working on slimmer implementation

Signed-off-by: Stephan Richter <s.richter@srsoftware.de>
2024-07-16 22:21:13 +02:00
parent 74e458fa65
commit 5627db16b5
9 changed files with 153 additions and 21 deletions
--- a/de.srsoftware.oidc.web/build.gradle
+++ b/de.srsoftware.oidc.web/build.gradle
@@ -0,0 +1,20 @@
+plugins {
+    id 'java'
+}
+
+group = 'de.srsoftware'
+version = '1.0-SNAPSHOT'
+
+repositories {
+    mavenCentral()
+}
+
+dependencies {
+    testImplementation platform('org.junit:junit-bom:5.10.0')
+    testImplementation 'org.junit.jupiter:junit-jupiter'
+    implementation project(':de.srsoftware.oidc.api')
+}
+
+test {
+    useJUnitPlatform()
+}
--- a/de.srsoftware.oidc.web/src/main/java/de/srsoftware/oidc/web/StaticPages.java
+++ b/de.srsoftware.oidc.web/src/main/java/de/srsoftware/oidc/web/StaticPages.java
@@ -0,0 +1,53 @@
+/* © SRSoftware 2024 */
+package de.srsoftware.oidc.web;
+
+import com.sun.net.httpserver.HttpExchange;
+import de.srsoftware.oidc.api.PathHandler;
+import java.io.FileNotFoundException;
+import java.io.IOException;
+import java.io.OutputStream;
+import java.util.Optional;
+
+public class StaticPages extends PathHandler {
+	private static final String DEFAULT_LANG = "en";
+	private ClassLoader         loader;
+
+	private record Response(String contentType, byte[] content) {
+	}
+	private static final String INDEX = "de/index.html";
+
+	@Override
+	public void handle(HttpExchange ex) throws IOException {
+		String path = relativePath(ex);
+		if (path.isBlank()) path = INDEX;
+		try {
+			var response = loadTemplate(path).orElseThrow(() -> new FileNotFoundException());
+
+			ex.getResponseHeaders().add("Content-Type", response.contentType);
+			ex.sendResponseHeaders(200, response.content.length);
+			OutputStream os = ex.getResponseBody();
+			os.write(response.content);
+			os.close();
+		} catch (FileNotFoundException fnf) {
+			ex.sendResponseHeaders(404, 0);
+			ex.getResponseBody().close();
+		}
+	}
+
+	private Optional<Response> loadTemplate(String path) throws IOException {
+		if (loader == null) loader = getClass().getClassLoader();
+		var resource = loader.getResource(path);
+		if (resource == null) {
+			var parts = path.split("/");
+			parts[0]  = DEFAULT_LANG;
+			path      = String.join("/", parts);
+			resource  = loader.getResource(path);
+		}
+		if (resource == null) return Optional.empty();
+		var connection	= resource.openConnection();
+		var contentType = connection.getContentType();
+		try (var in = connection.getInputStream()) {
+			return Optional.of(new Response(contentType, in.readAllBytes()));
+		}
+	}
+}
--- a/de.srsoftware.oidc.web/src/main/resources/en/index.html
+++ b/de.srsoftware.oidc.web/src/main/resources/en/index.html
@@ -0,0 +1,9 @@
+<html>
+    <head>
+        <title>{title}</title>
+        <script src="lightoidc.js" />
+    </head>
+    <body>
+        {body}
+    </body>
+</html>