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//go:build go1.13
// +build go1.13
package sentryiris
import (
"context"
"fmt"
"net/http"
"time"
"github.com/getsentry/sentry-go"
"github.com/kataras/iris/v12"
)
// The identifier of the Iris SDK.
const (
sdkIdentifier = "sentry.go.iris"
valuesKey = "sentry"
transactionKey = "sentry_transaction"
)
type handler struct {
repanic bool
waitForDelivery bool
timeout time.Duration
}
type Options struct {
// Repanic configures whether Sentry should repanic after recovery, in most cases it should be set to true,
// as iris.Default includes it's own Recovery middleware what handles http responses.
Repanic bool
// WaitForDelivery configures whether you want to block the request before moving forward with the response.
// Because Iris's default Recovery handler doesn't restart the application,
// it's safe to either skip this option or set it to false.
WaitForDelivery bool
// Timeout for the event delivery requests.
Timeout time.Duration
}
// New returns a function that satisfies iris.Handler interface
// It can be used with Use() method.
func New(options Options) iris.Handler {
timeout := options.Timeout
if timeout == 0 {
timeout = 2 * time.Second
}
return (&handler{
repanic: options.Repanic,
timeout: timeout,
waitForDelivery: options.WaitForDelivery,
}).handle
}
func (h *handler) handle(ctx iris.Context) {
hub := sentry.GetHubFromContext(ctx.Request().Context())
if hub == nil {
hub = sentry.CurrentHub().Clone()
}
if client := hub.Client(); client != nil {
client.SetSDKIdentifier(sdkIdentifier)
}
r := ctx.Request()
options := []sentry.SpanOption{
sentry.ContinueTrace(hub, r.Header.Get(sentry.SentryTraceHeader), r.Header.Get(sentry.SentryBaggageHeader)),
sentry.WithOpName("http.server"),
sentry.WithTransactionSource(sentry.SourceRoute),
sentry.WithSpanOrigin(sentry.SpanOriginIris),
}
currentRoute := ctx.GetCurrentRoute()
transaction := sentry.StartTransaction(
sentry.SetHubOnContext(ctx, hub),
fmt.Sprintf("%s %s", currentRoute.Method(), currentRoute.Path()),
options...,
)
defer func() {
transaction.SetData("http.response.status_code", ctx.GetStatusCode())
transaction.Status = sentry.HTTPtoSpanStatus(ctx.GetStatusCode())
transaction.Finish()
}()
transaction.SetData("http.request.method", r.Method)
hub.Scope().SetRequest(r)
ctx.Values().Set(valuesKey, hub)
ctx.Values().Set(transactionKey, transaction)
defer h.recoverWithSentry(hub, r)
ctx.Next()
}
func (h *handler) recoverWithSentry(hub *sentry.Hub, r *http.Request) {
if err := recover(); err != nil {
eventID := hub.RecoverWithContext(
context.WithValue(r.Context(), sentry.RequestContextKey, r),
err,
)
if eventID != nil && h.waitForDelivery {
hub.Flush(h.timeout)
}
if h.repanic {
panic(err)
}
}
}
// GetHubFromContext retrieves attached *sentry.Hub instance from iris.Context.
func GetHubFromContext(ctx iris.Context) *sentry.Hub {
if hub, ok := ctx.Values().Get(valuesKey).(*sentry.Hub); ok {
return hub
}
return nil
}
// GetSpanFromContext retrieves attached *sentry.Span instance from iris.Context.
// If there is no transaction on iris.Context, it will return nil.
func GetSpanFromContext(ctx iris.Context) *sentry.Span {
if span, ok := ctx.Values().Get(transactionKey).(*sentry.Span); ok {
return span
}
return nil
}
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