mirror of https://github.com/perkeep/perkeep.git
154 lines
3.6 KiB
Go
154 lines
3.6 KiB
Go
/*
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Copyright 2011 Google Inc.
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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 main
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import (
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"flag"
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"fmt"
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"log"
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"net/http"
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"net/url"
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"os"
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"strconv"
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"strings"
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"camlistore.org/pkg/client"
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"camlistore.org/pkg/cmdmain"
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"camlistore.org/pkg/httputil"
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"camlistore.org/pkg/jsonsign"
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)
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const buffered = 16 // arbitrary
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var (
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flagProxyLocal = false
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flagHTTP = flag.Bool("verbose_http", false, "show HTTP request summaries")
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)
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var cachedUploader *Uploader // initialized by getUploader
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func init() {
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if debug, _ := strconv.ParseBool(os.Getenv("CAMLI_DEBUG")); debug {
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flag.BoolVar(&flagProxyLocal, "proxy_local", false, "If true, the HTTP_PROXY environment is also used for localhost requests. This can be helpful during debugging.")
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}
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cmdmain.ExtraFlagRegistration = func() {
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client.AddFlags()
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}
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cmdmain.PreExit = func() {
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up := getUploader()
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stats := up.Stats()
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log.Printf("Client stats: %s", stats.String())
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log.Printf(" #HTTP reqs: %d", up.transport.Requests())
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}
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}
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func getUploader() *Uploader {
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if cachedUploader == nil {
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cachedUploader = newUploader()
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}
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return cachedUploader
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}
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func handleResult(what string, pr *client.PutResult, err error) error {
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if err != nil {
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log.Printf("Error putting %s: %s", what, err)
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cmdmain.ExitWithFailure = true
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return err
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}
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fmt.Println(pr.BlobRef.String())
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return nil
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}
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func getenvEitherCase(k string) string {
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if v := os.Getenv(strings.ToUpper(k)); v != "" {
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return v
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}
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return os.Getenv(strings.ToLower(k))
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}
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// proxyFromEnvironment is similar to http.ProxyFromEnvironment but it skips
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// $NO_PROXY blacklist so it proxies every requests, including localhost
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// requests.
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func proxyFromEnvironment(req *http.Request) (*url.URL, error) {
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proxy := getenvEitherCase("HTTP_PROXY")
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if proxy == "" {
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return nil, nil
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}
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proxyURL, err := url.Parse(proxy)
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if err != nil || proxyURL.Scheme == "" {
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if u, err := url.Parse("http://" + proxy); err == nil {
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proxyURL = u
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err = nil
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}
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}
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if err != nil {
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return nil, fmt.Errorf("invalid proxy address %q: %v", proxy, err)
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}
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return proxyURL, nil
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}
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func newUploader() *Uploader {
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cc := client.NewOrFail()
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if !*cmdmain.FlagVerbose {
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cc.SetLogger(nil)
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}
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var transport http.RoundTripper
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proxy := http.ProxyFromEnvironment
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if flagProxyLocal {
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proxy = proxyFromEnvironment
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}
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tlsConfig, err := cc.TLSConfig()
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if err != nil {
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log.Fatalf("Error while configuring TLS for client: %v", err)
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}
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transport = &http.Transport{
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Dial: cc.DialFunc(),
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TLSClientConfig: tlsConfig,
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Proxy: proxy,
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}
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httpStats := &httputil.StatsTransport{
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VerboseLog: *flagHTTP,
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Transport: transport,
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}
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transport = httpStats
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if client.AndroidOutput() {
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transport = client.AndroidStatsTransport{transport}
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}
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cc.SetHTTPClient(&http.Client{Transport: transport})
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pwd, err := os.Getwd()
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if err != nil {
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log.Fatalf("os.Getwd: %v", err)
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}
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return &Uploader{
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Client: cc,
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transport: httpStats,
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pwd: pwd,
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entityFetcher: &jsonsign.CachingEntityFetcher{
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Fetcher: &jsonsign.FileEntityFetcher{File: cc.SecretRingFile()},
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},
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}
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}
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func main() {
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cmdmain.Main()
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}
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