName']) )); if($commit['success']) { json_return_and_die(array('message' => 'Wiki git repo commit made', 'success' => true)); } else { json_return_and_die(array('message' => 'Error making git commit','success' => false)); } } else { json_return_and_die(array('message' => 'Error saving page', 'success' => false)); } } // Update page history // /wiki/channel/history/page if ((argc() === 4) && (argv(2) === 'history') && (argv(3) === 'page')) { $resource_id = $_POST['resource_id']; $pageUrlName = $_POST['name']; // Determine if observer has permission to read content $perms = wiki_get_permissions($resource_id, intval($owner['channel_id']), $observer_hash); if(!$perms['read']) { logger('Wiki read permission denied.' . EOL); json_return_and_die(array('historyHTML' => '', 'message' => 'Permission denied.', 'success' => false)); } $historyHTML = widget_wiki_page_history(array( 'resource_id' => $resource_id, 'pageUrlName' => $pageUrlName, 'permsWrite' => $perms['write'] )); json_return_and_die(array('historyHTML' => $historyHTML, 'message' => '', 'success' => true)); } // Delete a page if ((argc() === 4) && (argv(2) === 'delete') && (argv(3) === 'page')) { $resource_id = $_POST['resource_id']; $pageUrlName = $_POST['name']; if ($pageUrlName === 'Home') { json_return_and_die(array('message' => 'Cannot delete Home','success' => false)); } // Determine if observer has permission to delete pages $perms = wiki_get_permissions($resource_id, intval($owner['channel_id']), $observer_hash); if(!$perms['write']) { logger('Wiki write permission denied. ' . EOL); json_return_and_die(array('success' => false)); } $deleted = wiki_delete_page(array('resource_id' => $resource_id, 'pageUrlName' => $pageUrlName)); if($deleted['success']) { $ob = \App::get_observer(); $commit = wiki_git_commit(array( 'commit_msg' => 'Deleted ' . $pageUrlName, 'resource_id' => $resource_id, 'observer' => $ob, 'files' => null )); if($commit['success']) { json_return_and_die(array('message' => 'Wiki git repo commit made', 'success' => true)); } else { json_return_and_die(array('message' => 'Error making git commit','success' => false)); } } else { json_return_and_die(array('message' => 'Error deleting page', 'success' => false)); } } // Revert a page if ((argc() === 4) && (argv(2) === 'revert') && (argv(3) === 'page')) { $resource_id = $_POST['resource_id']; $pageUrlName = $_POST['name']; $commitHash = $_POST['commitHash']; // Determine if observer has permission to revert pages $perms = wiki_get_permissions($resource_id, intval($owner['channel_id']), $observer_hash); if(!$perms['write']) { logger('Wiki write permission denied.' . EOL); json_return_and_die(array('success' => false)); } $reverted = wiki_revert_page(array('commitHash' => $commitHash, 'resource_id' => $resource_id, 'pageUrlName' => $pageUrlName)); if($reverted['success']) { json_return_and_die(array('content' => $reverted['content'], 'message' => '', 'success' => true)); } else { json_return_and_die(array('content' => '', 'message' => 'Error reverting page', 'success' => false)); } } // Compare page revisions if ((argc() === 4) && (argv(2) === 'compare') && (argv(3) === 'page')) { $resource_id = $_POST['resource_id']; $pageUrlName = $_POST['name']; $compareCommit = $_POST['compareCommit']; $currentCommit = $_POST['currentCommit']; // Determine if observer has permission to revert pages $perms = wiki_get_permissions($resource_id, intval($owner['channel_id']), $observer_hash); if(!$perms['read']) { logger('Wiki read permission denied.' . EOL); json_return_and_die(array('success' => false)); } $compare = wiki_compare_page(array('currentCommit' => $currentCommit, 'compareCommit' => $compareCommit, 'resource_id' => $resource_id, 'pageUrlName' => $pageUrlName)); if($compare['success']) { $diffHTML = '<table class="text-center" width="100%"><tr><td class="lead" width="50%">Current Revision</td><td class="lead" width="50%">Selected Revision</td></tr></table>' . $compare['diff']; json_return_and_die(array('diff' => $diffHTML, 'message' => '', 'success' => true)); } else { json_return_and_die(array('diff' => '', 'message' => 'Error comparing page', 'success' => false)); } } // Rename a page if ((argc() === 4) && (argv(2) === 'rename') && (argv(3) === 'page')) { $resource_id = $_POST['resource_id']; $pageUrlName = $_POST['oldName']; $pageNewName = $_POST['newName']; if ($pageUrlName === 'Home') { json_return_and_die(array('message' => 'Cannot rename Home','success' => false)); } if(urlencode(escape_tags($pageNewName)) === '') { json_return_and_die(array('message' => 'Error renaming page. Invalid name.', 'success' => false)); } // Determine if observer has permission to rename pages $perms = wiki_get_permissions($resource_id, intval($owner['channel_id']), $observer_hash); if(!$perms['write']) { logger('Wiki write permission denied. ' . EOL); json_return_and_die(array('success' => false)); } $renamed = wiki_rename_page(array('resource_id' => $resource_id, 'pageUrlName' => $pageUrlName, 'pageNewName' => $pageNewName)); if($renamed['success']) { $ob = \App::get_observer(); $commit = wiki_git_commit(array( 'commit_msg' => 'Renamed ' . urldecode($pageUrlName) . ' to ' . $renamed['page']['htmlName'], 'resource_id' => $resource_id, 'observer' => $ob, 'files' => array($pageUrlName . substr($renamed['page']['fileName'], -3), $renamed['page']['fileName']), 'all' => true )); if($commit['success']) { json_return_and_die(array('name' => $renamed['page'], 'message' => 'Wiki git repo commit made', 'success' => true)); } else { json_return_and_die(array('message' => 'Error making git commit','success' => false)); } } else { json_return_and_die(array('message' => 'Error renaming page', 'success' => false)); } } //notice( t('You must be authenticated.')); json_return_and_die(array('message' => 'You must be authenticated.', 'success' => false)); } }