func (r recovery) Serve(ctx *iris.Context) {
defer func() {
if err := recover(); err != nil {
r.out.Write([]byte("[" + time.Now().String() + "]Recovery from panic \n"))
//ctx.Panic just sends http status 500 by default, but you can change it by: iris.OnPanic(func( c *iris.Context){})
ctx.Panic()
}
}()
ctx.Next()
}
// Serve the actual middleware
func (b *basicAuthMiddleware) Serve(ctx *iris.Context) {
if auth, found := b.findAuth(ctx.RequestHeader("Authorization")); !found {
/* I spent time for nothing
if b.banEnabled && auth != nil { // this propably never work
if auth.tries == b.config.MaxTries {
auth.bannedTime = time.Now()
auth.unbanTime = time.Now().Add(b.config.BanDuration) // set the unban time
auth.tries++ // we plus them in order to check if already banned later
// client is banned send a forbidden status and don't continue
ctx.SetStatusCode(iris.StatusForbidden)
return
} else if auth.tries > b.config.MaxTries { // it's already banned, so check the ban duration with the bannedTime
if time.Now().After(auth.unbanTime) { // here we unban the client
auth.tries = 0
auth.bannedTime = config.CookieExpireNever
auth.unbanTime = config.CookieExpireNever
// continue and askCredentials as normal
} else {
// client is banned send a forbidden status and don't continue
ctx.SetStatusCode(iris.StatusForbidden)
return
}
}
}
if auth != nil {
auth.tries++
}*/
b.askForCredentials(ctx)
// don't continue to the next handler
} else {
// all ok set the context's value in order to be getable from the next handler
ctx.Set(b.config.ContextKey, auth.Username)
if b.expireEnabled {
if auth.logged == false {
auth.expires = time.Now().Add(b.config.Expires)
auth.logged = true
}
if time.Now().After(auth.expires) {
b.askForCredentials(ctx) // ask for authentication again
return
}
}
//auth.tries = 0
ctx.Next() // continue
}
}
// White-box testing *
func TestContextDoNextStop(t *testing.T) {
var context iris.Context
ok := false
afterStop := false
context.Middleware = iris.Middleware{iris.HandlerFunc(func(*iris.Context) {
ok = true
}), iris.HandlerFunc(func(*iris.Context) {
ok = true
}), iris.HandlerFunc(func(*iris.Context) {
// this will never execute
afterStop = true
})}
context.Do()
if context.Pos != 0 {
t.Fatalf("Expecting position 0 for context's middleware but we got: %d", context.Pos)
}
if !ok {
t.Fatalf("Unexpected behavior, first context's middleware didn't executed")
}
ok = false
context.Next()
if int(context.Pos) != 1 {
t.Fatalf("Expecting to have position %d but we got: %d", 1, context.Pos)
}
if !ok {
t.Fatalf("Next context's middleware didn't executed")
}
context.StopExecution()
if context.Pos != 255 {
t.Fatalf("Context's StopExecution didn't worked, we expected to have position %d but we got %d", 255, context.Pos)
}
if !context.IsStopped() {
t.Fatalf("Should be stopped")
}
context.Next()
if afterStop {
t.Fatalf("We stopped the execution but the next handler was executed")
}
}
// Serve serves the middleware
func (l *LoggerMiddleware) Serve(ctx *iris.Context) {
//all except latency to string
var date, status, ip, method, path string
var latency time.Duration
var startTime, endTime time.Time
status = strconv.Itoa(ctx.Response.StatusCode())
ip = ctx.RemoteAddr()
path = ctx.PathString()
method = ctx.MethodString()
startTime = time.Now()
ctx.Next()
//no time.Since in order to format it well after
endTime = time.Now()
date = endTime.Format("01/02 - 15:04:05")
latency = endTime.Sub(startTime)
//finally print the logs
l.printf("%s %v %4v %s %s %s", date, status, latency, ip, method, path)
}
//Important staff, iris middleware must implement the iris.Handler interface which is:
func (m MyGlobalMiddlewareStructed) Serve(c *iris.Context) {
fmt.Println("Hello from logger with id: ", m.loggerId)
c.Next()
}