Docs ModTriggerBeforeDownload » History » Revision 9
Revision 8 (Anonymous, 2008-09-04 09:34) → Revision 9/13 (stbuehler, 2009-02-17 10:09)
h1. Module mod_trigger_b4_dl - [[TracNav(DocsToc)]] <pre> #!rst ======================= Trigger before Download ======================= {{>toc}} ------------------------- Module: mod_trigger_b4_dl ------------------------- h2. .. meta:: :keywords: lighttpd, hot-linking, deep-linking .. contents:: Table of Contents Description =========== Anti Hotlinking: * if user requests "download-url" ''download-url'' directly, the request is denied and he is redirected to "deny-url" ''deny-url' * if user visits "trigger-url" ''trigger-url'' before requesting "download-url", ''download-url'', access is granted * if user visits "download-url" ''download-url'' again after "trigger-timeout" ''trigger-timeout'' has elapsed, the request is denied and he is redirected to "deny-url" ''deny-url'' The trigger information is either stored locally in a gdbm file or remotely in memcached. h2. Requirements ------------ * libpcre * libgdbm or libmemcache (install the C client API,visit http://people.freebsd.org/~seanc/libmemcache/ and http://danga.com/memcached/apis.bml for detail.) h2. Example config Options ======= <pre> :: trigger-before-download.gdbm-filename = "/home/weigon/testbase/trigger.db" trigger-before-download.memcache-hosts = ( "127.0.0.1:11211" ) trigger-before-download.trigger-url = "^/trigger/" trigger-before-download.download-url = "^/download/" trigger-before-download.deny-url = "http://192.168.1.5:1025/index.html" trigger-before-download.trigger-timeout = 10 </pre> If both @trigger-before-download.gdbm-filename@ trigger-before-download.gdbm-filename and @trigger-before-download.memcache-hosts@ trigger-before-download.memcache-hosts is set gdbm will take precedence. h2. Installation ============ memcached should be started with the option -M as we don't want to remove entry if the memory is full. </pre>