bkietz commented on code in PR #41559:
URL: https://github.com/apache/arrow/pull/41559#discussion_r1775922083
##########
cpp/src/arrow/filesystem/s3fs.cc:
##########
@@ -3031,6 +3034,30 @@ Result<std::string> S3FileSystem::PathFromUri(const
std::string& uri_string) con
internal::AuthorityHandlingBehavior::kPrepend);
}
+Result<std::string> S3FileSystem::MakeUri(std::string path) const {
+ if (path.length() <= 1 || path[0] != '/') {
+ return Status::Invalid("MakeUri requires an absolute, non-root path, got
", path);
+ }
+ ARROW_ASSIGN_OR_RAISE(auto uri, util::UriFromAbsolutePath(path));
+ if (!options().GetAccessKey().empty()) {
+ uri = "s3://" + options().GetAccessKey() + ":" + options().GetSecretKey()
+ "@" +
+ uri.substr("file:///"s.size());
Review Comment:
This has been in place since S3 URIs were supported,
https://github.com/apache/arrow/pull/6403
The URI is intended to be a fully self contained initializer for a
filesystem, so if the filesystem requires secrets for initialization then the
URI must contain them
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