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package imap
import (
"net"
"net/url"
"github.com/Necoro/feed2imap-go/internal/log"
)
// Our own convenience wrapper
type URL struct {
*url.URL
// url.URL has no port field and splits it everytime from Host
port *string
}
const (
imapsPort = "993"
imapPort = "143"
imapsSchema = "imaps"
imapSchema = "imap"
)
func (url *URL) Port() string {
if url.port == nil {
port := url.URL.Port()
url.port = &port
}
return *url.port
}
func (url *URL) ForceTLS() bool {
return url.Scheme == imapsSchema || url.Port() == imapsPort
}
func (url *URL) setDefaultScheme() {
switch url.Scheme {
case imapSchema, imapsSchema:
return
default:
oldScheme := url.Scheme
if url.Port() == imapsPort {
url.Scheme = imapsSchema
} else {
url.Scheme = imapSchema
}
if oldScheme != "" {
log.Warnf("Unknown scheme '%s', defaulting to '%s'", oldScheme, url.Scheme)
}
}
}
func (url *URL) setDefaultPort() {
if url.Port() == "" {
var port string
if url.Scheme == imapsSchema {
port = imapsPort
} else {
port = imapPort
}
url.port = &port
url.Host = net.JoinHostPort(url.Host, port)
}
}
func (url *URL) sanitizeUrl() {
url.setDefaultScheme()
url.setDefaultPort()
}
func NewUrl(url *url.URL) *URL {
u := URL{URL: url}
u.sanitizeUrl()
return &u
}
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