8e4a0deec8
This works very well, just need to determine what routes will be protected and such. For now, a simple system is setup, with more to come. For now, this is a WIP and needs some light work. But auth is almost complete.
88 lines
2.4 KiB
Go
88 lines
2.4 KiB
Go
package server
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import (
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"errors"
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"fmt"
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"log"
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"net/http"
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"github.com/gin-gonic/gin"
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"github.com/golang-jwt/jwt/v5"
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domain "github.com/haydenhargreaves/Potion/internal/domain/server"
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)
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// DepedencyInjectionMiddleware injects the dependencies into the context set. This is a middleware
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// that is used to apply the required services.
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func DepedencyInjectionMiddleware(deps *domain.InjectedDependencies) gin.HandlerFunc {
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return func(ctx *gin.Context) {
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ctx.Set("deps", deps)
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ctx.Next()
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}
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}
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func JwtAuthMiddleWare(jwtSecretKey []byte) gin.HandlerFunc {
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return func(ctx *gin.Context) {
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// NOTE: Option One: From auth header
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//
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// authHeader := ctx.GetHeader("Authorization")
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//
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// if authHeader == "" {
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// ctx.JSON(http.StatusUnauthorized, gin.H{"error": "Authorization required."})
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// ctx.Abort()
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// return
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// }
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//
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// parts := strings.SplitN(authHeader, " ", 2)
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// if !(len(parts) == 2 && parts[0] == "Bearer") {
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// ctx.JSON(http.StatusUnauthorized, gin.H{"error": "Authorization header must be Bearer token"})
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// ctx.Abort()
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// return
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// }
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//
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// tokenString := parts[1]
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// TODO: How are we handling faliure?
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tokenString, err := ctx.Cookie("jwt_token")
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if err != nil {
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ctx.JSON(http.StatusUnauthorized, gin.H{"error": "JWT token cookie not found"})
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ctx.Abort()
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return
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}
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claims := &domain.JwtClaims{}
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// token, err := jwt.ParseWithClaims(tokenString, claims, )
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token, err := jwt.ParseWithClaims(tokenString, claims, func(token *jwt.Token) (interface{}, error) {
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if _, ok := token.Method.(*jwt.SigningMethodHMAC); !ok {
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return nil, fmt.Errorf("unexpected signing method: %v", token.Header["alg"])
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}
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return jwtSecretKey, nil
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})
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if err != nil {
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if errors.Is(err, jwt.ErrSignatureInvalid) {
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ctx.JSON(http.StatusUnauthorized, gin.H{"error": "Invalid token signature"})
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} else if errors.Is(err, jwt.ErrTokenExpired) || errors.Is(err, jwt.ErrTokenNotValidYet) {
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ctx.JSON(http.StatusUnauthorized, gin.H{"error": "Token expired or not yet valid"})
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} else {
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log.Printf("JWT parsing error: %v", err)
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ctx.JSON(http.StatusUnauthorized, gin.H{"error": "Invalid token"})
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}
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ctx.Abort()
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return
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}
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if !token.Valid {
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ctx.JSON(http.StatusUnauthorized, gin.H{"error": "Invalid token"})
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ctx.Abort()
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return
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}
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// Found: Set the values
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ctx.Set("userId", claims.UserId)
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ctx.Set("userEmail", claims.Email)
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ctx.Next()
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}
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}
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