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// namespace_string.cpp
/**
* Copyright (C) 2014 MongoDB Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* As a special exception, the copyright holders give permission to link the
* code of portions of this program with the OpenSSL library under certain
* conditions as described in each individual source file and distribute
* linked combinations including the program with the OpenSSL library. You
* must comply with the GNU Affero General Public License in all respects for
* all of the code used other than as permitted herein. If you modify file(s)
* with this exception, you may extend this exception to your version of the
* file(s), but you are not obligated to do so. If you do not wish to do so,
* delete this exception statement from your version. If you delete this
* exception statement from all source files in the program, then also delete
* it in the license file.
*/
#include "mongo/db/namespace_string.h"
namespace mongo {
using std::string;
/* A map of characters to escape. Instead of printing certain characters we output
* based on the following table.
*/
static const std::string escapeTable[256] = {
".00", ".01", ".02", ".03", ".04", ".05", ".06", ".07", ".08", ".09",
".10", ".11", ".12", ".13", ".14", ".15", ".16", ".17", ".18", ".19",
".20", ".21", ".22", ".23", ".24", ".25", ".26", ".27", ".28", ".29",
".30", ".31", ".32", ".33", ".34", ".35", ".36", ".37", ".38", ".39",
".40", ".41", ".42", ".43", ".44", ".45", ".", ".47", "0", "1",
"2", "3", "4", "5", "6", "7", "8", "9", ".58", ".59",
".60", ".61", ".62", ".63", ".64", "A", "B", "C", "D", "E",
"F", "G", "H", "I", "J", "K", "L", "M", "N", "O",
"P", "Q", "R", "S", "T", "U", "V", "W", "X", "Y",
"Z", ".91", ".92", ".93", ".94", "_", ".96", "a", "b", "c",
"d", "e", "f", "g", "h", "i", "j", "k", "l", "m",
"n", "o", "p", "q", "r", "s", "t", "u", "v", "w",
"x", "y", "z", ".123", ".124", ".125", ".126", ".127", ".128", ".129",
".130", ".131", ".132", ".133", ".134", ".135", ".136", ".137", ".138", ".139",
".140", ".141", ".142", ".143", ".144", ".145", ".146", ".147", ".148", ".149",
".150", ".151", ".152", ".153", ".154", ".155", ".156", ".157", ".158", ".159",
".160", ".161", ".162", ".163", ".164", ".165", ".166", ".167", ".168", ".169",
".170", ".171", ".172", ".173", ".174", ".175", ".176", ".177", ".178", ".179",
".180", ".181", ".182", ".183", ".184", ".185", ".186", ".187", ".188", ".189",
".190", ".191", ".192", ".193", ".194", ".195", ".196", ".197", ".198", ".199",
".200", ".201", ".202", ".203", ".204", ".205", ".206", ".207", ".208", ".209",
".210", ".211", ".212", ".213", ".214", ".215", ".216", ".217", ".218", ".219",
".220", ".221", ".222", ".223", ".224", ".225", ".226", ".227", ".228", ".229",
".230", ".231", ".232", ".233", ".234", ".235", ".236", ".237", ".238", ".239",
".240", ".241", ".242", ".243", ".244", ".245", ".246", ".247", ".248", ".249",
".250", ".251", ".252", ".253", ".254", ".255"
};
bool legalClientSystemNS( StringData ns , bool write ) {
if( ns == "local.system.replset" ) return true;
if ( ns.find( ".system.users" ) != string::npos )
return true;
if ( ns == "admin.system.roles" ) return true;
if ( ns == "admin.system.version" ) return true;
if ( ns == "admin.system.new_users" ) return true;
if ( ns == "admin.system.backup_users" ) return true;
if ( ns.find( ".system.js" ) != string::npos ) return true;
return false;
}
bool NamespaceString::isListCollectionsGetMore() const {
return coll() == StringData("$cmd.listCollections", StringData::LiteralTag());
}
namespace {
const StringData listIndexesGetMoreNSPrefix("$cmd.listIndexes.", StringData::LiteralTag());
} // namespace
bool NamespaceString::isListIndexesGetMore() const {
return coll().size() > listIndexesGetMoreNSPrefix.size() &&
coll().startsWith(listIndexesGetMoreNSPrefix);
}
NamespaceString NamespaceString::getTargetNSForListIndexesGetMore() const {
dassert(isListIndexesGetMore());
return NamespaceString(db(), coll().substr(listIndexesGetMoreNSPrefix.size()));
}
string NamespaceString::escapeDbName( const StringData dbname ) {
std::string escapedDbName;
// pre-alloc the return string as it will always be the same as dbname at a minimum.
escapedDbName.reserve(dbname.size());
for (unsigned char c : dbname) {
escapedDbName += escapeTable[c];
}
return escapedDbName;
}
}
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