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-rw-r--r--docshell/base/nsDocShell.cpp138
1 files changed, 86 insertions, 52 deletions
diff --git a/docshell/base/nsDocShell.cpp b/docshell/base/nsDocShell.cpp
index d67780317..d4d86b83a 100644
--- a/docshell/base/nsDocShell.cpp
+++ b/docshell/base/nsDocShell.cpp
@@ -11843,35 +11843,45 @@ nsDocShell::AddState(JS::Handle<JS::Value> aData, const nsAString& aTitle,
{
// Implements History.pushState and History.replaceState
- // Here's what we do, roughly in the order specified by HTML5:
- // 1. Serialize aData using structured clone.
- // 2. If the third argument is present,
- // a. Resolve the url, relative to the first script's base URL
- // b. If (a) fails, raise a SECURITY_ERR
- // c. Compare the resulting absolute URL to the document's address. If
- // any part of the URLs difer other than the <path>, <query>, and
- // <fragment> components, raise a SECURITY_ERR and abort.
- // 3. If !aReplace:
+ // Here's what we do, roughly in the order specified by HTML5. The specific
+ // steps we are executing are at
+ // <https://html.spec.whatwg.org/multipage/history.html#dom-history-pushstate>
+ // and
+ // <https://html.spec.whatwg.org/multipage/history.html#url-and-history-update-steps>.
+ // This function basically implements #dom-history-pushstate and
+ // UpdateURLAndHistory implements #url-and-history-update-steps.
+ //
+ // A. Serialize aData using structured clone. This is #dom-history-pushstate
+ // step 5.
+ // B. If the third argument is present, #dom-history-pushstate step 7.
+ // 7.1. Resolve the url, relative to our document.
+ // 7.2. If (a) fails, raise a SECURITY_ERR
+ // 7.4. Compare the resulting absolute URL to the document's address. If
+ // any part of the URLs difer other than the <path>, <query>, and
+ // <fragment> components, raise a SECURITY_ERR and abort.
+ // C. If !aReplace, #url-and-history-update-steps steps 2.1-2.3:
// Remove from the session history all entries after the current entry,
// as we would after a regular navigation, and save the current
// entry's scroll position (bug 590573).
- // 4. As apropriate, either add a state object entry to the session history
- // after the current entry with the following properties, or modify the
- // current session history entry to set
+ // D. #url-and-history-update-steps step 2.4 or step 3. As apropriate,
+ // either add a state object entry to the session history after the
+ // current entry with the following properties, or modify the current
+ // session history entry to set
// a. cloned data as the state object,
// b. if the third argument was present, the absolute URL found in
// step 2
// Also clear the new history entry's POST data (see bug 580069).
- // 5. If aReplace is false (i.e. we're doing a pushState instead of a
+ // E. If aReplace is false (i.e. we're doing a pushState instead of a
// replaceState), notify bfcache that we've navigated to a new page.
- // 6. If the third argument is present, set the document's current address
- // to the absolute URL found in step 2.
+ // F. If the third argument is present, set the document's current address
+ // to the absolute URL found in step B. This is
+ // #url-and-history-update-steps step 4.
//
// It's important that this function not run arbitrary scripts after step 1
// and before completing step 5. For example, if a script called
// history.back() before we completed step 5, bfcache might destroy an
// active content viewer. Since EvictOutOfRangeContentViewers at the end of
- // step 5 might run script, we can't just put a script blocker around the
+ // step E might run script, we can't just put a script blocker around the
// critical section.
//
// Note that we completely ignore the aTitle parameter.
@@ -11891,7 +11901,9 @@ nsDocShell::AddState(JS::Handle<JS::Value> aData, const nsAString& aTitle,
nsCOMPtr<nsIDocument> document = GetDocument();
NS_ENSURE_TRUE(document, NS_ERROR_FAILURE);
- // Step 1: Serialize aData using structured clone.
+ // Step A: Serialize aData using structured clone.
+ // https://html.spec.whatwg.org/multipage/history.html#dom-history-pushstate
+ // step 5.
nsCOMPtr<nsIStructuredCloneContainer> scContainer;
// scContainer->Init might cause arbitrary JS to run, and this code might
@@ -11934,7 +11946,9 @@ nsDocShell::AddState(JS::Handle<JS::Value> aData, const nsAString& aTitle,
NS_ENSURE_TRUE(scSize <= (uint32_t)maxStateObjSize, NS_ERROR_ILLEGAL_VALUE);
- // Step 2: Resolve aURL
+ // Step B: Resolve aURL.
+ // https://html.spec.whatwg.org/multipage/history.html#dom-history-pushstate
+ // step 7.
bool equalURIs = true;
nsCOMPtr<nsIURI> currentURI;
if (sURIFixup && mCurrentURI) {
@@ -11943,12 +11957,11 @@ nsDocShell::AddState(JS::Handle<JS::Value> aData, const nsAString& aTitle,
} else {
currentURI = mCurrentURI;
}
- nsCOMPtr<nsIURI> oldURI = currentURI;
nsCOMPtr<nsIURI> newURI;
if (aURL.Length() == 0) {
newURI = currentURI;
} else {
- // 2a: Resolve aURL relative to mURI
+ // 7.1: Resolve aURL relative to mURI
nsIURI* docBaseURI = document->GetDocBaseURI();
if (!docBaseURI) {
@@ -11964,12 +11977,12 @@ nsDocShell::AddState(JS::Handle<JS::Value> aData, const nsAString& aTitle,
rv = NS_NewURI(getter_AddRefs(newURI), aURL, charset.get(), docBaseURI);
- // 2b: If 2a fails, raise a SECURITY_ERR
+ // 7.2: If 7.1 fails, raise a SECURITY_ERR
if (NS_FAILED(rv)) {
return NS_ERROR_DOM_SECURITY_ERR;
}
- // 2c: Same-origin check.
+ // 7.4 and 7.5: Same-origin check.
if (!nsContentUtils::URIIsLocalFile(newURI)) {
// In addition to checking that the security manager says that
// the new URI has the same origin as our current URI, we also
@@ -12020,10 +12033,27 @@ nsDocShell::AddState(JS::Handle<JS::Value> aData, const nsAString& aTitle,
} // end of same-origin check
- // Step 3: Create a new entry in the session history. This will erase
- // all SHEntries after the new entry and make this entry the current
- // one. This operation may modify mOSHE, which we need later, so we
- // keep a reference here.
+ // Step 8: call "URL and history update steps"
+ rv = UpdateURLAndHistory(document, newURI, scContainer, aTitle, aReplace,
+ currentURI, equalURIs);
+ NS_ENSURE_SUCCESS(rv, rv);
+
+ return NS_OK;
+}
+
+nsresult
+nsDocShell::UpdateURLAndHistory(nsIDocument* aDocument, nsIURI* aNewURI,
+ nsIStructuredCloneContainer* aData,
+ const nsAString& aTitle, bool aReplace,
+ nsIURI* aCurrentURI, bool aEqualURIs)
+{
+ // Implements
+ // https://html.spec.whatwg.org/multipage/history.html#url-and-history-update-steps
+
+ // Step 2, if aReplace is false: Create a new entry in the session
+ // history. This will erase all SHEntries after the new entry and make this
+ // entry the current one. This operation may modify mOSHE, which we need
+ // later, so we keep a reference here.
NS_ENSURE_TRUE(mOSHE, NS_ERROR_FAILURE);
nsCOMPtr<nsISHEntry> oldOSHE = mOSHE;
@@ -12031,7 +12061,8 @@ nsDocShell::AddState(JS::Handle<JS::Value> aData, const nsAString& aTitle,
nsCOMPtr<nsISHEntry> newSHEntry;
if (!aReplace) {
- // Save the current scroll position (bug 590573).
+ // Step 2.
+ // Save the current scroll position (bug 590573). Step 2.3.
nscoord cx = 0, cy = 0;
GetCurScrollPos(ScrollOrientation_X, &cx);
GetCurScrollPos(ScrollOrientation_Y, &cy);
@@ -12042,10 +12073,10 @@ nsDocShell::AddState(JS::Handle<JS::Value> aData, const nsAString& aTitle,
// Since we're not changing which page we have loaded, pass
// true for aCloneChildren.
- rv = AddToSessionHistory(newURI, nullptr,
- document->NodePrincipal(), // triggeringPrincipal
- nullptr, true,
- getter_AddRefs(newSHEntry));
+ nsresult rv = AddToSessionHistory(aNewURI, nullptr,
+ aDocument->NodePrincipal(), // triggeringPrincipal
+ nullptr, true,
+ getter_AddRefs(newSHEntry));
NS_ENSURE_SUCCESS(rv, rv);
NS_ENSURE_TRUE(newSHEntry, NS_ERROR_FAILURE);
@@ -12068,15 +12099,16 @@ nsDocShell::AddState(JS::Handle<JS::Value> aData, const nsAString& aTitle,
mOSHE = newSHEntry;
} else {
+ // Step 3.
newSHEntry = mOSHE;
- newSHEntry->SetURI(newURI);
- newSHEntry->SetOriginalURI(newURI);
+ newSHEntry->SetURI(aNewURI);
+ newSHEntry->SetOriginalURI(aNewURI);
newSHEntry->SetLoadReplace(false);
}
- // Step 4: Modify new/original session history entry and clear its POST
- // data, if there is any.
- newSHEntry->SetStateData(scContainer);
+ // Step 2.4 and 3: Modify new/original session history entry and clear its
+ // POST data, if there is any.
+ newSHEntry->SetStateData(aData);
newSHEntry->SetPostData(nullptr);
// If this push/replaceState changed the document's current URI and the new
@@ -12084,22 +12116,24 @@ nsDocShell::AddState(JS::Handle<JS::Value> aData, const nsAString& aTitle,
// SHEntry's URI was modified in this way by a push/replaceState call
// set URIWasModified to true for the current SHEntry (bug 669671).
bool sameExceptHashes = true, oldURIWasModified = false;
- newURI->EqualsExceptRef(currentURI, &sameExceptHashes);
+ aNewURI->EqualsExceptRef(aCurrentURI, &sameExceptHashes);
oldOSHE->GetURIWasModified(&oldURIWasModified);
newSHEntry->SetURIWasModified(!sameExceptHashes || oldURIWasModified);
- // Step 5: If aReplace is false, indicating that we're doing a pushState
- // rather than a replaceState, notify bfcache that we've added a page to
- // the history so it can evict content viewers if appropriate. Otherwise
- // call ReplaceEntry so that we notify nsIHistoryListeners that an entry
- // was replaced.
+ // Step E as described at the top of AddState: If aReplace is false,
+ // indicating that we're doing a pushState rather than a replaceState, notify
+ // bfcache that we've added a page to the history so it can evict content
+ // viewers if appropriate. Otherwise call ReplaceEntry so that we notify
+ // nsIHistoryListeners that an entry was replaced.
nsCOMPtr<nsISHistory> rootSH;
GetRootSessionHistory(getter_AddRefs(rootSH));
NS_ENSURE_TRUE(rootSH, NS_ERROR_UNEXPECTED);
nsCOMPtr<nsISHistoryInternal> internalSH = do_QueryInterface(rootSH);
NS_ENSURE_TRUE(internalSH, NS_ERROR_UNEXPECTED);
-
+
+ nsresult rv;
+
if (!aReplace) {
int32_t curIndex = -1;
rv = rootSH->GetIndex(&curIndex);
@@ -12116,7 +12150,7 @@ nsDocShell::AddState(JS::Handle<JS::Value> aData, const nsAString& aTitle,
}
}
- // Step 6: If the document's URI changed, update document's URI and update
+ // Step 4: If the document's URI changed, update document's URI and update
// global history.
//
// We need to call FireOnLocationChange so that the browser's address bar
@@ -12129,35 +12163,35 @@ nsDocShell::AddState(JS::Handle<JS::Value> aData, const nsAString& aTitle,
// notification is allowed only when we know docshell is not loading a new
// document and it requires LOCATION_CHANGE_SAME_DOCUMENT flag. Otherwise,
// FireOnLocationChange(...) breaks security UI.
- if (!equalURIs) {
- document->SetDocumentURI(newURI);
+ if (!aEqualURIs) {
+ aDocument->SetDocumentURI(aNewURI);
// We can't trust SetCurrentURI to do always fire locationchange events
// when we expect it to, so we hack around that by doing it ourselves...
- SetCurrentURI(newURI, nullptr, false, LOCATION_CHANGE_SAME_DOCUMENT);
+ SetCurrentURI(aNewURI, nullptr, false, LOCATION_CHANGE_SAME_DOCUMENT);
if (mLoadType != LOAD_ERROR_PAGE) {
FireDummyOnLocationChange();
}
- AddURIVisit(newURI, oldURI, oldURI, 0);
+ AddURIVisit(aNewURI, aCurrentURI, aCurrentURI, 0);
// AddURIVisit doesn't set the title for the new URI in global history,
// so do that here.
if (mUseGlobalHistory && !UsePrivateBrowsing()) {
nsCOMPtr<IHistory> history = services::GetHistoryService();
if (history) {
- history->SetURITitle(newURI, mTitle);
+ history->SetURITitle(aNewURI, mTitle);
} else if (mGlobalHistory) {
- mGlobalHistory->SetPageTitle(newURI, mTitle);
+ mGlobalHistory->SetPageTitle(aNewURI, mTitle);
}
}
// Inform the favicon service that our old favicon applies to this new
// URI.
- CopyFavicon(oldURI, newURI, document->NodePrincipal(), UsePrivateBrowsing());
+ CopyFavicon(aCurrentURI, aNewURI, aDocument->NodePrincipal(), UsePrivateBrowsing());
} else {
FireDummyOnLocationChange();
}
- document->SetStateObject(scContainer);
+ aDocument->SetStateObject(aData);
return NS_OK;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-29 13:34:40 +0000