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Issue 1338283003: Revert of Move fetching logic out of ApplicationManager, eliminate url mappings. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Created 5 years, 3 months ago
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1 // Copyright 2015 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 #include "mojo/fetcher/update_fetcher.h"
6
7 #include "base/bind.h"
8 #include "base/files/file_util.h"
9 #include "base/format_macros.h"
10 #include "base/message_loop/message_loop.h"
11 #include "base/strings/stringprintf.h"
12 #include "mojo/common/common_type_converters.h"
13 #include "mojo/common/data_pipe_utils.h"
14 #include "mojo/common/url_type_converters.h"
15
16 namespace mojo {
17 namespace fetcher {
18
19 namespace {
20 void IgnoreResult(bool result) {
21 }
22
23 } // namespace
24 UpdateFetcher::UpdateFetcher(const GURL& url,
25 updater::Updater* updater,
26 const FetchCallback& loader_callback)
27 : Fetcher(loader_callback), url_(url), weak_ptr_factory_(this) {
28 DVLOG(1) << "updating: " << url_;
29 updater->GetPathForApp(
30 url.spec(),
31 base::Bind(&UpdateFetcher::OnGetAppPath, weak_ptr_factory_.GetWeakPtr()));
32 }
33
34 UpdateFetcher::~UpdateFetcher() {
35 }
36
37 const GURL& UpdateFetcher::GetURL() const {
38 return url_;
39 }
40
41 GURL UpdateFetcher::GetRedirectURL() const {
42 return GURL::EmptyGURL();
43 }
44
45 GURL UpdateFetcher::GetRedirectReferer() const {
46 return GURL::EmptyGURL();
47 }
48 URLResponsePtr UpdateFetcher::AsURLResponse(base::TaskRunner* task_runner,
49 uint32_t skip) {
50 URLResponsePtr response(URLResponse::New());
51 response->url = String::From(url_);
52 DataPipe data_pipe;
53 response->body = data_pipe.consumer_handle.Pass();
54 int64 file_size;
55 if (base::GetFileSize(path_, &file_size)) {
56 response->headers = Array<HttpHeaderPtr>(1);
57 HttpHeaderPtr header = HttpHeader::New();
58 header->name = "Content-Length";
59 header->value = base::StringPrintf("%" PRId64, file_size);
60 response->headers[0] = header.Pass();
61 }
62 common::CopyFromFile(path_, data_pipe.producer_handle.Pass(), skip,
63 task_runner, base::Bind(&IgnoreResult));
64 return response.Pass();
65 }
66
67 void UpdateFetcher::AsPath(
68 base::TaskRunner* task_runner,
69 base::Callback<void(const base::FilePath&, bool)> callback) {
70 base::MessageLoop::current()->PostTask(
71 FROM_HERE, base::Bind(callback, path_, base::PathExists(path_)));
72 }
73
74 std::string UpdateFetcher::MimeType() {
75 return "";
76 }
77
78 bool UpdateFetcher::HasMojoMagic() {
79 std::string magic;
80 ReadFileToString(path_, &magic, strlen(kMojoMagic));
81 return magic == kMojoMagic;
82 }
83
84 bool UpdateFetcher::PeekFirstLine(std::string* line) {
85 std::string start_of_file;
86 ReadFileToString(path_, &start_of_file, kMaxShebangLength);
87 size_t return_position = start_of_file.find('\n');
88 if (return_position == std::string::npos)
89 return false;
90 *line = start_of_file.substr(0, return_position + 1);
91 return true;
92 }
93
94 void UpdateFetcher::OnGetAppPath(const mojo::String& path) {
95 path_ = base::FilePath::FromUTF8Unsafe(path);
96 loader_callback_.Run(make_scoped_ptr(this));
97 }
98
99 } // namespace fetcher
100 } // namespace mojo
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