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gecko-dev/toolkit/components/places/FaviconHelpers.cpp

1420 строки
49 KiB
C++
Исходник Ответственный История

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* vim: sw=2 ts=2 et lcs=trail\:.,tab\:>~ :
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "FaviconHelpers.h"
#include "nsICacheEntry.h"
#include "nsICachingChannel.h"
#include "nsIClassOfService.h"
#include "nsIAsyncVerifyRedirectCallback.h"
#include "nsIPrincipal.h"
#include "nsNavHistory.h"
#include "nsFaviconService.h"
#include "mozilla/storage.h"
#include "mozilla/Telemetry.h"
#include "nsNetUtil.h"
#include "nsPrintfCString.h"
#include "nsStreamUtils.h"
#include "nsStringStream.h"
#include "nsIPrivateBrowsingChannel.h"
#include "nsISupportsPriority.h"
#include "nsContentUtils.h"
#include <algorithm>
#include <deque>
#include "mozilla/gfx/2D.h"
#include "imgIContainer.h"
#include "ImageOps.h"
#include "imgIEncoder.h"
using namespace mozilla::places;
using namespace mozilla::storage;
namespace mozilla {
namespace places {
namespace {
/**
* Fetches information about a page from the database.
*
* @param aDB
* Database connection to history tables.
* @param _page
* Page that should be fetched.
*/
nsresult FetchPageInfo(const RefPtr<Database>& aDB, PageData& _page) {
MOZ_ASSERT(_page.spec.Length(), "Must have a non-empty spec!");
MOZ_ASSERT(!NS_IsMainThread());
// The subquery finds the bookmarked uri we want to set the icon for,
// walking up redirects.
nsCString query = nsPrintfCString(
"SELECT h.id, pi.id, h.guid, ( "
"WITH RECURSIVE "
"destinations(visit_type, from_visit, place_id, rev_host, bm) AS ( "
"SELECT v.visit_type, v.from_visit, p.id, p.rev_host, b.id "
"FROM moz_places p "
"LEFT JOIN moz_historyvisits v ON v.place_id = p.id "
"LEFT JOIN moz_bookmarks b ON b.fk = p.id "
"WHERE p.id = h.id "
"UNION "
"SELECT src.visit_type, src.from_visit, src.place_id, p.rev_host, b.id "
"FROM moz_places p "
"JOIN moz_historyvisits src ON src.place_id = p.id "
"JOIN destinations dest ON dest.from_visit = src.id AND dest.visit_type "
"IN (%d, %d) "
"LEFT JOIN moz_bookmarks b ON b.fk = src.place_id "
"WHERE instr(p.rev_host, dest.rev_host) = 1 "
"OR instr(dest.rev_host, p.rev_host) = 1 "
") "
"SELECT url "
"FROM moz_places p "
"JOIN destinations r ON r.place_id = p.id "
"WHERE bm NOTNULL "
"LIMIT 1 "
"), fixup_url(get_unreversed_host(h.rev_host)) AS host "
"FROM moz_places h "
"LEFT JOIN moz_pages_w_icons pi ON page_url_hash = hash(:page_url) AND "
"page_url = :page_url "
"WHERE h.url_hash = hash(:page_url) AND h.url = :page_url",
nsINavHistoryService::TRANSITION_REDIRECT_PERMANENT,
nsINavHistoryService::TRANSITION_REDIRECT_TEMPORARY);
nsCOMPtr<mozIStorageStatement> stmt = aDB->GetStatement(query);
NS_ENSURE_STATE(stmt);
mozStorageStatementScoper scoper(stmt);
nsresult rv =
URIBinder::Bind(stmt, NS_LITERAL_CSTRING("page_url"), _page.spec);
NS_ENSURE_SUCCESS(rv, rv);
bool hasResult;
rv = stmt->ExecuteStep(&hasResult);
NS_ENSURE_SUCCESS(rv, rv);
if (!hasResult) {
// The page does not exist.
return NS_ERROR_NOT_AVAILABLE;
}
rv = stmt->GetInt64(0, &_page.placeId);
NS_ENSURE_SUCCESS(rv, rv);
// May be null, and in such a case this will be 0.
_page.id = stmt->AsInt64(1);
rv = stmt->GetUTF8String(2, _page.guid);
NS_ENSURE_SUCCESS(rv, rv);
// Bookmarked url can be nullptr.
bool isNull;
rv = stmt->GetIsNull(3, &isNull);
NS_ENSURE_SUCCESS(rv, rv);
// The page could not be bookmarked.
if (!isNull) {
rv = stmt->GetUTF8String(3, _page.bookmarkedSpec);
NS_ENSURE_SUCCESS(rv, rv);
}
if (_page.host.IsEmpty()) {
rv = stmt->GetUTF8String(4, _page.host);
NS_ENSURE_SUCCESS(rv, rv);
}
if (!_page.canAddToHistory) {
// Either history is disabled or the scheme is not supported. In such a
// case we want to update the icon only if the page is bookmarked.
if (_page.bookmarkedSpec.IsEmpty()) {
// The page is not bookmarked. Since updating the icon with a disabled
// history would be a privacy leak, bail out as if the page did not exist.
return NS_ERROR_NOT_AVAILABLE;
} else {
// The page, or a redirect to it, is bookmarked. If the bookmarked spec
// is different from the requested one, use it.
if (!_page.bookmarkedSpec.Equals(_page.spec)) {
_page.spec = _page.bookmarkedSpec;
rv = FetchPageInfo(aDB, _page);
NS_ENSURE_SUCCESS(rv, rv);
}
}
}
return NS_OK;
}
/**
* Stores information about an icon in the database.
*
* @param aDB
* Database connection to history tables.
* @param aIcon
* Icon that should be stored.
* @param aMustReplace
* If set to true, the function will bail out with NS_ERROR_NOT_AVAILABLE
* if it can't find a previous stored icon to replace.
* @note Should be wrapped in a transaction.
*/
nsresult SetIconInfo(const RefPtr<Database>& aDB, IconData& aIcon,
bool aMustReplace = false) {
MOZ_ASSERT(!NS_IsMainThread());
MOZ_ASSERT(aIcon.payloads.Length() > 0);
MOZ_ASSERT(!aIcon.spec.IsEmpty());
MOZ_ASSERT(aIcon.expiration > 0);
// There are multiple cases possible at this point:
// 1. We must insert some payloads and no payloads exist in the table. This
// would be a straight INSERT.
// 2. The table contains the same number of payloads we are inserting. This
// would be a straight UPDATE.
// 3. The table contains more payloads than we are inserting. This would be
// an UPDATE and a DELETE.
// 4. The table contains less payloads than we are inserting. This would be
// an UPDATE and an INSERT.
// We can't just remove all the old entries and insert the new ones, cause
// we'd lose the referential integrity with pages. For the same reason we
// cannot use INSERT OR REPLACE, since it's implemented as DELETE AND INSERT.
// Thus, we follow this strategy:
// * SELECT all existing icon ids
// * For each payload, either UPDATE OR INSERT reusing icon ids.
// * If any previous icon ids is leftover, DELETE it.
nsCOMPtr<mozIStorageStatement> selectStmt = aDB->GetStatement(
"SELECT id FROM moz_icons "
"WHERE fixed_icon_url_hash = hash(fixup_url(:url)) "
"AND icon_url = :url ");
NS_ENSURE_STATE(selectStmt);
mozStorageStatementScoper scoper(selectStmt);
nsresult rv =
URIBinder::Bind(selectStmt, NS_LITERAL_CSTRING("url"), aIcon.spec);
NS_ENSURE_SUCCESS(rv, rv);
std::deque<int64_t> ids;
bool hasResult = false;
while (NS_SUCCEEDED(selectStmt->ExecuteStep(&hasResult)) && hasResult) {
int64_t id = selectStmt->AsInt64(0);
MOZ_ASSERT(id > 0);
ids.push_back(id);
}
if (aMustReplace && ids.empty()) {
return NS_ERROR_NOT_AVAILABLE;
}
nsCOMPtr<mozIStorageStatement> insertStmt = aDB->GetStatement(
"INSERT INTO moz_icons "
"(icon_url, fixed_icon_url_hash, width, root, expire_ms, data) "
"VALUES (:url, hash(fixup_url(:url)), :width, :root, :expire, :data) ");
NS_ENSURE_STATE(insertStmt);
nsCOMPtr<mozIStorageStatement> updateStmt = aDB->GetStatement(
"UPDATE moz_icons SET width = :width, "
"expire_ms = :expire, "
"data = :data, "
"root = :root "
"WHERE id = :id ");
NS_ENSURE_STATE(updateStmt);
for (auto& payload : aIcon.payloads) {
// Sanity checks.
MOZ_ASSERT(payload.mimeType.EqualsLiteral(PNG_MIME_TYPE) ||
payload.mimeType.EqualsLiteral(SVG_MIME_TYPE),
"Only png and svg payloads are supported");
MOZ_ASSERT(!payload.mimeType.EqualsLiteral(SVG_MIME_TYPE) ||
payload.width == UINT16_MAX,
"SVG payloads should have max width");
MOZ_ASSERT(payload.width > 0, "Payload should have a width");
#ifdef DEBUG
// Done to ensure we fetch the id. See the MOZ_ASSERT below.
payload.id = 0;
#endif
if (!ids.empty()) {
// Pop the first existing id for reuse.
int64_t id = ids.front();
ids.pop_front();
mozStorageStatementScoper scoper(updateStmt);
rv = updateStmt->BindInt64ByName(NS_LITERAL_CSTRING("id"), id);
NS_ENSURE_SUCCESS(rv, rv);
rv = updateStmt->BindInt32ByName(NS_LITERAL_CSTRING("width"),
payload.width);
NS_ENSURE_SUCCESS(rv, rv);
rv = updateStmt->BindInt64ByName(NS_LITERAL_CSTRING("expire"),
aIcon.expiration / 1000);
NS_ENSURE_SUCCESS(rv, rv);
rv = updateStmt->BindInt32ByName(NS_LITERAL_CSTRING("root"),
aIcon.rootIcon);
NS_ENSURE_SUCCESS(rv, rv);
rv = updateStmt->BindBlobByName(NS_LITERAL_CSTRING("data"),
TO_INTBUFFER(payload.data),
payload.data.Length());
NS_ENSURE_SUCCESS(rv, rv);
rv = updateStmt->Execute();
NS_ENSURE_SUCCESS(rv, rv);
// Set the new payload id.
payload.id = id;
} else {
// Insert a new entry.
mozStorageStatementScoper scoper(insertStmt);
rv = URIBinder::Bind(insertStmt, NS_LITERAL_CSTRING("url"), aIcon.spec);
NS_ENSURE_SUCCESS(rv, rv);
rv = insertStmt->BindInt32ByName(NS_LITERAL_CSTRING("width"),
payload.width);
NS_ENSURE_SUCCESS(rv, rv);
rv = insertStmt->BindInt32ByName(NS_LITERAL_CSTRING("root"),
aIcon.rootIcon);
NS_ENSURE_SUCCESS(rv, rv);
rv = insertStmt->BindInt64ByName(NS_LITERAL_CSTRING("expire"),
aIcon.expiration / 1000);
NS_ENSURE_SUCCESS(rv, rv);
rv = insertStmt->BindBlobByName(NS_LITERAL_CSTRING("data"),
TO_INTBUFFER(payload.data),
payload.data.Length());
NS_ENSURE_SUCCESS(rv, rv);
rv = insertStmt->Execute();
NS_ENSURE_SUCCESS(rv, rv);
// Set the new payload id.
payload.id = nsFaviconService::sLastInsertedIconId;
}
MOZ_ASSERT(payload.id > 0, "Payload should have an id");
}
if (!ids.empty()) {
// Remove any old leftover payload.
nsAutoCString sql("DELETE FROM moz_icons WHERE id IN (");
for (int64_t id : ids) {
sql.AppendInt(id);
sql.AppendLiteral(",");
}
sql.AppendLiteral(" 0)"); // Non-existing id to match the trailing comma.
nsCOMPtr<mozIStorageStatement> stmt = aDB->GetStatement(sql);
NS_ENSURE_STATE(stmt);
mozStorageStatementScoper scoper(stmt);
rv = stmt->Execute();
NS_ENSURE_SUCCESS(rv, rv);
}
return NS_OK;
}
/**
* Fetches information on a icon url from the database.
*
* @param aDBConn
* Database connection to history tables.
* @param aPreferredWidth
* The preferred size to fetch.
* @param _icon
* Icon that should be fetched.
*/
nsresult FetchIconInfo(const RefPtr<Database>& aDB, uint16_t aPreferredWidth,
IconData& _icon) {
MOZ_ASSERT(_icon.spec.Length(), "Must have a non-empty spec!");
MOZ_ASSERT(!NS_IsMainThread());
if (_icon.status & ICON_STATUS_CACHED) {
// The icon data has already been set by ReplaceFaviconData.
return NS_OK;
}
nsCOMPtr<mozIStorageStatement> stmt = aDB->GetStatement(
"/* do not warn (bug no: not worth having a compound index) */ "
"SELECT id, expire_ms, data, width, root "
"FROM moz_icons "
"WHERE fixed_icon_url_hash = hash(fixup_url(:url)) "
"AND icon_url = :url "
"ORDER BY width DESC ");
NS_ENSURE_STATE(stmt);
mozStorageStatementScoper scoper(stmt);
DebugOnly<nsresult> rv =
URIBinder::Bind(stmt, NS_LITERAL_CSTRING("url"), _icon.spec);
MOZ_ASSERT(NS_SUCCEEDED(rv));
bool hasResult = false;
while (NS_SUCCEEDED(stmt->ExecuteStep(&hasResult)) && hasResult) {
IconPayload payload;
rv = stmt->GetInt64(0, &payload.id);
MOZ_ASSERT(NS_SUCCEEDED(rv));
// Expiration can be nullptr.
bool isNull;
rv = stmt->GetIsNull(1, &isNull);
MOZ_ASSERT(NS_SUCCEEDED(rv));
if (!isNull) {
int64_t expire_ms;
rv = stmt->GetInt64(1, &expire_ms);
MOZ_ASSERT(NS_SUCCEEDED(rv));
_icon.expiration = expire_ms * 1000;
}
uint8_t* data;
uint32_t dataLen = 0;
rv = stmt->GetBlob(2, &dataLen, &data);
MOZ_ASSERT(NS_SUCCEEDED(rv));
payload.data.Adopt(TO_CHARBUFFER(data), dataLen);
int32_t width;
rv = stmt->GetInt32(3, &width);
MOZ_ASSERT(NS_SUCCEEDED(rv));
payload.width = width;
if (payload.width == UINT16_MAX) {
payload.mimeType.AssignLiteral(SVG_MIME_TYPE);
} else {
payload.mimeType.AssignLiteral(PNG_MIME_TYPE);
}
int32_t rootIcon;
rv = stmt->GetInt32(4, &rootIcon);
MOZ_ASSERT(NS_SUCCEEDED(rv));
_icon.rootIcon = rootIcon;
if (aPreferredWidth == 0 || _icon.payloads.Length() == 0) {
_icon.payloads.AppendElement(payload);
} else if (payload.width >= aPreferredWidth) {
// Only retain the best matching payload.
_icon.payloads.ReplaceElementAt(0, payload);
} else {
break;
}
}
return NS_OK;
}
nsresult FetchIconPerSpec(const RefPtr<Database>& aDB,
const nsACString& aPageSpec,
const nsACString& aPageHost, IconData& aIconData,
uint16_t aPreferredWidth) {
MOZ_ASSERT(!aPageSpec.IsEmpty(), "Page spec must not be empty.");
MOZ_ASSERT(!NS_IsMainThread());
// This selects both associated and root domain icons, ordered by width,
// where an associated icon has priority over a root domain icon.
// Regardless, note that while this way we are far more efficient, we lost
// associations with root domain icons, so it's possible we'll return one
// for a specific size when an associated icon for that size doesn't exist.
nsCOMPtr<mozIStorageStatement> stmt = aDB->GetStatement(
"/* do not warn (bug no: not worth having a compound index) */ "
"SELECT width, icon_url, root "
"FROM moz_icons i "
"JOIN moz_icons_to_pages ON i.id = icon_id "
"JOIN moz_pages_w_icons p ON p.id = page_id "
"WHERE page_url_hash = hash(:url) AND page_url = :url "
"OR (:hash_idx AND page_url_hash = hash(substr(:url, 0, :hash_idx)) "
"AND page_url = substr(:url, 0, :hash_idx)) "
"UNION ALL "
"SELECT width, icon_url, root "
"FROM moz_icons i "
"WHERE fixed_icon_url_hash = hash(fixup_url(:root_icon_url)) "
"ORDER BY width DESC, root ASC ");
NS_ENSURE_STATE(stmt);
mozStorageStatementScoper scoper(stmt);
nsresult rv = URIBinder::Bind(stmt, NS_LITERAL_CSTRING("url"), aPageSpec);
NS_ENSURE_SUCCESS(rv, rv);
nsAutoCString rootIconFixedUrl(aPageHost);
if (!rootIconFixedUrl.IsEmpty()) {
rootIconFixedUrl.AppendLiteral("/favicon.ico");
}
rv = stmt->BindUTF8StringByName(NS_LITERAL_CSTRING("root_icon_url"),
rootIconFixedUrl);
NS_ENSURE_SUCCESS(rv, rv);
int32_t hashIdx = PromiseFlatCString(aPageSpec).RFind("#");
rv = stmt->BindInt32ByName(NS_LITERAL_CSTRING("hash_idx"), hashIdx + 1);
NS_ENSURE_SUCCESS(rv, rv);
// Return the biggest icon close to the preferred width. It may be bigger
// or smaller if the preferred width isn't found.
bool hasResult;
int32_t lastWidth = 0;
while (NS_SUCCEEDED(stmt->ExecuteStep(&hasResult)) && hasResult) {
int32_t width;
rv = stmt->GetInt32(0, &width);
if (lastWidth == width) {
// We already found an icon for this width. We always prefer the first
// icon found, because it's a non-root icon, per the root ASC ordering.
continue;
}
if (!aIconData.spec.IsEmpty() && width < aPreferredWidth) {
// We found the best match, or we already found a match so we don't need
// to fallback to the root domain icon.
break;
}
lastWidth = width;
rv = stmt->GetUTF8String(1, aIconData.spec);
NS_ENSURE_SUCCESS(rv, rv);
}
return NS_OK;
}
/**
* Tries to compute the expiration time for a icon from the channel.
*
* @param aChannel
* The network channel used to fetch the icon.
* @return a valid expiration value for the fetched icon.
*/
PRTime GetExpirationTimeFromChannel(nsIChannel* aChannel) {
MOZ_ASSERT(NS_IsMainThread());
// Attempt to get an expiration time from the cache. If this fails, we'll
// make one up.
PRTime expiration = -1;
nsCOMPtr<nsICachingChannel> cachingChannel = do_QueryInterface(aChannel);
if (cachingChannel) {
nsCOMPtr<nsISupports> cacheToken;
nsresult rv = cachingChannel->GetCacheToken(getter_AddRefs(cacheToken));
if (NS_SUCCEEDED(rv)) {
nsCOMPtr<nsICacheEntry> cacheEntry = do_QueryInterface(cacheToken);
uint32_t seconds;
rv = cacheEntry->GetExpirationTime(&seconds);
if (NS_SUCCEEDED(rv)) {
// Set the expiration, but make sure we honor our cap.
expiration = PR_Now() + std::min((PRTime)seconds * PR_USEC_PER_SEC,
MAX_FAVICON_EXPIRATION);
}
}
}
// If we did not obtain a time from the cache, use the cap value.
return expiration < 0 ? PR_Now() + MAX_FAVICON_EXPIRATION : expiration;
}
} // namespace
////////////////////////////////////////////////////////////////////////////////
//// AsyncFetchAndSetIconForPage
NS_IMPL_ISUPPORTS_INHERITED(AsyncFetchAndSetIconForPage, Runnable,
nsIStreamListener, nsIInterfaceRequestor,
nsIChannelEventSink, mozIPlacesPendingOperation)
AsyncFetchAndSetIconForPage::AsyncFetchAndSetIconForPage(
IconData& aIcon, PageData& aPage, bool aFaviconLoadPrivate,
nsIFaviconDataCallback* aCallback, nsIPrincipal* aLoadingPrincipal,
uint64_t aRequestContextID)
: Runnable("places::AsyncFetchAndSetIconForPage"),
mCallback(new nsMainThreadPtrHolder<nsIFaviconDataCallback>(
"AsyncFetchAndSetIconForPage::mCallback", aCallback)),
mIcon(aIcon),
mPage(aPage),
mFaviconLoadPrivate(aFaviconLoadPrivate),
mLoadingPrincipal(new nsMainThreadPtrHolder<nsIPrincipal>(
"AsyncFetchAndSetIconForPage::mLoadingPrincipal", aLoadingPrincipal)),
mCanceled(false),
mRequestContextID(aRequestContextID) {
MOZ_ASSERT(NS_IsMainThread());
}
NS_IMETHODIMP
AsyncFetchAndSetIconForPage::Run() {
MOZ_ASSERT(!NS_IsMainThread());
// Try to fetch the icon from the database.
RefPtr<Database> DB = Database::GetDatabase();
NS_ENSURE_STATE(DB);
nsresult rv = FetchIconInfo(DB, 0, mIcon);
NS_ENSURE_SUCCESS(rv, rv);
bool isInvalidIcon = !mIcon.payloads.Length() || PR_Now() > mIcon.expiration;
bool fetchIconFromNetwork =
mIcon.fetchMode == FETCH_ALWAYS ||
(mIcon.fetchMode == FETCH_IF_MISSING && isInvalidIcon);
// Check if we can associate the icon to this page.
rv = FetchPageInfo(DB, mPage);
if (NS_FAILED(rv)) {
if (rv == NS_ERROR_NOT_AVAILABLE) {
// We have never seen this page. If we can add the page to history,
// we will try to do it later, otherwise just bail out.
if (!mPage.canAddToHistory) {
return NS_OK;
}
}
return rv;
}
if (!fetchIconFromNetwork) {
// There is already a valid icon or we don't want to fetch a new one,
// directly proceed with association.
RefPtr<AsyncAssociateIconToPage> event =
new AsyncAssociateIconToPage(mIcon, mPage, mCallback);
// We're already on the async thread.
return event->Run();
}
// Fetch the icon from the network, the request starts from the main-thread.
// When done this will associate the icon to the page and notify.
nsCOMPtr<nsIRunnable> event =
NewRunnableMethod("places::AsyncFetchAndSetIconForPage::FetchFromNetwork",
this, &AsyncFetchAndSetIconForPage::FetchFromNetwork);
return NS_DispatchToMainThread(event);
}
nsresult AsyncFetchAndSetIconForPage::FetchFromNetwork() {
MOZ_ASSERT(NS_IsMainThread());
if (mCanceled) {
return NS_OK;
}
// Ensure data is cleared, since it's going to be overwritten.
mIcon.payloads.Clear();
IconPayload payload;
mIcon.payloads.AppendElement(payload);
nsCOMPtr<nsIURI> iconURI;
nsresult rv = NS_NewURI(getter_AddRefs(iconURI), mIcon.spec);
NS_ENSURE_SUCCESS(rv, rv);
nsCOMPtr<nsIChannel> channel;
rv = NS_NewChannel(getter_AddRefs(channel), iconURI, mLoadingPrincipal,
nsILoadInfo::SEC_ALLOW_CROSS_ORIGIN_DATA_INHERITS |
nsILoadInfo::SEC_ALLOW_CHROME |
nsILoadInfo::SEC_DISALLOW_SCRIPT,
nsIContentPolicy::TYPE_INTERNAL_IMAGE_FAVICON);
NS_ENSURE_SUCCESS(rv, rv);
nsCOMPtr<nsIInterfaceRequestor> listenerRequestor =
do_QueryInterface(reinterpret_cast<nsISupports*>(this));
NS_ENSURE_STATE(listenerRequestor);
rv = channel->SetNotificationCallbacks(listenerRequestor);
NS_ENSURE_SUCCESS(rv, rv);
nsCOMPtr<nsIPrivateBrowsingChannel> pbChannel = do_QueryInterface(channel);
if (pbChannel) {
rv = pbChannel->SetPrivate(mFaviconLoadPrivate);
NS_ENSURE_SUCCESS(rv, rv);
}
nsCOMPtr<nsISupportsPriority> priorityChannel = do_QueryInterface(channel);
if (priorityChannel) {
priorityChannel->AdjustPriority(nsISupportsPriority::PRIORITY_LOWEST);
}
if (nsContentUtils::IsTailingEnabled()) {
nsCOMPtr<nsIClassOfService> cos = do_QueryInterface(channel);
if (cos) {
cos->AddClassFlags(nsIClassOfService::Tail |
nsIClassOfService::Throttleable);
}
nsCOMPtr<nsIHttpChannel> httpChannel(do_QueryInterface(channel));
if (httpChannel) {
Unused << httpChannel->SetRequestContextID(mRequestContextID);
}
}
rv = channel->AsyncOpen2(this);
if (NS_SUCCEEDED(rv)) {
mRequest = channel;
}
return rv;
}
NS_IMETHODIMP
AsyncFetchAndSetIconForPage::Cancel() {
MOZ_ASSERT(NS_IsMainThread());
if (mCanceled) {
return NS_ERROR_UNEXPECTED;
}
mCanceled = true;
if (mRequest) {
mRequest->Cancel(NS_BINDING_ABORTED);
}
return NS_OK;
}
NS_IMETHODIMP
AsyncFetchAndSetIconForPage::OnStartRequest(nsIRequest* aRequest,
nsISupports* aContext) {
// mRequest should already be set from ::FetchFromNetwork, but in the case of
// a redirect we might get a new request, and we should make sure we keep a
// reference to the most current request.
mRequest = aRequest;
if (mCanceled) {
mRequest->Cancel(NS_BINDING_ABORTED);
}
return NS_OK;
}
NS_IMETHODIMP
AsyncFetchAndSetIconForPage::OnDataAvailable(nsIRequest* aRequest,
nsISupports* aContext,
nsIInputStream* aInputStream,
uint64_t aOffset,
uint32_t aCount) {
MOZ_ASSERT(mIcon.payloads.Length() == 1);
// Limit downloads to 500KB.
const size_t kMaxDownloadSize = 500 * 1024;
if (mIcon.payloads[0].data.Length() + aCount > kMaxDownloadSize) {
mIcon.payloads.Clear();
return NS_ERROR_FILE_TOO_BIG;
}
nsAutoCString buffer;
nsresult rv = NS_ConsumeStream(aInputStream, aCount, buffer);
if (rv != NS_BASE_STREAM_WOULD_BLOCK && NS_FAILED(rv)) {
return rv;
}
if (!mIcon.payloads[0].data.Append(buffer, fallible)) {
mIcon.payloads.Clear();
return NS_ERROR_OUT_OF_MEMORY;
}
return NS_OK;
}
NS_IMETHODIMP
AsyncFetchAndSetIconForPage::GetInterface(const nsIID& uuid, void** aResult) {
return QueryInterface(uuid, aResult);
}
NS_IMETHODIMP
AsyncFetchAndSetIconForPage::AsyncOnChannelRedirect(
nsIChannel* oldChannel, nsIChannel* newChannel, uint32_t flags,
nsIAsyncVerifyRedirectCallback* cb) {
// If we've been canceled, stop the redirect with NS_BINDING_ABORTED, and
// handle the cancel on the original channel.
(void)cb->OnRedirectVerifyCallback(mCanceled ? NS_BINDING_ABORTED : NS_OK);
return NS_OK;
}
NS_IMETHODIMP
AsyncFetchAndSetIconForPage::OnStopRequest(nsIRequest* aRequest,
nsISupports* aContext,
nsresult aStatusCode) {
MOZ_ASSERT(NS_IsMainThread());
// Don't need to track this anymore.
mRequest = nullptr;
if (mCanceled) {
return NS_OK;
}
nsFaviconService* favicons = nsFaviconService::GetFaviconService();
NS_ENSURE_STATE(favicons);
nsresult rv;
// If fetching the icon failed, bail out.
if (NS_FAILED(aStatusCode) || mIcon.payloads.Length() == 0) {
return NS_OK;
}
nsCOMPtr<nsIChannel> channel = do_QueryInterface(aRequest);
// aRequest should always QI to nsIChannel.
MOZ_ASSERT(channel);
MOZ_ASSERT(mIcon.payloads.Length() == 1);
IconPayload& payload = mIcon.payloads[0];
nsAutoCString contentType;
channel->GetContentType(contentType);
// Bug 366324 - We don't want to sniff for SVG, so rely on server-specified
// type.
if (contentType.EqualsLiteral(SVG_MIME_TYPE)) {
payload.mimeType.AssignLiteral(SVG_MIME_TYPE);
payload.width = UINT16_MAX;
} else {
NS_SniffContent(NS_DATA_SNIFFER_CATEGORY, aRequest,
TO_INTBUFFER(payload.data), payload.data.Length(),
payload.mimeType);
}
// If the icon does not have a valid MIME type, bail out.
if (payload.mimeType.IsEmpty()) {
return NS_OK;
}
mIcon.expiration = GetExpirationTimeFromChannel(channel);
// Telemetry probes to measure the favicon file sizes for each different file
// type. This allow us to measure common file sizes while also observing each
// type popularity.
if (payload.mimeType.EqualsLiteral(PNG_MIME_TYPE)) {
mozilla::Telemetry::Accumulate(mozilla::Telemetry::PLACES_FAVICON_PNG_SIZES,
payload.data.Length());
} else if (payload.mimeType.EqualsLiteral("image/x-icon") ||
payload.mimeType.EqualsLiteral("image/vnd.microsoft.icon")) {
mozilla::Telemetry::Accumulate(mozilla::Telemetry::PLACES_FAVICON_ICO_SIZES,
payload.data.Length());
} else if (payload.mimeType.EqualsLiteral("image/jpeg") ||
payload.mimeType.EqualsLiteral("image/pjpeg")) {
mozilla::Telemetry::Accumulate(
mozilla::Telemetry::PLACES_FAVICON_JPEG_SIZES, payload.data.Length());
} else if (payload.mimeType.EqualsLiteral("image/gif")) {
mozilla::Telemetry::Accumulate(mozilla::Telemetry::PLACES_FAVICON_GIF_SIZES,
payload.data.Length());
} else if (payload.mimeType.EqualsLiteral("image/bmp") ||
payload.mimeType.EqualsLiteral("image/x-windows-bmp")) {
mozilla::Telemetry::Accumulate(mozilla::Telemetry::PLACES_FAVICON_BMP_SIZES,
payload.data.Length());
} else if (payload.mimeType.EqualsLiteral(SVG_MIME_TYPE)) {
mozilla::Telemetry::Accumulate(mozilla::Telemetry::PLACES_FAVICON_SVG_SIZES,
payload.data.Length());
} else {
mozilla::Telemetry::Accumulate(
mozilla::Telemetry::PLACES_FAVICON_OTHER_SIZES, payload.data.Length());
}
rv = favicons->OptimizeIconSizes(mIcon);
NS_ENSURE_SUCCESS(rv, rv);
// If there's not valid payload, don't store the icon into to the database.
if (mIcon.payloads.Length() == 0) {
return NS_OK;
}
mIcon.status = ICON_STATUS_CHANGED;
RefPtr<Database> DB = Database::GetDatabase();
NS_ENSURE_STATE(DB);
RefPtr<AsyncAssociateIconToPage> event =
new AsyncAssociateIconToPage(mIcon, mPage, mCallback);
DB->DispatchToAsyncThread(event);
return NS_OK;
}
////////////////////////////////////////////////////////////////////////////////
//// AsyncAssociateIconToPage
AsyncAssociateIconToPage::AsyncAssociateIconToPage(
const IconData& aIcon, const PageData& aPage,
const nsMainThreadPtrHandle<nsIFaviconDataCallback>& aCallback)
: Runnable("places::AsyncAssociateIconToPage"),
mCallback(aCallback),
mIcon(aIcon),
mPage(aPage) {
// May be created in both threads.
}
NS_IMETHODIMP
AsyncAssociateIconToPage::Run() {
MOZ_ASSERT(!NS_IsMainThread());
MOZ_ASSERT(!mPage.guid.IsEmpty(),
"Page info should have been fetched already");
MOZ_ASSERT(mPage.canAddToHistory || !mPage.bookmarkedSpec.IsEmpty(),
"The page should be addable to history or a bookmark");
bool shouldUpdateIcon = mIcon.status & ICON_STATUS_CHANGED;
if (!shouldUpdateIcon) {
for (const auto& payload : mIcon.payloads) {
// If the entry is missing from the database, we should add it.
if (payload.id == 0) {
shouldUpdateIcon = true;
break;
}
}
}
RefPtr<Database> DB = Database::GetDatabase();
NS_ENSURE_STATE(DB);
mozStorageTransaction transaction(
DB->MainConn(), false, mozIStorageConnection::TRANSACTION_IMMEDIATE);
nsresult rv;
if (shouldUpdateIcon) {
rv = SetIconInfo(DB, mIcon);
NS_ENSURE_SUCCESS(rv, rv);
mIcon.status = (mIcon.status & ~(ICON_STATUS_CACHED)) | ICON_STATUS_SAVED;
}
// If the page does not have an id, don't try to insert a new one, cause we
// don't know where the page comes from. Not doing so we may end adding
// a page that otherwise we'd explicitly ignore, like a POST or an error page.
if (mPage.placeId == 0) {
rv = transaction.Commit();
NS_ENSURE_SUCCESS(rv, rv);
return NS_OK;
}
// Don't associate pages to root domain icons, since those will be returned
// regardless. This saves a lot of work and database space since we don't
// need to store urls and relations.
// Though, this is possible only if both the page and the icon have the same
// host, otherwise we couldn't relate them.
if (!mIcon.rootIcon || !mIcon.host.Equals(mPage.host)) {
// The page may have associated payloads already, and those could have to be
// expired. For example at a certain point a page could decide to stop
// serving its usual 16px and 32px pngs, and use an svg instead. On the
// other side, we could also be in the process of adding more payloads to
// this page, and we should not expire the payloads we just added. For this,
// we use the expiration field as an indicator and remove relations based on
// it being elapsed. We don't remove orphan icons at this time since it
// would have a cost. The privacy hit is limited since history removal
// methods already expire orphan icons.
if (mPage.id != 0) {
nsCOMPtr<mozIStorageStatement> stmt;
stmt = DB->GetStatement(
"DELETE FROM moz_icons_to_pages "
"WHERE icon_id IN ( "
"SELECT icon_id FROM moz_icons_to_pages "
"JOIN moz_icons i ON icon_id = i.id "
"WHERE page_id = :page_id "
"AND expire_ms < strftime('%s','now','localtime','start of day','-7 "
"days','utc') * 1000 "
") AND page_id = :page_id ");
NS_ENSURE_STATE(stmt);
mozStorageStatementScoper scoper(stmt);
rv = stmt->BindInt64ByName(NS_LITERAL_CSTRING("page_id"), mPage.id);
NS_ENSURE_SUCCESS(rv, rv);
rv = stmt->Execute();
NS_ENSURE_SUCCESS(rv, rv);
} else {
// We need to create the page entry.
nsCOMPtr<mozIStorageStatement> stmt;
stmt = DB->GetStatement(
"INSERT OR IGNORE INTO moz_pages_w_icons (page_url, page_url_hash) "
"VALUES (:page_url, hash(:page_url)) ");
NS_ENSURE_STATE(stmt);
mozStorageStatementScoper scoper(stmt);
rv = URIBinder::Bind(stmt, NS_LITERAL_CSTRING("page_url"), mPage.spec);
NS_ENSURE_SUCCESS(rv, rv);
rv = stmt->Execute();
NS_ENSURE_SUCCESS(rv, rv);
}
// Then we can create the relations.
nsCOMPtr<mozIStorageStatement> stmt;
stmt = DB->GetStatement(
"INSERT OR IGNORE INTO moz_icons_to_pages (page_id, icon_id) "
"VALUES ((SELECT id from moz_pages_w_icons WHERE page_url_hash = "
"hash(:page_url) AND page_url = :page_url), "
":icon_id) ");
NS_ENSURE_STATE(stmt);
// For some reason using BindingParamsArray here fails execution, so we must
// execute the statements one by one.
// In the future we may want to investigate the reasons, sounds like related
// to contraints.
for (const auto& payload : mIcon.payloads) {
mozStorageStatementScoper scoper(stmt);
nsCOMPtr<mozIStorageBindingParams> params;
rv = URIBinder::Bind(stmt, NS_LITERAL_CSTRING("page_url"), mPage.spec);
NS_ENSURE_SUCCESS(rv, rv);
rv = stmt->BindInt64ByName(NS_LITERAL_CSTRING("icon_id"), payload.id);
NS_ENSURE_SUCCESS(rv, rv);
rv = stmt->Execute();
NS_ENSURE_SUCCESS(rv, rv);
}
}
mIcon.status |= ICON_STATUS_ASSOCIATED;
rv = transaction.Commit();
NS_ENSURE_SUCCESS(rv, rv);
// Finally, dispatch an event to the main thread to notify observers.
nsCOMPtr<nsIRunnable> event =
new NotifyIconObservers(mIcon, mPage, mCallback);
rv = NS_DispatchToMainThread(event);
NS_ENSURE_SUCCESS(rv, rv);
// If there is a bookmarked page that redirects to this one, try to update its
// icon as well.
if (!mPage.bookmarkedSpec.IsEmpty() &&
!mPage.bookmarkedSpec.Equals(mPage.spec)) {
// Create a new page struct to avoid polluting it with old data.
PageData bookmarkedPage;
bookmarkedPage.spec = mPage.bookmarkedSpec;
RefPtr<Database> DB = Database::GetDatabase();
if (DB && NS_SUCCEEDED(FetchPageInfo(DB, bookmarkedPage))) {
// This will be silent, so be sure to not pass in the current callback.
nsMainThreadPtrHandle<nsIFaviconDataCallback> nullCallback;
RefPtr<AsyncAssociateIconToPage> event =
new AsyncAssociateIconToPage(mIcon, bookmarkedPage, nullCallback);
Unused << event->Run();
}
}
return NS_OK;
}
////////////////////////////////////////////////////////////////////////////////
//// AsyncGetFaviconURLForPage
AsyncGetFaviconURLForPage::AsyncGetFaviconURLForPage(
const nsACString& aPageSpec, const nsACString& aPageHost,
uint16_t aPreferredWidth, nsIFaviconDataCallback* aCallback)
: Runnable("places::AsyncGetFaviconURLForPage"),
mPreferredWidth(aPreferredWidth == 0 ? UINT16_MAX : aPreferredWidth),
mCallback(new nsMainThreadPtrHolder<nsIFaviconDataCallback>(
"AsyncGetFaviconURLForPage::mCallback", aCallback)) {
MOZ_ASSERT(NS_IsMainThread());
mPageSpec.Assign(aPageSpec);
mPageHost.Assign(aPageHost);
}
NS_IMETHODIMP
AsyncGetFaviconURLForPage::Run() {
MOZ_ASSERT(!NS_IsMainThread());
RefPtr<Database> DB = Database::GetDatabase();
NS_ENSURE_STATE(DB);
IconData iconData;
nsresult rv =
FetchIconPerSpec(DB, mPageSpec, mPageHost, iconData, mPreferredWidth);
NS_ENSURE_SUCCESS(rv, rv);
// Now notify our callback of the icon spec we retrieved, even if empty.
PageData pageData;
pageData.spec.Assign(mPageSpec);
nsCOMPtr<nsIRunnable> event =
new NotifyIconObservers(iconData, pageData, mCallback);
rv = NS_DispatchToMainThread(event);
NS_ENSURE_SUCCESS(rv, rv);
return NS_OK;
}
////////////////////////////////////////////////////////////////////////////////
//// AsyncGetFaviconDataForPage
AsyncGetFaviconDataForPage::AsyncGetFaviconDataForPage(
const nsACString& aPageSpec, const nsACString& aPageHost,
uint16_t aPreferredWidth, nsIFaviconDataCallback* aCallback)
: Runnable("places::AsyncGetFaviconDataForPage"),
mPreferredWidth(aPreferredWidth == 0 ? UINT16_MAX : aPreferredWidth),
mCallback(new nsMainThreadPtrHolder<nsIFaviconDataCallback>(
"AsyncGetFaviconDataForPage::mCallback", aCallback)) {
MOZ_ASSERT(NS_IsMainThread());
mPageSpec.Assign(aPageSpec);
mPageHost.Assign(aPageHost);
}
NS_IMETHODIMP
AsyncGetFaviconDataForPage::Run() {
MOZ_ASSERT(!NS_IsMainThread());
RefPtr<Database> DB = Database::GetDatabase();
NS_ENSURE_STATE(DB);
IconData iconData;
nsresult rv =
FetchIconPerSpec(DB, mPageSpec, mPageHost, iconData, mPreferredWidth);
NS_ENSURE_SUCCESS(rv, rv);
if (!iconData.spec.IsEmpty()) {
rv = FetchIconInfo(DB, mPreferredWidth, iconData);
if (NS_FAILED(rv)) {
iconData.spec.Truncate();
}
}
PageData pageData;
pageData.spec.Assign(mPageSpec);
nsCOMPtr<nsIRunnable> event =
new NotifyIconObservers(iconData, pageData, mCallback);
rv = NS_DispatchToMainThread(event);
NS_ENSURE_SUCCESS(rv, rv);
return NS_OK;
}
////////////////////////////////////////////////////////////////////////////////
//// AsyncReplaceFaviconData
AsyncReplaceFaviconData::AsyncReplaceFaviconData(const IconData& aIcon)
: Runnable("places::AsyncReplaceFaviconData"), mIcon(aIcon) {
MOZ_ASSERT(NS_IsMainThread());
}
NS_IMETHODIMP
AsyncReplaceFaviconData::Run() {
MOZ_ASSERT(!NS_IsMainThread());
RefPtr<Database> DB = Database::GetDatabase();
NS_ENSURE_STATE(DB);
mozStorageTransaction transaction(
DB->MainConn(), false, mozIStorageConnection::TRANSACTION_IMMEDIATE);
nsresult rv = SetIconInfo(DB, mIcon, true);
if (rv == NS_ERROR_NOT_AVAILABLE) {
// There's no previous icon to replace, we don't need to do anything.
return NS_OK;
}
NS_ENSURE_SUCCESS(rv, rv);
rv = transaction.Commit();
NS_ENSURE_SUCCESS(rv, rv);
// We can invalidate the cache version since we now persist the icon.
nsCOMPtr<nsIRunnable> event = NewRunnableMethod(
"places::AsyncReplaceFaviconData::RemoveIconDataCacheEntry", this,
&AsyncReplaceFaviconData::RemoveIconDataCacheEntry);
rv = NS_DispatchToMainThread(event);
NS_ENSURE_SUCCESS(rv, rv);
return NS_OK;
}
nsresult AsyncReplaceFaviconData::RemoveIconDataCacheEntry() {
MOZ_ASSERT(NS_IsMainThread());
nsCOMPtr<nsIURI> iconURI;
nsresult rv = NS_NewURI(getter_AddRefs(iconURI), mIcon.spec);
NS_ENSURE_SUCCESS(rv, rv);
nsFaviconService* favicons = nsFaviconService::GetFaviconService();
NS_ENSURE_STATE(favicons);
favicons->mUnassociatedIcons.RemoveEntry(iconURI);
return NS_OK;
}
////////////////////////////////////////////////////////////////////////////////
//// NotifyIconObservers
NotifyIconObservers::NotifyIconObservers(
const IconData& aIcon, const PageData& aPage,
const nsMainThreadPtrHandle<nsIFaviconDataCallback>& aCallback)
: Runnable("places::NotifyIconObservers"),
mCallback(aCallback),
mIcon(aIcon),
mPage(aPage) {}
NS_IMETHODIMP
NotifyIconObservers::Run() {
MOZ_ASSERT(NS_IsMainThread());
nsCOMPtr<nsIURI> iconURI;
if (!mIcon.spec.IsEmpty()) {
MOZ_ALWAYS_SUCCEEDS(NS_NewURI(getter_AddRefs(iconURI), mIcon.spec));
if (iconURI) {
// Notify observers only if something changed.
if (mIcon.status & ICON_STATUS_SAVED ||
mIcon.status & ICON_STATUS_ASSOCIATED) {
nsCOMPtr<nsIURI> pageURI;
MOZ_ALWAYS_SUCCEEDS(NS_NewURI(getter_AddRefs(pageURI), mPage.spec));
if (pageURI) {
nsFaviconService* favicons = nsFaviconService::GetFaviconService();
MOZ_ASSERT(favicons);
if (favicons) {
(void)favicons->SendFaviconNotifications(pageURI, iconURI,
mPage.guid);
}
}
}
}
}
if (!mCallback) {
return NS_OK;
}
if (mIcon.payloads.Length() > 0) {
IconPayload& payload = mIcon.payloads[0];
return mCallback->OnComplete(iconURI, payload.data.Length(),
TO_INTBUFFER(payload.data), payload.mimeType,
payload.width);
}
return mCallback->OnComplete(iconURI, 0, TO_INTBUFFER(EmptyCString()),
EmptyCString(), 0);
}
////////////////////////////////////////////////////////////////////////////////
//// FetchAndConvertUnsupportedPayloads
FetchAndConvertUnsupportedPayloads::FetchAndConvertUnsupportedPayloads(
mozIStorageConnection* aDBConn)
: Runnable("places::FetchAndConvertUnsupportedPayloads"), mDB(aDBConn) {}
NS_IMETHODIMP
FetchAndConvertUnsupportedPayloads::Run() {
if (NS_IsMainThread()) {
Preferences::ClearUser(PREF_CONVERT_PAYLOADS);
return NS_OK;
}
MOZ_ASSERT(!NS_IsMainThread());
NS_ENSURE_STATE(mDB);
nsCOMPtr<mozIStorageStatement> stmt;
nsresult rv = mDB->CreateStatement(
NS_LITERAL_CSTRING(
"SELECT id, width, data FROM moz_icons WHERE typeof(width) = 'text' "
"ORDER BY id ASC "
"LIMIT 200 "),
getter_AddRefs(stmt));
NS_ENSURE_SUCCESS(rv, rv);
mozStorageTransaction transaction(
mDB, false, mozIStorageConnection::TRANSACTION_IMMEDIATE);
// We should do the work in chunks, or the wal journal may grow too much.
uint8_t count = 0;
bool hasResult;
while (NS_SUCCEEDED(stmt->ExecuteStep(&hasResult)) && hasResult) {
++count;
int64_t id = stmt->AsInt64(0);
MOZ_ASSERT(id > 0);
nsAutoCString mimeType;
rv = stmt->GetUTF8String(1, mimeType);
if (NS_WARN_IF(NS_FAILED(rv))) {
continue;
}
uint8_t* data;
uint32_t dataLen = 0;
rv = stmt->GetBlob(2, &dataLen, &data);
if (NS_WARN_IF(NS_FAILED(rv))) {
continue;
}
nsCString buf;
buf.Adopt(TO_CHARBUFFER(data), dataLen);
int32_t width = 0;
rv = ConvertPayload(id, mimeType, buf, &width);
Unused << NS_WARN_IF(NS_FAILED(rv));
if (NS_SUCCEEDED(rv)) {
rv = StorePayload(id, width, buf);
if (NS_WARN_IF(NS_FAILED(rv))) {
continue;
}
}
}
rv = transaction.Commit();
NS_ENSURE_SUCCESS(rv, rv);
if (count == 200) {
// There are more results to handle. Re-dispatch to the same thread for the
// next chunk.
return NS_DispatchToCurrentThread(this);
}
// We're done. Remove any leftovers.
rv = mDB->ExecuteSimpleSQL(
NS_LITERAL_CSTRING("DELETE FROM moz_icons WHERE typeof(width) = 'text'"));
NS_ENSURE_SUCCESS(rv, rv);
// Run a one-time VACUUM of places.sqlite, since we removed a lot from it.
// It may cause jank, but not doing it could cause dataloss due to expiration.
rv = mDB->ExecuteSimpleSQL(NS_LITERAL_CSTRING("VACUUM"));
NS_ENSURE_SUCCESS(rv, rv);
// Re-dispatch to the main-thread to flip the conversion pref.
return NS_DispatchToMainThread(this);
}
nsresult FetchAndConvertUnsupportedPayloads::ConvertPayload(
int64_t aId, const nsACString& aMimeType, nsCString& aPayload,
int32_t* aWidth) {
// TODO (bug 1346139): this should probably be unified with the function that
// will handle additions optimization off the main thread.
MOZ_ASSERT(!NS_IsMainThread());
*aWidth = 0;
// Exclude invalid mime types.
if (aPayload.Length() == 0 || !imgLoader::SupportImageWithMimeType(
PromiseFlatCString(aMimeType).get(),
AcceptedMimeTypes::IMAGES_AND_DOCUMENTS)) {
return NS_ERROR_FAILURE;
}
// If it's an SVG, there's nothing to optimize or convert.
if (aMimeType.EqualsLiteral(SVG_MIME_TYPE)) {
*aWidth = UINT16_MAX;
return NS_OK;
}
// Convert the payload to an input stream.
nsCOMPtr<nsIInputStream> stream;
nsresult rv = NS_NewByteInputStream(getter_AddRefs(stream), aPayload.get(),
aPayload.Length(), NS_ASSIGNMENT_DEPEND);
NS_ENSURE_SUCCESS(rv, rv);
// Decode the input stream to a surface.
RefPtr<gfx::SourceSurface> surface = image::ImageOps::DecodeToSurface(
stream.forget(), aMimeType, imgIContainer::DECODE_FLAGS_DEFAULT);
NS_ENSURE_STATE(surface);
RefPtr<gfx::DataSourceSurface> dataSurface = surface->GetDataSurface();
NS_ENSURE_STATE(dataSurface);
// Read the current size and set an appropriate final width.
int32_t width = dataSurface->GetSize().width;
int32_t height = dataSurface->GetSize().height;
// For non-square images, pick the largest side.
int32_t originalSize = std::max(width, height);
int32_t size = originalSize;
for (uint16_t supportedSize : sFaviconSizes) {
if (supportedSize <= originalSize) {
size = supportedSize;
break;
}
}
*aWidth = size;
// If the original payload is png and the size is the same, no reason to
// rescale the image.
if (aMimeType.EqualsLiteral(PNG_MIME_TYPE) && size == originalSize) {
return NS_OK;
}
// Rescale when needed.
RefPtr<gfx::DataSourceSurface> targetDataSurface =
gfx::Factory::CreateDataSourceSurface(gfx::IntSize(size, size),
gfx::SurfaceFormat::B8G8R8A8, true);
NS_ENSURE_STATE(targetDataSurface);
{ // Block scope for map.
gfx::DataSourceSurface::MappedSurface map;
if (!targetDataSurface->Map(gfx::DataSourceSurface::MapType::WRITE, &map)) {
return NS_ERROR_FAILURE;
}
RefPtr<gfx::DrawTarget> dt = gfx::Factory::CreateDrawTargetForData(
gfx::BackendType::CAIRO, map.mData, targetDataSurface->GetSize(),
map.mStride, gfx::SurfaceFormat::B8G8R8A8);
NS_ENSURE_STATE(dt);
gfx::IntSize frameSize = dataSurface->GetSize();
dt->DrawSurface(dataSurface, gfx::Rect(0, 0, size, size),
gfx::Rect(0, 0, frameSize.width, frameSize.height),
gfx::DrawSurfaceOptions(),
gfx::DrawOptions(1.0f, gfx::CompositionOp::OP_SOURCE));
targetDataSurface->Unmap();
}
// Finally Encode.
nsCOMPtr<imgIEncoder> encoder =
do_CreateInstance("@mozilla.org/image/encoder;2?type=image/png");
NS_ENSURE_STATE(encoder);
gfx::DataSourceSurface::MappedSurface map;
if (!targetDataSurface->Map(gfx::DataSourceSurface::MapType::READ, &map)) {
return NS_ERROR_FAILURE;
}
rv = encoder->InitFromData(map.mData, map.mStride * size, size, size,
map.mStride, imgIEncoder::INPUT_FORMAT_HOSTARGB,
EmptyString());
targetDataSurface->Unmap();
NS_ENSURE_SUCCESS(rv, rv);
// Read the stream into a new buffer.
nsCOMPtr<nsIInputStream> iconStream = encoder;
NS_ENSURE_STATE(iconStream);
rv = NS_ConsumeStream(iconStream, UINT32_MAX, aPayload);
NS_ENSURE_SUCCESS(rv, rv);
return NS_OK;
}
nsresult FetchAndConvertUnsupportedPayloads::StorePayload(
int64_t aId, int32_t aWidth, const nsCString& aPayload) {
MOZ_ASSERT(!NS_IsMainThread());
NS_ENSURE_STATE(mDB);
nsCOMPtr<mozIStorageStatement> stmt;
nsresult rv = mDB->CreateStatement(
NS_LITERAL_CSTRING(
"UPDATE moz_icons SET data = :data, width = :width WHERE id = :id"),
getter_AddRefs(stmt));
NS_ENSURE_SUCCESS(rv, rv);
rv = stmt->BindInt64ByName(NS_LITERAL_CSTRING("id"), aId);
NS_ENSURE_SUCCESS(rv, rv);
rv = stmt->BindInt32ByName(NS_LITERAL_CSTRING("width"), aWidth);
NS_ENSURE_SUCCESS(rv, rv);
rv = stmt->BindBlobByName(NS_LITERAL_CSTRING("data"), TO_INTBUFFER(aPayload),
aPayload.Length());
NS_ENSURE_SUCCESS(rv, rv);
rv = stmt->Execute();
NS_ENSURE_SUCCESS(rv, rv);
return NS_OK;
}
////////////////////////////////////////////////////////////////////////////////
//// AsyncCopyFavicons
AsyncCopyFavicons::AsyncCopyFavicons(PageData& aFromPage, PageData& aToPage,
nsIFaviconDataCallback* aCallback)
: Runnable("places::AsyncCopyFavicons"),
mFromPage(aFromPage),
mToPage(aToPage),
mCallback(new nsMainThreadPtrHolder<nsIFaviconDataCallback>(
"AsyncCopyFavicons::mCallback", aCallback)) {
MOZ_ASSERT(NS_IsMainThread());
}
NS_IMETHODIMP
AsyncCopyFavicons::Run() {
MOZ_ASSERT(!NS_IsMainThread());
IconData icon;
// Ensure we'll callback and dispatch notifications to the main-thread.
auto cleanup = MakeScopeExit([&]() {
// If we bailed out early, just return a null icon uri, since we didn't
// copy anything.
if (!(icon.status & ICON_STATUS_ASSOCIATED)) {
icon.spec.Truncate();
}
nsCOMPtr<nsIRunnable> event =
new NotifyIconObservers(icon, mToPage, mCallback);
NS_DispatchToMainThread(event);
});
RefPtr<Database> DB = Database::GetDatabase();
NS_ENSURE_STATE(DB);
nsresult rv = FetchPageInfo(DB, mToPage);
if (rv == NS_ERROR_NOT_AVAILABLE || !mToPage.placeId) {
// We have never seen this page, or we can't add this page to history and
// and it's not a bookmark. We won't add the page.
return NS_OK;
}
NS_ENSURE_SUCCESS(rv, rv);
// Get just one icon, to check whether the page has any, and to notify later.
rv = FetchIconPerSpec(DB, mFromPage.spec, EmptyCString(), icon, UINT16_MAX);
NS_ENSURE_SUCCESS(rv, rv);
if (icon.spec.IsEmpty()) {
// There's nothing to copy.
return NS_OK;
}
// Insert an entry in moz_pages_w_icons if needed.
if (!mToPage.id) {
// We need to create the page entry.
nsCOMPtr<mozIStorageStatement> stmt;
stmt = DB->GetStatement(
"INSERT OR IGNORE INTO moz_pages_w_icons (page_url, page_url_hash) "
"VALUES (:page_url, hash(:page_url)) ");
NS_ENSURE_STATE(stmt);
mozStorageStatementScoper scoper(stmt);
rv = URIBinder::Bind(stmt, NS_LITERAL_CSTRING("page_url"), mToPage.spec);
NS_ENSURE_SUCCESS(rv, rv);
rv = stmt->Execute();
NS_ENSURE_SUCCESS(rv, rv);
// Required to to fetch the id and the guid.
rv = FetchPageInfo(DB, mToPage);
NS_ENSURE_SUCCESS(rv, rv);
}
// Create the relations.
nsCOMPtr<mozIStorageStatement> stmt = DB->GetStatement(
"INSERT OR IGNORE INTO moz_icons_to_pages (page_id, icon_id) "
"SELECT :id, icon_id "
"FROM moz_icons_to_pages "
"WHERE page_id = (SELECT id FROM moz_pages_w_icons WHERE page_url_hash = "
"hash(:url) AND page_url = :url) ");
NS_ENSURE_STATE(stmt);
mozStorageStatementScoper scoper(stmt);
rv = stmt->BindInt64ByName(NS_LITERAL_CSTRING("id"), mToPage.id);
NS_ENSURE_SUCCESS(rv, rv);
rv = URIBinder::Bind(stmt, NS_LITERAL_CSTRING("url"), mFromPage.spec);
NS_ENSURE_SUCCESS(rv, rv);
rv = stmt->Execute();
NS_ENSURE_SUCCESS(rv, rv);
// Setting this will make us send pageChanged notifications.
// The scope exit will take care of the callback and notifications.
icon.status |= ICON_STATUS_ASSOCIATED;
return NS_OK;
}
} // namespace places
} // namespace mozilla
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