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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "chrome/renderer/safe_browsing/malware_dom_details.h" | 5 #include "chrome/renderer/safe_browsing/threat_dom_details.h" |
6 | 6 |
7 #include "base/compiler_specific.h" | 7 #include "base/compiler_specific.h" |
8 #include "chrome/common/chrome_constants.h" | 8 #include "chrome/common/chrome_constants.h" |
9 #include "chrome/common/safe_browsing/safebrowsing_messages.h" | 9 #include "chrome/common/safe_browsing/safebrowsing_messages.h" |
10 #include "content/public/renderer/render_view.h" | 10 #include "content/public/renderer/render_view.h" |
11 #include "third_party/WebKit/public/platform/WebString.h" | 11 #include "third_party/WebKit/public/platform/WebString.h" |
12 #include "third_party/WebKit/public/web/WebDocument.h" | 12 #include "third_party/WebKit/public/web/WebDocument.h" |
13 #include "third_party/WebKit/public/web/WebElement.h" | 13 #include "third_party/WebKit/public/web/WebElement.h" |
14 #include "third_party/WebKit/public/web/WebElementCollection.h" | 14 #include "third_party/WebKit/public/web/WebElementCollection.h" |
15 #include "third_party/WebKit/public/web/WebFrame.h" | 15 #include "third_party/WebKit/public/web/WebFrame.h" |
16 #include "third_party/WebKit/public/web/WebView.h" | 16 #include "third_party/WebKit/public/web/WebView.h" |
17 | 17 |
18 namespace safe_browsing { | 18 namespace safe_browsing { |
19 | 19 |
20 namespace { | 20 namespace { |
21 | 21 |
22 // Handler for the various HTML elements that we extract URLs from. | 22 // Handler for the various HTML elements that we extract URLs from. |
23 void HandleElement( | 23 void HandleElement( |
24 const blink::WebElement& element, | 24 const blink::WebElement& element, |
25 SafeBrowsingHostMsg_MalwareDOMDetails_Node* parent_node, | 25 SafeBrowsingHostMsg_ThreatDOMDetails_Node* parent_node, |
26 std::vector<SafeBrowsingHostMsg_MalwareDOMDetails_Node>* resources) { | 26 std::vector<SafeBrowsingHostMsg_ThreatDOMDetails_Node>* resources) { |
27 if (!element.hasAttribute("src")) | 27 if (!element.hasAttribute("src")) |
28 return; | 28 return; |
29 | 29 |
30 // Retrieve the link and resolve the link in case it's relative. | 30 // Retrieve the link and resolve the link in case it's relative. |
31 blink::WebURL full_url = element.document().completeURL( | 31 blink::WebURL full_url = |
32 element.getAttribute("src")); | 32 element.document().completeURL(element.getAttribute("src")); |
33 | 33 |
34 const GURL& child_url = GURL(full_url); | 34 const GURL& child_url = GURL(full_url); |
35 | 35 |
36 // Add to the parent node. | 36 // Add to the parent node. |
37 parent_node->children.push_back(child_url); | 37 parent_node->children.push_back(child_url); |
38 | 38 |
39 // Create the child node. | 39 // Create the child node. |
40 SafeBrowsingHostMsg_MalwareDOMDetails_Node child_node; | 40 SafeBrowsingHostMsg_ThreatDOMDetails_Node child_node; |
41 child_node.url = child_url; | 41 child_node.url = child_url; |
42 child_node.tag_name = element.tagName().utf8(); | 42 child_node.tag_name = element.tagName().utf8(); |
43 child_node.parent = parent_node->url; | 43 child_node.parent = parent_node->url; |
44 resources->push_back(child_node); | 44 resources->push_back(child_node); |
45 } | 45 } |
46 | 46 |
47 } // namespace | 47 } // namespace |
48 | 48 |
49 // An upper limit on the number of nodes we collect. | 49 // An upper limit on the number of nodes we collect. |
50 uint32 MalwareDOMDetails::kMaxNodes = 500; | 50 uint32 ThreatDOMDetails::kMaxNodes = 500; |
51 | 51 |
52 // static | 52 // static |
53 MalwareDOMDetails* MalwareDOMDetails::Create(content::RenderView* render_view) { | 53 ThreatDOMDetails* ThreatDOMDetails::Create(content::RenderView* render_view) { |
54 // Private constructor and public static Create() method to facilitate | 54 // Private constructor and public static Create() method to facilitate |
55 // stubbing out this class for binary-size reduction purposes. | 55 // stubbing out this class for binary-size reduction purposes. |
56 return new MalwareDOMDetails(render_view); | 56 return new ThreatDOMDetails(render_view); |
57 } | 57 } |
58 | 58 |
59 MalwareDOMDetails::MalwareDOMDetails(content::RenderView* render_view) | 59 ThreatDOMDetails::ThreatDOMDetails(content::RenderView* render_view) |
60 : content::RenderViewObserver(render_view) { | 60 : content::RenderViewObserver(render_view) {} |
61 } | |
62 | 61 |
63 MalwareDOMDetails::~MalwareDOMDetails() { | 62 ThreatDOMDetails::~ThreatDOMDetails() {} |
64 } | |
65 | 63 |
66 bool MalwareDOMDetails::OnMessageReceived(const IPC::Message& message) { | 64 bool ThreatDOMDetails::OnMessageReceived(const IPC::Message& message) { |
67 bool handled = true; | 65 bool handled = true; |
68 IPC_BEGIN_MESSAGE_MAP(MalwareDOMDetails, message) | 66 IPC_BEGIN_MESSAGE_MAP(ThreatDOMDetails, message) |
69 IPC_MESSAGE_HANDLER(SafeBrowsingMsg_GetMalwareDOMDetails, | 67 IPC_MESSAGE_HANDLER(SafeBrowsingMsg_GetThreatDOMDetails, |
70 OnGetMalwareDOMDetails) | 68 OnGetThreatDOMDetails) |
71 IPC_MESSAGE_UNHANDLED(handled = false) | 69 IPC_MESSAGE_UNHANDLED(handled = false) |
72 IPC_END_MESSAGE_MAP() | 70 IPC_END_MESSAGE_MAP() |
73 return handled; | 71 return handled; |
74 } | 72 } |
75 | 73 |
76 void MalwareDOMDetails::OnGetMalwareDOMDetails() { | 74 void ThreatDOMDetails::OnGetThreatDOMDetails() { |
77 std::vector<SafeBrowsingHostMsg_MalwareDOMDetails_Node> resources; | 75 std::vector<SafeBrowsingHostMsg_ThreatDOMDetails_Node> resources; |
78 ExtractResources(&resources); | 76 ExtractResources(&resources); |
79 // Notify the browser. | 77 // Notify the browser. |
80 render_view()->Send(new SafeBrowsingHostMsg_MalwareDOMDetails( | 78 render_view()->Send(new SafeBrowsingHostMsg_ThreatDOMDetails( |
81 render_view()->GetRoutingID(), resources)); | 79 render_view()->GetRoutingID(), resources)); |
82 } | 80 } |
83 | 81 |
84 void MalwareDOMDetails::ExtractResources( | 82 void ThreatDOMDetails::ExtractResources( |
85 std::vector<SafeBrowsingHostMsg_MalwareDOMDetails_Node>* resources) { | 83 std::vector<SafeBrowsingHostMsg_ThreatDOMDetails_Node>* resources) { |
86 blink::WebView* web_view = render_view()->GetWebView(); | 84 blink::WebView* web_view = render_view()->GetWebView(); |
87 if (!web_view) { | 85 if (!web_view) { |
88 NOTREACHED(); | 86 NOTREACHED(); |
89 return; | 87 return; |
90 } | 88 } |
91 blink::WebFrame* frame = web_view->mainFrame(); | 89 blink::WebFrame* frame = web_view->mainFrame(); |
92 for (; frame; frame = frame->traverseNext(false /* don't wrap */)) { | 90 for (; frame; frame = frame->traverseNext(false /* don't wrap */)) { |
93 DCHECK(frame); | 91 DCHECK(frame); |
94 SafeBrowsingHostMsg_MalwareDOMDetails_Node details_node; | 92 SafeBrowsingHostMsg_ThreatDOMDetails_Node details_node; |
95 blink::WebDocument document = frame->document(); | 93 blink::WebDocument document = frame->document(); |
96 details_node.url = GURL(document.url()); | 94 details_node.url = GURL(document.url()); |
97 if (document.isNull()) { | 95 if (document.isNull()) { |
98 // Nothing in this frame, move on to the next one. | 96 // Nothing in this frame, move on to the next one. |
99 resources->push_back(details_node); | 97 resources->push_back(details_node); |
100 continue; | 98 continue; |
101 } | 99 } |
102 | 100 |
103 blink::WebElementCollection elements = document.all(); | 101 blink::WebElementCollection elements = document.all(); |
104 blink::WebElement element = elements.firstItem(); | 102 blink::WebElement element = elements.firstItem(); |
105 for (; !element.isNull(); element = elements.nextItem()) { | 103 for (; !element.isNull(); element = elements.nextItem()) { |
106 if (element.hasHTMLTagName("iframe") || element.hasHTMLTagName("frame") || | 104 if (element.hasHTMLTagName("iframe") || element.hasHTMLTagName("frame") || |
107 element.hasHTMLTagName("embed") || element.hasHTMLTagName("script")) { | 105 element.hasHTMLTagName("embed") || element.hasHTMLTagName("script")) { |
108 HandleElement(element, &details_node, resources); | 106 HandleElement(element, &details_node, resources); |
109 if (resources->size() >= kMaxNodes) { | 107 if (resources->size() >= kMaxNodes) { |
110 // We have reached kMaxNodes, exit early. | 108 // We have reached kMaxNodes, exit early. |
111 resources->push_back(details_node); | 109 resources->push_back(details_node); |
112 return; | 110 return; |
113 } | 111 } |
114 } | 112 } |
115 } | 113 } |
116 | 114 |
117 resources->push_back(details_node); | 115 resources->push_back(details_node); |
118 } | 116 } |
119 } | 117 } |
120 | 118 |
121 } // namespace safe_browsing | 119 } // namespace safe_browsing |
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