Initial commit.

details.go

@@ -0,0 +1,38 @@
+package main
+
+import (
+	"encoding/base64"
+	"strings"
+
+	"github.com/lukaszraczylo/ask"
+	libpack_monitoring "github.com/telegram-bot-app/libpack/monitoring"
+)
+
+func extractClaimsFromJWTHeader(authorization string) (usr string) {
+	tokenParts := strings.Split(authorization, ".")
+	if len(tokenParts) != 3 {
+		cfg.Monitoring.Increment(libpack_monitoring.MetricsFailed, nil)
+		cfg.Logger.Error("Can't split the token", map[string]interface{}{"token": authorization})
+		return
+	}
+	claim, err := base64.RawURLEncoding.DecodeString(tokenParts[1])
+	if err != nil {
+		cfg.Monitoring.Increment(libpack_monitoring.MetricsFailed, nil)
+		cfg.Logger.Error("Can't decode the token", map[string]interface{}{"token": authorization})
+		return
+	}
+	var claimMap map[string]interface{}
+	err = json.Unmarshal(claim, &claimMap)
+	if err != nil {
+		cfg.Monitoring.Increment(libpack_monitoring.MetricsFailed, nil)
+		cfg.Logger.Error("Can't unmarshal the claim", map[string]interface{}{"token": authorization})
+		return
+	}
+	usr, ok := ask.For(claimMap, cfg.Client.JWTUserClaimPath).String("-")
+	if !ok {
+		cfg.Monitoring.Increment(libpack_monitoring.MetricsFailed, nil)
+		cfg.Logger.Error("Can't find the user id", map[string]interface{}{"claim_map": claimMap, "path": cfg.Client.JWTUserClaimPath})
+		return
+	}
+	return usr
+}