132 lines
3.6 KiB
Go
132 lines
3.6 KiB
Go
package server
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import (
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"fmt"
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"net/http"
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"time"
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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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"github.com/haydenhargreaves/Potion/internal/infrastructure/logging"
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)
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// JwtAuthMiddlewareV2 is responsible for protecting routes. Anything that may go wrong
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// will be returned via JSON with a 'message' field and a 401 error code. When this
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// middleware is successful, it will set the 'userId' and 'userEmail' fields and pass
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// to the next function in the chain.
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//
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// Functions that are called after this can assume that those values defined are always
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// set.
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func JwtAuthMiddlewareV2(jwtSecretKey []byte) gin.HandlerFunc {
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return func(ctx *gin.Context) {
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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{
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"status": http.StatusUnauthorized,
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"message": fmt.Sprintf("[UNAUTHORIZED] Failed to get token from cookie. %s", err.Error()),
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})
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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, 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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// Error occurred when parsing
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if err != nil {
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ctx.JSON(http.StatusUnauthorized, gin.H{
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"status": http.StatusUnauthorized,
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"message": fmt.Sprintf("[UNAUTHORIZED] Error parsing cooking. %s", err.Error()),
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})
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ctx.Abort()
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return
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}
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// Token is invalid
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if !token.Valid {
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ctx.JSON(http.StatusUnauthorized, gin.H{
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"status": http.StatusUnauthorized,
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"message": "[UNAUTHORIZED] Token is invalid.",
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})
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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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// JwtOptionalAuthMiddlewareV2 is responsible for collecting user data for routes where
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// authentication is optional. Meaning: if the use is not logged in, this function does
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// not fail or return, it simply does nothing. But if the user is logged in, then the
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// 'userId' and 'userEmail' context values are set.
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//
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// e.g., `userIdAny, exists := ctx.Get("userId")`
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func JwtOptionalAuthMiddlewareV2(jwtSecretKey []byte) gin.HandlerFunc {
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return func(ctx *gin.Context) {
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tokenString, err := ctx.Cookie("jwt_token")
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if err != nil || tokenString == "" {
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// No cookie found: not authenticated, but allow access
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ctx.Next()
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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, 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 && token.Valid {
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// Set user info in context if token is valid
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ctx.Set("userId", claims.UserId)
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ctx.Set("userEmail", claims.Email)
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}
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// Otherwise, just continue (user is unauthenticated)
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ctx.Next()
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}
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}
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func LoggingMiddleware(logs []logging.Logger) gin.HandlerFunc {
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// TODO: Need traces using IDs?
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return func(ctx *gin.Context) {
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start := time.Now()
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ctx.Next()
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var (
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status int = ctx.Writer.Status()
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latency string = time.Since(start).String()
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client string = ctx.ClientIP()
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method string = ctx.Request.Method
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path string = ctx.Request.URL.Path
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)
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// TODO: Add color to status
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format := "%d | %-14s | %15s | %-9s \"%s\""
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logging.LogAll(
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logs,
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logging.LogLevelInfo,
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format,
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status,
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latency,
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client,
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method,
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path,
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)
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}
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}
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