Ta-Ching ChenandSoam Vasani
990d943f21
Establish a proxy server from the controller to the log database. Redirect query commands send from client to database then proxy back the db response. Use parameter binding instead of fmt.Sprintf to prevent SQL injection.
140 lines
4.7 KiB
Go
140 lines
4.7 KiB
Go
/*
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Copyright 2016 The Fission Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package controller
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import (
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"fmt"
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"net/http"
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"os"
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"runtime/debug"
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"strings"
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log "github.com/Sirupsen/logrus"
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"github.com/gorilla/handlers"
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"github.com/gorilla/mux"
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"github.com/fission/fission"
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"github.com/fission/fission/fission/logdb"
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)
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type (
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API struct {
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FunctionStore
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HTTPTriggerStore
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TimeTriggerStore
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EnvironmentStore
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WatchStore
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}
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logDBConfig struct {
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httpURL string
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username string
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password string
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}
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)
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func MakeAPI(rs *ResourceStore) *API {
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api := &API{
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FunctionStore: FunctionStore{ResourceStore: *rs},
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HTTPTriggerStore: HTTPTriggerStore{ResourceStore: *rs},
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TimeTriggerStore: TimeTriggerStore{ResourceStore: *rs},
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EnvironmentStore: EnvironmentStore{ResourceStore: *rs},
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WatchStore: WatchStore{ResourceStore: *rs},
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}
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return api
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}
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func (api *API) respondWithSuccess(w http.ResponseWriter, resp []byte) {
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w.Header().Set("Content-Type", "application/json; charset=utf-8")
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_, err := w.Write(resp)
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if err != nil {
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// this will probably fail too, but try anyway
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api.respondWithError(w, err)
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}
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}
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func (api *API) respondWithError(w http.ResponseWriter, err error) {
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debug.PrintStack()
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code, msg := fission.GetHTTPError(err)
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log.Errorf("Error: %v: %v", code, msg)
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http.Error(w, msg, code)
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}
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func (api *API) getLogDBConfig(dbType string) logDBConfig {
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dbType = strings.ToUpper(dbType)
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// retrieve db auth config from the env
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url := os.Getenv(fmt.Sprintf("%s_URL", dbType))
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if url == "" {
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// set up default database url
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url = logdb.INFLUXDB_URL
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}
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username := os.Getenv(fmt.Sprintf("%s_USERNAME", dbType))
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password := os.Getenv(fmt.Sprintf("%s_PASSWORD", dbType))
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return logDBConfig{
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httpURL: url,
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username: username,
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password: password,
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}
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}
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func (api *API) HomeHandler(w http.ResponseWriter, r *http.Request) {
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w.Header().Set("Content-Type", "application/json; charset=utf-8")
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fmt.Fprintf(w, "{\"message\": \"Fission API\", \"version\": \"0.1.0\"}\n")
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}
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func (api *API) Serve(port int) {
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r := mux.NewRouter()
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r.HandleFunc("/", api.HomeHandler)
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r.HandleFunc("/v1/functions", api.FunctionApiList).Methods("GET")
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r.HandleFunc("/v1/functions", api.FunctionApiCreate).Methods("POST")
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r.HandleFunc("/v1/functions/{function}", api.FunctionApiGet).Methods("GET")
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r.HandleFunc("/v1/functions/{function}", api.FunctionApiUpdate).Methods("PUT")
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r.HandleFunc("/v1/functions/{function}", api.FunctionApiDelete).Methods("DELETE")
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r.HandleFunc("/v1/triggers/http", api.HTTPTriggerApiList).Methods("GET")
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r.HandleFunc("/v1/triggers/http", api.HTTPTriggerApiCreate).Methods("POST")
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r.HandleFunc("/v1/triggers/http/{httpTrigger}", api.HTTPTriggerApiGet).Methods("GET")
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r.HandleFunc("/v1/triggers/http/{httpTrigger}", api.HTTPTriggerApiUpdate).Methods("PUT")
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r.HandleFunc("/v1/triggers/http/{httpTrigger}", api.HTTPTriggerApiDelete).Methods("DELETE")
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r.HandleFunc("/v1/environments", api.EnvironmentApiList).Methods("GET")
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r.HandleFunc("/v1/environments", api.EnvironmentApiCreate).Methods("POST")
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r.HandleFunc("/v1/environments/{environment}", api.EnvironmentApiGet).Methods("GET")
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r.HandleFunc("/v1/environments/{environment}", api.EnvironmentApiUpdate).Methods("PUT")
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r.HandleFunc("/v1/environments/{environment}", api.EnvironmentApiDelete).Methods("DELETE")
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r.HandleFunc("/v1/watches", api.WatchApiList).Methods("GET")
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r.HandleFunc("/v1/watches", api.WatchApiCreate).Methods("POST")
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r.HandleFunc("/v1/watches/{watch}", api.WatchApiGet).Methods("GET")
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r.HandleFunc("/v1/watches/{watch}", api.WatchApiUpdate).Methods("PUT")
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r.HandleFunc("/v1/watches/{watch}", api.WatchApiDelete).Methods("DELETE")
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r.HandleFunc("/v1/triggers/time", api.TimeTriggerApiList).Methods("GET")
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r.HandleFunc("/v1/triggers/time", api.TimeTriggerApiCreate).Methods("POST")
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r.HandleFunc("/v1/triggers/time/{timeTrigger}", api.TimeTriggerApiGet).Methods("GET")
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r.HandleFunc("/v1/triggers/time/{timeTrigger}", api.TimeTriggerApiUpdate).Methods("PUT")
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r.HandleFunc("/v1/triggers/time/{timeTrigger}", api.TimeTriggerApiDelete).Methods("DELETE")
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r.HandleFunc("/proxy/{dbType}", api.FunctionLogsApiPost).Methods("POST")
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address := fmt.Sprintf(":%v", port)
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log.WithFields(log.Fields{"port": port}).Info("Server started")
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log.Fatal(http.ListenAndServe(address, handlers.LoggingHandler(os.Stdout, r)))
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}
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