oc-catalog/routers/auth.go

119 lines
3.1 KiB
Go

package routers
import (
"reflect"
"strings"
"cloud.o-forge.io/core/oc-catalog/controllers"
"cloud.o-forge.io/core/oc-catalog/models"
"github.com/beego/beego/v2/core/logs"
beego "github.com/beego/beego/v2/server/web"
"github.com/beego/beego/v2/server/web/context"
"github.com/beego/beego/v2/server/web/swagger"
)
func setStatus403(ctx *context.Context) {
ctx.Output.SetStatus(403)
ctx.Output.Body([]byte(""))
}
// TODO: Force swagger regeneration during startup to ensure consistency
func initAuthMiddleware() {
var FilterAuthTags = func(ctx *context.Context) {
patternMatch := ctx.Input.GetData("RouterPattern").(string)
patternMatchPath := strings.Replace(patternMatch, rootapi.BasePath, "", 1)
//Discovery path
if patternMatch == "/" {
return
}
// First letter Uppercase and the rest lowercase
reqMethod := strings.ToUpper(string(ctx.Request.Method[0])) + strings.ToLower(string(ctx.Request.Method[1:]))
val := reflect.ValueOf(rootapi.Paths[patternMatchPath]).
Elem().FieldByName(reqMethod).
Elem().Interface().(swagger.Operation)
// Make sure never omit a security declaration
canaryVar := false
for _, securityItem := range val.Security {
canaryVar = true
for securityItemName := range securityItem {
switch t := rootapi.SecurityDefinitions[securityItemName]; t.Type {
case "basic":
user, pass, containBasic := ctx.Request.BasicAuth()
if containBasic {
if models.Login(user, pass) {
//TODO: Decide behaviour with multiple security
return
}
ctx.Output.SetStatus(403)
ctx.Output.Body([]byte("")) //We must create some kind of output to force beego abort the request
return
}
ctx.Output.Header("WWW-Authenticate", `Basic realm="Restricted"`)
ctx.Output.SetStatus(401)
ctx.Output.Body([]byte("")) //We must create some kind of output to force beego abort the request
return
case "apiKey":
var jwtTokenString string
switch t.In {
case "header":
jwtTokenString = ctx.Request.Header.Get(t.Name)
case "query":
jwtTokenString = ctx.Request.URL.Query().Get(t.Name)
default:
logs.Warn("BUG: API auth with token of type " + t.In + " not implemented.")
setStatus403(ctx)
return
}
if jwtTokenString != "" {
// We have a token
_, err := controllers.IsValidToken(jwtTokenString)
if err != nil {
//Bad token
ctx.Output.SetStatus(401)
ctx.Output.Body([]byte(err.Error()))
return
}
ctx.Input.SetData("jwtAPIToken", jwtTokenString)
return //Go to Controller
}
// No token at all
logs.Debug("No access token provided")
setStatus403(ctx)
return
default:
ctx.Output.SetStatus(501)
ctx.Output.Body([]byte("Authentication with " + t.Type + " not implemented"))
return
}
}
}
if canaryVar {
// If we are here, that means some Security declaration exist and was skipped.
// Must avoid giving access, but should inform about it
logs.Critical("Probably a BUG related to authentication process")
setStatus403(ctx)
}
}
beego.InsertFilter("/*", beego.BeforeExec, FilterAuthTags)
}