X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=src%2Fsync%2Finternal_api%2Fpublic%2Fattachments%2Fattachment_downloader_impl.h;h=363d805a9d226b94994fbd797076272ca0557255;hb=1afa4dd80ef85af7c90efaea6959db1d92330844;hp=8b62ec34dc1604255279e8175057d933bd58e775;hpb=90762837333c13ccf56f2ad88e4481fc71e8d281;p=platform%2Fframework%2Fweb%2Fcrosswalk.git

diff --git a/src/sync/internal_api/public/attachments/attachment_downloader_impl.h b/src/sync/internal_api/public/attachments/attachment_downloader_impl.h
index 8b62ec3..363d805 100644
--- a/src/sync/internal_api/public/attachments/attachment_downloader_impl.h
+++ b/src/sync/internal_api/public/attachments/attachment_downloader_impl.h
@@ -13,6 +13,10 @@
 #include "sync/internal_api/public/attachments/attachment_downloader.h"
 #include "url/gurl.h"
 
+namespace net {
+class HttpResponseHeaders;
+}  // namespace net
+
 namespace syncer {
 
 // An implementation of AttachmentDownloader.
@@ -38,23 +42,27 @@ class AttachmentDownloaderImpl : public AttachmentDownloader,
       const OAuth2TokenService::ScopeSet& scopes,
       const scoped_refptr<OAuth2TokenServiceRequest::TokenServiceProvider>&
           token_service_provider);
-  virtual ~AttachmentDownloaderImpl();
+  ~AttachmentDownloaderImpl() override;
 
   // AttachmentDownloader implementation.
-  virtual void DownloadAttachment(const AttachmentId& attachment_id,
-                                  const DownloadCallback& callback) OVERRIDE;
+  void DownloadAttachment(const AttachmentId& attachment_id,
+                          const DownloadCallback& callback) override;
 
   // OAuth2TokenService::Consumer implementation.
-  virtual void OnGetTokenSuccess(const OAuth2TokenService::Request* request,
-                                 const std::string& access_token,
-                                 const base::Time& expiration_time) OVERRIDE;
-  virtual void OnGetTokenFailure(const OAuth2TokenService::Request* request,
-                                 const GoogleServiceAuthError& error) OVERRIDE;
+  void OnGetTokenSuccess(const OAuth2TokenService::Request* request,
+                         const std::string& access_token,
+                         const base::Time& expiration_time) override;
+  void OnGetTokenFailure(const OAuth2TokenService::Request* request,
+                         const GoogleServiceAuthError& error) override;
 
   // net::URLFetcherDelegate implementation.
-  virtual void OnURLFetchComplete(const net::URLFetcher* source) OVERRIDE;
+  void OnURLFetchComplete(const net::URLFetcher* source) override;
 
  private:
+  FRIEND_TEST_ALL_PREFIXES(AttachmentDownloaderImplTest, ExtractCrc32c_First);
+  FRIEND_TEST_ALL_PREFIXES(AttachmentDownloaderImplTest, ExtractCrc32c_None);
+  FRIEND_TEST_ALL_PREFIXES(AttachmentDownloaderImplTest, ExtractCrc32c_Empty);
+
   struct DownloadState;
   typedef std::string AttachmentUrl;
   typedef base::ScopedPtrHashMap<AttachmentUrl, DownloadState> StateMap;
@@ -68,6 +76,22 @@ class AttachmentDownloaderImpl : public AttachmentDownloader,
       const DownloadResult& result,
       const scoped_refptr<base::RefCountedString>& attachment_data);
 
+  // Verify the integrity of |data| using the hash received in |fetcher|.
+  //
+  // Assumes that the request in |fetcher| has completed.
+  //
+  // Returns true if the hash of |data| matches the hash contained in |fetcher|
+  // or if |fetcher| contains no hash (no hash, no problem).
+  static bool VerifyHashIfPresent(const net::URLFetcher& fetcher,
+                                  const std::string& data);
+
+  // Extract the crc32c from an X-Goog-Hash header in |headers|.
+  //
+  // Return true if a crc32c was found and set |crc32c|.
+  SYNC_EXPORT_PRIVATE static bool ExtractCrc32c(
+      const net::HttpResponseHeaders& headers,
+      std::string* crc32c);
+
   GURL sync_service_url_;
   scoped_refptr<net::URLRequestContextGetter> url_request_context_getter_;