1022633108

Committed 02 Oct 2023 08:56AM UTC coverage: 80.458% (-0.03%) from 80.483%

Build # 1022633108

Build Type

Pull #931

gitlab-ci

Committed by

merlin-northern

Commit Message

feat: direct upload with skip verify: set metadata on complete

Changelog: Title
Ticket: MEN-6696
Signed-off-by: Peter Grzybowski <peter@northern.tech>

Pull Request Pull Request #931: feat: direct upload with skip verify: set metadata on complete

Run Details

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84 existing lines in 1 file now uncovered.

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76.53

/api/http/api_deployments.go

// Copyright 2023 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"
        "fmt"
        "io"
        "mime/multipart"
        "net/http"
        "net/url"
        "strconv"
        "strings"
        "time"

        "github.com/ant0ine/go-json-rest/rest"
        "github.com/asaskevich/govalidator"
        "github.com/pkg/errors"

        "github.com/mendersoftware/go-lib-micro/config"
        "github.com/mendersoftware/go-lib-micro/identity"
        "github.com/mendersoftware/go-lib-micro/log"
        "github.com/mendersoftware/go-lib-micro/requestid"
        "github.com/mendersoftware/go-lib-micro/requestlog"
        "github.com/mendersoftware/go-lib-micro/rest_utils"

        "github.com/mendersoftware/deployments/app"
        dconfig "github.com/mendersoftware/deployments/config"
        "github.com/mendersoftware/deployments/model"
        "github.com/mendersoftware/deployments/store"
        "github.com/mendersoftware/deployments/utils"
)

func init() {
        rest.ErrorFieldName = "error"
}

const (
        // 15 minutes
        DefaultDownloadLinkExpire = 15 * time.Minute
        // 10 Mb
        DefaultMaxMetaSize  = 1024 * 1024 * 10
        DefaultMaxImageSize = 10 * 1024 * 1024 * 1024 // 10GiB

        // Pagination
        DefaultPerPage                      = 20
        MaximumPerPage                      = 500
        MaximumPerPageListDeviceDeployments = 20
)

const (
        // Header Constants
        hdrTotalCount    = "X-Total-Count"
        hdrForwardedHost = "X-Forwarded-Host"
)

// storage keys
const (
        // Common HTTP form parameters
        ParamArtifactName = "artifact_name"
        ParamDeviceType   = "device_type"
        ParamUpdateType   = "update_type"
        ParamDeploymentID = "deployment_id"
        ParamDeviceID     = "device_id"
        ParamTenantID     = "tenant_id"
        ParamName         = "name"
        ParamTag          = "tag"
        ParamDescription  = "description"
        ParamPage         = "page"
        ParamPerPage      = "per_page"
        ParamSort         = "sort"
        ParamID           = "id"
)

const Redacted = "REDACTED"

// JWT token
const (
        HTTPHeaderAuthorization       = "Authorization"
        HTTPHeaderAuthorizationBearer = "Bearer"
)

const (
        defaultTimeout = time.Second * 10
)

// Errors
var (
        ErrIDNotUUID                      = errors.New("ID is not a valid UUID")
        ErrEmptyID                        = errors.New("id: cannot be blank")
        ErrArtifactUsedInActiveDeployment = errors.New("Artifact is used in active deployment")
        ErrInvalidExpireParam             = errors.New("Invalid expire parameter")
        ErrArtifactNameMissing            = errors.New(
                "request does not contain the name of the artifact",
        )
        ErrArtifactTypeMissing = errors.New(
                "request does not contain the type of artifact",
        )
        ErrArtifactDeviceTypesCompatibleMissing = errors.New(
                "request does not contain the list of compatible device types",
        )
        ErrArtifactFileMissing       = errors.New("request does not contain the artifact file")
        ErrModelArtifactFileTooLarge = errors.New("Artifact file too large")

        ErrInternal                   = errors.New("Internal error")
        ErrDeploymentAlreadyFinished  = errors.New("Deployment already finished")
        ErrUnexpectedDeploymentStatus = errors.New("Unexpected deployment status")
        ErrMissingIdentity            = errors.New("Missing identity data")
        ErrMissingSize                = errors.New("missing size form-data")
        ErrMissingGroupName           = errors.New("Missing group name")

        ErrInvalidSortDirection = fmt.Errorf("invalid form value: must be one of \"%s\" or \"%s\"",
                model.SortDirectionAscending, model.SortDirectionDescending)
)

type Config struct {
        // URL signing parameters:

        // PresignSecret holds the secret value used by the signature algorithm.
        PresignSecret []byte
        // PresignExpire duration until the link expires.
        PresignExpire time.Duration
        // PresignHostname is the signed url hostname.
        PresignHostname string
        // PresignScheme is the URL scheme used for generating signed URLs.
        PresignScheme string
        // MaxImageSize is the maximum image size
        MaxImageSize int64

        EnableDirectUpload bool
        // EnableDirectUploadSkipVerify allows turning off the verification of uploaded artifacts
        EnableDirectUploadSkipVerify bool
}

func NewConfig() *Config {
        return &Config{
                PresignExpire: DefaultDownloadLinkExpire,
                PresignScheme: "https",
                MaxImageSize:  DefaultMaxImageSize,
        }
}

func (conf *Config) SetPresignSecret(key []byte) *Config {
        conf.PresignSecret = key
        return conf
}

func (conf *Config) SetPresignExpire(duration time.Duration) *Config {
        conf.PresignExpire = duration
        return conf
}

func (conf *Config) SetPresignHostname(hostname string) *Config {
        conf.PresignHostname = hostname
        return conf
}

func (conf *Config) SetPresignScheme(scheme string) *Config {
        conf.PresignScheme = scheme
        return conf
}

func (conf *Config) SetMaxImageSize(size int64) *Config {
        conf.MaxImageSize = size
        return conf
}

func (conf *Config) SetEnableDirectUpload(enable bool) *Config {
        conf.EnableDirectUpload = enable
        return conf
}

func (conf *Config) SetEnableDirectUploadSkipVerify(enable bool) *Config {
        conf.EnableDirectUploadSkipVerify = enable
        return conf
}

type DeploymentsApiHandlers struct {
        view   RESTView
        store  store.DataStore
        app    app.App
        config Config
}

func NewDeploymentsApiHandlers(
        store store.DataStore,
        view RESTView,
        app app.App,
        config ...*Config,
) *DeploymentsApiHandlers {
        conf := NewConfig()
        for _, c := range config {
                if c == nil {
                        continue
                }
                if c.PresignSecret != nil {
                        conf.PresignSecret = c.PresignSecret
                }
                if c.PresignExpire != 0 {
                        conf.PresignExpire = c.PresignExpire
                }
                if c.PresignHostname != "" {
                        conf.PresignHostname = c.PresignHostname
                }
                if c.PresignScheme != "" {
                        conf.PresignScheme = c.PresignScheme
                }
                if c.MaxImageSize > 0 {
                        conf.MaxImageSize = c.MaxImageSize
                }
                conf.EnableDirectUpload = c.EnableDirectUpload
                conf.EnableDirectUploadSkipVerify = c.EnableDirectUploadSkipVerify
        }
        return &DeploymentsApiHandlers{
                store:  store,
                view:   view,
                app:    app,
                config: *conf,
        }
}

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

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

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

func getReleaseOrImageFilter(r *rest.Request, version listReleasesVersion,
        paginated bool) *model.ReleaseOrImageFilter {

        q := r.URL.Query()

        filter := &model.ReleaseOrImageFilter{
                Name:       q.Get(ParamName),
                UpdateType: q.Get(ParamUpdateType),
        }
        if version == listReleasesV1 {
                filter.Description = q.Get(ParamDescription)
                filter.DeviceType = q.Get(ParamDeviceType)
        } else if version == listReleasesV2 {
                filter.Tags = q[ParamTag]
        }

        if paginated {
                filter.Sort = q.Get(ParamSort)
                if page := q.Get(ParamPage); page != "" {
                        if i, err := strconv.Atoi(page); err == nil {
                                filter.Page = i
                        }
                }
                if perPage := q.Get(ParamPerPage); perPage != "" {
                        if i, err := strconv.Atoi(perPage); err == nil {
                                filter.PerPage = i
                        }
                }
                if filter.Page <= 0 {
                        filter.Page = 1
                }
                if filter.PerPage <= 0 || filter.PerPage > MaximumPerPage {
                        filter.PerPage = DefaultPerPage
                }
        }

        return filter
}

type limitResponse struct {
        Limit uint64 `json:"limit"`
        Usage uint64 `json:"usage"`
}

func (d *DeploymentsApiHandlers) GetLimit(w rest.ResponseWriter, r *rest.Request) {
        l := requestlog.GetRequestLogger(r)

        name := r.PathParam("name")

        if !model.IsValidLimit(name) {
                d.view.RenderError(w, r,
                        errors.Errorf("unsupported limit %s", name),
                        http.StatusBadRequest, l)
                return
        }

        limit, err := d.app.GetLimit(r.Context(), name)
        if err != nil {
                d.view.RenderInternalError(w, r, err, l)
                return
        }

        d.view.RenderSuccessGet(w, limitResponse{
                Limit: limit.Value,
                Usage: 0, // TODO fill this when ready
        })
}

// images

func (d *DeploymentsApiHandlers) GetImage(w rest.ResponseWriter, r *rest.Request) {
        l := requestlog.GetRequestLogger(r)

        id := r.PathParam("id")

        if !govalidator.IsUUID(id) {
                d.view.RenderError(w, r, ErrIDNotUUID, http.StatusBadRequest, l)
                return
        }

        image, err := d.app.GetImage(r.Context(), id)
        if err != nil {
                d.view.RenderInternalError(w, r, err, l)
                return
        }

        if image == nil {
                d.view.RenderErrorNotFound(w, r, l)
                return
        }

        d.view.RenderSuccessGet(w, image)
}

func (d *DeploymentsApiHandlers) GetImages(w rest.ResponseWriter, r *rest.Request) {
        l := requestlog.GetRequestLogger(r)

        defer redactReleaseName(r)
        filter := getReleaseOrImageFilter(r, listReleasesV1, false)

        list, _, err := d.app.ListImages(r.Context(), filter)
        if err != nil {
                d.view.RenderInternalError(w, r, err, l)
                return
        }

        d.view.RenderSuccessGet(w, list)
}

func (d *DeploymentsApiHandlers) ListImages(w rest.ResponseWriter, r *rest.Request) {
        l := requestlog.GetRequestLogger(r)

        defer redactReleaseName(r)
        filter := getReleaseOrImageFilter(r, listReleasesV1, true)

        list, totalCount, err := d.app.ListImages(r.Context(), filter)
        if err != nil {
                d.view.RenderInternalError(w, r, err, l)
                return
        }

        hasNext := totalCount > int(filter.Page*filter.PerPage)
        links := rest_utils.MakePageLinkHdrs(r, uint64(filter.Page), uint64(filter.PerPage), hasNext)
        for _, l := range links {
                w.Header().Add("Link", l)
        }
        w.Header().Add(hdrTotalCount, strconv.Itoa(totalCount))

        d.view.RenderSuccessGet(w, list)
}

func (d *DeploymentsApiHandlers) DownloadLink(w rest.ResponseWriter, r *rest.Request) {
        l := requestlog.GetRequestLogger(r)

        id := r.PathParam("id")

        if !govalidator.IsUUID(id) {
                d.view.RenderError(w, r, ErrIDNotUUID, http.StatusBadRequest, l)
                return
        }

        expireSeconds := config.Config.GetInt(dconfig.SettingsStorageDownloadExpireSeconds)
        link, err := d.app.DownloadLink(r.Context(), id, time.Duration(expireSeconds)*time.Second)
        if err != nil {
                d.view.RenderInternalError(w, r, err, l)
                return
        }

        if link == nil {
                d.view.RenderErrorNotFound(w, r, l)
                return
        }

        d.view.RenderSuccessGet(w, link)
}

func (d *DeploymentsApiHandlers) UploadLink(w rest.ResponseWriter, r *rest.Request) {
        l := requestlog.GetRequestLogger(r)

        expireSeconds := config.Config.GetInt(dconfig.SettingsStorageUploadExpireSeconds)
        link, err := d.app.UploadLink(
                r.Context(),
                time.Duration(expireSeconds)*time.Second,
                d.config.EnableDirectUploadSkipVerify,
        )
        if err != nil {
                d.view.RenderInternalError(w, r, err, l)
                return
        }

        if link == nil {
                d.view.RenderErrorNotFound(w, r, l)
                return
        }

        d.view.RenderSuccessGet(w, link)
}

const maxMetadataSize = 2048

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

        artifactID := r.PathParam(ParamID)

        var metadata *model.DirectUploadMetadata
        if d.config.EnableDirectUploadSkipVerify {
                var directMetadata model.DirectUploadMetadata
                bodyBuffer := make([]byte, maxMetadataSize)
                n, err := io.ReadFull(r.Body, bodyBuffer)
                r.Body.Close()
                if err != nil && err != io.EOF && err != io.ErrUnexpectedEOF {
                        l.Errorf("error reading post body data: %s (read: %d)", err.Error(), n)
                }
                err = json.Unmarshal(bodyBuffer[:n], &directMetadata)
                if err == nil {
                        if directMetadata.Validate() == nil {
                                metadata = &directMetadata
                        }
                } else {
                        l.Errorf("error parsing json data: %s", err.Error())
                }
        }

        err := d.app.CompleteUpload(ctx, artifactID, d.config.EnableDirectUploadSkipVerify, metadata)
        switch errors.Cause(err) {
        case nil:
                // w.Header().Set("Link", "FEAT: Upload status API")
                w.WriteHeader(http.StatusAccepted)
        case app.ErrUploadNotFound:
                d.view.RenderErrorNotFound(w, r, l)
        default:
                l.Error(err)
                w.WriteHeader(http.StatusInternalServerError)
                w.WriteJson(rest_utils.ApiError{ // nolint:errcheck
                        Err:   "internal server error",
                        ReqId: requestid.FromContext(ctx),
                })
        }
}

func (d *DeploymentsApiHandlers) DownloadConfiguration(w rest.ResponseWriter, r *rest.Request) {
        if d.config.PresignSecret == nil {
                rest.NotFound(w, r)
                return
        }
        var (
                deviceID, _     = url.PathUnescape(r.PathParam(ParamDeviceID))
                deviceType, _   = url.PathUnescape(r.PathParam(ParamDeviceType))
                deploymentID, _ = url.PathUnescape(r.PathParam(ParamDeploymentID))
        )
        if deviceID == "" || deviceType == "" || deploymentID == "" {
                rest.NotFound(w, r)
                return
        }

        var (
                tenantID string
                l        = log.FromContext(r.Context())
                q        = r.URL.Query()
                err      error
        )
        tenantID = q.Get(ParamTenantID)
        sig := model.NewRequestSignature(r.Request, d.config.PresignSecret)
        if err = sig.Validate(); err != nil {
                switch cause := errors.Cause(err); cause {
                case model.ErrLinkExpired:
                        d.view.RenderError(w, r, cause, http.StatusForbidden, l)
                default:
                        d.view.RenderError(w, r,
                                errors.Wrap(err, "invalid request parameters"),
                                http.StatusBadRequest, l,
                        )
                }
                return
        }

        if !sig.VerifyHMAC256() {
                d.view.RenderError(w, r,
                        errors.New("signature invalid"),
                        http.StatusForbidden, l,
                )
                return
        }

        // Validate request signature
        ctx := identity.WithContext(r.Context(), &identity.Identity{
                Subject:  deviceID,
                Tenant:   tenantID,
                IsDevice: true,
        })

        artifact, err := d.app.GenerateConfigurationImage(ctx, deviceType, deploymentID)
        if err != nil {
                switch cause := errors.Cause(err); cause {
                case app.ErrModelDeploymentNotFound:
                        d.view.RenderError(w, r,
                                errors.Errorf(
                                        "deployment with id '%s' not found",
                                        deploymentID,
                                ),
                                http.StatusNotFound, l,
                        )
                default:
                        l.Error(err.Error())
                        d.view.RenderInternalError(w, r, err, l)
                }
                return
        }
        artifactPayload, err := io.ReadAll(artifact)
        if err != nil {
                l.Error(err.Error())
                d.view.RenderInternalError(w, r, err, l)
                return
        }

        rw := w.(http.ResponseWriter)
        hdr := rw.Header()
        hdr.Set("Content-Disposition", `attachment; filename="artifact.mender"`)
        hdr.Set("Content-Type", app.ArtifactContentType)
        hdr.Set("Content-Length", strconv.Itoa(len(artifactPayload)))
        rw.WriteHeader(http.StatusOK)
        _, err = rw.Write(artifactPayload)
        if err != nil {
                // There's not anything we can do here in terms of the response.
                l.Error(err.Error())
        }
}

func (d *DeploymentsApiHandlers) DeleteImage(w rest.ResponseWriter, r *rest.Request) {
        l := requestlog.GetRequestLogger(r)

        id := r.PathParam("id")

        if !govalidator.IsUUID(id) {
                d.view.RenderError(w, r, ErrIDNotUUID, http.StatusBadRequest, l)
                return
        }

        if err := d.app.DeleteImage(r.Context(), id); err != nil {
                switch err {
                default:
                        d.view.RenderInternalError(w, r, err, l)
                case app.ErrImageMetaNotFound:
                        d.view.RenderErrorNotFound(w, r, l)
                case app.ErrModelImageInActiveDeployment:
                        d.view.RenderError(w, r, ErrArtifactUsedInActiveDeployment, http.StatusConflict, l)
                }
                return
        }

        d.view.RenderSuccessDelete(w)
}

func (d *DeploymentsApiHandlers) EditImage(w rest.ResponseWriter, r *rest.Request) {
        l := requestlog.GetRequestLogger(r)

        id := r.PathParam("id")

        if !govalidator.IsUUID(id) {
                d.view.RenderError(w, r, ErrIDNotUUID, http.StatusBadRequest, l)
                return
        }

        constructor, err := getImageMetaFromBody(r)
        if err != nil {
                d.view.RenderError(
                        w,
                        r,
                        errors.Wrap(err, "Validating request body"),
                        http.StatusBadRequest,
                        l,
                )
                return
        }

        found, err := d.app.EditImage(r.Context(), id, constructor)
        if err != nil {
                if err == app.ErrModelImageUsedInAnyDeployment {
                        d.view.RenderError(w, r, err, http.StatusUnprocessableEntity, l)
                        return
                }
                d.view.RenderInternalError(w, r, err, l)
                return
        }

        if !found {
                d.view.RenderErrorNotFound(w, r, l)
                return
        }

        d.view.RenderSuccessPut(w)
}

func getImageMetaFromBody(r *rest.Request) (*model.ImageMeta, error) {

        var constructor *model.ImageMeta

        if err := r.DecodeJsonPayload(&constructor); err != nil {
                return nil, err
        }

        if err := constructor.Validate(); err != nil {
                return nil, err
        }

        return constructor, nil
}

// NewImage is the Multipart Image/Meta upload handler.
// Request should be of type "multipart/form-data". The parts are
// key/value pairs of metadata information except the last one,
// which must contain the artifact file.
func (d *DeploymentsApiHandlers) NewImage(w rest.ResponseWriter, r *rest.Request) {
        d.newImageWithContext(r.Context(), w, r)
}

func (d *DeploymentsApiHandlers) NewImageForTenantHandler(w rest.ResponseWriter, r *rest.Request) {
        l := requestlog.GetRequestLogger(r)

        tenantID := r.PathParam("tenant")

        if tenantID == "" {
                rest_utils.RestErrWithLog(
                        w,
                        r,
                        l,
                        fmt.Errorf("missing tenant id in path"),
                        http.StatusBadRequest,
                )
                return
        }

        var ctx context.Context
        if tenantID != "default" {
                ident := &identity.Identity{Tenant: tenantID}
                ctx = identity.WithContext(r.Context(), ident)
        } else {
                ctx = r.Context()
        }

        d.newImageWithContext(ctx, w, r)
}

func (d *DeploymentsApiHandlers) newImageWithContext(
        ctx context.Context,
        w rest.ResponseWriter,
        r *rest.Request,
) {
        l := requestlog.GetRequestLogger(r)

        formReader, err := r.MultipartReader()
        if err != nil {
                d.view.RenderError(w, r, err, http.StatusBadRequest, l)
                return
        }

        // parse multipart message
        multipartUploadMsg, err := d.ParseMultipart(formReader)

        if err != nil {
                d.view.RenderError(w, r, err, http.StatusBadRequest, l)
                return
        }

        imgID, err := d.app.CreateImage(ctx, multipartUploadMsg)
        if err == nil {
                d.view.RenderSuccessPost(w, r, imgID)
                return
        }
        var cErr *model.ConflictError
        if errors.As(err, &cErr) {
                w.WriteHeader(http.StatusConflict)
                _ = cErr.WithRequestID(requestid.FromContext(ctx))
                err = w.WriteJson(cErr)
                if err != nil {
                        l.Error(err)
                } else {
                        l.Error(cErr.Error())
                }
                return
        }
        cause := errors.Cause(err)
        switch cause {
        default:
                d.view.RenderInternalError(w, r, err, l)
                return
        case app.ErrModelArtifactNotUnique:
                l.Error(err.Error())
                d.view.RenderError(w, r, cause, http.StatusUnprocessableEntity, l)
                return
        case app.ErrModelParsingArtifactFailed:
                l.Error(err.Error())
                d.view.RenderError(w, r, formatArtifactUploadError(err), http.StatusBadRequest, l)
                return
        case app.ErrModelMissingInputMetadata, app.ErrModelMissingInputArtifact,
                app.ErrModelInvalidMetadata, app.ErrModelMultipartUploadMsgMalformed,
                io.ErrUnexpectedEOF, utils.ErrStreamTooLarge, ErrModelArtifactFileTooLarge:
                l.Error(err.Error())
                d.view.RenderError(w, r, cause, http.StatusBadRequest, l)
                return
        }
}

func formatArtifactUploadError(err error) error {
        // remove generic message
        errMsg := strings.TrimSuffix(err.Error(), ": "+app.ErrModelParsingArtifactFailed.Error())

        // handle specific cases

        if strings.Contains(errMsg, "invalid checksum") {
                return errors.New(errMsg[strings.Index(errMsg, "invalid checksum"):])
        }

        if strings.Contains(errMsg, "unsupported version") {
                return errors.New(errMsg[strings.Index(errMsg, "unsupported version"):] +
                        "; supported versions are: 1, 2")
        }

        return errors.New(errMsg)
}

// GenerateImage s the multipart Raw Data/Meta upload handler.
// Request should be of type "multipart/form-data". The parts are
// key/valyue pairs of metadata information except the last one,
// which must contain the file containing the raw data to be processed
// into an artifact.
func (d *DeploymentsApiHandlers) GenerateImage(w rest.ResponseWriter, r *rest.Request) {
        l := requestlog.GetRequestLogger(r)

        formReader, err := r.MultipartReader()
        if err != nil {
                d.view.RenderError(w, r, err, http.StatusBadRequest, l)
                return
        }

        // parse multipart message
        multipartMsg, err := d.ParseGenerateImageMultipart(formReader)
        if err != nil {
                d.view.RenderError(w, r, err, http.StatusBadRequest, l)
                return
        }

        tokenFields := strings.Fields(r.Header.Get("Authorization"))
        if len(tokenFields) == 2 && strings.EqualFold(tokenFields[0], "Bearer") {
                multipartMsg.Token = tokenFields[1]
        }

        imgID, err := d.app.GenerateImage(r.Context(), multipartMsg)
        cause := errors.Cause(err)
        switch cause {
        default:
                d.view.RenderInternalError(w, r, err, l)
        case nil:
                d.view.RenderSuccessPost(w, r, imgID)
        case app.ErrModelArtifactNotUnique:
                l.Error(err.Error())
                d.view.RenderError(w, r, cause, http.StatusUnprocessableEntity, l)
        case app.ErrModelParsingArtifactFailed:
                l.Error(err.Error())
                d.view.RenderError(w, r, formatArtifactUploadError(err), http.StatusBadRequest, l)
        case app.ErrModelMissingInputMetadata, app.ErrModelMissingInputArtifact,
                app.ErrModelInvalidMetadata, app.ErrModelMultipartUploadMsgMalformed,
                io.ErrUnexpectedEOF, utils.ErrStreamTooLarge, ErrModelArtifactFileTooLarge:
                l.Error(err.Error())
                d.view.RenderError(w, r, cause, http.StatusBadRequest, l)
        }
}

// ParseMultipart parses multipart/form-data message.
func (d *DeploymentsApiHandlers) ParseMultipart(
        r *multipart.Reader,
) (*model.MultipartUploadMsg, error) {
        uploadMsg := &model.MultipartUploadMsg{
                MetaConstructor: &model.ImageMeta{},
        }
        var size int64
        // Parse the multipart form sequentially. To remain backward compatible
        // all form names that are not part of the API are ignored.
        for {
                part, err := r.NextPart()
                if err != nil {
                        if err == io.EOF {
                                // The whole message has been consumed without
                                // the "artifact" form part.
                                return nil, ErrArtifactFileMissing
                        }
                        return nil, err
                }
                switch strings.ToLower(part.FormName()) {
                case "description":
                        // Add description to the metadata
                        dscr, err := io.ReadAll(part)
                        if err != nil {
                                return nil, err
                        }
                        uploadMsg.MetaConstructor.Description = string(dscr)

                case "size":
                        // Add size limit to the metadata
                        sz, err := io.ReadAll(part)
                        if err != nil {
                                return nil, err
                        }
                        size, err = strconv.ParseInt(string(sz), 10, 64)
                        if err != nil {
                                return nil, err
                        }
                        // Add one since this will impose the upper limit on the
                        // artifact size.
                        if size > d.config.MaxImageSize {
                                return nil, ErrModelArtifactFileTooLarge
                        }

                case "artifact_id":
                        // Add artifact id to the metadata (must be a valid UUID).
                        b, err := io.ReadAll(part)
                        if err != nil {
                                return nil, err
                        }
                        id := string(b)
                        if !govalidator.IsUUID(id) {
                                return nil, errors.New(
                                        "artifact_id is not a valid UUID",
                                )
                        }
                        uploadMsg.ArtifactID = id

                case "artifact":
                        // Assign the form-data payload to the artifact reader
                        // and return. The content is consumed elsewhere.
                        if size > 0 {
                                uploadMsg.ArtifactReader = utils.ReadExactly(part, size)
                        } else {
                                uploadMsg.ArtifactReader = utils.ReadAtMost(
                                        part,
                                        d.config.MaxImageSize,
                                )
                        }
                        return uploadMsg, nil

                default:
                        // Ignore all non-API sections.
                        continue
                }
        }
}

// ParseGenerateImageMultipart parses multipart/form-data message.
func (d *DeploymentsApiHandlers) ParseGenerateImageMultipart(
        r *multipart.Reader,
) (*model.MultipartGenerateImageMsg, error) {
        msg := &model.MultipartGenerateImageMsg{}
        var size int64

ParseLoop:
        for {
                part, err := r.NextPart()
                if err != nil {
                        if err == io.EOF {
                                break
                        }
                        return nil, err
                }
                switch strings.ToLower(part.FormName()) {
                case "args":
                        b, err := io.ReadAll(part)
                        if err != nil {
                                return nil, errors.Wrap(err,
                                        "failed to read form value 'args'",
                                )
                        }
                        msg.Args = string(b)

                case "description":
                        b, err := io.ReadAll(part)
                        if err != nil {
                                return nil, errors.Wrap(err,
                                        "failed to read form value 'description'",
                                )
                        }
                        msg.Description = string(b)

                case "device_types_compatible":
                        b, err := io.ReadAll(part)
                        if err != nil {
                                return nil, errors.Wrap(err,
                                        "failed to read form value 'device_types_compatible'",
                                )
                        }
                        msg.DeviceTypesCompatible = strings.Split(string(b), ",")

                case "file":
                        if size > 0 {
                                msg.FileReader = utils.ReadExactly(part, size)
                        } else {
                                msg.FileReader = utils.ReadAtMost(part, d.config.MaxImageSize)
                        }
                        break ParseLoop

                case "name":
                        b, err := io.ReadAll(part)
                        if err != nil {
                                return nil, errors.Wrap(err,
                                        "failed to read form value 'name'",
                                )
                        }
                        msg.Name = string(b)

                case "type":
                        b, err := io.ReadAll(part)
                        if err != nil {
                                return nil, errors.Wrap(err,
                                        "failed to read form value 'type'",
                                )
                        }
                        msg.Type = string(b)

                case "size":
                        // Add size limit to the metadata
                        sz, err := io.ReadAll(part)
                        if err != nil {
                                return nil, err
                        }
                        size, err = strconv.ParseInt(string(sz), 10, 64)
                        if err != nil {
                                return nil, err
                        }
                        // Add one since this will impose the upper limit on the
                        // artifact size.
                        if size > d.config.MaxImageSize {
                                return nil, ErrModelArtifactFileTooLarge
                        }

                default:
                        // Ignore non-API sections.
                        continue
                }
        }

        return msg, errors.Wrap(msg.Validate(), "api: invalid form parameters")
}

// deployments
func (d *DeploymentsApiHandlers) createDeployment(
        w rest.ResponseWriter,
        r *rest.Request,
        ctx context.Context,
        l *log.Logger,
        group string,
) {
        constructor, err := d.getDeploymentConstructorFromBody(r, group)
        if err != nil {
                d.view.RenderError(
                        w,
                        r,
                        errors.Wrap(err, "Validating request body"),
                        http.StatusBadRequest,
                        l,
                )
                return
        }

        id, err := d.app.CreateDeployment(ctx, constructor)
        switch err {
        case nil:
                // in case of deployment to group remove "/group/{name}" from path before creating location
                // haeder
                r.URL.Path = strings.TrimSuffix(r.URL.Path, "/group/"+constructor.Group)
                d.view.RenderSuccessPost(w, r, id)
        case app.ErrNoArtifact:
                d.view.RenderError(w, r, err, http.StatusUnprocessableEntity, l)
        case app.ErrNoDevices:
                d.view.RenderError(w, r, err, http.StatusBadRequest, l)
        default:
                d.view.RenderInternalError(w, r, err, l)
        }
}

func (d *DeploymentsApiHandlers) PostDeployment(w rest.ResponseWriter, r *rest.Request) {
        ctx := r.Context()
        l := requestlog.GetRequestLogger(r)

        d.createDeployment(w, r, ctx, l, "")
}

func (d *DeploymentsApiHandlers) DeployToGroup(w rest.ResponseWriter, r *rest.Request) {
        ctx := r.Context()
        l := requestlog.GetRequestLogger(r)

        group := r.PathParam("name")
        if len(group) < 1 {
                d.view.RenderError(w, r, ErrMissingGroupName, http.StatusBadRequest, l)
        }
        d.createDeployment(w, r, ctx, l, group)
}

// parseDeviceConfigurationDeploymentPathParams parses expected params
// and check if the params are not empty
func parseDeviceConfigurationDeploymentPathParams(r *rest.Request) (string, string, string, error) {
        tenantID := r.PathParam("tenant")
        deviceID := r.PathParam(ParamDeviceID)
        if deviceID == "" {
                return "", "", "", errors.New("device ID missing")
        }
        deploymentID := r.PathParam(ParamDeploymentID)
        if deploymentID == "" {
                return "", "", "", errors.New("deployment ID missing")
        }
        return tenantID, deviceID, deploymentID, nil
}

// getConfigurationDeploymentConstructorFromBody extracts configuration
// deployment constructor from the request body and validates it
func getConfigurationDeploymentConstructorFromBody(r *rest.Request) (
        *model.ConfigurationDeploymentConstructor, error) {

        var constructor *model.ConfigurationDeploymentConstructor

        if err := r.DecodeJsonPayload(&constructor); err != nil {
                return nil, err
        }

        if err := constructor.Validate(); err != nil {
                return nil, err
        }

        return constructor, nil
}

// device configuration deployment handler
func (d *DeploymentsApiHandlers) PostDeviceConfigurationDeployment(
        w rest.ResponseWriter,
        r *rest.Request,
) {
        l := requestlog.GetRequestLogger(r)

        // get path params
        tenantID, deviceID, deploymentID, err := parseDeviceConfigurationDeploymentPathParams(r)
        if err != nil {
                rest_utils.RestErrWithLog(w, r, l, err, http.StatusBadRequest)
                return
        }

        // add tenant id to the context
        ctx := identity.WithContext(r.Context(), &identity.Identity{Tenant: tenantID})

        constructor, err := getConfigurationDeploymentConstructorFromBody(r)
        if err != nil {
                d.view.RenderError(
                        w,
                        r,
                        errors.Wrap(err, "Validating request body"),
                        http.StatusBadRequest,
                        l,
                )
                return
        }

        id, err := d.app.CreateDeviceConfigurationDeployment(ctx, constructor, deviceID, deploymentID)
        switch err {
        default:
                d.view.RenderInternalError(w, r, err, l)
        case nil:
                r.URL.Path = "./deployments"
                d.view.RenderSuccessPost(w, r, id)
        case app.ErrDuplicateDeployment:
                d.view.RenderError(w, r, err, http.StatusConflict, l)
        case app.ErrInvalidDeploymentID:
                d.view.RenderError(w, r, err, http.StatusBadRequest, l)
        }
}

func (d *DeploymentsApiHandlers) getDeploymentConstructorFromBody(
        r *rest.Request,
        group string,
) (*model.DeploymentConstructor, error) {
        var constructor *model.DeploymentConstructor
        if err := r.DecodeJsonPayload(&constructor); err != nil {
                return nil, err
        }

        constructor.Group = group

        if err := constructor.ValidateNew(); err != nil {
                return nil, err
        }

        return constructor, nil
}

func (d *DeploymentsApiHandlers) GetDeployment(w rest.ResponseWriter, r *rest.Request) {
        ctx := r.Context()
        l := requestlog.GetRequestLogger(r)

        id := r.PathParam("id")

        if !govalidator.IsUUID(id) {
                d.view.RenderError(w, r, ErrIDNotUUID, http.StatusBadRequest, l)
                return
        }

        deployment, err := d.app.GetDeployment(ctx, id)
        if err != nil {
                d.view.RenderInternalError(w, r, err, l)
                return
        }

        if deployment == nil {
                d.view.RenderErrorNotFound(w, r, l)
                return
        }

        d.view.RenderSuccessGet(w, deployment)
}

func (d *DeploymentsApiHandlers) GetDeploymentStats(w rest.ResponseWriter, r *rest.Request) {
        ctx := r.Context()
        l := requestlog.GetRequestLogger(r)

        id := r.PathParam("id")

        if !govalidator.IsUUID(id) {
                d.view.RenderError(w, r, ErrIDNotUUID, http.StatusBadRequest, l)
                return
        }

        stats, err := d.app.GetDeploymentStats(ctx, id)
        if err != nil {
                d.view.RenderInternalError(w, r, err, l)
                return
        }

        if stats == nil {
                d.view.RenderErrorNotFound(w, r, l)
                return
        }

        d.view.RenderSuccessGet(w, stats)
}

func (d *DeploymentsApiHandlers) GetDeploymentsStats(w rest.ResponseWriter, r *rest.Request) {

        ctx := r.Context()
        l := requestlog.GetRequestLogger(r)

        ids := model.DeploymentIDs{}
        if err := r.DecodeJsonPayload(&ids); err != nil {
                d.view.RenderError(w, r, err, http.StatusBadRequest, l)
                return
        }

        if len(ids.IDs) == 0 {
                w.WriteHeader(http.StatusOK)
                _ = w.WriteJson(struct{}{})
                return
        }

        if err := ids.Validate(); err != nil {
                d.view.RenderError(w, r, err, http.StatusBadRequest, l)
                return
        }

        stats, err := d.app.GetDeploymentsStats(ctx, ids.IDs...)
        if err != nil {
                if errors.Is(err, app.ErrModelDeploymentNotFound) {
                        d.view.RenderError(w, r, err, http.StatusNotFound, l)
                        return
                }
                d.view.RenderInternalError(w, r, err, l)
                return
        }

        w.WriteHeader(http.StatusOK)

        _ = w.WriteJson(stats)
}

func (d *DeploymentsApiHandlers) GetDeploymentDeviceList(w rest.ResponseWriter, r *rest.Request) {
        ctx := r.Context()
        l := requestlog.GetRequestLogger(r)

        id := r.PathParam("id")

        if !govalidator.IsUUID(id) {
                d.view.RenderError(w, r, ErrIDNotUUID, http.StatusBadRequest, l)
                return
        }

        deployment, err := d.app.GetDeployment(ctx, id)
        if err != nil {
                d.view.RenderInternalError(w, r, err, l)
                return
        }

        if deployment == nil {
                d.view.RenderErrorNotFound(w, r, l)
                return
        }

        d.view.RenderSuccessGet(w, deployment.DeviceList)
}

func (d *DeploymentsApiHandlers) AbortDeployment(w rest.ResponseWriter, r *rest.Request) {
        ctx := r.Context()
        l := requestlog.GetRequestLogger(r)

        id := r.PathParam("id")

        if !govalidator.IsUUID(id) {
                d.view.RenderError(w, r, ErrIDNotUUID, http.StatusBadRequest, l)
                return
        }

        // receive request body
        var status struct {
                Status model.DeviceDeploymentStatus
        }

        err := r.DecodeJsonPayload(&status)
        if err != nil {
                d.view.RenderError(w, r, err, http.StatusBadRequest, l)
                return
        }
        // "aborted" is the only supported status
        if status.Status != model.DeviceDeploymentStatusAborted {
                d.view.RenderError(w, r, ErrUnexpectedDeploymentStatus, http.StatusBadRequest, l)
        }

        l.Infof("Abort deployment: %s", id)

        // Check if deployment is finished
        isDeploymentFinished, err := d.app.IsDeploymentFinished(ctx, id)
        if err != nil {
                d.view.RenderInternalError(w, r, err, l)
                return
        }
        if isDeploymentFinished {
                d.view.RenderError(w, r, ErrDeploymentAlreadyFinished, http.StatusUnprocessableEntity, l)
                return
        }

        // Abort deployments for devices and update deployment stats
        if err := d.app.AbortDeployment(ctx, id); err != nil {
                d.view.RenderInternalError(w, r, err, l)
        }

        d.view.RenderEmptySuccessResponse(w)
}

func (d *DeploymentsApiHandlers) GetDeploymentForDevice(w rest.ResponseWriter, r *rest.Request) {
        var (
                installed *model.InstalledDeviceDeployment
                ctx       = r.Context()
                l         = requestlog.GetRequestLogger(r)
                idata     = identity.FromContext(ctx)
        )
        if idata == nil {
                d.view.RenderError(w, r, ErrMissingIdentity, http.StatusBadRequest, l)
                return
        }

        q := r.URL.Query()
        defer func() {
                var reEncode bool = false
                if name := q.Get(ParamArtifactName); name != "" {
                        q.Set(ParamArtifactName, Redacted)
                        reEncode = true
                }
                if typ := q.Get(ParamDeviceType); typ != "" {
                        q.Set(ParamDeviceType, Redacted)
                        reEncode = true
                }
                if reEncode {
                        r.URL.RawQuery = q.Encode()
                }
        }()
        if strings.EqualFold(r.Method, http.MethodPost) {
                // POST
                installed = new(model.InstalledDeviceDeployment)
                if err := r.DecodeJsonPayload(&installed); err != nil {
                        d.view.RenderError(w, r,
                                errors.Wrap(err, "invalid schema"),
                                http.StatusBadRequest, l)
                        return
                }
        } else {
                // GET or HEAD
                installed = &model.InstalledDeviceDeployment{
                        ArtifactName: q.Get(ParamArtifactName),
                        DeviceType:   q.Get(ParamDeviceType),
                }
        }

        if err := installed.Validate(); err != nil {
                d.view.RenderError(w, r, err, http.StatusBadRequest, l)
                return
        }

        request := &model.DeploymentNextRequest{
                DeviceProvides: installed,
        }

        d.getDeploymentForDevice(w, r, idata, request)
}

func (d *DeploymentsApiHandlers) getDeploymentForDevice(
        w rest.ResponseWriter,
        r *rest.Request,
        idata *identity.Identity,
        request *model.DeploymentNextRequest,
) {
        ctx := r.Context()
        l := requestlog.GetRequestLogger(r)

        deployment, err := d.app.GetDeploymentForDeviceWithCurrent(ctx, idata.Subject, request)
        if err != nil {
                if err == app.ErrConflictingRequestData {
                        d.view.RenderError(w, r, err, http.StatusConflict, l)
                } else {
                        d.view.RenderInternalError(w, r, err, l)
                }
                return
        }

        if deployment == nil {
                d.view.RenderNoUpdateForDevice(w)
                return
        } else if deployment.Type == model.DeploymentTypeConfiguration {
                // Generate pre-signed URL
                var hostName string = d.config.PresignHostname
                if hostName == "" {
                        if hostName = r.Header.Get(hdrForwardedHost); hostName == "" {
                                d.view.RenderInternalError(w, r,
                                        errors.New("presign.hostname not configured; "+
                                                "unable to generate download link "+
                                                " for configuration deployment"), l)
                                return
                        }
                }
                req, _ := http.NewRequest(
                        http.MethodGet,
                        FMTConfigURL(
                                d.config.PresignScheme, hostName,
                                deployment.ID, request.DeviceProvides.DeviceType,
                                idata.Subject,
                        ),
                        nil,
                )
                if idata.Tenant != "" {
                        q := req.URL.Query()
                        q.Set(model.ParamTenantID, idata.Tenant)
                        req.URL.RawQuery = q.Encode()
                }
                sig := model.NewRequestSignature(req, d.config.PresignSecret)
                expireTS := time.Now().Add(d.config.PresignExpire)
                sig.SetExpire(expireTS)
                deployment.Artifact.Source = model.Link{
                        Uri:    sig.PresignURL(),
                        Expire: expireTS,
                }
        }

        d.view.RenderSuccessGet(w, deployment)
}

func (d *DeploymentsApiHandlers) PutDeploymentStatusForDevice(
        w rest.ResponseWriter,
        r *rest.Request,
) {
        ctx := r.Context()
        l := requestlog.GetRequestLogger(r)

        did := r.PathParam("id")

        idata := identity.FromContext(ctx)
        if idata == nil {
                d.view.RenderError(w, r, ErrMissingIdentity, http.StatusBadRequest, l)
                return
        }

        // receive request body
        var report model.StatusReport

        err := r.DecodeJsonPayload(&report)
        if err != nil {
                d.view.RenderError(w, r, err, http.StatusBadRequest, l)
                return
        }

        l.Infof("status: %+v", report)
        if err := d.app.UpdateDeviceDeploymentStatus(ctx, did,
                idata.Subject, model.DeviceDeploymentState{
                        Status:   report.Status,
                        SubState: report.SubState,
                }); err != nil {

                if err == app.ErrDeploymentAborted || err == app.ErrDeviceDecommissioned {
                        d.view.RenderError(w, r, err, http.StatusConflict, l)
                } else if err == app.ErrStorageNotFound {
                        d.view.RenderErrorNotFound(w, r, l)
                } else {
                        d.view.RenderInternalError(w, r, err, l)
                }
                return
        }

        d.view.RenderEmptySuccessResponse(w)
}

func (d *DeploymentsApiHandlers) GetDeviceStatusesForDeployment(
        w rest.ResponseWriter,
        r *rest.Request,
) {
        ctx := r.Context()
        l := requestlog.GetRequestLogger(r)

        did := r.PathParam("id")

        if !govalidator.IsUUID(did) {
                d.view.RenderError(w, r, ErrIDNotUUID, http.StatusBadRequest, l)
                return
        }

        statuses, err := d.app.GetDeviceStatusesForDeployment(ctx, did)
        if err != nil {
                switch err {
                case app.ErrModelDeploymentNotFound:
                        d.view.RenderError(w, r, err, http.StatusNotFound, l)
                        return
                default:
                        d.view.RenderInternalError(w, r, ErrInternal, l)
                        return
                }
        }

        d.view.RenderSuccessGet(w, statuses)
}

func (d *DeploymentsApiHandlers) GetDevicesListForDeployment(
        w rest.ResponseWriter,
        r *rest.Request,
) {
        ctx := r.Context()
        l := requestlog.GetRequestLogger(r)

        did := r.PathParam("id")

        if !govalidator.IsUUID(did) {
                d.view.RenderError(w, r, ErrIDNotUUID, http.StatusBadRequest, l)
                return
        }

        page, perPage, err := rest_utils.ParsePagination(r)
        if err != nil {
                d.view.RenderError(w, r, err, http.StatusBadRequest, l)
                return
        }

        lq := store.ListQuery{
                Skip:         int((page - 1) * perPage),
                Limit:        int(perPage),
                DeploymentID: did,
        }
        if status := r.URL.Query().Get("status"); status != "" {
                lq.Status = &status
        }
        if err = lq.Validate(); err != nil {
                d.view.RenderError(w, r, err, http.StatusBadRequest, l)
                return
        }

        statuses, totalCount, err := d.app.GetDevicesListForDeployment(ctx, lq)
        if err != nil {
                switch err {
                case app.ErrModelDeploymentNotFound:
                        d.view.RenderError(w, r, err, http.StatusNotFound, l)
                        return
                default:
                        d.view.RenderInternalError(w, r, ErrInternal, l)
                        return
                }
        }

        hasNext := totalCount > int(page*perPage)
        links := rest_utils.MakePageLinkHdrs(r, page, perPage, hasNext)
        for _, l := range links {
                w.Header().Add("Link", l)
        }
        w.Header().Add(hdrTotalCount, strconv.Itoa(totalCount))
        d.view.RenderSuccessGet(w, statuses)
}

func ParseLookupQuery(vals url.Values) (model.Query, error) {
        query := model.Query{}

        search := vals.Get("search")
        if search != "" {
                query.SearchText = search
        }

        createdBefore := vals.Get("created_before")
        if createdBefore != "" {
                if createdBeforeTime, err := parseEpochToTimestamp(createdBefore); err != nil {
                        return query, errors.Wrap(err, "timestamp parsing failed for created_before parameter")
                } else {
                        query.CreatedBefore = &createdBeforeTime
                }
        }

        createdAfter := vals.Get("created_after")
        if createdAfter != "" {
                if createdAfterTime, err := parseEpochToTimestamp(createdAfter); err != nil {
                        return query, errors.Wrap(err, "timestamp parsing failed created_after parameter")
                } else {
                        query.CreatedAfter = &createdAfterTime
                }
        }

        switch strings.ToLower(vals.Get("sort")) {
        case model.SortDirectionAscending:
                query.Sort = model.SortDirectionAscending
        case "", model.SortDirectionDescending:
                query.Sort = model.SortDirectionDescending
        default:
                return query, ErrInvalidSortDirection
        }

        status := vals.Get("status")
        switch status {
        case "inprogress":
                query.Status = model.StatusQueryInProgress
        case "finished":
                query.Status = model.StatusQueryFinished
        case "pending":
                query.Status = model.StatusQueryPending
        case "aborted":
                query.Status = model.StatusQueryAborted
        case "":
                query.Status = model.StatusQueryAny
        default:
                return query, errors.Errorf("unknown status %s", status)

        }

        dType := vals.Get("type")
        if dType == "" {
                return query, nil
        }
        deploymentType := model.DeploymentType(dType)
        if deploymentType == model.DeploymentTypeSoftware ||
                deploymentType == model.DeploymentTypeConfiguration {
                query.Type = deploymentType
        } else {
                return query, errors.Errorf("unknown deployment type %s", dType)
        }

        return query, nil
}

func parseEpochToTimestamp(epoch string) (time.Time, error) {
        if epochInt64, err := strconv.ParseInt(epoch, 10, 64); err != nil {
                return time.Time{}, errors.Errorf("invalid timestamp: " + epoch)
        } else {
                return time.Unix(epochInt64, 0).UTC(), nil
        }
}

func (d *DeploymentsApiHandlers) LookupDeployment(w rest.ResponseWriter, r *rest.Request) {
        ctx := r.Context()
        l := requestlog.GetRequestLogger(r)
        q := r.URL.Query()
        defer func() {
                if search := q.Get("search"); search != "" {
                        q.Set("search", Redacted)
                        r.URL.RawQuery = q.Encode()
                }
        }()

        query, err := ParseLookupQuery(q)
        if err != nil {
                d.view.RenderError(w, r, err, http.StatusBadRequest, l)
                return
        }

        page, perPage, err := rest_utils.ParsePagination(r)
        if err != nil {
                d.view.RenderError(w, r, err, http.StatusBadRequest, l)
                return
        }
        query.Skip = int((page - 1) * perPage)
        query.Limit = int(perPage + 1)

        deps, totalCount, err := d.app.LookupDeployment(ctx, query)
        if err != nil {
                d.view.RenderError(w, r, err, http.StatusBadRequest, l)
                return
        }
        w.Header().Add(hdrTotalCount, strconv.FormatInt(totalCount, 10))

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

        links := rest_utils.MakePageLinkHdrs(r, page, perPage, hasNext)
        for _, l := range links {
                w.Header().Add("Link", l)
        }

        d.view.RenderSuccessGet(w, deps[:len])
}

func (d *DeploymentsApiHandlers) PutDeploymentLogForDevice(w rest.ResponseWriter, r *rest.Request) {
        ctx := r.Context()
        l := requestlog.GetRequestLogger(r)

        did := r.PathParam("id")

        idata := identity.FromContext(ctx)
        if idata == nil {
                d.view.RenderError(w, r, ErrMissingIdentity, http.StatusBadRequest, l)
                return
        }

        // reuse DeploymentLog, device and deployment IDs are ignored when
        // (un-)marshaling DeploymentLog to/from JSON
        var log model.DeploymentLog

        err := r.DecodeJsonPayload(&log)
        if err != nil {
                d.view.RenderError(w, r, err, http.StatusBadRequest, l)
                return
        }

        if err := d.app.SaveDeviceDeploymentLog(ctx, idata.Subject,
                did, log.Messages); err != nil {

                if err == app.ErrModelDeploymentNotFound {
                        d.view.RenderError(w, r, err, http.StatusNotFound, l)
                } else {
                        d.view.RenderInternalError(w, r, err, l)
                }
                return
        }

        d.view.RenderEmptySuccessResponse(w)
}

func (d *DeploymentsApiHandlers) GetDeploymentLogForDevice(w rest.ResponseWriter, r *rest.Request) {
        ctx := r.Context()
        l := requestlog.GetRequestLogger(r)

        did := r.PathParam("id")
        devid := r.PathParam("devid")

        depl, err := d.app.GetDeviceDeploymentLog(ctx, devid, did)

        if err != nil {
                d.view.RenderInternalError(w, r, err, l)
                return
        }

        if depl == nil {
                d.view.RenderErrorNotFound(w, r, l)
                return
        }

        d.view.RenderDeploymentLog(w, *depl)
}

func (d *DeploymentsApiHandlers) AbortDeviceDeployments(w rest.ResponseWriter, r *rest.Request) {
        ctx := r.Context()
        l := requestlog.GetRequestLogger(r)

        id := r.PathParam("id")
        err := d.app.AbortDeviceDeployments(ctx, id)

        switch err {
        case nil, app.ErrStorageNotFound:
                d.view.RenderEmptySuccessResponse(w)
        default:
                d.view.RenderInternalError(w, r, err, l)
        }
}

func (d *DeploymentsApiHandlers) DeleteDeviceDeploymentsHistory(w rest.ResponseWriter,
        r *rest.Request) {
        ctx := r.Context()
        l := requestlog.GetRequestLogger(r)

        id := r.PathParam("id")
        err := d.app.DeleteDeviceDeploymentsHistory(ctx, id)

        switch err {
        case nil, app.ErrStorageNotFound:
                d.view.RenderEmptySuccessResponse(w)
        default:
                d.view.RenderInternalError(w, r, err, l)
        }
}

func (d *DeploymentsApiHandlers) ListDeviceDeployments(w rest.ResponseWriter, r *rest.Request) {
        ctx := r.Context()
        d.listDeviceDeployments(ctx, w, r, true)
}

func (d *DeploymentsApiHandlers) ListDeviceDeploymentsInternal(w rest.ResponseWriter,
        r *rest.Request) {
        ctx := r.Context()
        tenantID := r.PathParam("tenant")
        if tenantID != "" {
                ctx = identity.WithContext(r.Context(), &identity.Identity{
                        Tenant:   tenantID,
                        IsDevice: true,
                })
        }
        d.listDeviceDeployments(ctx, w, r, true)
}

func (d *DeploymentsApiHandlers) ListDeviceDeploymentsByIDsInternal(w rest.ResponseWriter,
        r *rest.Request) {
        ctx := r.Context()
        tenantID := r.PathParam("tenant")
        if tenantID != "" {
                ctx = identity.WithContext(r.Context(), &identity.Identity{
                        Tenant:   tenantID,
                        IsDevice: true,
                })
        }
        d.listDeviceDeployments(ctx, w, r, false)
}

func (d *DeploymentsApiHandlers) listDeviceDeployments(ctx context.Context,
        w rest.ResponseWriter, r *rest.Request, byDeviceID bool) {
        l := requestlog.GetRequestLogger(r)

        did := ""
        var IDs []string
        if byDeviceID {
                did = r.PathParam("id")
        } else {
                values := r.URL.Query()
                if values.Has("id") && len(values["id"]) > 0 {
                        IDs = values["id"]
                } else {
                        d.view.RenderError(w, r, ErrEmptyID, http.StatusBadRequest, l)
                        return
                }
        }

        page, perPage, err := rest_utils.ParsePagination(r)
        if err == nil && perPage > MaximumPerPageListDeviceDeployments {
                err = errors.New(rest_utils.MsgQueryParmLimit(ParamPerPage))
        }
        if err != nil {
                d.view.RenderError(w, r, err, http.StatusBadRequest, l)
                return
        }

        lq := store.ListQueryDeviceDeployments{
                Skip:     int((page - 1) * perPage),
                Limit:    int(perPage),
                DeviceID: did,
                IDs:      IDs,
        }
        if status := r.URL.Query().Get("status"); status != "" {
                lq.Status = &status
        }
        if err = lq.Validate(); err != nil {
                d.view.RenderError(w, r, err, http.StatusBadRequest, l)
                return
        }

        deps, totalCount, err := d.app.GetDeviceDeploymentListForDevice(ctx, lq)
        if err != nil {
                d.view.RenderInternalError(w, r, err, l)
                return
        }
        w.Header().Add(hdrTotalCount, strconv.FormatInt(int64(totalCount), 10))

        hasNext := totalCount > lq.Skip+len(deps)
        links := rest_utils.MakePageLinkHdrs(r, page, perPage, hasNext)
        for _, l := range links {
                w.Header().Add("Link", l)
        }

        d.view.RenderSuccessGet(w, deps)
}

func (d *DeploymentsApiHandlers) AbortDeviceDeploymentsInternal(w rest.ResponseWriter,
        r *rest.Request) {
        ctx := r.Context()
        tenantID := r.PathParam("tenantID")
        if tenantID != "" {
                ctx = identity.WithContext(r.Context(), &identity.Identity{
                        Tenant:   tenantID,
                        IsDevice: true,
                })
        }

        l := requestlog.GetRequestLogger(r)

        id := r.PathParam("id")

        // Decommission deployments for devices and update deployment stats
        err := d.app.DecommissionDevice(ctx, id)

        switch err {
        case nil, app.ErrStorageNotFound:
                d.view.RenderEmptySuccessResponse(w)
        default:
                d.view.RenderInternalError(w, r, err, l)

        }
}

// tenants

func (d *DeploymentsApiHandlers) ProvisionTenantsHandler(w rest.ResponseWriter, r *rest.Request) {
        ctx := r.Context()
        l := requestlog.GetRequestLogger(r)

        defer r.Body.Close()

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

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

        w.WriteHeader(http.StatusCreated)
}

func (d *DeploymentsApiHandlers) DeploymentsPerTenantHandler(
        w rest.ResponseWriter,
        r *rest.Request,
) {
        tenantID := r.PathParam("tenant")
        if tenantID == "" {
                l := requestlog.GetRequestLogger(r)
                rest_utils.RestErrWithLog(w, r, l, errors.New("missing tenant ID"), http.StatusBadRequest)
                return
        }

        r.Request = r.WithContext(identity.WithContext(
                r.Context(),
                &identity.Identity{Tenant: tenantID},
        ))
        d.LookupDeployment(w, r)
}

func (d *DeploymentsApiHandlers) GetTenantStorageSettingsHandler(
        w rest.ResponseWriter,
        r *rest.Request,
) {
        l := requestlog.GetRequestLogger(r)

        tenantID := r.PathParam("tenant")

        ctx := identity.WithContext(
                r.Context(),
                &identity.Identity{Tenant: tenantID},
        )

        settings, err := d.app.GetStorageSettings(ctx)
        if err != nil {
                rest_utils.RestErrWithLogInternal(w, r, l, err)
                return
        }

        d.view.RenderSuccessGet(w, settings)
}

func (d *DeploymentsApiHandlers) PutTenantStorageSettingsHandler(
        w rest.ResponseWriter,
        r *rest.Request,
) {
        l := requestlog.GetRequestLogger(r)

        defer r.Body.Close()

        tenantID := r.PathParam("tenant")

        ctx := identity.WithContext(
                r.Context(),
                &identity.Identity{Tenant: tenantID},
        )

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

        err = d.app.SetStorageSettings(ctx, settings)
        if err != nil {
                rest_utils.RestErrWithLogInternal(w, r, l, err)
                return
        }

        w.WriteHeader(http.StatusNoContent)
}

mendersoftware / deployments / 1022633108

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