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authorjanekptacijarabaci <janekptacijarabaci@seznam.cz>2018-04-22 20:28:18 +0200
committerjanekptacijarabaci <janekptacijarabaci@seznam.cz>2018-04-22 20:28:18 +0200
commit660d01438a6a29ebd43f592ac7d6df2dad6a6962 (patch)
treeeb5aa299dfa4db3fee25031dcf523559df6a4baf /docshell/base
parentf1e5578718ea8883438cfea06d3c55d25f5c0278 (diff)
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moebius#230: Consider blocking top level window data: URIs (part 3/3 without tests)
https://github.com/MoonchildProductions/moebius/pull/230
Diffstat (limited to 'docshell/base')
-rw-r--r--docshell/base/nsDocShell.cpp17
-rw-r--r--docshell/base/nsDocShell.h1
-rw-r--r--docshell/base/nsDocShellLoadInfo.cpp15
-rw-r--r--docshell/base/nsDocShellLoadInfo.h1
-rw-r--r--docshell/base/nsIDocShell.idl3
-rw-r--r--docshell/base/nsIDocShellLoadInfo.idl6
-rw-r--r--docshell/base/nsIWebNavigation.idl6
7 files changed, 48 insertions, 1 deletions
diff --git a/docshell/base/nsDocShell.cpp b/docshell/base/nsDocShell.cpp
index 596bd5d84..f3db4a3cb 100644
--- a/docshell/base/nsDocShell.cpp
+++ b/docshell/base/nsDocShell.cpp
@@ -1273,6 +1273,7 @@ nsDocShell::LoadURI(nsIURI* aURI,
nsCOMPtr<nsISHEntry> shEntry;
nsXPIDLString target;
nsAutoString srcdoc;
+ bool forceAllowDataURI = false;
nsCOMPtr<nsIDocShell> sourceDocShell;
nsCOMPtr<nsIURI> baseURI;
@@ -1308,6 +1309,7 @@ nsDocShell::LoadURI(nsIURI* aURI,
aLoadInfo->GetSrcdocData(srcdoc);
aLoadInfo->GetSourceDocShell(getter_AddRefs(sourceDocShell));
aLoadInfo->GetBaseURI(getter_AddRefs(baseURI));
+ aLoadInfo->GetForceAllowDataURI(&forceAllowDataURI);
}
#if defined(DEBUG)
@@ -1561,6 +1563,10 @@ nsDocShell::LoadURI(nsIURI* aURI,
flags |= INTERNAL_LOAD_FLAGS_IS_SRCDOC;
}
+ if (forceAllowDataURI) {
+ flags |= INTERNAL_LOAD_FLAGS_FORCE_ALLOW_DATA_URI;
+ }
+
return InternalLoad(aURI,
originalURI,
loadReplace,
@@ -4822,6 +4828,9 @@ nsDocShell::LoadURIWithOptions(const char16_t* aURI,
}
nsAutoPopupStatePusher statePusher(popupState);
+ bool forceAllowDataURI =
+ aLoadFlags & LOAD_FLAGS_FORCE_ALLOW_DATA_URI;
+
// Don't pass certain flags that aren't needed and end up confusing
// ConvertLoadTypeToDocShellLoadInfo. We do need to ensure that they are
// passed to LoadURI though, since it uses them.
@@ -4851,6 +4860,7 @@ nsDocShell::LoadURIWithOptions(const char16_t* aURI,
loadInfo->SetReferrerPolicy(aReferrerPolicy);
loadInfo->SetHeadersStream(aHeaderStream);
loadInfo->SetBaseURI(aBaseURI);
+ loadInfo->SetForceAllowDataURI(forceAllowDataURI);
if (fixupInfo) {
nsAutoString searchProvider, keyword;
@@ -10083,6 +10093,7 @@ nsDocShell::InternalLoad(nsIURI* aURI,
// principal to inherit is: it should be aTriggeringPrincipal.
loadInfo->SetPrincipalIsExplicit(true);
loadInfo->SetLoadType(ConvertLoadTypeToDocShellLoadInfo(LOAD_LINK));
+ loadInfo->SetForceAllowDataURI(aFlags & INTERNAL_LOAD_FLAGS_FORCE_ALLOW_DATA_URI);
rv = win->Open(NS_ConvertUTF8toUTF16(spec),
aWindowTarget, // window name
@@ -10728,7 +10739,9 @@ nsDocShell::InternalLoad(nsIURI* aURI,
nsINetworkPredictor::PREDICT_LOAD, this, nullptr);
nsCOMPtr<nsIRequest> req;
- rv = DoURILoad(aURI, aOriginalURI, aLoadReplace, loadFromExternal, aReferrer,
+ rv = DoURILoad(aURI, aOriginalURI, aLoadReplace, loadFromExternal,
+ (aFlags & INTERNAL_LOAD_FLAGS_FORCE_ALLOW_DATA_URI),
+ aReferrer,
!(aFlags & INTERNAL_LOAD_FLAGS_DONT_SEND_REFERRER),
aReferrerPolicy,
aTriggeringPrincipal, principalToInherit, aTypeHint,
@@ -10809,6 +10822,7 @@ nsDocShell::DoURILoad(nsIURI* aURI,
nsIURI* aOriginalURI,
bool aLoadReplace,
bool aLoadFromExternal,
+ bool aForceAllowDataURI,
nsIURI* aReferrerURI,
bool aSendReferrer,
uint32_t aReferrerPolicy,
@@ -10954,6 +10968,7 @@ nsDocShell::DoURILoad(nsIURI* aURI,
loadInfo->SetPrincipalToInherit(aPrincipalToInherit);
}
loadInfo->SetLoadTriggeredFromExternal(aLoadFromExternal);
+ loadInfo->SetForceAllowDataURI(aForceAllowDataURI);
// We have to do this in case our OriginAttributes are different from the
// OriginAttributes of the parent document. Or in case there isn't a
diff --git a/docshell/base/nsDocShell.h b/docshell/base/nsDocShell.h
index 549d7f540..63a4e3358 100644
--- a/docshell/base/nsDocShell.h
+++ b/docshell/base/nsDocShell.h
@@ -370,6 +370,7 @@ protected:
nsIURI* aOriginalURI,
bool aLoadReplace,
bool aLoadFromExternal,
+ bool aForceAllowDataURI,
nsIURI* aReferrer,
bool aSendReferrer,
uint32_t aReferrerPolicy,
diff --git a/docshell/base/nsDocShellLoadInfo.cpp b/docshell/base/nsDocShellLoadInfo.cpp
index 7d0034b04..b00e8e360 100644
--- a/docshell/base/nsDocShellLoadInfo.cpp
+++ b/docshell/base/nsDocShellLoadInfo.cpp
@@ -15,6 +15,7 @@ nsDocShellLoadInfo::nsDocShellLoadInfo()
: mLoadReplace(false)
, mInheritPrincipal(false)
, mPrincipalIsExplicit(false)
+ , mForceAllowDataURI(false)
, mSendReferrer(true)
, mReferrerPolicy(mozilla::net::RP_Default)
, mLoadType(nsIDocShellLoadInfo::loadNormal)
@@ -127,6 +128,20 @@ nsDocShellLoadInfo::SetPrincipalIsExplicit(bool aPrincipalIsExplicit)
}
NS_IMETHODIMP
+nsDocShellLoadInfo::GetForceAllowDataURI(bool* aForceAllowDataURI)
+{
+ *aForceAllowDataURI = mForceAllowDataURI;
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsDocShellLoadInfo::SetForceAllowDataURI(bool aForceAllowDataURI)
+{
+ mForceAllowDataURI = aForceAllowDataURI;
+ return NS_OK;
+}
+
+NS_IMETHODIMP
nsDocShellLoadInfo::GetLoadType(nsDocShellInfoLoadType* aLoadType)
{
NS_ENSURE_ARG_POINTER(aLoadType);
diff --git a/docshell/base/nsDocShellLoadInfo.h b/docshell/base/nsDocShellLoadInfo.h
index b7eaed832..f3ddcca1e 100644
--- a/docshell/base/nsDocShellLoadInfo.h
+++ b/docshell/base/nsDocShellLoadInfo.h
@@ -37,6 +37,7 @@ protected:
bool mLoadReplace;
bool mInheritPrincipal;
bool mPrincipalIsExplicit;
+ bool mForceAllowDataURI;
bool mSendReferrer;
nsDocShellInfoReferrerPolicy mReferrerPolicy;
nsDocShellInfoLoadType mLoadType;
diff --git a/docshell/base/nsIDocShell.idl b/docshell/base/nsIDocShell.idl
index 8261c45dc..e34e6adfd 100644
--- a/docshell/base/nsIDocShell.idl
+++ b/docshell/base/nsIDocShell.idl
@@ -116,6 +116,9 @@ interface nsIDocShell : nsIDocShellTreeItem
const long INTERNAL_LOAD_FLAGS_NO_OPENER = 0x100;
+ // Whether a top-level data URI navigation is allowed for that load
+ const long INTERNAL_LOAD_FLAGS_FORCE_ALLOW_DATA_URI = 0x200;
+
// NB: 0x80 is available.
/**
diff --git a/docshell/base/nsIDocShellLoadInfo.idl b/docshell/base/nsIDocShellLoadInfo.idl
index 113c0a4c1..8804f63a3 100644
--- a/docshell/base/nsIDocShellLoadInfo.idl
+++ b/docshell/base/nsIDocShellLoadInfo.idl
@@ -55,6 +55,12 @@ interface nsIDocShellLoadInfo : nsISupports
*/
attribute boolean principalIsExplicit;
+ /**
+ * If this attribute is true, then a top-level navigation
+ * to a data URI will be allowed.
+ */
+ attribute boolean forceAllowDataURI;
+
/* these are load type enums... */
const long loadNormal = 0; // Normal Load
const long loadNormalReplace = 1; // Normal Load but replaces current history slot
diff --git a/docshell/base/nsIWebNavigation.idl b/docshell/base/nsIWebNavigation.idl
index 042b1c547..241d0731c 100644
--- a/docshell/base/nsIWebNavigation.idl
+++ b/docshell/base/nsIWebNavigation.idl
@@ -206,6 +206,12 @@ interface nsIWebNavigation : nsISupports
const unsigned long LOAD_FLAGS_FIXUP_SCHEME_TYPOS = 0x200000;
/**
+ * Allows a top-level data: navigation to occur. E.g. view-image
+ * is an explicit user action which should be allowed.
+ */
+ const unsigned long LOAD_FLAGS_FORCE_ALLOW_DATA_URI = 0x400000;
+
+ /**
* Loads a given URI. This will give priority to loading the requested URI
* in the object implementing this interface. If it can't be loaded here
* however, the URI dispatcher will go through its normal process of content