From 4051cdcc800038b556c53b3e4373e6e6a9953721 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Felix=20D=C3=B6rre?= <felix@dogcraft.de>
Date: Mon, 27 Jun 2016 10:47:34 +0200
Subject: [PATCH] add: an about page that shows the currently deployed version.

fixes #51

Change-Id: I6e6ca442c8d0b597599b1e85c3a1c98c73ca7a52
---
 .gitignore                                |  1 +
 Gigi.MF                                   |  3 ---
 build.xml                                 |  8 ++++++
 src/org/cacert/gigi/Gigi.java             |  2 ++
 src/org/cacert/gigi/pages/AboutPage.java  | 30 +++++++++++++++++++++++
 src/org/cacert/gigi/pages/AboutPage.templ |  1 +
 6 files changed, 42 insertions(+), 3 deletions(-)
 delete mode 100644 Gigi.MF
 create mode 100644 src/org/cacert/gigi/pages/AboutPage.java
 create mode 100644 src/org/cacert/gigi/pages/AboutPage.templ

diff --git a/.gitignore b/.gitignore
index 0c170e19..5a68b3a4 100644
--- a/.gitignore
+++ b/.gitignore
@@ -18,3 +18,4 @@
 static.tar.gz
 
 /src/org/cacert/gigi/util/effective_tld_names.dat
+Gigi.MF
diff --git a/Gigi.MF b/Gigi.MF
deleted file mode 100644
index 614d595d..00000000
--- a/Gigi.MF
+++ /dev/null
@@ -1,3 +0,0 @@
-Manifest-Version: 1.0
-Main-Class: org.cacert.gigi.Launcher
-
diff --git a/build.xml b/build.xml
index be1b127e..6816b7d8 100644
--- a/build.xml
+++ b/build.xml
@@ -81,6 +81,14 @@
 	<target depends="clean,clean-test" name="cleanall" />
 	<target depends="build-project, build-testing, native" name="build" />
 	<target depends="init" name="build-project">
+		<exec outputproperty="git-version" executable="git">
+			<arg line="rev-parse"/>
+			<arg line="HEAD"/>
+		</exec>
+		<manifest file="Gigi.MF">
+			<attribute name="Main-Class" value="org.cacert.gigi.Launcher" />
+			<attribute name="Implementation-Version" value="${git-version}" />
+		</manifest>
 		<echo message="${ant.project.name}: ${ant.file}" />
 		<javac encoding="UTF-8" debug="true" debuglevel="${debuglevel}" destdir="bin"
 			includeantruntime="false" source="${source}" target="${target}">
diff --git a/src/org/cacert/gigi/Gigi.java b/src/org/cacert/gigi/Gigi.java
index bf6c32ed..19954c60 100644
--- a/src/org/cacert/gigi/Gigi.java
+++ b/src/org/cacert/gigi/Gigi.java
@@ -33,6 +33,7 @@ import org.cacert.gigi.output.SimpleMenuItem;
 import org.cacert.gigi.output.template.Form.CSRFException;
 import org.cacert.gigi.output.template.Outputable;
 import org.cacert.gigi.output.template.Template;
+import org.cacert.gigi.pages.AboutPage;
 import org.cacert.gigi.pages.HandlesMixedRequest;
 import org.cacert.gigi.pages.LoginPage;
 import org.cacert.gigi.pages.LogoutPage;
@@ -126,6 +127,7 @@ public final class Gigi extends HttpServlet {
             });
             putPage("/", new MainPage(), null);
             putPage("/roots", new RootCertPage(truststore), "SomeCA.org");
+            putPage("/about", new AboutPage(), "SomeCA.org");
 
             putPage("/secure", new TestSecure(), null);
             putPage(Verify.PATH, new Verify(), null);
diff --git a/src/org/cacert/gigi/pages/AboutPage.java b/src/org/cacert/gigi/pages/AboutPage.java
new file mode 100644
index 00000000..0ab20111
--- /dev/null
+++ b/src/org/cacert/gigi/pages/AboutPage.java
@@ -0,0 +1,30 @@
+package org.cacert.gigi.pages;
+
+import java.io.IOException;
+import java.io.PrintWriter;
+import java.util.HashMap;
+
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+import org.cacert.gigi.util.AuthorizationContext;
+
+public class AboutPage extends Page {
+
+    public AboutPage() {
+        super("About");
+    }
+
+    @Override
+    public void doGet(HttpServletRequest req, HttpServletResponse resp) throws IOException {
+        PrintWriter out = resp.getWriter();
+        HashMap<String, Object> o = new HashMap<>();
+        o.put("version", Package.getPackage("org.cacert.gigi").getImplementationVersion());
+        getDefaultTemplate().output(out, getLanguage(req), o);
+    }
+
+    @Override
+    public boolean isPermitted(AuthorizationContext ac) {
+        return true;
+    }
+}
diff --git a/src/org/cacert/gigi/pages/AboutPage.templ b/src/org/cacert/gigi/pages/AboutPage.templ
new file mode 100644
index 00000000..eed6eb35
--- /dev/null
+++ b/src/org/cacert/gigi/pages/AboutPage.templ
@@ -0,0 +1 @@
+<?=_This page is generated by gigi version ${version}.?>
\ No newline at end of file
-- 
2.39.2