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<feat> finlly add casbin to our server .
Signed-off-by: JackyCZJ <chenzj@esixnetwork.net>
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JackyCZJ
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Mar 2, 2020
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,81 @@ | ||
| package auth | ||
|
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| import ( | ||
| "fmt" | ||
| "net/http" | ||
| "strconv" | ||
|
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| "github.com/casbin/casbin/v2" | ||
| "github.com/labstack/echo/v4" | ||
| "github.com/labstack/echo/v4/middleware" | ||
| ) | ||
|
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| type ( | ||
| // Config defines the config for CasbinAuth middleware. | ||
| Config struct { | ||
| // Skipper defines a function to skip middleware. | ||
| Skipper middleware.Skipper | ||
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| // Enforcer CasbinAuth main rule. | ||
| // Required. | ||
| Enforcer *casbin.Enforcer | ||
| } | ||
| ) | ||
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| var ( | ||
| // DefaultConfig is the default CasbinAuth middleware config. | ||
| DefaultConfig = Config{ | ||
| Skipper: middleware.DefaultSkipper, | ||
| } | ||
| ) | ||
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| func MiddlewareWithConfig(config Config) echo.MiddlewareFunc { | ||
| // Defaults | ||
| if config.Skipper == nil { | ||
| config.Skipper = DefaultConfig.Skipper | ||
| } | ||
|
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| return func(next echo.HandlerFunc) echo.HandlerFunc { | ||
| return func(c echo.Context) error { | ||
| if config.Skipper(c) { | ||
| return next(c) | ||
| } | ||
|
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| if pass, err := config.CheckPermission(c); err == nil && pass { | ||
| return next(c) | ||
| } else if err != nil { | ||
| return echo.NewHTTPError(http.StatusInternalServerError, err.Error()) | ||
| } | ||
|
|
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| return echo.ErrForbidden | ||
| } | ||
| } | ||
| } | ||
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| func Middleware(ce *casbin.Enforcer) echo.MiddlewareFunc { | ||
| c := DefaultConfig | ||
| c.Enforcer = ce | ||
| return MiddlewareWithConfig(c) | ||
| } | ||
|
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| func (a *Config) CheckPermission(e echo.Context) (bool, error) { | ||
| user := e.Get("user_id") | ||
| role := e.Get("role") | ||
| if user == nil && role == nil { | ||
| user = "guest" | ||
| _, err := a.Enforcer.AddRoleForUser(user.(string), "0") | ||
| if err != nil { | ||
| return false, err | ||
| } | ||
| } | ||
| role = strconv.Itoa(role.(int)) | ||
|
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| _, err := a.Enforcer.AddRoleForUser(user.(string), role.(string)) | ||
| if err != nil { | ||
| return false, err | ||
| } | ||
| method := e.Request().Method | ||
| path := e.Request().URL.Path | ||
| fmt.Println(user.(string), method, path) | ||
| return a.Enforcer.Enforce(role, path, method) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,14 @@ | ||
| [request_definition] | ||
| r = sub, obj, act | ||
|
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| [policy_definition] | ||
| p = sub, obj, act | ||
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| [role_definition] | ||
| g = _, _ | ||
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| [policy_effect] | ||
| e = some(where (p.eft == allow)) | ||
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| [matchers] | ||
| m = g(r.sub, p.sub) && keyMatch(r.obj, p.obj) && (r.act == p.act || p.act == "*") |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,32 @@ | ||
| p , 3 , /*, (GET|POST|PUT|DELETE) | ||
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| p , 0 , /user/login , POST | ||
| p , 0 , /user/register , POST | ||
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| p , 1 , /user/logout , POST | ||
| p , 2 , /user/logout , POST | ||
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| p , 1 , /user/setting/* , (GET|POST|PUT|DELETE) | ||
| p , 2 , /user/setting/* , (GET|POST|PUT|DELETE) | ||
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| p, 0 , /api/v1/Goods/* , GET | ||
| p, 1 , /api/v1/Goods/* , GET | ||
| p, 2 , /api/v1/Goods/* , (GET|POST|PUT|DELETE) | ||
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| p , 1 , /api/v1/Order/:id , (GET|POST|PUT|DELETE) | ||
| p , 1 , /api/v1/Order , (POST|PUT) | ||
| p , 2 , /api/v1/Order/:id/* , (GET|POST|PUT|DELETE) | ||
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| p, 0 , /api/v1/Shop/* , GET | ||
| p, 1 , /api/v1/Shop/* , GET | ||
| p, 2 , /api/v1/Shop/* , (GET|POST|PUT|DELETE) | ||
| p, 2 , /api/v1/Shop/setting/* , (GET|POST|PUT|DELETE) | ||
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| p, 0 , /api/v1/Cart , (GET|POST|PUT|DELETE) | ||
| p, 1 , /api/v1/Cart , (GET|POST|PUT|DELETE) | ||
| p, 2 , /api/v1/Cart , (GET|POST|PUT|DELETE) | ||
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|
|
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