cloudflared-mirror/connection/connection.go

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package connection
import (
"io"
"net/http"
"strconv"
"strings"
"time"
"github.com/cloudflare/cloudflared/tunnelrpc/pogs"
"github.com/google/uuid"
)
const LogFieldConnIndex = "connIndex"
type Config struct {
OriginClient OriginClient
GracePeriod time.Duration
ReplaceExisting bool
}
type NamedTunnelConfig struct {
Credentials Credentials
Client pogs.ClientInfo
}
// Credentials are stored in the credentials file and contain all info needed to run a tunnel.
type Credentials struct {
AccountTag string
TunnelSecret []byte
TunnelID uuid.UUID
TunnelName string
}
func (c *Credentials) Auth() pogs.TunnelAuth {
return pogs.TunnelAuth{
AccountTag: c.AccountTag,
TunnelSecret: c.TunnelSecret,
}
}
type ClassicTunnelConfig struct {
Hostname string
OriginCert []byte
// feature-flag to use new edge reconnect tokens
UseReconnectToken bool
}
func (c *ClassicTunnelConfig) IsTrialZone() bool {
return c.Hostname == ""
}
type OriginClient interface {
Proxy(w ResponseWriter, req *http.Request, isWebsocket bool) error
}
type ResponseWriter interface {
WriteRespHeaders(*http.Response) error
WriteErrorResponse()
io.ReadWriter
}
type ConnectedFuse interface {
Connected()
IsConnected() bool
}
func IsServerSentEvent(headers http.Header) bool {
if contentType := headers.Get("content-type"); contentType != "" {
return strings.HasPrefix(strings.ToLower(contentType), "text/event-stream")
}
return false
}
func uint8ToString(input uint8) string {
return strconv.FormatUint(uint64(input), 10)
}