1943731786

Committed 23 Jul 2025 12:52PM UTC coverage: 65.476% (-0.005%) from 65.481%

Build # 1943731786

Build Type

Pull #805

gitlab-ci

Committed by

alfrunes

Commit Message

test: Fix tests making invalid assertions for request body

Signed-off-by: Alf-Rune Siqveland <alf.rune@northern.tech>

Pull Request Pull Request #805: Revert to absolute API paths and group router by middleware

Run Details

87 of 97 new or added lines in 3 files covered. (89.69%)

1099 existing lines in 18 files now uncovered.

32143 of 49091 relevant lines covered (65.48%)

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79.27

/backend/services/deployments/api/http/api_deployments.go

// Copyright 2024 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/asaskevich/govalidator"
        "github.com/gin-gonic/gin"
        "github.com/pkg/errors"

        "github.com/mendersoftware/mender-server/pkg/config"
        "github.com/mendersoftware/mender-server/pkg/identity"
        "github.com/mendersoftware/mender-server/pkg/log"
        "github.com/mendersoftware/mender-server/pkg/requestid"
        "github.com/mendersoftware/mender-server/pkg/rest.utils"

        "github.com/mendersoftware/mender-server/services/deployments/app"
        dconfig "github.com/mendersoftware/mender-server/services/deployments/config"
        "github.com/mendersoftware/mender-server/services/deployments/model"
        "github.com/mendersoftware/mender-server/services/deployments/store"
        "github.com/mendersoftware/mender-server/services/deployments/utils"
)

const (
        // 15 minutes
        DefaultDownloadLinkExpire = 15 * time.Minute
        // 10 Mb
        MaxFormParamSize           = 1024 * 1024             // 1MiB
        DefaultMaxImageSize        = 10 * 1024 * 1024 * 1024 // 10GiB
        DefaultMaxGenerateDataSize = 512 * 1024 * 1024       // 512MiB

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

const (
        // Header Constants
        hdrTotalCount    = "X-Total-Count"
        hdrLink          = "Link"
        hdrLocation      = "Location"
        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
        MaxGenerateDataSize int64

        // RequestSize is the maximum request body size
        MaxRequestSize int64

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

        // DisableNewReleasesFeature is a flag that turns off the new API end-points
        // related to releases; helpful in performing long-running maintenance and data
        // migrations on the artifacts and releases collections.
        DisableNewReleasesFeature bool
}

func NewConfig() *Config {
        return &Config{
                PresignExpire:       DefaultDownloadLinkExpire,
                PresignScheme:       "https",
                MaxImageSize:        DefaultMaxImageSize,
                MaxGenerateDataSize: DefaultMaxGenerateDataSize,
                MaxRequestSize:      dconfig.SettingMaxRequestSizeDefault,
        }
}

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) SetMaxGenerateDataSize(size int64) *Config {
        conf.MaxGenerateDataSize = 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
}

func (conf *Config) SetDisableNewReleasesFeature(disable bool) *Config {
        conf.DisableNewReleasesFeature = disable
        return conf
}

func (conf *Config) SetMaxRequestSize(size int64) *Config {
        conf.MaxRequestSize = size
        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
                }
                if c.MaxGenerateDataSize > 0 {
                        conf.MaxGenerateDataSize = c.MaxGenerateDataSize
                }
                if c.MaxRequestSize > 0 {
                        conf.MaxRequestSize = c.MaxRequestSize
                }
                conf.DisableNewReleasesFeature = c.DisableNewReleasesFeature
                conf.EnableDirectUpload = c.EnableDirectUpload
                conf.EnableDirectUploadSkipVerify = c.EnableDirectUploadSkipVerify
        }
        return &DeploymentsApiHandlers{
                store:  store,
                view:   view,
                app:    app,
                config: *conf,
        }
}

func (d *DeploymentsApiHandlers) AliveHandler(c *gin.Context) {
        c.Status(http.StatusNoContent)
}

func (d *DeploymentsApiHandlers) HealthHandler(c *gin.Context) {
        ctx := c.Request.Context()
        ctx, cancel := context.WithTimeout(ctx, defaultTimeout)
        defer cancel()

        err := d.app.HealthCheck(ctx)
        if err != nil {
                d.view.RenderError(c, err, http.StatusServiceUnavailable)
                return
        }
        c.Status(http.StatusNoContent)
}

func getReleaseOrImageFilter(r *http.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]
                for i, t := range filter.Tags {
                        filter.Tags[i] = strings.ToLower(t)
                }
        }

        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(c *gin.Context) {

        name := c.Param("name")

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

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

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

// images

func (d *DeploymentsApiHandlers) GetImage(c *gin.Context) {

        id := c.Param("id")

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

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

        if image == nil {
                d.view.RenderErrorNotFound(c)
                return
        }

        d.view.RenderSuccessGet(c, image)
}

func (d *DeploymentsApiHandlers) GetImages(c *gin.Context) {

        defer redactReleaseName(c.Request)
        filter := getReleaseOrImageFilter(c.Request, listReleasesV1, false)

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

        d.view.RenderSuccessGet(c, list)
}

func (d *DeploymentsApiHandlers) ListImages(c *gin.Context) {

        defer redactReleaseName(c.Request)
        filter := getReleaseOrImageFilter(c.Request, listReleasesV1, true)

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

        hasNext := totalCount > int(filter.Page*filter.PerPage)

        hints := rest.NewPagingHints().
                SetPage(int64(filter.Page)).
                SetPerPage(int64(filter.PerPage)).
                SetHasNext(hasNext).
                SetTotalCount(int64(totalCount))

        links, err := rest.MakePagingHeaders(c.Request, hints)
        if err != nil {
                d.view.RenderInternalError(c, err)
                return
        }

        for _, l := range links {
                c.Writer.Header().Add(hdrLink, l)
        }
        c.Writer.Header().Add(hdrTotalCount, strconv.Itoa(totalCount))

        d.view.RenderSuccessGet(c, list)
}

func (d *DeploymentsApiHandlers) DownloadLink(c *gin.Context) {

        id := c.Param("id")

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

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

        if link == nil {
                d.view.RenderErrorNotFound(c)
                return
        }

        d.view.RenderSuccessGet(c, link)
}

func (d *DeploymentsApiHandlers) UploadLink(c *gin.Context) {

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

        if link == nil {
                d.view.RenderErrorNotFound(c)
                return
        }

        d.view.RenderSuccessGet(c, link)
}

const maxMetadataSize = 2048

func (d *DeploymentsApiHandlers) CompleteUpload(c *gin.Context) {
        ctx := c.Request.Context()
        l := log.FromContext(ctx)

        artifactID := c.Param(ParamID)

        var metadata *model.DirectUploadMetadata
        if d.config.EnableDirectUploadSkipVerify {
                var directMetadata model.DirectUploadMetadata
                bodyBuffer := make([]byte, maxMetadataSize)
                n, err := io.ReadFull(c.Request.Body, bodyBuffer)
                c.Request.Body.Close()
                if err != nil && err != io.EOF && err != io.ErrUnexpectedEOF {
                        l.Errorf("error reading post body data: %s (read: %d)", err.Error(), n)
                } else {
                        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:
                // c.Writer.Header().Set("Link", "FEAT: Upload status API")
                c.Status(http.StatusAccepted)
        case app.ErrUploadNotFound:
                d.view.RenderErrorNotFound(c)
        default:
                d.view.RenderInternalError(c, err)
        }
}

func (d *DeploymentsApiHandlers) DownloadConfiguration(c *gin.Context) {
        if d.config.PresignSecret == nil {
                d.view.RenderErrorNotFound(c)
                return
        }
        var (
                deviceID, _     = url.PathUnescape(c.Param(ParamDeviceID))
                deviceType, _   = url.PathUnescape(c.Param(ParamDeviceType))
                deploymentID, _ = url.PathUnescape(c.Param(ParamDeploymentID))
        )
        if deviceID == "" || deviceType == "" || deploymentID == "" {
                d.view.RenderErrorNotFound(c)
                return
        }

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

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

        // Validate request signature
        ctx := identity.WithContext(c.Request.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(c,
                                errors.Errorf(
                                        "deployment with id '%s' not found",
                                        deploymentID,
                                ),
                                http.StatusNotFound,
                        )
                default:
                        d.view.RenderInternalError(c, err)
                }
                return
        }
        artifactPayload, err := io.ReadAll(artifact)
        if err != nil {
                d.view.RenderInternalError(c, err)
                return
        }

        rw := c.Writer
        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)))
        c.Status(http.StatusOK)
        _, err = rw.Write(artifactPayload)
        if err != nil {
                // There's not anything we can do here in terms of the response.
                _ = c.Error(err)
        }
}

func (d *DeploymentsApiHandlers) DeleteImage(c *gin.Context) {

        id := c.Param("id")

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

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

        d.view.RenderSuccessDelete(c)
}

func (d *DeploymentsApiHandlers) EditImage(c *gin.Context) {

        id := c.Param("id")

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

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

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

        if !found {
                d.view.RenderErrorNotFound(c)
                return
        }

        d.view.RenderSuccessPut(c)
}

func getImageMetaFromBody(c *gin.Context) (*model.ImageMeta, error) {

        var constructor *model.ImageMeta

        if err := c.ShouldBindJSON(&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(c *gin.Context) {
        d.newImageWithContext(c.Request.Context(), c)
}

func (d *DeploymentsApiHandlers) NewImageForTenantHandler(c *gin.Context) {

        tenantID := c.Param("tenant")

        if tenantID == "" {
                rest.RenderError(
                        c,
                        http.StatusBadRequest,
                        fmt.Errorf("missing tenant id in path"),
                )
                return
        }

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

        d.newImageWithContext(ctx, c)
}

func (d *DeploymentsApiHandlers) newImageWithContext(
        ctx context.Context,
        c *gin.Context,
) {

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

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

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

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

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

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

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

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

// 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
                        reader := utils.ReadAtMost(part, MaxFormParamSize)
                        dscr, err := io.ReadAll(reader)
                        if err != nil {
                                return nil, errors.Wrap(err,
                                        "failed to read form value 'description'",
                                )
                        }
                        uploadMsg.MetaConstructor.Description = string(dscr)

                case "size":
                        // Add size limit to the metadata
                        reader := utils.ReadAtMost(part, 20)
                        sz, err := io.ReadAll(reader)
                        if err != nil {
                                return nil, errors.Wrap(err,
                                        "failed to read form value 'size'",
                                )
                        }
                        size, err = strconv.ParseInt(string(sz), 10, 64)
                        if err != nil {
                                return nil, err
                        }
                        if size > d.config.MaxImageSize {
                                return nil, ErrModelArtifactFileTooLarge
                        }

                case "artifact_id":
                        // Add artifact id to the metadata (must be a valid UUID).
                        reader := utils.ReadAtMost(part, MaxFormParamSize)
                        b, err := io.ReadAll(reader)
                        if err != nil {
                                return nil, errors.Wrap(err,
                                        "failed to read form value 'artifact_id'",
                                )
                        }
                        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":
                        reader := utils.ReadAtMost(part, MaxFormParamSize)
                        b, err := io.ReadAll(reader)
                        if err != nil {
                                return nil, errors.Wrap(err,
                                        "failed to read form value 'args'",
                                )
                        }
                        msg.Args = string(b)

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

                case "device_types_compatible":
                        reader := utils.ReadAtMost(part, MaxFormParamSize)
                        b, err := io.ReadAll(reader)
                        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.MaxGenerateDataSize)
                        }
                        break ParseLoop

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

                case "type":
                        reader := utils.ReadAtMost(part, MaxFormParamSize)
                        b, err := io.ReadAll(reader)
                        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
                        reader := utils.ReadAtMost(part, 20)
                        sz, err := io.ReadAll(reader)
                        if err != nil {
                                return nil, errors.Wrap(err,
                                        "failed to read form value 'size'",
                                )
                        }
                        size, err = strconv.ParseInt(string(sz), 10, 64)
                        if err != nil {
                                return nil, err
                        }
                        if size > d.config.MaxGenerateDataSize {
                                return nil, ErrModelArtifactFileTooLarge
                        }

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

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

// deployments
func (d *DeploymentsApiHandlers) createDeployment(
        c *gin.Context,
        ctx context.Context,
        group string,
) {
        constructor, err := d.getDeploymentConstructorFromBody(c, group)
        if err != nil {
                d.view.RenderError(
                        c,
                        errors.Wrap(err, "Validating request body"),
                        http.StatusBadRequest,
                )
                return
        }

        id, err := d.app.CreateDeployment(ctx, constructor)
        switch err {
        case nil:
                location := fmt.Sprintf("%s/%s", ApiUrlManagementDeployments, id)
                c.Writer.Header().Add(hdrLocation, location)
                c.Status(http.StatusCreated)
        case app.ErrNoArtifact:
                d.view.RenderError(c, err, http.StatusUnprocessableEntity)
        case app.ErrNoDevices:
                d.view.RenderError(c, err, http.StatusBadRequest)
        case app.ErrConflictingDeployment:
                d.view.RenderError(c, err, http.StatusConflict)
        default:
                d.view.RenderInternalError(c, err)
        }
}

func (d *DeploymentsApiHandlers) PostDeployment(c *gin.Context) {
        ctx := c.Request.Context()

        d.createDeployment(c, ctx, "")
}

func (d *DeploymentsApiHandlers) DeployToGroup(c *gin.Context) {
        ctx := c.Request.Context()

        group := c.Param("name")
        if len(group) < 1 {
                d.view.RenderError(c, ErrMissingGroupName, http.StatusBadRequest)
        }
        d.createDeployment(c, ctx, group)
}

// parseDeviceConfigurationDeploymentPathParams parses expected params
// and check if the params are not empty
func parseDeviceConfigurationDeploymentPathParams(c *gin.Context) (string, string, string, error) {
        tenantID := c.Param("tenant")
        deviceID := c.Param(ParamDeviceID)
        if deviceID == "" {
                return "", "", "", errors.New("device ID missing")
        }
        deploymentID := c.Param(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(c *gin.Context) (
        *model.ConfigurationDeploymentConstructor, error) {

        var constructor *model.ConfigurationDeploymentConstructor

        if err := c.ShouldBindJSON(&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(
        c *gin.Context,
) {

        // get path params
        tenantID, deviceID, deploymentID, err := parseDeviceConfigurationDeploymentPathParams(c)
        if err != nil {
                d.view.RenderError(c, err, http.StatusBadRequest)
                return
        }

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

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

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

func (d *DeploymentsApiHandlers) getDeploymentConstructorFromBody(
        c *gin.Context,
        group string,
) (*model.DeploymentConstructor, error) {
        var constructor *model.DeploymentConstructor
        if err := c.ShouldBindJSON(&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(c *gin.Context) {
        ctx := c.Request.Context()

        id := c.Param("id")

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

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

        if deployment == nil {
                d.view.RenderErrorNotFound(c)
                return
        }

        d.view.RenderSuccessGet(c, deployment)
}

func (d *DeploymentsApiHandlers) GetDeploymentStats(c *gin.Context) {
        ctx := c.Request.Context()

        id := c.Param("id")

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

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

        if stats == nil {
                d.view.RenderErrorNotFound(c)
                return
        }

        d.view.RenderSuccessGet(c, stats)
}

func (d *DeploymentsApiHandlers) GetDeploymentsStats(c *gin.Context) {

        ctx := c.Request.Context()

        ids := model.DeploymentIDs{}
        if err := c.ShouldBindJSON(&ids); err != nil {
                d.view.RenderError(c, err, http.StatusBadRequest)
                return
        }

        if len(ids.IDs) == 0 {
                c.JSON(http.StatusOK, struct{}{})
                return
        }

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

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

        c.JSON(http.StatusOK, stats)
}

func (d *DeploymentsApiHandlers) GetDeploymentDeviceList(c *gin.Context) {
        ctx := c.Request.Context()

        id := c.Param("id")

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

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

        if deployment == nil {
                d.view.RenderErrorNotFound(c)
                return
        }

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

func (d *DeploymentsApiHandlers) AbortDeployment(c *gin.Context) {
        ctx := c.Request.Context()

        id := c.Param("id")

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

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

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

        l := log.FromContext(ctx)
        l.Infof("Abort deployment: %s", id)

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

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

        d.view.RenderEmptySuccessResponse(c)
}

func (d *DeploymentsApiHandlers) GetDeploymentForDevice(c *gin.Context) {
        var (
                installed *model.InstalledDeviceDeployment
                ctx       = c.Request.Context()
                idata     = identity.FromContext(ctx)
        )
        if idata == nil {
                d.view.RenderError(c, ErrMissingIdentity, http.StatusBadRequest)
                return
        }

        q := c.Request.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 {
                        c.Request.URL.RawQuery = q.Encode()
                }
        }()
        if strings.EqualFold(c.Request.Method, http.MethodPost) {
                // POST
                installed = new(model.InstalledDeviceDeployment)
                if err := c.ShouldBindJSON(&installed); err != nil {
                        d.view.RenderError(c,
                                errors.Wrap(err, "invalid schema"),
                                http.StatusBadRequest)
                        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(c, err, http.StatusBadRequest)
                return
        }

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

        d.getDeploymentForDevice(c, idata, request)
}

func (d *DeploymentsApiHandlers) getDeploymentForDevice(
        c *gin.Context,
        idata *identity.Identity,
        request *model.DeploymentNextRequest,
) {
        ctx := c.Request.Context()

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

        if deployment == nil {
                d.view.RenderNoUpdateForDevice(c)
                return
        } else if deployment.Type == model.DeploymentTypeConfiguration {
                // Generate pre-signed URL
                var hostName string = d.config.PresignHostname
                if hostName == "" {
                        if hostName = c.Request.Header.Get(hdrForwardedHost); hostName == "" {
                                d.view.RenderInternalError(c,
                                        errors.New("presign.hostname not configured; "+
                                                "unable to generate download link "+
                                                " for configuration deployment"))
                                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(c, deployment)
}

func (d *DeploymentsApiHandlers) PutDeploymentStatusForDevice(
        c *gin.Context,
) {
        ctx := c.Request.Context()

        did := c.Param("id")

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

        // receive request body
        var report model.StatusReport

        err := c.ShouldBindJSON(&report)
        if err != nil {
                d.view.RenderError(c, err, http.StatusBadRequest)
                return
        }
        l := log.FromContext(ctx)
        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(c, err, http.StatusConflict)
                } else if err == app.ErrStorageNotFound {
                        d.view.RenderErrorNotFound(c)
                } else {
                        d.view.RenderInternalError(c, err)
                }
                return
        }

        d.view.RenderEmptySuccessResponse(c)
}

func (d *DeploymentsApiHandlers) GetDeviceStatusesForDeployment(
        c *gin.Context,
) {
        ctx := c.Request.Context()

        did := c.Param("id")

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

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

        d.view.RenderSuccessGet(c, statuses)
}

func (d *DeploymentsApiHandlers) GetDevicesListForDeployment(
        c *gin.Context,
) {
        ctx := c.Request.Context()

        did := c.Param("id")

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

        page, perPage, err := rest.ParsePagingParameters(c.Request)
        if err != nil {
                d.view.RenderError(c, err, http.StatusBadRequest)
                return
        }

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

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

        hasNext := totalCount > int(page*perPage)
        hints := rest.NewPagingHints().
                SetPage(page).
                SetPerPage(perPage).
                SetHasNext(hasNext).
                SetTotalCount(int64(totalCount))

        links, err := rest.MakePagingHeaders(c.Request, hints)
        if err != nil {
                d.view.RenderInternalError(c, err)
                return
        }

        for _, l := range links {
                c.Writer.Header().Add(hdrLink, l)
        }
        c.Writer.Header().Add(hdrTotalCount, strconv.Itoa(totalCount))
        d.view.RenderSuccessGet(c, statuses)
}

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

        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 ParseDeploymentLookupQueryV1(vals url.Values) (model.Query, error) {
        query, err := ParseLookupQuery(vals)
        if err != nil {
                return query, err
        }

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

        return query, nil
}

func ParseDeploymentLookupQueryV2(vals url.Values) (model.Query, error) {
        query, err := ParseLookupQuery(vals)
        if err != nil {
                return query, err
        }

        query.Names = vals["name"]
        query.IDs = vals["id"]

        return query, nil
}

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

func (d *DeploymentsApiHandlers) LookupDeployment(c *gin.Context) {
        ctx := c.Request.Context()
        q := c.Request.URL.Query()
        defer func() {
                if search := q.Get("search"); search != "" {
                        q.Set("search", Redacted)
                        c.Request.URL.RawQuery = q.Encode()
                }
        }()

        query, err := ParseDeploymentLookupQueryV1(q)
        if err != nil {
                d.view.RenderError(c, err, http.StatusBadRequest)
                return
        }

        page, perPage, err := rest.ParsePagingParameters(c.Request)
        if err != nil {
                d.view.RenderError(c, err, http.StatusBadRequest)
                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(c, err, http.StatusBadRequest)
                return
        }
        c.Writer.Header().Add(hdrTotalCount, strconv.FormatInt(totalCount, 10))

        len := len(deps)
        hasNext := false
        if int64(len) > perPage {
                hasNext = true
                len = int(perPage)
        }

        hints := rest.NewPagingHints().
                SetPage(page).
                SetPerPage(perPage).
                SetHasNext(hasNext).
                SetTotalCount(int64(totalCount))

        links, err := rest.MakePagingHeaders(c.Request, hints)
        if err != nil {
                d.view.RenderInternalError(c, err)
                return
        }
        for _, l := range links {
                c.Writer.Header().Add(hdrLink, l)
        }

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

func (d *DeploymentsApiHandlers) LookupDeploymentV2(c *gin.Context) {
        ctx := c.Request.Context()
        q := c.Request.URL.Query()
        defer func() {
                if q.Has("name") {
                        q["name"] = []string{Redacted}
                        c.Request.URL.RawQuery = q.Encode()
                }
        }()

        query, err := ParseDeploymentLookupQueryV2(q)
        if err != nil {
                d.view.RenderError(c, err, http.StatusBadRequest)
                return
        }

        page, perPage, err := rest.ParsePagingParameters(c.Request)
        if err != nil {
                d.view.RenderError(c, err, http.StatusBadRequest)
                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(c, err, http.StatusBadRequest)
                return
        }
        c.Writer.Header().Add(hdrTotalCount, strconv.FormatInt(totalCount, 10))

        len := len(deps)
        hasNext := false
        if int64(len) > perPage {
                hasNext = true
                len = int(perPage)
        }

        hints := rest.NewPagingHints().
                SetPage(page).
                SetPerPage(perPage).
                SetHasNext(hasNext).
                SetTotalCount(int64(totalCount))

        links, err := rest.MakePagingHeaders(c.Request, hints)
        if err != nil {
                d.view.RenderInternalError(c, err)
                return
        }
        for _, l := range links {
                c.Writer.Header().Add(hdrLink, l)
        }

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

func (d *DeploymentsApiHandlers) PutDeploymentLogForDevice(c *gin.Context) {
        ctx := c.Request.Context()

        did := c.Param("id")

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

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

        err := c.ShouldBindJSON(&log)
        if err != nil {
                d.view.RenderError(c, err, http.StatusBadRequest)
                return
        }

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

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

        d.view.RenderEmptySuccessResponse(c)
}

func (d *DeploymentsApiHandlers) GetDeploymentLogForDevice(c *gin.Context) {
        ctx := c.Request.Context()

        did := c.Param("id")
        devid := c.Param("devid")

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

        if err != nil {
                d.view.RenderInternalError(c, err)
                return
        }

        if depl == nil {
                d.view.RenderErrorNotFound(c)
                return
        }

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

func (d *DeploymentsApiHandlers) AbortDeviceDeployments(c *gin.Context) {
        ctx := c.Request.Context()

        id := c.Param("id")
        err := d.app.AbortDeviceDeployments(ctx, id)

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

func (d *DeploymentsApiHandlers) DeleteDeviceDeploymentsHistory(c *gin.Context) {
        ctx := c.Request.Context()

        id := c.Param("id")
        err := d.app.DeleteDeviceDeploymentsHistory(ctx, id)

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

func (d *DeploymentsApiHandlers) ListDeviceDeployments(c *gin.Context) {
        ctx := c.Request.Context()
        d.listDeviceDeployments(ctx, c, true)
}

func (d *DeploymentsApiHandlers) ListDeviceDeploymentsInternal(c *gin.Context) {
        ctx := c.Request.Context()
        tenantID := c.Param("tenant")
        if tenantID != "" {
                ctx = identity.WithContext(c.Request.Context(), &identity.Identity{
                        Tenant:   tenantID,
                        IsDevice: true,
                })
        }
        d.listDeviceDeployments(ctx, c, true)
}

func (d *DeploymentsApiHandlers) ListDeviceDeploymentsByIDsInternal(c *gin.Context) {
        ctx := c.Request.Context()
        tenantID := c.Param("tenant")
        if tenantID != "" {
                ctx = identity.WithContext(c.Request.Context(), &identity.Identity{
                        Tenant:   tenantID,
                        IsDevice: true,
                })
        }
        d.listDeviceDeployments(ctx, c, false)
}

func (d *DeploymentsApiHandlers) listDeviceDeployments(ctx context.Context,
        c *gin.Context, byDeviceID bool) {

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

        page, perPage, err := rest.ParsePagingParameters(c.Request)
        if err == nil && perPage > MaximumPerPageListDeviceDeployments {
                err = rest.ErrQueryParmLimit(ParamPerPage)
        }
        if err != nil {
                d.view.RenderError(c, err, http.StatusBadRequest)
                return
        }

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

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

        hasNext := totalCount > lq.Skip+len(deps)

        hints := rest.NewPagingHints().
                SetPage(page).
                SetPerPage(perPage).
                SetHasNext(hasNext).
                SetTotalCount(int64(totalCount))

        links, err := rest.MakePagingHeaders(c.Request, hints)
        if err != nil {
                rest.RenderInternalError(c, err)
                return
        }
        for _, l := range links {
                c.Writer.Header().Add(hdrLink, l)
        }

        d.view.RenderSuccessGet(c, deps)
}

func (d *DeploymentsApiHandlers) AbortDeviceDeploymentsInternal(c *gin.Context) {
        ctx := c.Request.Context()
        tenantID := c.Param("tenantID")
        if tenantID != "" {
                ctx = identity.WithContext(c.Request.Context(), &identity.Identity{
                        Tenant:   tenantID,
                        IsDevice: true,
                })
        }

        id := c.Param("id")

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

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

        }
}

// tenants

func (d *DeploymentsApiHandlers) ProvisionTenantsHandler(c *gin.Context) {
        ctx := c.Request.Context()

        defer c.Request.Body.Close()

        tenant, err := model.ParseNewTenantReq(c.Request.Body)
        if err != nil {
                d.view.RenderError(c, err, http.StatusBadRequest)
                return
        }

        err = d.app.ProvisionTenant(ctx, tenant.TenantId)
        if err != nil {
                d.view.RenderInternalError(c, err)
                return
        }

        c.Status(http.StatusCreated)
}

func (d *DeploymentsApiHandlers) DeploymentsPerTenantHandler(
        c *gin.Context,
) {
        tenantID := c.Param("tenant")
        if tenantID == "" {

                d.view.RenderError(c, errors.New("missing tenant ID"), http.StatusBadRequest)
                return
        }
        c.Request = c.Request.WithContext(identity.WithContext(
                c.Request.Context(),
                &identity.Identity{Tenant: tenantID},
        ))
        d.LookupDeployment(c)
}

func (d *DeploymentsApiHandlers) GetTenantStorageSettingsHandler(
        c *gin.Context,
) {

        tenantID := c.Param("tenant")

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

        settings, err := d.app.GetStorageSettings(ctx)
        if err != nil {
                d.view.RenderInternalError(c, err)
                return
        }

        d.view.RenderSuccessGet(c, settings)
}

func (d *DeploymentsApiHandlers) PutTenantStorageSettingsHandler(
        c *gin.Context,
) {

        defer c.Request.Body.Close()

        tenantID := c.Param("tenant")

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

        settings, err := model.ParseStorageSettingsRequest(c.Request.Body)
        if err != nil {
                d.view.RenderError(c, err, http.StatusBadRequest)
                return
        }

        err = d.app.SetStorageSettings(ctx, settings)
        if err != nil {
                d.view.RenderInternalError(c, err)
                return
        }

        c.Status(http.StatusNoContent)
}

mendersoftware / mender-server / 1943731786

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