Support Range header end in lfs (#11314)
* Initial support of end Range header option in lfs * Allow end range option to be unspecified * Declare toByte for consistency * Factor out content encoding tests from doLfs This is so Range tests could still use doLfs but without repeating not related tests * Add Range header test * implemented extraHeader * parametrized expectedStatus * Add more test cases of Range header * Fix S1030: should use resp.Body.String() * Add more tests for edge cases * Fix tests Signed-off-by: Andrew Thornton <art27@cantab.net> Co-authored-by: zeripath <art27@cantab.net>release/v1.15
burbon
GitHub
parent
742e26f5a5
commit
d8e6acda8c
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@ -12,6 +12,7 @@ import (
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"io"
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"io/ioutil"
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"net/http"
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"net/http/httptest"
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"testing"
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"code.gitea.io/gitea/models"
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@ -56,13 +57,7 @@ func storeObjectInRepo(t *testing.T, repositoryID int64, content *[]byte) string
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return oid
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}
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func doLfs(t *testing.T, content *[]byte, expectGzip bool) {
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defer prepareTestEnv(t)()
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setting.CheckLFSVersion()
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if !setting.LFS.StartServer {
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t.Skip()
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return
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}
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func storeAndGetLfs(t *testing.T, content *[]byte, extraHeader *http.Header, expectedStatus int) *httptest.ResponseRecorder {
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repo, err := models.GetRepositoryByOwnerAndName("user2", "repo1")
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assert.NoError(t, err)
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oid := storeObjectInRepo(t, repo.ID, content)
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@ -73,8 +68,19 @@ func doLfs(t *testing.T, content *[]byte, expectGzip bool) {
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// Request OID
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req := NewRequest(t, "GET", "/user2/repo1.git/info/lfs/objects/"+oid+"/test")
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req.Header.Set("Accept-Encoding", "gzip")
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resp := session.MakeRequest(t, req, http.StatusOK)
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if extraHeader != nil {
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for key, values := range *extraHeader {
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for _, value := range values {
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req.Header.Add(key, value)
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}
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}
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}
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resp := session.MakeRequest(t, req, expectedStatus)
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return resp
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}
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func checkResponseTestContentEncoding(t *testing.T, content *[]byte, resp *httptest.ResponseRecorder, expectGzip bool) {
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contentEncoding := resp.Header().Get("Content-Encoding")
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if !expectGzip || !setting.EnableGzip {
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assert.NotContains(t, contentEncoding, "gzip")
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@ -89,23 +95,44 @@ func doLfs(t *testing.T, content *[]byte, expectGzip bool) {
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assert.NoError(t, err)
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assert.Equal(t, *content, result)
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}
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}
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func TestGetLFSSmall(t *testing.T) {
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defer prepareTestEnv(t)()
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setting.CheckLFSVersion()
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if !setting.LFS.StartServer {
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t.Skip()
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return
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}
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content := []byte("A very small file\n")
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doLfs(t, &content, false)
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resp := storeAndGetLfs(t, &content, nil, http.StatusOK)
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checkResponseTestContentEncoding(t, &content, resp, false)
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}
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func TestGetLFSLarge(t *testing.T) {
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defer prepareTestEnv(t)()
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setting.CheckLFSVersion()
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if !setting.LFS.StartServer {
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t.Skip()
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return
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}
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content := make([]byte, gzip.MinSize*10)
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for i := range content {
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content[i] = byte(i % 256)
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}
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doLfs(t, &content, true)
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resp := storeAndGetLfs(t, &content, nil, http.StatusOK)
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checkResponseTestContentEncoding(t, &content, resp, true)
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}
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func TestGetLFSGzip(t *testing.T) {
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defer prepareTestEnv(t)()
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setting.CheckLFSVersion()
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if !setting.LFS.StartServer {
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t.Skip()
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return
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}
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b := make([]byte, gzip.MinSize*10)
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for i := range b {
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b[i] = byte(i % 256)
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@ -115,10 +142,18 @@ func TestGetLFSGzip(t *testing.T) {
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gzippWriter.Write(b)
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gzippWriter.Close()
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content := outputBuffer.Bytes()
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doLfs(t, &content, false)
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resp := storeAndGetLfs(t, &content, nil, http.StatusOK)
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checkResponseTestContentEncoding(t, &content, resp, false)
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}
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func TestGetLFSZip(t *testing.T) {
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defer prepareTestEnv(t)()
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setting.CheckLFSVersion()
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if !setting.LFS.StartServer {
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t.Skip()
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return
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}
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b := make([]byte, gzip.MinSize*10)
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for i := range b {
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b[i] = byte(i % 256)
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@ -130,5 +165,61 @@ func TestGetLFSZip(t *testing.T) {
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fileWriter.Write(b)
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zipWriter.Close()
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content := outputBuffer.Bytes()
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doLfs(t, &content, false)
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resp := storeAndGetLfs(t, &content, nil, http.StatusOK)
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checkResponseTestContentEncoding(t, &content, resp, false)
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}
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func TestGetLFSRangeNo(t *testing.T) {
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defer prepareTestEnv(t)()
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setting.CheckLFSVersion()
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if !setting.LFS.StartServer {
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t.Skip()
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return
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}
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content := []byte("123456789\n")
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resp := storeAndGetLfs(t, &content, nil, http.StatusOK)
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assert.Equal(t, content, resp.Body.Bytes())
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}
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func TestGetLFSRange(t *testing.T) {
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defer prepareTestEnv(t)()
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setting.CheckLFSVersion()
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if !setting.LFS.StartServer {
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t.Skip()
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return
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}
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content := []byte("123456789\n")
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tests := []struct {
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in string
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out string
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status int
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}{
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{"bytes=0-0", "1", http.StatusPartialContent},
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{"bytes=0-1", "12", http.StatusPartialContent},
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{"bytes=1-1", "2", http.StatusPartialContent},
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{"bytes=1-3", "234", http.StatusPartialContent},
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{"bytes=1-", "23456789\n", http.StatusPartialContent},
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// end-range smaller than start-range is ignored
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{"bytes=1-0", "23456789\n", http.StatusPartialContent},
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{"bytes=0-10", "123456789\n", http.StatusPartialContent},
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// end-range bigger than length-1 is ignored
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{"bytes=0-11", "123456789\n", http.StatusPartialContent},
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{"bytes=11-", "", http.StatusPartialContent},
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// incorrect header value cause whole header to be ignored
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{"bytes=-", "123456789\n", http.StatusOK},
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{"foobar", "123456789\n", http.StatusOK},
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}
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for _, tt := range tests {
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t.Run(tt.in, func(t *testing.T) {
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h := http.Header{
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"Range": []string{tt.in},
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}
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resp := storeAndGetLfs(t, &content, &h, tt.status)
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assert.Equal(t, tt.out, resp.Body.String())
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})
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}
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}
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@ -165,15 +165,24 @@ func getContentHandler(ctx *context.Context) {
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}
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// Support resume download using Range header
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var fromByte int64
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var fromByte, toByte int64
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toByte = meta.Size - 1
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statusCode := 200
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if rangeHdr := ctx.Req.Header.Get("Range"); rangeHdr != "" {
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regex := regexp.MustCompile(`bytes=(\d+)\-.*`)
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regex := regexp.MustCompile(`bytes=(\d+)\-(\d*).*`)
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match := regex.FindStringSubmatch(rangeHdr)
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if len(match) > 1 {
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statusCode = 206
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fromByte, _ = strconv.ParseInt(match[1], 10, 32)
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ctx.Resp.Header().Set("Content-Range", fmt.Sprintf("bytes %d-%d/%d", fromByte, meta.Size-1, meta.Size-fromByte))
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if match[2] != "" {
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_toByte, _ := strconv.ParseInt(match[2], 10, 32)
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if _toByte >= fromByte && _toByte < toByte {
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toByte = _toByte
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}
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}
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ctx.Resp.Header().Set("Content-Range", fmt.Sprintf("bytes %d-%d/%d", fromByte, toByte, meta.Size-fromByte))
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}
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}
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@ -186,7 +195,8 @@ func getContentHandler(ctx *context.Context) {
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}
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defer content.Close()
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ctx.Resp.Header().Set("Content-Length", strconv.FormatInt(meta.Size-fromByte, 10))
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contentLength := toByte + 1 - fromByte
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ctx.Resp.Header().Set("Content-Length", strconv.FormatInt(contentLength, 10))
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ctx.Resp.Header().Set("Content-Type", "application/octet-stream")
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filename := ctx.Params("filename")
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@ -198,7 +208,7 @@ func getContentHandler(ctx *context.Context) {
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}
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ctx.Resp.WriteHeader(statusCode)
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if written, err := io.Copy(ctx.Resp, content); err != nil {
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if written, err := io.CopyN(ctx.Resp, content, contentLength); err != nil {
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log.Error("Error whilst copying LFS OID[%s] to the response after %d bytes. Error: %v", meta.Oid, written, err)
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}
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logRequest(ctx.Req, statusCode)
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