cupcakearmy/codecrafters-http-server-go
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This commit is contained in:
Niccolo Borgioli 2024-05-25 12:11:36 +02:00
parent 55ae922fa0
commit c435784983
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GPG Key ID: 4897ACD13A65977C
3 changed files with 68 additions and 66 deletions
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38
app/file.go Normal file
View File

@ -0,0 +1,38 @@
package main
import (
"log"
"os"
"path/filepath"
)
func getFilepath(filename string) string {
if len(os.Args) != 3 {
log.Fatal("Not enough args")
}
dir, err := filepath.Abs(os.Args[2])
if err != nil {
log.Fatal(err)
}
return filepath.Join(dir, filename)
}
func readFile(filename string) ([]byte, bool) {
path := getFilepath(filename)
file, err := os.ReadFile(path)
if os.IsNotExist(err) {
return nil, true
}
if err != nil {
log.Fatal(err)
}
return file, false
}
func writeFile(filename string, data []byte) {
path := getFilepath(filename)
err := os.WriteFile(path, data, 0755)
if err != nil {
log.Fatal(err)
}
}

1
app/http.go
View File

@ -20,6 +20,7 @@ type Request struct {
Path string
Version string
Body string
BodyRaw []byte
Headers []Header
}

95
app/server.go
View File

@ -5,24 +5,13 @@ import (
"log"
"net"
"os"
"path/filepath"
"regexp"
"strings"
)
func getFilepath(filename string) string {
if len(os.Args) != 3 {
log.Fatal("Not enough args")
}
dir, err := filepath.Abs(os.Args[2])
if err != nil {
log.Fatal(err)
}
return filepath.Join(dir, filename)
}
func handleConnection(conn net.Conn, routes Routes) {
defer conn.Close()
buffer := make([]byte, 1024)
n, err := conn.Read(buffer)
if err != nil {
@ -79,59 +68,6 @@ func handleConnection(conn net.Conn, routes Routes) {
}
}
// if request.Path == "/" {
// Respond(conn, Response{Version: request.Version, Code: OK})
// return
// }
// if request.Path == "/user-agent" {
// for _, header := range request.Headers {
// if header.Name != "User-Agent" {
// continue
// }
// Respond(conn, Response{
// Version: request.Version,
// Code: OK,
// Body: header.Value,
// Headers: []Header{{Name: "Content-Type", Value: "text/plain"}},
// })
// return
// }
// Respond(conn, Response{Version: request.Version, Code: BadRequest})
// }
// reFiles := regexp.MustCompile(`^/files/([A-Za-z0-9_\-.]+)$`)
// if matches := reFiles.FindStringSubmatch(request.Path); len(matches) > 0 {
// filename := getFilepath(matches[1])
// file, err := os.ReadFile(filename)
// if os.IsNotExist(err) {
// Respond(conn, Response{Version: request.Version, Code: NotFound})
// return
// }
// if err != nil {
// log.Fatal(err)
// }
// Respond(conn, Response{
// Version: request.Version,
// Code: OK,
// BodyRaw: file,
// Headers: []Header{{Name: "Content-Type", Value: "application/octet-stream"}},
// })
// return
// }
// reEcho := regexp.MustCompile(`^/echo/([A-Za-z]+)$`)
// if matches := reEcho.FindStringSubmatch(request.Path); len(matches) > 0 {
// Respond(conn, Response{
// Version: request.Version,
// Code: OK,
// Body: matches[1],
// Headers: []Header{{Name: "Content-Type", Value: "text/plain"}},
// })
// return
// }
Respond(conn, Response{Version: request.Version, Code: NotFound})
}
@ -181,7 +117,34 @@ func main() {
Body: matches[1],
Headers: []Header{{Name: "Content-Type", Value: "text/plain"}},
}
}},
},
},
{
regex: regexp.MustCompile(`^/files/([A-Za-z0-9_\-.]+)`),
method: "GET",
handler: func(req Request, matches []string) Response {
file, notFound := readFile(matches[1])
if notFound {
return Response{Version: req.Version, Code: NotFound}
}
return Response{
Version: req.Version,
Code: OK,
BodyRaw: file,
Headers: []Header{{Name: "Content-Type", Value: "application/octet-stream"}},
}
},
},
{
regex: regexp.MustCompile(`^/files/([A-Za-z0-9_\-.]+)`),
method: "POST",
handler: func(req Request, matches []string) Response {
writeFile(matches[1], []byte(req.Body))
return Response{Version: req.Version, Code: OK}
},
},
},
}