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Render default UIs using lightweight templates

Daniel Garnier-Moiroux 1 年之前
父節點
a953a3d162
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8d47906191
共有 9 個文件被更改，包括 1258 次插入 和 518 次删除
分割檢視 顯示文件統計
  1. 240 214
      config/src/test/java/org/springframework/security/config/annotation/web/configurers/DefaultLoginPageConfigurerTests.java
  2. 186 180
      config/src/test/java/org/springframework/security/config/http/FormLoginBeanDefinitionParserTests.java
  3. 187 93
      web/src/main/java/org/springframework/security/web/authentication/ui/DefaultLoginPageGeneratingFilter.java
  4. 37 28
      web/src/main/java/org/springframework/security/web/authentication/ui/DefaultLogoutPageGeneratingFilter.java
  5. 107 0
      web/src/main/java/org/springframework/security/web/authentication/ui/HtmlTemplates.java
  6. 194 3
      web/src/test/java/org/springframework/security/web/authentication/DefaultLoginPageGeneratingFilterTests.java
  7. 152 0
      web/src/test/java/org/springframework/security/web/authentication/ui/DefaultLogoutPageGeneratingFilterTests.java
  8. 147 0
      web/src/test/java/org/springframework/security/web/authentication/ui/HtmlTemplatesTests.java
  9. 8 0
      web/src/test/java/org/springframework/security/web/server/ui/LogoutPageGeneratingWebFilterTests.java

+ 240 - 214
config/src/test/java/org/springframework/security/config/annotation/web/configurers/DefaultLoginPageConfigurerTests.java
查看文件 

@@ -67,140 +67,142 @@ import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.
 
 @ExtendWith(SpringTestContextExtension.class)
 
 public class DefaultLoginPageConfigurerTests {
 
 
-	//@formatter:off
 
-	public static final String EXPECTED_HTML_HEAD = "  <head>\n"
 
-			+ "    <meta charset=\"utf-8\">\n"
 
-			+ "    <meta name=\"viewport\" content=\"width=device-width, initial-scale=1, shrink-to-fit=no\">\n"
 
-			+ "    <meta name=\"description\" content=\"\">\n"
 
-			+ "    <meta name=\"author\" content=\"\">\n"
 
-			+ "    <title>Please sign in</title>\n"
 
-			+ "    <style>\n"
 
-			+ "    /* General layout */\n"
 
-			+ "    body {\n"
 
-			+ "      font-family: system-ui, \"Segoe UI\", Roboto, \"Helvetica Neue\", Arial, sans-serif;\n"
 
-			+ "      background-color: #eee;\n"
 
-			+ "      padding: 40px 0;\n"
 
-			+ "      margin: 0;\n"
 
-			+ "      line-height: 1.5;\n"
 
-			+ "    }\n"
 
-			+ "    \n"
 
-			+ "    h2 {\n"
 
-			+ "      margin-top: 0;\n"
 
-			+ "      margin-bottom: 0.5rem;\n"
 
-			+ "      font-size: 2rem;\n"
 
-			+ "      font-weight: 500;\n"
 
-			+ "      line-height: 2rem;\n"
 
-			+ "    }\n"
 
-			+ "    \n"
 
-			+ "    .content {\n"
 
-			+ "      margin-right: auto;\n"
 
-			+ "      margin-left: auto;\n"
 
-			+ "      padding-right: 15px;\n"
 
-			+ "      padding-left: 15px;\n"
 
-			+ "      width: 100%;\n"
 
-			+ "      box-sizing: border-box;\n"
 
-			+ "    }\n"
 
-			+ "    \n"
 
-			+ "    @media (min-width: 800px) {\n"
 
-			+ "      .content {\n"
 
-			+ "        max-width: 760px;\n"
 
-			+ "      }\n"
 
-			+ "    }\n"
 
-			+ "    \n"
 
-			+ "    /* Components */\n"
 
-			+ "    a,\n"
 
-			+ "    a:visited {\n"
 
-			+ "      text-decoration: none;\n"
 
-			+ "      color: #06f;\n"
 
-			+ "    }\n"
 
-			+ "    \n"
 
-			+ "    a:hover {\n"
 
-			+ "      text-decoration: underline;\n"
 
-			+ "      color: #003c97;\n"
 
-			+ "    }\n"
 
-			+ "    \n"
 
-			+ "    input[type=\"text\"],\n"
 
-			+ "    input[type=\"password\"] {\n"
 
-			+ "      height: auto;\n"
 
-			+ "      width: 100%;\n"
 
-			+ "      font-size: 1rem;\n"
 
-			+ "      padding: 0.5rem;\n"
 
-			+ "      box-sizing: border-box;\n"
 
-			+ "    }\n"
 
-			+ "    \n"
 
-			+ "    button {\n"
 
-			+ "      padding: 0.5rem 1rem;\n"
 
-			+ "      font-size: 1.25rem;\n"
 
-			+ "      line-height: 1.5;\n"
 
-			+ "      border: none;\n"
 
-			+ "      border-radius: 0.1rem;\n"
 
-			+ "      width: 100%;\n"
 
-			+ "    }\n"
 
-			+ "    \n"
 
-			+ "    button.primary {\n"
 
-			+ "      color: #fff;\n"
 
-			+ "      background-color: #06f;\n"
 
-			+ "    }\n"
 
-			+ "    \n"
 
-			+ "    .alert {\n"
 
-			+ "      padding: 0.75rem 1rem;\n"
 
-			+ "      margin-bottom: 1rem;\n"
 
-			+ "      line-height: 1.5;\n"
 
-			+ "      border-radius: 0.1rem;\n"
 
-			+ "      width: 100%;\n"
 
-			+ "      box-sizing: border-box;\n"
 
-			+ "      border-width: 1px;\n"
 
-			+ "      border-style: solid;\n"
 
-			+ "    }\n"
 
-			+ "    \n"
 
-			+ "    .alert.alert-danger {\n"
 
-			+ "      color: #6b1922;\n"
 
-			+ "      background-color: #f7d5d7;\n"
 
-			+ "      border-color: #eab6bb;\n"
 
-			+ "    }\n"
 
-			+ "    \n"
 
-			+ "    .alert.alert-success {\n"
 
-			+ "      color: #145222;\n"
 
-			+ "      background-color: #d1f0d9;\n"
 
-			+ "      border-color: #c2ebcb;\n"
 
-			+ "    }\n"
 
-			+ "    \n"
 
-			+ "    .screenreader {\n"
 
-			+ "      position: absolute;\n"
 
-			+ "      clip: rect(0 0 0 0);\n"
 
-			+ "      height: 1px;\n"
 
-			+ "      width: 1px;\n"
 
-			+ "      padding: 0;\n"
 
-			+ "      border: 0;\n"
 
-			+ "      overflow: hidden;\n"
 
-			+ "    }\n"
 
-			+ "    \n"
 
-			+ "    table {\n"
 
-			+ "      width: 100%;\n"
 
-			+ "      max-width: 100%;\n"
 
-			+ "      margin-bottom: 2rem;\n"
 
-			+ "    }\n"
 
-			+ "    \n"
 
-			+ "    .table-striped tr:nth-of-type(2n + 1) {\n"
 
-			+ "      background-color: #e1e1e1;\n"
 
-			+ "    }\n"
 
-			+ "    \n"
 
-			+ "    td {\n"
 
-			+ "      padding: 0.75rem;\n"
 
-			+ "      vertical-align: top;\n"
 
-			+ "    }\n"
 
-			+ "    \n"
 
-			+ "    /* Login / logout layouts */\n"
 
-			+ "    .login-form,\n"
 
-			+ "    .logout-form {\n"
 
-			+ "      max-width: 340px;\n"
 
-			+ "      padding: 0 15px 15px 15px;\n"
 
-			+ "      margin: 0 auto 2rem auto;\n"
 
-			+ "      box-sizing: border-box;\n"
 
-			+ "    }\n"
 
-			+ "    </style>\n"
 
-			+ "  </head>\n";
 
-	//@formatter:on
 
+	public static final String EXPECTED_HTML_HEAD = """
 
+			<!DOCTYPE html>
 
+			<html lang="en">
 
+			  <head>
 
+			    <meta charset="utf-8">
 
+			    <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
 
+			    <meta name="description" content="">
 
+			    <meta name="author" content="">
 
+			    <title>Please sign in</title>
 
+			    <style>
 
+			    /* General layout */
 
+			    body {
 
+			      font-family: system-ui, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
 
+			      background-color: #eee;
 
+			      padding: 40px 0;
 
+			      margin: 0;
 
+			      line-height: 1.5;
 
+			    }
 
+			\s\s\s\s
 
+			    h2 {
 
+			      margin-top: 0;
 
+			      margin-bottom: 0.5rem;
 
+			      font-size: 2rem;
 
+			      font-weight: 500;
 
+			      line-height: 2rem;
 
+			    }
 
+			\s\s\s\s
 
+			    .content {
 
+			      margin-right: auto;
 
+			      margin-left: auto;
 
+			      padding-right: 15px;
 
+			      padding-left: 15px;
 
+			      width: 100%;
 
+			      box-sizing: border-box;
 
+			    }
 
+			\s\s\s\s
 
+			    @media (min-width: 800px) {
 
+			      .content {
 
+			        max-width: 760px;
 
+			      }
 
+			    }
 
+			\s\s\s\s
 
+			    /* Components */
 
+			    a,
 
+			    a:visited {
 
+			      text-decoration: none;
 
+			      color: #06f;
 
+			    }
 
+			\s\s\s\s
 
+			    a:hover {
 
+			      text-decoration: underline;
 
+			      color: #003c97;
 
+			    }
 
+			\s\s\s\s
 
+			    input[type="text"],
 
+			    input[type="password"] {
 
+			      height: auto;
 
+			      width: 100%;
 
+			      font-size: 1rem;
 
+			      padding: 0.5rem;
 
+			      box-sizing: border-box;
 
+			    }
 
+			\s\s\s\s
 
+			    button {
 
+			      padding: 0.5rem 1rem;
 
+			      font-size: 1.25rem;
 
+			      line-height: 1.5;
 
+			      border: none;
 
+			      border-radius: 0.1rem;
 
+			      width: 100%;
 
+			    }
 
+			\s\s\s\s
 
+			    button.primary {
 
+			      color: #fff;
 
+			      background-color: #06f;
 
+			    }
 
+			\s\s\s\s
 
+			    .alert {
 
+			      padding: 0.75rem 1rem;
 
+			      margin-bottom: 1rem;
 
+			      line-height: 1.5;
 
+			      border-radius: 0.1rem;
 
+			      width: 100%;
 
+			      box-sizing: border-box;
 
+			      border-width: 1px;
 
+			      border-style: solid;
 
+			    }
 
+			\s\s\s\s
 
+			    .alert.alert-danger {
 
+			      color: #6b1922;
 
+			      background-color: #f7d5d7;
 
+			      border-color: #eab6bb;
 
+			    }
 
+			\s\s\s\s
 
+			    .alert.alert-success {
 
+			      color: #145222;
 
+			      background-color: #d1f0d9;
 
+			      border-color: #c2ebcb;
 
+			    }
 
+			\s\s\s\s
 
+			    .screenreader {
 
+			      position: absolute;
 
+			      clip: rect(0 0 0 0);
 
+			      height: 1px;
 
+			      width: 1px;
 
+			      padding: 0;
 
+			      border: 0;
 
+			      overflow: hidden;
 
+			    }
 
+			\s\s\s\s
 
+			    table {
 
+			      width: 100%;
 
+			      max-width: 100%;
 
+			      margin-bottom: 2rem;
 
+			    }
 
+			\s\s\s\s
 
+			    .table-striped tr:nth-of-type(2n + 1) {
 
+			      background-color: #e1e1e1;
 
+			    }
 
+			\s\s\s\s
 
+			    td {
 
+			      padding: 0.75rem;
 
+			      vertical-align: top;
 
+			    }
 
+			\s\s\s\s
 
+			    /* Login / logout layouts */
 
+			    .login-form,
 
+			    .logout-form {
 
+			      max-width: 340px;
 
+			      padding: 0 15px 15px 15px;
 
+			      margin: 0 auto 2rem auto;
 
+			      box-sizing: border-box;
 
+			    }
 
+			    </style>
 
+			  </head>
 
+			""";
 
 
 	public final SpringTestContext spring = new SpringTestContext(this);
 
 
@@ -222,26 +224,32 @@ public class DefaultLoginPageConfigurerTests {
 
 		this.mvc.perform(get("/login").sessionAttr(csrfAttributeName, csrfToken))
 
 				.andExpect((result) -> {
 
 					CsrfToken token = (CsrfToken) result.getRequest().getAttribute(CsrfToken.class.getName());
 
-					assertThat(result.getResponse().getContentAsString()).isEqualTo("<!DOCTYPE html>\n"
 
-						+ "<html lang=\"en\">\n"
 
-						+ EXPECTED_HTML_HEAD
 
-						+ "  <body>\n"
 
-						+ "     <div class=\"content\">\n"
 
-						+ "      <form class=\"login-form\" method=\"post\" action=\"/login\">\n"
 
-						+ "        <h2>Please sign in</h2>\n"
 
-						+ "        <p>\n"
 
-						+ "          <label for=\"username\" class=\"screenreader\">Username</label>\n"
 
-						+ "          <input type=\"text\" id=\"username\" name=\"username\" placeholder=\"Username\" required autofocus>\n"
 
-						+ "        </p>\n"
 
-						+ "        <p>\n"
 
-						+ "          <label for=\"password\" class=\"screenreader\">Password</label>\n"
 
-						+ "          <input type=\"password\" id=\"password\" name=\"password\" placeholder=\"Password\" required>\n"
 
-						+ "        </p>\n"
 
-						+ "<input name=\"" + token.getParameterName() + "\" type=\"hidden\" value=\"" + token.getToken() + "\" />\n"
 
-						+ "        <button type=\"submit\" class=\"primary\">Sign in</button>\n"
 
-						+ "      </form>\n"
 
-						+ "</div>\n"
 
-						+ "</body></html>");
 
+					assertThat(result.getResponse().getContentAsString()).isEqualTo(
 
+						EXPECTED_HTML_HEAD +
 
+						"""
 
+						  <body>
 
+						    <div class="content">
 
+						      <form class="login-form" method="post" action="/login">
 
+						        <h2>Please sign in</h2>
 
+						       \s
 
+						        <p>
 
+						          <label for="username" class="screenreader">Username</label>
 
+						          <input type="text" id="username" name="username" placeholder="Username" required autofocus>
 
+						        </p>
 
+						        <p>
 
+						          <label for="password" class="screenreader">Password</label>
 
+						          <input type="password" id="password" name="password" placeholder="Password" required>
 
+						        </p>
 
+
 
+						<input name="_csrf" type="hidden" value="%s" />
 
+						        <button type="submit" class="primary">Sign in</button>
 
+						      </form>
 
+
 
+
 
+
 
+						    </div>
 
+						  </body>
 
+						</html>""".formatted(token.getToken()));
 
 				});
 
 		// @formatter:on
 
 	}
 
@@ -263,25 +271,32 @@ public class DefaultLoginPageConfigurerTests {
 
 				.sessionAttr(csrfAttributeName, csrfToken))
 
 				.andExpect((result) -> {
 
 					CsrfToken token = (CsrfToken) result.getRequest().getAttribute(CsrfToken.class.getName());
 
-					assertThat(result.getResponse().getContentAsString()).isEqualTo("<!DOCTYPE html>\n"
 
-						+ "<html lang=\"en\">\n"
 
-						+ EXPECTED_HTML_HEAD
 
-						+ "  <body>\n"
 
-						+ "     <div class=\"content\">\n"
 
-						+ "      <form class=\"login-form\" method=\"post\" action=\"/login\">\n"
 
-						+ "        <h2>Please sign in</h2>\n"
 
-						+ "<div class=\"alert alert-danger\" role=\"alert\">Bad credentials</div>        <p>\n"
 
-						+ "          <label for=\"username\" class=\"screenreader\">Username</label>\n"
 
-						+ "          <input type=\"text\" id=\"username\" name=\"username\" placeholder=\"Username\" required autofocus>\n"
 
-						+ "        </p>\n" + "        <p>\n"
 
-						+ "          <label for=\"password\" class=\"screenreader\">Password</label>\n"
 
-						+ "          <input type=\"password\" id=\"password\" name=\"password\" placeholder=\"Password\" required>\n"
 
-						+ "        </p>\n"
 
-						+ "<input name=\"" + token.getParameterName() + "\" type=\"hidden\" value=\"" + token.getToken() + "\" />\n"
 
-						+ "        <button type=\"submit\" class=\"primary\">Sign in</button>\n"
 
-						+ "      </form>\n"
 
-						+ "</div>\n"
 
-						+ "</body></html>");
 
+					assertThat(result.getResponse().getContentAsString()).isEqualTo(
 
+						EXPECTED_HTML_HEAD +
 
+						"""
 
+						  <body>
 
+						    <div class="content">
 
+						      <form class="login-form" method="post" action="/login">
 
+						        <h2>Please sign in</h2>
 
+						        <div class="alert alert-danger" role="alert">Bad credentials</div>
 
+						        <p>
 
+						          <label for="username" class="screenreader">Username</label>
 
+						          <input type="text" id="username" name="username" placeholder="Username" required autofocus>
 
+						        </p>
 
+						        <p>
 
+						          <label for="password" class="screenreader">Password</label>
 
+						          <input type="password" id="password" name="password" placeholder="Password" required>
 
+						        </p>
 
+
 
+						<input name="_csrf" type="hidden" value="%s" />
 
+						        <button type="submit" class="primary">Sign in</button>
 
+						      </form>
 
+
 
+
 
+
 
+						    </div>
 
+						  </body>
 
+						</html>""".formatted(token.getToken()));
 
 				});
 
 		// @formatter:on
 
 	}
 
@@ -307,26 +322,32 @@ public class DefaultLoginPageConfigurerTests {
 
 		this.mvc.perform(get("/login?logout").sessionAttr(csrfAttributeName, csrfToken))
 
 				.andExpect((result) -> {
 
 					CsrfToken token = (CsrfToken) result.getRequest().getAttribute(CsrfToken.class.getName());
 
-					assertThat(result.getResponse().getContentAsString()).isEqualTo("<!DOCTYPE html>\n"
 
-						+ "<html lang=\"en\">\n"
 
-						+ EXPECTED_HTML_HEAD
 
-						+ "  <body>\n"
 
-						+ "     <div class=\"content\">\n"
 
-						+ "      <form class=\"login-form\" method=\"post\" action=\"/login\">\n"
 
-						+ "        <h2>Please sign in</h2>\n"
 
-						+ "<div class=\"alert alert-success\" role=\"alert\">You have been signed out</div>        <p>\n"
 
-						+ "          <label for=\"username\" class=\"screenreader\">Username</label>\n"
 
-						+ "          <input type=\"text\" id=\"username\" name=\"username\" placeholder=\"Username\" required autofocus>\n"
 
-						+ "        </p>\n"
 
-						+ "        <p>\n"
 
-						+ "          <label for=\"password\" class=\"screenreader\">Password</label>\n"
 
-						+ "          <input type=\"password\" id=\"password\" name=\"password\" placeholder=\"Password\" required>\n"
 
-						+ "        </p>\n"
 
-						+ "<input name=\"" + token.getParameterName() + "\" type=\"hidden\" value=\"" + token.getToken() + "\" />\n"
 
-						+ "        <button type=\"submit\" class=\"primary\">Sign in</button>\n"
 
-						+ "      </form>\n"
 
-						+ "</div>\n"
 
-						+ "</body></html>");
 
+					assertThat(result.getResponse().getContentAsString()).isEqualTo(
 
+						EXPECTED_HTML_HEAD +
 
+						"""
 
+						  <body>
 
+						    <div class="content">
 
+						      <form class="login-form" method="post" action="/login">
 
+						        <h2>Please sign in</h2>
 
+						        <div class="alert alert-success" role="alert">You have been signed out</div>
 
+						        <p>
 
+						          <label for="username" class="screenreader">Username</label>
 
+						          <input type="text" id="username" name="username" placeholder="Username" required autofocus>
 
+						        </p>
 
+						        <p>
 
+						          <label for="password" class="screenreader">Password</label>
 
+						          <input type="password" id="password" name="password" placeholder="Password" required>
 
+						        </p>
 
+
 
+						<input name="_csrf" type="hidden" value="%s" />
 
+						        <button type="submit" class="primary">Sign in</button>
 
+						      </form>
 
+
 
+
 
+
 
+						    </div>
 
+						  </body>
 
+						</html>""".formatted(token.getToken()));
 
 				});
 
 		// @formatter:on
 
 	}
 
@@ -352,27 +373,32 @@ public class DefaultLoginPageConfigurerTests {
 
 		this.mvc.perform(get("/login").sessionAttr(csrfAttributeName, csrfToken))
 
 				.andExpect((result) -> {
 
 					CsrfToken token = (CsrfToken) result.getRequest().getAttribute(CsrfToken.class.getName());
 
-					assertThat(result.getResponse().getContentAsString()).isEqualTo("<!DOCTYPE html>\n"
 
-						+ "<html lang=\"en\">\n"
 
-						+ EXPECTED_HTML_HEAD
 
-						+ "  <body>\n"
 
-						+ "     <div class=\"content\">\n"
 
-						+ "      <form class=\"login-form\" method=\"post\" action=\"/login\">\n"
 
-						+ "        <h2>Please sign in</h2>\n"
 
-						+ "        <p>\n"
 
-						+ "          <label for=\"username\" class=\"screenreader\">Username</label>\n"
 
-						+ "          <input type=\"text\" id=\"username\" name=\"username\" placeholder=\"Username\" required autofocus>\n"
 
-						+ "        </p>\n"
 
-						+ "        <p>\n"
 
-						+ "          <label for=\"password\" class=\"screenreader\">Password</label>\n"
 
-						+ "          <input type=\"password\" id=\"password\" name=\"password\" placeholder=\"Password\" required>\n"
 
-						+ "        </p>\n"
 
-						+ "<p><input type='checkbox' name='remember-me'/> Remember me on this computer.</p>\n"
 
-						+ "<input name=\"" + token.getParameterName() + "\" type=\"hidden\" value=\"" + token.getToken() + "\" />\n"
 
-						+ "        <button type=\"submit\" class=\"primary\">Sign in</button>\n"
 
-						+ "      </form>\n"
 
-						+ "</div>\n"
 
-						+ "</body></html>");
 
+					assertThat(result.getResponse().getContentAsString()).isEqualTo(
 
+						EXPECTED_HTML_HEAD +
 
+						"""
 
+						  <body>
 
+						    <div class="content">
 
+						      <form class="login-form" method="post" action="/login">
 
+						        <h2>Please sign in</h2>
 
+						       \s
 
+						        <p>
 
+						          <label for="username" class="screenreader">Username</label>
 
+						          <input type="text" id="username" name="username" placeholder="Username" required autofocus>
 
+						        </p>
 
+						        <p>
 
+						          <label for="password" class="screenreader">Password</label>
 
+						          <input type="password" id="password" name="password" placeholder="Password" required>
 
+						        </p>
 
+						<p><input type='checkbox' name='remember-me'/> Remember me on this computer.</p>
 
+						<input name="_csrf" type="hidden" value="%s" />
 
+						        <button type="submit" class="primary">Sign in</button>
 
+						      </form>
 
+
 
+
 
+
 
+						    </div>
 
+						  </body>
 
+						</html>""".formatted(token.getToken()));
 
 				});
 
 		// @formatter:on
 
 	}

+ 186 - 180
config/src/test/java/org/springframework/security/config/http/FormLoginBeanDefinitionParserTests.java
查看文件 

@@ -45,140 +45,142 @@ public class FormLoginBeanDefinitionParserTests {
 
 
 	private static final String CONFIG_LOCATION_PREFIX = "classpath:org/springframework/security/config/http/FormLoginBeanDefinitionParserTests";
 
 
-	//@formatter:off
 
-	public static final String EXPECTED_HTML_HEAD = "  <head>\n"
 
-			+ "    <meta charset=\"utf-8\">\n"
 
-			+ "    <meta name=\"viewport\" content=\"width=device-width, initial-scale=1, shrink-to-fit=no\">\n"
 
-			+ "    <meta name=\"description\" content=\"\">\n"
 
-			+ "    <meta name=\"author\" content=\"\">\n"
 
-			+ "    <title>Please sign in</title>\n"
 
-			+ "    <style>\n"
 
-			+ "    /* General layout */\n"
 
-			+ "    body {\n"
 
-			+ "      font-family: system-ui, \"Segoe UI\", Roboto, \"Helvetica Neue\", Arial, sans-serif;\n"
 
-			+ "      background-color: #eee;\n"
 
-			+ "      padding: 40px 0;\n"
 
-			+ "      margin: 0;\n"
 
-			+ "      line-height: 1.5;\n"
 
-			+ "    }\n"
 
-			+ "    \n"
 
-			+ "    h2 {\n"
 
-			+ "      margin-top: 0;\n"
 
-			+ "      margin-bottom: 0.5rem;\n"
 
-			+ "      font-size: 2rem;\n"
 
-			+ "      font-weight: 500;\n"
 
-			+ "      line-height: 2rem;\n"
 
-			+ "    }\n"
 
-			+ "    \n"
 
-			+ "    .content {\n"
 
-			+ "      margin-right: auto;\n"
 
-			+ "      margin-left: auto;\n"
 
-			+ "      padding-right: 15px;\n"
 
-			+ "      padding-left: 15px;\n"
 
-			+ "      width: 100%;\n"
 
-			+ "      box-sizing: border-box;\n"
 
-			+ "    }\n"
 
-			+ "    \n"
 
-			+ "    @media (min-width: 800px) {\n"
 
-			+ "      .content {\n"
 
-			+ "        max-width: 760px;\n"
 
-			+ "      }\n"
 
-			+ "    }\n"
 
-			+ "    \n"
 
-			+ "    /* Components */\n"
 
-			+ "    a,\n"
 
-			+ "    a:visited {\n"
 
-			+ "      text-decoration: none;\n"
 
-			+ "      color: #06f;\n"
 
-			+ "    }\n"
 
-			+ "    \n"
 
-			+ "    a:hover {\n"
 
-			+ "      text-decoration: underline;\n"
 
-			+ "      color: #003c97;\n"
 
-			+ "    }\n"
 
-			+ "    \n"
 
-			+ "    input[type=\"text\"],\n"
 
-			+ "    input[type=\"password\"] {\n"
 
-			+ "      height: auto;\n"
 
-			+ "      width: 100%;\n"
 
-			+ "      font-size: 1rem;\n"
 
-			+ "      padding: 0.5rem;\n"
 
-			+ "      box-sizing: border-box;\n"
 
-			+ "    }\n"
 
-			+ "    \n"
 
-			+ "    button {\n"
 
-			+ "      padding: 0.5rem 1rem;\n"
 
-			+ "      font-size: 1.25rem;\n"
 
-			+ "      line-height: 1.5;\n"
 
-			+ "      border: none;\n"
 
-			+ "      border-radius: 0.1rem;\n"
 
-			+ "      width: 100%;\n"
 
-			+ "    }\n"
 
-			+ "    \n"
 
-			+ "    button.primary {\n"
 
-			+ "      color: #fff;\n"
 
-			+ "      background-color: #06f;\n"
 
-			+ "    }\n"
 
-			+ "    \n"
 
-			+ "    .alert {\n"
 
-			+ "      padding: 0.75rem 1rem;\n"
 
-			+ "      margin-bottom: 1rem;\n"
 
-			+ "      line-height: 1.5;\n"
 
-			+ "      border-radius: 0.1rem;\n"
 
-			+ "      width: 100%;\n"
 
-			+ "      box-sizing: border-box;\n"
 
-			+ "      border-width: 1px;\n"
 
-			+ "      border-style: solid;\n"
 
-			+ "    }\n"
 
-			+ "    \n"
 
-			+ "    .alert.alert-danger {\n"
 
-			+ "      color: #6b1922;\n"
 
-			+ "      background-color: #f7d5d7;\n"
 
-			+ "      border-color: #eab6bb;\n"
 
-			+ "    }\n"
 
-			+ "    \n"
 
-			+ "    .alert.alert-success {\n"
 
-			+ "      color: #145222;\n"
 
-			+ "      background-color: #d1f0d9;\n"
 
-			+ "      border-color: #c2ebcb;\n"
 
-			+ "    }\n"
 
-			+ "    \n"
 
-			+ "    .screenreader {\n"
 
-			+ "      position: absolute;\n"
 
-			+ "      clip: rect(0 0 0 0);\n"
 
-			+ "      height: 1px;\n"
 
-			+ "      width: 1px;\n"
 
-			+ "      padding: 0;\n"
 
-			+ "      border: 0;\n"
 
-			+ "      overflow: hidden;\n"
 
-			+ "    }\n"
 
-			+ "    \n"
 
-			+ "    table {\n"
 
-			+ "      width: 100%;\n"
 
-			+ "      max-width: 100%;\n"
 
-			+ "      margin-bottom: 2rem;\n"
 
-			+ "    }\n"
 
-			+ "    \n"
 
-			+ "    .table-striped tr:nth-of-type(2n + 1) {\n"
 
-			+ "      background-color: #e1e1e1;\n"
 
-			+ "    }\n"
 
-			+ "    \n"
 
-			+ "    td {\n"
 
-			+ "      padding: 0.75rem;\n"
 
-			+ "      vertical-align: top;\n"
 
-			+ "    }\n"
 
-			+ "    \n"
 
-			+ "    /* Login / logout layouts */\n"
 
-			+ "    .login-form,\n"
 
-			+ "    .logout-form {\n"
 
-			+ "      max-width: 340px;\n"
 
-			+ "      padding: 0 15px 15px 15px;\n"
 
-			+ "      margin: 0 auto 2rem auto;\n"
 
-			+ "      box-sizing: border-box;\n"
 
-			+ "    }\n"
 
-			+ "    </style>\n"
 
-			+ "  </head>\n";
 
-	//@formatter:on
 
+	public static final String EXPECTED_HTML_HEAD = """
 
+			<!DOCTYPE html>
 
+			<html lang="en">
 
+			  <head>
 
+			    <meta charset="utf-8">
 
+			    <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
 
+			    <meta name="description" content="">
 
+			    <meta name="author" content="">
 
+			    <title>Please sign in</title>
 
+			    <style>
 
+			    /* General layout */
 
+			    body {
 
+			      font-family: system-ui, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
 
+			      background-color: #eee;
 
+			      padding: 40px 0;
 
+			      margin: 0;
 
+			      line-height: 1.5;
 
+			    }
 
+			\s\s\s\s
 
+			    h2 {
 
+			      margin-top: 0;
 
+			      margin-bottom: 0.5rem;
 
+			      font-size: 2rem;
 
+			      font-weight: 500;
 
+			      line-height: 2rem;
 
+			    }
 
+			\s\s\s\s
 
+			    .content {
 
+			      margin-right: auto;
 
+			      margin-left: auto;
 
+			      padding-right: 15px;
 
+			      padding-left: 15px;
 
+			      width: 100%;
 
+			      box-sizing: border-box;
 
+			    }
 
+			\s\s\s\s
 
+			    @media (min-width: 800px) {
 
+			      .content {
 
+			        max-width: 760px;
 
+			      }
 
+			    }
 
+			\s\s\s\s
 
+			    /* Components */
 
+			    a,
 
+			    a:visited {
 
+			      text-decoration: none;
 
+			      color: #06f;
 
+			    }
 
+			\s\s\s\s
 
+			    a:hover {
 
+			      text-decoration: underline;
 
+			      color: #003c97;
 
+			    }
 
+			\s\s\s\s
 
+			    input[type="text"],
 
+			    input[type="password"] {
 
+			      height: auto;
 
+			      width: 100%;
 
+			      font-size: 1rem;
 
+			      padding: 0.5rem;
 
+			      box-sizing: border-box;
 
+			    }
 
+			\s\s\s\s
 
+			    button {
 
+			      padding: 0.5rem 1rem;
 
+			      font-size: 1.25rem;
 
+			      line-height: 1.5;
 
+			      border: none;
 
+			      border-radius: 0.1rem;
 
+			      width: 100%;
 
+			    }
 
+			\s\s\s\s
 
+			    button.primary {
 
+			      color: #fff;
 
+			      background-color: #06f;
 
+			    }
 
+			\s\s\s\s
 
+			    .alert {
 
+			      padding: 0.75rem 1rem;
 
+			      margin-bottom: 1rem;
 
+			      line-height: 1.5;
 
+			      border-radius: 0.1rem;
 
+			      width: 100%;
 
+			      box-sizing: border-box;
 
+			      border-width: 1px;
 
+			      border-style: solid;
 
+			    }
 
+			\s\s\s\s
 
+			    .alert.alert-danger {
 
+			      color: #6b1922;
 
+			      background-color: #f7d5d7;
 
+			      border-color: #eab6bb;
 
+			    }
 
+			\s\s\s\s
 
+			    .alert.alert-success {
 
+			      color: #145222;
 
+			      background-color: #d1f0d9;
 
+			      border-color: #c2ebcb;
 
+			    }
 
+			\s\s\s\s
 
+			    .screenreader {
 
+			      position: absolute;
 
+			      clip: rect(0 0 0 0);
 
+			      height: 1px;
 
+			      width: 1px;
 
+			      padding: 0;
 
+			      border: 0;
 
+			      overflow: hidden;
 
+			    }
 
+			\s\s\s\s
 
+			    table {
 
+			      width: 100%;
 
+			      max-width: 100%;
 
+			      margin-bottom: 2rem;
 
+			    }
 
+			\s\s\s\s
 
+			    .table-striped tr:nth-of-type(2n + 1) {
 
+			      background-color: #e1e1e1;
 
+			    }
 
+			\s\s\s\s
 
+			    td {
 
+			      padding: 0.75rem;
 
+			      vertical-align: top;
 
+			    }
 
+			\s\s\s\s
 
+			    /* Login / logout layouts */
 
+			    .login-form,
 
+			    .logout-form {
 
+			      max-width: 340px;
 
+			      padding: 0 15px 15px 15px;
 
+			      margin: 0 auto 2rem auto;
 
+			      box-sizing: border-box;
 
+			    }
 
+			    </style>
 
+			  </head>
 
+			""";
 
 
 	public final SpringTestContext spring = new SpringTestContext(this);
 
 
@@ -188,27 +190,30 @@ public class FormLoginBeanDefinitionParserTests {
 
 	@Test
 
 	public void getLoginWhenAutoConfigThenShowsDefaultLoginPage() throws Exception {
 
 		this.spring.configLocations(this.xml("Simple")).autowire();
 
-		// @formatter:off
 
-		String expectedContent = "<!DOCTYPE html>\n"
 
-				+ "<html lang=\"en\">\n"
 
-				+ EXPECTED_HTML_HEAD
 
-				+ "  <body>\n"
 
-				+ "     <div class=\"content\">\n"
 
-				+ "      <form class=\"login-form\" method=\"post\" action=\"/login\">\n"
 
-				+ "        <h2>Please sign in</h2>\n"
 
-				+ "        <p>\n"
 
-				+ "          <label for=\"username\" class=\"screenreader\">Username</label>\n"
 
-				+ "          <input type=\"text\" id=\"username\" name=\"username\" placeholder=\"Username\" required autofocus>\n"
 
-				+ "        </p>\n"
 
-				+ "        <p>\n"
 
-				+ "          <label for=\"password\" class=\"screenreader\">Password</label>\n"
 
-				+ "          <input type=\"password\" id=\"password\" name=\"password\" placeholder=\"Password\" required>\n"
 
-				+ "        </p>\n"
 
-				+ "        <button type=\"submit\" class=\"primary\">Sign in</button>\n"
 
-				+ "      </form>\n"
 
-				+ "</div>\n"
 
-				+ "</body></html>";
 
-		// @formatter:on
 
+		String expectedContent = EXPECTED_HTML_HEAD + """
 
+				  <body>
 
+				    <div class="content">
 
+				      <form class="login-form" method="post" action="/login">
 
+				        <h2>Please sign in</h2>
 
+				       \s
 
+				        <p>
 
+				          <label for="username" class="screenreader">Username</label>
 
+				          <input type="text" id="username" name="username" placeholder="Username" required autofocus>
 
+				        </p>
 
+				        <p>
 
+				          <label for="password" class="screenreader">Password</label>
 
+				          <input type="password" id="password" name="password" placeholder="Password" required>
 
+				        </p>
 
+
 
+
 
+				        <button type="submit" class="primary">Sign in</button>
 
+				      </form>
 
+
 
+
 
+
 
+				    </div>
 
+				  </body>
 
+				</html>""";
 
 		this.mvc.perform(get("/login")).andExpect(content().string(expectedContent));
 
 	}
 
 
@@ -221,31 +226,32 @@ public class FormLoginBeanDefinitionParserTests {
 
 	@Test
 
 	public void getLoginWhenConfiguredWithCustomAttributesThenLoginPageReflects() throws Exception {
 
 		this.spring.configLocations(this.xml("WithCustomAttributes")).autowire();
 
-		// @formatter:off
 
-		String expectedContent = "<!DOCTYPE html>\n"
 
-				+ "<html lang=\"en\">\n"
 
-				+ EXPECTED_HTML_HEAD
 
-				+ "  <body>\n"
 
-				+ "     <div class=\"content\">\n"
 
-				+ "      <form class=\"login-form\" method=\"post\" action=\"/signin\">\n"
 
-				+ "        <h2>Please sign in</h2>\n"
 
-				+ "        <p>\n"
 
-				+ "          <label for=\"username\" class=\"screenreader\">Username</label>\n"
 
-				+ "          <input type=\"text\" id=\"username\" name=\"custom_user\" placeholder=\"Username\" required autofocus>\n"
 
-				+ "        </p>\n"
 
-				+ "        <p>\n"
 
-				+ "          <label for=\"password\" class=\"screenreader\">Password</label>\n"
 
-				+ "          <input type=\"password\" id=\"password\" name=\"custom_pass\" placeholder=\"Password\" required>\n"
 
-				+ "        </p>\n"
 
-				+ "        <button type=\"submit\" class=\"primary\">Sign in</button>\n"
 
-				+ "      </form>\n"
 
-				+ "</div>\n"
 
-				+ "</body></html>";
 
-		this.mvc.perform(get("/login"))
 
-				.andExpect(content().string(expectedContent));
 
-		this.mvc.perform(get("/logout"))
 
-				.andExpect(status().is3xxRedirection());
 
-		// @formatter:on
 
+		String expectedContent = EXPECTED_HTML_HEAD + """
 
+				  <body>
 
+				    <div class="content">
 
+				      <form class="login-form" method="post" action="/signin">
 
+				        <h2>Please sign in</h2>
 
+				       \s
 
+				        <p>
 
+				          <label for="username" class="screenreader">Username</label>
 
+				          <input type="text" id="username" name="custom_user" placeholder="Username" required autofocus>
 
+				        </p>
 
+				        <p>
 
+				          <label for="password" class="screenreader">Password</label>
 
+				          <input type="password" id="password" name="custom_pass" placeholder="Password" required>
 
+				        </p>
 
+
 
+
 
+				        <button type="submit" class="primary">Sign in</button>
 
+				      </form>
 
+
 
+
 
+
 
+				    </div>
 
+				  </body>
 
+				</html>""";
 
+		this.mvc.perform(get("/login")).andExpect(content().string(expectedContent));
 
+		this.mvc.perform(get("/logout")).andExpect(status().is3xxRedirection());
 
 	}
 
 
 	@Test

+ 187 - 93
web/src/main/java/org/springframework/security/web/authentication/ui/DefaultLoginPageGeneratingFilter.java
查看文件 

@@ -21,6 +21,7 @@ import java.nio.charset.StandardCharsets;
 
 import java.util.Collections;
 
 import java.util.Map;
 
 import java.util.function.Function;
 
+import java.util.stream.Collectors;
 
 
 import jakarta.servlet.FilterChain;
 
 import jakarta.servlet.ServletException;
 
@@ -38,7 +39,6 @@ import org.springframework.security.web.util.CssUtils;
 
 import org.springframework.util.Assert;
 
 import org.springframework.util.StringUtils;
 
 import org.springframework.web.filter.GenericFilterBean;
 
-import org.springframework.web.util.HtmlUtils;
 
 
 /**
 
  * For internal use with namespace configuration in the case where a user doesn't
 
@@ -205,87 +205,106 @@ public class DefaultLoginPageGeneratingFilter extends GenericFilterBean {
 
 	private String generateLoginPageHtml(HttpServletRequest request, boolean loginError, boolean logoutSuccess) {
 
 		String errorMsg = loginError ? getLoginErrorMessage(request) : "Invalid credentials";
 
 		String contextPath = request.getContextPath();
 
-		StringBuilder sb = new StringBuilder();
 
-		sb.append("<!DOCTYPE html>\n");
 
-		sb.append("<html lang=\"en\">\n");
 
-		sb.append("  <head>\n");
 
-		sb.append("    <meta charset=\"utf-8\">\n");
 
-		sb.append("    <meta name=\"viewport\" content=\"width=device-width, initial-scale=1, shrink-to-fit=no\">\n");
 
-		sb.append("    <meta name=\"description\" content=\"\">\n");
 
-		sb.append("    <meta name=\"author\" content=\"\">\n");
 
-		sb.append("    <title>Please sign in</title>\n");
 
-		sb.append(CssUtils.getCssStyleBlock().indent(4));
 
-		sb.append("  </head>\n");
 
-		sb.append("  <body>\n");
 
-		sb.append("     <div class=\"content\">\n");
 
-		if (this.formLoginEnabled) {
 
-			sb.append("      <form class=\"login-form\" method=\"post\" action=\"" + contextPath
 
-					+ this.authenticationUrl + "\">\n");
 
-			sb.append("        <h2>Please sign in</h2>\n");
 
-			sb.append(createError(loginError, errorMsg) + createLogoutSuccess(logoutSuccess) + "        <p>\n");
 
-			sb.append("          <label for=\"username\" class=\"screenreader\">Username</label>\n");
 
-			sb.append("          <input type=\"text\" id=\"username\" name=\"" + this.usernameParameter
 
-					+ "\" placeholder=\"Username\" required autofocus>\n");
 
-			sb.append("        </p>\n");
 
-			sb.append("        <p>\n");
 
-			sb.append("          <label for=\"password\" class=\"screenreader\">Password</label>\n");
 
-			sb.append("          <input type=\"password\" id=\"password\" name=\"" + this.passwordParameter
 
-					+ "\" placeholder=\"Password\" required>\n");
 
-			sb.append("        </p>\n");
 
-			sb.append(createRememberMe(this.rememberMeParameter) + renderHiddenInputs(request));
 
-			sb.append("        <button type=\"submit\" class=\"primary\">Sign in</button>\n");
 
-			sb.append("      </form>\n");
 
+
 
+		return HtmlTemplates.fromTemplate(LOGIN_PAGE_TEMPLATE)
 
+			.withRawHtml("cssStyle", CssUtils.getCssStyleBlock().indent(4))
 
+			.withRawHtml("formLogin", renderFormLogin(request, loginError, logoutSuccess, contextPath, errorMsg))
 
+			.withRawHtml("oneTimeTokenLogin",
 
+					renderOneTimeTokenLogin(request, loginError, logoutSuccess, contextPath, errorMsg))
 
+			.withRawHtml("oauth2Login", renderOAuth2Login(loginError, logoutSuccess, errorMsg, contextPath))
 
+			.withRawHtml("saml2Login", renderSaml2Login(loginError, logoutSuccess, errorMsg, contextPath))
 
+			.render();
 
+	}
 
+
 
+	private String renderFormLogin(HttpServletRequest request, boolean loginError, boolean logoutSuccess,
 
+			String contextPath, String errorMsg) {
 
+		if (!this.formLoginEnabled) {
 
+			return "";
 
 		}
 
-		if (this.oneTimeTokenEnabled) {
 
-			sb.append("      <form id=\"ott-form\" class=\"login-form\" method=\"post\" action=\"" + contextPath
 
-					+ this.generateOneTimeTokenUrl + "\">\n");
 
-			sb.append("        <h2>Request a One-Time Token</h2>\n");
 
-			sb.append(createError(loginError, errorMsg) + createLogoutSuccess(logoutSuccess) + "<p>\n");
 
-			sb.append("          <label for=\"ott-username\" class=\"screenreader\">Username</label>\n");
 
-			sb.append(
 
-					"          <input type=\"text\" id=\"ott-username\" name=\"username\" placeholder=\"Username\" required>\n");
 
-			sb.append("        </p>\n");
 
-			sb.append(renderHiddenInputs(request));
 
-			sb.append("          <button class=\"primary\" type=\"submit\" form=\"ott-form\">Send Token</button>\n");
 
-			sb.append("      </form>\n");
 
+
 
+		String hiddenInputs = this.resolveHiddenInputs.apply(request)
 
+			.entrySet()
 
+			.stream()
 
+			.map((inputKeyValue) -> renderHiddenInput(inputKeyValue.getKey(), inputKeyValue.getValue()))
 
+			.collect(Collectors.joining("\n"));
 
+
 
+		return HtmlTemplates.fromTemplate(LOGIN_FORM_TEMPLATE)
 
+			.withValue("loginUrl", contextPath + this.authenticationUrl)
 
+			.withRawHtml("errorMessage", renderError(loginError, errorMsg))
 
+			.withRawHtml("logoutMessage", renderSuccess(logoutSuccess))
 
+			.withValue("usernameParameter", this.usernameParameter)
 
+			.withValue("passwordParameter", this.passwordParameter)
 
+			.withRawHtml("rememberMeInput", renderRememberMe(this.rememberMeParameter))
 
+			.withRawHtml("hiddenInputs", hiddenInputs)
 
+			.render();
 
+	}
 
+
 
+	private String renderOneTimeTokenLogin(HttpServletRequest request, boolean loginError, boolean logoutSuccess,
 
+			String contextPath, String errorMsg) {
 
+		if (!this.oneTimeTokenEnabled) {
 
+			return "";
 
 		}
 
-		if (this.oauth2LoginEnabled) {
 
-			sb.append("<h2>Login with OAuth 2.0</h2>");
 
-			sb.append(createError(loginError, errorMsg));
 
-			sb.append(createLogoutSuccess(logoutSuccess));
 
-			sb.append("<table class=\"table table-striped\">\n");
 
-			for (Map.Entry<String, String> clientAuthenticationUrlToClientName : this.oauth2AuthenticationUrlToClientName
 
-				.entrySet()) {
 
-				sb.append(" <tr><td>");
 
-				String url = clientAuthenticationUrlToClientName.getKey();
 
-				sb.append("<a href=\"").append(contextPath).append(url).append("\">");
 
-				String clientName = HtmlUtils.htmlEscape(clientAuthenticationUrlToClientName.getValue());
 
-				sb.append(clientName);
 
-				sb.append("</a>");
 
-				sb.append("</td></tr>\n");
 
-			}
 
-			sb.append("</table>\n");
 
+
 
+		String hiddenInputs = this.resolveHiddenInputs.apply(request)
 
+			.entrySet()
 
+			.stream()
 
+			.map((inputKeyValue) -> renderHiddenInput(inputKeyValue.getKey(), inputKeyValue.getValue()))
 
+			.collect(Collectors.joining("\n"));
 
+
 
+		return HtmlTemplates.fromTemplate(ONE_TIME_TEMPLATE)
 
+			.withValue("generateOneTimeTokenUrl", contextPath + this.generateOneTimeTokenUrl)
 
+			.withRawHtml("errorMessage", renderError(loginError, errorMsg))
 
+			.withRawHtml("logoutMessage", renderSuccess(logoutSuccess))
 
+			.withRawHtml("hiddenInputs", hiddenInputs)
 
+			.render();
 
+	}
 
+
 
+	private String renderOAuth2Login(boolean loginError, boolean logoutSuccess, String errorMsg, String contextPath) {
 
+		if (!this.oauth2LoginEnabled) {
 
+			return "";
 
 		}
 
-		if (this.saml2LoginEnabled) {
 
-			sb.append("<h2>Login with SAML 2.0</h2>");
 
-			sb.append(createError(loginError, errorMsg));
 
-			sb.append(createLogoutSuccess(logoutSuccess));
 
-			sb.append("<table class=\"table table-striped\">\n");
 
-			for (Map.Entry<String, String> relyingPartyUrlToName : this.saml2AuthenticationUrlToProviderName
 
-				.entrySet()) {
 
-				sb.append(" <tr><td>");
 
-				String url = relyingPartyUrlToName.getKey();
 
-				sb.append("<a href=\"").append(contextPath).append(url).append("\">");
 
-				String partyName = HtmlUtils.htmlEscape(relyingPartyUrlToName.getValue());
 
-				sb.append(partyName);
 
-				sb.append("</a>");
 
-				sb.append("</td></tr>\n");
 
-			}
 
-			sb.append("</table>\n");
 
+
 
+		String oauth2Rows = this.oauth2AuthenticationUrlToClientName.entrySet()
 
+			.stream()
 
+			.map((urlToName) -> renderOAuth2Row(contextPath, urlToName.getKey(), urlToName.getValue()))
 
+			.collect(Collectors.joining("\n"));
 
+
 
+		return HtmlTemplates.fromTemplate(OAUTH2_LOGIN_TEMPLATE)
 
+			.withRawHtml("errorMessage", renderError(loginError, errorMsg))
 
+			.withRawHtml("logoutMessage", renderSuccess(logoutSuccess))
 
+			.withRawHtml("oauth2Rows", oauth2Rows)
 
+			.render();
 
+	}
 
+
 
+	private static String renderOAuth2Row(String contextPath, String url, String clientName) {
 
+		return HtmlTemplates.fromTemplate(OAUTH2_ROW_TEMPLATE)
 
+			.withValue("url", contextPath + url)
 
+			.withValue("clientName", clientName)
 
+			.render();
 
+	}
 
+
 
+	private String renderSaml2Login(boolean loginError, boolean logoutSuccess, String errorMsg, String contextPath) {
 
+		if (!this.saml2LoginEnabled) {
 
+			return "";
 
 		}
 
-		sb.append("</div>\n");
 
-		sb.append("</body></html>");
 
-		return sb.toString();
 
+
 
+		String samlRows = this.saml2AuthenticationUrlToProviderName.entrySet()
 
+			.stream()
 
+			.map((urlToName) -> renderSaml2Row(contextPath, urlToName.getKey(), urlToName.getValue()))
 
+			.collect(Collectors.joining("\n"));
 
+
 
+		return HtmlTemplates.fromTemplate(SAML_LOGIN_TEMPLATE)
 
+			.withRawHtml("errorMessage", renderError(loginError, errorMsg))
 
+			.withRawHtml("logoutMessage", renderSuccess(logoutSuccess))
 
+			.withRawHtml("samlRows", samlRows)
 
+			.render();
 
+	}
 
+
 
+	private static String renderSaml2Row(String contextPath, String url, String clientName) {
 
+		return HtmlTemplates.fromTemplate(SAML_ROW_TEMPLATE)
 
+			.withValue("url", contextPath + url)
 
+			.withValue("clientName", clientName)
 
+			.render();
 
 	}
 
 
 	private String getLoginErrorMessage(HttpServletRequest request) {
 
@@ -303,23 +322,21 @@ public class DefaultLoginPageGeneratingFilter extends GenericFilterBean {
 
 		return exception.getMessage();
 
 	}
 
 
-	private String renderHiddenInputs(HttpServletRequest request) {
 
-		StringBuilder sb = new StringBuilder();
 
-		for (Map.Entry<String, String> input : this.resolveHiddenInputs.apply(request).entrySet()) {
 
-			sb.append("<input name=\"");
 
-			sb.append(input.getKey());
 
-			sb.append("\" type=\"hidden\" value=\"");
 
-			sb.append(input.getValue());
 
-			sb.append("\" />\n");
 
-		}
 
-		return sb.toString();
 
+	private String renderHiddenInput(String name, String value) {
 
+		return HtmlTemplates.fromTemplate(HIDDEN_HTML_INPUT_TEMPLATE)
 
+			.withValue("name", name)
 
+			.withValue("value", value)
 
+			.render();
 
 	}
 
 
-	private String createRememberMe(String paramName) {
 
+	private String renderRememberMe(String paramName) {
 
 		if (paramName == null) {
 
 			return "";
 
 		}
 
-		return "<p><input type='checkbox' name='" + paramName + "'/> Remember me on this computer.</p>\n";
 
+		return HtmlTemplates
 
+			.fromTemplate("<p><input type='checkbox' name='{{paramName}}'/> Remember me on this computer.</p>")
 
+			.withValue("paramName", paramName)
 
+			.render();
 
 	}
 
 
 	private boolean isLogoutSuccess(HttpServletRequest request) {
 
@@ -334,14 +351,14 @@ public class DefaultLoginPageGeneratingFilter extends GenericFilterBean {
 
 		return matches(request, this.failureUrl);
 
 	}
 
 
-	private String createError(boolean isError, String message) {
 
+	private String renderError(boolean isError, String message) {
 
 		if (!isError) {
 
 			return "";
 
 		}
 
-		return "<div class=\"alert alert-danger\" role=\"alert\">" + HtmlUtils.htmlEscape(message) + "</div>";
 
+		return HtmlTemplates.fromTemplate(ALERT_TEMPLATE).withValue("message", message).render();
 
 	}
 
 
-	private String createLogoutSuccess(boolean isLogoutSuccess) {
 
+	private String renderSuccess(boolean isLogoutSuccess) {
 
 		if (!isLogoutSuccess) {
 
 			return "";
 
 		}
 
@@ -367,4 +384,81 @@ public class DefaultLoginPageGeneratingFilter extends GenericFilterBean {
 
 		return uri.equals(request.getContextPath() + url);
 
 	}
 
 
+	private static final String LOGIN_PAGE_TEMPLATE = """
 
+			<!DOCTYPE html>
 
+			<html lang="en">
 
+			  <head>
 
+			    <meta charset="utf-8">
 
+			    <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
 
+			    <meta name="description" content="">
 
+			    <meta name="author" content="">
 
+			    <title>Please sign in</title>
 
+			{{cssStyle}}
 
+			  </head>
 
+			  <body>
 
+			    <div class="content">
 
+			{{formLogin}}
 
+			{{oneTimeTokenLogin}}
 
+			{{oauth2Login}}
 
+			{{saml2Login}}
 
+			    </div>
 
+			  </body>
 
+			</html>""";
 
+
 
+	private static final String LOGIN_FORM_TEMPLATE = """
 
+			      <form class="login-form" method="post" action="{{loginUrl}}">
 
+			        <h2>Please sign in</h2>
 
+			        {{errorMessage}}{{logoutMessage}}
 
+			        <p>
 
+			          <label for="username" class="screenreader">Username</label>
 
+			          <input type="text" id="username" name="{{usernameParameter}}" placeholder="Username" required autofocus>
 
+			        </p>
 
+			        <p>
 
+			          <label for="password" class="screenreader">Password</label>
 
+			          <input type="password" id="password" name="{{passwordParameter}}" placeholder="Password" required>
 
+			        </p>
 
+			{{rememberMeInput}}
 
+			{{hiddenInputs}}
 
+			        <button type="submit" class="primary">Sign in</button>
 
+			      </form>""";
 
+
 
+	private static final String HIDDEN_HTML_INPUT_TEMPLATE = """
 
+			<input name="{{name}}" type="hidden" value="{{value}}" />
 
+			""";
 
+
 
+	private static final String ALERT_TEMPLATE = """
 
+			<div class="alert alert-danger" role="alert">{{message}}</div>""";
 
+
 
+	private static final String OAUTH2_LOGIN_TEMPLATE = """
 
+			<h2>Login with OAuth 2.0</h2>
 
+			{{errorMessage}}{{logoutMessage}}
 
+			<table class="table table-striped">
 
+			  {{oauth2Rows}}
 
+			</table>""";
 
+
 
+	private static final String OAUTH2_ROW_TEMPLATE = """
 
+			<tr><td><a href="{{url}}">{{clientName}}</a></td></tr>""";
 
+
 
+	private static final String SAML_LOGIN_TEMPLATE = """
 
+			<h2>Login with SAML 2.0</h2>
 
+			{{errorMessage}}{{logoutMessage}}
 
+			<table class="table table-striped">
 
+			  {{samlRows}}
 
+			</table>""";
 
+
 
+	private static final String SAML_ROW_TEMPLATE = OAUTH2_ROW_TEMPLATE;
 
+
 
+	private static final String ONE_TIME_TEMPLATE = """
 
+			      <form id="ott-form" class="login-form" method="post" action="{{generateOneTimeTokenUrl}}">
 
+			        <h2>Request a One-Time Token</h2>
 
+			      {{errorMessage}}{{logoutMessage}}
 
+			        <p>
 
+			          <label for="ott-username" class="screenreader">Username</label>
 
+			          <input type="text" id="ott-username" name="username" placeholder="Username" required>
 
+			        </p>
 
+			      {{hiddenInputs}}
 
+			        <button class="primary" type="submit" form="ott-form">Send Token</button>
 
+			      </form>
 
+			""";
 
+
 
 }

+ 37 - 28
web/src/main/java/org/springframework/security/web/authentication/ui/DefaultLogoutPageGeneratingFilter.java
查看文件 

@@ -61,30 +61,13 @@ public class DefaultLogoutPageGeneratingFilter extends OncePerRequestFilter {
 
 	}
 
 
 	private void renderLogout(HttpServletRequest request, HttpServletResponse response) throws IOException {
 
-		StringBuilder sb = new StringBuilder();
 
-		sb.append("<!DOCTYPE html>\n");
 
-		sb.append("<html lang=\"en\">\n");
 
-		sb.append("  <head>\n");
 
-		sb.append("    <meta charset=\"utf-8\">\n");
 
-		sb.append("    <meta name=\"viewport\" content=\"width=device-width, initial-scale=1, shrink-to-fit=no\">\n");
 
-		sb.append("    <meta name=\"description\" content=\"\">\n");
 
-		sb.append("    <meta name=\"author\" content=\"\">\n");
 
-		sb.append("    <title>Confirm Log Out?</title>\n");
 
-		sb.append(CssUtils.getCssStyleBlock().indent(4));
 
-		sb.append("  </head>\n");
 
-		sb.append("  <body>\n");
 
-		sb.append("     <div class=\"content\">\n");
 
-		sb.append("      <form class=\"logout-form\" method=\"post\" action=\"" + request.getContextPath()
 
-				+ "/logout\">\n");
 
-		sb.append("        <h2>Are you sure you want to log out?</h2>\n");
 
-		sb.append(renderHiddenInputs(request));
 
-		sb.append("        <button class=\"primary\" type=\"submit\">Log Out</button>\n");
 
-		sb.append("      </form>\n");
 
-		sb.append("    </div>\n");
 
-		sb.append("  </body>\n");
 
-		sb.append("</html>");
 
+		String renderedPage = HtmlTemplates.fromTemplate(LOGOUT_PAGE_TEMPLATE)
 
+			.withRawHtml("cssStyle", CssUtils.getCssStyleBlock().indent(4))
 
+			.withValue("contextPath", request.getContextPath())
 
+			.withRawHtml("hiddenInputs", renderHiddenInputs(request).indent(8))
 
+			.render();
 
 		response.setContentType("text/html;charset=UTF-8");
 
-		response.getWriter().write(sb.toString());
 
+		response.getWriter().write(renderedPage);
 
 	}
 
 
 	/**
 
@@ -101,13 +84,39 @@ public class DefaultLogoutPageGeneratingFilter extends OncePerRequestFilter {
 
 	private String renderHiddenInputs(HttpServletRequest request) {
 
 		StringBuilder sb = new StringBuilder();
 
 		for (Map.Entry<String, String> input : this.resolveHiddenInputs.apply(request).entrySet()) {
 
-			sb.append("<input name=\"");
 
-			sb.append(input.getKey());
 
-			sb.append("\" type=\"hidden\" value=\"");
 
-			sb.append(input.getValue());
 
-			sb.append("\" />\n");
 
+			String inputElement = HtmlTemplates.fromTemplate(HIDDEN_HTML_INPUT_TEMPLATE)
 
+				.withValue("name", input.getKey())
 
+				.withValue("value", input.getValue())
 
+				.render();
 
+			sb.append(inputElement);
 
 		}
 
 		return sb.toString();
 
 	}
 
 
+	private static final String LOGOUT_PAGE_TEMPLATE = """
 
+			<!DOCTYPE html>
 
+			<html lang="en">
 
+			  <head>
 
+			    <meta charset="utf-8">
 
+			    <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
 
+			    <meta name="description" content="">
 
+			    <meta name="author" content="">
 
+			    <title>Confirm Log Out?</title>
 
+			{{cssStyle}}
 
+			  </head>
 
+			  <body>
 
+			    <div class="content">
 
+			      <form class="logout-form" method="post" action="{{contextPath}}/logout">
 
+			        <h2>Are you sure you want to log out?</h2>
 
+			{{hiddenInputs}}
 
+			        <button class="primary" type="submit">Log Out</button>
 
+			      </form>
 
+			    </div>
 
+			  </body>
 
+			</html>""";
 
+
 
+	private static final String HIDDEN_HTML_INPUT_TEMPLATE = """
 
+			<input name="{{name}}" type="hidden" value="{{value}}" />
 
+			""";
 
+
 
 }

+ 107 - 0
web/src/main/java/org/springframework/security/web/authentication/ui/HtmlTemplates.java
查看文件 

@@ -0,0 +1,107 @@
 
+/*
 
+ * Copyright 2002-2024 the original author or authors.
 
+ *
 
+ * Licensed under the Apache License, Version 2.0 (the "License");
 
+ * you may not use this file except in compliance with the License.
 
+ * You may obtain a copy of the License at
 
+ *
 
+ *      https://www.apache.org/licenses/LICENSE-2.0
 
+ *
 
+ * Unless required by applicable law or agreed to in writing, software
 
+ * distributed under the License is distributed on an "AS IS" BASIS,
 
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 
+ * See the License for the specific language governing permissions and
 
+ * limitations under the License.
 
+ */
 
+
 
+package org.springframework.security.web.authentication.ui;
 
+
 
+import java.util.HashMap;
 
+import java.util.Map;
 
+import java.util.regex.Pattern;
 
+import java.util.stream.Collectors;
 
+
 
+import org.springframework.util.StringUtils;
 
+import org.springframework.web.util.HtmlUtils;
 
+
 
+/**
 
+ * Render HTML templates using string substitution. Intended for internal use. Variables
 
+ * can be templated using double curly-braces: {@code {{name}}}.
 
+ *
 
+ * @author Daniel Garnier-Moiroux
 
+ * @since 6.4
 
+ */
 
+final class HtmlTemplates {
 
+
 
+	private HtmlTemplates() {
 
+	}
 
+
 
+	static Builder fromTemplate(String template) {
 
+		return new Builder(template);
 
+	}
 
+
 
+	static final class Builder {
 
+
 
+		private final String template;
 
+
 
+		private final Map<String, String> values = new HashMap<>();
 
+
 
+		private Builder(String template) {
 
+			this.template = template;
 
+		}
 
+
 
+		/**
 
+		 * HTML-escape, and inject value {@code value} in every {@code {{key}}}
 
+		 * placeholder.
 
+		 * @param key the placeholder name
 
+		 * @param value the value to inject
 
+		 * @return this instance for further templating
 
+		 */
 
+		Builder withValue(String key, String value) {
 
+			this.values.put(key, HtmlUtils.htmlEscape(value));
 
+			return this;
 
+		}
 
+
 
+		/**
 
+		 * Inject value {@code value} in every {@code {{key}}} placeholder without
 
+		 * HTML-escaping. Useful for injecting "sub-templates".
 
+		 * @param key the placeholder name
 
+		 * @param value the value to inject
 
+		 * @return this instance for further templating
 
+		 */
 
+		Builder withRawHtml(String key, String value) {
 
+			if (!value.isEmpty() && value.charAt(value.length() - 1) == '\n') {
 
+				value = value.substring(0, value.length() - 1);
 
+			}
 
+			this.values.put(key, value);
 
+			return this;
 
+		}
 
+
 
+		/**
 
+		 * Render the template. All placeholders MUST have a corresponding value. If a
 
+		 * placeholder does not have a corresponding value, throws
 
+		 * {@link IllegalStateException}.
 
+		 * @return the rendered template
 
+		 */
 
+		String render() {
 
+			String template = this.template;
 
+			for (String key : this.values.keySet()) {
 
+				String pattern = Pattern.quote("{{" + key + "}}");
 
+				template = template.replaceAll(pattern, this.values.get(key));
 
+			}
 
+
 
+			String unusedPlaceholders = Pattern.compile("\\{\\{([a-zA-Z0-9]+)}}")
 
+				.matcher(template)
 
+				.results()
 
+				.map((result) -> result.group(1))
 
+				.collect(Collectors.joining(", "));
 
+			if (StringUtils.hasLength(unusedPlaceholders)) {
 
+				throw new IllegalStateException("Unused placeholders in template: [%s]".formatted(unusedPlaceholders));
 
+			}
 
+
 
+			return template;
 
+		}
 
+
 
+	}
 
+
 
+}

+ 194 - 3
web/src/test/java/org/springframework/security/web/authentication/DefaultLoginPageGeneratingFilterTests.java
查看文件 

@@ -16,10 +16,12 @@
 
 
 package org.springframework.security.web.authentication;
 
 
+import java.io.IOException;
 
 import java.util.Collections;
 
 import java.util.Locale;
 
 
 import jakarta.servlet.FilterChain;
 
+import jakarta.servlet.ServletException;
 
 import org.junit.jupiter.api.Test;
 
 
 import org.springframework.context.support.MessageSourceAccessor;
 
@@ -195,15 +197,204 @@ public class DefaultLoginPageGeneratingFilterTests {
 
 		filter.doFilter(new MockHttpServletRequest("GET", "/login"), response, this.chain);
 
 		assertThat(response.getContentAsString()).contains("Request a One-Time Token");
 
 		assertThat(response.getContentAsString()).contains("""
 
-				<form id="ott-form" class="login-form" method="post" action="/ott/authenticate">
 
+				      <form id="ott-form" class="login-form" method="post" action="/ott/authenticate">
 
 				        <h2>Request a One-Time Token</h2>
 
-				<p>
 
+				     \s
 
+				        <p>
 
 				          <label for="ott-username" class="screenreader">Username</label>
 
 				          <input type="text" id="ott-username" name="username" placeholder="Username" required>
 
 				        </p>
 
-				          <button class="primary" type="submit" form="ott-form">Send Token</button>
 
+				     \s
 
+				        <button class="primary" type="submit" form="ott-form">Send Token</button>
 
 				      </form>
 
 				""");
 
 	}
 
 
+	@Test
 
+	void generatesThenRenders() throws ServletException, IOException {
 
+		DefaultLoginPageGeneratingFilter filter = new DefaultLoginPageGeneratingFilter(
 
+				new UsernamePasswordAuthenticationFilter());
 
+		filter.setLoginPageUrl(DefaultLoginPageGeneratingFilter.DEFAULT_LOGIN_PAGE_URL);
 
+		filter.setSaml2LoginEnabled(true);
 
+		String clientName = "Google < > \" \' &";
 
+		filter.setSaml2AuthenticationUrlToProviderName(Collections.singletonMap("/saml/sso/google", clientName));
 
+		filter.setOauth2LoginEnabled(true);
 
+		clientName = "Google < > \" \' &";
 
+		filter.setOauth2AuthenticationUrlToClientName(
 
+				Collections.singletonMap("/oauth2/authorization/google", clientName));
 
+
 
+		MockHttpServletRequest request = new MockHttpServletRequest("GET", "/login");
 
+		request.setQueryString("error");
 
+		MockHttpServletResponse response = new MockHttpServletResponse();
 
+		request.getSession()
 
+			.setAttribute(WebAttributes.AUTHENTICATION_EXCEPTION, new BadCredentialsException("Bad credentials"));
 
+		filter.doFilter(request, response, this.chain);
 
+		assertThat(response.getContentAsString()).isEqualTo("""
 
+				<!DOCTYPE html>
 
+				<html lang="en">
 
+				  <head>
 
+				    <meta charset="utf-8">
 
+				    <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
 
+				    <meta name="description" content="">
 
+				    <meta name="author" content="">
 
+				    <title>Please sign in</title>
 
+				    <style>
 
+				    /* General layout */
 
+				    body {
 
+				      font-family: system-ui, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
 
+				      background-color: #eee;
 
+				      padding: 40px 0;
 
+				      margin: 0;
 
+				      line-height: 1.5;
 
+				    }
 
+				\s\s\s\s
 
+				    h2 {
 
+				      margin-top: 0;
 
+				      margin-bottom: 0.5rem;
 
+				      font-size: 2rem;
 
+				      font-weight: 500;
 
+				      line-height: 2rem;
 
+				    }
 
+				\s\s\s\s
 
+				    .content {
 
+				      margin-right: auto;
 
+				      margin-left: auto;
 
+				      padding-right: 15px;
 
+				      padding-left: 15px;
 
+				      width: 100%;
 
+				      box-sizing: border-box;
 
+				    }
 
+				\s\s\s\s
 
+				    @media (min-width: 800px) {
 
+				      .content {
 
+				        max-width: 760px;
 
+				      }
 
+				    }
 
+				\s\s\s\s
 
+				    /* Components */
 
+				    a,
 
+				    a:visited {
 
+				      text-decoration: none;
 
+				      color: #06f;
 
+				    }
 
+				\s\s\s\s
 
+				    a:hover {
 
+				      text-decoration: underline;
 
+				      color: #003c97;
 
+				    }
 
+				\s\s\s\s
 
+				    input[type="text"],
 
+				    input[type="password"] {
 
+				      height: auto;
 
+				      width: 100%;
 
+				      font-size: 1rem;
 
+				      padding: 0.5rem;
 
+				      box-sizing: border-box;
 
+				    }
 
+				\s\s\s\s
 
+				    button {
 
+				      padding: 0.5rem 1rem;
 
+				      font-size: 1.25rem;
 
+				      line-height: 1.5;
 
+				      border: none;
 
+				      border-radius: 0.1rem;
 
+				      width: 100%;
 
+				    }
 
+				\s\s\s\s
 
+				    button.primary {
 
+				      color: #fff;
 
+				      background-color: #06f;
 
+				    }
 
+				\s\s\s\s
 
+				    .alert {
 
+				      padding: 0.75rem 1rem;
 
+				      margin-bottom: 1rem;
 
+				      line-height: 1.5;
 
+				      border-radius: 0.1rem;
 
+				      width: 100%;
 
+				      box-sizing: border-box;
 
+				      border-width: 1px;
 
+				      border-style: solid;
 
+				    }
 
+				\s\s\s\s
 
+				    .alert.alert-danger {
 
+				      color: #6b1922;
 
+				      background-color: #f7d5d7;
 
+				      border-color: #eab6bb;
 
+				    }
 
+				\s\s\s\s
 
+				    .alert.alert-success {
 
+				      color: #145222;
 
+				      background-color: #d1f0d9;
 
+				      border-color: #c2ebcb;
 
+				    }
 
+				\s\s\s\s
 
+				    .screenreader {
 
+				      position: absolute;
 
+				      clip: rect(0 0 0 0);
 
+				      height: 1px;
 
+				      width: 1px;
 
+				      padding: 0;
 
+				      border: 0;
 
+				      overflow: hidden;
 
+				    }
 
+				\s\s\s\s
 
+				    table {
 
+				      width: 100%;
 
+				      max-width: 100%;
 
+				      margin-bottom: 2rem;
 
+				    }
 
+				\s\s\s\s
 
+				    .table-striped tr:nth-of-type(2n + 1) {
 
+				      background-color: #e1e1e1;
 
+				    }
 
+				\s\s\s\s
 
+				    td {
 
+				      padding: 0.75rem;
 
+				      vertical-align: top;
 
+				    }
 
+				\s\s\s\s
 
+				    /* Login / logout layouts */
 
+				    .login-form,
 
+				    .logout-form {
 
+				      max-width: 340px;
 
+				      padding: 0 15px 15px 15px;
 
+				      margin: 0 auto 2rem auto;
 
+				      box-sizing: border-box;
 
+				    }
 
+				    </style>
 
+				  </head>
 
+				  <body>
 
+				    <div class="content">
 
+				      <form class="login-form" method="post" action="null">
 
+				        <h2>Please sign in</h2>
 
+				        <div class="alert alert-danger" role="alert">Bad credentials</div>
 
+				        <p>
 
+				          <label for="username" class="screenreader">Username</label>
 
+				          <input type="text" id="username" name="username" placeholder="Username" required autofocus>
 
+				        </p>
 
+				        <p>
 
+				          <label for="password" class="screenreader">Password</label>
 
+				          <input type="password" id="password" name="password" placeholder="Password" required>
 
+				        </p>
 
+
 
+
 
+				        <button type="submit" class="primary">Sign in</button>
 
+				      </form>
 
+
 
+				<h2>Login with OAuth 2.0</h2>
 
+				<div class="alert alert-danger" role="alert">Bad credentials</div>
 
+				<table class="table table-striped">
 
+				  <tr><td><a href="/oauth2/authorization/google">Google &lt; &gt; &quot; &#39; &amp;</a></td></tr>
 
+				</table>
 
+				<h2>Login with SAML 2.0</h2>
 
+				<div class="alert alert-danger" role="alert">Bad credentials</div>
 
+				<table class="table table-striped">
 
+				  <tr><td><a href="/saml/sso/google">Google &lt; &gt; &quot; &#39; &amp;</a></td></tr>
 
+				</table>
 
+				    </div>
 
+				  </body>
 
+				</html>""");
 
+	}
 
+
 
 }

+ 152 - 0
web/src/test/java/org/springframework/security/web/authentication/ui/DefaultLogoutPageGeneratingFilterTests.java
查看文件 

@@ -59,4 +59,156 @@ public class DefaultLogoutPageGeneratingFilterTests {
 
 			.andExpect(content().string(containsString("action=\"/context/logout\"")));
 
 	}
 
 
+	@Test
 
+	void doFilterWhenRequestContextAndHiddenInputsSetThenRendered() throws Exception {
 
+		this.filter.setResolveHiddenInputs((r) -> Collections.singletonMap("_csrf", "csrf-token-1"));
 
+		MockMvc mockMvc = MockMvcBuilders.standaloneSetup(new Object()).addFilters(this.filter).build();
 
+
 
+		mockMvc.perform(get("/context/logout").contextPath("/context")).andExpect(content().string("""
 
+				<!DOCTYPE html>
 
+				<html lang="en">
 
+				  <head>
 
+				    <meta charset="utf-8">
 
+				    <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
 
+				    <meta name="description" content="">
 
+				    <meta name="author" content="">
 
+				    <title>Confirm Log Out?</title>
 
+				    <style>
 
+				    /* General layout */
 
+				    body {
 
+				      font-family: system-ui, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
 
+				      background-color: #eee;
 
+				      padding: 40px 0;
 
+				      margin: 0;
 
+				      line-height: 1.5;
 
+				    }
 
+				\s\s\s\s
 
+				    h2 {
 
+				      margin-top: 0;
 
+				      margin-bottom: 0.5rem;
 
+				      font-size: 2rem;
 
+				      font-weight: 500;
 
+				      line-height: 2rem;
 
+				    }
 
+				\s\s\s\s
 
+				    .content {
 
+				      margin-right: auto;
 
+				      margin-left: auto;
 
+				      padding-right: 15px;
 
+				      padding-left: 15px;
 
+				      width: 100%;
 
+				      box-sizing: border-box;
 
+				    }
 
+				\s\s\s\s
 
+				    @media (min-width: 800px) {
 
+				      .content {
 
+				        max-width: 760px;
 
+				      }
 
+				    }
 
+				\s\s\s\s
 
+				    /* Components */
 
+				    a,
 
+				    a:visited {
 
+				      text-decoration: none;
 
+				      color: #06f;
 
+				    }
 
+				\s\s\s\s
 
+				    a:hover {
 
+				      text-decoration: underline;
 
+				      color: #003c97;
 
+				    }
 
+				\s\s\s\s
 
+				    input[type="text"],
 
+				    input[type="password"] {
 
+				      height: auto;
 
+				      width: 100%;
 
+				      font-size: 1rem;
 
+				      padding: 0.5rem;
 
+				      box-sizing: border-box;
 
+				    }
 
+				\s\s\s\s
 
+				    button {
 
+				      padding: 0.5rem 1rem;
 
+				      font-size: 1.25rem;
 
+				      line-height: 1.5;
 
+				      border: none;
 
+				      border-radius: 0.1rem;
 
+				      width: 100%;
 
+				    }
 
+				\s\s\s\s
 
+				    button.primary {
 
+				      color: #fff;
 
+				      background-color: #06f;
 
+				    }
 
+				\s\s\s\s
 
+				    .alert {
 
+				      padding: 0.75rem 1rem;
 
+				      margin-bottom: 1rem;
 
+				      line-height: 1.5;
 
+				      border-radius: 0.1rem;
 
+				      width: 100%;
 
+				      box-sizing: border-box;
 
+				      border-width: 1px;
 
+				      border-style: solid;
 
+				    }
 
+				\s\s\s\s
 
+				    .alert.alert-danger {
 
+				      color: #6b1922;
 
+				      background-color: #f7d5d7;
 
+				      border-color: #eab6bb;
 
+				    }
 
+				\s\s\s\s
 
+				    .alert.alert-success {
 
+				      color: #145222;
 
+				      background-color: #d1f0d9;
 
+				      border-color: #c2ebcb;
 
+				    }
 
+				\s\s\s\s
 
+				    .screenreader {
 
+				      position: absolute;
 
+				      clip: rect(0 0 0 0);
 
+				      height: 1px;
 
+				      width: 1px;
 
+				      padding: 0;
 
+				      border: 0;
 
+				      overflow: hidden;
 
+				    }
 
+				\s\s\s\s
 
+				    table {
 
+				      width: 100%;
 
+				      max-width: 100%;
 
+				      margin-bottom: 2rem;
 
+				    }
 
+				\s\s\s\s
 
+				    .table-striped tr:nth-of-type(2n + 1) {
 
+				      background-color: #e1e1e1;
 
+				    }
 
+				\s\s\s\s
 
+				    td {
 
+				      padding: 0.75rem;
 
+				      vertical-align: top;
 
+				    }
 
+				\s\s\s\s
 
+				    /* Login / logout layouts */
 
+				    .login-form,
 
+				    .logout-form {
 
+				      max-width: 340px;
 
+				      padding: 0 15px 15px 15px;
 
+				      margin: 0 auto 2rem auto;
 
+				      box-sizing: border-box;
 
+				    }
 
+				    </style>
 
+				  </head>
 
+				  <body>
 
+				    <div class="content">
 
+				      <form class="logout-form" method="post" action="/context/logout">
 
+				        <h2>Are you sure you want to log out?</h2>
 
+				        <input name="_csrf" type="hidden" value="csrf-token-1" />
 
+				        <button class="primary" type="submit">Log Out</button>
 
+				      </form>
 
+				    </div>
 
+				  </body>
 
+				</html>"""));
 
+	}
 
+
 
 }

+ 147 - 0
web/src/test/java/org/springframework/security/web/authentication/ui/HtmlTemplatesTests.java
查看文件 

@@ -0,0 +1,147 @@
 
+/*
 
+ * Copyright 2002-2024 the original author or authors.
 
+ *
 
+ * Licensed under the Apache License, Version 2.0 (the "License");
 
+ * you may not use this file except in compliance with the License.
 
+ * You may obtain a copy of the License at
 
+ *
 
+ *      https://www.apache.org/licenses/LICENSE-2.0
 
+ *
 
+ * Unless required by applicable law or agreed to in writing, software
 
+ * distributed under the License is distributed on an "AS IS" BASIS,
 
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 
+ * See the License for the specific language governing permissions and
 
+ * limitations under the License.
 
+ */
 
+
 
+package org.springframework.security.web.authentication.ui;
 
+
 
+import org.junit.jupiter.api.Test;
 
+
 
+import static org.assertj.core.api.Assertions.assertThat;
 
+import static org.assertj.core.api.Assertions.assertThatExceptionOfType;
 
+
 
+/**
 
+ * @author Daniel Garnier-Moiroux
 
+ * @since 6.4
 
+ */
 
+class HtmlTemplatesTests {
 
+
 
+	@Test
 
+	void processTemplateWhenNoVariablesThenRendersTemplate() {
 
+		String template = """
 
+				<ul>
 
+					<li>Lorem ipsum dolor sit amet</li>
 
+					<li>consectetur adipiscing elit</li>
 
+					<li>sed do eiusmod tempor incididunt ut labore</li>
 
+					<li>et dolore magna aliqua</li>
 
+				</ul>
 
+				""";
 
+
 
+		assertThat(HtmlTemplates.fromTemplate(template).render()).isEqualTo(template);
 
+	}
 
+
 
+	@Test
 
+	void renderWhenVariablesThenRendersTemplate() {
 
+		String template = """
 
+				<ul>
 
+					<li>{{one}}</li>
 
+					<li>{{two}}</li>
 
+				</ul>
 
+				""";
 
+
 
+		String renderedTemplate = HtmlTemplates.fromTemplate(template)
 
+			.withValue("one", "Lorem ipsum dolor sit amet")
 
+			.withValue("two", "consectetur adipiscing elit")
 
+			.render();
 
+
 
+		assertThat(renderedTemplate).isEqualTo("""
 
+				<ul>
 
+					<li>Lorem ipsum dolor sit amet</li>
 
+					<li>consectetur adipiscing elit</li>
 
+				</ul>
 
+				""");
 
+	}
 
+
 
+	@Test
 
+	void renderWhenVariablesThenEscapedAndRender() {
 
+		String template = "<p>{{content}}</p>";
 
+
 
+		String renderedTemplate = HtmlTemplates.fromTemplate(template)
 
+			.withValue("content", "The <a> tag is very common in HTML.")
 
+			.render();
 
+
 
+		assertThat(renderedTemplate).isEqualTo("<p>The &lt;a&gt; tag is very common in HTML.</p>");
 
+	}
 
+
 
+	@Test
 
+	void renderWhenRawHtmlVariablesThenRendersTemplate() {
 
+		String template = """
 
+				<p>
 
+					The {{title}} is a placeholder text used in print.
 
+				</p>
 
+				""";
 
+
 
+		String renderedTemplate = HtmlTemplates.fromTemplate(template)
 
+			.withRawHtml("title", "<strong>Lorem Ipsum</strong>")
 
+			.render();
 
+
 
+		assertThat(renderedTemplate).isEqualTo("""
 
+				<p>
 
+					The <strong>Lorem Ipsum</strong> is a placeholder text used in print.
 
+				</p>
 
+				""");
 
+	}
 
+
 
+	@Test
 
+	void renderWhenRawHtmlVariablesThenTrimsTrailingNewline() {
 
+		String template = """
 
+				<ul>
 
+				{{content}}
 
+				</ul>
 
+				""";
 
+
 
+		String renderedTemplate = HtmlTemplates.fromTemplate(template)
 
+			.withRawHtml("content", "<li>Lorem ipsum dolor sit amet</li>".indent(2))
 
+			.render();
 
+
 
+		assertThat(renderedTemplate).isEqualTo("""
 
+				<ul>
 
+				  <li>Lorem ipsum dolor sit amet</li>
 
+				</ul>
 
+				""");
 
+	}
 
+
 
+	@Test
 
+	void renderWhenEmptyVariablesThenRender() {
 
+		String template = """
 
+				<li>One: {{one}}</li>
 
+				{{two}}
 
+				""";
 
+
 
+		String renderedTemplate = HtmlTemplates.fromTemplate(template)
 
+			.withValue("one", "")
 
+			.withRawHtml("two", "")
 
+			.render();
 
+
 
+		assertThat(renderedTemplate).isEqualTo("""
 
+				<li>One: </li>
 
+
 
+				""");
 
+	}
 
+
 
+	@Test
 
+	void renderWhenMissingVariablesThenThrows() {
 
+		String template = """
 
+				<li>One: {{one}}</li>
 
+				<li>Two: {{two}}</li>
 
+				{{three}}
 
+				""";
 
+
 
+		HtmlTemplates.Builder templateBuilder = HtmlTemplates.fromTemplate(template)
 
+			.withValue("one", "Lorem ipsum dolor sit amet");
 
+		assertThatExceptionOfType(IllegalStateException.class).isThrownBy(templateBuilder::render)
 
+			.withMessage("Unused placeholders in template: [two, three]");
 
+	}
 
+
 
+}

+ 8 - 0
web/src/test/java/org/springframework/security/web/server/ui/LogoutPageGeneratingWebFilterTests.java
查看文件 

@@ -43,4 +43,12 @@ public class LogoutPageGeneratingWebFilterTests {
 
 		assertThat(exchange.getResponse().getBodyAsString().block()).contains("action=\"/logout\"");
 
 	}
 
 
+	@Test
 
+	void filterThenRendersPage() {
 
+		LogoutPageGeneratingWebFilter filter = new LogoutPageGeneratingWebFilter();
 
+		MockServerWebExchange exchange = MockServerWebExchange
 
+			.from(MockServerHttpRequest.get("/test/logout").contextPath("/test"));
 
+		filter.filter(exchange, (e) -> Mono.empty()).block();
 
+	}
 
+
 
 }