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Add support for CORS in http requests

This commit is contained in:
Kilowhisky 2024-05-05 20:43:56 -07:00
parent 51e6862797
commit 4b08376fad
1 changed files with 17 additions and 1 deletions
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18
internal/server/server.go
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@ -867,6 +867,7 @@ func (s *Server) handleInputCommand(client *Client, msg *Message) error {
"Connection: close\r\n"+ "Connection: close\r\n"+
"Content-Length: %d\r\n"+ "Content-Length: %d\r\n"+
"Content-Type: application/json; charset=utf-8\r\n"+ "Content-Type: application/json; charset=utf-8\r\n"+
"Access-Control-Allow-Origin: *\r\n"+
"\r\n", status, len(res)+2) "\r\n", status, len(res)+2)
if err != nil { if err != nil {
return err return err
@ -1444,6 +1445,21 @@ func readNextHTTPCommand(packet []byte, argsIn [][]byte, msg *Message, wr io.Wri
} }
method := parts[0] method := parts[0]
path := parts[1] path := parts[1]
// Handle CORS request for allowed origins
if method == "OPTIONS" {
if wr == nil {
return false, errors.New("connection is nil")
}
corshead := "HTTP/1.1 204 No Content\r\n"+
"Connection: close\r\n"+
"Access-Control-Allow-Origin: *\r\n"+
"Access-Control-Allow-Methods: POST, GET, OPTIONS\r\n\r\n"
if _, err = wr.Write([]byte(corshead)); err != nil {
return false, err
}
return false, nil
}
if len(path) == 0 || path[0] != '/' { if len(path) == 0 || path[0] != '/' {
return false, errInvalidHTTP return false, errInvalidHTTP
} }
@ -1528,7 +1544,7 @@ func readNextHTTPCommand(packet []byte, argsIn [][]byte, msg *Message, wr io.Wri
func readNextCommand(packet []byte, argsIn [][]byte, msg *Message, wr io.Writer) ( func readNextCommand(packet []byte, argsIn [][]byte, msg *Message, wr io.Writer) (
complete bool, args [][]byte, kind redcon.Kind, leftover []byte, err error, complete bool, args [][]byte, kind redcon.Kind, leftover []byte, err error,
) { ) {
if packet[0] == 'G' || packet[0] == 'P' { if packet[0] == 'G' || packet[0] == 'P' || packet[0] == 'O' {
// could be an HTTP request // could be an HTTP request
var line []byte var line []byte
for i := 1; i < len(packet); i++ { for i := 1; i < len(packet); i++ {