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| 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 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 "content/browser/site_instance.h" | 5 #include "content/browser/site_instance.h" |
| 6 | 6 |
| 7 #include "content/browser/browsing_instance.h" | 7 #include "content/browser/browsing_instance.h" |
| 8 #include "content/browser/content_browser_client.h" | 8 #include "content/browser/content_browser_client.h" |
| 9 #include "content/browser/renderer_host/browser_render_process_host.h" | 9 #include "content/browser/renderer_host/browser_render_process_host.h" |
| 10 #include "content/browser/webui/web_ui_factory.h" | 10 #include "content/browser/webui/web_ui_factory.h" |
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| 64 // with no site set at this point, so it will default to TYPE_NORMAL. This | 64 // with no site set at this point, so it will default to TYPE_NORMAL. This |
| 65 // may not be correct, so we'll wind up potentially creating a process that | 65 // may not be correct, so we'll wind up potentially creating a process that |
| 66 // we then throw away, or worse sharing a process with the wrong process type. | 66 // we then throw away, or worse sharing a process with the wrong process type. |
| 67 // See crbug.com/43448. | 67 // See crbug.com/43448. |
| 68 | 68 |
| 69 // Create a new process if ours went away or was reused. | 69 // Create a new process if ours went away or was reused. |
| 70 if (!process_) { | 70 if (!process_) { |
| 71 // See if we should reuse an old process | 71 // See if we should reuse an old process |
| 72 if (RenderProcessHost::ShouldTryToUseExistingProcessHost()) | 72 if (RenderProcessHost::ShouldTryToUseExistingProcessHost()) |
| 73 process_ = RenderProcessHost::GetExistingProcessHost( | 73 process_ = RenderProcessHost::GetExistingProcessHost( |
| 74 browsing_instance_->profile(), GetRendererType()); | 74 browsing_instance_->browser_context(), GetRendererType()); |
| 75 | 75 |
| 76 // Otherwise (or if that fails), create a new one. | 76 // Otherwise (or if that fails), create a new one. |
| 77 if (!process_) { | 77 if (!process_) { |
| 78 if (render_process_host_factory_) { | 78 if (render_process_host_factory_) { |
| 79 process_ = render_process_host_factory_->CreateRenderProcessHost( | 79 process_ = render_process_host_factory_->CreateRenderProcessHost( |
| 80 browsing_instance_->profile()); | 80 browsing_instance_->browser_context()); |
| 81 } else { | 81 } else { |
| 82 process_ = new BrowserRenderProcessHost(browsing_instance_->profile()); | 82 process_ = |
| 83 new BrowserRenderProcessHost(browsing_instance_->browser_context()); |
| 83 } | 84 } |
| 84 } | 85 } |
| 85 | 86 |
| 86 // Make sure the process starts at the right max_page_id | 87 // Make sure the process starts at the right max_page_id |
| 87 process_->UpdateMaxPageID(max_page_id_); | 88 process_->UpdateMaxPageID(max_page_id_); |
| 88 } | 89 } |
| 89 DCHECK(process_); | 90 DCHECK(process_); |
| 90 | 91 |
| 91 return process_; | 92 return process_; |
| 92 } | 93 } |
| 93 | 94 |
| 94 void SiteInstance::SetSite(const GURL& url) { | 95 void SiteInstance::SetSite(const GURL& url) { |
| 95 // A SiteInstance's site should not change. | 96 // A SiteInstance's site should not change. |
| 96 // TODO(creis): When following links or script navigations, we can currently | 97 // TODO(creis): When following links or script navigations, we can currently |
| 97 // render pages from other sites in this SiteInstance. This will eventually | 98 // render pages from other sites in this SiteInstance. This will eventually |
| 98 // be fixed, but until then, we should still not set the site of a | 99 // be fixed, but until then, we should still not set the site of a |
| 99 // SiteInstance more than once. | 100 // SiteInstance more than once. |
| 100 DCHECK(!has_site_); | 101 DCHECK(!has_site_); |
| 101 | 102 |
| 102 // Remember that this SiteInstance has been used to load a URL, even if the | 103 // Remember that this SiteInstance has been used to load a URL, even if the |
| 103 // URL is invalid. | 104 // URL is invalid. |
| 104 has_site_ = true; | 105 has_site_ = true; |
| 105 site_ = GetSiteForURL(browsing_instance_->profile(), url); | 106 site_ = GetSiteForURL(browsing_instance_->browser_context(), url); |
| 106 | 107 |
| 107 // Now that we have a site, register it with the BrowsingInstance. This | 108 // Now that we have a site, register it with the BrowsingInstance. This |
| 108 // ensures that we won't create another SiteInstance for this site within | 109 // ensures that we won't create another SiteInstance for this site within |
| 109 // the same BrowsingInstance, because all same-site pages within a | 110 // the same BrowsingInstance, because all same-site pages within a |
| 110 // BrowsingInstance can script each other. | 111 // BrowsingInstance can script each other. |
| 111 browsing_instance_->RegisterSiteInstance(this); | 112 browsing_instance_->RegisterSiteInstance(this); |
| 112 } | 113 } |
| 113 | 114 |
| 114 bool SiteInstance::HasRelatedSiteInstance(const GURL& url) { | 115 bool SiteInstance::HasRelatedSiteInstance(const GURL& url) { |
| 115 return browsing_instance_->HasSiteInstance(url); | 116 return browsing_instance_->HasSiteInstance(url); |
| 116 } | 117 } |
| 117 | 118 |
| 118 SiteInstance* SiteInstance::GetRelatedSiteInstance(const GURL& url) { | 119 SiteInstance* SiteInstance::GetRelatedSiteInstance(const GURL& url) { |
| 119 return browsing_instance_->GetSiteInstanceForURL(url); | 120 return browsing_instance_->GetSiteInstanceForURL(url); |
| 120 } | 121 } |
| 121 | 122 |
| 122 bool SiteInstance::HasWrongProcessForURL(const GURL& url) const { | 123 bool SiteInstance::HasWrongProcessForURL(const GURL& url) const { |
| 123 // Having no process isn't a problem, since we'll assign it correctly. | 124 // Having no process isn't a problem, since we'll assign it correctly. |
| 124 if (!HasProcess()) | 125 if (!HasProcess()) |
| 125 return false; | 126 return false; |
| 126 | 127 |
| 127 // If the effective URL is an extension (e.g., for hosted apps) but the | 128 // If the effective URL is an extension (e.g., for hosted apps) but the |
| 128 // process is not (or vice versa), make sure we notice and fix it. | 129 // process is not (or vice versa), make sure we notice and fix it. |
| 129 GURL effective_url = GetEffectiveURL(browsing_instance_->profile(), url); | 130 GURL effective_url = GetEffectiveURL(browsing_instance_->browser_context(), |
| 131 url); |
| 130 return effective_url.SchemeIs(chrome::kExtensionScheme) != | 132 return effective_url.SchemeIs(chrome::kExtensionScheme) != |
| 131 process_->is_extension_process(); | 133 process_->is_extension_process(); |
| 132 } | 134 } |
| 133 | 135 |
| 134 /*static*/ | 136 /*static*/ |
| 135 SiteInstance* SiteInstance::CreateSiteInstance(Profile* profile) { | 137 SiteInstance* SiteInstance::CreateSiteInstance( |
| 136 return new SiteInstance(new BrowsingInstance(profile)); | 138 content::BrowserContext* browser_context) { |
| 139 return new SiteInstance(new BrowsingInstance(browser_context)); |
| 137 } | 140 } |
| 138 | 141 |
| 139 /*static*/ | 142 /*static*/ |
| 140 SiteInstance* SiteInstance::CreateSiteInstanceForURL(Profile* profile, | 143 SiteInstance* SiteInstance::CreateSiteInstanceForURL( |
| 141 const GURL& url) { | 144 content::BrowserContext* browser_context, const GURL& url) { |
| 142 // This BrowsingInstance may be deleted if it returns an existing | 145 // This BrowsingInstance may be deleted if it returns an existing |
| 143 // SiteInstance. | 146 // SiteInstance. |
| 144 scoped_refptr<BrowsingInstance> instance(new BrowsingInstance(profile)); | 147 scoped_refptr<BrowsingInstance> instance( |
| 148 new BrowsingInstance(browser_context)); |
| 145 return instance->GetSiteInstanceForURL(url); | 149 return instance->GetSiteInstanceForURL(url); |
| 146 } | 150 } |
| 147 | 151 |
| 148 /*static*/ | 152 /*static*/ |
| 149 GURL SiteInstance::GetSiteForURL(Profile* profile, const GURL& real_url) { | 153 GURL SiteInstance::GetSiteForURL(content::BrowserContext* browser_context, |
| 150 GURL url = GetEffectiveURL(profile, real_url); | 154 const GURL& real_url) { |
| 155 GURL url = GetEffectiveURL(browser_context, real_url); |
| 151 | 156 |
| 152 // URLs with no host should have an empty site. | 157 // URLs with no host should have an empty site. |
| 153 GURL site; | 158 GURL site; |
| 154 | 159 |
| 155 // TODO(creis): For many protocols, we should just treat the scheme as the | 160 // TODO(creis): For many protocols, we should just treat the scheme as the |
| 156 // site, since there is no host. e.g., file:, about:, chrome: | 161 // site, since there is no host. e.g., file:, about:, chrome: |
| 157 | 162 |
| 158 // If the url has a host, then determine the site. | 163 // If the url has a host, then determine the site. |
| 159 if (url.has_host()) { | 164 if (url.has_host()) { |
| 160 // Only keep the scheme and registered domain as given by GetOrigin. This | 165 // Only keep the scheme and registered domain as given by GetOrigin. This |
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| 174 if (!domain.empty()) { | 179 if (!domain.empty()) { |
| 175 GURL::Replacements rep; | 180 GURL::Replacements rep; |
| 176 rep.SetHostStr(domain); | 181 rep.SetHostStr(domain); |
| 177 site = site.ReplaceComponents(rep); | 182 site = site.ReplaceComponents(rep); |
| 178 } | 183 } |
| 179 } | 184 } |
| 180 return site; | 185 return site; |
| 181 } | 186 } |
| 182 | 187 |
| 183 /*static*/ | 188 /*static*/ |
| 184 bool SiteInstance::IsSameWebSite(Profile* profile, | 189 bool SiteInstance::IsSameWebSite(content::BrowserContext* browser_context, |
| 185 const GURL& real_url1, const GURL& real_url2) { | 190 const GURL& real_url1, const GURL& real_url2) { |
| 186 GURL url1 = GetEffectiveURL(profile, real_url1); | 191 GURL url1 = GetEffectiveURL(browser_context, real_url1); |
| 187 GURL url2 = GetEffectiveURL(profile, real_url2); | 192 GURL url2 = GetEffectiveURL(browser_context, real_url2); |
| 188 | 193 |
| 189 // We infer web site boundaries based on the registered domain name of the | 194 // We infer web site boundaries based on the registered domain name of the |
| 190 // top-level page and the scheme. We do not pay attention to the port if | 195 // top-level page and the scheme. We do not pay attention to the port if |
| 191 // one is present, because pages served from different ports can still | 196 // one is present, because pages served from different ports can still |
| 192 // access each other if they change their document.domain variable. | 197 // access each other if they change their document.domain variable. |
| 193 | 198 |
| 194 // Some special URLs will match the site instance of any other URL. This is | 199 // Some special URLs will match the site instance of any other URL. This is |
| 195 // done before checking both of them for validity, since we want these URLs | 200 // done before checking both of them for validity, since we want these URLs |
| 196 // to have the same site instance as even an invalid one. | 201 // to have the same site instance as even an invalid one. |
| 197 if (IsURLSameAsAnySiteInstance(url1) || IsURLSameAsAnySiteInstance(url2)) | 202 if (IsURLSameAsAnySiteInstance(url1) || IsURLSameAsAnySiteInstance(url2)) |
| 198 return true; | 203 return true; |
| 199 | 204 |
| 200 // If either URL is invalid, they aren't part of the same site. | 205 // If either URL is invalid, they aren't part of the same site. |
| 201 if (!url1.is_valid() || !url2.is_valid()) | 206 if (!url1.is_valid() || !url2.is_valid()) |
| 202 return false; | 207 return false; |
| 203 | 208 |
| 204 // If the schemes differ, they aren't part of the same site. | 209 // If the schemes differ, they aren't part of the same site. |
| 205 if (url1.scheme() != url2.scheme()) | 210 if (url1.scheme() != url2.scheme()) |
| 206 return false; | 211 return false; |
| 207 | 212 |
| 208 return net::RegistryControlledDomainService::SameDomainOrHost(url1, url2); | 213 return net::RegistryControlledDomainService::SameDomainOrHost(url1, url2); |
| 209 } | 214 } |
| 210 | 215 |
| 211 /*static*/ | 216 /*static*/ |
| 212 GURL SiteInstance::GetEffectiveURL(Profile* profile, const GURL& url) { | 217 GURL SiteInstance::GetEffectiveURL(content::BrowserContext* browser_context, |
| 213 return content::GetContentClient()->browser()->GetEffectiveURL(profile, url); | 218 const GURL& url) { |
| 219 return content::GetContentClient()->browser()-> |
| 220 GetEffectiveURL(browser_context, url); |
| 214 } | 221 } |
| 215 | 222 |
| 216 /*static*/ | 223 /*static*/ |
| 217 RenderProcessHost::Type SiteInstance::RendererTypeForURL(const GURL& url) { | 224 RenderProcessHost::Type SiteInstance::RendererTypeForURL(const GURL& url) { |
| 218 if (!url.is_valid()) | 225 if (!url.is_valid()) |
| 219 return RenderProcessHost::TYPE_NORMAL; | 226 return RenderProcessHost::TYPE_NORMAL; |
| 220 | 227 |
| 221 if (url.SchemeIs(chrome::kExtensionScheme)) | 228 if (url.SchemeIs(chrome::kExtensionScheme)) |
| 222 return RenderProcessHost::TYPE_EXTENSION; | 229 return RenderProcessHost::TYPE_EXTENSION; |
| 223 | 230 |
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| 238 } | 245 } |
| 239 | 246 |
| 240 void SiteInstance::Observe(int type, | 247 void SiteInstance::Observe(int type, |
| 241 const NotificationSource& source, | 248 const NotificationSource& source, |
| 242 const NotificationDetails& details) { | 249 const NotificationDetails& details) { |
| 243 DCHECK(type == content::NOTIFICATION_RENDERER_PROCESS_TERMINATED); | 250 DCHECK(type == content::NOTIFICATION_RENDERER_PROCESS_TERMINATED); |
| 244 RenderProcessHost* rph = Source<RenderProcessHost>(source).ptr(); | 251 RenderProcessHost* rph = Source<RenderProcessHost>(source).ptr(); |
| 245 if (rph == process_) | 252 if (rph == process_) |
| 246 process_ = NULL; | 253 process_ = NULL; |
| 247 } | 254 } |
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