feat: add SFTP private key authentication support

.gitea/workflows/release.yml

@@ -59,7 +59,7 @@ jobs:
         uses: https://gitea.com/actions/gitea-release-action@v1
         with:
           tag_name: ${{ steps.get_version.outputs.VERSION }}
-          name: GoExplore ${{ steps.get_version.outputs.VERSION }}
+          name: ${{ steps.get_version.outputs.VERSION }}
           body: ${{ steps.changelog.outputs.changelog }}
           draft: false
           prerelease: false

frontend/index.html

@@ -123,8 +123,15 @@
                         <input type="text" id="conn-username" placeholder="user">
                     </div>
                     <div class="form-group" style="flex: 1;">
-                        <label>Password / Secret Key</label>
+                        <div style="display: flex; justify-content: space-between; align-items: center;">
+                            <label id="secret-label">Password / Secret Key</label>
+                            <select id="conn-sftp-auth-type" style="display: none; width: auto; font-size: 0.75rem; padding: 0.1rem 0.3rem;" onchange="updateProtocolFields()">
+                                <option value="password">Password</option>
+                                <option value="key">Private Key</option>
+                            </select>
+                        </div>
                         <input type="password" id="conn-secret" placeholder="Stored in OS Keychain">
+                        <textarea id="conn-secret-key" style="display: none; width: 100%; box-sizing: border-box; background: var(--bg-alt); color: var(--text-primary); border: 1px solid var(--border); border-radius: 4px; padding: 0.5rem; font-family: monospace;" rows="4" placeholder="-----BEGIN OPENSSH PRIVATE KEY-----..."></textarea>
                     </div>
                 </div>
 

frontend/src/main.js

@@ -48,7 +48,10 @@ async function init() {
             path_style: document.getElementById('conn-pathstyle').checked,
             username: document.getElementById('conn-username').value
         };
-        const secret = document.getElementById('conn-secret').value;
+        let secret = document.getElementById('conn-secret').value;
+        if (conn.protocol === 'sftp' && document.getElementById('conn-sftp-auth-type').value === 'key') {
+            secret = document.getElementById('conn-secret-key').value;
+        }
 
         try {
             await SaveConnection(conn, secret);
@@ -104,6 +107,8 @@ window.editConnection = (id) => {
     document.getElementById('conn-pathstyle').checked = c.path_style || false;
     document.getElementById('conn-username').value = c.username || '';
     document.getElementById('conn-secret').value = '';
+    document.getElementById('conn-secret-key').value = '';
+    document.getElementById('conn-sftp-auth-type').value = 'password';
     document.getElementById('conn-delete-btn').style.display = 'block';
 
     updateProtocolFields();
@@ -114,6 +119,9 @@ window.openConnModal = () => {
     document.getElementById('modal-title').innerText = "Add Connection";
     document.getElementById('conn-form').reset();
     document.getElementById('conn-id').value = uuidv4();
+    document.getElementById('conn-secret').value = '';
+    document.getElementById('conn-secret-key').value = '';
+    document.getElementById('conn-sftp-auth-type').value = 'password';
     document.getElementById('conn-delete-btn').style.display = 'none';
     updateProtocolFields();
     document.getElementById('conn-modal').style.display = 'flex';
@@ -133,6 +141,30 @@ window.updateProtocolFields = () => {
     const showS3Specific = protocol === 's3';
     document.getElementById('region-group').style.display = showS3Specific ? 'flex' : 'none';
     document.getElementById('pathstyle-group').style.display = showS3Specific ? 'flex' : 'none';
+
+    // SFTP Auth Type toggle
+    const authTypeSelect = document.getElementById('conn-sftp-auth-type');
+    const secretInput = document.getElementById('conn-secret');
+    const secretKeyArea = document.getElementById('conn-secret-key');
+    const secretLabel = document.getElementById('secret-label');
+
+    if (protocol === 'sftp') {
+        authTypeSelect.style.display = 'block';
+        if (authTypeSelect.value === 'key') {
+            secretInput.style.display = 'none';
+            secretKeyArea.style.display = 'block';
+            secretLabel.innerText = 'SSH Private Key';
+        } else {
+            secretInput.style.display = 'block';
+            secretKeyArea.style.display = 'none';
+            secretLabel.innerText = 'Password';
+        }
+    } else {
+        authTypeSelect.style.display = 'none';
+        secretInput.style.display = 'block';
+        secretKeyArea.style.display = 'none';
+        secretLabel.innerText = 'Password / Secret Key';
+    }
 };
 
 window.deleteConnection = async () => {