function controller_pages($args) { default_html(true); html_add_css(base_url() . 'modules/page_browser/page_browser.css'); if (USE_MIN_FILES) { html_add_js(base_url() . 'modules/page_browser/page_browser.min.js'); } else { html_add_js(base_url() . 'modules/page_browser/page_browser.js'); } html_add_js_var('$.glue.conf.page.startpage', startpage()); $bdy =& body(); elem_attr($bdy, 'id', 'pages'); body_append('<h1>All pages</h1>'); load_modules('glue'); $pns = pagenames(array()); $pns = $pns['#data']; foreach ($pns as $pn) { // display only pages with 'head' if (is_dir(CONTENT_DIR . '/' . $pn . '/head')) { body_append('<div class="page_browser_entry" id="' . htmlspecialchars($pn, ENT_COMPAT, 'UTF-8') . '"><span class="page_browser_pagename"><a href="' . base_url() . '?' . htmlspecialchars(urlencode($pn), ENT_COMPAT, 'UTF-8') . '">' . htmlspecialchars($pn, ENT_NOQUOTES, 'UTF-8') . '</a></span> '); if ($pn . '.head' == startpage()) { body_append('<span id="page_browser_startpage">[startpage]</span> '); } } body_append('</div>'); } echo html_finalize(); }
function controller_revisions($args) { page_canonical($args[0][0]); $page = $args[0][0]; if (!page_exists($page)) { hotglue_error(404); } // get all revisions of page and determine the current revision's index load_modules('glue'); $a = expl('.', $page); $revs = revisions_info(array('pagename' => $a[0], 'sort' => 'time')); $revs = $revs['#data']; $cur_rev = false; for ($i = 0; $i < count($revs); $i++) { if ($revs[$i]['revision'] == $a[1]) { $cur_rev = $i; break; } } if ($cur_rev === false) { // we didn't find the current revision hotglue_error(500); } default_html(true); html_add_css(base_url() . 'modules/revisions_browser/revisions_browser.css'); if (USE_MIN_FILES) { html_add_js(base_url() . 'modules/revisions_browser/revisions_browser.min.js'); } else { html_add_js(base_url() . 'modules/revisions_browser/revisions_browser.js'); } html_add_js_var('$.glue.page', $page); $bdy =& body(); elem_attr($bdy, 'id', 'revisions'); render_page(array('page' => $page, 'edit' => false)); body_append('<div id="revisions_browser_ctrl">'); body_append('<div id="revisions_browser_prev">'); if ($cur_rev + 1 < count($revs)) { body_append('<a href="' . base_url() . '?' . htmlspecialchars(urlencode($revs[$cur_rev + 1]['page']), ENT_COMPAT, 'UTF-8') . '/revisions">prev</a>'); } body_append('</div><div id="revisions_browser_cur">'); if (substr($revs[$cur_rev]['revision'], 0, 5) == 'auto-') { body_append(date('d M y H:i', $revs[$cur_rev]['time'])); } else { body_append(htmlspecialchars($revs[$cur_rev]['revision'], ENT_NOQUOTES, 'UTF-8')); } body_append('<br>'); if ($a[1] == 'head') { body_append('<a href="' . base_url() . '?' . htmlspecialchars(urlencode($page), ENT_COMPAT, 'UTF-8') . '/edit">back to editing mode</a>'); } else { body_append('<a id="revisions_browser_revert_btn" href="#">revert</a>'); } body_append('</div><div id="revisions_browser_next">'); if (0 < $cur_rev) { body_append('<a href="' . base_url() . '?' . htmlspecialchars(urlencode($revs[$cur_rev - 1]['page']), ENT_COMPAT, 'UTF-8') . '/revisions">next</a>'); } body_append('</div>'); body_append('</div>'); echo html_finalize(); }
/** * controller that shows a textarea for editing either a page's or the global * user-defined css file */ function controller_user_css_stylesheet($args) { if ($args[0][1] == 'stylesheet') { // changing page stylesheet $page = $args[0][0]; page_canonical($page); if (!page_exists($page)) { hotglue_error(404); } } else { // changing global stylesheet $page = false; } default_html(true); html_add_js_var('$.glue.page', $page); html_add_css(base_url() . 'modules/user_css/user_css.css'); if (USE_MIN_FILES) { html_add_js(base_url() . 'modules/user_css/user_css.min.js'); } else { html_add_js(base_url() . 'modules/user_css/user_css.js'); } $bdy =& body(); elem_attr($bdy, 'id', 'user_css'); if ($page === false) { body_append('<h1>Global stylesheet</h1>' . nl()); // try to load css $css = @file_get_contents(CONTENT_DIR . '/usercss'); if ($css === false) { $css = ''; } } else { body_append('<h1>' . htmlspecialchars($page, ENT_NOQUOTES, 'UTF-8') . ' stylesheet</h1>' . nl()); load_modules('glue'); $obj = load_object(array('name' => $page . '.usercss')); if ($obj['#error']) { $css = ''; } else { $css = $obj['#data']['content']; } } // encoding to html must come before the replacement below $css = htmlspecialchars($css, ENT_NOQUOTES, 'UTF-8'); // replace newline characters by an entity to prevent render_object() // from adding some indentation $css = str_replace("\r\n", ' ', $css); $css = str_replace("\n", ' ', $css); // why not replace tabs as well why we are at it $css = str_replace("\t", '	', $css); body_append('<textarea id="user_css_text" placeholder="enter css code here">' . $css . '</textarea>' . nl()); body_append('<br>' . nl()); body_append('<input id="user_css_save" type="button" value="save">' . nl()); echo html_finalize(); }
function webvideo_render_object($args) { $obj = $args['obj']; if (!isset($obj['type']) || $obj['type'] != 'webvideo') { return false; } $e = elem('div'); elem_attr($e, 'id', $obj['name']); elem_add_class($e, 'webvideo'); elem_add_class($e, 'resizable'); elem_add_class($e, 'object'); // hooks invoke_hook_first('alter_render_early', 'webvideo', array('obj' => $obj, 'elem' => &$e, 'edit' => $args['edit'])); $html = elem_finalize($e); invoke_hook_last('alter_render_late', 'webvideo', array('obj' => $obj, 'html' => &$html, 'elem' => $e, 'edit' => $args['edit'])); return $html; }
/** * show a site where authenticated users can create new pages */ function controller_create_page($args) { page_canonical($args[0][0]); $page = $args[0][0]; if (page_exists($page)) { log_msg('debug', 'controller_create_page: page ' . quot($page) . 'already exists, invoking controller_edit'); controller_edit($args); return; } load_modules('glue'); default_html(true); html_add_css(base_url() . 'css/hotglue_error.css'); if (USE_MIN_FILES) { html_add_js(base_url() . 'js/create_page.min.js'); } else { html_add_js(base_url() . 'js/create_page.js'); } html_add_js_var('$.glue.page', $page); html_add_js_var('$.glue.q', SHORT_URLS ? '' : '?'); $bdy =& body(); elem_attr($bdy, 'id', 'create_page'); body_append(tab(1) . '<div id="paper">' . nl()); body_append(tab(2) . '<div id="wrapper">' . nl()); body_append(tab(3) . '<div id="content">' . nl()); body_append(tab(4) . '<div id="left-nav">' . nl()); body_append(tab(5) . '<img src="' . htmlspecialchars(base_url(), ENT_COMPAT, 'UTF-8') . 'img/hotglue-logo.png" alt="logo">' . nl()); body_append(tab(4) . '</div>' . nl()); body_append(tab(4) . '<div id="main">' . nl()); body_append(tab(5) . '<h1 id="error-title">Page does not exist yet!</h1>' . nl()); body_append(tab(5) . '<p>' . nl()); body_append(tab(6) . 'This page does not exist yet!<br>' . nl()); body_append(tab(6) . 'Would you like to create the page?' . nl()); body_append(tab(5) . '</p>' . nl()); body_append(tab(5) . '<form><input id="create_page_btn" type="button" value="Create it!"></form>' . nl()); body_append(tab(4) . '</div>' . nl()); body_append(tab(3) . '</div>' . nl()); body_append(tab(2) . '</div>' . nl()); body_append(tab(2) . '<div style="position: absolute; left: 200px; top: -10px; z-index: 2;">' . nl()); body_append(tab(3) . '<img src="' . htmlspecialchars(base_url(), ENT_COMPAT, 'UTF-8') . 'img/hotglue-404.png" alt="404">' . nl()); body_append(tab(2) . '</div>' . nl()); body_append(tab(1) . '</div>' . nl()); echo html_finalize(); }
/** * controller that shows a textarea for editing either a page's or the global * user-defined code files */ function controller_user_code_stylesheet($args) { if ($args[0][1] == 'code') { // changing page code $page = $args[0][0]; page_canonical($page); if (!page_exists($page)) { hotglue_error(404); } } else { // changing global code $page = false; } default_html(true); html_add_js_var('$.glue.page', $page); html_add_css(base_url() . 'modules/user_code/user_code.css'); if (USE_MIN_FILES) { html_add_js(base_url() . 'modules/user_code/user_code.min.js'); } else { html_add_js(base_url() . 'modules/user_code/user_code.js'); } $bdy =& body(); // create array with names of code elements $code = array('head' => '', 'body' => ''); elem_attr($bdy, 'id', 'user_code'); if ($page === false) { body_append('<h1>Global code</h1>' . nl()); // try to load code foreach ($code as $x => $v) { $code[$x] = @file_get_contents(CONTENT_DIR . '/user' . $x); if ($code[$x] === false) { $code[$x] = ''; } } } else { body_append('<h1>"' . htmlspecialchars(substr($page, 0, strpos($page, '.')), ENT_NOQUOTES, 'UTF-8') . '" page code</h1>' . nl()); load_modules('glue'); foreach ($code as $x => $v) { $obj = load_object(array('name' => $page . '.user' . $x)); if ($obj['#error']) { $code[$x] = ''; } else { $code[$x] = $obj['#data']['content']; } } } foreach ($code as $k => $v) { // encoding to html must come before the replacement below $v = htmlspecialchars($v, ENT_NOQUOTES, 'UTF-8'); // replace newline characters by an entity to prevent render_object() // from adding some indentation $v = str_replace("\r\n", ' ', $v); $v = str_replace("\n", ' ', $v); // why not replace tabs as well why we are at it $v = str_replace("\t", '	', $v); $code[$k] = $v; } body_append('<div id=\'text\'>add your custom code to <head> and <body> sections of this ' . ($page ? 'page.' : 'site.') . nl()); body_append('<br>' . nl()); body_append('be cautious - errors in the code below may render the whole ' . ($page ? 'page' : 'site') . ' unusable.</div>' . nl()); body_append('<br>' . nl()); body_append('<div id=\'fake_tags\'><head></div>' . nl()); body_append('<textarea id="user_head_text" placeholder="enter code here">' . $code['head'] . '</textarea>' . nl()); body_append('<br>' . nl()); body_append('<div id=\'fake_tags\'></head><br>' . nl()); body_append('<body></div>' . nl()); body_append('<textarea id="user_body_text" placeholder="enter code here">' . $code['body'] . '</textarea>' . nl()); body_append('<div id=\'fake_tags\'></body></div><br>' . nl()); body_append('<input id="user_code_save" type="button" value="save">' . nl()); echo html_finalize(); }
/** * implements render_object */ function image_render_object($args) { $obj = $args['obj']; if (!isset($obj['type']) || $obj['type'] != 'image') { return false; } // the outer element must be a div or something else that can contain // other elements // we only set up the most basic element here - all the other work is // done inside the alter_render_early hook // this way also object that "derive" from this (which don't have their // $obj['type'] set to image) can use this code $e = elem('div'); elem_attr($e, 'id', $obj['name']); elem_add_class($e, 'image'); elem_add_class($e, 'resizable'); elem_add_class($e, 'object'); // hook // elem is passed as reference here // it is suggested that we first call our own function before any others // that might want to modify the element that is being set up invoke_hook_first('alter_render_early', 'image', array('obj' => $obj, 'elem' => &$e, 'edit' => $args['edit'])); $html = elem_finalize($e); // html is passed as reference here // it is suggested that we call our own function after all others invoke_hook_last('alter_render_late', 'image', array('obj' => $obj, 'html' => &$html, 'elem' => $e, 'edit' => $args['edit'])); return $html; }
/** * save the state of a html element corresponding to an object to disk * * this function takes the object lock. * @param array $args arguments * key 'html' one html element * @return array response * true if successful */ function save_state($args) { if (empty($args['html'])) { return response('Required argument "html" missing or empty', 400); } require_once 'html.inc.php'; require_once 'html_parse.inc.php'; $elem = html_parse_elem($args['html']); if (!elem_has_class($elem, 'object')) { return response('Error saving state as class "object" is not set', 400); } elseif (!object_exists(elem_attr($elem, 'id'))) { return response('Error saving state as object does not exist', 404); } // LOCK $L = _obj_lock(elem_attr($elem, 'id'), LOCK_TIME); if ($L === false) { return response('Could not acquire lock to ' . quot($args['name']) . ' in ' . LOCK_TIME . 'ms', 500); } $obj = load_object(array('name' => elem_attr($elem, 'id'))); if ($obj['#error']) { // UNLOCK _obj_unlock($L); return response('Error saving state, cannot load ' . quot(elem_attr($elem, 'id')), 500); } else { $obj = $obj['#data']; } $ret = invoke_hook_while('save_state', false, array('elem' => $elem, 'obj' => $obj)); // UNLOCK _obj_unlock($L); if (count($ret) == 0) { return response('Error saving state as nobody claimed element', 500); } else { $temp = array_keys($ret); log_msg('info', 'save_state: ' . quot($obj['name']) . ' was handled by ' . quot($temp[0])); return response(true); } }
/** * return a hotglue-themed error message to the client * * the function does not return if successful. * @param int $code error code * @param bool $no_header don't output any header * @return false if the error code is not supported yet */ function hotglue_error($code, $no_header = false) { if (!$no_header) { // output header if (USE_HOTGLUE_ERRORS) { $header_only = true; } else { $header_only = false; } if (!http_error($code, $header_only)) { return false; } } // output informative message html_flush(); default_html(false); html_add_css(base_url() . 'css/hotglue_error.css'); $bdy =& body(); elem_attr($bdy, 'id', 'hotglue_error'); body_append(tab(1) . '<div id="paper">' . nl()); body_append(tab(2) . '<div id="wrapper">' . nl()); body_append(tab(3) . '<div id="content">' . nl()); body_append(tab(4) . '<div id="left-nav">' . nl()); body_append(tab(5) . '<img src="' . htmlspecialchars(base_url(), ENT_COMPAT, 'UTF-8') . 'img/hotglue-logo.png" alt="logo">' . nl()); body_append(tab(4) . '</div>' . nl()); body_append(tab(4) . '<div id="main">' . nl()); if ($code == 400) { body_append(tab(5) . '<h1 id="error-title">ERROR 400, bad request!</h1>' . nl()); } elseif ($code == 401) { body_append(tab(5) . '<h1 id="error-title">Authorization required!</h1>' . nl()); } elseif ($code == 404) { body_append(tab(5) . '<h1 id="error-title">ERROR 404, not found!</h1>' . nl()); } elseif ($code == 500) { body_append(tab(5) . '<h1 id="error-title">ERROR 500, server fault!</h1>' . nl()); } body_append(tab(5) . '<p>' . nl()); if ($code == 400) { body_append(tab(6) . 'Something got screwed up...<br>' . nl()); body_append(tab(6) . 'The page is sending a bad request to the server!' . nl()); } elseif ($code == 401) { body_append(tab(6) . 'You need to be logged in in order to do this.<br>' . nl()); } elseif ($code == 404) { body_append(tab(6) . 'It looks like you got lost in cyber-space...<br>' . nl()); body_append(tab(6) . 'The page you are trying to reach does not exist!' . nl()); } elseif ($code == 500) { body_append(tab(6) . 'Are we runnining out of fuel?!<br>' . nl()); body_append(tab(6) . 'Something is causing serious server errors!' . nl()); } body_append(tab(5) . '</p>' . nl()); body_append(tab(6) . '<a href="' . htmlspecialchars(base_url(), ENT_COMPAT, 'UTF-8') . '" id="home">take me home!</a>' . nl()); body_append(tab(4) . '</div>' . nl()); body_append(tab(3) . '</div>' . nl()); body_append(tab(2) . '</div>' . nl()); body_append(tab(2) . '<div style="position: absolute; left: 200px; top: -10px; z-index: 2;">' . nl()); body_append(tab(3) . '<img src="' . htmlspecialchars(base_url(), ENT_COMPAT, 'UTF-8') . 'img/hotglue-404.png" alt="404">' . nl()); body_append(tab(2) . '</div>' . nl()); body_append(tab(1) . '</div>' . nl()); echo html_finalize(); die; }
function download_render_object($args) { $obj = $args['obj']; if (!isset($obj['type']) || $obj['type'] != 'download') { return false; } $e = elem('div'); elem_attr($e, 'id', $obj['name']); elem_add_class($e, 'download'); elem_add_class($e, 'object'); // hooks invoke_hook_first('alter_render_early', 'download', array('obj' => $obj, 'elem' => &$e, 'edit' => $args['edit'])); $html = elem_finalize($e); invoke_hook_last('alter_render_late', 'download', array('obj' => $obj, 'html' => &$html, 'elem' => $e, 'edit' => $args['edit'])); if (!$args['edit']) { // put link to file around the element if (SHORT_URLS) { $link = base_url() . urlencode($obj['name']) . '&download=1'; } else { $link = base_url() . '?' . urlencode($obj['name']) . '&download=1'; } $html = '<a href="' . htmlspecialchars($link, ENT_COMPAT, 'UTF-8') . '">' . "\n\t" . str_replace("\n", "\n\t", $html) . "\n" . '</a>' . "\n"; } return $html; }