5 Commits

Author SHA1 Message Date
Sotirios Pupakis
93b73d7bea fix 2025-09-08 21:23:20 +02:00
Sotirios Pupakis
110d8c073d ffs 2025-09-08 04:27:09 +02:00
Sotirios Pupakis
2fa2b48611 change 2025-09-08 04:20:15 +02:00
Sotirios Pupakis
8f0fcdca4a Added reference for data 2025-09-06 23:34:53 +02:00
Sotirios Pupakis
345bd44323 Added error hadnling 2025-09-06 23:01:41 +02:00
2 changed files with 14 additions and 11 deletions

View File

@@ -146,8 +146,8 @@ func parseDirectory(r *bytes.Reader, path string, dataBlockOffset int64) ([]PakE
return entries, totalSize, nil return entries, totalSize, nil
} }
func GetPakFileInfo(data []byte) ([]PakEntry, error) { func GetPakFileInfo(data *[]byte) ([]PakEntry, error) {
r := bytes.NewReader(data) r := bytes.NewReader(*data)
// Read FORM header // Read FORM header
if err := readString(r, "FORM"); err != nil { if err := readString(r, "FORM"); err != nil {

21
util.go
View File

@@ -12,6 +12,7 @@ import (
) )
var Debug = false var Debug = false
var DownThreads = 8
func DoAssetsRequest(addonID, version string) (AssetsReply, error) { func DoAssetsRequest(addonID, version string) (AssetsReply, error) {
url := "https://api-ar-workshop.bistudio.com/workshop-api/api/v3.0/s2s/assets/download-list" url := "https://api-ar-workshop.bistudio.com/workshop-api/api/v3.0/s2s/assets/download-list"
@@ -37,7 +38,7 @@ func DoAssetsRequest(addonID, version string) (AssetsReply, error) {
// print entire body // print entire body
body, _ := io.ReadAll(res.Body) body, _ := io.ReadAll(res.Body)
fmt.Println(string(body)) fmt.Println(string(body))
panic("bad status: " + res.Status) return AssetsReply{}, fmt.Errorf("bad status: %s", res.Status)
} }
// Process response // Process response
@@ -80,7 +81,7 @@ func Download(manifest Manifest, downloadDir string, filen string) ([]byte, erro
if Debug { if Debug {
// create the directory if it doesn't exist // create the directory if it doesn't exist
if err := os.MkdirAll(downloadDir + "/fragments/" + filen, os.ModePerm); err != nil { if err := os.MkdirAll(downloadDir+"/fragments/"+filen, os.ModePerm); err != nil {
return nil, err return nil, err
} }
} }
@@ -89,7 +90,7 @@ func Download(manifest Manifest, downloadDir string, filen string) ([]byte, erro
downloaded := 0 downloaded := 0
remContent := make([]byte, 0) remContent := make([]byte, 0)
currentRem := 0 currentRem := 0
if (manifest.Remainder.Size > 0) { if manifest.Remainder.Size > 0 {
url := transformShaToURL(manifest.Remainder.Sha512, manifest.Remainder.Size) url := transformShaToURL(manifest.Remainder.Sha512, manifest.Remainder.Size)
content, err := getContent(url) content, err := getContent(url)
if err != nil { if err != nil {
@@ -97,7 +98,7 @@ func Download(manifest Manifest, downloadDir string, filen string) ([]byte, erro
} }
remContent = content remContent = content
downloaded += len(content) downloaded += len(content)
if Debug { if Debug {
// save remainder to file in the fragments/ directory, prefix with gap // save remainder to file in the fragments/ directory, prefix with gap
if err := os.WriteFile(filepath.Join(downloadDir, "fragments", filen, fmt.Sprintf("%d.%s.%d.bytes", manifest.Remainder.Offsets[0], manifest.Remainder.Sha512, manifest.Remainder.Size)), remContent, os.ModePerm); err != nil { if err := os.WriteFile(filepath.Join(downloadDir, "fragments", filen, fmt.Sprintf("%d.%s.%d.bytes", manifest.Remainder.Offsets[0], manifest.Remainder.Sha512, manifest.Remainder.Size)), remContent, os.ModePerm); err != nil {
@@ -105,12 +106,12 @@ func Download(manifest Manifest, downloadDir string, filen string) ([]byte, erro
} }
} }
} }
trackFrag := make([]Frag, 0) trackFrag := make([]Frag, 0)
// start downloading chunks // start downloading chunks
//currentOffset := 0
ret := make([]byte, manifest.Size) ret := make([]byte, manifest.Size)
totalMB := float32(manifest.Size) / 1024.0 / 1024.0
for _, fragment := range manifest.Fragments { for _, fragment := range manifest.Fragments {
url := transformShaToURL(fragment.Sha512, fragment.Size) url := transformShaToURL(fragment.Sha512, fragment.Size)
content, err := getContent(url) content, err := getContent(url)
@@ -129,9 +130,10 @@ func Download(manifest Manifest, downloadDir string, filen string) ([]byte, erro
return nil, err return nil, err
} }
} }
percent := float32(downloaded) / float32(manifest.Size) * 100.0 percent := float32(downloaded) / float32(manifest.Size) * 100.0
fmt.Printf("\r\033[32mDownloaded\033[0m %d/%d (\033[36m%.2f%%\033[0m) of \033[33m%s\033[0m", downloaded, manifest.Size, percent, filen) downedMB := float32(downloaded) / 1024.0 / 1024.0
fmt.Printf("\r\033[32mDownloaded\033[0m %fMB/%fMB (\033[36m%.2f%%\033[0m) of \033[33m%s\033[0m", downedMB, totalMB, percent, filen)
} }
// sort trackFrag by Offset // sort trackFrag by Offset
@@ -141,11 +143,12 @@ func Download(manifest Manifest, downloadDir string, filen string) ([]byte, erro
// check for gaps in trackFrag and fill with remainder content // check for gaps in trackFrag and fill with remainder content
curPos := 0 curPos := 0
for _, frag := range trackFrag { for _, frag := range trackFrag {
if frag.Offset > curPos { if frag.Offset > curPos {
// gap detected // gap detected
gapSize := frag.Offset - curPos gapSize := frag.Offset - curPos
if currentRem + gapSize > len(remContent) { if currentRem+gapSize > len(remContent) {
panic("not enough remainder content to fill gap") panic("not enough remainder content to fill gap")
} }
copy(ret[curPos:curPos+gapSize], remContent[currentRem:currentRem+gapSize]) copy(ret[curPos:curPos+gapSize], remContent[currentRem:currentRem+gapSize])