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1 // Copyright (c) 2012 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_BROWSER_EXTENSIONS_ZIP_FILE_CREATOR_H_ | |
6 #define CHROME_BROWSER_EXTENSIONS_ZIP_FILE_CREATOR_H_ | |
7 | |
8 #include <string> | |
9 | |
10 #include "base/file_path.h" | |
11 #include "base/memory/ref_counted.h" | |
12 #include "chrome/common/extensions/extension.h" | |
13 #include "content/public/browser/browser_thread.h" | |
14 #include "content/public/browser/utility_process_host_client.h" | |
15 | |
16 namespace extensions { | |
17 | |
18 // ZipFileCreator creates a ZIP file from a specified list of files and | |
19 // directories under a common parent directory. This is done in a sandboxed | |
20 // subprocess to protect the browser process from handling arbitrary input data | |
21 // from untrusted sources. | |
22 // | |
23 // Lifetime management: | |
24 // | |
25 // This class is ref-counted by each call it makes to itself on another thread, | |
26 // and by UtilityProcessHost. | |
27 // | |
28 // Additionally, we hold a reference to our own client so that it lives at least | |
tbarzic
2012/11/06 19:41:26
is this true?
It seems that the Delegate makes sur
hshi1
2012/11/06 20:43:01
Done.
| |
29 // long enough to receive the result of zip file creation. | |
30 // | |
31 // | |
32 // NOTE: This class should only be used on the file thread. | |
33 class ZipFileCreator : public content::UtilityProcessHostClient { | |
34 public: | |
35 class Delegate { | |
36 public: | |
37 virtual void OnZipSuccess() = 0; | |
tbarzic
2012/11/06 19:41:26
what do you think about having OnZipDone(bool succ
hshi1
2012/11/06 20:43:01
Done.
| |
38 virtual void OnZipFailure() = 0; | |
39 | |
40 protected: | |
41 virtual ~Delegate() {} | |
42 }; | |
43 | |
44 // Creates a zip file from the specified list of files and directories. | |
45 ZipFileCreator(Delegate* delegate, | |
46 const FilePath& dir_path, | |
47 const FilePath& dest_path, | |
48 const std::vector<FilePath>& file_paths); | |
49 | |
50 // Start creating the zip file. The client is called with the results. | |
51 void Start(); | |
52 | |
53 private: | |
54 class ProcessHostClient; | |
55 | |
56 friend class ProcessHostClient; | |
57 friend class ZipFileCreatorTest; | |
tbarzic
2012/11/06 19:41:26
I don't see new tests :)
hshi1
2012/11/12 20:12:12
After landing the separate CL for zip::ZipFiles an
| |
58 | |
59 virtual ~ZipFileCreator(); | |
60 | |
61 // Starts the utility process that creates the zip file. | |
62 void StartProcessOnIOThread(); | |
63 | |
64 // UtilityProcessHostClient | |
65 virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE; | |
66 virtual void OnProcessCrashed(int exit_code) OVERRIDE; | |
67 | |
68 // IPC message handlers. | |
69 void OnCreateZipFileSucceeded(); | |
70 void OnCreateZipFileFailed(); | |
71 | |
72 void ReportFailure(); | |
73 void ReportSuccess(); | |
74 | |
75 // Our delegate's thread. This is the thread we respond on. | |
76 content::BrowserThread::ID thread_identifier_; | |
77 | |
78 // Our delegate. | |
79 Delegate* delegate_; | |
80 | |
81 // The common parent directory for the input and output files. | |
82 FilePath dir_path_; | |
83 | |
84 // The output zip file. | |
85 FilePath dest_path_; | |
86 | |
87 // The list of files and directories. | |
88 std::vector<FilePath> file_paths_; | |
89 | |
90 // Whether we've received a response from the utility process yet. | |
91 bool got_response_; | |
92 }; | |
93 | |
94 } // namespace extensions | |
95 | |
96 #endif // CHROME_BROWSER_EXTENSIONS_ZIP_FILE_CREATOR_H_ | |
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