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Handle uppercase hashes properly (case-fold compare or normalise to lowercase)

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comp500 2022-06-20 16:58:50 +01:00
parent b8d9727833
commit 0d8c1762a3
2 changed files with 6 additions and 6 deletions
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10
core/download.go
View File

@ -299,7 +299,7 @@ func (c *CacheIndex) getHashesMap(i int) map[string]string {
func (c *CacheIndex) GetHandleFromHash(hashFormat string, hash string) *CacheIndexHandle {
storedHashFmtList, hasStoredHashFmt := c.Hashes[hashFormat]
if hasStoredHashFmt {
hashIdx := slices.Index(storedHashFmtList, hash)
hashIdx := slices.Index(storedHashFmtList, strings.ToLower(hash))
if hashIdx > -1 {
return &CacheIndexHandle{
index: c,
@ -322,7 +322,7 @@ func (c *CacheIndex) GetHandleFromHashForce(hashFormat string, hash string) (*Ca
c.Hashes[hashFormat] = storedHashFmtList
// Rehash every file that doesn't have this hash with this hash
for hashIdx, curHash := range storedHashFmtList {
if curHash == hash {
if strings.EqualFold(curHash, hash) {
return &CacheIndexHandle{
index: c,
hashIdx: hashIdx,
@ -334,7 +334,7 @@ func (c *CacheIndex) GetHandleFromHashForce(hashFormat string, hash string) (*Ca
if err != nil {
return nil, fmt.Errorf("failed to rehash %s: %w", c.Hashes[cacheHashFormat][hashIdx], err)
}
if storedHashFmtList[hashIdx] == hash {
if strings.EqualFold(storedHashFmtList[hashIdx], hash) {
return &CacheIndexHandle{
index: c,
hashIdx: hashIdx,
@ -353,7 +353,7 @@ func (c *CacheIndex) GetHandleFromHashForce(hashFormat string, hash string) (*Ca
if err != nil {
return nil, fmt.Errorf("failed to rehash %s: %w", cacheHash, err)
}
if storedHashFmtList[hashIdx] == hash {
if strings.EqualFold(storedHashFmtList[hashIdx], hash) {
return &CacheIndexHandle{
index: c,
hashIdx: hashIdx,
@ -399,7 +399,7 @@ func (c *CacheIndex) NewHandleFromHashes(hashes map[string]string) (*CacheIndexH
if handle != nil {
// Add hashes to handle
for hashFormat2, hash2 := range hashes {
handle.Hashes[hashFormat2] = hash2
handle.Hashes[hashFormat2] = strings.ToLower(hash2)
}
return handle, true
}

2
core/index.go
View File

@ -400,7 +400,7 @@ func (in Index) SaveFile(f IndexFile, dest io.Writer) error {
}
calculatedHash := h.HashToString(h.Sum(nil))
if calculatedHash != f.Hash && !viper.GetBool("no-internal-hashes") {
if !strings.EqualFold(calculatedHash, f.Hash) && !viper.GetBool("no-internal-hashes") {
return errors.New("hash of saved file is invalid")
}