Scoped Branch - Rule Templates:

- Add rule templates for reusable access control rules
- Support template assignment to resources with automatic rule propagation
- Add template management UI
- Implement template rule protection on resource rules page

server/routers/ruleTemplate/addTemplateRule.ts

@@ -0,0 +1,161 @@
+import { Request, Response, NextFunction } from "express";
+import { z } from "zod";
+import { db } from "@server/db";
+import { templateRules, ruleTemplates } from "@server/db";
+import { eq, and } from "drizzle-orm";
+import response from "@server/lib/response";
+import HttpCode from "@server/types/HttpCode";
+import createHttpError from "http-errors";
+import logger from "@server/logger";
+import { fromError } from "zod-validation-error";
+import { isValidCIDR, isValidIP, isValidUrlGlobPattern } from "@server/lib/validators";
+
+const addTemplateRuleParamsSchema = z
+    .object({
+        orgId: z.string().min(1),
+        templateId: z.string().min(1)
+    })
+    .strict();
+
+const addTemplateRuleBodySchema = z
+    .object({
+        action: z.enum(["ACCEPT", "DROP"]),
+        match: z.enum(["CIDR", "IP", "PATH"]),
+        value: z.string().min(1),
+        priority: z.number().int().optional(),
+        enabled: z.boolean().optional()
+    })
+    .strict();
+
+export async function addTemplateRule(
+    req: Request,
+    res: Response,
+    next: NextFunction
+): Promise<any> {
+    try {
+        const parsedParams = addTemplateRuleParamsSchema.safeParse(req.params);
+        if (!parsedParams.success) {
+            return next(
+                createHttpError(
+                    HttpCode.BAD_REQUEST,
+                    fromError(parsedParams.error).toString()
+                )
+            );
+        }
+
+        const parsedBody = addTemplateRuleBodySchema.safeParse(req.body);
+        if (!parsedBody.success) {
+            return next(
+                createHttpError(
+                    HttpCode.BAD_REQUEST,
+                    fromError(parsedBody.error).toString()
+                )
+            );
+        }
+
+        const { orgId, templateId } = parsedParams.data;
+        const { action, match, value, priority, enabled = true } = parsedBody.data;
+
+        // Check if template exists and belongs to the organization
+        const existingTemplate = await db
+            .select()
+            .from(ruleTemplates)
+            .where(and(eq(ruleTemplates.orgId, orgId), eq(ruleTemplates.templateId, templateId)))
+            .limit(1);
+
+        if (existingTemplate.length === 0) {
+            return next(
+                createHttpError(
+                    HttpCode.NOT_FOUND,
+                    "Rule template not found"
+                )
+            );
+        }
+
+        // Validate the value based on match type
+        if (match === "CIDR" && !isValidCIDR(value)) {
+            return next(
+                createHttpError(
+                    HttpCode.BAD_REQUEST,
+                    "Invalid CIDR format"
+                )
+            );
+        }
+        if (match === "IP" && !isValidIP(value)) {
+            return next(
+                createHttpError(
+                    HttpCode.BAD_REQUEST,
+                    "Invalid IP address format"
+                )
+            );
+        }
+        if (match === "PATH" && !isValidUrlGlobPattern(value)) {
+            return next(
+                createHttpError(
+                    HttpCode.BAD_REQUEST,
+                    "Invalid URL pattern format"
+                )
+            );
+        }
+
+        // Check for duplicate rule
+        const existingRule = await db
+            .select()
+            .from(templateRules)
+            .where(and(
+                eq(templateRules.templateId, templateId),
+                eq(templateRules.action, action),
+                eq(templateRules.match, match),
+                eq(templateRules.value, value)
+            ))
+            .limit(1);
+
+        if (existingRule.length > 0) {
+            return next(
+                createHttpError(
+                    HttpCode.CONFLICT,
+                    "Rule already exists"
+                )
+            );
+        }
+
+        // Determine priority if not provided
+        let finalPriority = priority;
+        if (finalPriority === undefined) {
+            const maxPriority = await db
+                .select({ maxPriority: templateRules.priority })
+                .from(templateRules)
+                .where(eq(templateRules.templateId, templateId))
+                .orderBy(templateRules.priority)
+                .limit(1);
+
+            finalPriority = (maxPriority[0]?.maxPriority || 0) + 1;
+        }
+
+        // Add the rule
+        const [newRule] = await db
+            .insert(templateRules)
+            .values({
+                templateId,
+                action,
+                match,
+                value,
+                priority: finalPriority,
+                enabled
+            })
+            .returning();
+
+        return response(res, {
+            data: newRule,
+            success: true,
+            error: false,
+            message: "Template rule added successfully",
+            status: HttpCode.CREATED
+        });
+    } catch (error) {
+        logger.error(error);
+        return next(
+            createHttpError(HttpCode.INTERNAL_SERVER_ERROR, "An error occurred")
+        );
+    }
+}