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28 lines
1.5 KiB
Plaintext
28 lines
1.5 KiB
Plaintext
[[servlet-authentication-unpwd]]
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= Username/Password Authentication
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:figures: images/servlet/authentication/unpwd
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:icondir: images/icons
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One of the most common ways to authenticate a user is by validating a username and password.
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As such, Spring Security provides comprehensive support for authenticating with a username and password.
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[[servlet-authentication-unpwd-input]]
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== Reading the Username & Password
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Spring Security provides the following built in mechanisms for reading a username and password from the `HttpServletRequest`:
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* xref:servlet/authentication/unpwd/form.adoc#servlet-authentication-form[Form Login]
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* xref:servlet/authentication/unpwd/basic.adoc#servlet-authentication-basic[Basic Authentication]
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* xref:servlet/authentication/unpwd/digest.adoc#servlet-authentication-digest[Digest Authentication]
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[[servlet-authentication-unpwd-storage]]
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== Storage Mechanisms
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Each of the supported mechanisms for reading a username and password can leverage any of the supported storage mechanisms:
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* Simple Storage with xref:servlet/authentication/unpwd/in-memory.adoc#servlet-authentication-inmemory[In-Memory Authentication]
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* Relational Databases with xref:servlet/authentication/unpwd/jdbc.adoc#servlet-authentication-jdbc[JDBC Authentication]
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* Custom data stores with xref:servlet/authentication/unpwd/user-details-service.adoc#servlet-authentication-userdetailsservice[UserDetailsService]
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* LDAP storage with xref:servlet/authentication/unpwd/ldap.adoc#servlet-authentication-ldap[LDAP Authentication]
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