// Icon script
// Run includes
require_once dirname(dirname(__FILE__)) . "/includes.php";
// Initialise functions for user details, icon management and profile management
run("userdetails:init");
run("profile:init");
run("files:init");
// If an ID number for the file has been specified ...
$id = optional_param('id', 0, PARAM_INT);
if (!empty($id)) {
// ... and the file exists ...
if ($file = get_record('files', 'ident', $id)) {
if (run("users:access_level_check", $file->access) == true) {
require_once $CFG->dirroot . 'lib/filelib.php';
require_once $CFG->dirroot . 'lib/iconslib.php';
// "Cache-Control: private" to allow a user's browser to cache the file, but not a shared proxy
// Also to override PHP's default "DON'T EVER CACHE THIS EVER" header
header("Cache-Control: private");
// Then output some appropriate headers and send the file data!
$mimetype = mimeinfo('type', $file->originalname);
if ($mimetype == "image/jpeg" || $mimetype == "image/png") {
// file is an image
$phpthumbconfig['w'] = 90;
spit_phpthumb_image($CFG->dataroot . $file->location, $phpthumbconfig);
} else {
// file is a file
spitfile_with_mtime_check($CFG->dirroot . "_files/file.png", "image/png");
}
}
}
}
$phpthumb = true;
$phpthumbconfig[$constraint2] = $size2;
}
// images most likely don't want compressing, and this will kill the Vary header
if (function_exists('apache_setenv')) {
// apparently @ isn't enough to make php ignore this failing
@apache_setenv('no-gzip', '1');
}
// user icons are public
header("Pragma: public");
header("Cache-Control: public");
if (!$default && !$phpthumb && ($constraint1 == 'h' || $constraint1 == 'w') && (!$constraint2 || $constraint2 == 'h' || $constraint2 == 'w')) {
// 100 pixels requested, redirect to attributeless icon url for cacheability fun
header($_SERVER['SERVER_PROTOCOL'] . " 301 Moved Permanently");
header("Location: " . $CFG->wwwroot . '_icon/user/' . $id);
die;
}
if ($phpthumb) {
// let phpthumb manipulate the image
spit_phpthumb_image($filepath, $phpthumbconfig);
} elseif ($default) {
// no manipulation and default icon
if ($id == -1) {
header($_SERVER['SERVER_PROTOCOL'] . " 301 Moved Permanently");
}
header("Location: " . $CFG->wwwroot . '_icons/data/default.png');
die;
} else {
// output the image directly
spitfile_with_mtime_check($filepath, $mimetype);
}
// images most likely don't want compressing, and this will kill the Vary header
if (function_exists('apache_setenv')) {
// apparently @ isn't enough to make php ignore this failing
@apache_setenv('no-gzip', '1');
}
if ($file->access == 'PUBLIC') {
header("Pragma: public");
header("Cache-Control: public");
} else {
// "Cache-Control: private" to allow a user's browser to cache the file, but not a shared proxy
// Also to override PHP's default "DON'T EVER CACHE THIS EVER" header
header("Cache-Control: private");
}
$mimetype = mimeinfo('type', $file->originalname);
if ($mimetype == "image/jpeg" || $mimetype == "image/png" || $mimetype == "image/gif") {
// file is an image
$phpthumbconfig = array();
$phpthumbconfig['w'] = $w;
$phpthumbconfig['h'] = $h;
$filelocation = file_cache($file);
spit_phpthumb_image($filelocation, $phpthumbconfig);
} else {
// file is a file
header($_SERVER['SERVER_PROTOCOL'] . " 301 Moved Permanently");
//permanent because the user's file can't change and keep the same id
header("Location: " . $CFG->wwwroot . 'mod/file/file.png');
die;
}
}
}
}
