Potion/internal/app/server/middleware.go
Hayden Hargreaves dd43845138 (FEAT): Logger is implemented!
However, its not used everywhere and the ENV needs work. Lots of work...
2026-01-26 22:41:40 -07:00

120 lines
3.9 KiB
Go

package server
import (
"fmt"
"net/http"
"runtime/debug"
"github.com/gin-gonic/gin"
"github.com/golang-jwt/jwt/v5"
domain "github.com/haydenhargreaves/Potion/internal/domain/server"
"github.com/haydenhargreaves/Potion/internal/infrastructure/logging"
)
// DepedencyInjectionMiddleware injects the dependencies into the context set. This is a middleware
// that is used to apply the required services.
//
// DEPRECATED: As of September 4th, 2025.
// func DepedencyInjectionMiddleware(deps *domain.InjectedDependencies) gin.HandlerFunc {
// return func(ctx *gin.Context) {
// ctx.Set("deps", deps)
// ctx.Next()
// }
// }
// JwtAuthMiddleWare handles collection the JWT from the browser's cookies and setting the
// appropriate data. If the data is not found, this middleware will do effectively nothing, by not
// setting any values. Protected routes can use this lack of a value as a sign that the user is not
// logged in and direct the user to login.
func JwtAuthMiddleWare(jwtSecretKey []byte) gin.HandlerFunc {
return func(ctx *gin.Context) {
// JWT cookie not found
tokenString, err := ctx.Cookie("jwt_token")
if err != nil {
ctx.Next()
return
}
claims := &domain.JwtClaims{}
token, err := jwt.ParseWithClaims(tokenString, claims, func(token *jwt.Token) (interface{}, error) {
if _, ok := token.Method.(*jwt.SigningMethodHMAC); !ok {
return nil, fmt.Errorf("unexpected signing method: %v", token.Header["alg"])
}
return jwtSecretKey, nil
})
// Error occurred when parsing
if err != nil {
ctx.Next()
return
}
// NOTE: If we need deeper error handling
// if err != nil {
// if errors.Is(err, jwt.ErrSignatureInvalid) {
// ctx.JSON(http.StatusUnauthorized, gin.H{"error": "Invalid token signature"})
// } else if errors.Is(err, jwt.ErrTokenExpired) || errors.Is(err, jwt.ErrTokenNotValidYet) {
// ctx.JSON(http.StatusUnauthorized, gin.H{"error": "Token expired or not yet valid"})
// } else {
// log.Printf("JWT parsing error: %v", err)
// ctx.JSON(http.StatusUnauthorized, gin.H{"error": "Invalid token"})
// }
// ctx.Abort()
// return
// }
// Token is invalid
if !token.Valid {
ctx.Next()
return
}
// Found: Set the values
ctx.Set("userId", claims.UserId)
ctx.Set("userEmail", claims.Email)
ctx.Next()
}
}
func RecoveryMiddleware(logs []logging.Logger) gin.HandlerFunc {
return func(ctx *gin.Context) {
defer func() {
if r := recover(); r != nil {
// Log the panic with stack trace
err := fmt.Errorf("panic recovered: %v\n%s", r, debug.Stack())
logging.LogAll(logs, logging.LogLevelFatal, "[PANIC RECOVERY] %s\n", err)
ctx.JSON(http.StatusOK, gin.H{
"status": http.StatusOK,
"error": "API_PANIC_RECOVERED",
"message": err.Error(),
})
// Determine the content type of the request for appropriate response
// acceptHeader := ctx.Request.Header.Get("Accept")
//
// // Customize the response based on the request type (e.g., HTML vs. JSON)
// if strings.Contains(acceptHeader, "text/html") {
// // For browser requests (HTML), redirect to an error page or render a template
// ctx.HTML(http.StatusInternalServerError, "error.html", gin.H{
// "title": "Something went wrong",
// "message": "An unexpected error occurred. Please try again later.",
// })
// } else if strings.Contains(acceptHeader, "application/json") || ctx.Request.Method == http.MethodPost {
// // For API requests (JSON), return a JSON error response
// ctx.AbortWithStatusJSON(http.StatusInternalServerError, gin.H{
// "error": "An internal server error occurred.",
// "message": "We're working to fix the problem. Please try again later.",
// // You might include a unique error ID here for tracking
// })
// } else {
// // Fallback for other content types
// ctx.AbortWithStatus(http.StatusInternalServerError)
// }
}
}()
ctx.Next()
}
}