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author | Christopher Speller <crspeller@gmail.com> | 2018-04-16 05:37:14 -0700 |
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committer | Joram Wilander <jwawilander@gmail.com> | 2018-04-16 08:37:14 -0400 |
commit | 6e2cb00008cbf09e556b00f87603797fcaa47e09 (patch) | |
tree | 3c0eb55ff4226a3f024aad373140d1fb860a6404 /vendor/google.golang.org/appengine/urlfetch | |
parent | bf24f51c4e1cc6286885460672f7f449e8c6f5ef (diff) | |
download | chat-6e2cb00008cbf09e556b00f87603797fcaa47e09.tar.gz chat-6e2cb00008cbf09e556b00f87603797fcaa47e09.tar.bz2 chat-6e2cb00008cbf09e556b00f87603797fcaa47e09.zip |
Depenancy upgrades and movign to dep. (#8630)
Diffstat (limited to 'vendor/google.golang.org/appengine/urlfetch')
-rw-r--r-- | vendor/google.golang.org/appengine/urlfetch/urlfetch.go | 210 |
1 files changed, 0 insertions, 210 deletions
diff --git a/vendor/google.golang.org/appengine/urlfetch/urlfetch.go b/vendor/google.golang.org/appengine/urlfetch/urlfetch.go deleted file mode 100644 index 6ffe1e6d9..000000000 --- a/vendor/google.golang.org/appengine/urlfetch/urlfetch.go +++ /dev/null @@ -1,210 +0,0 @@ -// Copyright 2011 Google Inc. All rights reserved. -// Use of this source code is governed by the Apache 2.0 -// license that can be found in the LICENSE file. - -// Package urlfetch provides an http.RoundTripper implementation -// for fetching URLs via App Engine's urlfetch service. -package urlfetch // import "google.golang.org/appengine/urlfetch" - -import ( - "errors" - "fmt" - "io" - "io/ioutil" - "net/http" - "net/url" - "strconv" - "strings" - "time" - - "github.com/golang/protobuf/proto" - "golang.org/x/net/context" - - "google.golang.org/appengine/internal" - pb "google.golang.org/appengine/internal/urlfetch" -) - -// Transport is an implementation of http.RoundTripper for -// App Engine. Users should generally create an http.Client using -// this transport and use the Client rather than using this transport -// directly. -type Transport struct { - Context context.Context - - // Controls whether the application checks the validity of SSL certificates - // over HTTPS connections. A value of false (the default) instructs the - // application to send a request to the server only if the certificate is - // valid and signed by a trusted certificate authority (CA), and also - // includes a hostname that matches the certificate. A value of true - // instructs the application to perform no certificate validation. - AllowInvalidServerCertificate bool -} - -// Verify statically that *Transport implements http.RoundTripper. -var _ http.RoundTripper = (*Transport)(nil) - -// Client returns an *http.Client using a default urlfetch Transport. This -// client will have the default deadline of 5 seconds, and will check the -// validity of SSL certificates. -// -// Any deadline of the provided context will be used for requests through this client; -// if the client does not have a deadline then a 5 second default is used. -func Client(ctx context.Context) *http.Client { - return &http.Client{ - Transport: &Transport{ - Context: ctx, - }, - } -} - -type bodyReader struct { - content []byte - truncated bool - closed bool -} - -// ErrTruncatedBody is the error returned after the final Read() from a -// response's Body if the body has been truncated by App Engine's proxy. -var ErrTruncatedBody = errors.New("urlfetch: truncated body") - -func statusCodeToText(code int) string { - if t := http.StatusText(code); t != "" { - return t - } - return strconv.Itoa(code) -} - -func (br *bodyReader) Read(p []byte) (n int, err error) { - if br.closed { - if br.truncated { - return 0, ErrTruncatedBody - } - return 0, io.EOF - } - n = copy(p, br.content) - if n > 0 { - br.content = br.content[n:] - return - } - if br.truncated { - br.closed = true - return 0, ErrTruncatedBody - } - return 0, io.EOF -} - -func (br *bodyReader) Close() error { - br.closed = true - br.content = nil - return nil -} - -// A map of the URL Fetch-accepted methods that take a request body. -var methodAcceptsRequestBody = map[string]bool{ - "POST": true, - "PUT": true, - "PATCH": true, -} - -// urlString returns a valid string given a URL. This function is necessary because -// the String method of URL doesn't correctly handle URLs with non-empty Opaque values. -// See http://code.google.com/p/go/issues/detail?id=4860. -func urlString(u *url.URL) string { - if u.Opaque == "" || strings.HasPrefix(u.Opaque, "//") { - return u.String() - } - aux := *u - aux.Opaque = "//" + aux.Host + aux.Opaque - return aux.String() -} - -// RoundTrip issues a single HTTP request and returns its response. Per the -// http.RoundTripper interface, RoundTrip only returns an error if there -// was an unsupported request or the URL Fetch proxy fails. -// Note that HTTP response codes such as 5xx, 403, 404, etc are not -// errors as far as the transport is concerned and will be returned -// with err set to nil. -func (t *Transport) RoundTrip(req *http.Request) (res *http.Response, err error) { - methNum, ok := pb.URLFetchRequest_RequestMethod_value[req.Method] - if !ok { - return nil, fmt.Errorf("urlfetch: unsupported HTTP method %q", req.Method) - } - - method := pb.URLFetchRequest_RequestMethod(methNum) - - freq := &pb.URLFetchRequest{ - Method: &method, - Url: proto.String(urlString(req.URL)), - FollowRedirects: proto.Bool(false), // http.Client's responsibility - MustValidateServerCertificate: proto.Bool(!t.AllowInvalidServerCertificate), - } - if deadline, ok := t.Context.Deadline(); ok { - freq.Deadline = proto.Float64(deadline.Sub(time.Now()).Seconds()) - } - - for k, vals := range req.Header { - for _, val := range vals { - freq.Header = append(freq.Header, &pb.URLFetchRequest_Header{ - Key: proto.String(k), - Value: proto.String(val), - }) - } - } - if methodAcceptsRequestBody[req.Method] && req.Body != nil { - // Avoid a []byte copy if req.Body has a Bytes method. - switch b := req.Body.(type) { - case interface { - Bytes() []byte - }: - freq.Payload = b.Bytes() - default: - freq.Payload, err = ioutil.ReadAll(req.Body) - if err != nil { - return nil, err - } - } - } - - fres := &pb.URLFetchResponse{} - if err := internal.Call(t.Context, "urlfetch", "Fetch", freq, fres); err != nil { - return nil, err - } - - res = &http.Response{} - res.StatusCode = int(*fres.StatusCode) - res.Status = fmt.Sprintf("%d %s", res.StatusCode, statusCodeToText(res.StatusCode)) - res.Header = make(http.Header) - res.Request = req - - // Faked: - res.ProtoMajor = 1 - res.ProtoMinor = 1 - res.Proto = "HTTP/1.1" - res.Close = true - - for _, h := range fres.Header { - hkey := http.CanonicalHeaderKey(*h.Key) - hval := *h.Value - if hkey == "Content-Length" { - // Will get filled in below for all but HEAD requests. - if req.Method == "HEAD" { - res.ContentLength, _ = strconv.ParseInt(hval, 10, 64) - } - continue - } - res.Header.Add(hkey, hval) - } - - if req.Method != "HEAD" { - res.ContentLength = int64(len(fres.Content)) - } - - truncated := fres.GetContentWasTruncated() - res.Body = &bodyReader{content: fres.Content, truncated: truncated} - return -} - -func init() { - internal.RegisterErrorCodeMap("urlfetch", pb.URLFetchServiceError_ErrorCode_name) - internal.RegisterTimeoutErrorCode("urlfetch", int32(pb.URLFetchServiceError_DEADLINE_EXCEEDED)) -} |