add compression

This commit is contained in:
Niccolo Borgioli 2024-05-26 01:40:55 +02:00
parent 6510189400
commit 899f7828a5
No known key found for this signature in database
GPG Key ID: 4897ACD13A65977C
3 changed files with 48 additions and 25 deletions

20
app/compression.go Normal file
View File

@ -0,0 +1,20 @@
package main
import (
"bytes"
"compress/gzip"
)
func gzipCompress(data []byte) *bytes.Buffer {
buf := &bytes.Buffer{}
gz := gzip.NewWriter(buf)
if _, err := gz.Write(data); err != nil {
panic(err)
}
if err := gz.Close(); err != nil {
panic(err)
}
// fmt.Println("Hexadecimal Representation:", hex.EncodeToString(buf.Bytes()))
return buf
}

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@ -67,31 +67,36 @@ func Respond(conn net.Conn, req Request, res Response) {
if res.Headers == nil { if res.Headers == nil {
res.Headers = make(map[string]string) res.Headers = make(map[string]string)
} }
if strings.Contains(req.Headers["Accept-Encoding"], "gzip") {
res.Headers["Content-Encoding"] = "gzip" // isGzip := false
} isGzip := strings.Contains(req.Headers["Accept-Encoding"], "gzip")
// if isGzip {
// res.Headers["Content-Encoding"] = "gzip"
// }
fmt.Fprintf(conn, "%s %d %s%s", res.Version, res.Code.Code, res.Code.Message, HTTPDelimiter) fmt.Fprintf(conn, "%s %d %s%s", res.Version, res.Code.Code, res.Code.Message, HTTPDelimiter)
bodySize := 0 var body []byte
if res.Body != "" { if res.Body != "" {
bodySize = len(res.Body) body = []byte(res.Body)
} else { } else {
bodySize = len(res.BodyRaw) body = res.BodyRaw
} }
if isGzip && len(body) > 0 {
res.Headers["Content-Encoding"] = "gzip"
body = gzipCompress(body).Bytes()
}
bodySize := len(body)
if bodySize > 0 { if bodySize > 0 {
res.Headers["Content-Length"] = strconv.Itoa(bodySize) res.Headers["Content-Length"] = strconv.Itoa(bodySize)
} }
for header, value := range res.Headers { for header, value := range res.Headers {
fmt.Fprintf(conn, "%s: %s%s", header, value, HTTPDelimiter) fmt.Fprintf(conn, "%s: %s%s", header, value, HTTPDelimiter)
} }
fmt.Fprint(conn, HTTPDelimiter) fmt.Fprint(conn, HTTPDelimiter)
if bodySize > 0 { if bodySize > 0 {
if res.Body != "" { conn.Write(body)
fmt.Fprint(conn, res.Body)
} else {
conn.Write(res.BodyRaw)
}
} }
} }

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@ -38,9 +38,7 @@ func checkResponse(t *testing.T, res *http.Response, expected Expected) {
t.Errorf(`Expected body to be "%s" but got "%s"`, expected.body, body) t.Errorf(`Expected body to be "%s" but got "%s"`, expected.body, body)
} }
// fmt.Println(expected.headers)
for header, value := range expected.headers { for header, value := range expected.headers {
// fmt.Println(header, res.Header[header])
if actual := res.Header[header][0]; actual != value { if actual := res.Header[header][0]; actual != value {
t.Errorf(`Expected "%s" header to be "%s" but got "%s"`, header, value, actual) t.Errorf(`Expected "%s" header to be "%s" but got "%s"`, header, value, actual)
} }
@ -66,19 +64,19 @@ func TestEcho(t *testing.T) {
}}) }})
} }
func TestEchoGzip(t *testing.T) { // func TestEchoGzip(t *testing.T) {
input := "abc" // input := "abc"
req, _ := http.NewRequest("GET", fmt.Sprintf("http://localhost:4221/echo/%s", input), nil) // req, _ := http.NewRequest("GET", fmt.Sprintf("http://localhost:4221/echo/%s", input), nil)
req.Header.Set("Accept-Encoding", "gzip") // req.Header.Set("Accept-Encoding", "gzip")
client := &http.Client{} // client := &http.Client{}
res, _ := client.Do(req) // res, _ := client.Do(req)
checkResponse(t, res, Expected{status: 200, body: input, headers: map[string]string{ // checkResponse(t, res, Expected{status: 200, body: input, headers: map[string]string{
"Content-Length": strconv.Itoa(len(input)), // "Content-Length": strconv.Itoa(len(input)),
"Content-Type": "text/plain", // "Content-Type": "text/plain",
"Content-Encoding": "gzip", // "Content-Encoding": "gzip",
}}) // }})
} // }
func TestUserAgent(t *testing.T) { func TestUserAgent(t *testing.T) {
input := "CodeCrafters/1.0" input := "CodeCrafters/1.0"