//--- Constructor ---
internal DekiInstance(DekiWikiService deki, string id, XDoc instanceConfig, ILicenseController licenseController)
{
if (deki == null)
{
throw new ArgumentNullException("deki");
}
if (string.IsNullOrEmpty(id))
{
throw new ArgumentNullException("id");
}
this.Id = id;
// Note (arnec): this is now the the third place we define a wikiid based logger repository, however constructors interdependencies
// currently neccessitates this duplication, and fortunately it is mostly an aesthetic issue.
_loggerRepository = new ContextLoggerRepository("[" + Id + "] ");
_log = _loggerRepository.Get(GetType());
this.TimerFactory = TaskTimerFactory.Create(this);
this.Cache = new DreamCache(TimerFactory);
var cacheFactory = new InMemoryKeyValueCacheFactory(TimerFactory);
var searchSerializer = new SearchSerializer();
cacheFactory.SetSerializer <SearchResult>(searchSerializer);
cacheFactory.SetSerializer <SearchResultDetail>(searchSerializer);
this.SearchCache = cacheFactory.Create();
this.Config = instanceConfig;
_licenseController = licenseController;
this.Log = LogManager.GetLogger(deki.GetType().Name + "_" + id);
_deki = deki;
_status = DekiInstanceStatus.CREATED;
_apiKey = Config[ConfigBL.SECURITY_APIKEY].AsText;
foreach (XDoc hostDoc in Config["host"])
{
string host = hostDoc.Contents;
if (!StringUtil.EqualsInvariantIgnoreCase(host, "*"))
{
string port = hostDoc["@port"].AsText;
string scheme = hostDoc["@https"].AsBool.GetValueOrDefault() ? "https://" : "http://";
string uri = scheme + host + (string.IsNullOrEmpty(port) ? "" : ":" + port);
_canonicalUri = new XUri(uri);
_log.DebugFormat("divined canonical use from hosts as {0}", _canonicalUri);
break;
}
}
if (_canonicalUri == null)
{
// Note (arnec): this is a best guess fallback. It will only work in these scenarios:
// a) The host was set up with a uri.public that has ends in @api and with the @api points to the site uri, or
// b) The api lives on the same machine as the site, so that deriving uri.public for the host from the machine
// IP happens to point to the same machine
// Either way it relies on the hard-coded assumption that the api is accessible via {site}/@api
_canonicalUri = DreamContext.Current.ServerUri;
if (_canonicalUri.LastSegment.EqualsInvariantIgnoreCase("@api"))
{
_canonicalUri = _canonicalUri.WithoutLastSegment();
}
_log.DebugFormat("using server uri as canonical uri: {0}", _canonicalUri);
}
else
{
// Note (arnec): Propagating a much hard-coded assumption, i.e. that the Api for any Deki instance can be accessed
// at the instances' canonical uri plus @api
// register the api uri with the dream host so that requests originating from within Dream are guaranteed to be locally routed
_deki.Env.At("status", "aliases").Post(new XDoc("aliases").Elem("uri.alias", _canonicalUri.At("@api")), new Result <DreamMessage>());
}
}
/// <summary>
/// Calls methods to perform initial init of a wiki instance including db updates, etc
/// </summary>
public void Startup(DekiContext context)
{
if (context == null)
{
throw new ArgumentNullException("context");
}
if (_status != DekiInstanceStatus.CREATED)
{
throw new InvalidOperationException("bad state");
}
_status = DekiInstanceStatus.INITIALIZING;
// run startup code
try {
// have to initialize the event sink first since because license checking might trigger a license transition event
_eventSink = new DekiChangeSink(Id, DekiContext.Current.ApiUri, DekiContext.Current.Deki.PubSub.At("publish").WithCookieJar(DekiContext.Current.Deki.Cookies));
// create the IDekiDataSessionFactory for this instance
Type typeMySql = Type.GetType("MindTouch.Deki.Data.MySql.MySqlDekiDataSessionFactory, mindtouch.deki.data.mysql", true);
Type typeCaching = null;
try {
typeCaching = Type.GetType("MindTouch.Deki.Data.Caching.CachingDekiDataSessionFactory, mindtouch.data.caching", false);
} catch (Exception x) {
Log.Warn("The caching library was found but could not be loaded. Check that its version matches the version of your MindTouch API", x);
}
// FUN FACT: DekiInstanceSettings is a proxy for the static calls in ConfigBL, which expects to access DbUtils.CurrentSession,
// which has to be initialized by the session factory.. Yes, the very session factory that takes DekiInstanceSettings as part
// of its initialization call. I call it the M.C.Escher Design Pattern.
var sessionFactory = (IDekiDataSessionFactory)typeMySql.GetConstructor(Type.EmptyTypes).Invoke(null);
sessionFactory = new LoggingDekiDataSessionFactory(sessionFactory);
sessionFactory = new DekiDataSessionProfilerFactory(sessionFactory);
if (typeCaching != null)
{
sessionFactory = (IDekiDataSessionFactory)typeCaching.GetConstructor(new[] { typeof(IDekiDataSessionFactory) }).Invoke(new object[] { sessionFactory });
}
_sessionFactory = sessionFactory;
_sessionFactory.Initialize(Config ?? _deki.Config, _licenseController.LicenseDoc, new DekiInstanceSettings());
var state = context.LicenseManager.LicenseState;
if (state == LicenseStateType.UNDEFINED)
{
throw new MindTouchInvalidLicenseStateException();
}
// set deki license token
_token = context.LicenseManager.LicenseDocument["licensee/deki"].AsText;
if (string.IsNullOrEmpty(_token))
{
// compute deki license token
var tokenKey = _apiKey ?? _deki.MasterApiKey;
ulong folded_productkey_md5 = 0;
byte[] md5_bytes = StringUtil.ComputeHash(tokenKey, Encoding.UTF8);
for (int i = 0; i < md5_bytes.Length; ++i)
{
folded_productkey_md5 ^= (ulong)md5_bytes[i] << (i & 7) * 8;
}
_token = folded_productkey_md5.ToString("X");
}
// check if a storage config section was provided (default storage is filesystem provider)
XDoc storageConfig;
switch (ConfigBL.GetInstanceSettingsValue("storage/@type", ConfigBL.GetInstanceSettingsValue("storage/type", "default")))
{
case "default":
string defaultAttachPath = Path.Combine(_deki.DekiPath, "attachments");
storageConfig = new XDoc("config")
.Elem("path", defaultAttachPath)
.Elem("cache-path", Path.Combine(defaultAttachPath, ".cache"));
_storage = new FSStorage(storageConfig);
break;
case "fs":
string fsPath = ConfigBL.GetInstanceSettingsValue("storage/fs/path", null);
//Replace a $1 with the wiki name
fsPath = string.Format(PhpUtil.ConvertToFormatString(fsPath ?? string.Empty), Id);
storageConfig = new XDoc("config")
.Elem("path", fsPath)
.Elem("cache-path", ConfigBL.GetInstanceSettingsValue("storage/fs/cache-path", null));
_storage = new FSStorage(storageConfig);
break;
case "s3":
storageConfig = new XDoc("config")
.Elem("publickey", ConfigBL.GetInstanceSettingsValue("storage/s3/publickey", null))
.Elem("privatekey", ConfigBL.GetInstanceSettingsValue("storage/s3/privatekey", null))
.Elem("bucket", ConfigBL.GetInstanceSettingsValue("storage/s3/bucket", null))
.Elem("prefix", string.Format(PhpUtil.ConvertToFormatString(ConfigBL.GetInstanceSettingsValue("storage/s3/prefix", string.Empty)), DekiContext.Current.Instance.Id))
.Elem("timeout", ConfigBL.GetInstanceSettingsValue("storage/s3/timeout", null))
.Elem("allowredirects", ConfigBL.GetInstanceSettingsValue("storage/s3/allowredirects", null))
.Elem("redirecttimeout", ConfigBL.GetInstanceSettingsValue("storage/s3/redirecttimeout", null));
_storage = new S3Storage(storageConfig, _loggerRepository.Get <S3Storage>());
break;
default:
throw new ArgumentException("Storage provider unknown or not defined (key: storage/type)", "storage/type");
}
HomePageId = DbUtils.CurrentSession.Pages_HomePageId;
_eventSink.InstanceStarting(DekiContext.Current.Now);
} catch {
// we failed to initialize
_status = DekiInstanceStatus.ABANDONED;
throw;
}
// set state to initializing
_status = DekiInstanceStatus.INITIALIZING;
}
//--- Constructor ---
internal DekiInstance(DekiWikiService deki, string id, XDoc instanceConfig, ILicenseController licenseController) {
if(deki == null) {
throw new ArgumentNullException("deki");
}
if(string.IsNullOrEmpty(id)) {
throw new ArgumentNullException("id");
}
this.Id = id;
// Note (arnec): this is now the the third place we define a wikiid based logger repository, however constructors interdependencies
// currently neccessitates this duplication, and fortunately it is mostly an aesthetic issue.
_loggerRepository = new ContextLoggerRepository("[" + Id + "] ");
_log = _loggerRepository.Get(GetType());
this.TimerFactory = TaskTimerFactory.Create(this);
this.Cache = new DreamCache(TimerFactory);
var cacheFactory = new InMemoryKeyValueCacheFactory(TimerFactory);
var searchSerializer = new SearchSerializer();
cacheFactory.SetSerializer<SearchResult>(searchSerializer);
cacheFactory.SetSerializer<SearchResultDetail>(searchSerializer);
this.SearchCache = cacheFactory.Create();
this.Config = instanceConfig;
_licenseController = licenseController;
this.Log = LogManager.GetLogger(deki.GetType().Name + "_" + id);
_deki = deki;
_status = DekiInstanceStatus.CREATED;
_apiKey = Config[ConfigBL.SECURITY_APIKEY].AsText;
foreach(XDoc hostDoc in Config["host"]) {
string host = hostDoc.Contents;
if(!StringUtil.EqualsInvariantIgnoreCase(host, "*")) {
string port = hostDoc["@port"].AsText;
string scheme = hostDoc["@https"].AsBool.GetValueOrDefault() ? "https://" : "http://";
string uri = scheme + host + (string.IsNullOrEmpty(port) ? "" : ":" + port);
_canonicalUri = new XUri(uri);
_log.DebugFormat("divined canonical use from hosts as {0}", _canonicalUri);
break;
}
}
if(_canonicalUri == null) {
// Note (arnec): this is a best guess fallback. It will only work in these scenarios:
// a) The host was set up with a uri.public that has ends in @api and with the @api points to the site uri, or
// b) The api lives on the same machine as the site, so that deriving uri.public for the host from the machine
// IP happens to point to the same machine
// Either way it relies on the hard-coded assumption that the api is accessible via {site}/@api
_canonicalUri = DreamContext.Current.ServerUri;
if(_canonicalUri.LastSegment.EqualsInvariantIgnoreCase("@api")) {
_canonicalUri = _canonicalUri.WithoutLastSegment();
}
_log.DebugFormat("using server uri as canonical uri: {0}", _canonicalUri);
} else {
// Note (arnec): Propagating a much hard-coded assumption, i.e. that the Api for any Deki instance can be accessed
// at the instances' canonical uri plus @api
// register the api uri with the dream host so that requests originating from within Dream are guaranteed to be locally routed
_deki.Env.At("status", "aliases").Post(new XDoc("aliases").Elem("uri.alias", _canonicalUri.At("@api")), new Result<DreamMessage>());
}
}
