API: port recursor /jsonstat to json11

[thirdparty/pdns.git] / pdns / ws-auth.cc

/*
    Copyright (C) 2002 - 2015  PowerDNS.COM BV

    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License version 2
    as published by the Free Software Foundation

    Additionally, the license of this program contains a special
    exception which allows to distribute the program in binary form when
    it is linked against OpenSSL.

    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 General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "utility.hh"
#include "dynlistener.hh"
#include "ws-auth.hh"
#include "json.hh"
#include "webserver.hh"
#include "logger.hh"
#include "packetcache.hh"
#include "statbag.hh"
#include "misc.hh"
#include "arguments.hh"
#include "dns.hh"
#include "comment.hh"
#include "ueberbackend.hh"
#include <boost/format.hpp>

#include "namespaces.hh"
#include "rapidjson/document.h"
#include "rapidjson/stringbuffer.h"
#include "rapidjson/writer.h"
#include "ws-api.hh"
#include "version.hh"
#include "dnsseckeeper.hh"
#include <iomanip>
#include "zoneparser-tng.hh"
#include "common_startup.hh"


using namespace rapidjson;
using json11::Json;

extern StatBag S;

static void patchZone(HttpRequest* req, HttpResponse* resp);
static void makePtr(const DNSResourceRecord& rr, DNSResourceRecord* ptr);

AuthWebServer::AuthWebServer()
{
  d_start=time(0);
  d_min10=d_min5=d_min1=0;
  d_ws = 0;
  d_tid = 0;
  if(arg().mustDo("webserver")) {
    d_ws = new WebServer(arg()["webserver-address"], arg().asNum("webserver-port"));
    d_ws->bind();
  }
}

void AuthWebServer::go()
{
  if(arg().mustDo("webserver"))
  {
    S.doRings();
    pthread_create(&d_tid, 0, webThreadHelper, this);
    pthread_create(&d_tid, 0, statThreadHelper, this);
  }
}

void AuthWebServer::statThread()
{
  try {
    for(;;) {
      d_queries.submit(S.read("udp-queries"));
      d_cachehits.submit(S.read("packetcache-hit"));
      d_cachemisses.submit(S.read("packetcache-miss"));
      d_qcachehits.submit(S.read("query-cache-hit"));
      d_qcachemisses.submit(S.read("query-cache-miss"));
      Utility::sleep(1);
    }
  }
  catch(...) {
    L<<Logger::Error<<"Webserver statThread caught an exception, dying"<<endl;
    exit(1);
  }
}

void *AuthWebServer::statThreadHelper(void *p)
{
  AuthWebServer *self=static_cast<AuthWebServer *>(p);
  self->statThread();
  return 0; // never reached
}

void *AuthWebServer::webThreadHelper(void *p)
{
  AuthWebServer *self=static_cast<AuthWebServer *>(p);
  self->webThread();
  return 0; // never reached
}

static string htmlescape(const string &s) {
  string result;
  for(string::const_iterator it=s.begin(); it!=s.end(); ++it) {
    switch (*it) {
    case '&':
      result += "&amp;";
      break;
    case '<':
      result += "&lt;";
      break;
    case '>':
      result += "&gt;";
      break;
    case '"':
      result += "&quot;";
      break;
    default:
      result += *it;
    }
  }
  return result;
}

void printtable(ostringstream &ret, const string &ringname, const string &title, int limit=10)
{
  int tot=0;
  int entries=0;
  vector<pair <string,unsigned int> >ring=S.getRing(ringname);

  for(vector<pair<string, unsigned int> >::const_iterator i=ring.begin(); i!=ring.end();++i) {
    tot+=i->second;
    entries++;
  }

  ret<<"<div class=\"panel\">";
  ret<<"<span class=resetring><i></i><a href=\"?resetring="<<htmlescape(ringname)<<"\">Reset</a></span>"<<endl;
  ret<<"<h2>"<<title<<"</h2>"<<endl;
  ret<<"<div class=ringmeta>";
  ret<<"<a class=topXofY href=\"?ring="<<htmlescape(ringname)<<"\">Showing: Top "<<limit<<" of "<<entries<<"</a>"<<endl;
  ret<<"<span class=resizering>Resize: ";
  unsigned int sizes[]={10,100,500,1000,10000,500000,0};
  for(int i=0;sizes[i];++i) {
    if(S.getRingSize(ringname)!=sizes[i])
      ret<<"<a href=\"?resizering="<<htmlescape(ringname)<<"&amp;size="<<sizes[i]<<"\">"<<sizes[i]<<"</a> ";
    else
      ret<<"("<<sizes[i]<<") ";
  }
  ret<<"</span></div>";

  ret<<"<table class=\"data\">";
  int printed=0;
  int total=max(1,tot);
  for(vector<pair<string,unsigned int> >::const_iterator i=ring.begin();limit && i!=ring.end();++i,--limit) {
    ret<<"<tr><td>"<<htmlescape(i->first)<<"</td><td>"<<i->second<<"</td><td align=right>"<< AuthWebServer::makePercentage(i->second*100.0/total)<<"</td>"<<endl;
    printed+=i->second;
  }
  ret<<"<tr><td colspan=3></td></tr>"<<endl;
  if(printed!=tot)
    ret<<"<tr><td><b>Rest:</b></td><td><b>"<<tot-printed<<"</b></td><td align=right><b>"<< AuthWebServer::makePercentage((tot-printed)*100.0/total)<<"</b></td>"<<endl;

  ret<<"<tr><td><b>Total:</b></td><td><b>"<<tot<<"</b></td><td align=right><b>100%</b></td>";
  ret<<"</table></div>"<<endl;
}

void AuthWebServer::printvars(ostringstream &ret)
{
  ret<<"<div class=panel><h2>Variables</h2><table class=\"data\">"<<endl;

  vector<string>entries=S.getEntries();
  for(vector<string>::const_iterator i=entries.begin();i!=entries.end();++i) {
    ret<<"<tr><td>"<<*i<<"</td><td>"<<S.read(*i)<<"</td><td>"<<S.getDescrip(*i)<<"</td>"<<endl;
  }

  ret<<"</table></div>"<<endl;
}

void AuthWebServer::printargs(ostringstream &ret)
{
  ret<<"<table border=1><tr><td colspan=3 bgcolor=\"#0000ff\"><font color=\"#ffffff\">Arguments</font></td>"<<endl;

  vector<string>entries=arg().list();
  for(vector<string>::const_iterator i=entries.begin();i!=entries.end();++i) {
    ret<<"<tr><td>"<<*i<<"</td><td>"<<arg()[*i]<<"</td><td>"<<arg().getHelp(*i)<<"</td>"<<endl;
  }
}

string AuthWebServer::makePercentage(const double& val)
{
  return (boost::format("%.01f%%") % val).str();
}

void AuthWebServer::indexfunction(HttpRequest* req, HttpResponse* resp)
{
  if(!req->getvars["resetring"].empty()) {
    if (S.ringExists(req->getvars["resetring"]))
      S.resetRing(req->getvars["resetring"]);
    resp->status = 301;
    resp->headers["Location"] = req->url.path;
    return;
  }
  if(!req->getvars["resizering"].empty()){
    int size=std::stoi(req->getvars["size"]);
    if (S.ringExists(req->getvars["resizering"]) && size > 0 && size <= 500000)
      S.resizeRing(req->getvars["resizering"], std::stoi(req->getvars["size"]));
    resp->status = 301;
    resp->headers["Location"] = req->url.path;
    return;
  }

  ostringstream ret;

  ret<<"<!DOCTYPE html>"<<endl;
  ret<<"<html><head>"<<endl;
  ret<<"<title>PowerDNS Authoritative Server Monitor</title>"<<endl;
  ret<<"<link rel=\"stylesheet\" href=\"style.css\"/>"<<endl;
  ret<<"</head><body>"<<endl;

  ret<<"<div class=\"row\">"<<endl;
  ret<<"<div class=\"headl columns\">";
  ret<<"<a href=\"/\" id=\"appname\">PowerDNS "<<htmlescape(VERSION);
  if(!arg()["config-name"].empty()) {
    ret<<" ["<<htmlescape(arg()["config-name"])<<"]";
  }
  ret<<"</a></div>"<<endl;
  ret<<"<div class=\"headr columns\"></div></div>";
  ret<<"<div class=\"row\"><div class=\"all columns\">";

  time_t passed=time(0)-s_starttime;

  ret<<"<p>Uptime: "<<
    humanDuration(passed)<<
    "<br>"<<endl;

  ret<<"Queries/second, 1, 5, 10 minute averages:  "<<std::setprecision(3)<<
    d_queries.get1()<<", "<<
    d_queries.get5()<<", "<<
    d_queries.get10()<<". Max queries/second: "<<d_queries.getMax()<<
    "<br>"<<endl;

  if(d_cachemisses.get10()+d_cachehits.get10()>0)
    ret<<"Cache hitrate, 1, 5, 10 minute averages: "<<
      makePercentage((d_cachehits.get1()*100.0)/((d_cachehits.get1())+(d_cachemisses.get1())))<<", "<<
      makePercentage((d_cachehits.get5()*100.0)/((d_cachehits.get5())+(d_cachemisses.get5())))<<", "<<
      makePercentage((d_cachehits.get10()*100.0)/((d_cachehits.get10())+(d_cachemisses.get10())))<<
      "<br>"<<endl;

  if(d_qcachemisses.get10()+d_qcachehits.get10()>0)
    ret<<"Backend query cache hitrate, 1, 5, 10 minute averages: "<<std::setprecision(2)<<
      makePercentage((d_qcachehits.get1()*100.0)/((d_qcachehits.get1())+(d_qcachemisses.get1())))<<", "<<
      makePercentage((d_qcachehits.get5()*100.0)/((d_qcachehits.get5())+(d_qcachemisses.get5())))<<", "<<
      makePercentage((d_qcachehits.get10()*100.0)/((d_qcachehits.get10())+(d_qcachemisses.get10())))<<
      "<br>"<<endl;

  ret<<"Backend query load, 1, 5, 10 minute averages: "<<std::setprecision(3)<<
    d_qcachemisses.get1()<<", "<<
    d_qcachemisses.get5()<<", "<<
    d_qcachemisses.get10()<<". Max queries/second: "<<d_qcachemisses.getMax()<<
    "<br>"<<endl;

  ret<<"Total queries: "<<S.read("udp-queries")<<". Question/answer latency: "<<S.read("latency")/1000.0<<"ms</p><br>"<<endl;
  if(req->getvars["ring"].empty()) {
    vector<string>entries=S.listRings();
    for(vector<string>::const_iterator i=entries.begin();i!=entries.end();++i)
      printtable(ret,*i,S.getRingTitle(*i));

    printvars(ret);
    if(arg().mustDo("webserver-print-arguments"))
      printargs(ret);
  }
  else
    printtable(ret,req->getvars["ring"],S.getRingTitle(req->getvars["ring"]),100);

  ret<<"</div></div>"<<endl;
  ret<<"<footer class=\"row\">"<<fullVersionString()<<"<br>&copy; 2013 - 2015 <a href=\"http://www.powerdns.com/\">PowerDNS.COM BV</a>.</footer>"<<endl;
  ret<<"</body></html>"<<endl;

  resp->body = ret.str();
  resp->status = 200;
}

/** Helper to build a record content as needed. */
static inline string makeRecordContent(const QType& qtype, const string& content, bool noDot) {
  // noDot: for backend storage, pass true. for API users, pass false.
  return DNSRecordContent::mastermake(qtype.getCode(), 1, content)->getZoneRepresentation(noDot);
}

/** "Normalize" record content for API consumers. */
static inline string makeApiRecordContent(const QType& qtype, const string& content) {
  return makeRecordContent(qtype, content, false);
}

/** "Normalize" record content for backend storage. */
static inline string makeBackendRecordContent(const QType& qtype, const string& content) {
  return makeRecordContent(qtype, content, true);
}

static Json::object getZoneInfo(const DomainInfo& di) {
  DNSSECKeeper dk;
  string zoneId = apiZoneNameToId(di.zone);
  return Json::object {
    // id is the canonical lookup key, which doesn't actually match the name (in some cases)
    { "id", zoneId },
    { "url", "api/v1/servers/localhost/zones/" + zoneId },
    { "name", di.zone.toString() },
    { "kind", di.getKindString() },
    { "dnssec", dk.isSecuredZone(di.zone) },
    { "account", di.account },
    { "masters", di.masters },
    { "serial", (double)di.serial },
    { "notified_serial", (double)di.notified_serial },
    { "last_check", (double)di.last_check }
  };
}

static void fillZone(const DNSName& zonename, HttpResponse* resp) {
  UeberBackend B;
  DomainInfo di;
  if(!B.getDomainInfo(zonename, di))
    throw ApiException("Could not find domain '"+zonename.toString()+"'");

  Json::object doc = getZoneInfo(di);
  // extra stuff getZoneInfo doesn't do for us (more expensive)
  string soa_edit_api;
  di.backend->getDomainMetadataOne(zonename, "SOA-EDIT-API", soa_edit_api);
  doc["soa_edit_api"] = soa_edit_api;
  string soa_edit;
  di.backend->getDomainMetadataOne(zonename, "SOA-EDIT", soa_edit);
  doc["soa_edit"] = soa_edit;

  // fill records
  DNSResourceRecord rr;
  Json::array records;
  di.backend->list(zonename, di.id, true); // incl. disabled
  while(di.backend->get(rr)) {
    if (!rr.qtype.getCode())
      continue; // skip empty non-terminals

    records.push_back(Json::object {
      { "name", rr.qname.toString() },
      { "type", rr.qtype.getName() },
      { "ttl", (double)rr.ttl },
      { "disabled", rr.disabled },
      { "content", makeApiRecordContent(rr.qtype, rr.content) }
    });
  }
  doc["records"] = records;

  // fill comments
  Comment comment;
  Json::array comments;
  di.backend->listComments(di.id);
  while(di.backend->getComment(comment)) {
    comments.push_back(Json::object {
      { "name", comment.qname },
      { "type", comment.qtype.getName() },
      { "modified_at", (double)comment.modified_at },
      { "account", comment.account },
      { "content", comment.content }
    });
  }
  doc["comments"] = comments;

  resp->setBody(doc);
}

void productServerStatisticsFetch(map<string,string>& out)
{
  vector<string> items = S.getEntries();
  for(const string& item :  items) {
    out[item] = std::to_string(S.read(item));
  }

  // add uptime
  out["uptime"] = std::to_string(time(0) - s_starttime);
}

static void gatherRecords(const Json container, vector<DNSResourceRecord>& new_records, vector<DNSResourceRecord>& new_ptrs) {
  UeberBackend B;
  DNSResourceRecord rr;
  for(auto record : container["records"].array_items()) {
    rr.qname = apiNameToDNSName(stringFromJson(record, "name"));
    rr.qtype = stringFromJson(record, "type");
    string content = stringFromJson(record, "content");
    rr.auth = 1;
    rr.ttl = intFromJson(record, "ttl");
    rr.disabled = boolFromJson(record, "disabled");

    if (rr.qtype.getCode() == 0) {
      throw ApiException("Record "+rr.qname.toString()+"/"+stringFromJson(record, "type")+" is of unknown type");
    }

    // validate that the client sent something we can actually parse, and require that data to be dotted.
    try {
      if (rr.qtype.getCode() != QType::AAAA) {
        string tmp = makeApiRecordContent(rr.qtype, content);
        if (!pdns_iequals(tmp, content)) {
          throw std::runtime_error("Not in expected format (parsed as '"+tmp+"')");
        }
      } else {
        struct in6_addr tmpbuf;
        if (inet_pton(AF_INET6, content.c_str(), &tmpbuf) != 1 || content.find('.') != string::npos) {
          throw std::runtime_error("Invalid IPv6 address");
        }
      }
      rr.content = makeBackendRecordContent(rr.qtype, content);
    }
    catch(std::exception& e)
    {
      throw ApiException("Record "+rr.qname.toString()+"/"+rr.qtype.getName()+" '"+content+"': "+e.what());
    }

    if ((rr.qtype.getCode() == QType::A || rr.qtype.getCode() == QType::AAAA) &&
        boolFromJson(record, "set-ptr", false) == true) {
      DNSResourceRecord ptr;
      makePtr(rr, &ptr);

      // verify that there's a zone for the PTR
      DNSPacket fakePacket;
      SOAData sd;
      fakePacket.qtype = QType::PTR;
      if (!B.getAuth(&fakePacket, &sd, ptr.qname))
        throw ApiException("Could not find domain for PTR '"+ptr.qname.toString()+"' requested for '"+ptr.content+"'");

      ptr.domain_id = sd.domain_id;
      new_ptrs.push_back(ptr);
    }

    new_records.push_back(rr);
  }
}

static void gatherComments(const Json container, vector<Comment>& new_comments, bool use_name_type_from_container) {
  Comment c;
  if (use_name_type_from_container) {
    c.qname = stringFromJson(container, "name");
    c.qtype = stringFromJson(container, "type");
  }

  time_t now = time(0);
  for (auto comment : container["comments"].array_items()) {
    if (!use_name_type_from_container) {
      c.qname = stringFromJson(comment, "name");
      c.qtype = stringFromJson(comment, "type");
    }
    c.modified_at = intFromJson(comment, "modified_at", now);
    c.content = stringFromJson(comment, "content");
    c.account = stringFromJson(comment, "account");
    new_comments.push_back(c);
  }
}

static void updateDomainSettingsFromDocument(const DomainInfo& di, const DNSName& zonename, const Json document) {
  string zonemaster;
  for(auto value : document["masters"].array_items()) {
    string master = value.string_value();
    if (master.empty())
      throw ApiException("Master can not be an empty string");
    zonemaster += master + " ";
  }

  di.backend->setKind(zonename, DomainInfo::stringToKind(stringFromJson(document, "kind")));
  di.backend->setMaster(zonename, zonemaster);

  if (document["soa_edit_api"].is_string()) {
    di.backend->setDomainMetadataOne(zonename, "SOA-EDIT-API", document["soa_edit_api"].string_value());
  }
  if (document["soa_edit"].is_string()) {
    di.backend->setDomainMetadataOne(zonename, "SOA-EDIT", document["soa_edit"].string_value());
  }
  if (document["account"].is_string()) {
    di.backend->setAccount(zonename, document["account"].string_value());
  }
}

static void apiZoneCryptokeys(HttpRequest* req, HttpResponse* resp) {
  if(req->method != "GET")
    throw ApiException("Only GET is implemented");

  DNSName zonename = apiZoneIdToName(req->parameters["id"]);

  UeberBackend B;
  DomainInfo di;
  DNSSECKeeper dk;

  if(!B.getDomainInfo(zonename, di))
    throw ApiException("Could not find domain '"+zonename.toString()+"'");

  DNSSECKeeper::keyset_t keyset=dk.getKeys(zonename, boost::indeterminate, false);

  if (keyset.empty())
    throw ApiException("No keys for zone '"+zonename.toString()+"'");

  Json::array doc;
  for(const DNSSECKeeper::keyset_t::value_type value : keyset) {
    if (req->parameters.count("key_id")) {
      int keyid = std::stoi(req->parameters["key_id"]);
      int curid = value.second.id;
      if (keyid != curid)
        continue;
    }

    Json::object key {
      { "type", "Cryptokey" },
      { "id", (int)value.second.id },
      { "active", value.second.active },
      { "keytype", value.second.keyOrZone ? "ksk" : "zsk" },
      { "dnskey", value.first.getDNSKEY().getZoneRepresentation() }
    };

    if (req->parameters.count("key_id")) {
      DNSSECPrivateKey dpk=dk.getKeyById(zonename, std::stoi(req->parameters["key_id"]));
      key["content"] = dpk.getKey()->convertToISC();
    }

    if (value.second.keyOrZone) {
      Json::array dses;
      for(const int keyid : { 1, 2, 3, 4 })
      try {
        dses.push_back(makeDSFromDNSKey(zonename, value.first.getDNSKEY(), keyid).getZoneRepresentation());
      } catch (...) {}
      key["ds"] = dses;
    }
    doc.push_back(key);
  }

  resp->setBody(doc);
}

static void gatherRecordsFromZone(const std::string& zonestring, vector<DNSResourceRecord>& new_records, DNSName zonename) {
  DNSResourceRecord rr;
  vector<string> zonedata;
  stringtok(zonedata, zonestring, "\r\n");

  ZoneParserTNG zpt(zonedata, zonename);

  bool seenSOA=false;

  string comment = "Imported via the API";

  try {
    while(zpt.get(rr, &comment)) {
      if(seenSOA && rr.qtype.getCode() == QType::SOA)
        continue;
      if(rr.qtype.getCode() == QType::SOA)
        seenSOA=true;

      new_records.push_back(rr);
    }
  }
  catch(std::exception& ae) {
    throw ApiException("An error occured while parsing the zonedata: "+string(ae.what()));
  }
}

static void apiServerZones(HttpRequest* req, HttpResponse* resp) {
  UeberBackend B;
  DNSSECKeeper dk;
  if (req->method == "POST" && !::arg().mustDo("api-readonly")) {
    DomainInfo di;
    auto document = req->json();
    DNSName zonename = apiNameToDNSName(stringFromJson(document, "name"));
    apiCheckNameAllowedCharacters(zonename.toString());

    string zonestring = document["zone"].string_value();

    bool exists = B.getDomainInfo(zonename, di);
    if(exists)
      throw ApiException("Domain '"+zonename.toString()+"' already exists");

    // validate 'kind' is set
    DomainInfo::DomainKind zonekind = DomainInfo::stringToKind(stringFromJson(document, "kind"));

    auto records = document["records"];
    if (records.is_array() && zonestring != "")
      throw ApiException("You cannot give zonedata AND records");

    auto nameservers = document["nameservers"];
    if (!nameservers.is_array() && zonekind != DomainInfo::Slave)
      throw ApiException("Nameservers list must be given (but can be empty if NS records are supplied)");

    string soa_edit_api_kind;
    if (document["soa_edit_api"].is_string()) {
      soa_edit_api_kind = document["soa_edit_api"].string_value();
    }
    else {
      soa_edit_api_kind = "DEFAULT";
    }
    string soa_edit_kind = document["soa_edit"].string_value();

    // if records/comments are given, load and check them
    bool have_soa = false;
    vector<DNSResourceRecord> new_records;
    vector<Comment> new_comments;
    vector<DNSResourceRecord> new_ptrs;

    if (records.is_array()) {
      gatherRecords(document, new_records, new_ptrs);
    } else if (zonestring != "") {
      gatherRecordsFromZone(zonestring, new_records, zonename);
    }

    gatherComments(document, new_comments, false);

    for(auto& rr : new_records) {
      if (!rr.qname.isPartOf(zonename) && rr.qname != zonename)
        throw ApiException("RRset "+rr.qname.toString()+" IN "+rr.qtype.getName()+": Name is out of zone");
      apiCheckNameAllowedCharacters(rr.qname.toString());

      if (rr.qtype.getCode() == QType::SOA && rr.qname==zonename) {
        have_soa = true;
        increaseSOARecord(rr, soa_edit_api_kind, soa_edit_kind);
        // fixup dots after serializeSOAData/increaseSOARecord
        rr.content = makeBackendRecordContent(rr.qtype, rr.content);
      }
    }

    // synthesize RRs as needed
    DNSResourceRecord autorr;
    autorr.qname = zonename;
    autorr.auth = 1;
    autorr.ttl = ::arg().asNum("default-ttl");

    if (!have_soa && zonekind != DomainInfo::Slave) {
      // synthesize a SOA record so the zone "really" exists
      string soa = (boost::format("%s %s %lu")
        % ::arg()["default-soa-name"]
        % (::arg().isEmpty("default-soa-mail") ? (DNSName("hostmaster.") + zonename).toString() : ::arg()["default-soa-mail"])
        % document["serial"].int_value()
      ).str();
      SOAData sd;
      fillSOAData(soa, sd);  // fills out default values for us
      autorr.qtype = "SOA";
      autorr.content = serializeSOAData(sd);
      increaseSOARecord(autorr, soa_edit_api_kind, soa_edit_kind);
      // fixup dots after serializeSOAData/increaseSOARecord
      autorr.content = makeBackendRecordContent(autorr.qtype, autorr.content);
      new_records.push_back(autorr);
    }

    // create NS records if nameservers are given
    for (auto value : nameservers.array_items()) {
      string nameserver = value.string_value();
      if (nameserver.empty())
        throw ApiException("Nameservers must be non-empty strings");
      if (!isCanonical(nameserver))
        throw ApiException("Nameserver is not canonical: '" + nameserver + "'");
      try {
        // ensure the name parses
        autorr.content = DNSName(nameserver).toStringNoDot();
      } catch (...) {
        throw ApiException("Unable to parse DNS Name for NS '" + nameserver + "'");
      }
      autorr.qtype = "NS";
      new_records.push_back(autorr);
    }

    // no going back after this
    if(!B.createDomain(zonename))
      throw ApiException("Creating domain '"+zonename.toString()+"' failed");

    if(!B.getDomainInfo(zonename, di))
      throw ApiException("Creating domain '"+zonename.toString()+"' failed: lookup of domain ID failed");

    di.backend->startTransaction(zonename, di.id);

    for(auto rr : new_records) {
      rr.domain_id = di.id;
      di.backend->feedRecord(rr);
    }
    for(Comment& c : new_comments) {
      c.domain_id = di.id;
      di.backend->feedComment(c);
    }

    updateDomainSettingsFromDocument(di, zonename, document);

    di.backend->commitTransaction();

    fillZone(zonename, resp);
    resp->status = 201;
    return;
  }

  if(req->method != "GET")
    throw HttpMethodNotAllowedException();

  vector<DomainInfo> domains;
  B.getAllDomains(&domains, true); // incl. disabled

  Json::array doc;
  for(const DomainInfo& di : domains) {
    doc.push_back(getZoneInfo(di));
  }
  resp->setBody(doc);
}

static void apiServerZoneDetail(HttpRequest* req, HttpResponse* resp) {
  DNSName zonename = apiZoneIdToName(req->parameters["id"]);

  if(req->method == "PUT" && !::arg().mustDo("api-readonly")) {
    // update domain settings
    UeberBackend B;
    DomainInfo di;
    if(!B.getDomainInfo(zonename, di))
      throw ApiException("Could not find domain '"+zonename.toString()+"'");

    updateDomainSettingsFromDocument(di, zonename, req->json());

    fillZone(zonename, resp);
    return;
  }
  else if(req->method == "DELETE" && !::arg().mustDo("api-readonly")) {
    // delete domain
    UeberBackend B;
    DomainInfo di;
    if(!B.getDomainInfo(zonename, di))
      throw ApiException("Could not find domain '"+zonename.toString()+"'");

    if(!di.backend->deleteDomain(zonename))
      throw ApiException("Deleting domain '"+zonename.toString()+"' failed: backend delete failed/unsupported");

    // empty body on success
    resp->body = "";
    resp->status = 204; // No Content: declare that the zone is gone now
    return;
  } else if (req->method == "PATCH" && !::arg().mustDo("api-readonly")) {
    patchZone(req, resp);
    return;
  } else if (req->method == "GET") {
    fillZone(zonename, resp);
    return;
  }

  throw HttpMethodNotAllowedException();
}

static void apiServerZoneExport(HttpRequest* req, HttpResponse* resp) {
  DNSName zonename = apiZoneIdToName(req->parameters["id"]);

  if(req->method != "GET")
    throw HttpMethodNotAllowedException();

  ostringstream ss;

  UeberBackend B;
  DomainInfo di;
  if(!B.getDomainInfo(zonename, di))
    throw ApiException("Could not find domain '"+zonename.toString()+"'");

  DNSResourceRecord rr;
  SOAData sd;
  di.backend->list(zonename, di.id);
  while(di.backend->get(rr)) {
    if (!rr.qtype.getCode())
      continue; // skip empty non-terminals

    ss <<
      rr.qname.toString() << "\t" <<
      rr.ttl << "\t" <<
      rr.qtype.getName() << "\t" <<
      makeApiRecordContent(rr.qtype, rr.content) <<
      endl;
  }

  if (req->accept_json) {
    resp->setBody(Json::object { { "zone", ss.str() } });
  } else {
    resp->headers["Content-Type"] = "text/plain; charset=us-ascii";
    resp->body = ss.str();
  }
}

static void apiServerZoneAxfrRetrieve(HttpRequest* req, HttpResponse* resp) {
  DNSName zonename = apiZoneIdToName(req->parameters["id"]);

  if(req->method != "PUT")
    throw HttpMethodNotAllowedException();

  UeberBackend B;
  DomainInfo di;
  if(!B.getDomainInfo(zonename, di))
    throw ApiException("Could not find domain '"+zonename.toString()+"'");

  if(di.masters.empty())
    throw ApiException("Domain '"+zonename.toString()+"' is not a slave domain (or has no master defined)");

  random_shuffle(di.masters.begin(), di.masters.end());
  Communicator.addSuckRequest(zonename, di.masters.front());
  resp->body = returnJsonMessage("Added retrieval request for '"+zonename.toString()+"' from master "+di.masters.front());
}

static void apiServerZoneNotify(HttpRequest* req, HttpResponse* resp) {
  DNSName zonename = apiZoneIdToName(req->parameters["id"]);

  if(req->method != "PUT")
    throw HttpMethodNotAllowedException();

  UeberBackend B;
  DomainInfo di;
  if(!B.getDomainInfo(zonename, di))
    throw ApiException("Could not find domain '"+zonename.toString()+"'");

  if(!Communicator.notifyDomain(zonename))
    throw ApiException("Failed to add to the queue - see server log");

  resp->body = returnJsonMessage("Notification queued");
}

static void makePtr(const DNSResourceRecord& rr, DNSResourceRecord* ptr) {
  if (rr.qtype.getCode() == QType::A) {
    uint32_t ip;
    if (!IpToU32(rr.content, &ip)) {
      throw ApiException("PTR: Invalid IP address given");
    }
    ptr->qname = DNSName((boost::format("%u.%u.%u.%u.in-addr.arpa.")
                  % ((ip >> 24) & 0xff)
                  % ((ip >> 16) & 0xff)
                  % ((ip >>  8) & 0xff)
                  % ((ip      ) & 0xff)
                         ).str());
  } else if (rr.qtype.getCode() == QType::AAAA) {
    ComboAddress ca(rr.content);
    char buf[3];
    ostringstream ss;
    for (int octet = 0; octet < 16; ++octet) {
      if (snprintf(buf, sizeof(buf), "%02x", ca.sin6.sin6_addr.s6_addr[octet]) != (sizeof(buf)-1)) {
        // this should be impossible: no byte should give more than two digits in hex format
        throw PDNSException("Formatting IPv6 address failed");
      }
      ss << buf[0] << '.' << buf[1] << '.';
    }
    string tmp = ss.str();
    tmp.resize(tmp.size()-1); // remove last dot
    // reverse and append arpa domain
    ptr->qname = DNSName(string(tmp.rbegin(), tmp.rend())) + DNSName("ip6.arpa.");
  } else {
    throw ApiException("Unsupported PTR source '" + rr.qname.toString() + "' type '" + rr.qtype.getName() + "'");
  }

  ptr->qtype = "PTR";
  ptr->ttl = rr.ttl;
  ptr->disabled = rr.disabled;
  ptr->content = rr.qname.toString();
}

static void patchZone(HttpRequest* req, HttpResponse* resp) {
  UeberBackend B;
  DomainInfo di;
  DNSName zonename = apiZoneIdToName(req->parameters["id"]);
  if (!B.getDomainInfo(zonename, di))
    throw ApiException("Could not find domain '"+zonename.toString()+"'");

  vector<DNSResourceRecord> new_records;
  vector<Comment> new_comments;
  vector<DNSResourceRecord> new_ptrs;

  Json document = req->json();

  auto rrsets = document["rrsets"];
  if (!rrsets.is_array())
    throw ApiException("No rrsets given in update request");

  di.backend->startTransaction(zonename);

  try {
    string soa_edit_api_kind;
    string soa_edit_kind;
    di.backend->getDomainMetadataOne(zonename, "SOA-EDIT-API", soa_edit_api_kind);
    di.backend->getDomainMetadataOne(zonename, "SOA-EDIT", soa_edit_kind);
    bool soa_edit_done = false;

    for (auto rrset : rrsets.array_items()) {
      string changetype;
      QType qtype;
      DNSName qname = apiNameToDNSName(stringFromJson(rrset, "name"));
      apiCheckNameAllowedCharacters(qname.toString());
      qtype = stringFromJson(rrset, "type");
      changetype = toUpper(stringFromJson(rrset, "changetype"));

      if (changetype == "DELETE") {
        // delete all matching qname/qtype RRs (and, implictly comments).
        if (!di.backend->replaceRRSet(di.id, qname, qtype, vector<DNSResourceRecord>())) {
          throw ApiException("Hosting backend does not support editing records.");
        }
      }
      else if (changetype == "REPLACE") {
        // we only validate for REPLACE, as DELETE can be used to "fix" out of zone records.
        if (!qname.isPartOf(zonename) && qname != zonename)
          throw ApiException("RRset "+qname.toString()+" IN "+qtype.getName()+": Name is out of zone");

        new_records.clear();
        new_comments.clear();
        // new_ptrs is merged
        gatherRecords(rrset, new_records, new_ptrs);
        gatherComments(rrset, new_comments, true);

        for(DNSResourceRecord& rr :  new_records) {
          rr.domain_id = di.id;

          if (rr.qname != qname || rr.qtype != qtype)
            throw ApiException("Record "+rr.qname.toString()+"/"+rr.qtype.getName()+" "+rr.content+": Record wrongly bundled with RRset " + qname.toString() + "/" + qtype.getName());

          if (rr.qtype.getCode() == QType::SOA && rr.qname==zonename) {
            soa_edit_done = increaseSOARecord(rr, soa_edit_api_kind, soa_edit_kind);
            rr.content = makeBackendRecordContent(rr.qtype, rr.content);
          }
        }

        for(Comment& c :  new_comments) {
          c.domain_id = di.id;
        }

        bool replace_records = rrset["records"].is_array();
        bool replace_comments = rrset["comments"].is_array();

        if (!replace_records && !replace_comments) {
          throw ApiException("No change for RRset " + qname.toString() + "/" + qtype.getName());
        }

        if (replace_records) {
          if (!di.backend->replaceRRSet(di.id, qname, qtype, new_records)) {
            throw ApiException("Hosting backend does not support editing records.");
          }
        }
        if (replace_comments) {
          if (!di.backend->replaceComments(di.id, qname, qtype, new_comments)) {
            throw ApiException("Hosting backend does not support editing comments.");
          }
        }
      }
      else
        throw ApiException("Changetype not understood");
    }

    // edit SOA (if needed)
    if (!soa_edit_api_kind.empty() && !soa_edit_done) {
      SOAData sd;
      if (!B.getSOA(zonename, sd))
        throw ApiException("No SOA found for domain '"+zonename.toString()+"'");

      DNSResourceRecord rr;
      rr.qname = zonename;
      rr.content = serializeSOAData(sd);
      rr.qtype = "SOA";
      rr.domain_id = di.id;
      rr.auth = 1;
      rr.ttl = sd.ttl;
      increaseSOARecord(rr, soa_edit_api_kind, soa_edit_kind);
      // fixup dots after serializeSOAData/increaseSOARecord
      rr.content = makeBackendRecordContent(rr.qtype, rr.content);

      if (!di.backend->replaceRRSet(di.id, rr.qname, rr.qtype, vector<DNSResourceRecord>(1, rr))) {
        throw ApiException("Hosting backend does not support editing records.");
      }
    }

  } catch(...) {
    di.backend->abortTransaction();
    throw;
  }
  di.backend->commitTransaction();

  extern PacketCache PC;
  PC.purgeExact(zonename);

  // now the PTRs
  for(const DNSResourceRecord& rr :  new_ptrs) {
    DNSPacket fakePacket;
    SOAData sd;
    sd.db = (DNSBackend *)-1;  // getAuth() cache bypass
    fakePacket.qtype = QType::PTR;

    if (!B.getAuth(&fakePacket, &sd, rr.qname))
      throw ApiException("Could not find domain for PTR '"+rr.qname.toString()+"' requested for '"+rr.content+"' (while saving)");

    sd.db->startTransaction(rr.qname);
    if (!sd.db->replaceRRSet(sd.domain_id, rr.qname, rr.qtype, vector<DNSResourceRecord>(1, rr))) {
      sd.db->abortTransaction();
      throw ApiException("PTR-Hosting backend for "+rr.qname.toString()+"/"+rr.qtype.getName()+" does not support editing records.");
    }
    sd.db->commitTransaction();
    PC.purgeExact(rr.qname);
  }

  // success
  fillZone(zonename, resp);
}

static void apiServerSearchData(HttpRequest* req, HttpResponse* resp) {
  if(req->method != "GET")
    throw HttpMethodNotAllowedException();

  string q = req->getvars["q"];
  string sMax = req->getvars["max"];
  int maxEnts = 100;
  int ents = 0;

  if (q.empty())
    throw ApiException("Query q can't be blank");
  if (sMax.empty() == false)
    maxEnts = std::stoi(sMax);
  if (maxEnts < 1)
    throw ApiException("Maximum entries must be larger than 0");

  SimpleMatch sm(q,true);
  UeberBackend B;
  vector<DomainInfo> domains;
  vector<DNSResourceRecord> result_rr;
  vector<Comment> result_c;
  map<int,DomainInfo> zoneIdZone;
  map<int,DomainInfo>::iterator val;
  Json::array doc;

  B.getAllDomains(&domains, true);

  for(const DomainInfo di: domains)
  {
    if (ents < maxEnts && sm.match(di.zone)) {
      doc.push_back(Json::object {
        { "object_type", "zone" },
        { "zone_id", apiZoneNameToId(di.zone) },
        { "name", di.zone.toString() }
      });
      ents++;
    }
    zoneIdZone[di.id] = di; // populate cache
  }

  if (B.searchRecords(q, maxEnts, result_rr))
  {
    for(const DNSResourceRecord& rr: result_rr)
    {
      auto object = Json::object {
        { "object_type", "record" },
        { "name", rr.qname.toString() },
        { "type", rr.qtype.getName() },
        { "ttl", (double)rr.ttl },
        { "disabled", rr.disabled },
        { "content", makeApiRecordContent(rr.qtype, rr.content) }
      };
      if ((val = zoneIdZone.find(rr.domain_id)) != zoneIdZone.end()) {
        object["zone_id"] = apiZoneNameToId(val->second.zone);
        object["zone"] = val->second.zone.toString();
      }
      doc.push_back(object);
    }
  }

  if (B.searchComments(q, maxEnts, result_c))
  {
    for(const Comment &c: result_c)
    {
      auto object = Json::object {
        { "object_type", "comment" },
        { "name", c.qname },
        { "content", c.content }
      };
      if ((val = zoneIdZone.find(c.domain_id)) != zoneIdZone.end()) {
        object["zone_id"] = apiZoneNameToId(val->second.zone);
        object["zone"] = val->second.zone.toString();
      }
      doc.push_back(object);
    }
  }

  resp->setBody(doc);
}

void apiServerCacheFlush(HttpRequest* req, HttpResponse* resp) {
  if(req->method != "PUT")
    throw HttpMethodNotAllowedException();

  DNSName canon = apiNameToDNSName(req->getvars["domain"]);

  extern PacketCache PC;
  int count = PC.purgeExact(canon);

  map<string, string> object;
  object["count"] = std::to_string(count);
  object["result"] = "Flushed cache.";
  resp->body = returnJsonObject(object);
}

void AuthWebServer::cssfunction(HttpRequest* req, HttpResponse* resp)
{
  resp->headers["Cache-Control"] = "max-age=86400";
  resp->headers["Content-Type"] = "text/css";

  ostringstream ret;
  ret<<"* { box-sizing: border-box; margin: 0; padding: 0; }"<<endl;
  ret<<"body { color: black; background: white; margin-top: 1em; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 10pt; position: relative; }"<<endl;
  ret<<"a { color: #0959c2; }"<<endl;
  ret<<"a:hover { color: #3B8EC8; }"<<endl;
  ret<<".row { width: 940px; max-width: 100%; min-width: 768px; margin: 0 auto; }"<<endl;
  ret<<".row:before, .row:after { display: table; content:\" \"; }"<<endl;
  ret<<".row:after { clear: both; }"<<endl;
  ret<<".columns { position: relative; min-height: 1px; float: left; }"<<endl;
  ret<<".all { width: 100%; }"<<endl;
  ret<<".headl { width: 60%; }"<<endl;
  ret<<".headr { width: 39.5%; float: right; background-repeat: no-repeat; margin-top: 7px; ";
  ret<<"background-image: url(data:image/png;base64,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);";
  ret<<" width: 154px; height: 20px; }"<<endl;
  ret<<"a#appname { margin: 0; font-size: 27px; color: #666; text-decoration: none; font-weight: bold; display: block; }"<<endl;
  ret<<"footer { border-top:  1px solid #ddd; padding-top: 4px; font-size: 12px; }"<<endl;
  ret<<"footer.row { margin-top: 1em; margin-bottom: 1em; }"<<endl;
  ret<<".panel { background: #f2f2f2; border: 1px solid #e6e6e6; margin: 0 0 22px 0; padding: 20px; }"<<endl;
  ret<<"table.data { width: 100%; border-spacing: 0; border-top: 1px solid #333; }"<<endl;
  ret<<"table.data td { border-bottom: 1px solid #333; padding: 2px; }"<<endl;
  ret<<"table.data tr:nth-child(2n) { background: #e2e2e2; }"<<endl;
  ret<<"table.data tr:hover { background: white; }"<<endl;
  ret<<".ringmeta { margin-bottom: 5px; }"<<endl;
  ret<<".resetring {float: right; }"<<endl;
  ret<<".resetring i { background-image: url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAoAAAAKCAYAAACNMs+9AAAA/klEQVQY01XPP04UUBgE8N/33vd2XZUWEuzYuMZEG4KFCQn2NhA4AIewAOMBPIG2xhNYeAcKGqkNCdmYlVBZGBIT4FHsbuE0U8xk/kAbqm9TOfI/nicfhmwgDNhvylUT58kxCp4l31L8SfH9IetJ2ev6PwyIwyZWsdb11/gbTK55Co+r8rmJaRPTFJcpZil+pTit7C5awMpA+Zpi1sRFE9MqflYOloYCjY2uP8EdYiGU4CVGUBubxKfOOLjrtOBmzvEilbVb/aQWvhRl0unBZVXe4XdnK+bprwqnhoyTsyZ+JG8Wk0apfExxlcp7PFruXH8gdxamWB4cyW2sIO4BG3czIp78jUIAAAAASUVORK5CYII=); width: 10px; height: 10px; margin-right: 2px; display: inline-block; background-repeat: no-repeat; }"<<endl;
  ret<<".resetring:hover i { background-image: url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAoAAAAKCAYAAACNMs+9AAAA2ElEQVQY013PMUoDcRDF4c+kEzxCsNNCrBQvIGhnlcYm11EkBxAraw8gglgIoiJpAoKIYlBcgrgopsma3c3fwt1k9cHA480M8xvQp/nMjorOWY5ov7IAYlpjQk7aYxcuWBpwFQgJnUcaYk7GhEDIGL5w+MVpKLIRyR2b4JOjvGhUKzHTv2W7iuSN479Dvu9plf1awbQ6y3x1sU5tjpVJcMbakF6Ycoas8Dl5xEHJ160wRdfqzXfa6XQ4PLDlicWUjxHxZfndL/N+RhiwNzl/Q6PDhn/qsl76H7prcApk2B1aAAAAAElFTkSuQmCC);}"<<endl;
  ret<<".resizering {float: right;}"<<endl;
  resp->body = ret.str();
  resp->status = 200;
}

void AuthWebServer::webThread()
{
  try {
    if(::arg().mustDo("api")) {
      d_ws->registerApiHandler("/api/v1/servers/localhost/cache/flush", &apiServerCacheFlush);
      d_ws->registerApiHandler("/api/v1/servers/localhost/config", &apiServerConfig);
      d_ws->registerApiHandler("/api/v1/servers/localhost/search-log", &apiServerSearchLog);
      d_ws->registerApiHandler("/api/v1/servers/localhost/search-data", &apiServerSearchData);
      d_ws->registerApiHandler("/api/v1/servers/localhost/statistics", &apiServerStatistics);
      d_ws->registerApiHandler("/api/v1/servers/localhost/zones/<id>/axfr-retrieve", &apiServerZoneAxfrRetrieve);
      d_ws->registerApiHandler("/api/v1/servers/localhost/zones/<id>/cryptokeys/<key_id>", &apiZoneCryptokeys);
      d_ws->registerApiHandler("/api/v1/servers/localhost/zones/<id>/cryptokeys", &apiZoneCryptokeys);
      d_ws->registerApiHandler("/api/v1/servers/localhost/zones/<id>/export", &apiServerZoneExport);
      d_ws->registerApiHandler("/api/v1/servers/localhost/zones/<id>/notify", &apiServerZoneNotify);
      d_ws->registerApiHandler("/api/v1/servers/localhost/zones/<id>", &apiServerZoneDetail);
      d_ws->registerApiHandler("/api/v1/servers/localhost/zones", &apiServerZones);
      d_ws->registerApiHandler("/api/v1/servers/localhost", &apiServerDetail);
      d_ws->registerApiHandler("/api/v1/servers", &apiServer);
    }
    d_ws->registerWebHandler("/style.css", boost::bind(&AuthWebServer::cssfunction, this, _1, _2));
    d_ws->registerWebHandler("/", boost::bind(&AuthWebServer::indexfunction, this, _1, _2));
    d_ws->go();
  }
  catch(...) {
    L<<Logger::Error<<"AuthWebServer thread caught an exception, dying"<<endl;
    exit(1);
  }
}