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SEC-1146: Add some information on using authority groups

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This commit is contained in:
Luke Taylor 2009-07-29 16:30:15 +00:00
parent 5d5df0c63d
commit ecbacddc7c
3 changed files with 29 additions and 16 deletions
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9
docs/manual/src/docbook/appendix-db-schema.xml
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@ -12,8 +12,8 @@
<section>
<title>User Schema</title>
<para> The standard JDBC implementation of the <interfacename>UserDetailsService</interfacename>
requires tables to load the password, account status (enabled or disabled) and a list of
authorities (roles) for the user.
(<classname>JdbcDaoImpl</classname>) requires tables to load the password, account status
(enabled or disabled) and a list of authorities (roles) for the user.
<programlisting xml:id="db_schema_users_authorities">
create table users(
username varchar_ignorecase(50) not null primary key,
@ -28,8 +28,9 @@
</programlisting></para>
<section>
<title>Group Authorities</title>
<para> Spring Security 2.0 introduced support for group authorities
<programlisting xml:id="db-schema-groups">
<para> Spring Security 2.0 introduced support for group authorities in
<classname>JdbcDaoImpl</classname>. The table structure if groups are enabled is as
follows:<programlisting xml:id="db-schema-groups">
create table groups (
id bigint generated by default as identity(start with 0) primary key,
group_name varchar_ignorecase(50) not null);

34
docs/manual/src/docbook/core-services.xml
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@ -79,25 +79,25 @@
<para>The simplest <interfacename>AuthenticationProvider</interfacename> implemented by
Spring Security is <literal>DaoAuthenticationProvider</literal>, which is is also
one of the earliest supported by the framework. It leverages a
<interfacename>UserDetailsService</interfacename> (as a DAO) in order to lookup
<interfacename>UserDetailsService</interfacename> (as a DAO) in order to lookup
the username, password and <interfacename>GrantedAuthority</interfacename>s. It
authenticates the user simply by comparing the password submitted in a
<classname>UsernamePasswordAuthenticationToken</classname> against the one
loaded by the <interfacename>UserDetailsService</interfacename>. Configuring the
provider is quite simple:
<programlisting language="xml"><![CDATA[
provider is quite simple: <programlisting language="xml"><![CDATA[
<bean id="daoAuthenticationProvider"
class="org.springframework.security.authentication.dao.DaoAuthenticationProvider">
<property name="userDetailsService" ref="inMemoryDaoImpl"/>
<property name="saltSource" ref bean="saltSource"/>
<property name="passwordEncoder" ref="passwordEncoder"/>
</bean>]]></programlisting>
The <interfacename>PasswordEncoder</interfacename> and <interfacename>SaltSource</interfacename> are
optional. A <interfacename>PasswordEncoder</interfacename> provides encoding and decoding of passwords
presented in the <interfacename>UserDetails</interfacename> object that is returned from the configured
<interfacename>UserDetailsService</interfacename>. A <interfacename>SaltSource</interfacename> enables
the passwords to be populated with a "salt", which enhances the security of the
passwords in the authentication repository. These will be discussed in more detail in ???.
</bean>]]></programlisting> The <interfacename>PasswordEncoder</interfacename> and
<interfacename>SaltSource</interfacename> are optional. A
<interfacename>PasswordEncoder</interfacename> provides encoding and decoding of
passwords presented in the <interfacename>UserDetails</interfacename> object that is
returned from the configured <interfacename>UserDetailsService</interfacename>. A
<interfacename>SaltSource</interfacename> enables the passwords to be populated
with a "salt", which enhances the security of the passwords in the authentication
repository. These will be discussed in more detail in ???.
<!-- TODO: Add sections on password encoding and user caching to advaced topics -->
</para>
</section>
@ -178,7 +178,19 @@
</para>
<para>You can use different relational database management systems by modifying the
<literal>DriverManagerDataSource</literal> shown above. You can also use a
global data source obtained from JNDI, as with any other Spring configuration. </para>
global data source obtained from JNDI, as with any other Spring
configuration.</para>
<section>
<title>Authority Groups</title>
<para>By default, <classname>JdbcDaoImpl</classname> loads the authorities for a
single user with the assumption that the authorities are mapped directly to
users (see the <link xlink:href="#appendix-schema">database schema
appendix</link>). An alternative approach is to partition the authorities
into groups and assign groups to the user. Some people prefer this approach as a
means of administering user rights. See the <classname>JdbcDaoImpl</classname>
Javadoc for more information on how to enable the use of group authorities. The
group schema is also included in the appendix.</para>
</section>
<!--
<para>If the default schema is unsuitable for your needs, <literal>JdbcDaoImpl</literal>
provides properties that allow customisation of the SQL statements. Please refer to the

2
docs/manual/src/docbook/technical-overview.xml
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@ -114,7 +114,7 @@ if (principal instanceof UserDetails) {
xlink:href="#tech-intro-authentication-mgr">below</link>). The good news is that we
provide a number of <interfacename>UserDetailsService</interfacename> implementations,
including one that uses an in-memory map (<classname>InMemoryDaoImpl</classname>) and
another that uses JDBC (<interfacename>JdbcDaoImpl</interfacename>). Most users tend to
another that uses JDBC (<classname>JdbcDaoImpl</classname>). Most users tend to
write their own, though, with their implementations often simply sitting on top of an
existing Data Access Object (DAO) that represents their employees, customers, or other users
of the application. Remember the advantage that whatever your