Chages that enables testing logpaths before saving and making multiple attempts to create correct patterns

pkg/web/handlers.go

@@ -861,6 +861,7 @@ func equalStringSlices(a, b []string) bool {
 
 // TestLogpathHandler tests a logpath and returns matching files
 // Resolves Fail2Ban variables before testing
+// Accepts optional logpath in request body, otherwise reads from saved jail config
 func TestLogpathHandler(c *gin.Context) {
 	config.DebugLog("----------------------------")
 	config.DebugLog("TestLogpathHandler called (handlers.go)") // entry point
@@ -871,22 +872,40 @@ func TestLogpathHandler(c *gin.Context) {
 		return
 	}
 
-	// Get jail config to extract logpath
-	jailCfg, err := conn.GetJailConfig(c.Request.Context(), jail)
-	if err != nil {
-		c.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to load jail config: " + err.Error()})
-		return
+	var originalLogpath string
+
+	// Check if logpath is provided in request body
+	var reqBody struct {
+		Logpath string `json:"logpath"`
+	}
+	if err := c.ShouldBindJSON(&reqBody); err == nil && reqBody.Logpath != "" {
+		// Use logpath from request body (from textarea)
+		originalLogpath = strings.TrimSpace(reqBody.Logpath)
+		config.DebugLog("Using logpath from request body: %s", originalLogpath)
+	} else {
+		// Fall back to reading from saved jail config
+		jailCfg, err := conn.GetJailConfig(c.Request.Context(), jail)
+		if err != nil {
+			c.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to load jail config: " + err.Error()})
+			return
+		}
+
+		// Extract logpath from jail config
+		originalLogpath = fail2ban.ExtractLogpathFromJailConfig(jailCfg)
+		if originalLogpath == "" {
+			c.JSON(http.StatusOK, gin.H{
+				"original_logpath": "",
+				"resolved_logpath": "",
+				"files":            []string{},
+				"message":          "No logpath configured for this jail",
+			})
+			return
+		}
+		config.DebugLog("Using logpath from saved jail config: %s", originalLogpath)
 	}
 
-	// Extract logpath from jail config
-	originalLogpath := fail2ban.ExtractLogpathFromJailConfig(jailCfg)
 	if originalLogpath == "" {
-		c.JSON(http.StatusOK, gin.H{
-			"original_logpath": "",
-			"resolved_logpath": "",
-			"files":            []string{},
-			"message":          "No logpath configured for this jail",
-		})
+		c.JSON(http.StatusBadRequest, gin.H{"error": "No logpath provided"})
 		return
 	}
 

pkg/web/static/js/jails.js

@@ -132,9 +132,35 @@ function saveJailConfig() {
     });
 }
 
+// Extract logpath from jail config text
+function extractLogpathFromConfig(configText) {
+  if (!configText) return '';
+  
+  // Match logpath = value (handles various formats)
+  var logpathMatch = configText.match(/^logpath\s*=\s*(.+)$/im);
+  if (logpathMatch && logpathMatch[1]) {
+    // Trim whitespace and remove quotes if present
+    var logpath = logpathMatch[1].trim();
+    // Remove surrounding quotes
+    logpath = logpath.replace(/^["']|["']$/g, '');
+    return logpath;
+  }
+  return '';
+}
+
 function testLogpath() {
   if (!currentJailForConfig) return;
   
+  // Extract logpath from the textarea
+  var jailTextArea = document.getElementById('jailConfigTextarea');
+  var jailConfig = jailTextArea ? jailTextArea.value : '';
+  var logpath = extractLogpathFromConfig(jailConfig);
+  
+  if (!logpath) {
+    showToast('No logpath found in jail configuration. Please add a logpath line (e.g., logpath = /var/log/example.log)', 'warning');
+    return;
+  }
+  
   var resultsDiv = document.getElementById('logpathResults');
   resultsDiv.textContent = 'Testing logpath...';
   resultsDiv.classList.remove('hidden');
@@ -145,6 +171,7 @@ function testLogpath() {
   fetch(withServerParam(url), {
     method: 'POST',
     headers: serverHeaders({ 'Content-Type': 'application/json' }),
+    body: JSON.stringify({ logpath: logpath })
   })
     .then(function(res) { return res.json(); })
     .then(function(data) {
@@ -163,28 +190,35 @@ function testLogpath() {
       var resolvedLogpath = data.resolved_logpath || '';
       var files = data.files || [];
       
-      // Build output message
+      // Build output message with better formatting
       var output = '';
       
+      // Show original logpath
+      if (originalLogpath) {
+        output += 'Logpath:\n  ' + originalLogpath + '\n\n';
+      }
+      
       // Show resolved logpath if different from original
       if (resolvedLogpath && resolvedLogpath !== originalLogpath) {
-        output += 'Resolved logpath: ' + resolvedLogpath + '\n\n';
+        output += 'Resolved logpath:\n  ' + resolvedLogpath + '\n\n';
       } else if (resolvedLogpath) {
-        output += 'Logpath: ' + resolvedLogpath + '\n\n';
-      } else if (originalLogpath) {
-        output += 'Logpath: ' + originalLogpath + '\n\n';
+        //output += 'Logpath:\n  ' + resolvedLogpath + '\n\n';
       }
       
-      // Show files found
+      // Show files found with better formatting
       if (files.length === 0) {
         output += 'No files found matching the logpath pattern.';
         resultsDiv.classList.remove('text-red-600');
         resultsDiv.classList.add('text-yellow-600');
       } else {
-        output += 'Found ' + files.length + ' file(s):\n' + files.join('\n');
+        output += 'Found ' + files.length + ' file(s):\n\n';
+        files.forEach(function(file, index) {
+          output += '  ' + (index + 1) + '. ' + file + '\n';
+        });
         resultsDiv.classList.remove('text-red-600', 'text-yellow-600');
       }
       
+      // Use textContent for plain text, but we could also use innerHTML for better formatting
       resultsDiv.textContent = output;
       
       // Auto-scroll to results

pkg/web/templates/index.html

@@ -805,7 +805,7 @@
                     class="inline-flex justify-center rounded-md border border-transparent shadow-sm px-4 py-2 bg-green-600 text-sm font-medium text-white hover:bg-green-700 focus:outline-none focus:ring-2 focus:ring-offset-2 focus:ring-green-500"
                     onclick="testLogpath()"
                     data-i18n="modal.test_logpath">Test Logpath</button>
-                  <div id="logpathResults" class="mt-2 p-3 bg-gray-100 rounded-md text-sm font-mono max-h-32 overflow-y-auto hidden"></div>
+                  <pre id="logpathResults" class="mt-2 p-3 bg-gray-100 rounded-md text-sm font-mono max-h-32 overflow-y-auto hidden"></pre>
                 </div>
               </div>
             </div>