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Pac4j module implementation
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‎TODO‎

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* map exception names to HTTP Status Code (Forbidden => 403, Unauthorized => 401, etc...)
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* review toString on Value API (removal of QueryStringValue?)
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* tests and coverage
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* make reset headers on error configurable
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Jetty close exception:
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MvcTest#mvcDispatch

‎examples/pom.xml‎

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<artifactId>jooby-netty</artifactId>
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<version>${jooby.version}</version>
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</dependency>
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<dependency>
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<groupId>io.jooby</groupId>
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<artifactId>jooby-pac4j</artifactId>
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<version>${jooby.version}</version>
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</dependency>
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<!-- https://mvnrepository.com/artifact/org.pac4j/pac4j-oauth -->
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<dependency>
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<groupId>org.pac4j</groupId>
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<artifactId>pac4j-oauth</artifactId>
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<version>${pac4j.version}</version>
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</dependency>
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<!-- https://mvnrepository.com/artifact/org.pac4j/pac4j-oidc -->
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<dependency>
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<groupId>org.pac4j</groupId>
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<artifactId>pac4j-oidc</artifactId>
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<version>${pac4j.version}</version>
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</dependency>
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<dependency>
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<groupId>io.jooby</groupId>
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<artifactId>jooby-hikari</artifactId>

‎examples/src/main/java/examples/Pac4jApp.java‎

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/**
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* Jooby https://jooby.io
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* Apache License Version 2.0 https://jooby.io/LICENSE.txt
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* Copyright 2014 Edgar Espina
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*/
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package examples;
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import io.jooby.Context;
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import io.jooby.Jooby;
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import io.jooby.ModelAndView;
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import io.jooby.Session;
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import io.jooby.handlebars.HandlebarsModule;
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import io.jooby.pac4j.Pac4jContext;
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import io.jooby.json.JacksonModule;
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import io.jooby.pac4j.Pac4jModule;
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import org.pac4j.core.context.Pac4jConstants;
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import org.pac4j.core.exception.http.WithLocationAction;
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import org.pac4j.http.client.indirect.FormClient;
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import org.pac4j.http.credentials.authenticator.test.SimpleTestUsernamePasswordAuthenticator;
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import org.pac4j.oauth.client.FacebookClient;
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import org.pac4j.oauth.client.TwitterClient;
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import org.pac4j.oidc.client.OidcClient;
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import org.pac4j.oidc.config.OidcConfiguration;
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import java.util.Optional;
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public class Pac4jApp extends Jooby {
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{
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final FacebookClient facebookClient = new FacebookClient("145278422258960",
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"be21409ba8f39b5dae2a7de525484da8");
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TwitterClient twitterClient = new TwitterClient("CoxUiYwQOSFDReZYdjigBA",
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"2kAzunH5Btc4gRSaMr7D7MkyoJ5u1VzbOOzE8rBofs");
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final OidcConfiguration oidcConfiguration = new OidcConfiguration();
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oidcConfiguration
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.setClientId("343992089165-sp0l1km383i8cbm2j5nn20kbk5dk8hor.apps.googleusercontent.com");
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oidcConfiguration.setSecret("uR3D8ej1kIRPbqAFaxIE3HWh");
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oidcConfiguration
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.setDiscoveryURI("https://accounts.google.com/.well-known/openid-configuration");
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oidcConfiguration.setUseNonce(true);
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//oidcClient.setPreferredJwsAlgorithm(JWSAlgorithm.RS256);
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oidcConfiguration.addCustomParam("prompt", "consent");
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final OidcClient oidcClient = new OidcClient(oidcConfiguration);
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decorator(next -> ctx -> {
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try {
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getLog().info("{} {} sid: {} {}", ctx.getMethod(), ctx.getRequestURL(),
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ctx.cookie("jooby.sid").toOptional().orElse(""), requestedUrl(ctx));
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return next.apply(ctx);
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} finally {
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getLog().info(" {} {} {} sid: {} {}", ctx.getMethod(), ctx.getRequestURL(),
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ctx.getResponseCode(),
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Optional.ofNullable(ctx.sessionOrNull()).map(Session::getId).orElse(""), requestedUrl(ctx));
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}
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});
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// setContextPath("/myapp");
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install(new HandlebarsModule());
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get("/login", ctx -> new ModelAndView("login.hbs"));
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install(new Pac4jModule()
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// .client("/google", conf -> oidcClient)
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// .client("/twitter", conf -> twitterClient)
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// .client(conf -> new FormClient("/login", new SimpleTestUsernamePasswordAuthenticator()))
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);
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install(new JacksonModule());
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get("/", ctx -> new ModelAndView("pac4j.hbs").put("user", ctx.getUser()));
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get("/api", ctx -> ctx.getUser());
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get("/api/v1", ctx -> ctx.getUser());
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}
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private Object requestedUrl(Context ctx) {
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Pac4jContext pac4jContext = Pac4jContext.create(ctx);
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return pac4jContext.getSessionStore().get(pac4jContext, Pac4jConstants.REQUESTED_URL).map(it-> {
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if (it instanceof WithLocationAction) {
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return ((WithLocationAction) it).getLocation();
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} else {
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return it.toString();
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}
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}).orElse("null");
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}
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public static void main(String[] args) {
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runApp(args, Pac4jApp::new);
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}
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}

‎examples/src/main/resources/logback.xml‎

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</encoder>
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</appender>
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<logger name="org.pac4j" level="DEBUG" />
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<root level="INFO">
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<appender-ref ref="STDOUT"/>
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</root>

‎examples/src/main/resources/views/login.hbs‎

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<!DOCTYPE html>
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<html>
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<head>
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<title>Login Page</title>
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<script type="text/javascript">
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function submitForm() {
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document.form.submit();
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}
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function onKeyPressEvent(event) {
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var key = event.keyCode || event.which;
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if (key === 13) {
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if (event.preventDefault) {
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event.preventDefault();
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} else {
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event.returnValue = false;
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}
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submitForm('');
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return false;
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}
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}
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</script>
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</head>
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<body onload="document.form.username.focus();">
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<h3>Login</h3>
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<p style="color: red;">
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{{error}}
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</p>
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<label>Login with username and password:</label>
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<form name="form" action="/callback?client_name=FormClient" method="POST">
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<input name="username" onkeypress="onKeyPressEvent(event)" value="{{username}}" />
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<p></p>
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<input type="password" name="password" onkeypress="onKeyPressEvent(event)" />
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<p></p>
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<input type="submit" value="Submit" />
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</form>
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<label>Or login using:</label>
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<ul>
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<li><a href="/google">Google</a></li>
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<li><a href="/twitter">Twitter</a></li>
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</ul>
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</body>
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</html>

‎examples/src/main/resources/views/pac4j.hbs‎

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<!DOCTYPE html>
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<html>
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<head>
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<title>Welcome {{user}}</title>
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</head>
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<body>
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<h3>Welcome</h3>
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<p>{{user.id}} {{user.name}}</p>
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<a href="/logout">Logout</a>
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</body>
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</html>

‎jooby/src/main/java/io/jooby/AssetHandler.java‎

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return null;
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}
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@Override public Route.Handler setRoute(Route route) {
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@Override public void setRoute(Route route) {
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List<String> keys = route.getPathKeys();
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this.filekey = keys.size() == 0 ? route.getPattern().substring(1) : keys.get(0);
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// NOTE: It send an inputstream we don't need a renderer
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route.setReturnType(Context.class);
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return this;
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}
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}

‎jooby/src/main/java/io/jooby/Context.java‎

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*/
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long getRequestLength();
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@Nullable <T> T getUser();
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@Nonnull Context setUser(@Nullable Object user);
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/**
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* Recreates full/entire request url using the <code>Host</code> header.
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*
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* @return Full/entire request url using the <code>Host</code> header.
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*/
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@Nonnull String getRequestURL();
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@Nonnull String getRequestURL(@Nonnull String path);
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/**
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* Recreates full/entire request url using the <code>X-Forwarded-Host</code> when present
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* or fallback to <code>Host</code> header when missing.
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*/
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@Nonnull String getRequestURL(boolean useProxy);
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@Nonnull String getRequestURL(@Nonnull String path, boolean useProxy);
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/**
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* The IP address of the client or last proxy that sent the request.
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*

‎jooby/src/main/java/io/jooby/CorsHandler.java‎

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}
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}
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@Nonnull @Override public Route.Decorator setRoute(@Nonnull Route route) {
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@Nonnull @Override public void setRoute(@Nonnull Route route) {
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route.setHttpOptions(true);
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return this;
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}
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private boolean isPreflight(final Context ctx) {

‎jooby/src/main/java/io/jooby/DefaultContext.java‎

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return getRouter().require(key);
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}
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@Nullable @Override default <T> T getUser() {
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return (T) getAttributes().get("user");
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}
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@Nonnull @Override default Context setUser(@Nullable Object user) {
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getAttributes().put("user", user);
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return this;
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}
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/**
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* Get an attribute by his key. This is just an utility method around {@link #getAttributes()}.
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* This method look first in current context and fallback to application attributes.
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return getRequestURL(false);
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}
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@Override default @Nonnull String getRequestURL(@Nonnull String path) {
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return getRequestURL(path, false);
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}
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@Override default @Nonnull String getRequestURL(boolean useProxy) {
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return getRequestURL("", useProxy);
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}
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@Override default @Nonnull String getRequestURL(@Nonnull String path, boolean useProxy) {
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String scheme, hostAndPort;
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if (useProxy && !header("X-Forwarded-Host").isMissing()) {
206223
scheme = header("X-Forwarded-Proto").value(getScheme());
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if (port.length() > 0 && !port.equals("80") && !port.equals("443")) {
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url.append(":").append(port);
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}
226-
url.append(pathString());
243+
if (path == null || path.length() == 0) {
244+
url.append(pathString());
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} else {
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String contextPath = getContextPath();
247+
if (contextPath.equals("/")) {
248+
url.append(path);
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} else {
250+
if (!path.startsWith(contextPath)) {
251+
url.append(contextPath);
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}
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url.append(path);
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}
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}
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url.append(queryString());
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return url.toString();

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