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-rw-r--r--Zotlabs/Module/Wiki.php361
1 files changed, 361 insertions, 0 deletions
diff --git a/Zotlabs/Module/Wiki.php b/Zotlabs/Module/Wiki.php
new file mode 100644
index 000000000..ef42c85cf
--- /dev/null
+++ b/Zotlabs/Module/Wiki.php
@@ -0,0 +1,361 @@
+<?php
+
+namespace Zotlabs\Module;/** @file */
+
+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');
+ }
+ }
+
+ function get() {
+ require_once('include/wiki.php');
+ require_once('include/acl_selectors.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 = '';
+ $pagename = '';
+
+ // init() should have forced the URL to redirect to /wiki/channel so assume argc() > 1
+ $nick = argv(1);
+ $channel = get_channel_by_nick($nick); // The channel who owns the wikis being viewed
+ if(! $channel) {
+ notice('Invalid channel' . EOL);
+ goaway('/' . argv(0));
+ }
+ // Determine if the observer is the channel owner so the ACL dialog can be populated
+ if (local_channel() === intval($channel['channel_id'])) {
+ $local_observer = \App::get_channel();
+ $wiki_owner = true;
+
+ // Obtain the default permission settings of the channel
+ $channel_acl = array(
+ 'allow_cid' => $local_observer['channel_allow_cid'],
+ 'allow_gid' => $local_observer['channel_allow_gid'],
+ 'deny_cid' => $local_observer['channel_deny_cid'],
+ 'deny_gid' => $local_observer['channel_deny_gid']
+ );
+ // Initialize the ACL to the channel default permissions
+ $x = array(
+ 'lockstate' => (( $local_observer['channel_allow_cid'] ||
+ $local_observer['channel_allow_gid'] ||
+ $local_observer['channel_deny_cid'] ||
+ $local_observer['channel_deny_gid'])
+ ? 'lock' : 'unlock'),
+ 'acl' => populate_acl($channel_acl),
+ 'bang' => ''
+ );
+ } else {
+ // Not the channel owner
+ $channel_acl = $x = array();
+ }
+
+ switch (argc()) {
+ case 2:
+ // Configure page template
+ $wikiheader = t('Wiki Sandbox');
+ $content = '"# Wiki Sandbox\n\nContent you **edit** and **preview** here *will not be saved*."';
+ $hide_editor = false;
+ $showPageControls = false;
+ $showNewWikiButton = $wiki_owner;
+ $showNewPageButton = false;
+ break;
+ case 3:
+ // /wiki/channel/wiki -> No page was specified, so redirect to Home.md
+ goaway('/'.argv(0).'/'.argv(1).'/'.argv(2).'/Home');
+ case 4:
+ // GET /wiki/channel/wiki/page
+ // Fetch the wiki info and determine observer permissions
+ $wikiUrlName = urlencode(argv(2));
+ $pageUrlName = urlencode(argv(3));
+ $w = wiki_exists_by_name($channel['channel_id'], $wikiUrlName);
+ if(!$w['resource_id']) {
+ notice('Wiki not found' . EOL);
+ goaway('/'.argv(0).'/'.argv(1));
+ }
+ $resource_id = $w['resource_id'];
+
+ if (!$wiki_owner) {
+ // Check for observer permissions
+ $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));
+ }
+ }
+ $wikiheader = urldecode($wikiUrlName) . ': ' . urldecode($pageUrlName); // show wiki name and page
+ $p = wiki_get_page_content(array('resource_id' => $resource_id, 'pageUrlName' => $pageUrlName));
+ if(!$p['success']) {
+ notice('Error retrieving page content' . EOL);
+ goaway('/'.argv(0).'/'.argv(1).'/'.argv(2));
+ }
+ $content = ($p['content'] !== '' ? $p['content'] : '"# New page\n"');
+ $hide_editor = false;
+ $showPageControls = $wiki_owner;
+ $showNewWikiButton = $wiki_owner;
+ $showNewPageButton = $wiki_owner;
+ $pageHistory = wiki_page_history(array('resource_id' => $resource_id, 'pageUrlName' => $pageUrlName));
+ break;
+ default: // Strip the extraneous URL components
+ goaway('/'.argv(0).'/'.argv(1).'/'.argv(2).'/'.argv(3));
+ }
+ // Render the Markdown-formatted page content in HTML
+ require_once('library/markdown.php');
+
+ $o .= replace_macros(get_markup_template('wiki.tpl'),array(
+ '$wikiheader' => $wikiheader,
+ '$hideEditor' => $hide_editor,
+ '$showPageControls' => $showPageControls,
+ '$showNewWikiButton'=> $showNewWikiButton,
+ '$showNewPageButton'=> $showNewPageButton,
+ '$channel' => $channel['channel_address'],
+ '$resource_id' => $resource_id,
+ '$page' => $pageUrlName,
+ '$lockstate' => $x['lockstate'],
+ '$acl' => $x['acl'],
+ '$bang' => $x['bang'],
+ '$content' => $content,
+ '$renderedContent' => Markdown(json_decode($content)),
+ '$wikiName' => array('wikiName', t('Enter the name of your new wiki:'), '', ''),
+ '$pageName' => array('pageName', t('Enter the name of the new page:'), '', ''),
+ '$pageHistory' => $pageHistory['history']
+ ));
+ head_add_js('library/ace/ace.js'); // Ace Code Editor
+ 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')) {
+ $nick = argv(1);
+ // Determine if observer has permission to create wiki
+ $observer_hash = get_observer_hash();
+ if (local_channel()) {
+ $channel = \App::get_channel();
+ } else {
+ $channel = get_channel_by_nick($nick);
+ // 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));
+ }
+ }
+ $wiki = array();
+ // Generate new wiki info from input name
+ $wiki['rawName'] = $_POST['wikiName'];
+ $wiki['htmlName'] = escape_tags($_POST['wikiName']);
+ $wiki['urlName'] = urlencode($_POST['wikiName']);
+ if($wiki['urlName'] === '') {
+ 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, $wiki, $acl);
+ if ($r['success']) {
+ $homePage = wiki_create_page('Home', $r['item']['resource_id']);
+ if(!$homePage['success']) {
+ notice('Wiki created, but error creating Home page.');
+ goaway('/wiki/'.$nick.'/'.$wiki['urlName']);
+ }
+ goaway('/wiki/'.$nick.'/'.$wiki['urlName'].'/'.$homePage['page']['urlName']);
+ } else {
+ notice('Error creating wiki');
+ goaway('/wiki');
+ }
+ }
+
+ // Delete a wiki
+ if ((argc() > 3) && (argv(2) === 'delete') && (argv(3) === 'wiki')) {
+ $nick = argv(1);
+ // Determine if observer has permission to create wiki
+ if (local_channel()) {
+ $channel = \App::get_channel();
+ } else {
+ $channel = get_channel_by_nick($nick);
+ $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')) {
+ $nick = argv(1);
+ $resource_id = $_POST['resource_id'];
+ // Determine if observer has permission to create wiki
+ if (local_channel()) {
+ $channel = \App::get_channel();
+ } else {
+ $channel = get_channel_by_nick($nick);
+ $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 = $_POST['name']; //Get new page name
+ if(urlencode(escape_tags($_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']) {
+ json_return_and_die(array('url' => '/'.argv(0).'/'.argv(1).'/'.$page['wiki']['urlName'].'/'.urlencode($page['page']['urlName']), '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')) {
+ $nick = argv(1);
+ $resource_id = $_POST['resource_id'];
+ $pageUrlName = $_POST['name'];
+ logger('pageURLname: ' . $pageUrlName);
+ $pageHtmlName = escape_tags($_POST['name']);
+ $content = escape_tags($_POST['content']); //Get new content
+ // Determine if observer has permission to save content
+ if (local_channel()) {
+ $channel = \App::get_channel();
+ } else {
+ $channel = get_channel_by_nick($nick);
+ $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, 'pageUrlName' => $pageUrlName, 'content' => $content));
+ if($saved['success']) {
+ $ob = \App::get_observer();
+ $commit = wiki_git_commit(array(
+ 'commit_msg' => 'Updated ' . $pageHtmlName,
+ 'resource_id' => $resource_id,
+ 'observer' => $ob,
+ 'files' => array($pageUrlName.'.md')
+ ));
+ 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')) {
+ $nick = argv(1);
+ $resource_id = $_POST['resource_id'];
+ $pageUrlName = $_POST['name'];
+ // Determine if observer has permission to view content
+ if (local_channel()) {
+ $channel = \App::get_channel();
+ } else {
+ $channel = get_channel_by_nick($nick);
+ $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('historyHTML' => '', 'message' => 'Permission denied.', 'success' => false));
+ }
+ }
+ $historyHTML = widget_wiki_page_history(array(
+ 'resource_id' => $resource_id,
+ 'pageUrlName' => $pageUrlName
+ ));
+ json_return_and_die(array('historyHTML' => $historyHTML, 'message' => '', 'success' => true));
+ }
+
+ //notice('You must be authenticated.');
+ json_return_and_die(array('message' => 'You must be authenticated.', 'success' => false));
+
+ }
+}