Copyright Message
Rewrite copyrighted images to first display the copyright note: (see also SettingCookies for Version 2.0 ;-)) in the .htaccess file:
RewriteEngine On
## comes not from the copyright page
RewriteCond %{HTTP_REFERER} !(^.*/public/copyright\.html$)
## comes not from itself, so has been redirected already, optional query string
RewriteCond %{HTTP_REFERER} !(^.*(jpg|tif|tiff|jpeg|mov|mp4|mpg|ram)(\?.*)?$)
## is a request for a hires or fullres image
RewriteCond %{REQUEST_URI} ^.*(fullres|highres|hires|\/video\/).*$
## then do the trick...
RewriteRule ^(.*)$ /public/copyright.html
und copyright.html:
if (!$target = $_REQUEST["target"]) {
# we are coming via the rewrite rule, so the image to be shown is in the URI!
$target = $_SERVER["REQUEST_URI"];
}
$source = $_SERVER["HTTP_REFERER"];
# SAFARI HACK (caching), we have been here before... prevent caching
if (stristr($_SERVER["HTTP_USER_AGENT"],'Safari')) {
if (!$querystring = stristr($target,'?')) {
$target = $target."?img=show";
} else {
$target = $target."&img=show";
}
}
[...]
<a href="<?=$target?>" class="button_yes">I accept the conditions</a>
<a href="<?=$source?>" class="button_no">I do not accept the conditions</a>