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Bug 1251872 - Part 2: Store the Request referrerPolicy in the DOM Cache; r=bkelly

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This patch also fixes an existing bug where we used to call
RewriteEntriesSchema at the end of each individual migration,
which is wrong since after the first call, sqlite will think
that it's dealing with the final schema.  So far we were lucky
that we only changed the actual schema once.
This commit is contained in:
Ehsan Akhgari 2016-02-27 14:08:58 -05:00
parent 937d4b75df
commit 993e54efd9
5 changed files with 130 additions and 66 deletions
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2
dom/cache/CacheTypes.ipdlh vendored
View File

@ -10,6 +10,7 @@ include ChannelInfo;
include PBackgroundSharedTypes;
using HeadersGuardEnum from "mozilla/dom/cache/IPCUtils.h";
using ReferrerPolicy from "mozilla/dom/cache/IPCUtils.h";
using RequestCredentials from "mozilla/dom/cache/IPCUtils.h";
using RequestMode from "mozilla/dom/cache/IPCUtils.h";
using RequestCache from "mozilla/dom/cache/IPCUtils.h";
@ -60,6 +61,7 @@ struct CacheRequest
HeadersEntry[] headers;
HeadersGuardEnum headersGuard;
nsString referrer;
ReferrerPolicy referrerPolicy;
RequestMode mode;
RequestCredentials credentials;
CacheReadStreamOrVoid body;

186
dom/cache/DBSchema.cpp vendored
View File

@ -37,7 +37,7 @@ const int32_t kFirstShippedSchemaVersion = 15;
namespace {
// Update this whenever the DB schema is changed.
const int32_t kLatestSchemaVersion = 19;
const int32_t kLatestSchemaVersion = 20;
// ---------
// The following constants define the SQL schema. These are defined in the
@ -104,9 +104,10 @@ const char* const kTableEntries =
"response_principal_info TEXT NOT NULL, "
"cache_id INTEGER NOT NULL REFERENCES caches(id) ON DELETE CASCADE, "
"request_redirect INTEGER NOT NULL, "
"request_referrer_policy INTEGER NOT NULL"
// New columns must be added at the end of table to migrate and
// validate properly.
"request_redirect INTEGER NOT NULL"
")";
// Create an index to support the QueryCache() matching algorithm. This
@ -189,6 +190,14 @@ static_assert(int(HeadersGuardEnum::None) == 0 &&
int(HeadersGuardEnum::Immutable) == 4 &&
int(HeadersGuardEnum::EndGuard_) == 5,
"HeadersGuardEnum values are as expected");
static_assert(int(ReferrerPolicy::_empty) == 0 &&
int(ReferrerPolicy::No_referrer) == 1 &&
int(ReferrerPolicy::No_referrer_when_downgrade) == 2 &&
int(ReferrerPolicy::Origin_only) == 3 &&
int(ReferrerPolicy::Origin_when_cross_origin) == 4 &&
int(ReferrerPolicy::Unsafe_url) == 5 &&
int(ReferrerPolicy::EndGuard_) == 6,
"ReferrerPolicy values are as expected");
static_assert(int(RequestMode::Same_origin) == 0 &&
int(RequestMode::No_cors) == 1 &&
int(RequestMode::Cors) == 2 &&
@ -1635,6 +1644,7 @@ InsertEntry(mozIStorageConnection* aConn, CacheId aCacheId,
"request_url_query, "
"request_url_query_hash, "
"request_referrer, "
"request_referrer_policy, "
"request_headers_guard, "
"request_mode, "
"request_credentials, "
@ -1658,6 +1668,7 @@ InsertEntry(mozIStorageConnection* aConn, CacheId aCacheId,
":request_url_query, "
":request_url_query_hash, "
":request_referrer, "
":request_referrer_policy, "
":request_headers_guard, "
":request_mode, "
":request_credentials, "
@ -1710,6 +1721,10 @@ InsertEntry(mozIStorageConnection* aConn, CacheId aCacheId,
aRequest.referrer());
if (NS_WARN_IF(NS_FAILED(rv))) { return rv; }
rv = state->BindInt32ByName(NS_LITERAL_CSTRING("request_referrer_policy"),
static_cast<int32_t>(aRequest.referrerPolicy()));
if (NS_WARN_IF(NS_FAILED(rv))) { return rv; }
rv = state->BindInt32ByName(NS_LITERAL_CSTRING("request_headers_guard"),
static_cast<int32_t>(aRequest.headersGuard()));
if (NS_WARN_IF(NS_FAILED(rv))) { return rv; }
@ -1988,6 +2003,7 @@ ReadRequest(mozIStorageConnection* aConn, EntryId aEntryId,
"request_url_no_query, "
"request_url_query, "
"request_referrer, "
"request_referrer_policy, "
"request_headers_guard, "
"request_mode, "
"request_credentials, "
@ -2019,48 +2035,54 @@ ReadRequest(mozIStorageConnection* aConn, EntryId aEntryId,
rv = state->GetString(3, aSavedRequestOut->mValue.referrer());
if (NS_WARN_IF(NS_FAILED(rv))) { return rv; }
int32_t referrerPolicy;
rv = state->GetInt32(4, &referrerPolicy);
if (NS_WARN_IF(NS_FAILED(rv))) { return rv; }
aSavedRequestOut->mValue.referrerPolicy() =
static_cast<ReferrerPolicy>(referrerPolicy);
int32_t guard;
rv = state->GetInt32(4, &guard);
rv = state->GetInt32(5, &guard);
if (NS_WARN_IF(NS_FAILED(rv))) { return rv; }
aSavedRequestOut->mValue.headersGuard() =
static_cast<HeadersGuardEnum>(guard);
int32_t mode;
rv = state->GetInt32(5, &mode);
rv = state->GetInt32(6, &mode);
if (NS_WARN_IF(NS_FAILED(rv))) { return rv; }
aSavedRequestOut->mValue.mode() = static_cast<RequestMode>(mode);
int32_t credentials;
rv = state->GetInt32(6, &credentials);
rv = state->GetInt32(7, &credentials);
if (NS_WARN_IF(NS_FAILED(rv))) { return rv; }
aSavedRequestOut->mValue.credentials() =
static_cast<RequestCredentials>(credentials);
int32_t requestContentPolicyType;
rv = state->GetInt32(7, &requestContentPolicyType);
rv = state->GetInt32(8, &requestContentPolicyType);
if (NS_WARN_IF(NS_FAILED(rv))) { return rv; }
aSavedRequestOut->mValue.contentPolicyType() =
static_cast<nsContentPolicyType>(requestContentPolicyType);
int32_t requestCache;
rv = state->GetInt32(8, &requestCache);
rv = state->GetInt32(9, &requestCache);
if (NS_WARN_IF(NS_FAILED(rv))) { return rv; }
aSavedRequestOut->mValue.requestCache() =
static_cast<RequestCache>(requestCache);
int32_t requestRedirect;
rv = state->GetInt32(9, &requestRedirect);
rv = state->GetInt32(10, &requestRedirect);
if (NS_WARN_IF(NS_FAILED(rv))) { return rv; }
aSavedRequestOut->mValue.requestRedirect() =
static_cast<RequestRedirect>(requestRedirect);
bool nullBody = false;
rv = state->GetIsNull(10, &nullBody);
rv = state->GetIsNull(11, &nullBody);
if (NS_WARN_IF(NS_FAILED(rv))) { return rv; }
aSavedRequestOut->mHasBodyId = !nullBody;
if (aSavedRequestOut->mHasBodyId) {
rv = ExtractId(state, 10, &aSavedRequestOut->mBodyId);
rv = ExtractId(state, 11, &aSavedRequestOut->mBodyId);
if (NS_WARN_IF(NS_FAILED(rv))) { return rv; }
}
@ -2396,7 +2418,7 @@ Validate(mozIStorageConnection* aConn)
// Schema migration code
// -----
typedef nsresult (*MigrationFunc)(mozIStorageConnection*);
typedef nsresult (*MigrationFunc)(mozIStorageConnection*, bool&);
struct Migration
{
MOZ_CONSTEXPR Migration(int32_t aFromVersion, MigrationFunc aFunc)
@ -2409,10 +2431,11 @@ struct Migration
// Declare migration functions here. Each function should upgrade
// the version by a single increment. Don't skip versions.
nsresult MigrateFrom15To16(mozIStorageConnection* aConn);
nsresult MigrateFrom16To17(mozIStorageConnection* aConn);
nsresult MigrateFrom17To18(mozIStorageConnection* aConn);
nsresult MigrateFrom18To19(mozIStorageConnection* aConn);
nsresult MigrateFrom15To16(mozIStorageConnection* aConn, bool& aRewriteSchema);
nsresult MigrateFrom16To17(mozIStorageConnection* aConn, bool& aRewriteSchema);
nsresult MigrateFrom17To18(mozIStorageConnection* aConn, bool& aRewriteSchema);
nsresult MigrateFrom18To19(mozIStorageConnection* aConn, bool& aRewriteSchema);
nsresult MigrateFrom19To20(mozIStorageConnection* aConn, bool& aRewriteSchema);
// Configure migration functions to run for the given starting version.
Migration sMigrationList[] = {
@ -2420,45 +2443,11 @@ Migration sMigrationList[] = {
Migration(16, MigrateFrom16To17),
Migration(17, MigrateFrom17To18),
Migration(18, MigrateFrom18To19),
Migration(19, MigrateFrom19To20),
};
uint32_t sMigrationListLength = sizeof(sMigrationList) / sizeof(Migration);
nsresult
Migrate(mozIStorageConnection* aConn)
{
MOZ_ASSERT(!NS_IsMainThread());
MOZ_ASSERT(aConn);
int32_t currentVersion = 0;
nsresult rv = aConn->GetSchemaVersion(&currentVersion);
if (NS_WARN_IF(NS_FAILED(rv))) { return rv; }
while (currentVersion < kLatestSchemaVersion) {
// Wiping old databases is handled in DBAction because it requires
// making a whole new mozIStorageConnection. Make sure we don't
// accidentally get here for one of those old databases.
MOZ_ASSERT(currentVersion >= kFirstShippedSchemaVersion);
for (uint32_t i = 0; i < sMigrationListLength; ++i) {
if (sMigrationList[i].mFromVersion == currentVersion) {
rv = sMigrationList[i].mFunc(aConn);
if (NS_WARN_IF(NS_FAILED(rv))) { return rv; }
break;
}
}
DebugOnly<int32_t> lastVersion = currentVersion;
rv = aConn->GetSchemaVersion(&currentVersion);
if (NS_WARN_IF(NS_FAILED(rv))) { return rv; }
MOZ_ASSERT(currentVersion > lastVersion);
}
MOZ_ASSERT(currentVersion == kLatestSchemaVersion);
return rv;
}
nsresult
RewriteEntriesSchema(mozIStorageConnection* aConn)
{
@ -2488,7 +2477,55 @@ RewriteEntriesSchema(mozIStorageConnection* aConn)
return rv;
}
nsresult MigrateFrom15To16(mozIStorageConnection* aConn)
nsresult
Migrate(mozIStorageConnection* aConn)
{
MOZ_ASSERT(!NS_IsMainThread());
MOZ_ASSERT(aConn);
int32_t currentVersion = 0;
nsresult rv = aConn->GetSchemaVersion(&currentVersion);
if (NS_WARN_IF(NS_FAILED(rv))) { return rv; }
bool rewriteSchema = false;
while (currentVersion < kLatestSchemaVersion) {
// Wiping old databases is handled in DBAction because it requires
// making a whole new mozIStorageConnection. Make sure we don't
// accidentally get here for one of those old databases.
MOZ_ASSERT(currentVersion >= kFirstShippedSchemaVersion);
for (uint32_t i = 0; i < sMigrationListLength; ++i) {
if (sMigrationList[i].mFromVersion == currentVersion) {
bool shouldRewrite = false;
rv = sMigrationList[i].mFunc(aConn, shouldRewrite);
if (NS_WARN_IF(NS_FAILED(rv))) { return rv; }
if (shouldRewrite) {
rewriteSchema = true;
}
break;
}
}
DebugOnly<int32_t> lastVersion = currentVersion;
rv = aConn->GetSchemaVersion(&currentVersion);
if (NS_WARN_IF(NS_FAILED(rv))) { return rv; }
MOZ_ASSERT(currentVersion > lastVersion);
}
MOZ_ASSERT(currentVersion == kLatestSchemaVersion);
if (rewriteSchema) {
// Now overwrite the master SQL for the entries table to remove the column
// default value. This is also necessary for our Validate() method to
// pass on this database.
rv = RewriteEntriesSchema(aConn);
}
return rv;
}
nsresult MigrateFrom15To16(mozIStorageConnection* aConn, bool& aRewriteSchema)
{
MOZ_ASSERT(!NS_IsMainThread());
MOZ_ASSERT(aConn);
@ -2507,20 +2544,16 @@ nsresult MigrateFrom15To16(mozIStorageConnection* aConn)
));
if (NS_WARN_IF(NS_FAILED(rv))) { return rv; }
// Now overwrite the master SQL for the entries table to remove the column
// default value. This is also necessary for our Validate() method to
// pass on this database.
rv = RewriteEntriesSchema(aConn);
if (NS_WARN_IF(NS_FAILED(rv))) { return rv; }
rv = aConn->SetSchemaVersion(16);
if (NS_WARN_IF(NS_FAILED(rv))) { return rv; }
aRewriteSchema = true;
return rv;
}
nsresult
MigrateFrom16To17(mozIStorageConnection* aConn)
MigrateFrom16To17(mozIStorageConnection* aConn, bool& aRewriteSchema)
{
MOZ_ASSERT(!NS_IsMainThread());
MOZ_ASSERT(aConn);
@ -2645,12 +2678,6 @@ MigrateFrom16To17(mozIStorageConnection* aConn)
if (NS_WARN_IF(NS_FAILED(rv))) { return rv; }
if (NS_WARN_IF(hasMoreData)) { return NS_ERROR_FAILURE; }
// Finally, rewrite the schema for the entries database, otherwise the
// returned SQL string from sqlite will wrap the name of the table in quotes,
// breaking the checks in Validate().
rv = RewriteEntriesSchema(aConn);
if (NS_WARN_IF(NS_FAILED(rv))) { return rv; }
rv = aConn->SetSchemaVersion(17);
if (NS_WARN_IF(NS_FAILED(rv))) { return rv; }
@ -2658,7 +2685,7 @@ MigrateFrom16To17(mozIStorageConnection* aConn)
}
nsresult
MigrateFrom17To18(mozIStorageConnection* aConn)
MigrateFrom17To18(mozIStorageConnection* aConn, bool& aRewriteSchema)
{
MOZ_ASSERT(!NS_IsMainThread());
MOZ_ASSERT(aConn);
@ -2688,7 +2715,7 @@ MigrateFrom17To18(mozIStorageConnection* aConn)
}
nsresult
MigrateFrom18To19(mozIStorageConnection* aConn)
MigrateFrom18To19(mozIStorageConnection* aConn, bool& aRewriteSchema)
{
MOZ_ASSERT(!NS_IsMainThread());
MOZ_ASSERT(aConn);
@ -2719,6 +2746,33 @@ MigrateFrom18To19(mozIStorageConnection* aConn)
return rv;
}
nsresult MigrateFrom19To20(mozIStorageConnection* aConn, bool& aRewriteSchema)
{
MOZ_ASSERT(!NS_IsMainThread());
MOZ_ASSERT(aConn);
mozStorageTransaction trans(aConn, true,
mozIStorageConnection::TRANSACTION_IMMEDIATE);
// Add the request_referrer_policy column with a default value of
// "no-referrer-when-downgrade". Note, we only use a default value here
// because its required by ALTER TABLE and we need to apply the default
// "no-referrer-when-downgrade" to existing records in the table. We don't
// actually want to keep the default in the schema for future INSERTs.
nsresult rv = aConn->ExecuteSimpleSQL(NS_LITERAL_CSTRING(
"ALTER TABLE entries "
"ADD COLUMN request_referrer_policy INTEGER NOT NULL DEFAULT 2"
));
if (NS_WARN_IF(NS_FAILED(rv))) { return rv; }
rv = aConn->SetSchemaVersion(20);
if (NS_WARN_IF(NS_FAILED(rv))) { return rv; }
aRewriteSchema = true;
return rv;
}
} // anonymous namespace

5
dom/cache/IPCUtils.h vendored
View File

@ -24,6 +24,11 @@ namespace IPC {
mozilla::dom::HeadersGuardEnum::None,
mozilla::dom::HeadersGuardEnum::EndGuard_> {};
template<>
struct ParamTraits<mozilla::dom::ReferrerPolicy> :
public ContiguousEnumSerializer<mozilla::dom::ReferrerPolicy,
mozilla::dom::ReferrerPolicy::_empty,
mozilla::dom::ReferrerPolicy::EndGuard_> {};
template<>
struct ParamTraits<mozilla::dom::RequestMode> :
public ContiguousEnumSerializer<mozilla::dom::RequestMode,
mozilla::dom::RequestMode::Same_origin,

2
dom/cache/TypeUtils.cpp vendored
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@ -170,6 +170,7 @@ TypeUtils::ToCacheRequest(CacheRequest& aOut, InternalRequest* aIn,
}
aIn->GetReferrer(aOut.referrer());
aOut.referrerPolicy() = aIn->ReferrerPolicy_();
RefPtr<InternalHeaders> headers = aIn->Headers();
MOZ_ASSERT(headers);
@ -340,6 +341,7 @@ TypeUtils::ToInternalRequest(const CacheRequest& aIn)
internalRequest->SetURL(url);
internalRequest->SetReferrer(aIn.referrer());
internalRequest->SetReferrerPolicy(aIn.referrerPolicy());
internalRequest->SetMode(aIn.mode());
internalRequest->SetCredentialsMode(aIn.credentials());
internalRequest->SetContentPolicyType(aIn.contentPolicyType());

1
dom/cache/test/xpcshell/test_migration.js vendored
View File

@ -22,6 +22,7 @@ function run_test() {
ok(request.redirect === 'follow', 'request.redirect should default to "follow"');
ok(request.cache === 'default', 'request.cache should have been updated to "default"' + request.cache);
ok(request.mode === 'navigate', 'request.mode should have been updated to "navigate"');
ok(request.referrerPolicy === 'no-referrer-when-downgrade', 'request.referrerPolicy should have been updated to "no-referrer-when-downgrade"');
});
return Promise.all(requestList.map(function(request) {
return cache.match(request);