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net/http: don't write body for HEAD responses in Response.Write
Fixes #62015 Change-Id: I88c5427f85e740d5b956942bb1c2727dac2935ea Reviewed-on: https://go-review.googlesource.com/c/go/+/601238 Reviewed-by: Michael Knyszek <mknyszek@google.com> Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org> LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
This commit is contained in:
Damien Neil
parent
aa97a012b4
commit
fad6390f38
@ -22,6 +22,7 @@ import (
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type respTest struct {
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Raw string
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RawOut string
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Resp Response
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Body string
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}
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@ -42,6 +43,11 @@ var respTests = []respTest{
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"\r\n" +
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"Body here\n",
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"HTTP/1.0 200 OK\r\n" +
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"Connection: close\r\n" +
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"\r\n" +
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"Body here\n",
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Response{
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Status: "200 OK",
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StatusCode: 200,
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@ -66,6 +72,11 @@ var respTests = []respTest{
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"\r\n" +
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"Body here\n",
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"HTTP/1.1 200 OK\r\n" +
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"Connection: close\r\n" +
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"\r\n" +
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"Body here\n",
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Response{
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Status: "200 OK",
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StatusCode: 200,
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@ -87,6 +98,9 @@ var respTests = []respTest{
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"\r\n" +
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"Body should not be read!\n",
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"HTTP/1.1 204 No Content\r\n" +
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"\r\n",
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Response{
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Status: "204 No Content",
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StatusCode: 204,
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@ -110,6 +124,12 @@ var respTests = []respTest{
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"\r\n" +
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"Body here\n",
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"HTTP/1.0 200 OK\r\n" +
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"Content-Length: 10\r\n" +
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"Connection: close\r\n" +
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"\r\n" +
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"Body here\n",
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Response{
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Status: "200 OK",
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StatusCode: 200,
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@ -140,6 +160,14 @@ var respTests = []respTest{
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"0\r\n" +
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"\r\n",
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"HTTP/1.1 200 OK\r\n" +
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"Transfer-Encoding: chunked\r\n" +
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"\r\n" +
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"13\r\n" +
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"Body here\ncontinued\r\n" +
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"0\r\n" +
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"\r\n",
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Response{
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Status: "200 OK",
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StatusCode: 200,
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@ -165,6 +193,12 @@ var respTests = []respTest{
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"\r\n" +
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"Body here\n",
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"HTTP/1.0 200 OK\r\n" +
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"Content-Length: 10\r\n" +
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"Connection: close\r\n" +
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"\r\n" +
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"Body here\n",
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Response{
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Status: "200 OK",
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StatusCode: 200,
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@ -195,6 +229,14 @@ var respTests = []respTest{
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"0\r\n" +
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"\r\n",
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"HTTP/1.1 200 OK\r\n" +
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"Transfer-Encoding: chunked\r\n" +
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"\r\n" +
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"a\r\n" +
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"Body here\n\r\n" +
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"0\r\n" +
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"\r\n",
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Response{
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Status: "200 OK",
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StatusCode: 200,
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@ -217,6 +259,10 @@ var respTests = []respTest{
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"Transfer-Encoding: chunked\r\n" +
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"\r\n",
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"HTTP/1.1 200 OK\r\n" +
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"Transfer-Encoding: chunked\r\n" +
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"\r\n",
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Response{
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Status: "200 OK",
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StatusCode: 200,
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@ -239,6 +285,11 @@ var respTests = []respTest{
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"Content-Length: 256\r\n" +
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"\r\n",
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"HTTP/1.0 200 OK\r\n" +
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"Connection: close\r\n" +
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"Content-Length: 256\r\n" +
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"\r\n",
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Response{
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Status: "200 OK",
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StatusCode: 200,
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@ -261,6 +312,10 @@ var respTests = []respTest{
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"Content-Length: 256\r\n" +
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"\r\n",
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"HTTP/1.1 200 OK\r\n" +
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"Content-Length: 256\r\n" +
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"\r\n",
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Response{
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Status: "200 OK",
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StatusCode: 200,
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@ -282,6 +337,10 @@ var respTests = []respTest{
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"HTTP/1.0 200 OK\r\n" +
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"\r\n",
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"HTTP/1.0 200 OK\r\n" +
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"Connection: close\r\n" +
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"\r\n",
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Response{
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Status: "200 OK",
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StatusCode: 200,
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@ -304,6 +363,10 @@ var respTests = []respTest{
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"Content-Length: 0\r\n" +
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"\r\n",
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"HTTP/1.1 200 OK\r\n" +
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"Content-Length: 0\r\n" +
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"\r\n",
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Response{
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Status: "200 OK",
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StatusCode: 200,
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@ -325,6 +388,11 @@ var respTests = []respTest{
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// (permitted by RFC 7230, section 3.1.2)
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{
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"HTTP/1.0 303 \r\n\r\n",
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"HTTP/1.0 303 \r\n" +
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"Connection: close\r\n" +
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"\r\n",
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Response{
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Status: "303 ",
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StatusCode: 303,
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@ -344,6 +412,11 @@ var respTests = []respTest{
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// (not permitted by RFC 7230, but we'll accept it anyway)
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{
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"HTTP/1.0 303\r\n\r\n",
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"HTTP/1.0 303 303\r\n" +
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"Connection: close\r\n" +
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"\r\n",
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Response{
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Status: "303",
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StatusCode: 303,
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@ -366,6 +439,13 @@ Connection: close
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Content-Type: multipart/byteranges; boundary=18a75608c8f47cef
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some body`,
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"HTTP/1.1 206 Partial Content\r\n" +
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"Connection: close\r\n" +
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"Content-Type: multipart/byteranges; boundary=18a75608c8f47cef\r\n" +
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"\r\n" +
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"some body",
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Response{
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Status: "206 Partial Content",
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StatusCode: 206,
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@ -390,6 +470,11 @@ some body`,
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"\r\n" +
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"Body here\n",
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"HTTP/1.0 200 OK\r\n" +
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"Connection: close\r\n" +
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"\r\n" +
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"Body here\n",
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Response{
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Status: "200 OK",
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StatusCode: 200,
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@ -415,6 +500,14 @@ some body`,
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"Content-Length: 6\r\n\r\n" +
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"foobar",
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"HTTP/1.1 206 Partial Content\r\n" +
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"Content-Length: 6\r\n" +
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"Accept-Ranges: bytes\r\n" +
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"Content-Range: bytes 0-5/1862\r\n" +
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"Content-Type: text/plain; charset=utf-8\r\n" +
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"\r\n" +
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"foobar",
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Response{
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Status: "206 Partial Content",
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StatusCode: 206,
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@ -441,6 +534,11 @@ some body`,
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"Connection: keep-alive, close\r\n" +
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"\r\n",
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"HTTP/1.1 200 OK\r\n" +
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"Connection: close\r\n" +
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"Content-Length: 256\r\n" +
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"\r\n",
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Response{
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Status: "200 OK",
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StatusCode: 200,
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@ -467,6 +565,11 @@ some body`,
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"Connection: close\r\n" +
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"\r\n",
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"HTTP/1.1 200 OK\r\n" +
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"Connection: close\r\n" +
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"Content-Length: 256\r\n" +
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"\r\n",
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Response{
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Status: "200 OK",
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StatusCode: 200,
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@ -493,6 +596,11 @@ some body`,
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"\r\n" +
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"Body here\n",
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"HTTP/1.0 200 OK\r\n" +
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"Connection: close\r\n" +
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"\r\n" +
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"Body here\n",
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Response{
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Status: "200 OK",
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StatusCode: 200,
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@ -517,6 +625,12 @@ some body`,
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"\r\n" +
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"Body here\n",
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"HTTP/1.0 200 OK\r\n" +
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"Connection: close\r\n" +
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"Content-Length: 10\r\n" +
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"\r\n" +
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"Body here\n",
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Response{
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Status: "200 OK",
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StatusCode: 200,
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@ -541,6 +655,14 @@ some body`,
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"Connection: keep-alive\r\n" +
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"Keep-Alive: timeout=7200\r\n\r\n" +
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"\x1f\x8b\b\x00\x00\x00\x00\x00\x00\x00s\xf3\xf7\a\x00\xab'\xd4\x1a\x03\x00\x00\x00",
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"HTTP/1.1 200 OK\r\n" +
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"Content-Length: 23\r\n" +
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"Connection: keep-alive\r\n" +
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"Content-Encoding: gzip\r\n" +
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"Keep-Alive: timeout=7200\r\n\r\n" +
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"\x1f\x8b\b\x00\x00\x00\x00\x00\x00\x00s\xf3\xf7\a\x00\xab'\xd4\x1a\x03\x00\x00\x00",
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Response{
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Status: "200 OK",
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StatusCode: 200,
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@ -566,6 +688,14 @@ some body`,
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"Content-type: text/html\r\n" +
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"WWW-Authenticate: Basic realm=\"\"\r\n\r\n" +
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"Your Authentication failed.\r\n",
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"HTTP/1.0 401 Unauthorized\r\n" +
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"Connection: close\r\n" +
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"Content-Type: text/html\r\n" +
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"Www-Authenticate: Basic realm=\"\"\r\n" +
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"\r\n" +
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"Your Authentication failed.\r\n",
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Response{
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Status: "401 Unauthorized",
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StatusCode: 401,
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@ -619,11 +749,18 @@ func TestWriteResponse(t *testing.T) {
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t.Errorf("#%d: %v", i, err)
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continue
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}
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err = resp.Write(io.Discard)
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var buf bytes.Buffer
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err = resp.Write(&buf)
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if err != nil {
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t.Errorf("#%d: %v", i, err)
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continue
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}
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if got, want := buf.String(), tt.RawOut; got != want {
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t.Errorf("#%d: response differs; got:\n----\n%v\n----\nwant:\n----\n%v\n----\n",
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i,
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strings.ReplaceAll(got, "\r", "\\r"),
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strings.ReplaceAll(want, "\r", "\\r"))
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}
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}
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}
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@ -350,7 +350,7 @@ func (t *transferWriter) writeBody(w io.Writer) (err error) {
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// nopCloser or readTrackingBody. This is to ensure that we can take advantage of
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// OS-level optimizations in the event that the body is an
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// *os.File.
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if t.Body != nil {
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if !t.ResponseToHEAD && t.Body != nil {
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var body = t.unwrapBody()
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if chunked(t.TransferEncoding) {
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if bw, ok := w.(*bufio.Writer); ok && !t.IsResponse {
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@ -392,7 +392,7 @@ func (t *transferWriter) writeBody(w io.Writer) (err error) {
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t.ContentLength, ncopy)
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}
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if chunked(t.TransferEncoding) {
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if !t.ResponseToHEAD && chunked(t.TransferEncoding) {
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// Write Trailer header
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if t.Trailer != nil {
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if err := t.Trailer.Write(w); err != nil {
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