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| 1 // Copyright (c) 2010 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #ifndef CHROME_COMMON_EXTENSIONS_UPDATE_MANIFEST_H_ | |
| 6 #define CHROME_COMMON_EXTENSIONS_UPDATE_MANIFEST_H_ | |
| 7 | |
| 8 #include <string> | |
| 9 #include <vector> | |
| 10 | |
| 11 #include "url/gurl.h" | |
| 12 | |
| 13 class UpdateManifest { | |
| 14 public: | |
| 15 | |
| 16 // An update manifest looks like this: | |
| 17 // | |
| 18 // <?xml version="1.0" encoding="UTF-8"?> | |
| 19 // <gupdate xmlns="http://www.google.com/update2/response" protocol="2.0"> | |
| 20 // <daystart elapsed_seconds="300" /> | |
| 21 // <app appid="12345" status="ok"> | |
| 22 // <updatecheck codebase="http://example.com/extension_1.2.3.4.crx" | |
| 23 // hash="12345" size="9854" status="ok" version="1.2.3.4" | |
| 24 // prodversionmin="2.0.143.0" | |
| 25 // codebasediff="http://example.com/diff_1.2.3.4.crx" | |
| 26 // hashdiff="123" sizediff="101" | |
| 27 // fp="1.123" /> | |
| 28 // </app> | |
| 29 // </gupdate> | |
| 30 // | |
| 31 // The <daystart> tag contains a "elapsed_seconds" attribute which refers to | |
| 32 // the server's notion of how many seconds it has been since midnight. | |
| 33 // | |
| 34 // The "appid" attribute of the <app> tag refers to the unique id of the | |
| 35 // extension. The "codebase" attribute of the <updatecheck> tag is the url to | |
| 36 // fetch the updated crx file, and the "prodversionmin" attribute refers to | |
| 37 // the minimum version of the chrome browser that the update applies to. | |
| 38 | |
| 39 // The diff data members correspond to the differential update package, if | |
| 40 // a differential update is specified in the response. | |
| 41 | |
| 42 // The result of parsing one <app> tag in an xml update check manifest. | |
| 43 struct Result { | |
| 44 Result(); | |
| 45 ~Result(); | |
| 46 | |
| 47 std::string extension_id; | |
| 48 std::string version; | |
| 49 std::string browser_min_version; | |
| 50 | |
| 51 // Attributes for the full update. | |
| 52 GURL crx_url; | |
| 53 std::string package_hash; | |
| 54 int size; | |
| 55 std::string package_fingerprint; | |
| 56 | |
| 57 // Attributes for the differential update. | |
| 58 GURL diff_crx_url; | |
| 59 std::string diff_package_hash; | |
| 60 int diff_size; | |
| 61 }; | |
| 62 | |
| 63 static const int kNoDaystart = -1; | |
| 64 struct Results { | |
| 65 Results(); | |
| 66 ~Results(); | |
| 67 | |
| 68 std::vector<Result> list; | |
| 69 // This will be >= 0, or kNoDaystart if the <daystart> tag was not present. | |
| 70 int daystart_elapsed_seconds; | |
| 71 }; | |
| 72 | |
| 73 UpdateManifest(); | |
| 74 ~UpdateManifest(); | |
| 75 | |
| 76 // Parses an update manifest xml string into Result data. Returns a bool | |
| 77 // indicating success or failure. On success, the results are available by | |
| 78 // calling results(). The details for any failures are available by calling | |
| 79 // errors(). | |
| 80 bool Parse(const std::string& manifest_xml); | |
| 81 | |
| 82 const Results& results() { return results_; } | |
| 83 const std::string& errors() { return errors_; } | |
| 84 | |
| 85 private: | |
| 86 Results results_; | |
| 87 std::string errors_; | |
| 88 | |
| 89 // Helper function that adds parse error details to our errors_ string. | |
| 90 void ParseError(const char* details, ...); | |
| 91 | |
| 92 DISALLOW_COPY_AND_ASSIGN(UpdateManifest); | |
| 93 }; | |
| 94 | |
| 95 #endif // CHROME_COMMON_EXTENSIONS_UPDATE_MANIFEST_H_ | |
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