utils/uri.cc

// Copyright 2026 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//    https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//

#include "utils/uri.h"

#include <cstddef>

#include "absl/status/status.h"
#include "absl/status/statusor.h"
#include "absl/strings/str_cat.h"
#include "absl/strings/string_view.h"
#include "absl/strings/strip.h"
#include "constants/labels.h"

namespace credentio {

absl::StatusOr<absl::string_view> GetManifestLabelFromAbsoluteUri(
    absl::string_view uri) {
  if (!absl::ConsumePrefix(&uri, "self#jumbf=/c2pa/")) {
    return absl::InvalidArgumentError(absl::StrCat("invalid URI: ", uri));
  }
  size_t pos = uri.find(kManifestLabelDelimiter);
  absl::string_view label = uri.substr(0, pos);
  if (label.empty()) {
    return absl::InvalidArgumentError(
        absl::StrCat("empty manifest label in URI: ", uri));
  }
  return label;
}

}  // namespace credentio