d228bf1de3
(cherry picked from commit 736eb17a796a1c1ad5f4db2c6a64f6752db7bec3) (cherry picked from commit 4edd7bd82094dd8c1474a912532e6373cedf79c9)
Hadoop Auth, Java HTTP SPNEGO Hadoop Auth is a Java library consisting of a client and a server components to enable Kerberos SPNEGO authentication for HTTP. The client component is the AuthenticatedURL class. The server component is the AuthenticationFilter servlet filter class. Authentication mechanisms support is pluggable in both the client and the server components via interfaces. In addition to Kerberos SPNEGO, Hadoop Auth also supports Pseudo/Simple authentication (trusting the value of the query string parameter 'user.name').