func main() {
rbac = &myRbac{Rbac: gorbac.New()}
h := possum.NewHandler()
h.PreHandler = func(r *http.Request) (int, error) {
host, _, err := net.SplitHostPort(r.RemoteAddr)
if err != nil {
return http.StatusInternalServerError, err
}
if host != "127.0.0.1" {
return http.StatusForbidden, fmt.Errorf("Localhost only")
}
return http.StatusOK, nil
}
h.PostHandler = func(r *http.Request, status int, data interface{}) {
fmt.Printf("[%s] %s %s \"%s\" %d\n", time.Now(), r.RemoteAddr, r.Method, r.URL.String(), status)
}
if err := h.AddResource("/rbac", rbac); err != nil {
fmt.Println(err)
return
}
h.AddRPC("/isgranded", isGranded)
fmt.Printf("[%s] %s\n", time.Now(), addr)
if err := http.ListenAndServe(addr, h); err != nil {
fmt.Println(err)
return
}
}
/*
Suppose:
The role-a is inheriting from role-b.
The role-b is inheriting from role-c, role-d.
The role-c is individual.
The role-d is individual.
The role-e is inheriting from role-d.
Every roles have thire own permissions.
*/
func ExampleRbac() {
normalCases := map[string]map[string][]string{
RA: {
"permissions": {PA},
"parents": {RB},
},
RB: {
"permissions": {PB},
"parents": {RC, RD},
},
RC: {
"permissions": {PC},
"parents": nil,
},
RD: {
"permissions": {PD},
"parents": nil,
},
RE: {
"permissions": nil,
"parents": {RD},
},
}
rbac := gorbac.New()
for role, c := range normalCases {
rbac.Add(role, convPermissions(c["permissions"]), c["parents"])
}
if rbac.IsGranted(RA, gorbac.NewStdPermission(PA), nil) &&
rbac.IsGranted(RA, gorbac.NewStdPermission(PB), nil) &&
rbac.IsGranted(RA, gorbac.NewStdPermission(PC), nil) &&
rbac.IsGranted(RA, gorbac.NewStdPermission(PD), nil) {
fmt.Println("The role-a has been granted permis-a, b, c and d.")
}
if rbac.IsGranted(RB, gorbac.NewStdPermission(PB), nil) &&
rbac.IsGranted(RB, gorbac.NewStdPermission(PC), nil) &&
rbac.IsGranted(RB, gorbac.NewStdPermission(PD), nil) {
fmt.Println("The role-b has been granted permis-b, c and d.")
}
// When a circle inheratance ocurred,
rbac.Get(RC).AddParent(RA)
// it could be detected as following code:
if err := gorbac.InherCircle(rbac); err != nil {
fmt.Println("A circle inheratance ocurred.")
}
// Output:
// The role-a has been granted permis-a, b, c and d.
// The role-b has been granted permis-b, c and d.
// A circle inheratance ocurred.
}
/*
Suppose:
The role-a is inheriting from role-b.
The role-b is inheriting from role-c, role-d.
The role-c is individual.
The role-d is individual.
The role-e is inheriting from role-d.
Every roles have thire own permissions.
*/
func ExampleRbac() {
rbac := gorbac.New()
rA := gorbac.NewStdRole("role-a")
rB := gorbac.NewStdRole("role-b")
rC := gorbac.NewStdRole("role-c")
rD := gorbac.NewStdRole("role-d")
rE := gorbac.NewStdRole("role-e")
pA := gorbac.NewStdPermission("permission-a")
pB := gorbac.NewStdPermission("permission-b")
pC := gorbac.NewStdPermission("permission-c")
pD := gorbac.NewStdPermission("permission-d")
pE := gorbac.NewStdPermission("permission-e")
rA.AddPermission(pA)
rB.AddPermission(pB)
rC.AddPermission(pC)
rD.AddPermission(pD)
rE.AddPermission(pE)
rbac.Add(rA)
rbac.Add(rB)
rbac.Add(rC)
rbac.Add(rD)
rbac.Add(rE)
rbac.SetParent("role-a", "role-b")
rbac.SetParents("role-b", []string{"role-c", "role-d"})
rbac.SetParent("role-e", "role-d")
if rbac.IsGranted("role-a", pA, nil) &&
rbac.IsGranted("role-a", pB, nil) &&
rbac.IsGranted("role-a", pC, nil) &&
rbac.IsGranted("role-a", pD, nil) {
fmt.Println("The role-a has been granted permis-a, b, c and d.")
}
if rbac.IsGranted("role-b", pB, nil) &&
rbac.IsGranted("role-b", pC, nil) &&
rbac.IsGranted("role-b", pD, nil) {
fmt.Println("The role-b has been granted permis-b, c and d.")
}
// When a circle inheratance ocurred,
rbac.SetParent("role-c", "role-a")
// it could be detected as following code:
if err := gorbac.InherCircle(rbac); err != nil {
fmt.Println("A circle inheratance ocurred.")
}
// Output:
// The role-a has been granted permis-a, b, c and d.
// The role-b has been granted permis-b, c and d.
// A circle inheratance ocurred.
}
/*
Suppose:
The role-c is inheriting from role-a, role-b.
The role-d is individual.
The role-e is inheriting from role-c, role-d.
Every roles have thire own permissions.
Thus:
The role-c has been granted permis-a/b/c.
The role-e has been granted permis-a/b/c/d.
*/
func ExampleRbac() {
testingcases := map[string]map[string][]string{
"role-a": map[string][]string{
"permissions": []string{"permis-a"},
"parents": nil,
},
"role-b": map[string][]string{
"permissions": []string{"permis-b"},
"parents": nil,
},
"role-c": map[string][]string{
"permissions": []string{"permis-c"},
"parents": []string{"role-a", "role-b"},
},
"role-d": map[string][]string{
"permissions": []string{"permis-d"},
"parents": nil,
},
"role-e": map[string][]string{
"permissions": nil,
"parents": []string{"role-c", "role-d"},
},
}
rbac := gorbac.New()
for role, testingcase := range testingcases {
rbac.Add(role, testingcase["permissions"], testingcase["parents"])
}
if rbac.IsGranted("role-c", "permis-a", nil) &&
rbac.IsGranted("role-c", "permis-b", nil) &&
rbac.IsGranted("role-c", "permis-c", nil) {
fmt.Println("The role-c has been granted permis-a/b/c.")
}
if rbac.IsGranted("role-e", "permis-a", nil) &&
rbac.IsGranted("role-e", "permis-b", nil) &&
rbac.IsGranted("role-e", "permis-c", nil) &&
rbac.IsGranted("role-e", "permis-d", nil) {
fmt.Println("The role-e has been granted permis-a/b/c/d.")
}
// Output: The role-c has been granted permis-a/b/c.
// The role-e has been granted permis-a/b/c/d.
}
func main() {
rbac := gorbac.New()
r1 := newMyRole("role-1")
r2 := newMyRole("role-2")
r3 := newMyRole("role-3")
r4 := newMyRole("role-4")
if err := rbac.Add(r1); err != nil {
fmt.Printf("Error: %s", err)
return
}
if err := rbac.Add(r2); err != nil {
fmt.Printf("Error: %s", err)
return
}
if err := rbac.Add(r3); err != nil {
fmt.Printf("Error: %s", err)
return
}
if err := rbac.Add(r4); err != nil {
fmt.Printf("Error: %s", err)
return
}
if err := rbac.SetParents("role-1", []string{"role-2", "role-3"}); err != nil {
fmt.Printf("Error: %s", err)
return
}
if err := rbac.SetParent("role-3", "role-4"); err != nil {
fmt.Printf("Error: %s", err)
return
}
role, parents, err := rbac.Get("role-1")
if err != nil {
fmt.Printf("Error: %s", err)
return
}
if myRole, ok := role.(*myRole); ok {
fmt.Printf("Name:\t%s\nLabel:\t%s\nDesc:\t%s\nParents:\t%s\n",
myRole.Id(), myRole.Label, myRole.Description, parents)
}
}
"encoding/json"
"fmt"
"io/ioutil"
"net"
"net/http"
"time"
"github.com/mikespook/gorbac"
"github.com/mikespook/possum"
"github.com/mikespook/possum/router"
"github.com/mikespook/possum/view"
)
const addr = "127.0.0.1:12345"
var rbac = gorbac.New()
func postHandler(ctx *possum.Context) error {
body, err := ioutil.ReadAll(ctx.Request.Body)
if err != nil {
return err
}
defer ctx.Request.Body.Close()
var m gorbac.Map
if err := json.Unmarshal(body, &m); err != nil {
return err
}
rbac = gorbac.Restore(m)
ctx.Response.Data = rbac.Dump()
return nil
}