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Merge pull request #622 from 0lmi/me-41_device_decommissioning_inconsistency

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92.64

/api/http/api_devauth.go

// Copyright 2022 Northern.tech AS
//
//    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 http

import (
        "context"
        "encoding/json"
        "net/http"
        "strings"
        "time"

        "github.com/mendersoftware/go-lib-micro/identity"

        "github.com/ant0ine/go-json-rest/rest"
        ctxhttpheader "github.com/mendersoftware/go-lib-micro/context/httpheader"
        "github.com/mendersoftware/go-lib-micro/log"
        "github.com/mendersoftware/go-lib-micro/rest_utils"
        "github.com/pkg/errors"

        "github.com/mendersoftware/deviceauth/access"
        "github.com/mendersoftware/deviceauth/cache"
        "github.com/mendersoftware/deviceauth/devauth"
        "github.com/mendersoftware/deviceauth/jwt"
        "github.com/mendersoftware/deviceauth/model"
        "github.com/mendersoftware/deviceauth/store"
        "github.com/mendersoftware/deviceauth/utils"
)

const (
        uriAuthReqs = "/api/devices/v1/authentication/auth_requests"

        // internal API
        uriAlive              = "/api/internal/v1/devauth/alive"
        uriHealth             = "/api/internal/v1/devauth/health"
        uriTokenVerify        = "/api/internal/v1/devauth/tokens/verify"
        uriTenantLimit        = "/api/internal/v1/devauth/tenant/#id/limits/#name"
        uriTokens             = "/api/internal/v1/devauth/tokens"
        uriTenants            = "/api/internal/v1/devauth/tenants"
        uriTenantDevice       = "/api/internal/v1/devauth/tenants/#tid/devices/#did"
        uriTenantDeviceStatus = "/api/internal/v1/devauth/tenants/#tid/devices/#did/status"
        uriTenantDevices      = "/api/internal/v1/devauth/tenants/#tid/devices"
        uriTenantDevicesCount = "/api/internal/v1/devauth/tenants/#tid/devices/count"

        // management API v2
        v2uriDevices             = "/api/management/v2/devauth/devices"
        v2uriDevicesCount        = "/api/management/v2/devauth/devices/count"
        v2uriDevicesSearch       = "/api/management/v2/devauth/devices/search"
        v2uriDevice              = "/api/management/v2/devauth/devices/#id"
        v2uriDeviceAuthSet       = "/api/management/v2/devauth/devices/#id/auth/#aid"
        v2uriDeviceAuthSetStatus = "/api/management/v2/devauth/devices/#id/auth/#aid/status"
        v2uriToken               = "/api/management/v2/devauth/tokens/#id"
        v2uriDevicesLimit        = "/api/management/v2/devauth/limits/#name"

        HdrAuthReqSign = "X-MEN-Signature"
)

const (
        defaultTimeout = time.Second * 5
)

var (
        ErrIncorrectStatus = errors.New("incorrect device status")
        ErrNoAuthHeader    = errors.New("no authorization header")
)

type DevAuthApiHandlers struct {
        devAuth devauth.App
        db      store.DataStore
}

type DevAuthApiStatus struct {
        Status string `json:"status"`
}

func NewDevAuthApiHandlers(devAuth devauth.App, db store.DataStore) ApiHandler {
        return &DevAuthApiHandlers{
                devAuth: devAuth,
                db:      db,
        }
}

func (d *DevAuthApiHandlers) GetApp() (rest.App, error) {
        routes := []*rest.Route{
                rest.Get(uriAlive, d.AliveHandler),
                rest.Get(uriHealth, d.HealthCheckHandler),
                rest.Post(uriAuthReqs, d.SubmitAuthRequestHandler),
                rest.Get(uriTokenVerify, d.VerifyTokenHandler),
                rest.Post(uriTokenVerify, d.VerifyTokenHandler),
                rest.Delete(uriTokens, d.DeleteTokensHandler),

                rest.Put(uriTenantLimit, d.PutTenantLimitHandler),
                rest.Get(uriTenantLimit, d.GetTenantLimitHandler),
                rest.Delete(uriTenantLimit, d.DeleteTenantLimitHandler),

                rest.Post(uriTenants, d.ProvisionTenantHandler),
                rest.Get(uriTenantDeviceStatus, d.GetTenantDeviceStatus),
                rest.Get(uriTenantDevices, d.GetTenantDevicesHandler),
                rest.Get(uriTenantDevicesCount, d.GetTenantDevicesCountHandler),
                rest.Delete(uriTenantDevice, d.DeleteDeviceHandler),

                // API v2
                rest.Get(v2uriDevicesCount, d.GetDevicesCountHandler),
                rest.Get(v2uriDevices, d.GetDevicesV2Handler),
                rest.Post(v2uriDevicesSearch, d.SearchDevicesV2Handler),
                rest.Post(v2uriDevices, d.PostDevicesV2Handler),
                rest.Get(v2uriDevice, d.GetDeviceV2Handler),
                rest.Delete(v2uriDevice, d.DecommissionDeviceHandler),
                rest.Delete(v2uriDeviceAuthSet, d.DeleteDeviceAuthSetHandler),
                rest.Put(v2uriDeviceAuthSetStatus, d.UpdateDeviceStatusHandler),
                rest.Get(v2uriDeviceAuthSetStatus, d.GetAuthSetStatusHandler),
                rest.Delete(v2uriToken, d.DeleteTokenHandler),
                rest.Get(v2uriDevicesLimit, d.GetLimitHandler),
        }

        app, err := rest.MakeRouter(
                // augment routes with OPTIONS handler
                AutogenOptionsRoutes(routes, AllowHeaderOptionsGenerator)...,
        )
        if err != nil {
                return nil, errors.Wrap(err, "failed to create router")
        }

        return app, nil
}

func (d *DevAuthApiHandlers) AliveHandler(w rest.ResponseWriter, r *rest.Request) {
        w.WriteHeader(http.StatusNoContent)
}

func (d *DevAuthApiHandlers) HealthCheckHandler(w rest.ResponseWriter, r *rest.Request) {
        ctx := r.Context()
        l := log.FromContext(ctx)
        ctx, cancel := context.WithTimeout(ctx, defaultTimeout)
        defer cancel()

        err := d.devAuth.HealthCheck(ctx)
        if err != nil {
                rest_utils.RestErrWithLog(w, r, l, err, http.StatusServiceUnavailable)
                return
        }
        w.WriteHeader(http.StatusNoContent)
}

func (d *DevAuthApiHandlers) SubmitAuthRequestHandler(w rest.ResponseWriter, r *rest.Request) {
        var authreq model.AuthReq

        ctx := r.Context()

        l := log.FromContext(ctx)

        //validate req body by reading raw content manually
        //(raw body will be needed later, DecodeJsonPayload would
        //unmarshal and close it)
        body, err := utils.ReadBodyRaw(r)
        if err != nil {
                err = errors.Wrap(err, "failed to decode auth request")
                rest_utils.RestErrWithLog(w, r, l, err, http.StatusBadRequest)
                return
        }

        err = json.Unmarshal(body, &authreq)
        if err != nil {
                err = errors.Wrap(err, "failed to decode auth request")
                rest_utils.RestErrWithLog(w, r, l, err, http.StatusBadRequest)
                return
        }

        err = authreq.Validate()
        if err != nil {
                err = errors.Wrap(err, "invalid auth request")
                rest_utils.RestErrWithLog(w, r, l, err, http.StatusBadRequest)
                return
        }

        //verify signature
        signature := r.Header.Get(HdrAuthReqSign)
        if signature == "" {
                rest_utils.RestErrWithLog(
                        w,
                        r,
                        l,
                        errors.New("missing request signature header"),
                        http.StatusBadRequest,
                )
                return
        }

        err = utils.VerifyAuthReqSign(signature, authreq.PubKeyStruct, body)
        if err != nil {
                rest_utils.RestErrWithLogMsg(
                        w,
                        r,
                        l,
                        err,
                        http.StatusUnauthorized,
                        "signature verification failed",
                )
                return
        }

        token, err := d.devAuth.SubmitAuthRequest(ctx, &authreq)

        if err != nil {
                if devauth.IsErrDevAuthUnauthorized(err) {
                        rest_utils.RestErrWithWarningMsg(w, r, l, err,
                                http.StatusUnauthorized, errors.Cause(err).Error())
                        return
                } else if devauth.IsErrDevAuthBadRequest(err) {
                        rest_utils.RestErrWithWarningMsg(w, r, l, err,
                                http.StatusBadRequest, errors.Cause(err).Error())
                        return
                }
        }

        switch err {
        case devauth.ErrDevIdAuthIdMismatch, devauth.ErrMaxDeviceCountReached:
                // error is always set to unauthorized, client does not need to
                // know why
                rest_utils.RestErrWithWarningMsg(w, r, l, devauth.ErrDevAuthUnauthorized,
                        http.StatusUnauthorized, "unauthorized")
                return
        case nil:
                _, _ = w.(http.ResponseWriter).Write([]byte(token))
                w.Header().Set("Content-Type", "application/jwt")
                return
        default:
                rest_utils.RestErrWithLogInternal(w, r, l, err)
                return
        }
}

func (d *DevAuthApiHandlers) PostDevicesV2Handler(w rest.ResponseWriter, r *rest.Request) {
        ctx := r.Context()

        l := log.FromContext(ctx)

        req, err := parsePreAuthReq(r.Body)
        if err != nil {
                err = errors.Wrap(err, "failed to decode preauth request")
                rest_utils.RestErrWithLog(w, r, l, err, http.StatusBadRequest)
                return
        }

        reqDbModel, err := req.getDbModel()
        if err != nil {
                rest_utils.RestErrWithLogInternal(w, r, l, err)
                return
        }

        device, err := d.devAuth.PreauthorizeDevice(ctx, reqDbModel)
        switch err {
        case nil:
                w.Header().Set("Location", "devices/"+reqDbModel.DeviceId)
                w.WriteHeader(http.StatusCreated)
        case devauth.ErrDeviceExists:
                l.Error(err)
                w.WriteHeader(http.StatusConflict)
                _ = w.WriteJson(device)
        default:
                rest_utils.RestErrWithLogInternal(w, r, l, err)
        }
}

func (d *DevAuthApiHandlers) SearchDevicesV2Handler(w rest.ResponseWriter, r *rest.Request) {
        ctx := r.Context()
        l := log.FromContext(ctx)

        page, perPage, err := rest_utils.ParsePagination(r)
        if err != nil {
                rest_utils.RestErrWithLog(w, r, l, err, http.StatusBadRequest)
                return
        }
        fltr := model.DeviceFilter{}

        switch strings.ToLower(r.Header.Get("Content-Type")) {
        case "application/json", "":
                err := r.DecodeJsonPayload(&fltr)
                if err != nil {
                        err = errors.Wrap(err, "api: malformed request body")
                        rest_utils.RestErrWithLog(w, r, l, err, http.StatusBadRequest)
                        return
                }

        case "application/x-www-form-urlencoded":
                if err = r.ParseForm(); err != nil {
                        err = errors.Wrap(err, "api: malformed query parameters")
                        rest_utils.RestErrWithLog(w, r, l, err, http.StatusBadRequest)
                        return
                }
                if err = fltr.ParseForm(r.Form); err != nil {
                        rest_utils.RestErrWithLog(w, r, l, err, http.StatusBadRequest)
                        return
                }

        default:
                rest_utils.RestErrWithLog(w, r, l, errors.Errorf(
                        "Content-Type '%s' not supported",
                        r.Header.Get("Content-Type"),
                ), http.StatusUnsupportedMediaType)
                return
        }

        skip := (page - 1) * perPage
        limit := perPage + 1
        devs, err := d.devAuth.GetDevices(ctx, uint(skip), uint(limit), fltr)
        if err != nil {
                rest_utils.RestErrWithLogInternal(w, r, l, err)
                return
        }

        numDevs := len(devs)
        hasNext := false
        if uint64(numDevs) > perPage {
                hasNext = true
                numDevs = int(perPage)
        }

        links := rest_utils.MakePageLinkHdrs(r, page, perPage, hasNext)

        for _, l := range links {
                w.Header().Add("Link", l)
        }

        _ = w.WriteJson(devs[:numDevs])
}

func (d *DevAuthApiHandlers) GetDevicesV2Handler(w rest.ResponseWriter, r *rest.Request) {
        r.Header.Set("Content-Type", "application/x-www-form-urlencoded")
        d.SearchDevicesV2Handler(w, r)
}

func (d *DevAuthApiHandlers) GetDevicesCountHandler(w rest.ResponseWriter, r *rest.Request) {
        ctx := r.Context()
        l := log.FromContext(ctx)

        status := r.URL.Query().Get("status")

        switch status {
        case model.DevStatusAccepted,
                model.DevStatusRejected,
                model.DevStatusPending,
                model.DevStatusPreauth,
                model.DevStatusNoAuth,
                "":
        default:
                rest_utils.RestErrWithLog(
                        w,
                        r,
                        l,
                        errors.New("status must be one of: pending, accepted, rejected, preauthorized, noauth"),
                        http.StatusBadRequest,
                )
                return
        }

        count, err := d.devAuth.GetDevCountByStatus(ctx, status)

        if err != nil {
                rest_utils.RestErrWithLogInternal(w, r, l, err)
                return
        }

        _ = w.WriteJson(model.Count{Count: count})
}

func (d *DevAuthApiHandlers) GetDeviceV2Handler(w rest.ResponseWriter, r *rest.Request) {

        ctx := r.Context()

        l := log.FromContext(ctx)

        devId := r.PathParam("id")

        dev, err := d.devAuth.GetDevice(ctx, devId)
        switch {
        case err == store.ErrDevNotFound:
                rest_utils.RestErrWithLog(w, r, l, err, http.StatusNotFound)
        case dev != nil:
                _ = w.WriteJson(dev)
        default:
                rest_utils.RestErrWithLogInternal(w, r, l, err)
        }
}

func (d *DevAuthApiHandlers) DecommissionDeviceHandler(w rest.ResponseWriter, r *rest.Request) {

        ctx := r.Context()

        l := log.FromContext(ctx)

        devId := r.PathParam("id")

        if err := d.devAuth.DecommissionDevice(ctx, devId); err != nil {
                if err == store.ErrDevNotFound {
                        w.WriteHeader(http.StatusNotFound)
                        return
                }
                rest_utils.RestErrWithLogInternal(w, r, l, err)
                return
        }

        w.WriteHeader(http.StatusNoContent)
}

func (d *DevAuthApiHandlers) DeleteDeviceAuthSetHandler(w rest.ResponseWriter, r *rest.Request) {

        ctx := r.Context()

        l := log.FromContext(ctx)

        devId := r.PathParam("id")
        authId := r.PathParam("aid")

        if err := d.devAuth.DeleteAuthSet(ctx, devId, authId); err != nil {
                if err == store.ErrAuthSetNotFound {
                        w.WriteHeader(http.StatusNotFound)
                        return
                }
                rest_utils.RestErrWithLogInternal(w, r, l, err)
                return
        }

        w.WriteHeader(http.StatusNoContent)
}

func (d *DevAuthApiHandlers) DeleteTokenHandler(w rest.ResponseWriter, r *rest.Request) {
        ctx := r.Context()

        l := log.FromContext(ctx)

        tokenID := r.PathParam("id")
        err := d.devAuth.RevokeToken(ctx, tokenID)
        if err != nil {
                if err == store.ErrTokenNotFound ||
                        err == devauth.ErrInvalidAuthSetID {
                        w.WriteHeader(http.StatusNotFound)
                        return
                }
                rest_utils.RestErrWithLogInternal(w, r, l, err)
                return
        }

        w.WriteHeader(http.StatusNoContent)
}

func (d *DevAuthApiHandlers) VerifyTokenHandler(w rest.ResponseWriter, r *rest.Request) {
        ctx := r.Context()

        l := log.FromContext(ctx)

        tokenStr, err := extractToken(r.Header)
        if err != nil {
                rest_utils.RestErrWithLog(w, r, l, ErrNoAuthHeader, http.StatusUnauthorized)
                return
        }

        ctx = ctxhttpheader.WithContext(ctx,
                r.Header,
                "X-Forwarded-Method",
                "X-Forwarded-Uri")

        // verify token
        err = d.devAuth.VerifyToken(ctx, tokenStr)
        code := http.StatusOK
        if err != nil {
                switch e := errors.Cause(err); e {
                case jwt.ErrTokenExpired:
                        code = http.StatusForbidden
                case store.ErrTokenNotFound, store.ErrAuthSetNotFound, jwt.ErrTokenInvalid:
                        code = http.StatusUnauthorized
                case cache.ErrTooManyRequests:
                        code = http.StatusTooManyRequests
                default:
                        if _, ok := e.(access.PermissionError); ok {
                                rest_utils.RestErrWithLog(w, r, l, e, http.StatusForbidden)
                        } else {
                                rest_utils.RestErrWithLogInternal(w, r, l, err)
                        }
                        return
                }
                l.Error(err)
        }

        w.WriteHeader(code)
}

func (d *DevAuthApiHandlers) UpdateDeviceStatusHandler(w rest.ResponseWriter, r *rest.Request) {
        ctx := r.Context()

        l := log.FromContext(ctx)

        devid := r.PathParam("id")
        authid := r.PathParam("aid")

        var status DevAuthApiStatus
        err := r.DecodeJsonPayload(&status)
        if err != nil {
                err = errors.Wrap(err, "failed to decode status data")
                rest_utils.RestErrWithLog(w, r, l, err, http.StatusBadRequest)
                return
        }

        if err := statusValidate(&status); err != nil {
                rest_utils.RestErrWithLog(w, r, l, err, http.StatusBadRequest)
                return
        }

        if status.Status == model.DevStatusAccepted {
                err = d.devAuth.AcceptDeviceAuth(ctx, devid, authid)
        } else if status.Status == model.DevStatusRejected {
                err = d.devAuth.RejectDeviceAuth(ctx, devid, authid)
        } else if status.Status == model.DevStatusPending {
                err = d.devAuth.ResetDeviceAuth(ctx, devid, authid)
        }
        if err != nil {
                switch err {
                case store.ErrDevNotFound, store.ErrAuthSetNotFound:
                        rest_utils.RestErrWithLog(w, r, l, err, http.StatusNotFound)
                case devauth.ErrDevIdAuthIdMismatch, devauth.ErrDevAuthBadRequest:
                        rest_utils.RestErrWithLog(w, r, l, err, http.StatusBadRequest)
                case devauth.ErrMaxDeviceCountReached:
                        rest_utils.RestErrWithLog(w, r, l, err, http.StatusUnprocessableEntity)
                default:
                        rest_utils.RestErrWithLogInternal(w, r, l, err)
                }
                return
        }

        w.WriteHeader(http.StatusNoContent)
}

type LimitValue struct {
        Limit uint64 `json:"limit"`
}

func (d *DevAuthApiHandlers) PutTenantLimitHandler(w rest.ResponseWriter, r *rest.Request) {
        ctx := r.Context()

        l := log.FromContext(ctx)

        tenantId := r.PathParam("id")
        reqLimitName := r.PathParam("name")

        if !model.IsValidLimit(reqLimitName) {
                rest_utils.RestErrWithLog(w, r, l,
                        errors.Errorf("unsupported limit %v", reqLimitName),
                        http.StatusBadRequest)
                return
        }

        var value LimitValue
        err := r.DecodeJsonPayload(&value)
        if err != nil {
                err = errors.Wrap(err, "failed to decode limit request")
                rest_utils.RestErrWithLog(w, r, l, err, http.StatusBadRequest)
                return
        }

        limit := model.Limit{
                Value: value.Limit,
                Name:  reqLimitName,
        }

        if err := d.devAuth.SetTenantLimit(ctx, tenantId, limit); err != nil {
                rest_utils.RestErrWithLogInternal(w, r, l, err)
                return
        }

        w.WriteHeader(http.StatusNoContent)
}

func (d *DevAuthApiHandlers) DeleteTenantLimitHandler(w rest.ResponseWriter, r *rest.Request) {
        ctx := r.Context()

        l := log.FromContext(ctx)

        tenantId := r.PathParam("id")
        reqLimitName := r.PathParam("name")

        if !model.IsValidLimit(reqLimitName) {
                rest_utils.RestErrWithLog(w, r, l,
                        errors.Errorf("unsupported limit %v", reqLimitName),
                        http.StatusBadRequest)
                return
        }

        if err := d.devAuth.DeleteTenantLimit(ctx, tenantId, reqLimitName); err != nil {
                rest_utils.RestErrWithLogInternal(w, r, l, err)
                return
        }

        w.WriteHeader(http.StatusNoContent)
}

func (d *DevAuthApiHandlers) GetTenantLimitHandler(w rest.ResponseWriter, r *rest.Request) {
        ctx := r.Context()

        l := log.FromContext(ctx)

        tenantId := r.PathParam("id")
        limitName := r.PathParam("name")

        if !model.IsValidLimit(limitName) {
                rest_utils.RestErrWithLog(w, r, l,
                        errors.Errorf("unsupported limit %v", limitName),
                        http.StatusBadRequest)
                return
        }

        lim, err := d.devAuth.GetTenantLimit(ctx, limitName, tenantId)
        if err != nil {
                rest_utils.RestErrWithLogInternal(w, r, l, err)
                return
        }

        _ = w.WriteJson(LimitValue{lim.Value})
}

func (d *DevAuthApiHandlers) GetLimitHandler(w rest.ResponseWriter, r *rest.Request) {
        ctx := r.Context()

        l := log.FromContext(ctx)

        name := r.PathParam("name")

        if !model.IsValidLimit(name) {
                rest_utils.RestErrWithLog(w, r, l,
                        errors.Errorf("unsupported limit %v", name),
                        http.StatusBadRequest)
                return
        }

        lim, err := d.devAuth.GetLimit(ctx, name)
        if err != nil {
                rest_utils.RestErrWithLogInternal(w, r, l, err)
                return
        }

        _ = w.WriteJson(LimitValue{lim.Value})
}

func (d *DevAuthApiHandlers) DeleteTokensHandler(w rest.ResponseWriter, r *rest.Request) {

        ctx := r.Context()

        l := log.FromContext(ctx)

        tenantId := r.URL.Query().Get("tenant_id")
        if tenantId == "" {
                rest_utils.RestErrWithLog(
                        w,
                        r,
                        l,
                        errors.New("tenant_id must be provided"),
                        http.StatusBadRequest,
                )
                return
        }
        devId := r.URL.Query().Get("device_id")

        err := d.devAuth.DeleteTokens(ctx, tenantId, devId)
        switch err {
        case nil:
                w.WriteHeader(http.StatusNoContent)
        default:
                rest_utils.RestErrWithLogInternal(w, r, l, err)
        }
}

func (d *DevAuthApiHandlers) GetAuthSetStatusHandler(w rest.ResponseWriter, r *rest.Request) {
        ctx := r.Context()
        l := log.FromContext(ctx)

        devid := r.PathParam("id")
        authid := r.PathParam("aid")

        // get authset directly from store
        aset, err := d.db.GetAuthSetById(ctx, authid)
        switch err {
        case nil:
                _ = w.WriteJson(&model.Status{Status: aset.Status})
        case store.ErrDevNotFound, store.ErrAuthSetNotFound:
                rest_utils.RestErrWithLog(w, r, l, store.ErrAuthSetNotFound, http.StatusNotFound)
        default:
                rest_utils.RestErrWithLogInternal(w, r, l,
                        errors.Wrapf(err,
                                "failed to fetch auth set %s for device %s",
                                authid, devid))
        }
}

func (d *DevAuthApiHandlers) ProvisionTenantHandler(w rest.ResponseWriter, r *rest.Request) {
        ctx := r.Context()
        l := log.FromContext(ctx)

        defer r.Body.Close()

        tenant, err := model.ParseNewTenant(r.Body)
        if err != nil {
                rest_utils.RestErrWithLog(w, r, l, err, http.StatusBadRequest)
                return
        }

        err = d.devAuth.ProvisionTenant(ctx, tenant.TenantId)
        if err != nil {
                rest_utils.RestErrWithLogInternal(w, r, l, err)
                return
        }

        w.WriteHeader(http.StatusCreated)
}

func (d *DevAuthApiHandlers) GetTenantDeviceStatus(w rest.ResponseWriter, r *rest.Request) {
        ctx := r.Context()

        l := log.FromContext(ctx)

        tid := r.PathParam("tid")
        did := r.PathParam("did")

        if did == "" {
                rest_utils.RestErrWithLog(
                        w,
                        r,
                        l,
                        errors.New("device id (did) cannot be empty"),
                        http.StatusBadRequest,
                )
                return
        }

        status, err := d.devAuth.GetTenantDeviceStatus(ctx, tid, did)
        switch err {
        case nil:
                _ = w.WriteJson(status)
        case devauth.ErrDeviceNotFound:
                rest_utils.RestErrWithLog(w, r, l, err, http.StatusNotFound)
        default:
                rest_utils.RestErrWithLogInternal(w, r, l, err)
        }
}

func (d *DevAuthApiHandlers) GetTenantDevicesHandler(w rest.ResponseWriter, r *rest.Request) {
        ctx := r.Context()
        if tid := r.PathParam("tid"); tid != "" {
                ctx = identity.WithContext(ctx, &identity.Identity{Tenant: tid})
        }
        r.Request = r.WithContext(ctx)

        d.GetDevicesV2Handler(w, r)
}

func (d *DevAuthApiHandlers) GetTenantDevicesCountHandler(w rest.ResponseWriter, r *rest.Request) {
        ctx := r.Context()
        if tid := r.PathParam("tid"); tid != "" {
                ctx = identity.WithContext(ctx, &identity.Identity{Tenant: tid})
        }
        r.Request = r.WithContext(ctx)

        d.GetDevicesCountHandler(w, r)
}

func (d *DevAuthApiHandlers) DeleteDeviceHandler(w rest.ResponseWriter, r *rest.Request) {
        ctx := r.Context()
        l := log.FromContext(ctx)
        did := r.PathParam("did")

        err := d.devAuth.DeleteDevice(ctx, did)
        switch err {
        case nil:
                w.WriteHeader(http.StatusNoContent)
        case devauth.ErrInvalidDeviceID:
                didErr := errors.New("device id (did) cannot be empty")
                rest_utils.RestErrWithLog(w, r, l, didErr, http.StatusBadRequest)
        case store.ErrDevNotFound:
                w.WriteHeader(http.StatusNotFound)
        default:
                rest_utils.RestErrWithLogInternal(w, r, l, err)
        }
}

// Validate status.
// Expected statuses:
// - "accepted"
// - "rejected"
// - "pending"
func statusValidate(status *DevAuthApiStatus) error {
        if status.Status != model.DevStatusAccepted &&
                status.Status != model.DevStatusRejected &&
                status.Status != model.DevStatusPending {
                return ErrIncorrectStatus
        } else {
                return nil
        }
}

// extracts JWT from authorization header
func extractToken(header http.Header) (string, error) {
        const authHeaderName = "Authorization"
        authHeader := header.Get(authHeaderName)
        if authHeader == "" {
                return "", ErrNoAuthHeader
        }
        tokenStr := strings.Replace(authHeader, "Bearer", "", 1)
        tokenStr = strings.Replace(tokenStr, "bearer", "", 1)
        return strings.TrimSpace(tokenStr), nil
}

mendersoftware / deviceauth / 728240484

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