<?php /** @file */
namespace Zotlabs\Module;
use \Zotlabs\Lib as Zlib;
class Wiki extends \Zotlabs\Web\Controller {
private $wiki = null;
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 (! $nick) {
notice( t('Profile Unavailable.') . EOL);
goaway(z_root());
}
profile_load($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/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));
}
$observer_hash = get_observer_hash();
// Determine if the observer is the channel owner so the ACL dialog can be populated
if (local_channel() === intval($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);
$w = Zlib\NativeWiki::get_wiki($owner,$observer_hash,$resource_id);
if(! $w['htmlName']) {
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 . '/' . $zip_filename;
// Generate the zip file
ZLib\ExtendedZip::zipTree($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:
$wikis = Zlib\NativeWiki::listwikis($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(z_root() . '/' . 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));
$w = Zlib\NativeWiki::exists_by_name($owner['channel_id'], $wikiUrlName);
if(! $w['resource_id']) {
notice(t('Wiki not found') . EOL);
goaway(z_root() . '/' . argv(0) . '/' . argv(1));
}
$resource_id = $w['resource_id'];
if(! $wiki_owner) {
// Check for observer permissions
$observer_hash = get_observer_hash();
$perms = Zlib\NativeWiki::get_permissions($resource_id, intval($owner['channel_id']), $observer_hash);
if(! $perms['read']) {
notice(t('Permission denied.') . EOL);
goaway(z_root() . '/' . argv(0) . '/' . argv(1));
return; //not reached
}
$wiki_editor = (($perms['write']) ? true : false);
}
else {
$wiki_editor = true;
}
$wikiheaderName = urldecode($wikiUrlName);
$wikiheaderPage = urldecode($pageUrlName);
$renamePage = (($wikiheaderPage === 'Home') ? '' : t('Rename page'));
$p = Zlib\NativeWikiPage::get_page_content(array('channel_id' => $owner['channel_id'], 'observer_hash' => $observer_hash, 'resource_id' => $resource_id, 'pageUrlName' => $pageUrlName));
if(! $p['success']) {
notice( t('Error retrieving page content') . EOL);
goaway(z_root() . '/' . argv(0) . '/' . argv(1) );
}
$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') {
$renderedContent = Zlib\NativeWikiPage::convert_links(zidify_links(smilies(bbcode($content))), argv(0) . '/' . argv(1) . '/' . $wikiUrlName);
}
else {
require_once('library/markdown.php');
$html = Zlib\NativeWikiPage::generate_toc(zidify_text(purify_html(Markdown(Zlib\NativeWikiPage::bbcode(json_decode($content))))));
$renderedContent = Zlib\NativeWikiPage::convert_links($html, argv(0) . '/' . argv(1) . '/' . $wikiUrlName);
}
$showPageControls = $wiki_editor;
break;
default: // Strip the extraneous URL components
goaway('/' . argv(0) . '/' . argv(1) . '/' . $wikiUrlName . '/' . $pageUrlName);
}
$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')
));
$placeholder = t('Short description of your changes (optional)');
$o .= replace_macros(get_markup_template('wiki.tpl'),array(
'$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="' . $placeholder . '"'),
'$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/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'];
$w = Zlib\NativeWiki::get_wiki($owner['channel_id'],$observer_hash,$resource_id);
$wikiURL = argv(0) . '/' . argv(1) . '/' . $w['urlName'];
$mimeType = $w['mimeType'];
if($mimeType == 'text/bbcode') {
$html = Zlib\NativeWikiPage::convert_links(zidify_links(smilies(bbcode($content))),$wikiURL);
}
else {
require_once('library/markdown.php');
$content = Zlib\NativeWikiPage::bbcode($content);
$html = Zlib\NativeWikiPage::generate_toc(zidify_text(purify_html(Markdown($content))));
$html = Zlib\NativeWikiPage::convert_links($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);
$r = Zlib\NativeWiki::create_wiki($owner, $observer_hash, $wiki, $acl);
if($r['success']) {
$homePage = Zlib\NativeWikiPage::create_page($owner['channel_id'],$observer_hash,'Home', $r['item']['resource_id']);
if(! $homePage['success']) {
notice( t('Wiki created, but error creating Home page.'));
goaway(z_root() . '/wiki/' . $nick . '/' . $wiki['urlName']);
}
goaway(z_root() . '/wiki/' . $nick . '/' . $wiki['urlName'] . '/' . $homePage['page']['urlName']);
}
else {
notice( t('Error creating wiki'));
goaway(z_root() . '/wiki');
}
}
// Delete a wiki
if ((argc() > 3) && (argv(2) === 'delete') && (argv(3) === 'wiki')) {
// Only the channel owner can delete a wiki, at least until we create a
// more detail permissions framework
if (local_channel() !== intval($owner['channel_id'])) {
logger('Wiki delete permission denied.');
json_return_and_die(array('message' => t('Wiki delete permission denied.'), 'success' => false));
}
$resource_id = $_POST['resource_id'];
$deleted = Zlib\NativeWiki::delete_wiki($owner['channel_id'],$observer_hash,$resource_id);
if ($deleted['success']) {
json_return_and_die(array('message' => '', 'success' => true));
}
else {
logger('Error deleting wiki: ' . $resource_id . ' ' . $deleted['message']);
json_return_and_die(array('message' => t('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
$perms = Zlib\NativeWiki::get_permissions($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 = $_POST['pageName']; //Get new page name
if(urlencode(escape_tags($_POST['pageName'])) === '') {
json_return_and_die(array('message' => 'Error creating page. Invalid name.', 'success' => false));
}
$page = Zlib\NativeWikiPage::create_page($owner['channel_id'],$observer_hash, $name, $resource_id);
if($page['success']) {
$ob = \App::get_observer();
$commit = Zlib\NativeWikiPage::commit(array(
'commit_msg' => t('New page created'),
'resource_id' => $resource_id,
'channel_id' => $owner['channel_id'],
'observer_hash' => $observer_hash,
'pageUrlName' => $name
));
if($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
$perms = Zlib\NativeWiki::get_permissions($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
$perms = Zlib\NativeWiki::get_permissions($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 = Zlib\NativeWikiPage::save_page(array('channel_id' => $owner['channel_id'], 'observer_hash' => $observer_hash, 'resource_id' => $resource_id, 'pageUrlName' => $pageUrlName, 'content' => $content));
if($saved['success']) {
$ob = \App::get_observer();
$commit = Zlib\NativeWikiPage::commit(array(
'commit_msg' => $commitMsg,
'pageUrlName' => $pageUrlName,
'resource_id' => $resource_id,
'channel_id' => $owner['channel_id'],
'observer_hash' => $observer_hash,
'revision' => (-1)
));
if($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
$perms = Zlib\NativeWiki::get_permissions($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' => t('Cannot delete Home'),'success' => false));
}
// Determine if observer has permission to delete pages
$perms = Zlib\NativeWiki::get_permissions($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 = Zlib\NativeWikiPage::delete_page(array('channel_id' => $owner['channel_id'], 'observer_hash' => $observer_hash, 'resource_id' => $resource_id, 'pageUrlName' => $pageUrlName));
if($deleted['success']) {
$ob = \App::get_observer();
$commit = Zlib\NativeWikiPage::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')) {
logger('revert was called: ' . print_r($_POST,true));
$resource_id = $_POST['resource_id'];
$pageUrlName = $_POST['name'];
$commitHash = $_POST['commitHash'];
// Determine if observer has permission to revert pages
$perms = Zlib\NativeWiki::get_permissions($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 = Zlib\NativeWikiPage::revert_page(array('channel_id' => $owner['channel_id'], 'observer_hash' => $observer_hash, '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
$perms = Zlib\NativeWiki::get_permissions($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 = Zlib\NativeWikiPage::compare_page(array('channel_id' => $owner['channel_id'], 'observer_hash' => $observer_hash, '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%">' . t('Current Revision') . '</td><td class="lead" width="50%">' . t('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
$perms = Zlib\NativeWikiPage::get_permissions($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 = Zlib\NativeWikiPage::rename_page(array('channel_id' => $owner['channel_id'], 'observer_hash' => $observer_hash, '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' => t('You must be authenticated.'), 'success' => false));
}
}