1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
|
// Copyright 2015 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.
#include "mojo/package_manager/package_manager_impl.h"
#include "mojo/fetcher/about_fetcher.h"
#include "mojo/fetcher/data_fetcher.h"
#include "mojo/fetcher/local_fetcher.h"
#include "mojo/fetcher/network_fetcher.h"
#include "mojo/fetcher/switches.h"
#include "mojo/fetcher/update_fetcher.h"
#include "mojo/shell/application_manager.h"
#include "mojo/shell/connect_util.h"
#include "mojo/shell/query_util.h"
#include "mojo/shell/switches.h"
#include "mojo/util/filename_util.h"
#include "url/gurl.h"
namespace mojo {
namespace package_manager {
PackageManagerImpl::PackageManagerImpl(
const base::FilePath& shell_file_root)
: application_manager_(nullptr),
disable_cache_(base::CommandLine::ForCurrentProcess()->HasSwitch(
switches::kDisableCache)) {
if (!shell_file_root.empty()) {
GURL mojo_root_file_url =
util::FilePathToFileURL(shell_file_root).Resolve(std::string());
url_resolver_.reset(new fetcher::URLResolver(mojo_root_file_url));
}
}
PackageManagerImpl::~PackageManagerImpl() {
}
void PackageManagerImpl::RegisterContentHandler(
const std::string& mime_type,
const GURL& content_handler_url) {
DCHECK(content_handler_url.is_valid())
<< "Content handler URL is invalid for mime type " << mime_type;
mime_type_to_url_[mime_type] = content_handler_url;
}
void PackageManagerImpl::RegisterApplicationPackageAlias(
const GURL& alias,
const GURL& content_handler_package,
const std::string& qualifier) {
application_package_alias_[alias] =
std::make_pair(content_handler_package, qualifier);
}
void PackageManagerImpl::SetApplicationManager(
shell::ApplicationManager* manager) {
application_manager_ = manager;
}
GURL PackageManagerImpl::ResolveURL(const GURL& url) {
return url_resolver_.get() ? url_resolver_->ResolveMojoURL(url) : url;
}
void PackageManagerImpl::FetchRequest(
URLRequestPtr request,
const shell::Fetcher::FetchCallback& loader_callback) {
GURL url(request->url);
if (url.SchemeIs(fetcher::AboutFetcher::kAboutScheme)) {
fetcher::AboutFetcher::Start(url, loader_callback);
return;
}
if (url.SchemeIs(url::kDataScheme)) {
fetcher::DataFetcher::Start(url, loader_callback);
return;
}
GURL resolved_url = ResolveURL(url);
if (resolved_url.SchemeIsFile()) {
// LocalFetcher uses the network service to infer MIME types from URLs.
// Skip this for mojo URLs to avoid recursively loading the network service.
if (!network_service_ && !url.SchemeIs("mojo")) {
shell::ConnectToService(application_manager_,
GURL("mojo:network_service"), &network_service_);
}
// Ownership of this object is transferred to |loader_callback|.
// TODO(beng): this is eff'n weird.
new fetcher::LocalFetcher(
network_service_.get(), resolved_url,
shell::GetBaseURLAndQuery(resolved_url, nullptr),
loader_callback);
return;
}
#if 0
// TODO(beng): figure out how this should be integrated now that mapped_url
// is toast.
// TODO(scottmg): to quote someone I know, if you liked this you shouldda put
// a test on it.
if (url.SchemeIs("mojo") &&
base::CommandLine::ForCurrentProcess()->HasSwitch(
switches::kUseUpdater)) {
shell::ConnectToService(application_manager_, GURL("mojo:updater"),
&updater_);
// Ownership of this object is transferred to |loader_callback|.
// TODO(beng): this is eff'n weird.
new fetcher::UpdateFetcher(url, updater_.get(), loader_callback);
return;
}
#endif
if (!url_loader_factory_) {
shell::ConnectToService(application_manager_, GURL("mojo:network_service"),
&url_loader_factory_);
}
// Ownership of this object is transferred to |loader_callback|.
// TODO(beng): this is eff'n weird.
new fetcher::NetworkFetcher(disable_cache_, request.Pass(),
url_loader_factory_.get(), loader_callback);
}
bool PackageManagerImpl::HandleWithContentHandler(shell::Fetcher* fetcher,
const GURL& unresolved_url,
base::TaskRunner* task_runner,
URLResponsePtr* new_response,
GURL* content_handler_url,
std::string* qualifier) {
// TODO(beng): it seems like some delegate should/would want to have a say in
// configuring the qualifier also.
bool enable_multi_process = base::CommandLine::ForCurrentProcess()->HasSwitch(
switches::kEnableMultiprocess);
// The response begins with a #!mojo <content-handler-url>.
std::string shebang;
if (fetcher->PeekContentHandler(&shebang, content_handler_url)) {
*new_response = fetcher->AsURLResponse(
task_runner, static_cast<int>(shebang.size()));
*qualifier = enable_multi_process ? (*new_response)->site.To<std::string>()
: std::string();
return true;
}
// The response MIME type matches a registered content handler.
MimeTypeToURLMap::iterator iter = mime_type_to_url_.find(fetcher->MimeType());
if (iter != mime_type_to_url_.end()) {
*new_response = fetcher->AsURLResponse(task_runner, 0);
*content_handler_url = iter->second;
*qualifier = enable_multi_process ? (*new_response)->site.To<std::string>()
: std::string();
return true;
}
// The response URL matches a registered content handler.
auto alias_iter = application_package_alias_.find(unresolved_url);
if (alias_iter != application_package_alias_.end()) {
// We replace the qualifier with the one our package alias requested.
*new_response = URLResponse::New();
(*new_response)->url = unresolved_url.spec();
// Why can't we use this in single process mode? Because of
// base::AtExitManager. If you link in ApplicationRunner into your code, and
// then we make initialize multiple copies of the application, we end up
// with multiple AtExitManagers and will check on the second one being
// created.
//
// Why doesn't that happen when running different apps? Because
// your_thing.mojo!base::AtExitManager and
// my_thing.mojo!base::AtExitManager are different symbols.
*qualifier = enable_multi_process ? alias_iter->second.second
: std::string();
*content_handler_url = alias_iter->second.first;
return true;
}
return false;
}
} // namespace package_manager
} // namespace mojo
|
