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package gemini
import (
"bufio"
"errors"
"io"
"net/url"
"tildegit.org/tjp/gus"
)
// InvalidRequestLineEnding indicates that a gemini request didn't end with "\r\n".
var InvalidRequestLineEnding = errors.New("invalid request line ending")
// ParseRequest parses a single gemini request from a reader.
func ParseRequest(rdr io.Reader) (*gus.Request, error) {
line, err := bufio.NewReader(rdr).ReadString('\n')
if err != io.EOF && err != nil {
return nil, err
}
if len(line) < 2 || line[len(line)-2:] != "\r\n" {
return nil, InvalidRequestLineEnding
}
u, err := url.Parse(line[:len(line)-2])
if err != nil {
return nil, err
}
if u.Scheme == "" {
u.Scheme = "gemini"
}
return &gus.Request{URL: u}, nil
}
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