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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 #include "webkit/glue/plugins/pepper_url_util.h" | |
6 | |
7 #include "googleurl/src/gurl.h" | |
8 #include "ppapi/c/dev/ppb_url_util_dev.h" | |
9 #include "third_party/WebKit/WebKit/chromium/public/WebDocument.h" | |
10 #include "third_party/WebKit/WebKit/chromium/public/WebElement.h" | |
11 #include "third_party/WebKit/WebKit/chromium/public/WebFrame.h" | |
12 #include "third_party/WebKit/WebKit/chromium/public/WebNode.h" | |
13 #include "third_party/WebKit/WebKit/chromium/public/WebPluginContainer.h" | |
14 #include "third_party/WebKit/WebKit/chromium/public/WebSecurityOrigin.h" | |
15 #include "third_party/WebKit/WebKit/chromium/public/WebURL.h" | |
16 #include "webkit/glue/plugins/pepper_common.h" | |
17 #include "webkit/glue/plugins/pepper_plugin_instance.h" | |
18 #include "webkit/glue/plugins/pepper_string.h" | |
19 #include "webkit/glue/plugins/pepper_var.h" | |
20 | |
21 namespace pepper { | |
22 | |
23 namespace { | |
24 | |
25 void ConvertComponent(const url_parse::Component& input, | |
26 PP_UrlComponent_Dev* output) { | |
27 output->begin = input.begin; | |
28 output->len = input.len; | |
29 } | |
30 | |
31 // Output can be NULL to specify "do nothing." This rule is followed by all the | |
32 // url util functions, so we implement it once here. | |
33 void ConvertComponents(const url_parse::Parsed& input, | |
34 PP_UrlComponents_Dev* output) { | |
35 if (!output) | |
36 return; | |
37 | |
38 ConvertComponent(input.scheme, &output->scheme); | |
39 ConvertComponent(input.username, &output->username); | |
40 ConvertComponent(input.password, &output->password); | |
41 ConvertComponent(input.host, &output->host); | |
42 ConvertComponent(input.port, &output->port); | |
43 ConvertComponent(input.path, &output->path); | |
44 ConvertComponent(input.query, &output->query); | |
45 ConvertComponent(input.ref, &output->ref); | |
46 } | |
47 | |
48 // Used for returning the given GURL from a PPAPI function, with an optional | |
49 // out param indicating the components. | |
50 PP_Var GenerateUrlReturn(PluginModule* module, const GURL& url, | |
51 PP_UrlComponents_Dev* components) { | |
52 if (!url.is_valid()) | |
53 return PP_MakeNull(); | |
54 ConvertComponents(url.parsed_for_possibly_invalid_spec(), components); | |
55 return StringVar::StringToPPVar(module, url.possibly_invalid_spec()); | |
56 } | |
57 | |
58 // Sets |*security_origin| to be the WebKit security origin associated with the | |
59 // document containing the given plugin instance. On success, returns true. If | |
60 // the instance is invalid, returns false and |*security_origin| will be | |
61 // unchanged. | |
62 bool SecurityOriginForInstance(PP_Instance instance_id, | |
63 WebKit::WebSecurityOrigin* security_origin) { | |
64 PluginInstance* instance = ResourceTracker::Get()->GetInstance(instance_id); | |
65 if (!instance) | |
66 return false; | |
67 | |
68 WebKit::WebElement plugin_element = instance->container()->element(); | |
69 WebKit::WebFrame* plugin_frame = plugin_element.document().frame(); | |
70 if (!plugin_frame) | |
71 return false; | |
72 | |
73 *security_origin = plugin_frame->securityOrigin(); | |
74 return true; | |
75 } | |
76 | |
77 PP_Var Canonicalize(PP_Var url, PP_UrlComponents_Dev* components) { | |
78 scoped_refptr<StringVar> url_string(StringVar::FromPPVar(url)); | |
79 if (!url_string) | |
80 return PP_MakeNull(); | |
81 return GenerateUrlReturn(url_string->module(), | |
82 GURL(url_string->value()), components); | |
83 } | |
84 | |
85 PP_Var ResolveRelativeToUrl(PP_Var base_url, | |
86 PP_Var relative, | |
87 PP_UrlComponents_Dev* components) { | |
88 scoped_refptr<StringVar> base_url_string(StringVar::FromPPVar(base_url)); | |
89 scoped_refptr<StringVar> relative_string(StringVar::FromPPVar(relative)); | |
90 if (!base_url_string || !relative_string) | |
91 return PP_MakeNull(); | |
92 | |
93 GURL base_gurl(base_url_string->value()); | |
94 if (!base_gurl.is_valid()) | |
95 return PP_MakeNull(); | |
96 return GenerateUrlReturn(base_url_string->module(), | |
97 base_gurl.Resolve(relative_string->value()), | |
98 components); | |
99 } | |
100 | |
101 PP_Var ResolveRelativeToDocument(PP_Instance instance_id, | |
102 PP_Var relative, | |
103 PP_UrlComponents_Dev* components) { | |
104 PluginInstance* instance = ResourceTracker::Get()->GetInstance(instance_id); | |
105 if (!instance) | |
106 return PP_MakeNull(); | |
107 | |
108 scoped_refptr<StringVar> relative_string(StringVar::FromPPVar(relative)); | |
109 if (!relative_string) | |
110 return PP_MakeNull(); | |
111 | |
112 WebKit::WebElement plugin_element = instance->container()->element(); | |
113 GURL document_url = plugin_element.document().baseURL(); | |
114 return GenerateUrlReturn(instance->module(), | |
115 document_url.Resolve(relative_string->value()), | |
116 components); | |
117 } | |
118 | |
119 PP_Bool IsSameSecurityOrigin(PP_Var url_a, PP_Var url_b) { | |
120 scoped_refptr<StringVar> url_a_string(StringVar::FromPPVar(url_a)); | |
121 scoped_refptr<StringVar> url_b_string(StringVar::FromPPVar(url_b)); | |
122 if (!url_a_string || !url_b_string) | |
123 return PP_FALSE; | |
124 | |
125 GURL gurl_a(url_a_string->value()); | |
126 GURL gurl_b(url_b_string->value()); | |
127 if (!gurl_a.is_valid() || !gurl_b.is_valid()) | |
128 return PP_FALSE; | |
129 | |
130 return BoolToPPBool(gurl_a.GetOrigin() == gurl_b.GetOrigin()); | |
131 } | |
132 | |
133 PP_Bool DocumentCanRequest(PP_Instance instance, PP_Var url) { | |
134 scoped_refptr<StringVar> url_string(StringVar::FromPPVar(url)); | |
135 if (!url_string) | |
136 return PP_FALSE; | |
137 | |
138 WebKit::WebSecurityOrigin security_origin; | |
139 if (!SecurityOriginForInstance(instance, &security_origin)) | |
140 return PP_FALSE; | |
141 | |
142 GURL gurl(url_string->value()); | |
143 if (!gurl.is_valid()) | |
144 return PP_FALSE; | |
145 | |
146 return BoolToPPBool(security_origin.canRequest(gurl)); | |
147 } | |
148 | |
149 PP_Bool DocumentCanAccessDocument(PP_Instance active, PP_Instance target) { | |
150 WebKit::WebSecurityOrigin active_origin; | |
151 if (!SecurityOriginForInstance(active, &active_origin)) | |
152 return PP_FALSE; | |
153 | |
154 WebKit::WebSecurityOrigin target_origin; | |
155 if (!SecurityOriginForInstance(active, &target_origin)) | |
156 return PP_FALSE; | |
157 | |
158 return BoolToPPBool(active_origin.canAccess(target_origin)); | |
159 } | |
160 | |
161 } // namespace | |
162 | |
163 const PPB_UrlUtil_Dev ppb_url_util = { | |
164 &Canonicalize, | |
165 &ResolveRelativeToUrl, | |
166 &ResolveRelativeToDocument, | |
167 &IsSameSecurityOrigin, | |
168 &DocumentCanRequest, | |
169 &DocumentCanAccessDocument | |
170 }; | |
171 | |
172 // static | |
173 const PPB_UrlUtil_Dev* UrlUtil::GetInterface() { | |
174 return &ppb_url_util; | |
175 } | |
176 | |
177 } // namespace pepper | |
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