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Add user management functionality; update API handlers to include pri…
…ncipal parameter and create database schema for users and tokens
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,106 @@ | ||
| /* | ||
| * Copyright (c) 2022 NetLOX Inc | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at: | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
| package handler | ||
|
|
||
| import ( | ||
| "errors" | ||
| "net/http" | ||
| "strings" | ||
|
|
||
| "github.com/go-openapi/runtime" | ||
| "github.com/go-openapi/runtime/middleware" | ||
|
|
||
| "github.com/loxilb-io/loxilb/api/models" | ||
| "github.com/loxilb-io/loxilb/api/restapi/operations/auth" | ||
| cmn "github.com/loxilb-io/loxilb/common" | ||
| opts "github.com/loxilb-io/loxilb/options" | ||
| ) | ||
|
|
||
| // BearerAuthAuth parses and validates a JWT token string. | ||
| // It returns the claims contained in the token if it is valid, or an error if the token is invalid or parsing fails. | ||
| // But if the UserServiceEnable option is disabled, it will return true. | ||
| // | ||
| // Parameters: | ||
| // - tokenString: the JWT token string to be validated. | ||
| // | ||
| // Returns: | ||
| // - bool: the claims contained in the token if it is valid. | ||
| // - error: an error if the token is invalid or parsing fails. | ||
| func BearerAuthAuth(tokenString string) (interface{}, error) { | ||
| if opts.Opts.UserServiceEnable { | ||
| return ApiHooks.NetUserValidate(tokenString) | ||
| } else { | ||
| return true, nil | ||
| } | ||
| } | ||
|
|
||
| // AuthPostLogin function | ||
| // This function is used to authenticate the user and generate a token | ||
| func AuthPostLogin(params auth.PostAuthLoginParams) middleware.Responder { | ||
| var response models.LoginResponse | ||
| var user cmn.User | ||
| user.Username = params.User.Username | ||
| user.Password = params.User.Password | ||
| token, valid, err := ApiHooks.NetUserLogin(&user) | ||
| if err != nil { | ||
| return &ResultResponse{Result: err.Error()} | ||
| } | ||
| if valid { | ||
| response.Token = token | ||
| } | ||
| return auth.NewPostAuthLoginOK().WithPayload(&response) | ||
| } | ||
|
|
||
| // AuthPostLogout function | ||
| // This function is used to logout the user | ||
| func AuthPostLogout(params auth.PostAuthLogoutParams, principal interface{}) middleware.Responder { | ||
| token := params.HTTPRequest.Header.Get("Authorization") | ||
| err := ApiHooks.NetUserLogout(token) | ||
| if err != nil { | ||
| return &ResultResponse{Result: err.Error()} | ||
| } | ||
| return auth.NewPostAuthLogoutOK() | ||
| } | ||
|
|
||
| // Authorized function to handle authorization logic | ||
| // requests are authorized based on the role of the user | ||
| func Authorized() runtime.Authorizer { | ||
| if opts.Opts.UserServiceEnable { | ||
| return runtime.AuthorizerFunc(func(param *http.Request, principal interface{}) error { | ||
| permitInfo := principal.(string) | ||
| // Viewer user can only GET requests | ||
| UserNameAndRole := strings.Split(permitInfo, "|") | ||
| if len(UserNameAndRole) != 2 { | ||
| return errors.New("Invalid user info. Please contact the administrator") | ||
| } | ||
| UserRole := UserNameAndRole[1] | ||
| // Viewer user can only GET requests except for logout | ||
| if strings.Contains(UserRole, "viewer") && param.Method == "POST" && param.URL.Path == "/netlox/v1/auth/logout" { | ||
| return nil | ||
| } else if strings.Contains(UserRole, "viewer") && param.Method != "GET" { | ||
| return errors.New("Permission denied") | ||
| } | ||
| return nil | ||
| }) | ||
| } else { | ||
| return runtime.AuthorizerFunc(func(_ *http.Request, _ interface{}) error { | ||
|
|
||
| return nil | ||
| }) | ||
|
|
||
| } | ||
|
|
||
| } |
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