// Copyright 2013 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 CHROME_BROWSER_COMPONENT_UPDATER_UPDATE_RESPONSE_H_ #define CHROME_BROWSER_COMPONENT_UPDATER_UPDATE_RESPONSE_H_ #include <string> #include <vector> #include "base/basictypes.h" #include "url/gurl.h" namespace component_updater { // Parses responses for the update protocol version 3. // (http://code.google.com/p/omaha/wiki/ServerProtocol) // // An update response looks like this: // // <?xml version="1.0" encoding="UTF-8"?> // <response protocol="3.0" server="prod"> // <daystart elapsed_seconds="56508"/> // <app appid="{430FD4D0-B729-4F61-AA34-91526481799D}" status="ok"> // <updatecheck status="noupdate"/> // <ping status="ok"/> // </app> // <app appid="{D0AB2EBC-931B-4013-9FEB-C9C4C2225C8C}" status="ok"> // <updatecheck status="ok"> // <urls> // <url codebase="http://host/edgedl/chrome/install/782.112/" // <url codebasediff="http://fallback/chrome/diff/782.112/"/> // </urls> // <manifest version="13.0.782.112" prodversionmin="2.0.143.0"> // <packages> // <package name="component.crx" // namediff="diff_1.2.3.4.crx" // fp="1.123" // hash_sha256="9830b4245c4..." size="23963192" // hashdiff_sha256="cfb6caf3d0..." sizediff="101"/> // </packages> // </manifest> // </updatecheck> // <ping status="ok"/> // </app> // </response> // // The <daystart> tag contains a "elapsed_seconds" attribute which refers to // the server's notion of how many seconds it has been since midnight. // // The "appid" attribute of the <app> tag refers to the unique id of the // extension. The "codebase" attribute of the <updatecheck> tag is the url to // fetch the updated crx file, and the "prodversionmin" attribute refers to // the minimum version of the chrome browser that the update applies to. // // The diff data members correspond to the differential update package, if // a differential update is specified in the response. class UpdateResponse { public: // The result of parsing one <app> tag in an xml update check response. struct Result { struct Manifest { struct Package { Package(); ~Package(); std::string fingerprint; // Attributes for the full update. std::string name; std::string hash_sha256; int size; // Attributes for the differential update. std::string namediff; std::string hashdiff_sha256; int sizediff; }; Manifest(); ~Manifest(); std::string version; std::string browser_min_version; std::vector<Package> packages; }; Result(); ~Result(); std::string extension_id; // The list of fallback urls, for full and diff updates respectively. // These urls are base urls; they don't include the filename. std::vector<GURL> crx_urls; std::vector<GURL> crx_diffurls; Manifest manifest; }; static const int kNoDaystart = -1; struct Results { Results(); ~Results(); // This will be >= 0, or kNoDaystart if the <daystart> tag was not present. int daystart_elapsed_seconds; std::vector<Result> list; }; UpdateResponse(); ~UpdateResponse(); // Parses an update response xml string into Result data. Returns a bool // indicating success or failure. On success, the results are available by // calling results(). The details for any failures are available by calling // errors(). bool Parse(const std::string& manifest_xml); const Results& results() const { return results_; } const std::string& errors() const { return errors_; } private: Results results_; std::string errors_; // Adds parse error details to |errors_| string. void ParseError(const char* details, ...); DISALLOW_COPY_AND_ASSIGN(UpdateResponse); }; } // namespace component_updater #endif // CHROME_BROWSER_COMPONENT_UPDATER_UPDATE_RESPONSE_H_