jellyfish-web/src/libraries/apiclient/connectionmanager.js
2020-03-11 21:35:10 +01:00

807 lines
29 KiB
JavaScript

define(["events", "apiclient", "appStorage"], function (events, apiClientFactory, appStorage) {
"use strict";
function getServerAddress(server, mode) {
switch (mode) {
case ConnectionMode.Local:
return server.LocalAddress;
case ConnectionMode.Manual:
return server.ManualAddress;
case ConnectionMode.Remote:
return server.RemoteAddress;
default:
return server.ManualAddress || server.LocalAddress || server.RemoteAddress;
}
}
function paramsToString(params) {
var values = [];
for (var key in params) {
var value = params[key];
if (null !== value && void 0 !== value && "" !== value) {
values.push(encodeURIComponent(key) + "=" + encodeURIComponent(value));
}
}
return values.join("&");
}
function resolveFailure(instance, resolve) {
resolve({
State: "Unavailable",
});
}
function mergeServers(credentialProvider, list1, list2) {
for (var i = 0, length = list2.length; i < length; i++) {
credentialProvider.addOrUpdateServer(list1, list2[i]);
}
return list1;
}
function updateServerInfo(server, systemInfo) {
server.Name = systemInfo.ServerName;
if (systemInfo.Id) {
server.Id = systemInfo.Id;
}
if (systemInfo.LocalAddress) {
server.LocalAddress = systemInfo.LocalAddress;
}
}
function getEmbyServerUrl(baseUrl, handler) {
return baseUrl + "/" + handler;
}
function getFetchPromise(request) {
var headers = request.headers || {};
if ("json" === request.dataType) {
headers.accept = "application/json";
}
var fetchRequest = {
headers: headers,
method: request.type,
credentials: "same-origin"
};
var contentType = request.contentType;
if (request.data) {
if ("string" == typeof request.data) {
fetchRequest.body = request.data;
} else {
fetchRequest.body = paramsToString(request.data);
contentType = contentType || "application/x-www-form-urlencoded; charset=UTF-8";
}
}
if (contentType) {
headers["Content-Type"] = contentType;
}
if (request.timeout) {
return fetchWithTimeout(request.url, fetchRequest, request.timeout);
}
return fetch(request.url, fetchRequest);
}
function fetchWithTimeout(url, options, timeoutMs) {
console.debug("fetchWithTimeout: timeoutMs: " + timeoutMs + ", url: " + url);
return new Promise(function (resolve, reject) {
var timeout = setTimeout(reject, timeoutMs);
options = options || {};
options.credentials = "same-origin";
fetch(url, options).then(function (response) {
clearTimeout(timeout);
console.debug("fetchWithTimeout: succeeded connecting to url: " + url);
resolve(response);
}, function (error) {
clearTimeout(timeout);
console.error("fetchWithTimeout: timed out connecting to url: " + url);
reject();
});
});
}
function ajax(request) {
if (!request) {
throw new Error("Request cannot be null");
}
request.headers = request.headers || {};
console.debug("ConnectionManager requesting url: " + request.url);
return getFetchPromise(request).then(function (response) {
console.debug("ConnectionManager response status: " + response.status + ", url: " + request.url);
if (response.status < 400) {
if ("json" === request.dataType || "application/json" === request.headers.accept) {
return response.json();
}
return response;
}
return Promise.reject(response);
}, function (err) {
console.error("ConnectionManager request failed to url: " + request.url);
throw err;
});
}
function replaceAll(originalString, strReplace, strWith) {
var reg = new RegExp(strReplace, "ig");
return originalString.replace(reg, strWith);
}
function normalizeAddress(address) {
address = address.trim();
if (0 !== address.toLowerCase().indexOf("http")) {
address = "http://" + address;
}
address = replaceAll(address, "Http:", "http:");
address = replaceAll(address, "Https:", "https:");
return address;
}
function stringEqualsIgnoreCase(str1, str2) {
return (str1 || "").toLowerCase() === (str2 || "").toLowerCase();
}
function compareVersions(a, b) {
a = a.split(".");
b = b.split(".");
for (var i = 0, length = Math.max(a.length, b.length); i < length; i++) {
var aVal = parseInt(a[i] || "0");
var bVal = parseInt(b[i] || "0");
if (aVal < bVal) {
return -1;
}
if (aVal > bVal) {
return 1;
}
}
return 0;
}
var defaultTimeout = 20000;
var ConnectionMode = {
Local: 0,
Remote: 1,
Manual: 2
};
var ConnectionManager = function (credentialProvider, appName, appVersion, deviceName, deviceId, capabilities) {
function onAuthenticated(apiClient, result, options, saveCredentials) {
var credentials = credentialProvider.credentials();
var servers = credentials.Servers.filter(function (s) {
return s.Id === result.ServerId;
});
var server = servers.length ? servers[0] : apiClient.serverInfo();
if (false !== options.updateDateLastAccessed) {
server.DateLastAccessed = new Date().getTime();
}
server.Id = result.ServerId;
if (saveCredentials) {
server.UserId = result.User.Id;
server.AccessToken = result.AccessToken;
} else {
server.UserId = null;
server.AccessToken = null;
}
credentialProvider.addOrUpdateServer(credentials.Servers, server);
credentialProvider.credentials(credentials);
apiClient.enableAutomaticBitrateDetection = options.enableAutomaticBitrateDetection;
apiClient.serverInfo(server);
afterConnected(apiClient, options);
return onLocalUserSignIn(server, apiClient.serverAddress(), result.User);
}
function afterConnected(apiClient, options) {
options = options || {};
if (false !== options.reportCapabilities) {
apiClient.reportCapabilities(capabilities);
}
apiClient.enableAutomaticBitrateDetection = options.enableAutomaticBitrateDetection;
if (false !== options.enableWebSocket) {
console.debug("calling apiClient.ensureWebSocket");
apiClient.ensureWebSocket();
}
}
function onLocalUserSignIn(server, serverUrl, user) {
self._getOrAddApiClient(server, serverUrl);
var promise = self.onLocalUserSignedIn ? self.onLocalUserSignedIn.call(self, user) : Promise.resolve();
return promise.then(function () {
events.trigger(self, "localusersignedin", [user])
})
}
function validateAuthentication(server, serverUrl) {
return ajax({
type: "GET",
url: getEmbyServerUrl(serverUrl, "System/Info"),
dataType: "json",
headers: {
"X-MediaBrowser-Token": server.AccessToken
}
}).then(function (systemInfo) {
updateServerInfo(server, systemInfo);
return Promise.resolve();
}, function () {
server.UserId = null;
server.AccessToken = null;
return Promise.resolve();
});
}
function getImageUrl(localUser) {
if (localUser && localUser.PrimaryImageTag) {
return {
url: self.getApiClient(localUser).getUserImageUrl(localUser.Id, {
tag: localUser.PrimaryImageTag,
type: "Primary"
}),
supportsParams: true
};
}
return {
url: null,
supportsParams: false
};
}
function logoutOfServer(apiClient) {
var serverInfo = apiClient.serverInfo() || {};
var logoutInfo = {
serverId: serverInfo.Id
};
return apiClient.logout().then(function () {
events.trigger(self, "localusersignedout", [logoutInfo]);
}, function () {
events.trigger(self, "localusersignedout", [logoutInfo]);
});
}
function findServers() {
return new Promise(function (resolve, reject) {
var onFinish = function (foundServers) {
var servers = foundServers.map(function (foundServer) {
var info = {
Id: foundServer.Id,
LocalAddress: convertEndpointAddressToManualAddress(foundServer) || foundServer.Address,
Name: foundServer.Name
};
info.LastConnectionMode = info.ManualAddress ? ConnectionMode.Manual : ConnectionMode.Local;
return info;
});
resolve(servers);
};
if (window.NativeShell && typeof window.NativeShell.findServers === 'function') {
window.NativeShell.findServers(1e3).then(onFinish, function () {
onFinish([]);
});
} else {
resolve([]);
}
});
}
function convertEndpointAddressToManualAddress(info) {
if (info.Address && info.EndpointAddress) {
var address = info.EndpointAddress.split(":")[0];
var parts = info.Address.split(":");
if (parts.length > 1) {
var portString = parts[parts.length - 1];
if (!isNaN(parseInt(portString))) {
address += ":" + portString;
}
}
return normalizeAddress(address);
}
return null;
}
function getTryConnectPromise(url, connectionMode, state, resolve, reject) {
console.debug("getTryConnectPromise " + url);
ajax({
url: getEmbyServerUrl(url, "system/info/public"),
timeout: defaultTimeout,
type: "GET",
dataType: "json"
}).then(function (result) {
if (!state.resolved) {
state.resolved = true;
console.debug("Reconnect succeeded to " + url);
resolve({
url: url,
connectionMode: connectionMode,
data: result
});
}
}, function () {
if (!state.resolved) {
console.error("Reconnect failed to " + url);
if (++state.rejects >= state.numAddresses) {
reject();
}
}
});
}
function tryReconnect(serverInfo) {
var addresses = [];
var addressesStrings = [];
if (!serverInfo.manualAddressOnly && serverInfo.LocalAddress && -1 === addressesStrings.indexOf(serverInfo.LocalAddress)) {
addresses.push({
url: serverInfo.LocalAddress,
mode: ConnectionMode.Local,
timeout: 0
});
addressesStrings.push(addresses[addresses.length - 1].url);
}
if (serverInfo.ManualAddress && -1 === addressesStrings.indexOf(serverInfo.ManualAddress)) {
addresses.push({
url: serverInfo.ManualAddress,
mode: ConnectionMode.Manual,
timeout: 100
});
addressesStrings.push(addresses[addresses.length - 1].url);
}
if (!serverInfo.manualAddressOnly && serverInfo.RemoteAddress && -1 === addressesStrings.indexOf(serverInfo.RemoteAddress)) {
addresses.push({
url: serverInfo.RemoteAddress,
mode: ConnectionMode.Remote,
timeout: 200
});
addressesStrings.push(addresses[addresses.length - 1].url);
}
console.debug("tryReconnect: " + addressesStrings.join("|"));
return new Promise(function (resolve, reject) {
var state = {};
state.numAddresses = addresses.length;
state.rejects = 0;
addresses.map(function (url) {
setTimeout(function () {
if (!state.resolved) {
getTryConnectPromise(url.url, url.mode, state, resolve, reject);
}
}, url.timeout);
});
});
}
function onSuccessfulConnection(server, systemInfo, connectionMode, serverUrl, options, resolve) {
var credentials = credentialProvider.credentials();
options = options || {};
afterConnectValidated(server, credentials, systemInfo, connectionMode, serverUrl, true, options, resolve);
}
function afterConnectValidated(server, credentials, systemInfo, connectionMode, serverUrl, verifyLocalAuthentication, options, resolve) {
options = options || {};
if (false === options.enableAutoLogin) {
server.UserId = null;
server.AccessToken = null;
} else if (verifyLocalAuthentication && server.AccessToken && false !== options.enableAutoLogin) {
return void validateAuthentication(server, serverUrl).then(function () {
afterConnectValidated(server, credentials, systemInfo, connectionMode, serverUrl, false, options, resolve);
});
}
updateServerInfo(server, systemInfo);
server.LastConnectionMode = connectionMode;
if (false !== options.updateDateLastAccessed) {
server.DateLastAccessed = new Date().getTime();
}
credentialProvider.addOrUpdateServer(credentials.Servers, server);
credentialProvider.credentials(credentials);
var result = {
Servers: []
};
result.ApiClient = self._getOrAddApiClient(server, serverUrl);
result.ApiClient.setSystemInfo(systemInfo);
result.State = server.AccessToken && false !== options.enableAutoLogin ? "SignedIn" : "ServerSignIn";
result.Servers.push(server);
result.ApiClient.enableAutomaticBitrateDetection = options.enableAutomaticBitrateDetection;
result.ApiClient.updateServerInfo(server, serverUrl);
var resolveActions = function () {
resolve(result);
events.trigger(self, "connected", [result]);
};
if ("SignedIn" === result.State) {
afterConnected(result.ApiClient, options);
result.ApiClient.getCurrentUser().then(function (user) {
onLocalUserSignIn(server, serverUrl, user).then(resolveActions, resolveActions);
}, resolveActions);
} else {
resolveActions();
}
}
console.debug("Begin ConnectionManager constructor");
var self = this;
this._apiClients = [];
self._minServerVersion = "3.2.33";
self.appVersion = function () {
return appVersion;
};
self.appName = function () {
return appName;
};
self.capabilities = function () {
return capabilities;
};
self.deviceId = function () {
return deviceId;
};
self.credentialProvider = function () {
return credentialProvider;
};
self.getServerInfo = function (id) {
return credentialProvider.credentials().Servers.filter(function (s) {
return s.Id === id;
})[0];
};
self.getLastUsedServer = function () {
var servers = credentialProvider.credentials().Servers;
servers.sort(function (a, b) {
return (b.DateLastAccessed || 0) - (a.DateLastAccessed || 0);
});
if (servers.length) {
return servers[0];
}
return null;
};
self.addApiClient = function (apiClient) {
self._apiClients.push(apiClient);
var existingServers = credentialProvider.credentials().Servers.filter(function (s) {
return stringEqualsIgnoreCase(s.ManualAddress, apiClient.serverAddress()) || stringEqualsIgnoreCase(s.LocalAddress, apiClient.serverAddress()) || stringEqualsIgnoreCase(s.RemoteAddress, apiClient.serverAddress());
});
var existingServer = existingServers.length ? existingServers[0] : apiClient.serverInfo();
existingServer.DateLastAccessed = new Date().getTime();
existingServer.LastConnectionMode = ConnectionMode.Manual;
existingServer.ManualAddress = apiClient.serverAddress();
if (apiClient.manualAddressOnly) {
existingServer.manualAddressOnly = true;
}
apiClient.serverInfo(existingServer);
apiClient.onAuthenticated = function (instance, result) {
return onAuthenticated(instance, result, {}, true);
};
if (!existingServers.length) {
var credentials = credentialProvider.credentials();
credentials.Servers = [existingServer];
credentialProvider.credentials(credentials);
}
events.trigger(self, "apiclientcreated", [apiClient]);
};
self.clearData = function () {
console.debug("connection manager clearing data");
var credentials = credentialProvider.credentials();
credentials.Servers = [];
credentialProvider.credentials(credentials);
};
self._getOrAddApiClient = function (server, serverUrl) {
var apiClient = self.getApiClient(server.Id);
if (!apiClient) {
apiClient = new apiClientFactory(serverUrl, appName, appVersion, deviceName, deviceId);
self._apiClients.push(apiClient);
apiClient.serverInfo(server);
apiClient.onAuthenticated = function (instance, result) {
return onAuthenticated(instance, result, {}, true);
};
events.trigger(self, "apiclientcreated", [apiClient]);
}
console.debug("returning instance from getOrAddApiClient");
return apiClient;
};
self.getOrCreateApiClient = function (serverId) {
var credentials = credentialProvider.credentials();
var servers = credentials.Servers.filter(function (s) {
return stringEqualsIgnoreCase(s.Id, serverId);
});
if (!servers.length) {
throw new Error("Server not found: " + serverId);
}
var server = servers[0];
return self._getOrAddApiClient(server, getServerAddress(server, server.LastConnectionMode));
};
self.user = function (apiClient) {
return new Promise(function (resolve, reject) {
function onLocalUserDone(e) {
if (apiClient && apiClient.getCurrentUserId()) {
apiClient.getCurrentUser().then(function (u) {
localUser = u;
var image = getImageUrl(localUser);
resolve({
localUser: localUser,
name: localUser ? localUser.Name : null,
imageUrl: image.url,
supportsImageParams: image.supportsParams,
});
}, onLocalUserDone);
}
}
var localUser;
if (apiClient && apiClient.getCurrentUserId()) {
onLocalUserDone();
}
});
};
self.logout = function () {
console.debug("begin connectionManager loguot");
var promises = [];
for (var i = 0, length = self._apiClients.length; i < length; i++) {
var apiClient = self._apiClients[i];
if (apiClient.accessToken()) {
promises.push(logoutOfServer(apiClient));
}
}
return Promise.all(promises).then(function () {
var credentials = credentialProvider.credentials();
var servers = credentials.Servers.filter(function (u) {
return "Guest" !== u.UserLinkType;
});
for (var j = 0, numServers = servers.length; j < numServers; j++) {
var server = servers[j];
server.UserId = null;
server.AccessToken = null;
server.ExchangeToken = null;
}
});
};
self.getSavedServers = function () {
var credentials = credentialProvider.credentials();
var servers = credentials.Servers.slice(0);
servers.sort(function (a, b) {
return (b.DateLastAccessed || 0) - (a.DateLastAccessed || 0);
});
return servers;
};
self.getAvailableServers = function () {
console.debug("begin getAvailableServers");
var credentials = credentialProvider.credentials();
return Promise.all([findServers()]).then(function (responses) {
var foundServers = responses[0];
var servers = credentials.Servers.slice(0);
mergeServers(credentialProvider, servers, foundServers);
servers.sort(function (a, b) {
return (b.DateLastAccessed || 0) - (a.DateLastAccessed || 0);
});
credentials.Servers = servers;
credentialProvider.credentials(credentials);
return servers;
});
};
self.connectToServers = function (servers, options) {
console.debug("begin connectToServers, with " + servers.length + " servers");
var firstServer = servers.length ? servers[0] : null;
if (firstServer) {
return self.connectToServer(firstServer, options).then(function (result) {
if ("Unavailable" === result.State) {
result.State = "ServerSelection";
}
console.debug("resolving connectToServers with result.State: " + result.State);
return result;
});
}
return Promise.resolve({
Servers: servers,
State: "ServerSelection"
});
};
self.connectToServer = function (server, options) {
console.debug("begin connectToServer");
return new Promise(function (resolve, reject) {
options = options || {};
tryReconnect(server).then(function (result) {
var serverUrl = result.url;
var connectionMode = result.connectionMode;
result = result.data;
if (1 === compareVersions(self.minServerVersion(), result.Version)) {
console.debug("minServerVersion requirement not met. Server version: " + result.Version);
resolve({
State: "ServerUpdateNeeded",
Servers: [server]
});
} else {
if (server.Id && result.Id !== server.Id) {
console.debug("http request succeeded, but found a different server Id than what was expected");
resolveFailure(self, resolve);
} else {
onSuccessfulConnection(server, result, connectionMode, serverUrl, options, resolve);
}
}
}, function () {
resolveFailure(self, resolve);
});
});
};
self.connectToAddress = function (address, options) {
function onFail() {
console.error("connectToAddress " + address + " failed");
return Promise.resolve({
State: "Unavailable",
});
}
if (!address) {
return Promise.reject();
}
address = normalizeAddress(address);
var instance = this;
var server = {
ManualAddress: address,
LastConnectionMode: ConnectionMode.Manual
};
return self.connectToServer(server, options).catch(onFail);
};
self.deleteServer = function (serverId) {
if (!serverId) {
throw new Error("null serverId");
}
var server = credentialProvider.credentials().Servers.filter(function (s) {
return s.Id === serverId;
});
server = server.length ? server[0] : null;
return new Promise(function (resolve, reject) {
function onDone() {
var credentials = credentialProvider.credentials();
credentials.Servers = credentials.Servers.filter(function (s) {
return s.Id !== serverId;
});
credentialProvider.credentials(credentials);
resolve();
}
if (!server.ConnectServerId) {
return void onDone();
}
});
};
};
ConnectionManager.prototype.connect = function (options) {
console.debug("begin connect");
var instance = this;
return instance.getAvailableServers().then(function (servers) {
return instance.connectToServers(servers, options);
});
};
ConnectionManager.prototype.getApiClients = function () {
var servers = this.getSavedServers();
for (var i = 0, length = servers.length; i < length; i++) {
var server = servers[i];
if (server.Id) {
this._getOrAddApiClient(server, getServerAddress(server, server.LastConnectionMode));
}
}
return this._apiClients;
};
ConnectionManager.prototype.getApiClient = function (item) {
if (!item) {
throw new Error("item or serverId cannot be null");
}
if (item.ServerId) {
item = item.ServerId;
}
return this._apiClients.filter(function (a) {
var serverInfo = a.serverInfo();
return !serverInfo || serverInfo.Id === item;
})[0];
};
ConnectionManager.prototype.minServerVersion = function (val) {
if (val) {
this._minServerVersion = val;
}
return this._minServerVersion;
};
ConnectionManager.prototype.handleMessageReceived = function (msg) {
var serverId = msg.ServerId;
if (serverId) {
var apiClient = this.getApiClient(serverId);
if (apiClient) {
if ("string" == typeof msg.Data) {
try {
msg.Data = JSON.parse(msg.Data);
} catch (err) {}
}
apiClient.handleMessageReceived(msg);
}
}
};
return ConnectionManager;
});