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Better error handling; skip file when unarchiving

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This commit is contained in:
Dane Everitt
2021-01-10 17:01:41 -08:00
parent b10e4dd437
commit e9e70b6081
3 changed files with 16 additions and 20 deletions
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20
router/error.go
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@@ -77,7 +77,6 @@ func (e *RequestError) AbortWithStatus(status int, c *gin.Context) {
// If this error is because the resource does not exist, we likely do not need to log
// the error anywhere, just return a 404 and move on with our lives.
if errors.Is(e.err, os.ErrNotExist) {
e.logger().Debug("encountered os.IsNotExist error while handling request")
c.AbortWithStatusJSON(http.StatusNotFound, gin.H{
"error": "The requested resource was not found on the system.",
})
@@ -122,16 +121,19 @@ func (e *RequestError) Abort(c *gin.Context) {
// Looks at the given RequestError and determines if it is a specific filesystem error that
// we can process and return differently for the user.
func (e *RequestError) getAsFilesystemError() (int, string) {
if filesystem.IsErrorCode(e.err, filesystem.ErrCodePathResolution) || errors.Is(e.err, os.ErrNotExist) {
return http.StatusNotFound, "The requested resource was not found on the system."
}
if filesystem.IsErrorCode(e.err, filesystem.ErrCodeDiskSpace) {
return http.StatusConflict, "There is not enough disk space available to perform that action."
}
if filesystem.IsErrorCode(e.err, filesystem.ErrCodeDenylistFile) {
// Some external things end up calling fmt.Errorf() on our filesystem errors
// which ends up just unleashing chaos on the system. For the sake of this
// fallback to using text checks...
if filesystem.IsErrorCode(e.err, filesystem.ErrCodeDenylistFile) || strings.Contains(e.err.Error(), "filesystem: file access prohibited") {
return http.StatusForbidden, "This file cannot be modified: present in egg denylist."
}
if filesystem.IsErrorCode(e.err, filesystem.ErrCodeIsDirectory) {
if filesystem.IsErrorCode(e.err, filesystem.ErrCodePathResolution) || strings.Contains(e.err.Error(), "resolves to a location outside the server root") {
return http.StatusNotFound, "The requested resource was not found on the system."
}
if filesystem.IsErrorCode(e.err, filesystem.ErrCodeIsDirectory) || strings.Contains(e.err.Error(), "filesystem: is a directory") {
return http.StatusBadRequest, "Cannot perform that action: file is a directory."
}
if filesystem.IsErrorCode(e.err, filesystem.ErrCodeDiskSpace) || strings.Contains(e.err.Error(), "filesystem: not enough disk space") {
return http.StatusBadRequest, "Cannot perform that action: file is a directory."
}
if strings.HasSuffix(e.err.Error(), "file name too long") {