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mirror of synced 2026-09-12 20:25:06 +00:00

Include code example for servlet onetimetoken

Signed-off-by: Tran Ngoc Nhan <ngocnhan.tran1996@gmail.com>
This commit is contained in:
Tran Ngoc Nhan
2026-06-01 21:13:04 +07:00
committed by Josh Cummings
parent 1a7769be28
commit ff6cef0cd2
30 changed files with 1182 additions and 472 deletions
@@ -53,133 +53,12 @@ Therefore, a custom javadoc:org.springframework.security.web.authentication.ott.
One of the most common delivery strategies is a Magic Link, via e-mail, SMS, etc.
In the following example, we are going to create a magic link and sent it to the user's email.
.One-Time Token Login Configuration
[tabs]
======
Java::
+
[source,java,role="primary"]
----
@Configuration
@EnableWebSecurity
public class SecurityConfig {
@Bean
public SecurityFilterChain filterChain(HttpSecurity http) {
http
// ...
.formLogin(Customizer.withDefaults())
.oneTimeTokenLogin(Customizer.withDefaults());
return http.build();
}
}
import org.springframework.mail.SimpleMailMessage;
import org.springframework.mail.javamail.JavaMailSender;
@Component <1>
public class MagicLinkOneTimeTokenGenerationSuccessHandler implements OneTimeTokenGenerationSuccessHandler {
private final MailSender mailSender;
private final OneTimeTokenGenerationSuccessHandler redirectHandler = new RedirectOneTimeTokenGenerationSuccessHandler("/ott/sent");
// constructor omitted
@Override
public void handle(HttpServletRequest request, HttpServletResponse response, OneTimeToken oneTimeToken) throws IOException, ServletException {
UriComponentsBuilder builder = UriComponentsBuilder.fromUriString(request.getRequestURL().toString())
.replacePath(request.getContextPath())
.replaceQuery(null)
.fragment(null)
.path("/login/ott")
.queryParam("token", oneTimeToken.getTokenValue()); <2>
String magicLink = builder.toUriString();
String email = getUserEmail(oneTimeToken.getUsername()); <3>
this.mailSender.send(email, "Your Spring Security One Time Token", "Use the following link to sign in into the application: " + magicLink); <4>
this.redirectHandler.handle(request, response, oneTimeToken); <5>
}
private String getUserEmail() {
// ...
}
}
@Controller
class PageController {
@GetMapping("/ott/sent")
String ottSent() {
return "my-template";
}
}
----
Kotlin::
+
[source,kotlin,role="secondary"]
----
@Configuration
@EnableWebSecurity
class SecurityConfig {
@Bean
open fun filterChain(http: HttpSecurity): SecurityFilterChain {
http{
formLogin {}
oneTimeTokenLogin { }
}
return http.build()
}
}
import org.springframework.mail.SimpleMailMessage;
import org.springframework.mail.javamail.JavaMailSender;
@Component (1)
class MagicLinkOneTimeTokenGenerationSuccessHandler(
private val mailSender: MailSender,
private val redirectHandler: OneTimeTokenGenerationSuccessHandler = RedirectOneTimeTokenGenerationSuccessHandler("/ott/sent")
) : OneTimeTokenGenerationSuccessHandler {
override fun handle(request: HttpServletRequest, response: HttpServletResponse, oneTimeToken: OneTimeToken) {
val builder = UriComponentsBuilder.fromUriString(request.getRequestURL().toString())
.replacePath(request.contextPath)
.replaceQuery(null)
.fragment(null)
.path("/login/ott")
.queryParam("token", oneTimeToken.getTokenValue()) (2)
val magicLink = builder.toUriString()
val email = getUserEmail(oneTimeToken.getUsername()) (3)
this.mailSender.send(email, "Your Spring Security One Time Token", "Use the following link to sign in into the application: $magicLink")(4)
this.redirectHandler.handle(request, response, oneTimeToken) (5)
}
private fun getUserEmail(): String {
// ...
}
}
@Controller
class PageController {
@GetMapping("/ott/sent")
fun ottSent(): String {
return "my-template"
}
}
----
======
include-code::./SecurityConfig[tag=config,indent=0]
include-code::./MagicLinkOneTimeTokenGenerationSuccessHandler[tag=snippet,indent=0]
<1> Make the `MagicLinkOneTimeTokenGenerationSuccessHandler` a Spring bean
<2> Create a login processing URL with the `token` as a query param
<3> Retrieve the user's email based on the username
<4> Use the `JavaMailSender` API to send the email to the user with the magic link
<4> Use the `MailSender` API to send the email to the user with the magic link
<5> Use the `RedirectOneTimeTokenGenerationSuccessHandler` to perform a redirect to your desired URL
The email content will look similar to:
@@ -192,70 +71,15 @@ The default submit page will detect that the URL has the `token` query param and
== Changing the One-Time Token Generate URL
By default, the javadoc:org.springframework.security.web.authentication.ott.GenerateOneTimeTokenFilter[] listens to `POST /ott/generate` requests.
That URL can be changed by using the `generateTokenUrl(String)` DSL method:
That URL can be changed by using the `tokenGeneratingUrl(String)` DSL method:
.Changing the Generate URL
[tabs]
======
Java::
+
[source,java,role="primary"]
----
@Configuration
@EnableWebSecurity
public class SecurityConfig {
@Bean
public SecurityFilterChain filterChain(HttpSecurity http) {
http
// ...
.formLogin(Customizer.withDefaults())
.oneTimeTokenLogin((ott) -> ott
.tokenGeneratingUrl("/ott/my-generate-url")
);
return http.build();
}
}
@Component
public class MagicLinkOneTimeTokenGenerationSuccessHandler implements OneTimeTokenGenerationSuccessHandler {
// ...
}
----
Kotlin::
+
[source,kotlin,role="secondary"]
----
@Configuration
@EnableWebSecurity
class SecurityConfig {
@Bean
open fun filterChain(http: HttpSecurity): SecurityFilterChain {
http {
//...
formLogin { }
oneTimeTokenLogin {
tokenGeneratingUrl = "/ott/my-generate-url"
}
}
return http.build()
}
}
@Component
class MagicLinkOneTimeTokenGenerationSuccessHandler : OneTimeTokenGenerationSuccessHandler {
// ...
}
----
======
include-code::./SecurityConfig[tag=config,indent=0]
include-code::./MagicLinkOneTimeTokenGenerationSuccessHandler[tag=snippet,indent=0]
[NOTE]
====
The URI passed to `generateTokenUrl` is matched literally.
If you want it to live under your application servlet's base path, include that prefix explicitly — for example, `generateTokenUrl("/api/ott/generate")`.
The URI passed to `tokenGeneratingUrl` is matched literally.
If you want it to live under your application servlet's base path, include that prefix explicitly — for example, `tokenGeneratingUrl("/api/ott/generate")`.
The same applies to `loginProcessingUrl` and `tokenGeneratingUrl` elsewhere on this page.
====
@@ -265,151 +89,17 @@ The same applies to `loginProcessingUrl` and `tokenGeneratingUrl` elsewhere on t
The default One-Time Token submit page is generated by the javadoc:org.springframework.security.web.authentication.ui.DefaultOneTimeTokenSubmitPageGeneratingFilter[] and listens to `GET /login/ott`.
The URL can also be changed, like so:
.Configuring the Default Submit Page URL
[tabs]
======
Java::
+
[source,java,role="primary"]
----
@Configuration
@EnableWebSecurity
public class SecurityConfig {
@Bean
public SecurityFilterChain filterChain(HttpSecurity http) {
http
// ...
.formLogin(Customizer.withDefaults())
.oneTimeTokenLogin((ott) -> ott
.defaultSubmitPageUrl("/ott/submit")
);
return http.build();
}
}
@Component
public class MagicLinkGenerationSuccessHandler implements OneTimeTokenGenerationSuccessHandler {
// ...
}
----
Kotlin::
+
[source,kotlin,role="secondary"]
----
@Configuration
@EnableWebSecurity
class SecurityConfig {
@Bean
open fun filterChain(http: HttpSecurity): SecurityFilterChain {
http {
//...
formLogin { }
oneTimeTokenLogin {
defaultSubmitPageUrl = "/ott/submit"
}
}
return http.build()
}
}
@Component
class MagicLinkOneTimeTokenGenerationSuccessHandler : OneTimeTokenGenerationSuccessHandler {
// ...
}
----
======
include-code::./SecurityConfig[tag=config,indent=0]
include-code::./MagicLinkOneTimeTokenGenerationSuccessHandler[tag=snippet,indent=0]
[[disabling-default-submit-page]]
== Disabling the Default Submit Page
If you want to use your own One-Time Token submit page, you can disable the default page and then provide your own endpoint.
.Disabling the Default Submit Page
[tabs]
======
Java::
+
[source,java,role="primary"]
----
@Configuration
@EnableWebSecurity
public class SecurityConfig {
@Bean
public SecurityFilterChain filterChain(HttpSecurity http) {
http
.authorizeHttpRequests((authorize) -> authorize
.requestMatchers("/my-ott-submit").permitAll()
.anyRequest().authenticated()
)
.formLogin(Customizer.withDefaults())
.oneTimeTokenLogin((ott) -> ott
.showDefaultSubmitPage(false)
);
return http.build();
}
}
@Controller
public class MyController {
@GetMapping("/my-ott-submit")
public String ottSubmitPage() {
return "my-ott-submit";
}
}
@Component
public class OneTimeTokenGenerationSuccessHandler implements OneTimeTokenGenerationSuccessHandler {
// ...
}
----
Kotlin::
+
[source,kotlin,role="secondary"]
----
@Configuration
@EnableWebSecurity
class SecurityConfig {
@Bean
open fun filterChain(http: HttpSecurity): SecurityFilterChain {
http {
authorizeHttpRequests {
authorize("/my-ott-submit", authenticated)
authorize(anyRequest, authenticated)
}
formLogin { }
oneTimeTokenLogin {
showDefaultSubmitPage = false
}
}
return http.build()
}
}
@Controller
class MyController {
@GetMapping("/my-ott-submit")
fun ottSubmitPage(): String {
return "my-ott-submit"
}
}
@Component
class MagicLinkOneTimeTokenGenerationSuccessHandler : OneTimeTokenGenerationSuccessHandler {
// ...
}
----
======
include-code::./SecurityConfig[tag=config,indent=0]
include-code::./MagicLinkOneTimeTokenGenerationSuccessHandler[tag=snippet,indent=0]
include-code::./MyController[tag=snippet,indent=0]
[[customize-generate-consume-token]]
== Customize How to Generate and Consume One-Time Tokens
@@ -428,161 +118,18 @@ Some of the most common reasons to customize the `OneTimeTokenService` are, but
There are two options to customize the `OneTimeTokenService`.
One option is to provide it as a bean, so it can be automatically be picked-up by the `oneTimeTokenLogin()` DSL:
.Passing the OneTimeTokenService as a Bean
[tabs]
======
Java::
+
[source,java,role="primary"]
----
@Configuration
@EnableWebSecurity
public class SecurityConfig {
@Bean
public SecurityFilterChain filterChain(HttpSecurity http) {
http
// ...
.formLogin(Customizer.withDefaults())
.oneTimeTokenLogin(Customizer.withDefaults());
return http.build();
}
@Bean
public OneTimeTokenService oneTimeTokenService() {
return new MyCustomOneTimeTokenService();
}
}
@Component
public class MagicLinkOneTimeTokenGenerationSuccessHandler implements OneTimeTokenGenerationSuccessHandler {
// ...
}
----
Kotlin::
+
[source,kotlin,role="secondary"]
----
@Configuration
@EnableWebSecurity
class SecurityConfig {
@Bean
open fun filterChain(http: HttpSecurity): SecurityFilterChain {
http {
//...
formLogin { }
oneTimeTokenLogin { }
}
return http.build()
}
@Bean
open fun oneTimeTokenService(): OneTimeTokenService {
return MyCustomOneTimeTokenService()
}
}
@Component
class MagicLinkOneTimeTokenGenerationSuccessHandler : OneTimeTokenGenerationSuccessHandler {
// ...
}
----
======
include-code::./OneTimeTokenServiceBeanSecurityConfig[tag=config,indent=0]
include-code::./MagicLinkOneTimeTokenGenerationSuccessHandler[tag=snippet,indent=0]
The second option is to pass the `OneTimeTokenService` instance to the DSL, which is useful if there are multiple `SecurityFilterChain` and a different `OneTimeTokenService` is needed for each of them.
.Passing the OneTimeTokenService using the DSL
[tabs]
======
Java::
+
[source,java,role="primary"]
----
@Configuration
@EnableWebSecurity
public class SecurityConfig {
@Bean
public SecurityFilterChain filterChain(HttpSecurity http) {
http
// ...
.formLogin(Customizer.withDefaults())
.oneTimeTokenLogin((ott) -> ott
.oneTimeTokenService(new MyCustomOneTimeTokenService())
);
return http.build();
}
}
@Component
public class MagicLinkOneTimeTokenGenerationSuccessHandler implements OneTimeTokenGenerationSuccessHandler {
// ...
}
----
Kotlin::
+
[source,kotlin,role="secondary"]
----
@Configuration
@EnableWebSecurity
class SecurityConfig {
@Bean
open fun filterChain(http: HttpSecurity): SecurityFilterChain {
http {
//...
formLogin { }
oneTimeTokenLogin {
oneTimeTokenService = MyCustomOneTimeTokenService()
}
}
return http.build()
}
}
@Component
class MagicLinkOneTimeTokenGenerationSuccessHandler : OneTimeTokenGenerationSuccessHandler {
// ...
}
----
======
include-code::./OneTimeTokenServiceDSLSecurityConfig[tag=config,indent=0]
include-code::./MagicLinkOneTimeTokenGenerationSuccessHandler[tag=snippet,indent=0]
[[customize-generate-token-request]]
== Customize GenerateOneTimeTokenRequest Instance
There are a number of reasons that you may want to adjust an GenerateOneTimeTokenRequest. For example, you may want expiresIn to be set to 10 mins, which Spring Security sets to 5 mins by default.
You can customize elements of GenerateOneTimeTokenRequest by publishing an GenerateOneTimeTokenRequestResolver as a @Bean, like so:
[tabs]
======
Java::
+
[source,java,role="primary"]
----
@Bean
GenerateOneTimeTokenRequestResolver generateOneTimeTokenRequestResolver() {
DefaultGenerateOneTimeTokenRequestResolver delegate = new DefaultGenerateOneTimeTokenRequestResolver();
return (request) -> {
GenerateOneTimeTokenRequest generate = delegate.resolve(request);
return new GenerateOneTimeTokenRequest(generate.getUsername(), Duration.ofSeconds(600));
};
}
----
You can customize elements of GenerateOneTimeTokenRequest by publishing an GenerateOneTimeTokenRequestResolver as a `@Bean`, like so:
Kotlin::
+
[source,kotlin,role="secondary"]
----
@Bean
fun generateRequestResolver() : GenerateOneTimeTokenRequestResolver {
return DefaultGenerateOneTimeTokenRequestResolver().apply {
this.setExpiresIn(Duration.ofMinutes(10))
}
}
----
======
include-code::./SecurityConfig[tag=config,indent=0]