Clean up and copy to getTraefikConfig

server/lib/traefik/utils.ts

@@ -0,0 +1,81 @@
+import logger from "@server/logger";
+
+export function sanitize(input: string | null | undefined): string | undefined {
+    if (!input) return undefined;
+    // clean any non alphanumeric characters from the input and replace with dashes
+    // the input cant be too long either, so limit to 50 characters
+    if (input.length > 50) {
+        input = input.substring(0, 50);
+    }
+    return input
+        .replace(/[^a-zA-Z0-9-]/g, "-")
+        .replace(/-+/g, "-")
+        .replace(/^-|-$/g, "");
+}
+
+export function validatePathRewriteConfig(
+    path: string | null,
+    pathMatchType: string | null,
+    rewritePath: string | null,
+    rewritePathType: string | null
+): { isValid: boolean; error?: string } {
+    // If no path matching is configured, no rewriting is possible
+    if (!path || !pathMatchType) {
+        if (rewritePath || rewritePathType) {
+            return {
+                isValid: false,
+                error: "Path rewriting requires path matching to be configured"
+            };
+        }
+        return { isValid: true };
+    }
+
+    if (rewritePathType !== "stripPrefix") {
+        if ((rewritePath && !rewritePathType) || (!rewritePath && rewritePathType)) {
+            return { isValid: false, error: "Both rewritePath and rewritePathType must be specified together" };
+        }
+    }
+
+
+    if (!rewritePath || !rewritePathType) {
+        return { isValid: true };
+    }
+
+    const validPathMatchTypes = ["exact", "prefix", "regex"];
+    if (!validPathMatchTypes.includes(pathMatchType)) {
+        return {
+            isValid: false,
+            error: `Invalid pathMatchType: ${pathMatchType}. Must be one of: ${validPathMatchTypes.join(", ")}`
+        };
+    }
+
+    const validRewritePathTypes = ["exact", "prefix", "regex", "stripPrefix"];
+    if (!validRewritePathTypes.includes(rewritePathType)) {
+        return {
+            isValid: false,
+            error: `Invalid rewritePathType: ${rewritePathType}. Must be one of: ${validRewritePathTypes.join(", ")}`
+        };
+    }
+
+    if (pathMatchType === "regex") {
+        try {
+            new RegExp(path);
+        } catch (e) {
+            return {
+                isValid: false,
+                error: `Invalid regex pattern in path: ${path}`
+            };
+        }
+    }
+
+
+    // Additional validation for stripPrefix
+    if (rewritePathType === "stripPrefix") {
+        if (pathMatchType !== "prefix") {
+            logger.warn(`stripPrefix rewrite type is most effective with prefix path matching. Current match type: ${pathMatchType}`);
+        }
+    }
+
+    return { isValid: true };
+}
+