public function render()
{
$headers = array();
$response = '';
if (count($this->route_matches) > 1) {
$site = $this->route_matches[1];
if (!preg_match('@^https?://@i', $site)) {
$site = 'http://' . $site;
}
$headers = @get_headers($site);
if (!$headers) {
error400('Headers could not be retrieved for that domain.');
return;
}
foreach ($headers as $header) {
$response .= htmlspecialchars($header . "\n");
}
} else {
$headers = getallheaders();
foreach ($headers as $key => $value) {
if (server_or_default('HTTP_X_DAGD_PROXY') == "1") {
if (strpos($key, 'X-Forwarded-') === 0 || $key == 'X-DaGd-Proxy') {
continue;
}
}
$response .= htmlspecialchars($key . ': ' . $value . "\n");
}
}
return $response;
}
public function render()
{
$query = $this->route_matches[1];
// Default to english (en).
$language = request_or_default('lang', 'en');
if (!preg_match('@^[a-z]+$@i', $language)) {
error400('`lang` should only contain letters.');
return;
}
$wmprojects = array("wikipedia", "wiktionary", "wikisource", "wikiversity", "wikibooks", "wikiquote", "wikinews");
// Default to wikipedia.org.
$project = request_or_default('proj', 'wikipedia');
if (!in_array($project, $wmprojects)) {
error400('`proj` needs to be a valid Wikimedia project.');
return;
}
if (!count(dns_get_record($language . '.' . $project . '.org'))) {
error400($language . '.' . $project . '.org is not a valid wikipedia subdomain.');
return;
}
$counts = file_get_contents('http://' . $language . '.' . $project . '.org/w/api.php?action=query&list=users' . '&usprop=editcount&format=json&ususers=' . urlencode($query));
$json_counts = json_decode($counts, true);
$json_counts = $json_counts['query']['users'];
$total_edits = 0;
foreach ($json_counts as $user) {
$total_edits += (int) $user['editcount'];
}
return $total_edits;
}
public function render()
{
$environment = DaGdConfig::get('general.environment');
if ($environment != 'development') {
error400('This page is disabled in the production environment.');
return false;
} else {
throw new Exception('This is a test exception.');
}
}
public function render()
{
$code = $this->route_matches[1];
if (!is_numeric($code)) {
error400('You should give a numeric HTTP status code.');
return;
}
if ((int) $code > 999) {
error400('The given HTTP status code must be under 1000.');
return;
}
if (count($this->route_matches) == 2) {
header('HTTP/1.1 ' . $code . ' da.gd header test');
return;
} else {
$text = $this->route_matches[2];
header('HTTP/1.1 ' . $code . ' ' . $text);
return;
}
}
public function render()
{
if (server_or_default('REQUEST_METHOD') == 'POST') {
error400('This service has been deprecated, no new pastes are being accepted.');
return;
} else {
// Trying to access one?
if (count($this->route_matches) > 1) {
// Yes
$this->paste_id = $this->route_matches[1];
$this->fetch_paste();
if ($this->paste_text) {
// NEVER EVER EVER EVER EVER EVER EVER remove this header() without
// changing the lines below it. XSS is bad. :)
header('Content-type: text/plain; charset=utf-8');
header('X-Content-Type-Options: nosniff');
$this->wrap_pre = false;
$this->escape = false;
$this->text_html_strip = false;
$this->text_content_type = false;
return $this->paste_text;
} else {
error404();
return;
}
} else {
if (!is_html_useragent()) {
// No use in showing a form for text UAs. Rather, show help text.
return help('DaGdPastebinController');
}
$content = '
***da.gd Pastebin***
This feature is being deprecated and no new pastes are being accepted.
';
$markup = new DaGdMarkup($content);
$markup = $markup->render();
echo $markup;
return;
}
}
}
if (strlen($type) == 0) {
return error400($host . '/' . $plugin . (strlen($pinst) ? '-' . $pinst : '') . '/?', "Type name may not be blank");
}
}
}
$tinst = read_var('c_type_instance', $vars, '');
$graph_identifier = $host . '/' . $plugin . (strlen($pinst) ? '-' . $pinst : '') . '/' . $type . (strlen($tinst) ? '-' . $tinst : '-*');
$timespan = read_var('timespan', $vars, $config['timespan'][0]['name']);
$timespan_ok = false;
foreach ($config['timespan'] as &$ts) {
if ($ts['name'] == $timespan) {
$timespan_ok = true;
}
}
if (!$timespan_ok) {
return error400($graph_identifier, "Unknown timespan requested");
}
$logscale = (bool) read_var('logarithmic', $vars, false);
$tinylegend = (bool) read_var('tinylegend', $vars, false);
// Check that at least 1 RRD exists for the specified request
$all_tinst = collectd_list_tinsts($host, $plugin, $pinst, $type);
if (count($all_tinst) == 0) {
return error404($graph_identifier, "No rrd file found for graphing");
}
// Now that we are read, do the bulk work
load_graph_definitions($logscale, $tinylegend);
$pinst = strlen($pinst) == 0 ? null : $pinst;
$tinst = strlen($tinst) == 0 ? null : $tinst;
$opts = array();
$opts['timespan'] = $timespan;
if ($logscale) {
public function render()
{
if ($this->route_matches[1] == 'store') {
// We are storing a command. Do some sanity checks.
$valid_char_pattern = '@^[\\d\\w-_]+$@i';
if (!preg_match($valid_char_pattern, $this->route_matches[2])) {
error400('Invalid command. Alphanumeric only, please.');
return false;
}
// TODO: might be better to use a unique constraint here, and not check
// ourselves. That way we only make one query and just report the error
// back.
$this->getURL($this->route_matches[2]);
if ($this->url !== null) {
error400('That command has already been defined. Try using a new name.');
return false;
}
if ($this->addCommand()) {
return 'Success.';
} else {
error400('Something failed :( ... Try again later.');
return false;
}
} elseif (count($this->route_matches) <= 2) {
$rows = $this->getAllCommands();
if (end($this->route_matches) == 'json') {
$commands = array();
foreach ($rows as $row) {
$commands[$row['command']] = $row['url'];
}
header('Content-Type: application/json');
$this->escape = false;
$this->wrap_pre = false;
return json_encode($commands);
} else {
$return = "***Enabled Commands***<dl>\n";
foreach ($rows as $row) {
$return .= '<dt>' . htmlspecialchars($row['command']) . "</dt>\n";
$return .= '<dd> Redirect: ' . htmlspecialchars($row['url']) . "</dd>\n";
$return .= '<dd> Added: ' . htmlspecialchars($row['creation_dt']) . "</dd>\n";
}
$return .= '</dl>';
$markup = new DaGdMarkup($return);
$markup->nl2br = false;
$this->escape = false;
$this->wrap_pre = false;
return $markup->render();
}
} else {
// Accessing a command?
$this->getURL($this->route_matches[1]);
if ($this->url === null) {
error400('That command was not found.');
return false;
} else {
$url = str_replace('$PARAMETERS', $this->route_matches[2], $this->url);
header('Location: ' . $url);
return true;
}
}
}
public function render()
{
$max_width = DaGdConfig::get('image.max_width');
$max_height = DaGdConfig::get('image.max_height');
$default_filetype = DaGdConfig::get('image.default_filetype');
$imagetypes = DaGdConfig::get('image.imagetypes');
$fontpath = DaGdConfig::get('image.fontpath');
$bg_color_rgb = DaGdConfig::get('image.default_bg_rgb');
$text_color_rgb = DaGdConfig::get('image.default_text_rgb');
$split = preg_split('@(?:x|\\*)@', $this->route_matches[1]);
if (count($split) !== 2) {
error400('You must separate width and height with either * or x');
return false;
} else {
$this->width = $split[0];
$this->height = $split[1];
}
if ($this->width > $max_width || $this->height > $max_height) {
error400('The generated image should be less than ' . $max_width . 'x' . $max_height . '.');
return false;
}
if (count($this->route_matches) === 3) {
if (in_array($this->route_matches[2], array_keys($imagetypes))) {
$this->filetype = $this->route_matches[2];
} else {
error400('The image type you specified is not supported.');
return false;
}
} else {
$this->filetype = $default_filetype;
}
$r = $bg_color_rgb[0];
$g = $bg_color_rgb[1];
$b = $bg_color_rgb[2];
if ($bgcolor = request_or_default('bgcolor')) {
if (strlen($bgcolor) == 6) {
$r = $bgcolor[0] . $bgcolor[1];
$g = $bgcolor[2] . $bgcolor[3];
$b = $bgcolor[4] . $bgcolor[5];
} elseif (strlen($bgcolor) == 3) {
$r = $bgcolor[0] . $bgcolor[0];
$g = $bgcolor[1] . $bgcolor[1];
$b = $bgcolor[2] . $bgcolor[2];
}
}
$this->bgcolor = array(hexdec($r), hexdec($g), hexdec($b));
$this->escape = false;
$this->wrap_pre = false;
$this->text_html_strip = false;
$this->text_content_type = false;
// Generate the image.
header('Content-Type: ' . $imagetypes[$this->filetype]['contenttype']);
$image = imagecreate($this->width, $this->height);
imagecolorallocate($image, $this->bgcolor[0], $this->bgcolor[1], $this->bgcolor[2]);
$text = request_or_default('text', $this->width . 'x' . $this->height);
if ($text == 'off') {
$text = '';
}
$positions = imagettfbbox(30, 0, $fontpath, $text);
$center_x = ceil(($this->width - $positions[2]) / 2);
$center_y = ceil(($this->height - $positions[5]) / 2);
$color = imagecolorallocate($image, $text_color_rgb[0], $text_color_rgb[1], $text_color_rgb[2]);
imagettftext($image, 30, 0, $center_x, $center_y, $color, $fontpath, $text);
call_user_func($imagetypes[$this->filetype]['phpfunction'], $image);
imagedestroy($image);
}
function error400($error = 'Invalid formula')
{
header($_SERVER['SERVER_PROTOCOL'] . ' 400 Bad Request');
include '400.php';
}
//ignore_user_abort();
ini_set('max_execution_time', 10);
header('X-Powered-By: S2 Latex Service');
$templater = new Templater(TPL_DIR);
$renderer = new Renderer($templater, TMP_DIR, LATEX_COMMAND, DVISVG_COMMAND, DVIPNG_COMMAND);
if (defined('LOG_DIR')) {
$renderer->setLogDir(LOG_DIR);
}
$renderer->setDebug($isDebug);
$processor = new Processor($renderer, CACHE_SUCCESS_DIR, CACHE_FAIL_DIR);
$processor->addSVGCommand(SVGO);
$processor->addSVGCommand(GZIP);
try {
$processor->parseURI(parse_url($_SERVER['REQUEST_URI'], PHP_URL_PATH));
} catch (Exception $e) {
error400($isDebug ? $e->getMessage() : 'Invalid formula');
die;
}
if ($processor->prepareContent()) {
$processor->echoContent();
} else {
error400($isDebug ? $processor->getError() : 'Invalid formula');
}
if (!$isDebug) {
$processor->saveContent();
}
public function set_longurl_or_400()
{
if ($_REQUEST['url'] == '') {
// If url was there but is an empty string, say so.
error400('Error: Cannot create something out of nothing.');
return false;
}
if ($long_url = request_or_default('url')) {
// Something has at least been submitted. Is it valid?
if (preg_match('@^https?://@', $long_url) && !$this->blacklisted($long_url)) {
// Good enough for now...probably needs some better checks.
$this->long_url = $long_url;
return true;
} else {
error400('Malformed or blacklisted original URL. Try again (http or https ' . 'protocols only, please.).');
return false;
}
} else {
return false;
}
}
if (strlen($type) == 0) {
return error400($host . '/' . $plugin . (strlen($pinst) ? '-' . $pinst : '') . '/?', "类型名称不可以空白");
}
}
}
$tinst = read_var('c_type_instance', $vars, '');
$graph_identifier = $host . '/' . $plugin . (strlen($pinst) ? '-' . $pinst : '') . '/' . $type . (strlen($tinst) ? '-' . $tinst : '-*');
$timespan = read_var('timespan', $vars, $config['timespan'][0]['name']);
$timespan_ok = false;
foreach ($config['timespan'] as &$ts) {
if ($ts['name'] == $timespan) {
$timespan_ok = true;
}
}
if (!$timespan_ok) {
return error400($graph_identifier, "未知的时间要求");
}
$logscale = (bool) read_var('logarithmic', $vars, false);
$tinylegend = (bool) read_var('tinylegend', $vars, false);
// Check that at least 1 RRD exists for the specified request
$all_tinst = collectd_list_tinsts($host, $plugin, $pinst, $type);
if (count($all_tinst) == 0) {
return error404($graph_identifier, "没有RRD文件发现图形");
}
// Now that we are read, do the bulk work
load_graph_definitions($logscale, $tinylegend);
$pinst = strlen($pinst) == 0 ? null : $pinst;
$tinst = strlen($tinst) == 0 ? null : $tinst;
$opts = array();
$opts['timespan'] = $timespan;
if ($logscale) {