Add export certificate functionality

Added the ability to export certificates from the JKS store. Updated the plugin.xml to include the export action and implemented relevant methods in JKSView and CertificateHelper to handle the export process.

src/main/java/com/jmpeax/ssltoolbox/jks/JKSView.java

@@ -1,7 +1,6 @@
 package com.jmpeax.ssltoolbox.jks;
 
 import com.intellij.icons.AllIcons;
-import com.intellij.openapi.Disposable;
 import com.intellij.openapi.actionSystem.*;
 import com.intellij.openapi.application.ApplicationManager;
 
@@ -10,7 +9,6 @@
 import com.intellij.ui.components.JBList;
 import com.intellij.ui.components.JBPasswordField;
 import com.intellij.util.ui.JBUI;
-import com.jmpeax.ssltoolbox.jks.actions.ImportCert;
 import com.jmpeax.ssltoolbox.pem.PemView;
 import com.jmpeax.ssltoolbox.svc.CertificateHelper;
 import org.jetbrains.annotations.NotNull;
@@ -28,6 +26,7 @@
 import java.util.Set;
 
 public class JKSView extends JPanel {
+
     private JBList<String> list;
     private PemView pemView;
     private final VirtualFile file;
@@ -141,7 +140,7 @@ private JPanel createUnlockButton() {
                 try {
                     var certificateHelper = ApplicationManager.getApplication().getService(CertificateHelper.class);
                     this.certs = certificateHelper.getKeyStoreCerts(file.getInputStream(), password);
-                    updateView(certs);
+                    addCertificate(certs);
                     panel.removeAll();
                     panel.add(buildToolBar());
                     revalidate();
@@ -174,7 +173,7 @@ private JPanel buildToolBar() {
 
     }
 
-    private void updateView(Map<String, X509Certificate> certs) {
+    private void addCertificate(Map<String, X509Certificate> certs) {
         certs.keySet().forEach(listModel::addElement);
         list = new JBList<>(listModel);
         list.setCellRenderer(new IconListRenderer());
@@ -189,7 +188,6 @@ private void updateView(Map<String, X509Certificate> certs) {
         });
         listPanel.removeAll();
         listPanel.add(new JScrollPane(list), BorderLayout.CENTER);
-
     }
 
     public @Nullable JComponent getUnlockText() {
@@ -204,4 +202,17 @@ public Component getListCellRendererComponent(JList<?> list, Object value, int i
             return label;
         }
     }
+
+    public void addCertificate(String alias, X509Certificate certificate) {
+        listModel.addElement(alias);
+        certs.put(alias, certificate);
+    }
+
+    public String getSelectedCertificate() {
+        return list.getSelectedValue();
+    }
+    public void removeCertificate(String alias) {
+        listModel.remove(listModel.indexOf(alias));
+        certs.remove(alias);
+    }
 }

src/main/java/com/jmpeax/ssltoolbox/jks/actions/ExportCert.java

@@ -0,0 +1,58 @@
+package com.jmpeax.ssltoolbox.jks.actions;
+
+
+import com.intellij.openapi.actionSystem.AnAction;
+import com.intellij.openapi.actionSystem.AnActionEvent;
+import com.intellij.openapi.actionSystem.CommonDataKeys;
+import com.intellij.openapi.actionSystem.PlatformDataKeys;
+import com.intellij.openapi.application.ApplicationManager;
+import com.intellij.openapi.fileChooser.FileChooser;
+import com.intellij.openapi.fileChooser.FileChooserDescriptor;
+import com.intellij.openapi.ui.Messages;
+import com.intellij.openapi.vfs.VirtualFile;
+import com.jmpeax.ssltoolbox.jks.JKSView;
+import com.jmpeax.ssltoolbox.svc.CertificateHelper;
+import org.jetbrains.annotations.NotNull;
+
+import java.io.IOException;
+import java.util.Objects;
+
+public class ExportCert extends AnAction {
+
+
+    @Override
+    public void actionPerformed(@NotNull AnActionEvent e) {
+
+        var certificateHelper = ApplicationManager.getApplication().getService(CertificateHelper.class);
+        var ksVirtualFile = e.getData(CommonDataKeys.VIRTUAL_FILE);
+        var view = getViewComponent(e);
+        if (view == null) {
+            Messages.showErrorDialog("No JKS view found", "No JKS View");
+        }
+        var selectedAlias = view.getSelectedCertificate();
+        if (selectedAlias == null) {
+            Messages.showErrorDialog("No certificate selected", "No Certificate Selected");
+        }
+        var descriptor = new FileChooserDescriptor(
+                false,  // Choose Files
+                true,
+                false,
+                false,
+                false,
+                false
+        );
+        var pwd = Messages.showPasswordDialog("Keystore password", "KeyStore Password");
+        if (pwd != null && !pwd.isBlank()) {
+            certificateHelper.exportCertificate(ksVirtualFile, selectedAlias, pwd.toCharArray());
+            Messages.showInfoMessage("Certificate exported", "Certificate Exported");
+            view.removeCertificate(selectedAlias);
+        }
+    }
+
+    private JKSView getViewComponent(@NotNull AnActionEvent e) {
+        // Retrieve your view component from context, e.g., using the data context from the event
+        return e.getData(PlatformDataKeys.CONTEXT_COMPONENT) instanceof JKSView
+                ? (JKSView) e.getData(PlatformDataKeys.CONTEXT_COMPONENT)
+                : null;
+    }
+}

src/main/java/com/jmpeax/ssltoolbox/jks/actions/ImportCert.java

@@ -15,6 +15,7 @@
 import org.jetbrains.annotations.NotNull;
 
 import java.io.IOException;
+import java.util.Objects;
 
 public class ImportCert extends AnAction {
 
@@ -53,7 +54,8 @@ public void actionPerformed(@NotNull AnActionEvent e) {
             if (pwd != null && !pwd.isBlank()) {
                 certificateHelper.importCertificate(ksVirtualFile, file,selectedAlias.getInput(), pwd.toCharArray());
                 Messages.showInfoMessage("Certificate imported", "Certificate Imported");
-                getViewComponent(e);
+                Objects.requireNonNull(getViewComponent(e)).addCertificate(selectedAlias.getInput(),
+                        certificateHelper.getCertificate(file).stream().findFirst().orElseThrow());
             }
 
         } catch (IOException ex) {

src/main/java/com/jmpeax/ssltoolbox/svc/CertificateHelper.java

@@ -4,6 +4,7 @@
 import com.intellij.openapi.diagnostic.Logger;
 import com.intellij.openapi.vfs.VirtualFile;
 import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
 
 import javax.security.auth.x500.X500Principal;
 import java.io.*;
@@ -156,6 +157,18 @@ public void importCertificate(@NotNull VirtualFile keyStoreFile, @NotNull Virtua
         } catch (Exception e) {
             LOGGER.error("Error importing certificate", e);
         }
+    }
 
+    public @Nullable X509Certificate exportCertificate(VirtualFile ksVirtualFile,
+                                                       String selectedAlias,
+                                                       char[] password) {
+        try(var is = ksVirtualFile.getInputStream()) {
+            var keystore = openKeyStore(is, password);
+            var cert = keystore.getCertificate(selectedAlias);
+            return (X509Certificate) cert;
+        } catch (Exception e) {
+            LOGGER.error("Error exporting certificate", e);
+            return null;
+        }
     }
 }

src/main/resources/META-INF/plugin.xml

@@ -64,7 +64,11 @@
                popup="true" icon="AllIcons.Ide.ConfigFile">
             <action id="import-cert-jks" class="com.jmpeax.ssltoolbox.jks.actions.ImportCert"
                     text="Import" description="Import certificate"
-                    icon="AllIcons.Actions.Refresh">
+                    icon="AllIcons.Ide.IncomingChangesOn">
+            </action>
+            <action id="export-cert-jks" class="com.jmpeax.ssltoolbox.jks.actions.ExportCert"
+                    text="Export" description="Export certificate"
+                    icon="AllIcons.Ide.OutgoingChangesOn">
             </action>
         </group>