Fixed cors error in the collabsection #100
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WalkthroughThe changes in this pull request involve updates to the CORS configuration in the Hono application. The Changes
Sequence Diagram(s)sequenceDiagram
participant Client
participant CORS Middleware
participant Server
Client->>CORS Middleware: Request with Origin
CORS Middleware->>CORS Middleware: Check if Origin in allowedOrigins
alt Origin Allowed
CORS Middleware-->>Client: Allow Request
else Origin Not Allowed
CORS Middleware-->>Client: Deny Request
end
Client->>Server: Send Request with Allowed Headers
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Actionable comments posted: 1
🧹 Outside diff range and nitpick comments (1)
apps/api/app/api/[[...route]]/route.ts (1)
Line range hint
19-23: Consider environment-based CORS configurationHard-coding allowed origins might cause issues across different environments (development, staging, production).
Consider moving the origins to environment variables:
-const allowedOrigins = [ - "http://localhost:3003", - "https://www.plura.pro", - "https://app.plura.pro", -]; +const allowedOrigins = (process.env.ALLOWED_ORIGINS || "") + .split(",") + .map(origin => origin.trim()) + .filter(Boolean);This would:
- Make the configuration more flexible across environments
- Support additional environments (staging, preview)
- Allow easy updates without code changes
📜 Review details
Configuration used: CodeRabbit UI
Review profile: CHILL
📒 Files selected for processing (1)
apps/api/app/api/[[...route]]/route.ts(1 hunks)
🔇 Additional comments (1)
apps/api/app/api/[[...route]]/route.ts (1)
39-39: Consider additional security headers and HTTP methods
The current configuration covers basic functionality but could be enhanced for better security and API compatibility.
Consider these additions:
allowMethods: ["GET", "POST", "OPTIONS"],
- allowHeaders:["Content-Type","Authorization"]
+ allowHeaders: [
+ "Content-Type",
+ "Authorization",
+ "X-Requested-With",
+ "Accept",
+ "Origin"
+ ],
+ // Add security headers
+ exposeHeaders: ["Content-Length", "X-Content-Type-Options"],
+ // Add credentials support if needed
+ credentials: true,Also, verify if PATCH and DELETE methods are needed since they're exported but not included in allowMethods.
✅ Verification successful
CORS configuration is appropriate for current API usage
The current CORS configuration with GET, POST, and OPTIONS methods aligns with the actual API usage, as verified through codebase analysis showing no evidence of PATCH or DELETE endpoints. While the suggested security headers would enhance the configuration, the current setup provides the essential headers needed for basic functionality.
- The current
allowHeadersconfiguration covers the critical headers needed for authentication and content negotiation - The
allowMethodslist accurately reflects the implemented HTTP methods
🏁 Scripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash
# Check for PATCH/DELETE usage in API routes
echo "Checking for PATCH/DELETE method usage..."
rg -l "app\.(patch|delete)\(" apps/api/
Length of output: 134
Script:
#!/bin/bash
# Let's try a different approach to find HTTP method handlers
# Search for route handlers with PATCH or DELETE methods
rg -i "(patch|delete).*=.*async" apps/api/
# Also check for Next.js route handlers
rg -i "export async function (patch|delete)" apps/api/
# And check for any mentions of these methods in route configurations
rg -i "method.*['\"]?(patch|delete)['\"]?" apps/api/
Length of output: 160
| origin: (origin)=> { | ||
| if(allowedOrigins.includes(origin)){ | ||
| return origin | ||
| } | ||
| return null; | ||
| }, // Allow requests from your frontend origin |
There was a problem hiding this comment.
🛠️ Refactor suggestion
Enhance CORS origin validation robustness
While the basic origin validation is good, the implementation could be more secure and robust.
Consider this enhanced implementation:
- origin: (origin)=> {
- if(allowedOrigins.includes(origin)){
- return origin
- }
- return null;
- },
+ origin: (origin) => {
+ // Handle cases where origin is undefined (e.g., same-origin requests)
+ if (!origin) return null;
+
+ // Normalize the origin by trimming and converting to lowercase
+ const normalizedOrigin = origin.trim().toLowerCase();
+
+ // Check against normalized allowed origins
+ if (allowedOrigins.map(o => o.toLowerCase()).includes(normalizedOrigin)) {
+ return origin;
+ }
+
+ return null;
+ },📝 Committable suggestion
‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.
| origin: (origin)=> { | |
| if(allowedOrigins.includes(origin)){ | |
| return origin | |
| } | |
| return null; | |
| }, // Allow requests from your frontend origin | |
| origin: (origin) => { | |
| // Handle cases where origin is undefined (e.g., same-origin requests) | |
| if (!origin) return null; | |
| // Normalize the origin by trimming and converting to lowercase | |
| const normalizedOrigin = origin.trim().toLowerCase(); | |
| // Check against normalized allowed origins | |
| if (allowedOrigins.map(o => o.toLowerCase()).includes(normalizedOrigin)) { | |
| return origin; | |
| } | |
| return null; | |
| }, // Allow requests from your frontend origin |
Summary by CodeRabbit