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
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
|
// Copyright (c) 2012 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 "chrome/common/extensions/web_intents_handler.h"
#include "base/lazy_instance.h"
#include "base/memory/scoped_ptr.h"
#include "base/string_number_conversions.h"
#include "base/utf_string_conversions.h"
#include "base/values.h"
#include "chrome/common/extensions/extension_manifest_constants.h"
#include "chrome/common/extensions/manifest.h"
#include "extensions/common/error_utils.h"
#include "webkit/glue/web_intent_service_data.h"
namespace extensions {
namespace keys = extension_manifest_keys;
namespace values = extension_manifest_values;
namespace errors = extension_manifest_errors;
namespace {
// Parses a single web intent action in the manifest.
bool LoadWebIntentsAction(const std::string& action_name,
const DictionaryValue& intent_service,
Extension* extension,
string16* error,
WebIntentServiceDataList* intents_services) {
DCHECK(error);
webkit_glue::WebIntentServiceData service;
std::string value;
service.action = UTF8ToUTF16(action_name);
const ListValue* mime_types = NULL;
if (!intent_service.HasKey(keys::kIntentType) ||
!intent_service.GetList(keys::kIntentType, &mime_types) ||
mime_types->GetSize() == 0) {
*error = ErrorUtils::FormatErrorMessageUTF16(
errors::kInvalidIntentType, action_name);
return false;
}
std::string href;
if (intent_service.HasKey(keys::kIntentPath)) {
if (!intent_service.GetString(keys::kIntentPath, &href)) {
*error = ASCIIToUTF16(errors::kInvalidIntentHref);
return false;
}
}
if (intent_service.HasKey(keys::kIntentHref)) {
if (!href.empty()) {
*error = ErrorUtils::FormatErrorMessageUTF16(
errors::kInvalidIntentHrefOldAndNewKey, action_name,
keys::kIntentPath, keys::kIntentHref);
return false;
}
if (!intent_service.GetString(keys::kIntentHref, &href)) {
*error = ASCIIToUTF16(errors::kInvalidIntentHref);
return false;
}
}
// For packaged/hosted apps, empty href implies the respective launch URLs.
if (href.empty()) {
if (extension->is_hosted_app()) {
href = extension->launch_web_url();
} else if (extension->is_legacy_packaged_app()) {
href = extension->launch_local_path();
}
}
// If there still is not an href, the manifest is malformed, unless this is a
// platform app in which case the href should not be present.
if (href.empty() && !extension->is_platform_app()) {
*error = ErrorUtils::FormatErrorMessageUTF16(
errors::kInvalidIntentHrefEmpty, action_name);
return false;
} else if (!href.empty() && extension->is_platform_app()) {
*error = ErrorUtils::FormatErrorMessageUTF16(
errors::kInvalidIntentHrefInPlatformApp, action_name);
return false;
}
GURL service_url(href);
if (extension->is_hosted_app()) {
// Hosted apps require an absolute URL for intents.
if (!service_url.is_valid() ||
!(extension->web_extent().MatchesURL(service_url))) {
*error = ErrorUtils::FormatErrorMessageUTF16(
errors::kInvalidIntentPageInHostedApp, action_name);
return false;
}
service.service_url = service_url;
} else if (extension->is_platform_app()) {
service.service_url = extension->GetBackgroundURL();
} else {
// We do not allow absolute intent URLs in non-hosted apps.
if (service_url.is_valid()) {
*error = ErrorUtils::FormatErrorMessageUTF16(
errors::kCannotAccessPage, href);
return false;
}
service.service_url = extension->GetResourceURL(href);
}
if (intent_service.HasKey(keys::kIntentTitle) &&
!intent_service.GetString(keys::kIntentTitle, &service.title)) {
*error = ASCIIToUTF16(errors::kInvalidIntentTitle);
return false;
}
if (intent_service.HasKey(keys::kIntentDisposition)) {
if (extension->is_platform_app()) {
*error = ErrorUtils::FormatErrorMessageUTF16(
errors::kInvalidIntentDispositionInPlatformApp, action_name);
return false;
}
if (!intent_service.GetString(keys::kIntentDisposition, &value) ||
(value != values::kIntentDispositionWindow &&
value != values::kIntentDispositionInline)) {
*error = ASCIIToUTF16(errors::kInvalidIntentDisposition);
return false;
}
if (value == values::kIntentDispositionInline) {
service.disposition =
webkit_glue::WebIntentServiceData::DISPOSITION_INLINE;
} else {
service.disposition =
webkit_glue::WebIntentServiceData::DISPOSITION_WINDOW;
}
}
for (size_t i = 0; i < mime_types->GetSize(); ++i) {
if (!mime_types->GetString(i, &service.type)) {
*error = ErrorUtils::FormatErrorMessageUTF16(
errors::kInvalidIntentTypeElement, action_name,
std::string(base::IntToString(i)));
return false;
}
intents_services->push_back(service);
}
return true;
}
} // namespace
WebIntentsInfo::WebIntentsInfo() {}
WebIntentsInfo::~WebIntentsInfo() {}
static base::LazyInstance<WebIntentServiceDataList> g_empty_intents_data =
LAZY_INSTANCE_INITIALIZER;
// static
const WebIntentServiceDataList& WebIntentsInfo::GetIntentsServices(
const Extension* extension) {
WebIntentsInfo* info = static_cast<WebIntentsInfo*>(
extension->GetManifestData(keys::kIntents));
return info ? info->intents_services_ : g_empty_intents_data.Get();
}
WebIntentsHandler::WebIntentsHandler() {
}
WebIntentsHandler::~WebIntentsHandler() {
}
bool WebIntentsHandler::Parse(Extension* extension, string16* error) {
scoped_ptr<WebIntentsInfo> info(new WebIntentsInfo);
const DictionaryValue* all_services = NULL;
if (!extension->manifest()->GetDictionary(keys::kIntents, &all_services)) {
*error = ASCIIToUTF16(errors::kInvalidIntents);
return false;
}
for (DictionaryValue::key_iterator iter(all_services->begin_keys());
iter != all_services->end_keys(); ++iter) {
// Any entry in the intents dictionary can either have a list of
// dictionaries, or just a single dictionary attached to that. Try
// lists first, fall back to single dictionary.
const ListValue* service_list = NULL;
const DictionaryValue* one_service = NULL;
if (all_services->GetListWithoutPathExpansion(*iter, &service_list)) {
for (size_t i = 0; i < service_list->GetSize(); ++i) {
if (!service_list->GetDictionary(i, &one_service)) {
*error = ASCIIToUTF16(errors::kInvalidIntent);
return false;
}
if (!LoadWebIntentsAction(*iter, *one_service, extension,
error, &info->intents_services_))
return false;
}
} else {
if (!all_services->GetDictionaryWithoutPathExpansion(*iter,
&one_service)) {
*error = ASCIIToUTF16(errors::kInvalidIntent);
return false;
}
if (!LoadWebIntentsAction(*iter, *one_service, extension,
error, &info->intents_services_))
return false;
}
}
extension->SetManifestData(keys::kIntents, info.release());
return true;
}
} // namespace extensions
|
