/**
* returns an image with appropriate headers
* @access public
*/
function returnImage()
{
//if thumbs level on depeth map, can just use normal render.
if ($this->type_or_user == -1 && $this->pixels_per_km > 4) {
$this->type_or_user = 0;
}
$file = $this->getImageFilename();
$full = $_SERVER['DOCUMENT_ROOT'] . $file;
if (!$this->caching || !@file_exists($full)) {
$this->_renderMap();
}
if (!@file_exists($full)) {
$full = $_SERVER['DOCUMENT_ROOT'] . "/maps/errortile.png";
}
$type = "image/png";
if (strpos($full, ".jpg") > 0) {
$type = "image/jpeg";
}
//Last-Modified: Sun, 20 Mar 2005 18:19:58 GMT
$t = filemtime($full);
//use the filename as a hash
//can use if-last-mod as file is not unique per user
customCacheControl($t, $full, true);
customExpiresHeader(3600 * 6, true);
$size = filesize($full);
header("Content-Type: {$type}");
header("Content-Size: {$size}");
header("Content-Length: {$size}");
//header("Cache-Control: no-store, no-cache, must-revalidate"); // HTTP/1.1
//header("Cache-Control: post-check=0, pre-check=0", false);
//header("Pragma: no-cache");
readfile($full);
}
$r = '';
if (mysql_num_rows($result) > 0) {
$rows = array();
while ($row = mysql_fetch_array($result, MYSQL_ASSOC)) {
$rows[$row['id']] = $row;
}
foreach ($ids as $id) {
$row = $rows[$id];
$lines = wordwrap($row['localities'], 50, "\n");
$row['localities'] = preg_replace("/\n.*/s", '', $lines);
$r .= join("\t", array_values($row)) . "\n";
}
$r .= "\t{$query_info}\t\t\tGreat Britain results (c) Crown copyright Ordnance Survey. All Rights Reserved. 100045616";
} else {
$r = "\t--none--";
}
}
if ($r) {
if ($encoding) {
$r = gzencode($r, 9, $encoding == 'gzip' ? FORCE_GZIP : FORCE_DEFLATE);
}
customExpiresHeader(3600 * 24 * 24, true);
if (empty($nocache)) {
file_put_contents($cachepath, $r);
$mtime = @filemtime($cachepath);
customCacheControl($mtime, $cachepath);
}
header('Content-length: ' . strlen($r));
print $r;
}
exit;
$_GET['days'] = 10;
}
if (!$smarty->is_cached($template, $cacheid)) {
$db = NewADOConnection($GLOBALS['DSN']);
if (empty($db)) {
die('Database connection failed');
}
if ($u) {
$where = "where submitted > date_sub(now(),interval {$_GET['days']} day) and user_id = {$u}";
$having = isset($_GET['full']) ? '' : 'having cnt>5';
$table = 'gridimage';
$smarty->assign('varname', 'catListUser');
$arr = $db->getCol("select imageclass,count(*) as cnt from {$table} {$where} group by imageclass {$having}");
} else {
$where = isset($_GET['full']) ? '' : 'where c>5';
$table = 'category_stat';
$smarty->assign('varname', 'catList');
$arr = $db->getCol("select imageclass,c as cnt from {$table} {$where}");
}
$smarty->assign_by_ref('classes', $arr);
}
if ($u) {
customExpiresHeader(300, false);
} else {
customExpiresHeader(3600 * 3, true);
}
header("Content-type: text/javascript");
customGZipHandlerStart();
//always turn off debugging, it will break the js
$smarty->debugging = false;
$smarty->display($template, $cacheid);
//already set
} elseif (isset($uploadmanager->exifdate)) {
$smarty->assign('imagetaken', $uploadmanager->exifdate);
//$smarty->assign('imagetakenmessage', ' ('.$uploadmanager->exifdate.' stated in exif header)');
} else {
$smarty->assign('imagetaken', '--');
}
if (isset($_SESSION['last_imagetaken'])) {
$smarty->assign('last_imagetaken', $_SESSION['last_imagetaken']);
}
$smarty->assign('today_imagetaken', date("Y-m-d"));
}
//which step to display?
$smarty->assign('step', $step);
if ($_SERVER['REQUEST_METHOD'] == 'GET') {
customExpiresHeader(3600, false, true);
}
} elseif (!empty($_POST['rss'])) {
$xh = new xmlHandler();
$nodeNames = array("PHOTO:THUMBNAIL", "PHOTO:IMGSRC", "TITLE");
$xh->setElementNames($nodeNames);
$xh->setStartTag("ITEM");
$xh->setVarsDefault();
$xh->setXmlParser();
$xh->setXmlData(stripslashes($_POST['rss']));
$pData = $xh->xmlParse();
$smarty->assign_by_ref('pData', array_slice($pData, 0, 10));
} else {
$template = "puploader_login.tpl";
}
$smarty->display($template, $cacheid);
}
/////////////////////////
//check if we have a cached tile
$mustgenerate = false;
if ($memcache->valid && !isset($_GET['refresh'])) {
$mkey = "{$_GET['l']}:{$e},{$n},{$reference_index},{$widthdist}";
$lastmod =& $memcache->name_get('tl', $mkey);
if (!$lastmod) {
$lastmod = time();
$mustgenerate = true;
}
} else {
$lastmod = time();
}
customCacheControl($lastmod, "{$e},{$n},{$reference_index}");
customExpiresHeader(86400, true);
if ($memcache->valid && $mkey && !$mustgenerate) {
$data =& $memcache->name_get('td', $mkey);
if ($data) {
if ($data == 'blank') {
header("HTTP/1.0 302 Found");
header("Status: 302 Found");
header("Location: http://{$CONF['CONTENT_HOST']}/maps/blank.png");
} else {
header("Content-Type: image/png");
print $data;
}
exit;
}
}
/////////////////////////
function customNoCacheHeader($type = 'nocache', $disable_auto = false)
{
//none/nocache/private/private_no_expire/public
if ($type == 'nocache') {
header("Cache-Control: no-store, no-cache, must-revalidate");
// HTTP/1.1
header("Cache-Control: post-check=0, pre-check=0", false);
header("Pragma: no-cache");
customExpiresHeader(-1);
}
if ($disable_auto) {
//call to disable the auto session one, could then call another here if needbe
session_cache_limiter('none');
}
}
/**
* returns an image with appropriate headers
* @access public
*/
function returnImage()
{
$mappath = $this->getMapPath($this->service);
if (!$mappath || !file_exists($mappath)) {
$expires = strftime("%a, %d %b %Y %H:%M:%S GMT", time() + 604800);
header("Expires: {$expires}");
header("Location: /maps/errortile.png");
exit;
}
#there is a suggestion that as we setting an expires, we can do without mod checks (by not sending etag/lastmod), and avoid needless 304's
#//Last-Modified: Sun, 20 Mar 2005 18:19:58 GMT
#$t=filemtime($mappath);
#//use the filename as a hash (md5'ed)
#//can use if-last-mod as file is not unique per user
#customCacheControl($t,$mappath,true);
customExpiresHeader(604800, true);
header("Content-Type: image/png");
$size = filesize($mappath);
header("Content-Size: {$size}");
header("Content-Length: {$size}");
readfile($mappath);
}
/**
* @since 1.4
* @access private
*/
function _redirect($filename)
{
//uses Geograph specific functions, get them seperatly or just comment out.
$mtime = filemtime($filename);
customCacheControl($mtime, $mtime);
$timeout = 3600;
if (!empty($GLOBALS['rss_timeout'])) {
$timeout = $GLOBALS['rss_timeout'];
}
customExpiresHeader($timeout - (time() - $mtime), true);
//end;
if ($filesize = filesize($filename)) {
header('Content-Length: ' . $filesize);
}
Header("Content-Type: " . $this->contentType . "; charset=" . $this->encoding);
if (preg_match("/\\.(kml|gpx)\$/", $filename)) {
Header("Content-Disposition: attachment; filename=" . basename($filename));
} else {
Header("Content-Disposition: inline; filename=" . basename($filename));
}
readfile($filename, "r");
die;
}
/**
* outputs jpeg data for upload id $id and exits
*/
function outputPreviewImage($id)
{
global $USER;
$err = "";
if ($this->validUploadId($id)) {
$uploadfile = $this->_pendingJPEG($id);
if (file_exists($uploadfile)) {
customExpiresHeader(3600 * 48);
header("Content-Type:image/jpeg");
readfile($uploadfile);
exit;
} else {
$err = "Upload image not found";
}
} else {
$err = "Bad preview id";
}
//generate an error message image if we reach here///
$im = imagecreate(320, 240);
$bgc = imagecolorallocate($im, 255, 255, 255);
$tc = imagecolorallocate($im, 0, 0, 0);
imagefilledrectangle($im, 0, 0, 320, 240, $bgc);
imagestring($im, 1, 5, 5, $err, $tc);
imagejpeg($im);
imagedestroy($im);
exit;
}
function beginResponse($skip = null)
{
customGZipHandlerStart();
if ($this->output == 'json') {
if (!empty($this->callback)) {
customExpiresHeader(3600 * 24, true, true);
echo "{$this->callback}(";
} else {
customExpiresHeader(360, true, true);
}
} else {
customExpiresHeader(360, true, true);
header("Content-Type:text/xml");
echo '<?xml version="1.0" encoding="UTF-8"?>';
if (empty($skip)) {
echo '<geograph>';
}
}
}
