This commit is contained in:
ChristopherHX 2024-07-27 07:54:01 +07:00 committed by GitHub
commit 5ff4d3b980
No known key found for this signature in database
GPG Key ID: B5690EEEBB952194
3 changed files with 285 additions and 39 deletions

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@ -123,6 +123,54 @@ func listChunksByRunID(st storage.ObjectStorage, runID int64) (map[int64][]*chun
return chunksMap, nil
}
func listChunksByRunIDV4(st storage.ObjectStorage, runID, artifactID int64, blist *BlockList) ([]*chunkFileItem, error) {
storageDir := fmt.Sprintf("tmpv4%d", runID)
var chunks []*chunkFileItem
chunkMap := map[string]*chunkFileItem{}
dummy := &chunkFileItem{}
for _, name := range blist.Latest {
chunkMap[name] = dummy
}
if err := st.IterateObjects(storageDir, func(fpath string, obj storage.Object) error {
baseName := filepath.Base(fpath)
if !strings.HasPrefix(baseName, "block-") {
return nil
}
// when read chunks from storage, it only contains storage dir and basename,
// no matter the subdirectory setting in storage config
item := chunkFileItem{Path: storageDir + "/" + baseName, ArtifactID: artifactID}
var size int64
var b64chunkName string
if _, err := fmt.Sscanf(baseName, "block-%d-%d-%s", &item.RunID, &size, &b64chunkName); err != nil {
return fmt.Errorf("parse content range error: %v", err)
}
rchunkName, err := base64.URLEncoding.DecodeString(b64chunkName)
if err != nil {
return fmt.Errorf("failed to parse chunkName: %v", err)
}
chunkName := string(rchunkName)
item.End = item.Start + size - 1
if _, ok := chunkMap[chunkName]; ok {
chunkMap[chunkName] = &item
}
return nil
}); err != nil {
return nil, err
}
for i, name := range blist.Latest {
chunk, ok := chunkMap[name]
if !ok || chunk.Path == "" {
return nil, fmt.Errorf("missing Chunk (%d/%d): %s", i, len(blist.Latest), name)
}
chunks = append(chunks, chunk)
if i > 0 {
chunk.Start = chunkMap[blist.Latest[i-1]].End + 1
chunk.End += chunk.Start
}
}
return chunks, nil
}
func mergeChunksForRun(ctx *ArtifactContext, st storage.ObjectStorage, runID int64, artifactName string) error {
// read all db artifacts by name
artifacts, err := db.Find[actions.ActionArtifact](ctx, actions.FindArtifactsOptions{
@ -230,7 +278,7 @@ func mergeChunksForArtifact(ctx *ArtifactContext, chunks []*chunkFileItem, st st
rawChecksum := hash.Sum(nil)
actualChecksum := hex.EncodeToString(rawChecksum)
if !strings.HasSuffix(checksum, actualChecksum) {
return fmt.Errorf("update artifact error checksum is invalid")
return fmt.Errorf("update artifact error checksum is invalid %v vs %v", checksum, actualChecksum)
}
}

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@ -24,8 +24,15 @@ package actions
// PUT: http://localhost:3000/twirp/github.actions.results.api.v1.ArtifactService/UploadArtifact?sig=mO7y35r4GyjN7fwg0DTv3-Fv1NDXD84KLEgLpoPOtDI=&expires=2024-01-23+21%3A48%3A37.20833956+%2B0100+CET&artifactName=test&taskID=75&comp=block
// 1.3. Continue Upload Zip Content to Blobstorage (unauthenticated request), repeat until everything is uploaded
// PUT: http://localhost:3000/twirp/github.actions.results.api.v1.ArtifactService/UploadArtifact?sig=mO7y35r4GyjN7fwg0DTv3-Fv1NDXD84KLEgLpoPOtDI=&expires=2024-01-23+21%3A48%3A37.20833956+%2B0100+CET&artifactName=test&taskID=75&comp=appendBlock
// 1.4. Unknown xml payload to Blobstorage (unauthenticated request), ignored for now
// 1.4. BlockList xml payload to Blobstorage (unauthenticated request)
// Files of about 800MB are parallel in parallel and / or out of order, this file is needed to enshure the correct order
// PUT: http://localhost:3000/twirp/github.actions.results.api.v1.ArtifactService/UploadArtifact?sig=mO7y35r4GyjN7fwg0DTv3-Fv1NDXD84KLEgLpoPOtDI=&expires=2024-01-23+21%3A48%3A37.20833956+%2B0100+CET&artifactName=test&taskID=75&comp=blockList
// Request
// <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
// <BlockList>
// <Latest>blockId1</Latest>
// <Latest>blockId2</Latest>
// </BlockList>
// 1.5. FinalizeArtifact
// Post: /twirp/github.actions.results.api.v1.ArtifactService/FinalizeArtifact
// Request
@ -82,6 +89,7 @@ import (
"crypto/hmac"
"crypto/sha256"
"encoding/base64"
"encoding/xml"
"fmt"
"io"
"net/http"
@ -152,31 +160,34 @@ func ArtifactsV4Routes(prefix string) *web.Router {
return m
}
func (r artifactV4Routes) buildSignature(endp, expires, artifactName string, taskID int64) []byte {
func (r artifactV4Routes) buildSignature(endp, expires, artifactName string, taskID, artifactID int64) []byte {
mac := hmac.New(sha256.New, setting.GetGeneralTokenSigningSecret())
mac.Write([]byte(endp))
mac.Write([]byte(expires))
mac.Write([]byte(artifactName))
mac.Write([]byte(fmt.Sprint(taskID)))
mac.Write([]byte(fmt.Sprint(artifactID)))
return mac.Sum(nil)
}
func (r artifactV4Routes) buildArtifactURL(ctx *ArtifactContext, endp, artifactName string, taskID int64) string {
func (r artifactV4Routes) buildArtifactURL(ctx *ArtifactContext, endp, artifactName string, taskID, artifactID int64) string {
expires := time.Now().Add(60 * time.Minute).Format("2006-01-02 15:04:05.999999999 -0700 MST")
uploadURL := strings.TrimSuffix(httplib.GuessCurrentAppURL(ctx), "/") + strings.TrimSuffix(r.prefix, "/") +
"/" + endp + "?sig=" + base64.URLEncoding.EncodeToString(r.buildSignature(endp, expires, artifactName, taskID)) + "&expires=" + url.QueryEscape(expires) + "&artifactName=" + url.QueryEscape(artifactName) + "&taskID=" + fmt.Sprint(taskID)
"/" + endp + "?sig=" + base64.URLEncoding.EncodeToString(r.buildSignature(endp, expires, artifactName, taskID, artifactID)) + "&expires=" + url.QueryEscape(expires) + "&artifactName=" + url.QueryEscape(artifactName) + "&taskID=" + fmt.Sprint(taskID) + "&artifactID=" + fmt.Sprint(artifactID)
return uploadURL
}
func (r artifactV4Routes) verifySignature(ctx *ArtifactContext, endp string) (*actions.ActionTask, string, bool) {
rawTaskID := ctx.Req.URL.Query().Get("taskID")
rawArtifactID := ctx.Req.URL.Query().Get("artifactID")
sig := ctx.Req.URL.Query().Get("sig")
expires := ctx.Req.URL.Query().Get("expires")
artifactName := ctx.Req.URL.Query().Get("artifactName")
dsig, _ := base64.URLEncoding.DecodeString(sig)
taskID, _ := strconv.ParseInt(rawTaskID, 10, 64)
artifactID, _ := strconv.ParseInt(rawArtifactID, 10, 64)
expecedsig := r.buildSignature(endp, expires, artifactName, taskID)
expecedsig := r.buildSignature(endp, expires, artifactName, taskID, artifactID)
if !hmac.Equal(dsig, expecedsig) {
log.Error("Error unauthorized")
ctx.Error(http.StatusUnauthorized, "Error unauthorized")
@ -271,6 +282,8 @@ func (r *artifactV4Routes) createArtifact(ctx *ArtifactContext) {
return
}
artifact.ContentEncoding = ArtifactV4ContentEncoding
artifact.FileSize = 0
artifact.FileCompressedSize = 0
if err := actions.UpdateArtifactByID(ctx, artifact.ID, artifact); err != nil {
log.Error("Error UpdateArtifactByID: %v", err)
ctx.Error(http.StatusInternalServerError, "Error UpdateArtifactByID")
@ -279,7 +292,7 @@ func (r *artifactV4Routes) createArtifact(ctx *ArtifactContext) {
respData := CreateArtifactResponse{
Ok: true,
SignedUploadUrl: r.buildArtifactURL(ctx, "UploadArtifact", artifactName, ctx.ActionTask.ID),
SignedUploadUrl: r.buildArtifactURL(ctx, "UploadArtifact", artifactName, ctx.ActionTask.ID, artifact.ID),
}
r.sendProtbufBody(ctx, &respData)
}
@ -293,38 +306,77 @@ func (r *artifactV4Routes) uploadArtifact(ctx *ArtifactContext) {
comp := ctx.Req.URL.Query().Get("comp")
switch comp {
case "block", "appendBlock":
// get artifact by name
artifact, err := r.getArtifactByName(ctx, task.Job.RunID, artifactName)
if err != nil {
log.Error("Error artifact not found: %v", err)
ctx.Error(http.StatusNotFound, "Error artifact not found")
return
}
blockid := ctx.Req.URL.Query().Get("blockid")
if blockid == "" {
// get artifact by name
artifact, err := r.getArtifactByName(ctx, task.Job.RunID, artifactName)
if err != nil {
log.Error("Error artifact not found: %v", err)
ctx.Error(http.StatusNotFound, "Error artifact not found")
return
}
if comp == "block" {
artifact.FileSize = 0
artifact.FileCompressedSize = 0
_, err = appendUploadChunk(r.fs, ctx, artifact, artifact.FileSize, ctx.Req.ContentLength, artifact.RunID)
if err != nil {
log.Error("Error runner api getting task: task is not running")
ctx.Error(http.StatusInternalServerError, "Error runner api getting task: task is not running")
return
}
artifact.FileCompressedSize += ctx.Req.ContentLength
artifact.FileSize += ctx.Req.ContentLength
if err := actions.UpdateArtifactByID(ctx, artifact.ID, artifact); err != nil {
log.Error("Error UpdateArtifactByID: %v", err)
ctx.Error(http.StatusInternalServerError, "Error UpdateArtifactByID")
return
}
} else {
_, err := r.fs.Save(fmt.Sprintf("tmpv4%d/block-%d-%d-%s", task.Job.RunID, task.Job.RunID, ctx.Req.ContentLength, base64.URLEncoding.EncodeToString([]byte(blockid))), ctx.Req.Body, -1)
if err != nil {
log.Error("Error runner api getting task: task is not running")
ctx.Error(http.StatusInternalServerError, "Error runner api getting task: task is not running")
return
}
}
_, err = appendUploadChunk(r.fs, ctx, artifact, artifact.FileSize, ctx.Req.ContentLength, artifact.RunID)
ctx.JSON(http.StatusCreated, "appended")
case "blocklist":
rawArtifactID := ctx.Req.URL.Query().Get("artifactID")
artifactID, _ := strconv.ParseInt(rawArtifactID, 10, 64)
_, err := r.fs.Save(fmt.Sprintf("tmpv4%d/%d-%d-blocklist", task.Job.RunID, task.Job.RunID, artifactID), ctx.Req.Body, -1)
if err != nil {
log.Error("Error runner api getting task: task is not running")
ctx.Error(http.StatusInternalServerError, "Error runner api getting task: task is not running")
return
}
artifact.FileCompressedSize += ctx.Req.ContentLength
artifact.FileSize += ctx.Req.ContentLength
if err := actions.UpdateArtifactByID(ctx, artifact.ID, artifact); err != nil {
log.Error("Error UpdateArtifactByID: %v", err)
ctx.Error(http.StatusInternalServerError, "Error UpdateArtifactByID")
return
}
ctx.JSON(http.StatusCreated, "appended")
case "blocklist":
ctx.JSON(http.StatusCreated, "created")
}
}
type BlockList struct {
Latest []string `xml:"Latest"`
}
type Latest struct {
Value string `xml:",chardata"`
}
func (r *artifactV4Routes) readBlockList(runID, artifactID int64) (*BlockList, error) {
blockListName := fmt.Sprintf("tmpv4%d/%d-%d-blocklist", runID, runID, artifactID)
s, err := r.fs.Open(blockListName)
if err != nil {
return nil, err
}
xdec := xml.NewDecoder(s)
blockList := &BlockList{}
err = xdec.Decode(blockList)
delerr := r.fs.Delete(blockListName)
if delerr != nil {
log.Warn("Failed to delete blockList %s: %v", blockListName, delerr)
}
return blockList, err
}
func (r *artifactV4Routes) finalizeArtifact(ctx *ArtifactContext) {
var req FinalizeArtifactRequest
@ -343,18 +395,34 @@ func (r *artifactV4Routes) finalizeArtifact(ctx *ArtifactContext) {
ctx.Error(http.StatusNotFound, "Error artifact not found")
return
}
chunkMap, err := listChunksByRunID(r.fs, runID)
var chunks []*chunkFileItem
blockList, err := r.readBlockList(runID, artifact.ID)
if err != nil {
log.Error("Error merge chunks: %v", err)
ctx.Error(http.StatusInternalServerError, "Error merge chunks")
return
}
chunks, ok := chunkMap[artifact.ID]
if !ok {
log.Error("Error merge chunks")
ctx.Error(http.StatusInternalServerError, "Error merge chunks")
return
log.Warn("Failed to read BlockList, fallback to old behavior: %v", err)
chunkMap, err := listChunksByRunID(r.fs, runID)
if err != nil {
log.Error("Error merge chunks: %v", err)
ctx.Error(http.StatusInternalServerError, "Error merge chunks")
return
}
chunks, ok = chunkMap[artifact.ID]
if !ok {
log.Error("Error merge chunks")
ctx.Error(http.StatusInternalServerError, "Error merge chunks")
return
}
} else {
chunks, err = listChunksByRunIDV4(r.fs, runID, artifact.ID, blockList)
if err != nil {
log.Error("Error merge chunks: %v", err)
ctx.Error(http.StatusInternalServerError, "Error merge chunks")
return
}
artifact.FileSize = chunks[len(chunks)-1].End + 1
artifact.FileCompressedSize = chunks[len(chunks)-1].End + 1
}
checksum := ""
if req.Hash != nil {
checksum = req.Hash.Value
@ -455,7 +523,7 @@ func (r *artifactV4Routes) getSignedArtifactURL(ctx *ArtifactContext) {
}
}
if respData.SignedUrl == "" {
respData.SignedUrl = r.buildArtifactURL(ctx, "DownloadArtifact", artifactName, ctx.ActionTask.ID)
respData.SignedUrl = r.buildArtifactURL(ctx, "DownloadArtifact", artifactName, ctx.ActionTask.ID, artifact.ID)
}
r.sendProtbufBody(ctx, &respData)
}

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@ -7,12 +7,14 @@ import (
"bytes"
"crypto/sha256"
"encoding/hex"
"encoding/xml"
"io"
"net/http"
"strings"
"testing"
"time"
"code.gitea.io/gitea/modules/storage"
"code.gitea.io/gitea/routers/api/actions"
actions_service "code.gitea.io/gitea/services/actions"
"code.gitea.io/gitea/tests"
@ -170,6 +172,134 @@ func TestActionsArtifactV4UploadSingleFileWithRetentionDays(t *testing.T) {
assert.True(t, finalizeResp.Ok)
}
func TestActionsArtifactV4UploadSingleFileWithPotentialHarmfulBlockID(t *testing.T) {
defer tests.PrepareTestEnv(t)()
token, err := actions_service.CreateAuthorizationToken(48, 792, 193)
assert.NoError(t, err)
// acquire artifact upload url
req := NewRequestWithBody(t, "POST", "/twirp/github.actions.results.api.v1.ArtifactService/CreateArtifact", toProtoJSON(&actions.CreateArtifactRequest{
Version: 4,
Name: "artifactWithPotentialHarmfulBlockID",
WorkflowRunBackendId: "792",
WorkflowJobRunBackendId: "193",
})).AddTokenAuth(token)
resp := MakeRequest(t, req, http.StatusOK)
var uploadResp actions.CreateArtifactResponse
protojson.Unmarshal(resp.Body.Bytes(), &uploadResp)
assert.True(t, uploadResp.Ok)
assert.Contains(t, uploadResp.SignedUploadUrl, "/twirp/github.actions.results.api.v1.ArtifactService/UploadArtifact")
// get upload urls
idx := strings.Index(uploadResp.SignedUploadUrl, "/twirp/")
url := uploadResp.SignedUploadUrl[idx:] + "&comp=block&blockid=%2f..%2fmyfile"
blockListURL := uploadResp.SignedUploadUrl[idx:] + "&comp=blocklist"
// upload artifact chunk
body := strings.Repeat("A", 1024)
req = NewRequestWithBody(t, "PUT", url, strings.NewReader(body))
MakeRequest(t, req, http.StatusCreated)
// verify that the exploit didn't work
_, err = storage.Actions.Stat("myfile")
assert.Error(t, err)
// upload artifact blockList
blockList := &actions.BlockList{
Latest: []string{
"/../myfile",
},
}
rawBlockList, err := xml.Marshal(blockList)
assert.NoError(t, err)
req = NewRequestWithBody(t, "PUT", blockListURL, bytes.NewReader(rawBlockList))
MakeRequest(t, req, http.StatusCreated)
t.Logf("Create artifact confirm")
sha := sha256.Sum256([]byte(body))
// confirm artifact upload
req = NewRequestWithBody(t, "POST", "/twirp/github.actions.results.api.v1.ArtifactService/FinalizeArtifact", toProtoJSON(&actions.FinalizeArtifactRequest{
Name: "artifactWithPotentialHarmfulBlockID",
Size: 1024,
Hash: wrapperspb.String("sha256:" + hex.EncodeToString(sha[:])),
WorkflowRunBackendId: "792",
WorkflowJobRunBackendId: "193",
})).
AddTokenAuth(token)
resp = MakeRequest(t, req, http.StatusOK)
var finalizeResp actions.FinalizeArtifactResponse
protojson.Unmarshal(resp.Body.Bytes(), &finalizeResp)
assert.True(t, finalizeResp.Ok)
}
func TestActionsArtifactV4UploadSingleFileWithChunksOutOfOrder(t *testing.T) {
defer tests.PrepareTestEnv(t)()
token, err := actions_service.CreateAuthorizationToken(48, 792, 193)
assert.NoError(t, err)
// acquire artifact upload url
req := NewRequestWithBody(t, "POST", "/twirp/github.actions.results.api.v1.ArtifactService/CreateArtifact", toProtoJSON(&actions.CreateArtifactRequest{
Version: 4,
Name: "artifactWithChunksOutOfOrder",
WorkflowRunBackendId: "792",
WorkflowJobRunBackendId: "193",
})).AddTokenAuth(token)
resp := MakeRequest(t, req, http.StatusOK)
var uploadResp actions.CreateArtifactResponse
protojson.Unmarshal(resp.Body.Bytes(), &uploadResp)
assert.True(t, uploadResp.Ok)
assert.Contains(t, uploadResp.SignedUploadUrl, "/twirp/github.actions.results.api.v1.ArtifactService/UploadArtifact")
// get upload urls
idx := strings.Index(uploadResp.SignedUploadUrl, "/twirp/")
block1URL := uploadResp.SignedUploadUrl[idx:] + "&comp=block&blockid=block1"
block2URL := uploadResp.SignedUploadUrl[idx:] + "&comp=block&blockid=block2"
blockListURL := uploadResp.SignedUploadUrl[idx:] + "&comp=blocklist"
// upload artifact chunks
bodyb := strings.Repeat("B", 1024)
req = NewRequestWithBody(t, "PUT", block2URL, strings.NewReader(bodyb))
MakeRequest(t, req, http.StatusCreated)
bodya := strings.Repeat("A", 1024)
req = NewRequestWithBody(t, "PUT", block1URL, strings.NewReader(bodya))
MakeRequest(t, req, http.StatusCreated)
// upload artifact blockList
blockList := &actions.BlockList{
Latest: []string{
"block1",
"block2",
},
}
rawBlockList, err := xml.Marshal(blockList)
assert.NoError(t, err)
req = NewRequestWithBody(t, "PUT", blockListURL, bytes.NewReader(rawBlockList))
MakeRequest(t, req, http.StatusCreated)
t.Logf("Create artifact confirm")
sha := sha256.Sum256([]byte(bodya + bodyb))
// confirm artifact upload
req = NewRequestWithBody(t, "POST", "/twirp/github.actions.results.api.v1.ArtifactService/FinalizeArtifact", toProtoJSON(&actions.FinalizeArtifactRequest{
Name: "artifactWithChunksOutOfOrder",
Size: 2048,
Hash: wrapperspb.String("sha256:" + hex.EncodeToString(sha[:])),
WorkflowRunBackendId: "792",
WorkflowJobRunBackendId: "193",
})).
AddTokenAuth(token)
resp = MakeRequest(t, req, http.StatusOK)
var finalizeResp actions.FinalizeArtifactResponse
protojson.Unmarshal(resp.Body.Bytes(), &finalizeResp)
assert.True(t, finalizeResp.Ok)
}
func TestActionsArtifactV4DownloadSingle(t *testing.T) {
defer tests.PrepareTestEnv(t)()