tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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txURIUtils.cpp (3233B)

      1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
      2 /* This Source Code Form is subject to the terms of the Mozilla Public
      3 * License, v. 2.0. If a copy of the MPL was not distributed with this
      4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
      5 
      6 #include "txURIUtils.h"
      7 
      8 #include "mozilla/LoadInfo.h"
      9 #include "mozilla/dom/Document.h"
     10 #include "mozilla/dom/PolicyContainer.h"
     11 #include "mozilla/dom/nsCSPContext.h"
     12 #include "nsIPrincipal.h"
     13 #include "nsNetUtil.h"
     14 
     15 using mozilla::dom::Document;
     16 using mozilla::net::LoadInfo;
     17 
     18 /**
     19 * URIUtils
     20 * A set of utilities for handling URIs
     21 **/
     22 
     23 /**
     24 * Resolves the given href argument, using the given documentBase
     25 * if necessary.
     26 * The new resolved href will be appended to the given dest String
     27 **/
     28 void URIUtils::resolveHref(const nsAString& href, const nsAString& base,
     29                           nsAString& dest) {
     30  if (base.IsEmpty()) {
     31    dest.Append(href);
     32    return;
     33  }
     34  if (href.IsEmpty()) {
     35    dest.Append(base);
     36    return;
     37  }
     38  nsCOMPtr<nsIURI> pURL;
     39  nsAutoString resultHref;
     40  nsresult result = NS_NewURI(getter_AddRefs(pURL), base);
     41  if (NS_SUCCEEDED(result)) {
     42    NS_MakeAbsoluteURI(resultHref, href, pURL);
     43    dest.Append(resultHref);
     44  }
     45 }  //-- resolveHref
     46 
     47 // static
     48 void URIUtils::ResetWithSource(Document* aNewDoc, nsINode* aSourceNode) {
     49  nsCOMPtr<Document> sourceDoc = aSourceNode->OwnerDoc();
     50  nsIPrincipal* sourcePrincipal = sourceDoc->NodePrincipal();
     51  nsIPrincipal* sourcePartitionedPrincipal = sourceDoc->PartitionedPrincipal();
     52 
     53  // Copy the channel and loadgroup from the source document.
     54  nsCOMPtr<nsILoadGroup> loadGroup = sourceDoc->GetDocumentLoadGroup();
     55  nsCOMPtr<nsIChannel> channel = sourceDoc->GetChannel();
     56  if (!channel) {
     57    // Need to synthesize one
     58    nsresult rv = NS_NewChannel(
     59        getter_AddRefs(channel), sourceDoc->GetDocumentURI(), sourceDoc,
     60        nsILoadInfo::SEC_FORCE_INHERIT_PRINCIPAL, nsIContentPolicy::TYPE_OTHER,
     61        nullptr,  // aPerformanceStorage
     62        loadGroup,
     63        nullptr,  // aCallbacks
     64        nsIChannel::LOAD_BYPASS_SERVICE_WORKER);
     65 
     66    if (NS_FAILED(rv)) {
     67      return;
     68    }
     69  }
     70 
     71  aNewDoc->Reset(channel, loadGroup);
     72  aNewDoc->SetPrincipals(sourcePrincipal, sourcePartitionedPrincipal);
     73  aNewDoc->SetBaseURI(sourceDoc->GetDocBaseURI());
     74  aNewDoc->SetSandboxFlags(sourceDoc->GetSandboxFlags());
     75  aNewDoc->SetReferrerInfo(sourceDoc->GetReferrerInfo());
     76  aNewDoc->SetEmbedderPolicy(sourceDoc->GetEmbedderPolicy());
     77 
     78  // Inherit the policyContainer if there is one
     79  nsCOMPtr<nsIPolicyContainer> policyContainer =
     80      sourceDoc->GetPolicyContainer();
     81  if (policyContainer) {
     82    RefPtr<PolicyContainer> policyContainerToInherit = new PolicyContainer();
     83    policyContainerToInherit->InitFromOther(
     84        PolicyContainer::Cast(policyContainer.get()));
     85    aNewDoc->SetPolicyContainer(policyContainerToInherit);
     86  }
     87  // Copy charset
     88  aNewDoc->SetDocumentCharacterSetSource(
     89      sourceDoc->GetDocumentCharacterSetSource());
     90  aNewDoc->SetDocumentCharacterSet(sourceDoc->GetDocumentCharacterSet());
     91 
     92  // Inherit the CookieJarSettings from the source document.
     93  aNewDoc->SetCookieJarSettings(sourceDoc->CookieJarSettings());
     94 }