| // Copyright 2014 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_AFFILIATION_FETCHER_H_ |
| #define COMPONENTS_PASSWORD_MANAGER_CORE_BROWSER_AFFILIATION_FETCHER_H_ |
| |
| #include <vector> |
| |
| #include "base/macros.h" |
| #include "base/memory/ref_counted.h" |
| #include "components/password_manager/core/browser/affiliation_fetcher_delegate.h" |
| #include "components/password_manager/core/browser/affiliation_utils.h" |
| #include "net/url_request/url_fetcher_delegate.h" |
| |
| class GURL; |
| |
| namespace net { |
| class URLRequestContextGetter; |
| } // namespace net |
| |
| namespace password_manager { |
| |
| // Fetches authoritative information regarding which facets are affiliated with |
| // each other, that is, which facets belong to the same logical application. |
| // See affiliation_utils.h for a definition of what this means. |
| // |
| // An instance is good for exactly one fetch, and may be used from any thread |
| // that runs a message loop (i.e. not a worker pool thread). |
| class AffiliationFetcher : net::URLFetcherDelegate { |
| public: |
| ~AffiliationFetcher() override; |
| |
| // Constructs a fetcher to retrieve affiliations for each facet in |facet_ids| |
| // using the specified |request_context_getter|, and will provide the results |
| // to the |delegate| on the same thread that creates the instance. |
| static AffiliationFetcher* Create( |
| net::URLRequestContextGetter* request_context_getter, |
| const std::vector<FacetURI>& facet_uris, |
| AffiliationFetcherDelegate* delegate); |
| |
| // Actually starts the request, and will call the delegate with the results on |
| // the same thread when done. If |this| is destroyed before completion, the |
| // in-flight request is cancelled, and the delegate will not be called. |
| // Further details: |
| // * No cookies are sent/saved with the request. |
| // * In case of network/server errors, the request will not be retried. |
| // * Results are guaranteed to be always fresh and will never be cached. |
| virtual void StartRequest(); |
| |
| const std::vector<FacetURI>& requested_facet_uris() const { |
| return requested_facet_uris_; |
| } |
| |
| AffiliationFetcherDelegate* delegate() const { return delegate_; } |
| |
| protected: |
| AffiliationFetcher(net::URLRequestContextGetter* request_context_getter, |
| const std::vector<FacetURI>& facet_uris, |
| AffiliationFetcherDelegate* delegate); |
| |
| private: |
| // Builds the URL for the Affiliation API's lookup method. |
| GURL BuildQueryURL() const; |
| |
| // Prepares and returns the serialized protocol buffer message that will be |
| // the payload of the POST request. |
| std::string PreparePayload() const; |
| |
| // Parses and validates the response protocol buffer message for a list of |
| // equivalence classes, stores them into |result| and returns true on success. |
| // Returns false if the response was gravely ill-formed or self-inconsistent. |
| // Unknown kinds of facet URIs and new protocol buffer fields will be ignored. |
| bool ParseResponse(AffiliationFetcherDelegate::Result* result) const; |
| |
| // net::URLFetcherDelegate: |
| void OnURLFetchComplete(const net::URLFetcher* source) override; |
| |
| const scoped_refptr<net::URLRequestContextGetter> request_context_getter_; |
| const std::vector<FacetURI> requested_facet_uris_; |
| AffiliationFetcherDelegate* const delegate_; |
| |
| scoped_ptr<net::URLFetcher> fetcher_; |
| |
| DISALLOW_COPY_AND_ASSIGN(AffiliationFetcher); |
| }; |
| |
| } // namespace password_manager |
| |
| #endif // COMPONENTS_PASSWORD_MANAGER_CORE_BROWSER_AFFILIATION_FETCHER_H_ |