scorecard/gitcache/main.go
2021-05-23 20:51:52 -07:00

104 lines
2.6 KiB
Go

// Copyright 2020 Security Scorecard Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package main
import (
"encoding/json"
"fmt"
"log"
"net/http"
"os"
"go.uber.org/zap"
"github.com/ossf/scorecard/gitcache/pkg"
)
type cache struct {
URL string `json:"url"`
}
var (
blob, tempDir string
logf func(s string, f ...interface{})
)
func handler(w http.ResponseWriter, r *http.Request) {
switch r.Method {
case "POST":
d := json.NewDecoder(r.Body)
c := &cache{}
if err := d.Decode(c); err != nil {
http.Error(w, err.Error(), http.StatusBadRequest)
return
}
cache, err := pkg.NewCacheService(blob, tempDir, logf)
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
if err := cache.UpdateCache(c.URL); err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
case "GET":
// liveness and readiness probe.
fmt.Fprintf(w, "I am alive.")
w.WriteHeader(http.StatusOK)
return
default:
w.WriteHeader(http.StatusMethodNotAllowed)
fmt.Fprintf(w, "I can't do that.")
}
}
func main() {
logLevel := zap.LevelFlag("verbosity", zap.InfoLevel, "override the default log level")
cfg := zap.NewProductionConfig()
cfg.Level.SetLevel(*logLevel)
logger, err := cfg.Build()
if err != nil {
log.Panic(err)
}
//nolint
defer logger.Sync() // flushes buffer, if any
sugar := logger.Sugar()
// no need to lock this as it being written only within this method.
blob = os.Getenv("BLOB_URL")
if blob == "" {
log.Panic("BLOB_URL env is not set.")
}
// tempDir is the storage space for archiving the repository.
// not using the tempfs https://en.wikipedia.org/wiki/Tmpfs as it is in memory and some of the
// repositories can be in large.
tempDir = os.Getenv("TEMP_DIR")
if tempDir == "" {
log.Panic("TEMP_DIR env is not set.")
}
sugar.Info("BLOB_URL:%s", blob)
sugar.Info("TEMP_DIR:%s", tempDir)
// no need to lock this as it being written only within this method.
logf = sugar.Infof
http.HandleFunc("/", handler)
sugar.Info("Starting server for testing HTTP POST...\n")
if err := http.ListenAndServe(":8080", nil); err != nil {
sugar.Fatal(err)
}
}