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appcache_database.cc
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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "content/browser/appcache/appcache_database.h"
#include "base/auto_reset.h"
#include "base/bind.h"
#include "base/command_line.h"
#include "base/files/file_util.h"
#include "base/logging.h"
#include "base/stl_util.h"
#include "base/strings/utf_string_conversions.h"
#include "content/browser/appcache/appcache_backfillers.h"
#include "content/browser/appcache/appcache_entry.h"
#include "content/browser/appcache/appcache_histograms.h"
#include "sql/database.h"
#include "sql/error_delegate_util.h"
#include "sql/meta_table.h"
#include "sql/statement.h"
#include "sql/transaction.h"
#include "third_party/blink/public/common/features.h"
namespace content {
// Schema -------------------------------------------------------------------
namespace {
// Version number of the database.
//
// We support migrating the database schema from versions that are at most 2
// years old. Older versions are unsupported, and will cause the database to get
// nuked.
//
// Version 0 - 2009-12-28 - https://crrev.com/501033 (unsupported)
// Version 1 - 2010-01-20 - https://crrev.com/554008 (unsupported)
// Version 2 - 2010-02-23 - https://crrev.com/630009 (unsupported)
// Version 3 - 2010-03-17 - https://crrev.com/886003 (unsupported)
// Version 4 - 2011-12-12 - https://crrev.com/8396013 (unsupported)
// Version 5 - 2013-03-29 - https://crrev.com/12628006 (unsupported)
// Version 6 - 2013-09-20 - https://crrev.com/23503069 (unsupported)
// Version 7 - 2015-07-09 - https://crrev.com/879393002
// Version 8 - 2019-03-18 - https://crrev.com/c/1488059
// Version 9 - 2019-11-25 - https://crrev.com/c/1935034
// Version 10 - 2020-03-09 - https://crrev.com/c/2099463
const int kCurrentVersion = 10;
const int kCompatibleVersion = 10;
const bool kCreateIfNeeded = true;
const bool kDontCreate = false;
// A mechanism to run experiments that may affect in data being persisted
// in different ways such that when the experiment is toggled on/off via
// cmd line flags, the database gets reset. The active flags are stored at
// the time of database creation and compared when reopening. If different
// the database is reset.
const char kExperimentFlagsKey[] = "ExperimentFlags";
const char kGroupsTable[] = "Groups";
const char kCachesTable[] = "Caches";
const char kEntriesTable[] = "Entries";
const char kNamespacesTable[] = "Namespaces";
// TODO(crbug.com/1108479): Update table name, add migration.
const char kOnlineSafeListsTable[] = "OnlineWhiteLists";
const char kDeletableResponseIdsTable[] = "DeletableResponseIds";
struct TableInfo {
const char* table_name;
const char* columns;
};
struct IndexInfo {
const char* index_name;
const char* table_name;
const char* columns;
bool unique;
};
const TableInfo kTables[] = {
{kGroupsTable,
"(group_id INTEGER PRIMARY KEY,"
" origin TEXT,"
" manifest_url TEXT,"
" creation_time INTEGER,"
" last_access_time INTEGER,"
" last_full_update_check_time INTEGER,"
" first_evictable_error_time INTEGER,"
" token_expires INTEGER)"},
{kCachesTable,
"(cache_id INTEGER PRIMARY KEY,"
" group_id INTEGER,"
" online_wildcard INTEGER CHECK(online_wildcard IN (0, 1)),"
" update_time INTEGER,"
" cache_size INTEGER," // intentionally not normalized
" padding_size INTEGER," // intentionally not normalized
" manifest_parser_version INTEGER,"
" manifest_scope TEXT,"
" token_expires INTEGER)"},
{kEntriesTable,
"(cache_id INTEGER,"
" url TEXT,"
" flags INTEGER,"
" response_id INTEGER,"
" response_size INTEGER,"
" padding_size INTEGER,"
" token_expires INTEGER)"},
// The |is_pattern| field is obsolete.
{kNamespacesTable,
"(cache_id INTEGER,"
" origin TEXT," // intentionally not normalized
" type INTEGER,"
" namespace_url TEXT,"
" target_url TEXT,"
" is_pattern INTEGER CHECK(is_pattern IN (0, 1)),"
" token_expires INTEGER)"},
// The |is_pattern| field is obsolete.
{kOnlineSafeListsTable,
"(cache_id INTEGER,"
" namespace_url TEXT,"
" is_pattern INTEGER CHECK(is_pattern IN (0, 1)))"},
{kDeletableResponseIdsTable, "(response_id INTEGER NOT NULL)"},
};
const IndexInfo kIndexes[] = {
{"GroupsOriginIndex", kGroupsTable, "(origin)", false},
{"GroupsManifestIndex", kGroupsTable, "(manifest_url)", true},
{"CachesGroupIndex", kCachesTable, "(group_id)", false},
{"EntriesCacheIndex", kEntriesTable, "(cache_id)", false},
{"EntriesCacheAndUrlIndex", kEntriesTable, "(cache_id, url)", true},
{"EntriesResponseIdIndex", kEntriesTable, "(response_id)", true},
{"NamespacesCacheIndex", kNamespacesTable, "(cache_id)", false},
{"NamespacesOriginIndex", kNamespacesTable, "(origin)", false},
{"NamespacesCacheAndUrlIndex", kNamespacesTable,
"(cache_id, namespace_url)", true},
// TODO(crbug.com/1108479): Update table name, add migration.
{"OnlineWhiteListCacheIndex", kOnlineSafeListsTable, "(cache_id)", false},
{"DeletableResponsesIdIndex", kDeletableResponseIdsTable, "(response_id)",
true},
};
bool CreateTable(sql::Database* db, const TableInfo& info) {
std::string sql("CREATE TABLE ");
sql += info.table_name;
sql += info.columns;
return db->Execute(sql.c_str());
}
bool CreateIndex(sql::Database* db, const IndexInfo& info) {
std::string sql;
if (info.unique)
sql += "CREATE UNIQUE INDEX ";
else
sql += "CREATE INDEX ";
sql += info.index_name;
sql += " ON ";
sql += info.table_name;
sql += info.columns;
return db->Execute(sql.c_str());
}
std::string GetActiveExperimentFlags() {
return std::string();
}
// GetURL().spec() is used instead of Serialize() to ensure
// backwards compatibility with older data.
std::string SerializeOrigin(const url::Origin& origin) {
return origin.GetURL().spec();
}
} // anon namespace
// AppCacheDatabase ----------------------------------------------------------
AppCacheDatabase::GroupRecord::GroupRecord()
: group_id(0) {
}
AppCacheDatabase::GroupRecord::GroupRecord(const GroupRecord& other) = default;
AppCacheDatabase::GroupRecord::~GroupRecord() = default;
AppCacheDatabase::CacheRecord::CacheRecord() = default;
AppCacheDatabase::CacheRecord::CacheRecord(const CacheRecord& other) = default;
AppCacheDatabase::CacheRecord::~CacheRecord() = default;
AppCacheDatabase::NamespaceRecord::NamespaceRecord()
: cache_id(0) {
}
AppCacheDatabase::NamespaceRecord::~NamespaceRecord() = default;
AppCacheDatabase::AppCacheDatabase(const base::FilePath& path)
: db_file_path_(path),
is_disabled_(false),
is_recreating_(false),
was_corruption_detected_(false) {
}
AppCacheDatabase::~AppCacheDatabase() {
CommitLazyLastAccessTimes();
}
void AppCacheDatabase::Disable() {
VLOG(1) << "Disabling appcache database.";
is_disabled_ = true;
ResetConnectionAndTables();
}
int64_t AppCacheDatabase::GetOriginUsage(const url::Origin& origin) {
std::vector<CacheRecord> caches;
if (!FindCachesForOrigin(origin, &caches))
return 0;
int64_t origin_usage = 0;
for (const auto& cache : caches)
origin_usage += cache.cache_size + cache.padding_size;
return origin_usage;
}
bool AppCacheDatabase::GetAllOriginUsage(
std::map<url::Origin, int64_t>* usage_map) {
std::set<url::Origin> origins;
if (!FindOriginsWithGroups(&origins))
return false;
for (const auto& origin : origins)
(*usage_map)[origin] = GetOriginUsage(origin);
return true;
}
bool AppCacheDatabase::FindOriginsWithGroups(std::set<url::Origin>* origins) {
DCHECK(origins && origins->empty());
if (!LazyOpen(kDontCreate))
return false;
static const char kSql[] = "SELECT DISTINCT(origin) FROM Groups";
sql::Statement statement(db_->GetUniqueStatement(kSql));
while (statement.Step())
origins->insert(url::Origin::Create(GURL(statement.ColumnString(0))));
return statement.Succeeded();
}
bool AppCacheDatabase::FindLastStorageIds(
int64_t* last_group_id,
int64_t* last_cache_id,
int64_t* last_response_id,
int64_t* last_deletable_response_rowid) {
DCHECK(last_group_id && last_cache_id && last_response_id &&
last_deletable_response_rowid);
*last_group_id = 0;
*last_cache_id = 0;
*last_response_id = 0;
*last_deletable_response_rowid = 0;
if (!LazyOpen(kDontCreate))
return false;
static const char kMaxGroupIdSql[] = "SELECT MAX(group_id) FROM Groups";
static const char kMaxCacheIdSql[] = "SELECT MAX(cache_id) FROM Caches";
static const char kMaxResponseIdFromEntriesSql[] =
"SELECT MAX(response_id) FROM Entries";
static const char kMaxResponseIdFromDeletablesSql[] =
"SELECT MAX(response_id) FROM DeletableResponseIds";
static const char kMaxDeletableResponseRowIdSql[] =
"SELECT MAX(rowid) FROM DeletableResponseIds";
int64_t max_group_id;
int64_t max_cache_id;
int64_t max_response_id_from_entries;
int64_t max_response_id_from_deletables;
int64_t max_deletable_response_rowid;
if (!RunUniqueStatementWithInt64Result(kMaxGroupIdSql, &max_group_id) ||
!RunUniqueStatementWithInt64Result(kMaxCacheIdSql, &max_cache_id) ||
!RunUniqueStatementWithInt64Result(kMaxResponseIdFromEntriesSql,
&max_response_id_from_entries) ||
!RunUniqueStatementWithInt64Result(kMaxResponseIdFromDeletablesSql,
&max_response_id_from_deletables) ||
!RunUniqueStatementWithInt64Result(kMaxDeletableResponseRowIdSql,
&max_deletable_response_rowid)) {
return false;
}
*last_group_id = max_group_id;
*last_cache_id = max_cache_id;
*last_response_id = std::max(max_response_id_from_entries,
max_response_id_from_deletables);
*last_deletable_response_rowid = max_deletable_response_rowid;
return true;
}
bool AppCacheDatabase::FindGroup(int64_t group_id, GroupRecord* record) {
DCHECK(record);
if (!LazyOpen(kDontCreate))
return false;
static const char kSql[] =
"SELECT group_id, origin, manifest_url,"
" creation_time, last_access_time,"
" last_full_update_check_time,"
" first_evictable_error_time,"
" token_expires"
" FROM Groups WHERE group_id = ?";
sql::Statement statement(db_->GetCachedStatement(SQL_FROM_HERE, kSql));
statement.BindInt64(0, group_id);
if (!statement.Step())
return false;
ReadGroupRecord(statement, record);
DCHECK(record->group_id == group_id);
return true;
}
bool AppCacheDatabase::FindGroupForManifestUrl(
const GURL& manifest_url, GroupRecord* record) {
DCHECK(record);
if (!LazyOpen(kDontCreate))
return false;
static const char kSql[] =
"SELECT group_id, origin, manifest_url,"
" creation_time, last_access_time,"
" last_full_update_check_time,"
" first_evictable_error_time,"
" token_expires"
" FROM Groups WHERE manifest_url = ?";
sql::Statement statement(db_->GetCachedStatement(SQL_FROM_HERE, kSql));
statement.BindString(0, manifest_url.spec());
if (!statement.Step())
return false;
ReadGroupRecord(statement, record);
DCHECK(record->manifest_url == manifest_url);
return true;
}
bool AppCacheDatabase::FindGroupsForOrigin(const url::Origin& origin,
std::vector<GroupRecord>* records) {
DCHECK(records && records->empty());
if (!LazyOpen(kDontCreate))
return false;
static const char kSql[] =
"SELECT group_id, origin, manifest_url,"
" creation_time, last_access_time,"
" last_full_update_check_time,"
" first_evictable_error_time,"
" token_expires"
" FROM Groups WHERE origin = ?";
sql::Statement statement(db_->GetCachedStatement(SQL_FROM_HERE, kSql));
statement.BindString(0, SerializeOrigin(origin));
while (statement.Step()) {
records->push_back(GroupRecord());
ReadGroupRecord(statement, &records->back());
DCHECK(records->back().origin == origin);
}
return statement.Succeeded();
}
bool AppCacheDatabase::FindGroupForCache(int64_t cache_id,
GroupRecord* record) {
DCHECK(record);
if (!LazyOpen(kDontCreate))
return false;
static const char kSql[] =
"SELECT g.group_id, g.origin, g.manifest_url,"
" g.creation_time, g.last_access_time,"
" g.last_full_update_check_time,"
" g.first_evictable_error_time,"
" g.token_expires"
" FROM Groups g, Caches c"
" WHERE c.cache_id = ? AND c.group_id = g.group_id";
sql::Statement statement(db_->GetCachedStatement(SQL_FROM_HERE, kSql));
statement.BindInt64(0, cache_id);
if (!statement.Step())
return false;
ReadGroupRecord(statement, record);
return true;
}
bool AppCacheDatabase::InsertGroup(const GroupRecord* record) {
if (!LazyOpen(kCreateIfNeeded))
return false;
static const char kSql[] =
"INSERT INTO Groups"
" (group_id, origin, manifest_url, creation_time, last_access_time,"
" last_full_update_check_time, first_evictable_error_time,"
" token_expires)"
" VALUES(?, ?, ?, ?, ?, ?, ?, ?)";
sql::Statement statement(db_->GetCachedStatement(SQL_FROM_HERE, kSql));
statement.BindInt64(0, record->group_id);
statement.BindString(1, SerializeOrigin(record->origin));
statement.BindString(2, record->manifest_url.spec());
statement.BindInt64(3, record->creation_time.ToInternalValue());
statement.BindInt64(4, record->last_access_time.ToInternalValue());
statement.BindInt64(5, record->last_full_update_check_time.ToInternalValue());
statement.BindInt64(6, record->first_evictable_error_time.ToInternalValue());
statement.BindInt64(7, record->token_expires.ToInternalValue());
return statement.Run();
}
bool AppCacheDatabase::DeleteGroup(int64_t group_id) {
if (!LazyOpen(kDontCreate))
return false;
static const char kSql[] = "DELETE FROM Groups WHERE group_id = ?";
sql::Statement statement(db_->GetCachedStatement(SQL_FROM_HERE, kSql));
statement.BindInt64(0, group_id);
return statement.Run();
}
bool AppCacheDatabase::UpdateLastAccessTime(int64_t group_id, base::Time time) {
if (!LazyUpdateLastAccessTime(group_id, time))
return false;
return CommitLazyLastAccessTimes();
}
bool AppCacheDatabase::LazyUpdateLastAccessTime(int64_t group_id,
base::Time time) {
if (!LazyOpen(kCreateIfNeeded))
return false;
lazy_last_access_times_[group_id] = time;
return true;
}
bool AppCacheDatabase::CommitLazyLastAccessTimes() {
if (lazy_last_access_times_.empty())
return true;
if (!LazyOpen(kDontCreate))
return false;
sql::Transaction transaction(db_.get());
if (!transaction.Begin())
return false;
for (const auto& pair : lazy_last_access_times_) {
static const char kSql[] =
"UPDATE Groups SET last_access_time = ? WHERE group_id = ?";
sql::Statement statement(db_->GetCachedStatement(SQL_FROM_HERE, kSql));
statement.BindInt64(0, pair.second.ToInternalValue()); // time
statement.BindInt64(1, pair.first); // group_id
statement.Run();
}
lazy_last_access_times_.clear();
return transaction.Commit();
}
bool AppCacheDatabase::UpdateEvictionTimes(
int64_t group_id,
base::Time last_full_update_check_time,
base::Time first_evictable_error_time) {
if (!LazyOpen(kCreateIfNeeded))
return false;
static const char kSql[] =
"UPDATE Groups"
" SET last_full_update_check_time = ?,"
" first_evictable_error_time = ?"
" WHERE group_id = ?";
sql::Statement statement(db_->GetCachedStatement(SQL_FROM_HERE, kSql));
statement.BindInt64(0, last_full_update_check_time.ToInternalValue());
statement.BindInt64(1, first_evictable_error_time.ToInternalValue());
statement.BindInt64(2, group_id);
return statement.Run(); // Will succeed even if group_id is invalid.
}
bool AppCacheDatabase::FindCache(int64_t cache_id, CacheRecord* record) {
DCHECK(record);
if (!LazyOpen(kDontCreate))
return false;
static const char kSql[] =
"SELECT cache_id, group_id, online_wildcard, update_time, cache_size, "
"padding_size, manifest_parser_version, manifest_scope, token_expires"
" FROM Caches WHERE cache_id = ?";
sql::Statement statement(db_->GetCachedStatement(SQL_FROM_HERE, kSql));
statement.BindInt64(0, cache_id);
if (!statement.Step())
return false;
ReadCacheRecord(statement, record);
return true;
}
bool AppCacheDatabase::FindCacheForGroup(int64_t group_id,
CacheRecord* record) {
DCHECK(record);
if (!LazyOpen(kDontCreate))
return false;
static const char kSql[] =
"SELECT cache_id, group_id, online_wildcard, update_time, cache_size, "
"padding_size, manifest_parser_version, manifest_scope, token_expires"
" FROM Caches WHERE group_id = ?";
sql::Statement statement(db_->GetCachedStatement(SQL_FROM_HERE, kSql));
statement.BindInt64(0, group_id);
if (!statement.Step())
return false;
ReadCacheRecord(statement, record);
return true;
}
bool AppCacheDatabase::FindCachesForOrigin(const url::Origin& origin,
std::vector<CacheRecord>* records) {
DCHECK(records);
std::vector<GroupRecord> group_records;
if (!FindGroupsForOrigin(origin, &group_records))
return false;
for (const auto& record : group_records) {
CacheRecord cache_record;
if (!FindCacheForGroup(record.group_id, &cache_record))
continue;
if (HasValidOriginTrialToken(&cache_record))
records->push_back(cache_record);
}
return true;
}
bool AppCacheDatabase::InsertCache(const CacheRecord* record) {
if (!LazyOpen(kCreateIfNeeded))
return false;
static const char kSql[] =
"INSERT INTO Caches (cache_id, group_id, online_wildcard,"
" update_time, cache_size, padding_size,"
" manifest_parser_version, manifest_scope,"
" token_expires)"
" VALUES(?, ?, ?, ?, ?, ?, ?, ?, ?)";
sql::Statement statement(db_->GetCachedStatement(SQL_FROM_HERE, kSql));
statement.BindInt64(0, record->cache_id);
statement.BindInt64(1, record->group_id);
statement.BindBool(2, record->online_wildcard);
statement.BindInt64(3, record->update_time.ToInternalValue());
DCHECK_GE(record->cache_size, 0);
statement.BindInt64(4, record->cache_size);
DCHECK_GE(record->padding_size, 0);
statement.BindInt64(5, record->padding_size);
statement.BindInt64(6, record->manifest_parser_version);
DCHECK_NE(record->manifest_parser_version, -1);
statement.BindString(7, record->manifest_scope);
DCHECK_NE(record->manifest_scope, "");
statement.BindInt64(8, record->token_expires.ToInternalValue());
return statement.Run();
}
bool AppCacheDatabase::DeleteCache(int64_t cache_id) {
if (!LazyOpen(kDontCreate))
return false;
static const char kSql[] = "DELETE FROM Caches WHERE cache_id = ?";
sql::Statement statement(db_->GetCachedStatement(SQL_FROM_HERE, kSql));
statement.BindInt64(0, cache_id);
return statement.Run();
}
bool AppCacheDatabase::FindEntriesForCache(int64_t cache_id,
std::vector<EntryRecord>* records) {
DCHECK(records && records->empty());
if (!LazyOpen(kDontCreate))
return false;
static const char kSql[] =
"SELECT cache_id, url, flags, response_id, response_size, padding_size, "
" token_expires "
"FROM Entries"
" WHERE cache_id = ?";
sql::Statement statement(db_->GetCachedStatement(SQL_FROM_HERE, kSql));
statement.BindInt64(0, cache_id);
while (statement.Step()) {
records->push_back(EntryRecord());
ReadEntryRecord(statement, &records->back());
DCHECK(records->back().cache_id == cache_id);
}
return statement.Succeeded();
}
bool AppCacheDatabase::FindEntriesForUrl(
const GURL& url, std::vector<EntryRecord>* records) {
DCHECK(records && records->empty());
if (!LazyOpen(kDontCreate))
return false;
static const char kSql[] =
"SELECT cache_id, url, flags, response_id, response_size, padding_size, "
" token_expires "
"FROM Entries"
" WHERE url = ?";
sql::Statement statement(db_->GetCachedStatement(SQL_FROM_HERE, kSql));
statement.BindString(0, url.spec());
while (statement.Step()) {
records->push_back(EntryRecord());
ReadEntryRecord(statement, &records->back());
DCHECK(records->back().url == url);
}
return statement.Succeeded();
}
bool AppCacheDatabase::FindEntry(int64_t cache_id,
const GURL& url,
EntryRecord* record) {
DCHECK(record);
if (!LazyOpen(kDontCreate))
return false;
static const char kSql[] =
"SELECT cache_id, url, flags, response_id, response_size, padding_size, "
" token_expires "
"FROM Entries"
" WHERE cache_id = ? AND url = ?";
sql::Statement statement(db_->GetCachedStatement(SQL_FROM_HERE, kSql));
statement.BindInt64(0, cache_id);
statement.BindString(1, url.spec());
if (!statement.Step())
return false;
ReadEntryRecord(statement, record);
DCHECK(record->cache_id == cache_id);
DCHECK(record->url == url);
return true;
}
bool AppCacheDatabase::InsertEntry(const EntryRecord* record) {
if (!LazyOpen(kCreateIfNeeded))
return false;
static const char kSql[] =
"INSERT INTO Entries (cache_id, url, flags, response_id, response_size, "
"padding_size, token_expires)"
" VALUES(?, ?, ?, ?, ?, ?, ?)";
sql::Statement statement(db_->GetCachedStatement(SQL_FROM_HERE, kSql));
statement.BindInt64(0, record->cache_id);
statement.BindString(1, record->url.spec());
statement.BindInt(2, record->flags);
statement.BindInt64(3, record->response_id);
DCHECK_GE(record->response_size, 0);
statement.BindInt64(4, record->response_size);
DCHECK_GE(record->padding_size, 0);
statement.BindInt64(5, record->padding_size);
statement.BindInt64(6, record->token_expires.ToInternalValue());
return statement.Run();
}
bool AppCacheDatabase::InsertEntryRecords(
const std::vector<EntryRecord>& records) {
if (records.empty())
return true;
sql::Transaction transaction(db_.get());
if (!transaction.Begin())
return false;
for (const auto& record : records) {
if (!InsertEntry(&record))
return false;
}
return transaction.Commit();
}
bool AppCacheDatabase::DeleteEntriesForCache(int64_t cache_id) {
if (!LazyOpen(kDontCreate))
return false;
static const char kSql[] = "DELETE FROM Entries WHERE cache_id = ?";
sql::Statement statement(db_->GetCachedStatement(SQL_FROM_HERE, kSql));
statement.BindInt64(0, cache_id);
return statement.Run();
}
bool AppCacheDatabase::AddEntryFlags(const GURL& entry_url,
int64_t cache_id,
int additional_flags) {
if (!LazyOpen(kDontCreate))
return false;
static const char kSql[] =
"UPDATE Entries SET flags = flags | ? WHERE cache_id = ? AND url = ?";
sql::Statement statement(db_->GetCachedStatement(SQL_FROM_HERE, kSql));
statement.BindInt(0, additional_flags);
statement.BindInt64(1, cache_id);
statement.BindString(2, entry_url.spec());
return statement.Run() && db_->GetLastChangeCount();
}
bool AppCacheDatabase::FindNamespacesForOrigin(
const url::Origin& origin,
std::vector<NamespaceRecord>* intercepts,
std::vector<NamespaceRecord>* fallbacks) {
DCHECK(intercepts && intercepts->empty());
DCHECK(fallbacks && fallbacks->empty());
if (!LazyOpen(kDontCreate))
return false;
static const char kSql[] =
"SELECT cache_id, origin, type, namespace_url, target_url, token_expires"
" FROM Namespaces WHERE origin = ?";
sql::Statement statement(db_->GetCachedStatement(SQL_FROM_HERE, kSql));
statement.BindString(0, SerializeOrigin(origin));
ReadNamespaceRecords(&statement, intercepts, fallbacks);
return statement.Succeeded();
}
bool AppCacheDatabase::FindNamespacesForCache(
int64_t cache_id,
std::vector<NamespaceRecord>* intercepts,
std::vector<NamespaceRecord>* fallbacks) {
DCHECK(intercepts && intercepts->empty());
DCHECK(fallbacks && fallbacks->empty());
if (!LazyOpen(kDontCreate))
return false;
static const char kSql[] =
"SELECT cache_id, origin, type, namespace_url, target_url, token_expires"
" FROM Namespaces WHERE cache_id = ?";
sql::Statement statement(db_->GetCachedStatement(SQL_FROM_HERE, kSql));
statement.BindInt64(0, cache_id);
ReadNamespaceRecords(&statement, intercepts, fallbacks);
return statement.Succeeded();
}
bool AppCacheDatabase::InsertNamespace(
const NamespaceRecord* record) {
if (!LazyOpen(kCreateIfNeeded))
return false;
static const char kSql[] =
"INSERT INTO Namespaces"
" (cache_id, origin, type, namespace_url, target_url, is_pattern,"
" token_expires)"
" VALUES (?, ?, ?, ?, ?, ?, ?)";
sql::Statement statement(db_->GetCachedStatement(SQL_FROM_HERE, kSql));
statement.BindInt64(0, record->cache_id);
statement.BindString(1, SerializeOrigin(record->origin));
statement.BindInt(2, record->namespace_.type);
statement.BindString(3, record->namespace_.namespace_url.spec());
statement.BindString(4, record->namespace_.target_url.spec());
statement.BindBool(5, /*is_pattern=*/false);
statement.BindInt64(6, record->token_expires.ToInternalValue());
return statement.Run();
}
bool AppCacheDatabase::InsertNamespaceRecords(
const std::vector<NamespaceRecord>& records) {
if (records.empty())
return true;
sql::Transaction transaction(db_.get());
if (!transaction.Begin())
return false;
for (const auto& record : records) {
if (!InsertNamespace(&record))
return false;
}
return transaction.Commit();
}
bool AppCacheDatabase::DeleteNamespacesForCache(int64_t cache_id) {
if (!LazyOpen(kDontCreate))
return false;
static const char kSql[] = "DELETE FROM Namespaces WHERE cache_id = ?";
sql::Statement statement(db_->GetCachedStatement(SQL_FROM_HERE, kSql));
statement.BindInt64(0, cache_id);
return statement.Run();
}
bool AppCacheDatabase::FindOnlineSafeListForCache(
int64_t cache_id,
std::vector<OnlineSafeListRecord>* records) {
DCHECK(records && records->empty());
if (!LazyOpen(kDontCreate))
return false;
// TODO(crbug.com/1108479): Update table name.
static const char kSql[] =
"SELECT cache_id, namespace_url, is_pattern FROM OnlineWhiteLists"
" WHERE cache_id = ?";
sql::Statement statement(db_->GetCachedStatement(SQL_FROM_HERE, kSql));
statement.BindInt64(0, cache_id);
while (statement.Step()) {
records->push_back(OnlineSafeListRecord());
this->ReadOnlineSafeListRecord(statement, &records->back());
DCHECK(records->back().cache_id == cache_id);
}
return statement.Succeeded();
}
bool AppCacheDatabase::InsertOnlineSafeList(
const OnlineSafeListRecord* record) {
if (!LazyOpen(kCreateIfNeeded))
return false;
// TODO(crbug.com/1108479): Update table name.
static const char kSql[] =
"INSERT INTO OnlineWhiteLists (cache_id, namespace_url, is_pattern)"
" VALUES (?, ?, ?)";
sql::Statement statement(db_->GetCachedStatement(SQL_FROM_HERE, kSql));
statement.BindInt64(0, record->cache_id);
statement.BindString(1, record->namespace_url.spec());
statement.BindBool(2, /*is_pattern=*/false);
return statement.Run();
}
bool AppCacheDatabase::InsertOnlineSafeListRecords(
const std::vector<OnlineSafeListRecord>& records) {
if (records.empty())
return true;
sql::Transaction transaction(db_.get());
if (!transaction.Begin())
return false;
for (const auto& record : records) {
if (!InsertOnlineSafeList(&record))
return false;
}
return transaction.Commit();
}
bool AppCacheDatabase::DeleteOnlineSafeListForCache(int64_t cache_id) {
if (!LazyOpen(kDontCreate))
return false;
// TODO(crbug.com/1108479): Update table name.
static const char kSql[] = "DELETE FROM OnlineWhiteLists WHERE cache_id = ?";
sql::Statement statement(db_->GetCachedStatement(SQL_FROM_HERE, kSql));
statement.BindInt64(0, cache_id);
return statement.Run();
}
bool AppCacheDatabase::GetDeletableResponseIds(
std::vector<int64_t>* response_ids,
int64_t max_rowid,
int limit) {
if (!LazyOpen(kDontCreate))
return false;
static const char kSql[] =
"SELECT response_id FROM DeletableResponseIds "
" WHERE rowid <= ?"
" LIMIT ?";
sql::Statement statement(db_->GetCachedStatement(SQL_FROM_HERE, kSql));
statement.BindInt64(0, max_rowid);
statement.BindInt64(1, limit);
while (statement.Step())
response_ids->push_back(statement.ColumnInt64(0));
return statement.Succeeded();
}
bool AppCacheDatabase::InsertDeletableResponseIds(
const std::vector<int64_t>& response_ids) {
static const char kSql[] =
"INSERT INTO DeletableResponseIds (response_id) VALUES (?)";
return RunCachedStatementWithIds(SQL_FROM_HERE, kSql, response_ids);
}
bool AppCacheDatabase::DeleteDeletableResponseIds(
const std::vector<int64_t>& response_ids) {
static const char kSql[] =
"DELETE FROM DeletableResponseIds WHERE response_id = ?";
return RunCachedStatementWithIds(SQL_FROM_HERE, kSql, response_ids);
}
bool AppCacheDatabase::HasValidOriginTrialToken(CacheRecord* cache_record) {
if (!is_origin_trial_required_)
return true;
return cache_record->token_expires > base::Time::Now();
}
bool AppCacheDatabase::RunCachedStatementWithIds(
sql::StatementID statement_id,
const char* sql,
const std::vector<int64_t>& ids) {
DCHECK(sql);
if (!LazyOpen(kCreateIfNeeded))
return false;
sql::Transaction transaction(db_.get());
if (!transaction.Begin())
return false;
sql::Statement statement(db_->GetCachedStatement(statement_id, sql));
for (const auto& id : ids) {
statement.BindInt64(0, id);
if (!statement.Run())
return false;
statement.Reset(true);
}
return transaction.Commit();
}
bool AppCacheDatabase::RunUniqueStatementWithInt64Result(const char* sql,
int64_t* result) {
DCHECK(sql);
sql::Statement statement(db_->GetUniqueStatement(sql));
if (!statement.Step()) {
return false;
}
*result = statement.ColumnInt64(0);
return true;
}
bool AppCacheDatabase::FindResponseIdsForCacheHelper(
int64_t cache_id,
std::vector<int64_t>* ids_vector,
std::set<int64_t>* ids_set) {
DCHECK(ids_vector || ids_set);
DCHECK(!(ids_vector && ids_set));
if (!LazyOpen(kDontCreate))
return false;
static const char kSql[] =
"SELECT response_id FROM Entries WHERE cache_id = ?";
sql::Statement statement(db_->GetCachedStatement(SQL_FROM_HERE, kSql));
statement.BindInt64(0, cache_id);
while (statement.Step()) {
int64_t id = statement.ColumnInt64(0);
if (ids_set)
ids_set->insert(id);
else
ids_vector->push_back(id);
}
return statement.Succeeded();
}
void AppCacheDatabase::ReadGroupRecord(
const sql::Statement& statement, GroupRecord* record) {
record->group_id = statement.ColumnInt64(0);
record->origin = url::Origin::Create(GURL(statement.ColumnString(1)));
record->manifest_url = GURL(statement.ColumnString(2));
record->creation_time =