From 93115f804220c31c2aa10f123560fb11135f06d8 Mon Sep 17 00:00:00 2001
From: Feuerfuchs <git@feuerfuchs.dev>
Date: Tue, 26 Nov 2019 13:13:02 +0100
Subject: Add IPv6 support, general restructuring

---
 libgemini.go | 153 -----------------------------------------------------------
 1 file changed, 153 deletions(-)
 delete mode 100644 libgemini.go

(limited to 'libgemini.go')

diff --git a/libgemini.go b/libgemini.go
deleted file mode 100644
index 94744ba..0000000
--- a/libgemini.go
+++ /dev/null
@@ -1,153 +0,0 @@
-package gopherproxy
-
-import (
-	"bufio"
-	"crypto/tls"
-	"errors"
-	"io"
-	"mime"
-	"net/url"
-	"regexp"
-	"strconv"
-	"strings"
-)
-
-const (
-	CRLF = "\r\n"
-)
-
-const (
-	STATUS_INPUT                  = 10
-	STATUS_SUCCESS                = 20
-	STATUS_SUCCESS_CERT           = 21
-	STATUS_REDIRECT_TEMP          = 30
-	STATUS_REDIRECT_PERM          = 31
-	STATUS_TEMP_FAILURE           = 40
-	STATUS_SERVER_UNAVAILABLE     = 41
-	STATUS_CGI_ERROR              = 42
-	STATUS_PROXY_ERROR            = 43
-	STATUS_SLOW_DOWN              = 44
-	STATUS_PERM_FAILURE           = 50
-	STATUS_NOT_FOUND              = 51
-	STATUS_GONE                   = 52
-	STATUS_PROXY_REFUSED          = 53
-	STATUS_BAD_REQUEST            = 59
-	STATUS_CLIENT_CERT_EXPIRED    = 60
-	STATUS_TRANSIENT_CERT_REQUEST = 61
-	STATUS_AUTH_CERT_REQUIRED     = 62
-	STATUS_CERT_REJECTED          = 63
-	STATUS_FUTURE_CERT_REJECTED   = 64
-	STATUS_EXPIRED_CERT_REJECTED  = 65
-)
-
-const (
-	MIME_GEMINI     = "text/gemini"
-	DEFAULT_MIME    = MIME_GEMINI
-	DEFAULT_CHARSET = "utf-8"
-)
-
-var (
-	HeaderPattern     = regexp.MustCompile("^(\\d\\d)[ \\t]+(.*)$")
-	GeminiLinkPattern = regexp.MustCompile("^=>[ \\t]*([^ \\t]+)(?:[ \\t]+(.*))?$")
-)
-
-type GeminiHeader struct {
-	Status int
-	Meta   string
-}
-
-type GeminiResponse struct {
-	Header *GeminiHeader
-	Body   io.Reader
-}
-
-func GeminiGet(uri string) (*GeminiResponse, error) {
-	u, err := url.Parse(uri)
-	if err != nil {
-		return nil, err
-	}
-
-	if u.Scheme != "gemini" {
-		return nil, errors.New("invalid scheme for uri")
-	}
-
-	var (
-		host string
-		port int
-	)
-
-	hostport := strings.Split(u.Host, ":")
-	if len(hostport) == 2 {
-		host = hostport[0]
-		n, err := strconv.ParseInt(hostport[1], 10, 32)
-		if err != nil {
-			return nil, err
-		}
-		port = int(n)
-	} else {
-		host, port = hostport[0], 1965
-	}
-
-	conn, err := tls.Dial("tcp", host+":"+strconv.Itoa(port), &tls.Config{
-		MinVersion:         tls.VersionTLS12,
-		InsecureSkipVerify: true,
-	})
-	if err != nil {
-		return nil, err
-	}
-
-	_, err = conn.Write([]byte(u.String() + CRLF))
-	if err != nil {
-		conn.Close()
-		return nil, err
-	}
-
-	reader := bufio.NewReader(conn)
-
-	line, _, err := reader.ReadLine()
-	if err != nil {
-		conn.Close()
-		return nil, err
-	}
-
-	header, err := ParseGeminiHeader(string(line))
-	if err != nil {
-		conn.Close()
-		return nil, err
-	}
-
-	return &GeminiResponse{
-		Header: header,
-		Body:   reader,
-	}, nil
-}
-
-func ParseGeminiHeader(line string) (header *GeminiHeader, err error) {
-	matches := HeaderPattern.FindStringSubmatch(line)
-
-	status, err := strconv.Atoi(matches[1])
-	if err != nil {
-		return nil, err
-	}
-
-	meta := matches[2]
-
-	if int(status/10) == 2 {
-		mediaType, params, err := mime.ParseMediaType(meta)
-
-		if err != nil {
-			meta = DEFAULT_MIME + ";charset=" + DEFAULT_CHARSET
-		} else if strings.HasPrefix(mediaType, "text/") {
-			if _, ok := params["charset"]; !ok {
-				meta += ";charset=" + DEFAULT_CHARSET
-			}
-		}
-	}
-
-	header = &GeminiHeader{
-		Status: status,
-		Meta:   meta,
-	}
-
-	return
-}
-- 
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