X-Git-Url: https://gerrit.o-ran-sc.org/r/gitweb?a=blobdiff_plain;ds=inline;f=capifcore%2Finternal%2Finvokermanagement%2Finvokermanagement.go;fp=capifcore%2Finternal%2Finvokermanagement%2Finvokermanagement.go;h=1d8582dac1029ff44e62df84645807211828a6ce;hb=c9e08b2a2f647f9f870040570c5e71305f0fb5d2;hp=0000000000000000000000000000000000000000;hpb=8fcfa4ecde6d95ead33c34b0e7efc4933ad44444;p=nonrtric%2Fplt%2Fsme.git

diff --git a/capifcore/internal/invokermanagement/invokermanagement.go b/capifcore/internal/invokermanagement/invokermanagement.go
new file mode 100644
index 0000000..1d8582d
--- /dev/null
+++ b/capifcore/internal/invokermanagement/invokermanagement.go
@@ -0,0 +1,207 @@
+// -
+//   ========================LICENSE_START=================================
+//   O-RAN-SC
+//   %%
+//   Copyright (C) 2022: Nordix Foundation
+//   %%
+//   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.
+//   ========================LICENSE_END===================================
+//
+
+package invokermanagement
+
+import (
+	"net/http"
+	"path"
+	"strconv"
+	"strings"
+	"sync"
+
+	publishapi "oransc.org/nonrtric/capifcore/internal/publishserviceapi"
+
+	"oransc.org/nonrtric/capifcore/internal/common29122"
+	invokerapi "oransc.org/nonrtric/capifcore/internal/invokermanagementapi"
+
+	"oransc.org/nonrtric/capifcore/internal/publishservice"
+
+	"github.com/labstack/echo/v4"
+)
+
+//go:generate mockery --name InvokerRegister
+type InvokerRegister interface {
+	IsInvokerRegistered(invokerId string) bool
+	VerifyInvokerSecret(invokerId, secret string) bool
+}
+
+type InvokerManager struct {
+	onboardedInvokers map[string]invokerapi.APIInvokerEnrolmentDetails
+	apiRegister       publishservice.APIRegister
+	nextId            int64
+	lock              sync.Mutex
+}
+
+func NewInvokerManager(apiRegister publishservice.APIRegister) *InvokerManager {
+	return &InvokerManager{
+		onboardedInvokers: make(map[string]invokerapi.APIInvokerEnrolmentDetails),
+		apiRegister:       apiRegister,
+		nextId:            1000,
+	}
+}
+
+func (im *InvokerManager) IsInvokerRegistered(invokerId string) bool {
+	im.lock.Lock()
+	defer im.lock.Unlock()
+
+	_, registered := im.onboardedInvokers[invokerId]
+	return registered
+}
+
+func (im *InvokerManager) VerifyInvokerSecret(invokerId, secret string) bool {
+	im.lock.Lock()
+	defer im.lock.Unlock()
+
+	verified := false
+	if invoker, registered := im.onboardedInvokers[invokerId]; registered {
+		verified = *invoker.OnboardingInformation.OnboardingSecret == secret
+	}
+	return verified
+}
+
+func (im *InvokerManager) PostOnboardedInvokers(ctx echo.Context) error {
+	var newInvoker invokerapi.APIInvokerEnrolmentDetails
+	err := ctx.Bind(&newInvoker)
+	if err != nil {
+		return sendCoreError(ctx, http.StatusBadRequest, "Invalid format for invoker")
+	}
+
+	shouldReturn, coreError := im.validateInvoker(newInvoker, ctx)
+	if shouldReturn {
+		return coreError
+	}
+
+	im.lock.Lock()
+	defer im.lock.Unlock()
+
+	newInvoker.ApiInvokerId = im.getId(newInvoker.ApiInvokerInformation)
+	onboardingSecret := "onboarding_secret_"
+	if newInvoker.ApiInvokerInformation != nil {
+		onboardingSecret = onboardingSecret + strings.ReplaceAll(*newInvoker.ApiInvokerInformation, " ", "_")
+	} else {
+		onboardingSecret = onboardingSecret + *newInvoker.ApiInvokerId
+	}
+	newInvoker.OnboardingInformation.OnboardingSecret = &onboardingSecret
+
+	im.onboardedInvokers[*newInvoker.ApiInvokerId] = newInvoker
+
+	uri := ctx.Request().Host + ctx.Request().URL.String()
+	ctx.Response().Header().Set(echo.HeaderLocation, ctx.Scheme()+`://`+path.Join(uri, *newInvoker.ApiInvokerId))
+	err = ctx.JSON(http.StatusCreated, newInvoker)
+	if err != nil {
+		// Something really bad happened, tell Echo that our handler failed
+		return err
+	}
+
+	return nil
+}
+
+func (im *InvokerManager) DeleteOnboardedInvokersOnboardingId(ctx echo.Context, onboardingId string) error {
+	im.lock.Lock()
+	defer im.lock.Unlock()
+
+	delete(im.onboardedInvokers, onboardingId)
+
+	return ctx.NoContent(http.StatusNoContent)
+}
+
+func (im *InvokerManager) PutOnboardedInvokersOnboardingId(ctx echo.Context, onboardingId string) error {
+	var invoker invokerapi.APIInvokerEnrolmentDetails
+	err := ctx.Bind(&invoker)
+	if err != nil {
+		return sendCoreError(ctx, http.StatusBadRequest, "Invalid format for invoker")
+	}
+
+	if onboardingId != *invoker.ApiInvokerId {
+		return sendCoreError(ctx, http.StatusBadRequest, "Invoker ApiInvokerId not matching")
+	}
+
+	shouldReturn, coreError := im.validateInvoker(invoker, ctx)
+	if shouldReturn {
+		return coreError
+	}
+
+	im.lock.Lock()
+	defer im.lock.Unlock()
+
+	if _, ok := im.onboardedInvokers[onboardingId]; ok {
+		im.onboardedInvokers[*invoker.ApiInvokerId] = invoker
+	} else {
+		return sendCoreError(ctx, http.StatusNotFound, "The invoker to update has not been onboarded")
+	}
+
+	err = ctx.JSON(http.StatusOK, invoker)
+	if err != nil {
+		// Something really bad happened, tell Echo that our handler failed
+		return err
+	}
+
+	return nil
+}
+
+func (im *InvokerManager) ModifyIndApiInvokeEnrolment(ctx echo.Context, onboardingId string) error {
+	return ctx.NoContent(http.StatusNotImplemented)
+}
+
+func (im *InvokerManager) validateInvoker(invoker invokerapi.APIInvokerEnrolmentDetails, ctx echo.Context) (bool, error) {
+	if invoker.NotificationDestination == "" {
+		return true, sendCoreError(ctx, http.StatusBadRequest, "Invoker missing required NotificationDestination")
+	}
+
+	if invoker.OnboardingInformation.ApiInvokerPublicKey == "" {
+		return true, sendCoreError(ctx, http.StatusBadRequest, "Invoker missing required OnboardingInformation.ApiInvokerPublicKey")
+	}
+
+	if !im.areAPIsRegistered(invoker.ApiList) {
+		return true, sendCoreError(ctx, http.StatusBadRequest, "Some APIs needed by invoker are not registered")
+	}
+
+	return false, nil
+}
+
+func (im *InvokerManager) areAPIsRegistered(apis *invokerapi.APIList) bool {
+	if apis == nil {
+		return true
+	}
+	return im.apiRegister.AreAPIsRegistered((*[]publishapi.ServiceAPIDescription)(apis))
+}
+
+func (im *InvokerManager) getId(invokerInfo *string) *string {
+	idAsString := "api_invoker_id_"
+	if invokerInfo != nil {
+		idAsString = idAsString + strings.ReplaceAll(*invokerInfo, " ", "_")
+	} else {
+		idAsString = idAsString + strconv.FormatInt(im.nextId, 10)
+		im.nextId = im.nextId + 1
+	}
+	return &idAsString
+}
+
+// This function wraps sending of an error in the Error format, and
+// handling the failure to marshal that.
+func sendCoreError(ctx echo.Context, code int, message string) error {
+	pd := common29122.ProblemDetails{
+		Cause:  &message,
+		Status: &code,
+	}
+	err := ctx.JSON(code, pd)
+	return err
+}