diff options
Diffstat (limited to 'Zotlabs/Module/Wiki.php')
| -rw-r--r-- | Zotlabs/Module/Wiki.php | 312 |
1 files changed, 312 insertions, 0 deletions
diff --git a/Zotlabs/Module/Wiki.php b/Zotlabs/Module/Wiki.php new file mode 100644 index 000000000..030e34cf6 --- /dev/null +++ b/Zotlabs/Module/Wiki.php @@ -0,0 +1,312 @@ +<?php + +namespace Zotlabs\Module;/** @file */ + +class Wiki extends \Zotlabs\Web\Controller { + + function init() { + // Determine which channel's wikis to display to the observer + $which = null; + if(argc() > 1) + $which = argv(1); // if the channel name is in the URL, use that + if(! $which) { // if no channel name was provided, assume the current logged in channel + if(local_channel()) { + $channel = \App::get_channel(); + if($channel && $channel['channel_address']) + $which = $channel['channel_address']; + goaway(z_root().'/wiki/'.$which); + } + } + if(! $which) { + notice( t('You must be logged in to see this page.') . EOL ); + goaway('/login'); + } + } + + function get() { + require_once('include/wiki.php'); + require_once('include/acl_selectors.php'); + $wiki_owner = false; + if(local_channel()) { + $channel = \App::get_channel(); + } + + // Obtain the default permission settings of the channel + $channel_acl = array( + 'allow_cid' => $channel['channel_allow_cid'], + 'allow_gid' => $channel['channel_allow_gid'], + 'deny_cid' => $channel['channel_deny_cid'], + 'deny_gid' => $channel['channel_deny_gid'] + ); + // Initialize the ACL to the channel default permissions + $x = array( + 'lockstate' => (($channel['channel_allow_cid'] || $channel['channel_allow_gid'] || $channel['channel_deny_cid'] || $channel['channel_deny_gid']) ? 'lock' : 'unlock'), + 'acl' => populate_acl($channel_acl), + 'bang' => '' + ); + + $resource_id = ''; + $pagename = ''; + + // GET https://hubzilla.hub/argv(0)/argv(1)/argv(2)/argv(3)/argv(4)/... + if(argc() > 2) { + // GET /wiki/channel/wiki + // Check if wiki exists andr redirect if it does not + $channel = get_channel_by_nick(argv(1)); + if(local_channel() === intval($channel['channel_id'])) { + $wiki_owner = true; + } + $w = wiki_exists_by_name($channel['channel_id'], argv(2)); + if(!$w['resource_id']) { + notice('Wiki not found' . EOL); + goaway('/'.argv(0).'/'.argv(1)); + } else { + $resource_id = $w['resource_id']; + } + if (!$wiki_owner) { + // Check for observer permissionswhich); + $observer_hash = get_observer_hash(); + $perms = wiki_get_permissions($resource_id, intval($channel['channel_id']), $observer_hash); + if(!$perms['read']) { + notice('Permission denied.' . EOL); + goaway('/'.argv(0).'/'.argv(1)); + } + } + } + + if(argc()<3) { + // GET /wiki/channel + $channel = get_channel_by_nick(argv(1)); + $wikiheader = t('Wiki Sandbox'); + $content = '"# Wiki Sandbox\n\nContent you **edit** and **preview** here *will not be saved*."'; + $hide_editor = false; + $showPageControls = false; + } elseif (argc()<4) { + // GET /wiki/channel/wiki + // No page was specified, so redirect to Home.md + goaway('/'.argv(0).'/'.argv(1).'/'.argv(2).'/Home.md'); + $wikiheader = rawurldecode(argv(2)); // show wiki name + $content = '""'; + $hide_editor = true; + // Until separate read and write permissions are implemented, only allow + // the wiki owner to see page controls + $showPageControls = $wiki_owner; + } elseif (argc()<5) { + // GET /wiki/channel/wiki/page + $pagename = argv(3); + $wikiheader = rawurldecode(argv(2)) . ': ' . rawurldecode($pagename); // show wiki name and page + $p = wiki_get_page_content(array('wiki_resource_id' => $resource_id, 'page' => $pagename)); + if(!$p['success']) { + $content = 'Error retrieving page content. Try again.'; + } + $content = ($p['content'] !== '' ? $p['content'] : '"# New page\n"'); + $hide_editor = false; + $showPageControls = $wiki_owner; + } + require_once('library/markdown.php'); + $renderedContent = Markdown(json_decode($content)); + + $o .= replace_macros(get_markup_template('wiki.tpl'),array( + '$wikiheader' => $wikiheader, + '$hideEditor' => $hide_editor, + '$showPageControls' => $showPageControls, + '$channel' => $channel['channel_address'], + '$resource_id' => $resource_id, + '$page' => $pagename, + '$lockstate' => $x['lockstate'], + '$acl' => $x['acl'], + '$bang' => $x['bang'], + '$content' => $content, + '$renderedContent' => $renderedContent, + '$wikiName' => array('wikiName', t('Enter the name of your new wiki:'), '', ''), + '$pageName' => array('pageName', t('Enter the name of the new page:'), '', '') + )); + head_add_js('library/ace/ace.js'); + return $o; + } + + function post() { + require_once('include/wiki.php'); + + // /wiki/channel/preview + // Render mardown-formatted text in HTML for preview + if((argc() > 2) && (argv(2) === 'preview')) { + $content = $_POST['content']; + require_once('library/markdown.php'); + $html = Markdown($content); + 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')) { + $which = argv(1); + // Determine if observer has permission to create wiki + $observer_hash = get_observer_hash(); + if (local_channel()) { + $channel = \App::get_channel(); + } else { + $channel = get_channel_by_nick($which); + // Figure out who the page owner is. + $perms = get_all_perms(intval($channel['channel_id']), $observer_hash); + // TODO: Create a new permission setting for wiki analogous to webpages. Until + // then, use webpage permissions + if (!$perms['write_pages']) { + notice(t('Permission denied.') . EOL); + goaway('/'.argv(0).'/'.argv(1).'/'.argv(2)); + } + } + $name = escape_tags(urlencode($_POST['wikiName'])); //Get new wiki name + if($name === '') { + notice('Error creating wiki. Invalid name.'); + goaway('/wiki'); + } + // Get ACL for permissions + $acl = new \Zotlabs\Access\AccessList($channel); + $acl->set_from_array($_POST); + $r = wiki_create_wiki($channel, $observer_hash, $name, $acl); + if ($r['success']) { + $homePage = wiki_create_page('Home.md', $r['item']['resource_id']); + if(!$homePage['success']) { + notice('Wiki created, but error creating Home page.'); + goaway('/wiki/'.$which.'/'.$name); + } + goaway('/wiki/'.$which.'/'.$name.'/Home.md'); + } else { + notice('Error creating wiki'); + goaway('/wiki'); + } + } + + // Delete a wiki + if ((argc() > 3) && (argv(2) === 'delete') && (argv(3) === 'wiki')) { + $which = argv(1); + // Determine if observer has permission to create wiki + if (local_channel()) { + $channel = \App::get_channel(); + } else { + $channel = get_channel_by_nick($which); + $observer_hash = get_observer_hash(); + // Figure out who the page owner is. + $perms = get_all_perms(intval($channel['channel_id']), $observer_hash); + // TODO: Create a new permission setting for wiki analogous to webpages. Until + // then, use webpage permissions + if (!$perms['write_pages']) { + logger('Wiki delete permission denied.' . EOL); + json_return_and_die(array('success' => false)); + } + } + $resource_id = $_POST['resource_id']; + $deleted = wiki_delete_wiki($resource_id); + if ($deleted['success']) { + json_return_and_die(array('success' => true)); + } else { + logger('Error deleting wiki: ' . $resource_id); + json_return_and_die(array('success' => false)); + } + } + + // Create a page + if ((argc() === 4) && (argv(2) === 'create') && (argv(3) === 'page')) { + $which = argv(1); + $resource_id = $_POST['resource_id']; + // Determine if observer has permission to create wiki + if (local_channel()) { + $channel = \App::get_channel(); + } else { + $channel = get_channel_by_nick($which); + $observer_hash = get_observer_hash(); + // Figure out who the page owner is. + $perms = get_all_perms(intval($channel['channel_id']), $observer_hash); + // TODO: Create a new permission setting for wiki analogous to webpages. Until + // then, use webpage permissions + if (!$perms['write_pages']) { + logger('Wiki editing permission denied.' . EOL); + json_return_and_die(array('success' => false)); + } + $perms = wiki_get_permissions($resource_id, intval($channel['channel_id']), $observer_hash); + if(!$perms['write']) { + logger('Wiki write permission denied. Read only.' . EOL); + json_return_and_die(array('success' => false)); + } + } + $name = escape_tags(urlencode($_POST['name'])); //Get new wiki name + if($name === '') { + json_return_and_die(array('message' => 'Error creating page. Invalid name.', 'success' => false)); + } + $page = wiki_create_page($name . '.md', $resource_id); + if ($page['success']) { + json_return_and_die(array('url' => '/'.argv(0).'/'.argv(1).'/'.$page['wiki'].'/'.$name.'.md', 'success' => true)); + } 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 + $channel = get_channel_by_nick(argv(1)); + $observer_hash = get_observer_hash(); + $perms = wiki_get_permissions($resource_id, intval($channel['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')) { + $which = argv(1); + $resource_id = $_POST['resource_id']; + $pagename = escape_tags(urlencode($_POST['name'])); + $content = escape_tags($_POST['content']); //Get new content + // Determine if observer has permission to create wiki + if (local_channel()) { + $channel = \App::get_channel(); + } else { + $channel = get_channel_by_nick($which); + $observer_hash = get_observer_hash(); + // Figure out who the page owner is. + $perms = get_all_perms(intval($channel['channel_id']), $observer_hash); + // TODO: Create a new permission setting for wiki analogous to webpages. Until + // then, use webpage permissions + if (!$perms['write_pages']) { + logger('Wiki editing permission denied.' . EOL); + json_return_and_die(array('success' => false)); + } + $perms = wiki_get_permissions($resource_id, intval($channel['channel_id']), $observer_hash); + if(!$perms['write']) { + logger('Wiki write permission denied. Read only.' . EOL); + json_return_and_die(array('success' => false)); + } + } + $saved = wiki_save_page(array('resource_id' => $resource_id, 'name' => $pagename, 'content' => $content)); + if($saved['success']) { + $ob = \App::get_observer(); + $commit = wiki_git_commit(array( + 'commit_msg' => 'Updated ' . $pagename, + 'resource_id' => $resource_id, + 'observer' => $ob, + 'files' => array($pagename) + )); + 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)); + } + } + + //notice('You must be authenticated.'); + json_return_and_die(array('message' => 'You must be authenticated.', 'success' => false)); + + } +} |