Add api for identity provider login (#5534)

* add api for ldap login

* update ldap login to identity provider login for more flexible login type

Signed-off-by: wenhaozhou <wenhaozhou@yunify.com>

* update PasswordAuthenticate

Signed-off-by: wenhaozhou <wenhaozhou@yunify.com>

* add test case

Signed-off-by: wenhaozhou <wenhaozhou@yunify.com>

* update api path

Signed-off-by: wenhaozhou <wenhaozhou@yunify.com>

* make goimports and add annotations

Signed-off-by: wenhaozhou <wenhaozhou@yunify.com>

* update func names & add annotations

Signed-off-by: wenhaozhou <wenhaozhou@yunify.com>

---------

Signed-off-by: wenhaozhou <wenhaozhou@yunify.com>

pkg/kapis/oauth/register.go

@@ -158,22 +158,17 @@ func AddToContainer(c *restful.Container, im im.IdentityManagementInterface,
 		Returns(http.StatusOK, http.StatusText(http.StatusOK), "").
 		Metadata(restfulspec.KeyOpenAPITags, []string{constants.AuthenticationTag}))
 
-	c.Add(ws)
-
-	// legacy auth API
-	legacy := &restful.WebService{}
-	legacy.Path("/kapis/iam.kubesphere.io/v1alpha2/login").
-		Consumes(restful.MIME_JSON).
-		Produces(restful.MIME_JSON)
-	legacy.Route(legacy.POST("").
-		To(handler.login).
-		Deprecate().
-		Doc("KubeSphere APIs support token-based authentication via the Authtoken request header. The POST Login API is used to retrieve the authentication token. After the authentication token is obtained, it must be inserted into the Authtoken header for all requests.").
-		Reads(LoginRequest{}).
-		Returns(http.StatusOK, api.StatusOK, oauth.Token{}).
+	ws.Route(ws.POST("/login/{identityprovider}").
+		Consumes(contentTypeFormData).
+		Doc("Login by identity provider user").
+		Param(ws.PathParameter("identityprovider", "The identity provider name")).
+		Param(ws.FormParameter("username", "The username of the relevant user in ldap")).
+		Param(ws.FormParameter("password", "The password of the relevant user in ldap")).
+		To(handler.loginByIdentityProvider).
+		Returns(http.StatusOK, http.StatusText(http.StatusOK), oauth.Token{}).
 		Metadata(restfulspec.KeyOpenAPITags, []string{constants.AuthenticationTag}))
 
-	c.Add(legacy)
+	c.Add(ws)
 
 	return nil
 }