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Unified Diff: components/password_manager/core/browser/site_affiliation/asset_link_retriever.h

Issue 2944533003: Implement AssetLinkRetriever for Asset Links in Chrome. (Closed)
Patch Set: comments Created 3 years, 6 months ago
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Index: components/password_manager/core/browser/site_affiliation/asset_link_retriever.h
diff --git a/components/password_manager/core/browser/site_affiliation/asset_link_retriever.h b/components/password_manager/core/browser/site_affiliation/asset_link_retriever.h
new file mode 100644
index 0000000000000000000000000000000000000000..42ae1a121ce0f1cdbdbd6480cc298e5a7fb6989f
--- /dev/null
+++ b/components/password_manager/core/browser/site_affiliation/asset_link_retriever.h
@@ -0,0 +1,67 @@
+// Copyright 2017 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef COMPONENTS_PASSWORD_MANAGER_CORE_BROWSER_SITE_AFFILIATION_ASSET_LINK_RETRIEVER_H_
+#define COMPONENTS_PASSWORD_MANAGER_CORE_BROWSER_SITE_AFFILIATION_ASSET_LINK_RETRIEVER_H_
+
+#include <memory>
+
+#include "base/macros.h"
+#include "base/memory/ref_counted.h"
+#include "net/url_request/url_fetcher_delegate.h"
+#include "url/gurl.h"
+
+namespace net {
+class URLRequestContextGetter;
+}
+
+namespace password_manager {
+
+// The class is responsible for fetching and parsing the digit asset links file.
+// The file is a JSON containing different directives for the domain. The class
+// is only interested in those related to credentials delegations.
+// The spec is
+// https://github.com/google/digitalassetlinks/blob/master/well-known/details.md
+class AssetLinkRetriever : public base::RefCounted<AssetLinkRetriever>,
+ public net::URLFetcherDelegate {
+ public:
+ enum class State {
+ INACTIVE,
+ NETWORK_REQUEST,
+ FINISHED,
+ };
+
+ explicit AssetLinkRetriever(GURL file_url);
+
+ // Starts a network request if the current state is INACTIVE. All the calls
+ // afterwards are ignored.
+ void Start(net::URLRequestContextGetter* context_getter);
+
+ State state() const { return state_; }
+
+ bool error() const { return error_; }
+
+ private:
+ friend class base::RefCounted<AssetLinkRetriever>;
+ ~AssetLinkRetriever() override;
+
+ // net::URLFetcherDelegate:
+ void OnURLFetchComplete(const net::URLFetcher* source) override;
+
+ // URL of the file retrieved.
+ const GURL url_;
+
+ // Current state of the retrieval.
+ State state_;
+
+ // Whether the reading finished with error.
+ bool error_;
+
+ std::unique_ptr<net::URLFetcher> fetcher_;
+
+ DISALLOW_COPY_AND_ASSIGN(AssetLinkRetriever);
+};
+
+} // namespace password_manager
+#endif // COMPONENTS_PASSWORD_MANAGER_CORE_BROWSER_SITE_AFFILIATION_ASSET_LINK_RETRIEVER_H_

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