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main.go
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main.go
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package main
import (
"crypto/tls"
"fmt"
"github.com/Sirupsen/logrus"
logrus_syslog "github.com/Sirupsen/logrus/hooks/syslog"
"github.com/TykTechnologies/tykcommon"
logger "github.com/TykTechnologies/tykcommon-logger"
"github.com/bshuster-repo/logrus-logstash-hook"
"github.com/docopt/docopt.go"
"github.com/evalphobia/logrus_sentry"
"github.com/gorilla/mux"
"github.com/justinas/alice"
"github.com/lonelycode/logrus-graylog-hook"
osin "github.com/lonelycode/osin"
"github.com/rcrowley/goagain"
"github.com/rs/cors"
"html/template"
"io/ioutil"
"log/syslog"
"net"
"net/http"
"net/url"
"os"
"path"
"path/filepath"
"runtime/pprof"
"sort"
"strconv"
"strings"
"time"
)
var log = logger.GetLogger()
var config = Config{}
var templates = &template.Template{}
var analytics = RedisAnalyticsHandler{}
var profileFile = &os.File{}
var GlobalEventsJSVM = &JSVM{}
var doMemoryProfile bool
var doCpuProfile bool
var Policies = make(map[string]Policy)
var MainNotifier = RedisNotifier{}
var DefaultOrgStore = DefaultSessionManager{}
var DefaultQuotaStore = DefaultSessionManager{}
var FallbackKeySesionManager SessionHandler = &DefaultSessionManager{}
var MonitoringHandler TykEventHandler
var RPCListener = RPCStorageHandler{}
var ApiSpecRegister *map[string]*APISpec //make(map[string]*APISpec)
var keyGen = DefaultKeyGenerator{}
var mainRouter *mux.Router
var defaultRouter *mux.Router
var NodeID string
// Generic system error
const (
E_SYSTEM_ERROR string = "{\"status\": \"system error, please contact administrator\"}"
OAUTH_AUTH_CODE_TIMEOUT int = 60 * 60
OAUTH_PREFIX string = "oauth-data."
)
// Display configuration options
func displayConfig() {
log.WithFields(logrus.Fields{
"prefix": "main",
}).Info("--> Listening on address: ", config.ListenAddress)
log.WithFields(logrus.Fields{
"prefix": "main",
}).Info("--> Listening on port: ", config.ListenPort)
}
func getHostName() string {
hName := config.HostName
if config.HostName == "" {
hName = ""
}
return hName
}
func pingTest(w http.ResponseWriter, r *http.Request) {
fmt.Fprintf(w, "Hello Tiki")
}
// Create all globals and init connection handlers
func setupGlobals() {
mainRouter = mux.NewRouter()
if getHostName() != "" {
defaultRouter = mainRouter.Host(getHostName()).Subrouter()
log.WithFields(logrus.Fields{
"prefix": "main",
}).Info("Hostname set: ", getHostName())
} else {
defaultRouter = mainRouter
}
if (config.EnableAnalytics == true) && (config.Storage.Type != "redis") {
log.WithFields(logrus.Fields{
"prefix": "main",
}).Panic("Analytics requires Redis Storage backend, please enable Redis in the tyk.conf file.")
}
// Initialise our Host Checker
HealthCheckStore := &RedisClusterStorageManager{KeyPrefix: "host-checker:"}
InitHostCheckManager(HealthCheckStore)
if config.EnableAnalytics {
config.loadIgnoredIPs()
AnalyticsStore := RedisClusterStorageManager{KeyPrefix: "analytics-"}
log.WithFields(logrus.Fields{
"prefix": "main",
}).Debug("Setting up analytics DB connection")
analytics = RedisAnalyticsHandler{
Store: &AnalyticsStore,
}
analytics.Init()
if config.AnalyticsConfig.Type == "rpc" {
log.Debug("Using RPC cache purge")
thisPurger := RPCPurger{Store: &AnalyticsStore, Address: config.SlaveOptions.ConnectionString}
thisPurger.Connect()
analytics.Clean = &thisPurger
go analytics.Clean.StartPurgeLoop(10)
} else {
log.WithFields(logrus.Fields{
"prefix": "main",
}).Warn("Cache purging is no longer part of Tyk Gateway, please use Tyk-Pump.")
}
}
//genericOsinStorage = MakeNewOsinServer()
templateFile := fmt.Sprintf("%s/error.json", config.TemplatePath)
templates = template.Must(template.ParseFiles(templateFile))
// Set up global JSVM
if config.EnableJSVM {
GlobalEventsJSVM.Init(config.TykJSPath)
}
// Get the notifier ready
log.WithFields(logrus.Fields{
"prefix": "main",
}).Debug("Notifier will not work in hybrid mode")
MainNotifierStore := RedisClusterStorageManager{}
MainNotifierStore.Connect()
MainNotifier = RedisNotifier{&MainNotifierStore, RedisPubSubChannel}
if config.Monitor.EnableTriggerMonitors {
var monitorErr error
MonitoringHandler, monitorErr = WebHookHandler{}.New(config.Monitor.Config)
if monitorErr != nil {
log.WithFields(logrus.Fields{
"prefix": "main",
}).Error("Failed to initialise monitor! ", monitorErr)
}
}
if config.AnalyticsConfig.NormaliseUrls.Enabled {
log.WithFields(logrus.Fields{
"prefix": "main",
}).Info("Setting up analytics normaliser")
config.AnalyticsConfig.NormaliseUrls.compiledPatternSet = InitNormalisationPatterns()
}
}
// Pull API Specs from configuration
var APILoader APIDefinitionLoader = APIDefinitionLoader{}
func getAPISpecs() *[]*APISpec {
var APISpecs *[]*APISpec
if config.UseDBAppConfigs {
if config.DBAppConfOptions.ConnectionString != "" {
connStr := config.DBAppConfOptions.ConnectionString
connStr = connStr + "/system/apis"
APISpecs = APILoader.LoadDefinitionsFromDashboardService(connStr, config.NodeSecret)
} else {
log.WithFields(logrus.Fields{
"prefix": "main",
}).Fatal("No connection string or node ID present. Failing.")
}
log.WithFields(logrus.Fields{
"prefix": "main",
}).Debug("Using App Configuration from Dashboard Service")
} else if config.SlaveOptions.UseRPC {
log.WithFields(logrus.Fields{
"prefix": "main",
}).Debug("Using RPC Configuration")
APISpecs = APILoader.LoadDefinitionsFromRPC(config.SlaveOptions.RPCKey)
} else {
APISpecs = APILoader.LoadDefinitions(config.AppPath)
}
log.WithFields(logrus.Fields{
"prefix": "main",
}).Printf("Detected %v APIs", len(*APISpecs))
if config.AuthOverride.ForceAuthProvider {
for i, _ := range *APISpecs {
(*APISpecs)[i].AuthProvider = config.AuthOverride.AuthProvider
}
}
if config.AuthOverride.ForceSessionProvider {
for i, _ := range *APISpecs {
(*APISpecs)[i].SessionProvider = config.AuthOverride.SessionProvider
}
}
return APISpecs
}
func getPolicies() {
thesePolicies := make(map[string]Policy)
log.WithFields(logrus.Fields{
"prefix": "main",
}).Debug("Loading policies")
if config.Policies.PolicySource == "service" {
log.WithFields(logrus.Fields{
"prefix": "main",
}).Debug("Using Policies from Dashboard Service")
if config.Policies.PolicyConnectionString != "" {
connStr := config.Policies.PolicyConnectionString
connStr = connStr + "/system/policies"
thesePolicies = LoadPoliciesFromDashboard(connStr, config.NodeSecret, config.Policies.AllowExplicitPolicyID)
} else {
log.WithFields(logrus.Fields{
"prefix": "main",
}).Fatal("No connection string or node ID present. Failing.")
}
} else if config.Policies.PolicySource == "rpc" {
log.WithFields(logrus.Fields{
"prefix": "main",
}).Debug("Using Policies from RPC")
thesePolicies = LoadPoliciesFromRPC(config.SlaveOptions.RPCKey)
} else {
// this is the only case now where we need a policy record name
if config.Policies.PolicyRecordName == "" {
log.WithFields(logrus.Fields{
"prefix": "main",
}).Debug("No policy record name defined, skipping...")
return
}
thesePolicies = LoadPoliciesFromFile(config.Policies.PolicyRecordName)
}
if len(thesePolicies) > 0 {
Policies = thesePolicies
return
}
}
// Set up default Tyk control API endpoints - these are global, so need to be added first
func loadAPIEndpoints(Muxer *mux.Router) {
var ApiMuxer *mux.Router
ApiMuxer = Muxer
if config.EnableAPISegregation {
if config.ControlAPIHostname != "" {
ApiMuxer = Muxer.Host(config.ControlAPIHostname).Subrouter()
}
}
// Add a root message to check all is OK
ApiMuxer.HandleFunc("/hello", pingTest)
// set up main API handlers
ApiMuxer.HandleFunc("/tyk/reload/group", CheckIsAPIOwner(groupResetHandler))
ApiMuxer.HandleFunc("/tyk/reload/", CheckIsAPIOwner(resetHandler))
if !IsRPCMode() {
ApiMuxer.HandleFunc("/tyk/org/keys/"+"{rest:.*}", CheckIsAPIOwner(orgHandler))
ApiMuxer.HandleFunc("/tyk/keys/policy/"+"{rest:.*}", CheckIsAPIOwner(policyUpdateHandler))
ApiMuxer.HandleFunc("/tyk/keys/create", CheckIsAPIOwner(createKeyHandler))
ApiMuxer.HandleFunc("/tyk/apis/"+"{rest:.*}", CheckIsAPIOwner(apiHandler))
ApiMuxer.HandleFunc("/tyk/health/", CheckIsAPIOwner(healthCheckhandler))
ApiMuxer.HandleFunc("/tyk/oauth/clients/create", CheckIsAPIOwner(createOauthClient))
ApiMuxer.HandleFunc("/tyk/oauth/refresh/"+"{rest:.*}", CheckIsAPIOwner(invalidateOauthRefresh))
ApiMuxer.HandleFunc("/tyk/cache/"+"{rest:.*}", CheckIsAPIOwner(invalidateCacheHandler))
} else {
log.WithFields(logrus.Fields{
"prefix": "main",
}).Info("Node is slaved, REST API minimised")
}
ApiMuxer.HandleFunc("/tyk/keys/"+"{rest:.*}", CheckIsAPIOwner(keyHandler))
ApiMuxer.HandleFunc("/tyk/oauth/clients/"+"{rest:.*}", CheckIsAPIOwner(oAuthClientHandler))
log.WithFields(logrus.Fields{
"prefix": "main",
}).Debug("Loaded API Endpoints")
}
func generateOAuthPrefix(apiID string) string {
return OAUTH_PREFIX + apiID + "."
}
// Create API-specific OAuth handlers and respective auth servers
func addOAuthHandlers(spec *APISpec, Muxer *mux.Router, test bool) *OAuthManager {
apiAuthorizePath := spec.Proxy.ListenPath + "tyk/oauth/authorize-client/"
clientAuthPath := spec.Proxy.ListenPath + "oauth/authorize/"
clientAccessPath := spec.Proxy.ListenPath + "oauth/token/"
serverConfig := osin.NewServerConfig()
serverConfig.ErrorStatusCode = 403
serverConfig.AllowedAccessTypes = spec.Oauth2Meta.AllowedAccessTypes
serverConfig.AllowedAuthorizeTypes = spec.Oauth2Meta.AllowedAuthorizeTypes
serverConfig.RedirectUriSeparator = config.OauthRedirectUriSeparator
OAuthPrefix := generateOAuthPrefix(spec.APIID)
//storageManager := RedisClusterStorageManager{KeyPrefix: OAuthPrefix}
storageManager := GetGlobalStorageHandler(OAuthPrefix, false)
storageManager.Connect()
osinStorage := RedisOsinStorageInterface{storageManager, spec.SessionManager} //TODO: Needs storage manager from APISpec
if test {
log.WithFields(logrus.Fields{
"prefix": "main",
}).Warning("Adding test clients")
testPolicy := Policy{}
testPolicy.Rate = 100
testPolicy.Per = 1
testPolicy.QuotaMax = -1
testPolicy.QuotaRenewalRate = 1000000000
Policies["TEST-4321"] = testPolicy
var redirectURI string
// If separator is not set that means multiple redirect uris not supported
if config.OauthRedirectUriSeparator == "" {
redirectURI = "http://client.oauth.com"
// If separator config is set that means multiple redirect uris are supported
} else {
redirectURI = strings.Join([]string{"http://client.oauth.com", "http://client2.oauth.com", "http://client3.oauth.com"}, config.OauthRedirectUriSeparator)
}
testClient := OAuthClient{
ClientID: "1234",
ClientSecret: "aabbccdd",
ClientRedirectURI: redirectURI,
PolicyID: "TEST-4321",
}
osinStorage.SetClient(testClient.ClientID, &testClient, false)
log.WithFields(logrus.Fields{
"prefix": "main",
}).Warning("Test client added")
}
osinServer := TykOsinNewServer(serverConfig, osinStorage)
// osinServer.AccessTokenGen = &AccessTokenGenTyk{}
oauthManager := OAuthManager{spec, osinServer}
oauthHandlers := OAuthHandlers{oauthManager}
Muxer.HandleFunc(apiAuthorizePath, CheckIsAPIOwner(oauthHandlers.HandleGenerateAuthCodeData))
Muxer.HandleFunc(clientAuthPath, oauthHandlers.HandleAuthorizePassthrough)
Muxer.HandleFunc(clientAccessPath, oauthHandlers.HandleAccessRequest)
return &oauthManager
}
func addBatchEndpoint(spec *APISpec, Muxer *mux.Router) {
log.WithFields(logrus.Fields{
"prefix": "main",
}).Debug("Batch requests enabled for API")
apiBatchPath := spec.Proxy.ListenPath + "tyk/batch/"
thisBatchHandler := BatchRequestHandler{API: spec}
Muxer.HandleFunc(apiBatchPath, thisBatchHandler.HandleBatchRequest)
}
func loadCustomMiddleware(referenceSpec *APISpec) ([]string, []tykcommon.MiddlewareDefinition, []tykcommon.MiddlewareDefinition) {
mwPaths := []string{}
mwPreFuncs := []tykcommon.MiddlewareDefinition{}
mwPostFuncs := []tykcommon.MiddlewareDefinition{}
// Load form the configuration
for _, mwObj := range referenceSpec.APIDefinition.CustomMiddleware.Pre {
mwPaths = append(mwPaths, mwObj.Path)
mwPreFuncs = append(mwPreFuncs, mwObj)
log.WithFields(logrus.Fields{
"prefix": "main",
}).Debug("Loading custom PRE-PROCESSOR middleware: ", mwObj.Name)
}
for _, mwObj := range referenceSpec.APIDefinition.CustomMiddleware.Post {
mwPaths = append(mwPaths, mwObj.Path)
mwPostFuncs = append(mwPostFuncs, mwObj)
log.WithFields(logrus.Fields{
"prefix": "main",
}).Debug("Loading custom POST-PROCESSOR middleware: ", mwObj.Name)
}
// Load from folder
// Get PRE folder path
middlwareFolderPath := path.Join(config.MiddlewarePath, referenceSpec.APIDefinition.APIID, "pre")
files, _ := ioutil.ReadDir(middlwareFolderPath)
for _, f := range files {
if strings.Contains(f.Name(), ".js") {
filePath := filepath.Join(middlwareFolderPath, f.Name())
log.WithFields(logrus.Fields{
"prefix": "main",
}).Debug("Loading PRE-PROCESSOR file middleware from ", filePath)
middlewareObjectName := strings.Split(f.Name(), ".")[0]
log.WithFields(logrus.Fields{
"prefix": "main",
}).Debug("-- Middleware name ", middlewareObjectName)
requiresSession := strings.Contains(middlewareObjectName, "_with_session")
log.WithFields(logrus.Fields{
"prefix": "main",
}).Debug("-- Middleware requires session: ", requiresSession)
thisMWDef := tykcommon.MiddlewareDefinition{}
thisMWDef.Name = middlewareObjectName
thisMWDef.Path = filePath
thisMWDef.RequireSession = requiresSession
mwPaths = append(mwPaths, filePath)
mwPreFuncs = append(mwPreFuncs, thisMWDef)
}
}
// Get POST folder path
middlewarePostFolderPath := path.Join(config.MiddlewarePath, referenceSpec.APIDefinition.APIID, "post")
mwPostFiles, _ := ioutil.ReadDir(middlewarePostFolderPath)
for _, f := range mwPostFiles {
if strings.Contains(f.Name(), ".js") {
filePath := filepath.Join(middlewarePostFolderPath, f.Name())
log.WithFields(logrus.Fields{
"prefix": "main",
}).Debug("Loading POST-PROCESSOR file middleware from ", filePath)
middlewareObjectName := strings.Split(f.Name(), ".")[0]
log.WithFields(logrus.Fields{
"prefix": "main",
}).Debug("-- Middleware name ", middlewareObjectName)
requiresSession := strings.Contains(middlewareObjectName, "_with_session")
log.WithFields(logrus.Fields{
"prefix": "main",
}).Debug("-- Middleware requires session: ", requiresSession)
thisMWDef := tykcommon.MiddlewareDefinition{}
thisMWDef.Name = middlewareObjectName
thisMWDef.Path = filePath
thisMWDef.RequireSession = requiresSession
mwPaths = append(mwPaths, filePath)
mwPostFuncs = append(mwPostFuncs, thisMWDef)
}
}
return mwPaths, mwPreFuncs, mwPostFuncs
}
func creeateResponseMiddlewareChain(referenceSpec *APISpec) {
// Create the response processors
responseChain := make([]TykResponseHandler, len(referenceSpec.APIDefinition.ResponseProcessors))
for i, processorDetail := range referenceSpec.APIDefinition.ResponseProcessors {
processorType, err := GetResponseProcessorByName(processorDetail.Name)
if err != nil {
log.WithFields(logrus.Fields{
"prefix": "main",
}).Error("Failed to load processor! ", err)
return
}
thisProcessor, _ := processorType.New(processorDetail.Options, referenceSpec)
log.WithFields(logrus.Fields{
"prefix": "main",
}).Debug("Loading Response processor: ", processorDetail.Name)
responseChain[i] = thisProcessor
}
referenceSpec.ResponseChain = &responseChain
}
func handleCORS(chain *[]alice.Constructor, spec *APISpec) {
if spec.CORS.Enable {
log.WithFields(logrus.Fields{
"prefix": "main",
}).Debug("CORS ENABLED")
c := cors.New(cors.Options{
AllowedOrigins: spec.CORS.AllowedOrigins,
AllowedMethods: spec.CORS.AllowedMethods,
AllowedHeaders: spec.CORS.AllowedHeaders,
ExposedHeaders: spec.CORS.ExposedHeaders,
AllowCredentials: spec.CORS.AllowCredentials,
MaxAge: spec.CORS.MaxAge,
OptionsPassthrough: spec.CORS.OptionsPassthrough,
Debug: spec.CORS.Debug,
})
*chain = append(*chain, c.Handler)
}
}
func IsRPCMode() bool {
if config.AuthOverride.ForceAuthProvider {
if config.AuthOverride.AuthProvider.StorageEngine == RPCStorageEngine {
return true
}
}
return false
}
func doCopy(from *APISpec, to *APISpec) {
*to = *from
}
type SortableAPISpecListByListen []*APISpec
func (s SortableAPISpecListByListen) Len() int {
return len(s)
}
func (s SortableAPISpecListByListen) Swap(i, j int) {
s[i], s[j] = s[j], s[i]
}
func (s SortableAPISpecListByListen) Less(i, j int) bool {
return len(s[i].Proxy.ListenPath) > len(s[j].Proxy.ListenPath)
}
type SortableAPISpecListByHost []*APISpec
func (s SortableAPISpecListByHost) Len() int {
return len(s)
}
func (s SortableAPISpecListByHost) Swap(i, j int) {
s[i], s[j] = s[j], s[i]
}
func (s SortableAPISpecListByHost) Less(i, j int) bool {
return len(s[i].Domain) > len(s[j].Domain)
}
// Create the individual API (app) specs based on live configurations and assign middleware
func loadApps(APISpecs *[]*APISpec, Muxer *mux.Router) {
// load the APi defs
log.WithFields(logrus.Fields{
"prefix": "main",
}).Info("Loading API configurations.")
var tempSpecRegister = make(map[string]*APISpec)
// Only create this once, add other types here as needed, seems wasteful but we can let the GC handle it
redisStore := RedisClusterStorageManager{KeyPrefix: "apikey-", HashKeys: config.HashKeys}
redisOrgStore := RedisClusterStorageManager{KeyPrefix: "orgkey."}
healthStore := &RedisClusterStorageManager{KeyPrefix: "apihealth."}
rpcAuthStore := RPCStorageHandler{KeyPrefix: "apikey-", HashKeys: config.HashKeys, UserKey: config.SlaveOptions.APIKey, Address: config.SlaveOptions.ConnectionString}
rpcOrgStore := RPCStorageHandler{KeyPrefix: "orgkey.", UserKey: config.SlaveOptions.APIKey, Address: config.SlaveOptions.ConnectionString}
if config.SlaveOptions.UseRPC {
StartRPCKeepaliveWatcher(&rpcAuthStore)
StartRPCKeepaliveWatcher(&rpcOrgStore)
}
listenPaths := make(map[string][]string)
FallbackKeySesionManager.Init(&redisStore)
sort.Sort(SortableAPISpecListByHost(*APISpecs))
sort.Sort(SortableAPISpecListByListen(*APISpecs))
// Create a new handler for each API spec
for _, referenceSpec := range *APISpecs {
var skip bool
// We need a reference to this as we change it on the go and re-use it in a global index
//referenceSpec := (*APISpecs)[apiIndex]
log.WithFields(logrus.Fields{
"prefix": "main",
}).Info("--> Loading API: ", referenceSpec.APIDefinition.Name)
// Handle custom domains
var subrouter *mux.Router
if config.EnableCustomDomains {
if referenceSpec.Domain != "" {
log.WithFields(logrus.Fields{
"prefix": "main",
}).Info("----> Custom Domain: ", referenceSpec.Domain)
subrouter = mainRouter.Host(referenceSpec.Domain).Subrouter()
} else {
subrouter = Muxer
}
} else {
subrouter = Muxer
}
onDomains, listenPathExists := listenPaths[referenceSpec.Proxy.ListenPath]
if listenPathExists {
if config.EnableCustomDomains == false {
log.WithFields(logrus.Fields{
"prefix": "main",
}).Error("Duplicate listen path found, skipping. API ID: ", referenceSpec.APIID)
skip = true
} else {
log.WithFields(logrus.Fields{
"prefix": "main",
}).Info("Domain check...")
for _, onDomain := range onDomains {
log.WithFields(logrus.Fields{
"prefix": "main",
}).Info("Checking Domain: ", onDomain)
if onDomain == referenceSpec.Domain {
log.WithFields(logrus.Fields{
"prefix": "main",
}).Error("Duplicate listen path found on domain, skipping. API ID: ", referenceSpec.APIID)
skip = true
break
}
}
}
}
if referenceSpec.Proxy.ListenPath == "" {
log.WithFields(logrus.Fields{
"prefix": "main",
}).Error("Listen path is empty, skipping API ID: ", referenceSpec.APIID)
skip = true
}
if strings.Contains(referenceSpec.Proxy.ListenPath, " ") {
log.WithFields(logrus.Fields{
"prefix": "main",
}).Error("Listen path contains spaces, is invalid, skipping API ID: ", referenceSpec.APIID)
skip = true
}
remote, err := url.Parse(referenceSpec.APIDefinition.Proxy.TargetURL)
if err != nil {
log.WithFields(logrus.Fields{
"prefix": "main",
}).Error("Culdn't parse target URL: ", err)
}
// Set up LB targets:
if referenceSpec.Proxy.EnableLoadBalancing {
thisSL := tykcommon.NewHostListFromList(referenceSpec.Proxy.Targets)
referenceSpec.Proxy.StructuredTargetList = *thisSL
}
if !skip {
listenPaths[referenceSpec.Proxy.ListenPath] = append(listenPaths[referenceSpec.Proxy.ListenPath], referenceSpec.Domain)
dN := referenceSpec.Domain
if dN == "" {
dN = "(no host)"
}
log.WithFields(logrus.Fields{
"prefix": "main",
}).Info("----> Tracking: ", dN)
// Initialise the auth and session managers (use Redis for now)
var authStore StorageHandler
var sessionStore StorageHandler
var orgStore StorageHandler
authStorageEngineToUse := referenceSpec.AuthProvider.StorageEngine
// if config.SlaveOptions.OverrideDefinitionStorageSettings {
// authStorageEngineToUse = RPCStorageEngine
// }
switch authStorageEngineToUse {
case DefaultStorageEngine:
authStore = &redisStore
orgStore = &redisOrgStore
case LDAPStorageEngine:
thisStorageEngine := LDAPStorageHandler{}
thisStorageEngine.LoadConfFromMeta(referenceSpec.AuthProvider.Meta)
authStore = &thisStorageEngine
orgStore = &redisOrgStore
case RPCStorageEngine:
thisStorageEngine := &rpcAuthStore // &RPCStorageHandler{KeyPrefix: "apikey-", HashKeys: config.HashKeys, UserKey: config.SlaveOptions.APIKey, Address: config.SlaveOptions.ConnectionString}
authStore = thisStorageEngine
orgStore = &rpcOrgStore // &RPCStorageHandler{KeyPrefix: "orgkey.", UserKey: config.SlaveOptions.APIKey, Address: config.SlaveOptions.ConnectionString}
config.EnforceOrgDataAge = true
default:
authStore = &redisStore
orgStore = &redisOrgStore
}
SessionStorageEngineToUse := referenceSpec.SessionProvider.StorageEngine
// if config.SlaveOptions.OverrideDefinitionStorageSettings {
// SessionStorageEngineToUse = RPCStorageEngine
// }
switch SessionStorageEngineToUse {
case DefaultStorageEngine:
sessionStore = &redisStore
case RPCStorageEngine:
sessionStore = &RPCStorageHandler{KeyPrefix: "apikey-", HashKeys: config.HashKeys, UserKey: config.SlaveOptions.APIKey, Address: config.SlaveOptions.ConnectionString}
default:
sessionStore = &redisStore
}
// Health checkers are initialised per spec so that each API handler has it's own connection and redis sotorage pool
referenceSpec.Init(authStore, sessionStore, healthStore, orgStore)
//Set up all the JSVM middleware
mwPaths := []string{}
mwPreFuncs := []tykcommon.MiddlewareDefinition{}
mwPostFuncs := []tykcommon.MiddlewareDefinition{}
if config.EnableJSVM {
log.WithFields(logrus.Fields{
"prefix": "main",
}).Debug("----> Loading Middleware")
mwPaths, mwPreFuncs, mwPostFuncs = loadCustomMiddleware(referenceSpec)
referenceSpec.JSVM.LoadJSPaths(mwPaths)
}
if referenceSpec.EnableBatchRequestSupport {
addBatchEndpoint(referenceSpec, subrouter)
}
if referenceSpec.UseOauth2 {
log.Debug("Loading OAuth Manager")
if !RPC_EmergencyMode {
thisOauthManager := addOAuthHandlers(referenceSpec, subrouter, false)
log.Debug("-- Added OAuth Handlers")
referenceSpec.OAuthManager = thisOauthManager
log.Debug("Done loading OAuth Manager")
} else {
log.Warning("RPC Emergency mode detected! OAuth APIs will not function!")
}
}
enableVersionOverrides := false
for _, versionData := range referenceSpec.VersionData.Versions {
if versionData.OverrideTarget != "" {
enableVersionOverrides = true
break
}
}
referenceSpec.target = remote
var proxy ReturningHttpHandler
if enableVersionOverrides {
log.WithFields(logrus.Fields{
"prefix": "main",
}).Info("----> Multi target enabled")
proxy = &MultiTargetProxy{}
} else {
proxy = TykNewSingleHostReverseProxy(remote, referenceSpec)
}
// initialise the proxy
proxy.New(nil, referenceSpec)
// Create the response processors
creeateResponseMiddlewareChain(referenceSpec)
//proxyHandler := http.HandlerFunc(ProxyHandler(proxy, referenceSpec))
tykMiddleware := &TykMiddleware{referenceSpec, proxy}
keyPrefix := "cache-" + referenceSpec.APIDefinition.APIID
CacheStore := &RedisClusterStorageManager{KeyPrefix: keyPrefix}
CacheStore.Connect()
if referenceSpec.APIDefinition.UseKeylessAccess {
log.WithFields(logrus.Fields{
"prefix": "main",
}).Info("----> Checking security policy: Open")
// Add pre-process MW
var chainArray = []alice.Constructor{}
handleCORS(&chainArray, referenceSpec)
var baseChainArray = []alice.Constructor{
CreateMiddleware(&IPWhiteListMiddleware{TykMiddleware: tykMiddleware}, tykMiddleware),
CreateMiddleware(&OrganizationMonitor{TykMiddleware: tykMiddleware}, tykMiddleware),
CreateMiddleware(&MiddlewareContextVars{TykMiddleware: tykMiddleware}, tykMiddleware),
CreateMiddleware(&VersionCheck{TykMiddleware: tykMiddleware}, tykMiddleware),
CreateMiddleware(&RequestSizeLimitMiddleware{tykMiddleware}, tykMiddleware),
CreateMiddleware(&TransformMiddleware{tykMiddleware}, tykMiddleware),
CreateMiddleware(&TransformHeaders{TykMiddleware: tykMiddleware}, tykMiddleware),
CreateMiddleware(&RedisCacheMiddleware{TykMiddleware: tykMiddleware, CacheStore: CacheStore}, tykMiddleware),
CreateMiddleware(&VirtualEndpoint{TykMiddleware: tykMiddleware}, tykMiddleware),
CreateMiddleware(&URLRewriteMiddleware{TykMiddleware: tykMiddleware}, tykMiddleware),
CreateMiddleware(&TransformMethod{TykMiddleware: tykMiddleware}, tykMiddleware),
}
for _, obj := range mwPreFuncs {
chainArray = append(chainArray, CreateDynamicMiddleware(obj.Name, true, obj.RequireSession, tykMiddleware))
}
for _, baseMw := range baseChainArray {
chainArray = append(chainArray, baseMw)
}
for _, obj := range mwPostFuncs {
chainArray = append(chainArray, CreateDynamicMiddleware(obj.Name, false, obj.RequireSession, tykMiddleware))
}
// for KeyLessAccess we can't support rate limiting, versioning or access rules
chain := alice.New(chainArray...).Then(DummyProxyHandler{SH: SuccessHandler{tykMiddleware}})
log.WithFields(logrus.Fields{
"prefix": "main",
}).Debug("----> Setting Listen Path: ", referenceSpec.Proxy.ListenPath)
subrouter.Handle(referenceSpec.Proxy.ListenPath+"{rest:.*}", chain)
} else {
// Select the keying method to use for setting session states
var keyCheck func(http.Handler) http.Handler
if referenceSpec.APIDefinition.UseOauth2 {
// Oauth2
log.WithFields(logrus.Fields{
"prefix": "main",
}).Info("----> Checking security policy: OAuth")
keyCheck = CreateMiddleware(&Oauth2KeyExists{tykMiddleware}, tykMiddleware)
} else if referenceSpec.APIDefinition.UseBasicAuth {
// Basic Auth
log.WithFields(logrus.Fields{
"prefix": "main",
}).Info("----> Checking security policy: Basic")
keyCheck = CreateMiddleware(&BasicAuthKeyIsValid{tykMiddleware}, tykMiddleware)
} else if referenceSpec.EnableSignatureChecking {
// HMAC Auth
log.WithFields(logrus.Fields{
"prefix": "main",
}).Info("----> Checking security policy: HMAC")
keyCheck = CreateMiddleware(&HMACMiddleware{tykMiddleware}, tykMiddleware)
} else if referenceSpec.EnableJWT {
// JWT Auth
log.WithFields(logrus.Fields{
"prefix": "main",
}).Info("----> Checking security policy: JWT")
keyCheck = CreateMiddleware(&JWTMiddleware{tykMiddleware}, tykMiddleware)
} else if referenceSpec.UseOpenID {
// JWT Auth
log.WithFields(logrus.Fields{
"prefix": "main",
}).Info("----> Checking security policy: OpenID")
// initialise the OID configuration on this reference Spec
keyCheck = CreateMiddleware(&OpenIDMW{TykMiddleware: tykMiddleware}, tykMiddleware)
} else {
// Auth key
log.WithFields(logrus.Fields{
"prefix": "main",
}).Info("----> Checking security policy: Token")
keyCheck = CreateMiddleware(&AuthKey{tykMiddleware}, tykMiddleware)
}
log.Debug("Chain array start")
var chainArray = []alice.Constructor{}
handleCORS(&chainArray, referenceSpec)
var baseChainArray = []alice.Constructor{
CreateMiddleware(&IPWhiteListMiddleware{TykMiddleware: tykMiddleware}, tykMiddleware),
CreateMiddleware(&OrganizationMonitor{TykMiddleware: tykMiddleware}, tykMiddleware),
CreateMiddleware(&VersionCheck{TykMiddleware: tykMiddleware}, tykMiddleware),
CreateMiddleware(&RequestSizeLimitMiddleware{tykMiddleware}, tykMiddleware),
CreateMiddleware(&MiddlewareContextVars{TykMiddleware: tykMiddleware}, tykMiddleware),
keyCheck,
CreateMiddleware(&KeyExpired{tykMiddleware}, tykMiddleware),
CreateMiddleware(&AccessRightsCheck{tykMiddleware}, tykMiddleware),
//CreateMiddleware(&WebsockethandlerMiddleware{TykMiddleware: tykMiddleware}, tykMiddleware),
CreateMiddleware(&RateLimitAndQuotaCheck{tykMiddleware}, tykMiddleware),
CreateMiddleware(&GranularAccessMiddleware{tykMiddleware}, tykMiddleware),
CreateMiddleware(&TransformMiddleware{tykMiddleware}, tykMiddleware),
CreateMiddleware(&TransformHeaders{TykMiddleware: tykMiddleware}, tykMiddleware),
CreateMiddleware(&URLRewriteMiddleware{TykMiddleware: tykMiddleware}, tykMiddleware),
CreateMiddleware(&RedisCacheMiddleware{TykMiddleware: tykMiddleware, CacheStore: CacheStore}, tykMiddleware),
CreateMiddleware(&TransformMethod{TykMiddleware: tykMiddleware}, tykMiddleware),
CreateMiddleware(&VirtualEndpoint{TykMiddleware: tykMiddleware}, tykMiddleware),
}
log.Debug("Chain array end")
// Add pre-process MW
for _, obj := range mwPreFuncs {
chainArray = append(chainArray, CreateDynamicMiddleware(obj.Name, true, obj.RequireSession, tykMiddleware))
}
for _, baseMw := range baseChainArray {
chainArray = append(chainArray, baseMw)
}
for _, obj := range mwPostFuncs {
chainArray = append(chainArray, CreateDynamicMiddleware(obj.Name, false, obj.RequireSession, tykMiddleware))
}
log.WithFields(logrus.Fields{
"prefix": "main",
}).Debug("----> Custom middleware processed")
// Use CreateMiddleware(&ModifiedMiddleware{tykMiddleware}, tykMiddleware) to run custom middleware
chain := alice.New(chainArray...).Then(DummyProxyHandler{SH: SuccessHandler{tykMiddleware}})
log.Debug("Chain completed")
userCheckHandler := http.HandlerFunc(UserRatesCheck())
simpleChain := alice.New(
CreateMiddleware(&IPWhiteListMiddleware{tykMiddleware}, tykMiddleware),
CreateMiddleware(&OrganizationMonitor{TykMiddleware: tykMiddleware}, tykMiddleware),
CreateMiddleware(&VersionCheck{TykMiddleware: tykMiddleware}, tykMiddleware),
keyCheck,
CreateMiddleware(&KeyExpired{tykMiddleware}, tykMiddleware),
CreateMiddleware(&AccessRightsCheck{tykMiddleware}, tykMiddleware)).Then(userCheckHandler)
rateLimitPath := fmt.Sprintf("%s%s", referenceSpec.Proxy.ListenPath, "tyk/rate-limits/")
log.WithFields(logrus.Fields{
"prefix": "main",
}).Debug("----> Rate limits available at: ", rateLimitPath)
subrouter.Handle(rateLimitPath, simpleChain)
log.WithFields(logrus.Fields{
"prefix": "main",
}).Info("----> Setting Listen Path: ", referenceSpec.Proxy.ListenPath)
subrouter.Handle(referenceSpec.Proxy.ListenPath+"{rest:.*}", chain)
log.Debug("Subrouter done")
}
tempSpecRegister[referenceSpec.APIDefinition.APIID] = referenceSpec
log.Debug("tempSpecRegister done")
} else {
log.WithFields(logrus.Fields{
"prefix": "main",
}).Warning("----> Skipped!")
}
}
// Swap in the new register
ApiSpecRegister = &tempSpecRegister
log.Debug("Checker host list")
// Kick off our host checkers
if config.UptimeTests.Disable == false {
SetCheckerHostList()
}
log.Debug("Checker host Done")
log.WithFields(logrus.Fields{
"prefix": "main",
}).Info("Initialised API Definitions")
}
func RPCReloadLoop(RPCKey string) {
for {
RPCListener.CheckForReload(config.SlaveOptions.RPCKey)
}
}
func doReload() {
time.Sleep(10 * time.Second)
// Load the API Policies
getPolicies()
// load the specs
specs := getAPISpecs()
if len(*specs) == 0 {
log.WithFields(logrus.Fields{
"prefix": "main",
}).Warning("No API Definitions found, not reloading")
reloadScheduled = false
return
}
// We have updated specs, lets load those...
// Kill RPC if available
if config.SlaveOptions.UseRPC {
ClearRPCClients()
}
// Reset the JSVM
GlobalEventsJSVM.Init(config.TykJSPath)
newRouter := mux.NewRouter()