func (input *graderBaseInput) Verify() error {
stat, err := os.Stat(input.archivePath)
if err != nil {
return err
}
hash, err := common.Sha1sum(input.archivePath)
if err != nil {
return err
}
storedHash, err := input.getStoredHash()
if err != nil {
return err
}
if storedHash != fmt.Sprintf("%0x", hash) {
return errors.New("Hash verification failed")
}
uncompressedSize, err := input.getStoredLength()
if err != nil {
return err
}
input.storedHash = storedHash
input.uncompressedSize = uncompressedSize
input.Commit(stat.Size())
return nil
}
func (input *GraderInput) Persist() error {
if err := os.MkdirAll(path.Dir(input.archivePath), 0755); err != nil {
return err
}
tmpPath := fmt.Sprintf("%s.tmp", input.archivePath)
defer os.Remove(tmpPath)
uncompressedSize, err := input.createArchiveFromGit(tmpPath)
if err != nil {
return err
}
stat, err := os.Stat(tmpPath)
if err != nil {
return err
}
hash, err := common.Sha1sum(tmpPath)
if err != nil {
return err
}
hashFd, err := os.Create(fmt.Sprintf("%s.sha1", input.archivePath))
if err != nil {
return err
}
defer hashFd.Close()
if _, err := fmt.Fprintf(
hashFd,
"%0x *%s\n",
hash,
path.Base(input.archivePath),
); err != nil {
return err
}
sizeFd, err := os.Create(fmt.Sprintf("%s.len", input.archivePath))
if err != nil {
return err
}
defer sizeFd.Close()
if _, err := fmt.Fprintf(sizeFd, "%d\n", uncompressedSize); err != nil {
return err
}
if err := os.Rename(tmpPath, input.archivePath); err != nil {
return err
}
input.storedHash = fmt.Sprintf("%0x", hash)
input.uncompressedSize = uncompressedSize
input.Commit(stat.Size())
return nil
}
func (input *runnerBaseInput) Verify() error {
hashes, err := input.getStoredHashes()
if err != nil {
return err
}
var size int64 = 0
for path, expectedHashStr := range hashes {
actualHash, err := common.Sha1sum(path)
if err != nil {
return err
}
actualHashStr := fmt.Sprintf("%0x", actualHash)
if actualHashStr != expectedHashStr {
return errors.New(fmt.Sprintf(
"hash mismatch for '%s' == %q, want %q",
path,
actualHashStr,
expectedHashStr,
))
}
stat, err := os.Stat(path)
if err != nil {
return err
}
size += stat.Size()
}
settingsFd, err := os.Open(path.Join(input.path, "settings.json"))
if err != nil {
return err
}
defer settingsFd.Close()
decoder := json.NewDecoder(settingsFd)
if err := decoder.Decode(input.Settings()); err != nil {
return err
}
input.Commit(size)
return nil
}