2fas-server/internal/api/mobile/app/security/middleware.go
2022-12-31 10:22:38 +01:00

47 lines
1.1 KiB
Go

package security
import (
"context"
"fmt"
"github.com/2fas/api/internal/common/logging"
"github.com/2fas/api/internal/common/rate_limit"
"github.com/gin-gonic/gin"
"strings"
"time"
)
var mobileApiBandwidthAbuseThreshold = 100
func MobileIpAbuseAuditMiddleware(rateLimiter rate_limit.RateLimiter) gin.HandlerFunc {
return func(c *gin.Context) {
deviceId := c.Param("device_id")
extensionId := c.Param("extension_id")
if deviceId == "" && extensionId == "" {
return
}
key := strings.TrimSuffix(
fmt.Sprintf("security.api.mobile.bandwidth.%s.%s", deviceId, extensionId),
".",
)
rate := rate_limit.Rate{
TimeUnit: time.Minute,
Limit: mobileApiBandwidthAbuseThreshold,
}
limitReached := rateLimiter.Test(context.Background(), key, rate)
if limitReached {
logging.WithFields(logging.Fields{
"type": "security",
"uri": c.Request.URL.String(),
"device_id": deviceId,
"browser_extension_id": extensionId,
"ip": c.ClientIP(),
}).Warning("API potentially abused at mobile scope")
}
}
}