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a9bc590d5d
This change allows act_runner / actions_runner to use jwt tokens for `ACTIONS_RUNTIME_TOKEN` that are compatible with actions/upload-artifact@v4. The official Artifact actions are now validating and extracting the jwt claim scp to get the runid and jobid, the old artifact backend also needs to accept the same token jwt. --- Related to #28853 I'm not familar with the auth system, maybe you know how to improve this I have tested - the jwt token is a valid token for artifact uploading - the jwt token can be parsed by actions/upload-artifact@v4 and passes their scp claim validation Next steps would be a new artifacts@v4 backend. ~~I'm linking the act_runner change soonish.~~ act_runner change to make the change effective and use jwt tokens <https://gitea.com/gitea/act_runner/pulls/471>
485 lines
15 KiB
Go
485 lines
15 KiB
Go
// Copyright 2023 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package actions
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// GitHub Actions Artifacts API Simple Description
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//
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// 1. Upload artifact
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// 1.1. Post upload url
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// Post: /api/actions_pipeline/_apis/pipelines/workflows/{run_id}/artifacts?api-version=6.0-preview
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// Request:
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// {
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// "Type": "actions_storage",
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// "Name": "artifact"
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// }
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// Response:
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// {
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// "fileContainerResourceUrl":"/api/actions_pipeline/_apis/pipelines/workflows/{run_id}/artifacts/{artifact_id}/upload"
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// }
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// it acquires an upload url for artifact upload
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// 1.2. Upload artifact
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// PUT: /api/actions_pipeline/_apis/pipelines/workflows/{run_id}/artifacts/{artifact_id}/upload?itemPath=artifact%2Ffilename
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// it upload chunk with headers:
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// x-tfs-filelength: 1024 // total file length
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// content-length: 1024 // chunk length
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// x-actions-results-md5: md5sum // md5sum of chunk
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// content-range: bytes 0-1023/1024 // chunk range
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// we save all chunks to one storage directory after md5sum check
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// 1.3. Confirm upload
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// PATCH: /api/actions_pipeline/_apis/pipelines/workflows/{run_id}/artifacts/{artifact_id}/upload?itemPath=artifact%2Ffilename
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// it confirm upload and merge all chunks to one file, save this file to storage
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//
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// 2. Download artifact
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// 2.1 list artifacts
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// GET: /api/actions_pipeline/_apis/pipelines/workflows/{run_id}/artifacts?api-version=6.0-preview
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// Response:
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// {
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// "count": 1,
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// "value": [
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// {
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// "name": "artifact",
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// "fileContainerResourceUrl": "/api/actions_pipeline/_apis/pipelines/workflows/{run_id}/artifacts/{artifact_id}/path"
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// }
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// ]
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// }
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// 2.2 download artifact
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// GET: /api/actions_pipeline/_apis/pipelines/workflows/{run_id}/artifacts/{artifact_id}/path?api-version=6.0-preview
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// Response:
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// {
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// "value": [
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// {
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// "contentLocation": "/api/actions_pipeline/_apis/pipelines/workflows/{run_id}/artifacts/{artifact_id}/download",
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// "path": "artifact/filename",
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// "itemType": "file"
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// }
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// ]
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// }
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// 2.3 download artifact file
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// GET: /api/actions_pipeline/_apis/pipelines/workflows/{run_id}/artifacts/{artifact_id}/download?itemPath=artifact%2Ffilename
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// Response:
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// download file
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//
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import (
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"crypto/md5"
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"fmt"
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"net/http"
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"strconv"
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"strings"
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"code.gitea.io/gitea/models/actions"
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"code.gitea.io/gitea/models/db"
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"code.gitea.io/gitea/modules/context"
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"code.gitea.io/gitea/modules/json"
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"code.gitea.io/gitea/modules/log"
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"code.gitea.io/gitea/modules/setting"
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"code.gitea.io/gitea/modules/storage"
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"code.gitea.io/gitea/modules/util"
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"code.gitea.io/gitea/modules/web"
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web_types "code.gitea.io/gitea/modules/web/types"
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actions_service "code.gitea.io/gitea/services/actions"
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)
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const artifactRouteBase = "/_apis/pipelines/workflows/{run_id}/artifacts"
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type artifactContextKeyType struct{}
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var artifactContextKey = artifactContextKeyType{}
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type ArtifactContext struct {
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*context.Base
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ActionTask *actions.ActionTask
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}
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func init() {
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web.RegisterResponseStatusProvider[*ArtifactContext](func(req *http.Request) web_types.ResponseStatusProvider {
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return req.Context().Value(artifactContextKey).(*ArtifactContext)
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})
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}
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func ArtifactsRoutes(prefix string) *web.Route {
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m := web.NewRoute()
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m.Use(ArtifactContexter())
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r := artifactRoutes{
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prefix: prefix,
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fs: storage.ActionsArtifacts,
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}
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m.Group(artifactRouteBase, func() {
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// retrieve, list and confirm artifacts
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m.Combo("").Get(r.listArtifacts).Post(r.getUploadArtifactURL).Patch(r.comfirmUploadArtifact)
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// handle container artifacts list and download
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m.Put("/{artifact_hash}/upload", r.uploadArtifact)
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// handle artifacts download
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m.Get("/{artifact_hash}/download_url", r.getDownloadArtifactURL)
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m.Get("/{artifact_id}/download", r.downloadArtifact)
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})
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return m
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}
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func ArtifactContexter() func(next http.Handler) http.Handler {
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return func(next http.Handler) http.Handler {
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return http.HandlerFunc(func(resp http.ResponseWriter, req *http.Request) {
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base, baseCleanUp := context.NewBaseContext(resp, req)
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defer baseCleanUp()
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ctx := &ArtifactContext{Base: base}
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ctx.AppendContextValue(artifactContextKey, ctx)
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// action task call server api with Bearer ACTIONS_RUNTIME_TOKEN
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// we should verify the ACTIONS_RUNTIME_TOKEN
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authHeader := req.Header.Get("Authorization")
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if len(authHeader) == 0 || !strings.HasPrefix(authHeader, "Bearer ") {
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ctx.Error(http.StatusUnauthorized, "Bad authorization header")
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return
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}
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// New act_runner uses jwt to authenticate
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tID, err := actions_service.ParseAuthorizationToken(req)
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var task *actions.ActionTask
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if err == nil {
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task, err = actions.GetTaskByID(req.Context(), tID)
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if err != nil {
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log.Error("Error runner api getting task by ID: %v", err)
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ctx.Error(http.StatusInternalServerError, "Error runner api getting task by ID")
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return
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}
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if task.Status != actions.StatusRunning {
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log.Error("Error runner api getting task: task is not running")
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ctx.Error(http.StatusInternalServerError, "Error runner api getting task: task is not running")
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return
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}
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} else {
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// Old act_runner uses GITEA_TOKEN to authenticate
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authToken := strings.TrimPrefix(authHeader, "Bearer ")
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task, err = actions.GetRunningTaskByToken(req.Context(), authToken)
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if err != nil {
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log.Error("Error runner api getting task: %v", err)
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ctx.Error(http.StatusInternalServerError, "Error runner api getting task")
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return
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}
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}
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if err := task.LoadJob(req.Context()); err != nil {
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log.Error("Error runner api getting job: %v", err)
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ctx.Error(http.StatusInternalServerError, "Error runner api getting job")
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return
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}
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ctx.ActionTask = task
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next.ServeHTTP(ctx.Resp, ctx.Req)
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})
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}
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}
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type artifactRoutes struct {
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prefix string
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fs storage.ObjectStorage
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}
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func (ar artifactRoutes) buildArtifactURL(runID int64, artifactHash, suffix string) string {
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uploadURL := strings.TrimSuffix(setting.AppURL, "/") + strings.TrimSuffix(ar.prefix, "/") +
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strings.ReplaceAll(artifactRouteBase, "{run_id}", strconv.FormatInt(runID, 10)) +
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"/" + artifactHash + "/" + suffix
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return uploadURL
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}
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type getUploadArtifactRequest struct {
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Type string
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Name string
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RetentionDays int64
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}
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type getUploadArtifactResponse struct {
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FileContainerResourceURL string `json:"fileContainerResourceUrl"`
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}
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// getUploadArtifactURL generates a URL for uploading an artifact
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func (ar artifactRoutes) getUploadArtifactURL(ctx *ArtifactContext) {
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_, runID, ok := validateRunID(ctx)
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if !ok {
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return
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}
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var req getUploadArtifactRequest
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if err := json.NewDecoder(ctx.Req.Body).Decode(&req); err != nil {
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log.Error("Error decode request body: %v", err)
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ctx.Error(http.StatusInternalServerError, "Error decode request body")
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return
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}
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// set retention days
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retentionQuery := ""
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if req.RetentionDays > 0 {
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retentionQuery = fmt.Sprintf("?retentionDays=%d", req.RetentionDays)
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}
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// use md5(artifact_name) to create upload url
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artifactHash := fmt.Sprintf("%x", md5.Sum([]byte(req.Name)))
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resp := getUploadArtifactResponse{
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FileContainerResourceURL: ar.buildArtifactURL(runID, artifactHash, "upload"+retentionQuery),
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}
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log.Debug("[artifact] get upload url: %s", resp.FileContainerResourceURL)
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ctx.JSON(http.StatusOK, resp)
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}
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func (ar artifactRoutes) uploadArtifact(ctx *ArtifactContext) {
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task, runID, ok := validateRunID(ctx)
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if !ok {
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return
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}
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artifactName, artifactPath, ok := parseArtifactItemPath(ctx)
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if !ok {
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return
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}
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// get upload file size
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fileRealTotalSize, contentLength, err := getUploadFileSize(ctx)
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if err != nil {
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log.Error("Error get upload file size: %v", err)
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ctx.Error(http.StatusInternalServerError, "Error get upload file size")
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return
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}
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// get artifact retention days
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expiredDays := setting.Actions.ArtifactRetentionDays
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if queryRetentionDays := ctx.Req.URL.Query().Get("retentionDays"); queryRetentionDays != "" {
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expiredDays, err = strconv.ParseInt(queryRetentionDays, 10, 64)
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if err != nil {
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log.Error("Error parse retention days: %v", err)
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ctx.Error(http.StatusBadRequest, "Error parse retention days")
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return
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}
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}
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log.Debug("[artifact] upload chunk, name: %s, path: %s, size: %d, retention days: %d",
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artifactName, artifactPath, fileRealTotalSize, expiredDays)
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// create or get artifact with name and path
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artifact, err := actions.CreateArtifact(ctx, task, artifactName, artifactPath, expiredDays)
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if err != nil {
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log.Error("Error create or get artifact: %v", err)
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ctx.Error(http.StatusInternalServerError, "Error create or get artifact")
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return
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}
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// save chunk to storage, if success, return chunk stotal size
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// if artifact is not gzip when uploading, chunksTotalSize == fileRealTotalSize
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// if artifact is gzip when uploading, chunksTotalSize < fileRealTotalSize
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chunksTotalSize, err := saveUploadChunk(ar.fs, ctx, artifact, contentLength, runID)
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if err != nil {
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log.Error("Error save upload chunk: %v", err)
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ctx.Error(http.StatusInternalServerError, "Error save upload chunk")
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return
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}
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// update artifact size if zero or not match, over write artifact size
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if artifact.FileSize == 0 ||
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artifact.FileCompressedSize == 0 ||
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artifact.FileSize != fileRealTotalSize ||
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artifact.FileCompressedSize != chunksTotalSize {
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artifact.FileSize = fileRealTotalSize
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artifact.FileCompressedSize = chunksTotalSize
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artifact.ContentEncoding = ctx.Req.Header.Get("Content-Encoding")
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if err := actions.UpdateArtifactByID(ctx, artifact.ID, artifact); err != nil {
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log.Error("Error update artifact: %v", err)
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ctx.Error(http.StatusInternalServerError, "Error update artifact")
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return
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}
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log.Debug("[artifact] update artifact size, artifact_id: %d, size: %d, compressed size: %d",
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artifact.ID, artifact.FileSize, artifact.FileCompressedSize)
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}
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ctx.JSON(http.StatusOK, map[string]string{
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"message": "success",
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})
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}
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// comfirmUploadArtifact comfirm upload artifact.
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// if all chunks are uploaded, merge them to one file.
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func (ar artifactRoutes) comfirmUploadArtifact(ctx *ArtifactContext) {
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_, runID, ok := validateRunID(ctx)
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if !ok {
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return
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}
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artifactName := ctx.Req.URL.Query().Get("artifactName")
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if artifactName == "" {
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log.Error("Error artifact name is empty")
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ctx.Error(http.StatusBadRequest, "Error artifact name is empty")
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return
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}
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if err := mergeChunksForRun(ctx, ar.fs, runID, artifactName); err != nil {
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log.Error("Error merge chunks: %v", err)
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ctx.Error(http.StatusInternalServerError, "Error merge chunks")
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return
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}
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ctx.JSON(http.StatusOK, map[string]string{
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"message": "success",
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})
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}
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type (
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listArtifactsResponse struct {
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Count int64 `json:"count"`
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Value []listArtifactsResponseItem `json:"value"`
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}
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listArtifactsResponseItem struct {
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Name string `json:"name"`
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FileContainerResourceURL string `json:"fileContainerResourceUrl"`
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}
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)
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func (ar artifactRoutes) listArtifacts(ctx *ArtifactContext) {
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_, runID, ok := validateRunID(ctx)
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if !ok {
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return
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}
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artifacts, err := db.Find[actions.ActionArtifact](ctx, actions.FindArtifactsOptions{RunID: runID})
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if err != nil {
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log.Error("Error getting artifacts: %v", err)
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ctx.Error(http.StatusInternalServerError, err.Error())
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return
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}
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if len(artifacts) == 0 {
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log.Debug("[artifact] handleListArtifacts, no artifacts")
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ctx.Error(http.StatusNotFound)
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return
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}
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var (
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items []listArtifactsResponseItem
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values = make(map[string]bool)
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)
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for _, art := range artifacts {
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if values[art.ArtifactName] {
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continue
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}
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artifactHash := fmt.Sprintf("%x", md5.Sum([]byte(art.ArtifactName)))
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item := listArtifactsResponseItem{
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Name: art.ArtifactName,
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FileContainerResourceURL: ar.buildArtifactURL(runID, artifactHash, "download_url"),
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}
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items = append(items, item)
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values[art.ArtifactName] = true
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log.Debug("[artifact] handleListArtifacts, name: %s, url: %s", item.Name, item.FileContainerResourceURL)
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}
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respData := listArtifactsResponse{
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Count: int64(len(items)),
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Value: items,
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}
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ctx.JSON(http.StatusOK, respData)
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}
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type (
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downloadArtifactResponse struct {
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Value []downloadArtifactResponseItem `json:"value"`
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}
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downloadArtifactResponseItem struct {
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Path string `json:"path"`
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ItemType string `json:"itemType"`
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ContentLocation string `json:"contentLocation"`
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}
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)
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// getDownloadArtifactURL generates download url for each artifact
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func (ar artifactRoutes) getDownloadArtifactURL(ctx *ArtifactContext) {
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_, runID, ok := validateRunID(ctx)
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if !ok {
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return
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}
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itemPath := util.PathJoinRel(ctx.Req.URL.Query().Get("itemPath"))
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if !validateArtifactHash(ctx, itemPath) {
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return
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}
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artifacts, err := db.Find[actions.ActionArtifact](ctx, actions.FindArtifactsOptions{
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RunID: runID,
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ArtifactName: itemPath,
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})
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if err != nil {
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log.Error("Error getting artifacts: %v", err)
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ctx.Error(http.StatusInternalServerError, err.Error())
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return
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}
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if len(artifacts) == 0 {
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log.Debug("[artifact] getDownloadArtifactURL, no artifacts")
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ctx.Error(http.StatusNotFound)
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return
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}
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if itemPath != artifacts[0].ArtifactName {
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log.Error("Error dismatch artifact name, itemPath: %v, artifact: %v", itemPath, artifacts[0].ArtifactName)
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ctx.Error(http.StatusBadRequest, "Error dismatch artifact name")
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return
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}
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var items []downloadArtifactResponseItem
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for _, artifact := range artifacts {
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downloadURL := ar.buildArtifactURL(runID, strconv.FormatInt(artifact.ID, 10), "download")
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item := downloadArtifactResponseItem{
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Path: util.PathJoinRel(itemPath, artifact.ArtifactPath),
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ItemType: "file",
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ContentLocation: downloadURL,
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}
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log.Debug("[artifact] getDownloadArtifactURL, path: %s, url: %s", item.Path, item.ContentLocation)
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items = append(items, item)
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}
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respData := downloadArtifactResponse{
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Value: items,
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}
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ctx.JSON(http.StatusOK, respData)
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}
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// downloadArtifact downloads artifact content
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func (ar artifactRoutes) downloadArtifact(ctx *ArtifactContext) {
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_, runID, ok := validateRunID(ctx)
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if !ok {
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return
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}
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artifactID := ctx.ParamsInt64("artifact_id")
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artifact, exist, err := db.GetByID[actions.ActionArtifact](ctx, artifactID)
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if err != nil {
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log.Error("Error getting artifact: %v", err)
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ctx.Error(http.StatusInternalServerError, err.Error())
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return
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} else if !exist {
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log.Error("artifact with ID %d does not exist", artifactID)
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ctx.Error(http.StatusNotFound, fmt.Sprintf("artifact with ID %d does not exist", artifactID))
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return
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}
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if artifact.RunID != runID {
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log.Error("Error dismatch runID and artifactID, task: %v, artifact: %v", runID, artifactID)
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ctx.Error(http.StatusBadRequest, err.Error())
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return
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}
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fd, err := ar.fs.Open(artifact.StoragePath)
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if err != nil {
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log.Error("Error opening file: %v", err)
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ctx.Error(http.StatusInternalServerError, err.Error())
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return
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}
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defer fd.Close()
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// if artifact is compressed, set content-encoding header to gzip
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if artifact.ContentEncoding == "gzip" {
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ctx.Resp.Header().Set("Content-Encoding", "gzip")
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}
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log.Debug("[artifact] downloadArtifact, name: %s, path: %s, storage: %s, size: %d", artifact.ArtifactName, artifact.ArtifactPath, artifact.StoragePath, artifact.FileSize)
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ctx.ServeContent(fd, &context.ServeHeaderOptions{
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Filename: artifact.ArtifactName,
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LastModified: artifact.CreatedUnix.AsLocalTime(),
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})
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}
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