This may seem trivial and/or insecure to some, but I've been
thinking about the advantages of utilizing existing services
for authentication of a dynamic website. That is, you can
log in with your yahoo account or your slashdot account, or some other service against which I can authenticate. I won't store the password, just pass it along and to see if the correct service validates it, if so, I set my own cookie and proceed.
I've looked into libyahoo, a C library, but I haven't found a perl solution yet. Any suggestions?