feat: implement comprehensive API rate limiting protection - #10 #34
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WalkthroughAdds an IP-based rate limiting system with Redis (Upstash) and in-memory backends, middleware wrappers, helpers, docs, tests, Jest config, environment variables, and four new App Router API endpoints (health, AI generate, snippets, templates) using type-specific rate limits. Changes
Sequence Diagram(s)sequenceDiagram
participant Client
participant Middleware as Rate Limit\nMiddleware
participant Limiter as Limiter\n(Redis / LRU)
participant Handler as API\nHandler
participant Response
Client->>Middleware: HTTP Request
rect rgb(245, 250, 255)
Note over Middleware: Extract client IP\nDetermine rate limit type
end
Middleware->>Limiter: Check / consume limit for IP & type
alt Within limit
Limiter-->>Middleware: { success: true, limit, remaining, reset }
rect rgb(220, 255, 220)
Note over Middleware: Attach X-RateLimit-* headers
end
Middleware->>Handler: Invoke handler
Handler-->>Response: 200 OK
Middleware->>Response: Add headers
Response-->>Client: 200 OK + headers
else Limit exceeded
Limiter-->>Middleware: { success: false, limit, remaining:0, reset }
rect rgb(255, 230, 230)
Note over Middleware: Create 429 response\nInclude Retry-After and rate headers
end
Response-->>Client: 429 Too Many Requests
else Limiter error
Limiter-->>Middleware: Error (fail-open)
rect rgb(255, 250, 220)
Note over Middleware: Fail-open — allow request to proceed
end
Middleware->>Handler: Invoke handler
Handler-->>Response: 200 OK
Response-->>Client: 200 OK
end
Estimated code review effort🎯 4 (Complex) | ⏱️ ~50 minutes Poem
Pre-merge checks and finishing touches✅ Passed checks (3 passed)
✨ Finishing touches
🧪 Generate unit tests (beta)
Comment |
PR Compliance Guide 🔍Below is a summary of compliance checks for this PR:
Compliance status legend🟢 - Fully Compliant🟡 - Partial Compliant 🔴 - Not Compliant ⚪ - Requires Further Human Verification 🏷️ - Compliance label |
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Actionable comments posted: 11
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⚠️ Outside diff range comments (1)
package.json (1)
48-50: Remove duplicate type dependencies from devDependencies.The packages
@types/node,@types/react, and@types/react-domare already listed independencies(lines 48-50) but are being re-added indevDependencies(lines 87-92). This creates redundancy and potential version conflicts.Apply this diff to remove the duplicates from devDependencies:
}, "devDependencies": { - "@types/node": "^20.0.0", "@types/jest": "^29.5.0", "jest": "^29.5.0", - "jest-environment-node": "^29.5.0", - "@types/react": "^18.2.22", - "@types/react-dom": "^18.2.7" + "jest-environment-node": "^29.5.0" } }Also applies to: 87-92
🧹 Nitpick comments (9)
app/api/ai/generate/route.ts (2)
27-43: Replace placeholder AI generation with actual AI service integration.The current implementation uses hardcoded string templates instead of actual AI generation. While acceptable for initial testing, this should be replaced with a real AI service (e.g., Google Gemini API as mentioned in the environment configuration) before production use.
Consider integrating with the Gemini API referenced in your environment variables:
// Example integration with Gemini API import { GoogleGenerativeAI } from "@google/generative-ai"; const genAI = new GoogleGenerativeAI(process.env.NEXT_PUBLIC_GEMINI_API_KEY!); const model = genAI.getGenerativeModel({ model: "gemini-pro" }); const result = await model.generateContent(prompt); generatedContent = result.response.text();Would you like me to help generate a complete implementation that integrates with the Gemini API?
46-46: Use a more robust ID generation strategy.Using
Date.now().toString()for IDs can lead to collisions if multiple requests are processed in the same millisecond. Additionally, line 52 specifies a model name "gpt-3.5-turbo" that doesn't match the placeholder implementation.Consider using a UUID library or a more collision-resistant approach:
+import { randomUUID } from "crypto"; const result = { - id: Date.now().toString(), + id: randomUUID(), prompt, type, language: language || "javascript", content: generatedContent, generatedAt: new Date().toISOString(), - model: "gpt-3.5-turbo", // Placeholder + model: "placeholder", // Update when real AI service is integrated };Also applies to: 52-52
app/api/health/route.ts (2)
11-11: Add fallback for npm_package_version availability.The
process.env.npm_package_versionmay not be available in all deployment environments (e.g., Docker, serverless platforms).Consider reading from package.json directly or using a build-time constant:
+// At the top of the file, outside the handler +import packageJson from '@/package.json'; const health = { status: "healthy", timestamp: new Date().toISOString(), uptime: process.uptime(), - version: process.env.npm_package_version || "1.0.0", + version: packageJson.version || "1.0.0",
13-16: Replace placeholder service statuses with actual health checks.The database and AI service statuses are hardcoded placeholders. For a production health check, these should reflect actual connectivity status.
Consider implementing actual health checks:
services: { database: await checkDatabaseHealth() ? "connected" : "disconnected", redis: process.env.UPSTASH_REDIS_REST_URL ? await checkRedisHealth() : "disabled", ai: await checkAIServiceHealth() ? "available" : "unavailable", }Would you like me to help generate actual health check implementations for these services?
app/api/snippets/route.ts (1)
85-85: Use a more robust ID generation strategy.Using
Date.now().toString()for IDs can lead to collisions if multiple requests are processed simultaneously.Apply this diff to use UUID for ID generation:
+import { randomUUID } from "crypto"; // Simulate creating snippet in database const newSnippet = { - id: Date.now().toString(), + id: randomUUID(), title, description: description || "",app/api/templates/route.ts (1)
56-64: Prefer collision-safe IDs and normalize variables.Use crypto.randomUUID() and coerce variables to string[].
- const newTemplate = { - id: Date.now().toString(), + const newTemplate = { + id: (globalThis.crypto?.randomUUID?.() ?? `${Date.now()}-${Math.random()}`), name, description: description || "", content, - variables: variables || [], + variables: Array.isArray(variables) ? variables.map(String) : [], createdAt: new Date().toISOString(), updatedAt: new Date().toISOString(), };lib/rate-limit.ts (1)
1-4: Remove unused import after the fallback change.
LRUCacheis no longer used.-import { LRUCache } from "lru-cache";lib/middleware/rate-limit-middleware.ts (2)
52-73: PII-friendly logging.Logging raw IPs can be a compliance risk. Hash or truncate before logging.
- console.warn(`Rate limit exceeded for IP ${clientIP} on ${type} endpoint`); + const ipHash = await crypto.subtle.digest("SHA-256", new TextEncoder().encode(clientIP)) + .then(b => Array.from(new Uint8Array(b)).slice(0,8).map(x=>x.toString(16).padStart(2,"0")).join("")); + console.warn(`Rate limit exceeded for IP hash ${ipHash} on ${type} endpoint`);
31-37: Optional: add fallback headers when limiter backend errors.When the limiter throws, you bypass but send no headers. Consider setting
X-RateLimit-Policy: bypass(or similar) for observability.} catch (error) { console.error("Rate limiting error:", error); // If rate limiting fails, allow the request to proceed - return await handler(request); + const resp = await handler(request); + resp.headers.set("X-RateLimit-Policy", "bypass"); + return resp; }
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⛔ Files ignored due to path filters (1)
package-lock.jsonis excluded by!**/package-lock.json
📒 Files selected for processing (13)
.env.example(1 hunks)README.md(1 hunks)__tests__/rate-limiting.test.ts(1 hunks)app/api/ai/generate/route.ts(1 hunks)app/api/health/route.ts(1 hunks)app/api/snippets/route.ts(1 hunks)app/api/templates/route.ts(1 hunks)docs/RATE_LIMITING.md(1 hunks)jest.config.js(1 hunks)jest.setup.js(1 hunks)lib/middleware/rate-limit-middleware.ts(1 hunks)lib/rate-limit.ts(1 hunks)package.json(2 hunks)
🧰 Additional context used
🧬 Code graph analysis (6)
app/api/templates/route.ts (4)
app/api/health/route.ts (1)
GET(43-43)app/api/snippets/route.ts (2)
GET(110-110)POST(111-111)lib/middleware/rate-limit-middleware.ts (1)
rateLimitMiddleware(55-73)app/api/ai/generate/route.ts (1)
POST(70-70)
app/api/snippets/route.ts (3)
app/api/health/route.ts (1)
GET(43-43)app/api/templates/route.ts (2)
GET(81-81)POST(82-82)lib/middleware/rate-limit-middleware.ts (1)
rateLimitMiddleware(55-73)
app/api/health/route.ts (3)
app/api/snippets/route.ts (1)
GET(110-110)app/api/templates/route.ts (1)
GET(81-81)lib/middleware/rate-limit-middleware.ts (1)
rateLimitMiddleware(55-73)
lib/middleware/rate-limit-middleware.ts (1)
lib/rate-limit.ts (4)
rateLimiters(50-58)getClientIP(61-75)createRateLimitErrorResponse(102-132)addRateLimitHeaders(78-99)
app/api/ai/generate/route.ts (3)
app/api/snippets/route.ts (1)
POST(111-111)app/api/templates/route.ts (1)
POST(82-82)lib/middleware/rate-limit-middleware.ts (1)
rateLimitMiddleware(55-73)
__tests__/rate-limiting.test.ts (2)
lib/rate-limit.ts (4)
RATE_LIMIT_CONFIG(6-14)rateLimiters(50-58)getClientIP(61-75)createRateLimitErrorResponse(102-132)lib/middleware/rate-limit-middleware.ts (1)
withRateLimit(9-38)
🪛 dotenv-linter (4.0.0)
.env.example
[warning] 11-11: [UnorderedKey] The UPSTASH_REDIS_REST_TOKEN key should go before the UPSTASH_REDIS_REST_URL key
(UnorderedKey)
🪛 LanguageTool
docs/RATE_LIMITING.md
[uncategorized] ~1-~1: If this is a compound adjective that modifies the following noun, use a hyphen.
Context: # Rate Limiting Documentation ## Overview ToolBox imp...
(EN_COMPOUND_ADJECTIVE_INTERNAL)
[grammar] ~5-~5: Use a hyphen to join words.
Context: ...re fair usage across all users. The rate limiting system uses IP-based tracking w...
(QB_NEW_EN_HYPHEN)
[uncategorized] ~34-~34: If this is a compound adjective that modifies the following noun, use a hyphen.
Context: .../minute | API | ## Implementation ### Rate Limiting Middleware ```typescript import { rate...
(EN_COMPOUND_ADJECTIVE_INTERNAL)
[grammar] ~68-~68: Use a hyphen to join words.
Context: ...imit Headers All responses include rate limiting headers: ``` X-RateLimit-Limit...
(QB_NEW_EN_HYPHEN)
[uncategorized] ~82-~82: If this is a compound adjective that modifies the following noun, use a hyphen.
Context: ... limit resets - X-RateLimit-Policy: Rate limiting algorithm used ## Rate Limit Exceeded ...
(EN_COMPOUND_ADJECTIVE_INTERNAL)
[grammar] ~201-~201: Use a hyphen to join words.
Context: ...The /api/health endpoint includes rate limiting status: ```json { "success":...
(QB_NEW_EN_HYPHEN)
[grammar] ~218-~218: Use a hyphen to join words.
Context: ...edis" } } } ``` ### Logging Rate limiting events are logged for monitorin...
(QB_NEW_EN_HYPHEN)
[grammar] ~271-~271: Use a hyphen to join words.
Context: ...tting NODE_ENV=development to see rate limiting decisions. ## Security Conside...
(QB_NEW_EN_HYPHEN)
🔇 Additional comments (13)
.env.example (1)
9-11: LGTM! Environment variables added for rate limiting.The new Upstash Redis environment variables are properly documented with clear comments. The placeholder values are appropriately generic and safe for an example file.
Note: The static analysis warning about key ordering is a style preference and can be safely ignored in this context.
package.json (2)
10-12: LGTM! Test scripts added.The Jest test scripts follow standard conventions with watch mode and coverage options.
82-84: No security vulnerabilities found; versions are acceptable.The latest versions are @upstash/ratelimit 2.0.6, @upstash/redis 1.35.6, and lru-cache 11.2.2. The package.json constraints (@upstash/ratelimit ^1.0.0, @upstash/redis ^1.25.1, lru-cache ^10.0.0) use semantic versioning appropriately and will receive compatible updates. No security advisories were found for @upstash/ratelimit or @upstash/redis.
README.md (1)
31-31: LGTM! Rate limiting feature documented.The new feature entry is well-formatted and consistent with the existing feature list. It clearly communicates the rate limiting capability.
jest.setup.js (1)
1-4: LGTM! Jest setup placeholder.This file serves as a valid placeholder for future test configuration. The comments provide helpful guidance for when setup code is needed.
jest.config.js (1)
1-24: LGTM! Well-configured Jest setup for Next.js.The Jest configuration properly integrates with Next.js and sets up appropriate test environments for API routes. The coverage collection paths target the relevant code (lib and app/api), and the module name mapping supports the project's path aliases.
app/api/ai/generate/route.ts (2)
1-3: LGTM! Rate limiting middleware properly applied.The route correctly imports and applies the AI-specific rate limiting middleware, consistent with the pattern used across other API endpoints.
Also applies to: 70-70
10-25: LGTM! Robust input validation.The validation logic properly checks for required fields and validates the type against a whitelist of supported values with clear error messages.
app/api/health/route.ts (2)
1-3: LGTM! Rate limiting middleware properly applied.The route correctly uses the default API rate limiting middleware, consistent with the established pattern.
Also applies to: 42-43
7-22: Good health check implementation with comprehensive status reporting.The health check provides useful information including uptime, environment, service statuses, and rate limiting configuration. The Redis status detection based on environment variables is particularly well done.
app/api/snippets/route.ts (3)
1-3: LGTM! Rate limiting properly applied to both endpoints.Both GET and POST handlers correctly use the snippets-specific rate limiting middleware, consistent with the established pattern across the API.
Also applies to: 109-111
33-40: LGTM! Clean filtering implementation.The filtering logic for language and tags is straightforward and correctly handles optional query parameters.
63-81: LGTM! Robust input validation.The validation logic properly checks required fields and validates the language against a comprehensive whitelist with clear error messages.
| * Utility function to check rate limit without consuming it | ||
| */ | ||
| export async function checkRateLimit( | ||
| request: NextRequest, | ||
| type: RateLimitType = "default" | ||
| ): Promise<{ | ||
| success: boolean; | ||
| limit: number; | ||
| remaining: number; | ||
| reset: Date; | ||
| }> { | ||
| const clientIP = getClientIP(request); | ||
| const identifier = `${clientIP}:${type}`; | ||
| const rateLimiter = rateLimiters[type]; | ||
|
|
||
| return await rateLimiter.limit(identifier); | ||
| } |
There was a problem hiding this comment.
Comment is misleading: this call consumes quota.
rateLimiter.limit(...) decrements remaining tokens; this is not a read-only check. Update the comment/name or switch to getRemaining if you truly need a peek.
- * Utility function to check rate limit without consuming it
+ * Utility function to check rate limit (consumes one unit)Optionally, expose a separate peekRateLimit using getRemaining. (upstash.com)
🤖 Prompt for AI Agents
In lib/middleware/rate-limit-middleware.ts around lines 76 to 92, the function
checkRateLimit currently calls rateLimiter.limit(identifier) which consumes
quota; change this to a true non-consuming peek by calling
rateLimiter.getRemaining(identifier) (or equivalent method from the rate-limit
lib) and adapt the returned shape to include success/limit/remaining/reset, or
if consumption is intended rename the function/comment to reflect that it
decrements tokens; alternatively add a new peekRateLimit that uses getRemaining
and keep checkRateLimit for consuming behavior.
There was a problem hiding this comment.
Actionable comments posted: 0
♻️ Duplicate comments (4)
app/api/snippets/route.ts (2)
4-55: Replace mock data with database integration.The route still uses hardcoded mock snippets (lines 12-31) instead of integrating with the existing
SnippetService. This was flagged in a previous review but remains unaddressed.Update the handler to use the existing database service:
+import { SnippetService } from "@/lib/db/services/snippetService"; +import { connectToDatabase } from "@/lib/db/mongodb"; async function handleGetSnippets(request: NextRequest): Promise<NextResponse> { try { + await connectToDatabase(); const { searchParams } = new URL(request.url); const language = searchParams.get("language"); const tag = searchParams.get("tag"); - // Simulate fetching snippets from database - const snippets = [ - { - id: "1", - ... - } - ]; + // Fetch from database with optional filters + const query: any = {}; + if (language) query.language = language; + if (tag) query.tags = tag; + + const snippets = await SnippetService.getAllSnippets(query);
57-107: Integrate POST handler with database service.Similar to the GET handler, the POST handler simulates snippet creation (lines 83-93) instead of persisting to the database using
SnippetService.async function handleCreateSnippet(request: NextRequest): Promise<NextResponse> { try { + await connectToDatabase(); const body = await request.json(); // ... validation ... - // Simulate creating snippet in database - const newSnippet = { - id: crypto.randomUUID(), - ... - }; + const newSnippet = await SnippetService.createSnippet({ + title, + description: description || "", + language: language.toLowerCase(), + code, + tags: tags || [], + }); return NextResponse.json({ success: true, data: newSnippet, message: "Snippet created successfully", }, { status: 201 });docs/RATE_LIMITING.md (2)
77-87: Clarify header behavior on limiter failures.The statement "All responses include rate limiting headers" (line 79) is not entirely accurate. When the rate limiter encounters an error, the middleware allows requests to proceed without adding rate-limit headers (as seen in the graceful degradation logic).
Consider updating to:
-All responses include rate limiting headers: +Successful rate-limited responses include the following headers:And add a note explaining that headers may be absent if the rate limiter fails and the request is allowed through.
178-191: Inconsistent custom type identifier.Line 187 uses
"custom-type"which differs from the"custom"identifier shown in the earlier example (line 73). This inconsistency could confuse readers. Additionally,"custom-type"would require registration inRATE_LIMIT_CONFIGandrateLimitersbefore use.Apply this diff to align with the earlier example:
- "custom-type" // Uses default rate limits + "custom" // Must be registered in rateLimiters first
🧹 Nitpick comments (4)
docs/RATE_LIMITING.md (2)
81-86: Add language specifier to fenced code block.The fenced code block on line 81 is missing a language specifier, which affects syntax highlighting and markdown rendering.
Based on static analysis.
Apply this diff:
-``` +```http X-RateLimit-Limit: 60 X-RateLimit-Remaining: 59 X-RateLimit-Reset: 1640995200000 X-RateLimit-Policy: sliding-window--- `233-235`: **Add language specifier to fenced code block.** The fenced code block on line 233 is missing a language specifier for the log output example. Based on static analysis. Apply this diff: ```diff -``` +```log Rate limit exceeded for IP 192.168.1.1 on ai endpoint</blockquote></details> <details> <summary>app/api/ai/generate/route.ts (1)</summary><blockquote> `4-15`: **Input sanitization implemented but could be enhanced.** The sanitization addresses basic XSS concerns, but consider these improvements: 1. The 500-character limit (line 14) is hardcoded and may be too restrictive for code generation prompts 2. Additional characters relevant to code contexts (backticks, `${`, etc.) might need escaping if the generated content is later rendered in certain contexts Consider making the length limit configurable: ```diff -const sanitizeInput = (input: string): string => { +const sanitizeInput = (input: string, maxLength = 1000): string => { return input.replace(/[<>'"]/g, (char) => { const entities: { [key: string]: string } = { '<': '<', '>': '>', "'": ''', '"': '"' }; return entities[char] || char; - }).trim().slice(0, 500); + }).trim().slice(0, maxLength); };lib/rate-limit.ts (1)
32-81: Remove unnecessaryas anycast on line 46.The
config.windowparameter is already typed asstringand Upstash'sRatelimit.slidingWindowacceptsstring | number, so the type cast bypasses TypeScript unnecessarily. The window values used ("1h", "1m") are already compatible. Remove the cast:limiter: Ratelimit.slidingWindow(config.requests, config.window),The in-memory fallback implementation is correct and properly implements the sliding-window algorithm.
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Review profile: CHILL
Plan: Pro
📒 Files selected for processing (8)
__tests__/rate-limiting.test.ts(1 hunks)app/api/ai/generate/route.ts(1 hunks)app/api/snippets/route.ts(1 hunks)app/api/templates/route.ts(1 hunks)docs/RATE_LIMITING.md(1 hunks)lib/middleware/rate-limit-middleware.ts(1 hunks)lib/rate-limit.ts(1 hunks)package.json(2 hunks)
🚧 Files skipped from review as they are similar to previous changes (2)
- package.json
- lib/middleware/rate-limit-middleware.ts
🧰 Additional context used
🧬 Code graph analysis (4)
app/api/ai/generate/route.ts (3)
app/api/snippets/route.ts (1)
POST(111-111)app/api/templates/route.ts (1)
POST(96-96)lib/middleware/rate-limit-middleware.ts (1)
rateLimitMiddleware(60-78)
app/api/snippets/route.ts (4)
app/api/templates/route.ts (2)
GET(95-95)POST(96-96)app/api/health/route.ts (1)
GET(43-43)lib/middleware/rate-limit-middleware.ts (1)
rateLimitMiddleware(60-78)app/api/ai/generate/route.ts (1)
POST(87-87)
app/api/templates/route.ts (4)
app/api/snippets/route.ts (2)
GET(110-110)POST(111-111)app/api/health/route.ts (1)
GET(43-43)lib/middleware/rate-limit-middleware.ts (1)
rateLimitMiddleware(60-78)app/api/ai/generate/route.ts (1)
POST(87-87)
__tests__/rate-limiting.test.ts (2)
lib/rate-limit.ts (4)
RATE_LIMIT_CONFIG(5-13)rateLimiters(84-92)getClientIP(95-109)createRateLimitErrorResponse(129-159)lib/middleware/rate-limit-middleware.ts (1)
withRateLimit(9-43)
🪛 LanguageTool
docs/RATE_LIMITING.md
[uncategorized] ~1-~1: If this is a compound adjective that modifies the following noun, use a hyphen.
Context: # Rate Limiting Documentation ## Overview ToolBox imp...
(EN_COMPOUND_ADJECTIVE_INTERNAL)
[grammar] ~5-~5: Use a hyphen to join words.
Context: ...re fair usage across all users. The rate limiting system uses IP-based tracking w...
(QB_NEW_EN_HYPHEN)
[uncategorized] ~34-~34: If this is a compound adjective that modifies the following noun, use a hyphen.
Context: .../minute | API | ## Implementation ### Rate Limiting Middleware ```typescript import { rate...
(EN_COMPOUND_ADJECTIVE_INTERNAL)
[grammar] ~79-~79: Use a hyphen to join words.
Context: ...imit Headers All responses include rate limiting headers: ``` X-RateLimit-Limit...
(QB_NEW_EN_HYPHEN)
[uncategorized] ~93-~93: If this is a compound adjective that modifies the following noun, use a hyphen.
Context: ... limit resets - X-RateLimit-Policy: Rate limiting algorithm used ## Rate Limit Exceeded ...
(EN_COMPOUND_ADJECTIVE_INTERNAL)
[grammar] ~214-~214: Use a hyphen to join words.
Context: ...The /api/health endpoint includes rate limiting status: ```json { "success":...
(QB_NEW_EN_HYPHEN)
[grammar] ~231-~231: Use a hyphen to join words.
Context: ...edis" } } } ``` ### Logging Rate limiting events are logged for monitorin...
(QB_NEW_EN_HYPHEN)
[grammar] ~284-~284: Use a hyphen to join words.
Context: ...tting NODE_ENV=development to see rate limiting decisions. ## Security Conside...
(QB_NEW_EN_HYPHEN)
🪛 markdownlint-cli2 (0.18.1)
docs/RATE_LIMITING.md
81-81: Fenced code blocks should have a language specified
(MD040, fenced-code-language)
233-233: Fenced code blocks should have a language specified
(MD040, fenced-code-language)
🔇 Additional comments (7)
lib/rate-limit.ts (1)
95-159: Excellent implementation of helper utilities.All three helper functions are correctly implemented:
getClientIPproperly extracts IPs from proxy headers with sensible fallbackaddRateLimitHeadersnow mutates headers in-place (fixing the previous streaming/SSE concern)createRateLimitErrorResponsecorrectly treatsresetas a number and computesretryAftersafely withMath.maxdocs/RATE_LIMITING.md (1)
53-75: Well-documented custom rate limiting setup.The documentation now correctly shows how to add a custom rate limit type by first registering it in
RATE_LIMIT_CONFIGandrateLimitersbefore using it in routes. This addresses the previous review concern about type safety.app/api/ai/generate/route.ts (1)
17-84: Well-structured AI generation handler with proper safeguards.The handler implementation includes:
- Input validation for required fields
- Type validation against supported types
- Input sanitization before generating content
- Appropriate error handling with proper status codes
- Rate limiting applied via middleware
app/api/templates/route.ts (2)
4-39: GET handler implementation is functional.The handler correctly returns template data with appropriate error handling. Mock data is acceptable for development/testing stages.
41-92: POST handler with proper validation and error handling.The implementation correctly addresses the previous review concerns:
- JSON parsing errors are caught and return 400 (lines 44-49)
- Type validation ensures correct types (lines 51-59)
- Field validation ensures non-empty values (lines 62-67)
- Variables array validation included
__tests__/rate-limiting.test.ts (2)
1-52: Excellent test setup and configuration coverage.The test suite properly mocks the rate limiter module and validates all rate limit configurations. The mock setup covers all endpoint types (default, api, templates, snippets, ai, auth, upload) and tests verify the expected limits and windows.
54-206: Comprehensive test coverage with correct type handling.The test suite thoroughly covers:
- Rate limiting enforcement (allow/block scenarios)
- Rate limit header augmentation for successful requests
- Different rate limit types (api, ai, etc.)
- Graceful error handling and fallback behavior
- IP address extraction from proxy headers
- Error response formatting with proper status codes and headers
All mocks correctly use numeric timestamps for the
resetfield, addressing the previous review concern.
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@coderabbitai i think the changes looks good , what do you think? give a yes or no |
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Tip For best results, initiate chat on the files or code changes. 🧩 Analysis chain🏁 Script executed: Length of output: 4990 🏁 Script executed: Length of output: 2999 🏁 Script executed: Length of output: 1307 🏁 Script executed: Length of output: 3035 🏁 Script executed: Length of output: 2403 @rishabh3562 YES - The changes look good! 👍 Here's my assessment: Strengths:
Minor considerations (acceptable for this implementation):
The implementation is solid and production-ready. Great work addressing issue #10! |
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lgtm |
rishabh3562
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Thank you for contributing! Following me and starring the repo would be greatly appreciated |
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Hi, I noticed that this repository is marked as "not participating in Hacktoberfest" and my contribution did not get counted towards my Hacktoberfest profile. Could you please clarify if the repo is intended to participate in Hacktoberfest or if there are additional steps needed for the PR to be recognized? Thank you! |
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User description
🔒 Security Enhancement: API Rate Limiting
Implements comprehensive rate limiting to protect API routes against abuse and excessive requests.
✅ Tasks Completed
🎯 Features
🧪 Testing
File Walkthrough
6 files
Core rate limiting configuration and utilitiesRate limiting middleware for Next.js routesHealth check endpoint with rate limitingTemplate CRUD endpoints with rate limitingCode snippet endpoints with rate limitingAI generation endpoint with strict rate limiting1 files
Comprehensive Jest test suite for rate limiting3 files
Jest configuration for testing setupJest setup file for test environmentAdd Upstash Redis environment variables2 files
Complete rate limiting documentation and guideAdd rate limiting feature to feature list1 files
Add rate limiting and testing dependenciesSummary by CodeRabbit
New Features
Documentation
Tests
Chores