114 lines
2.2 KiB
Go
114 lines
2.2 KiB
Go
package connection
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import (
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"fmt"
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"io"
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"net/http"
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"strconv"
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"strings"
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"time"
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"github.com/cloudflare/cloudflared/tunnelrpc/pogs"
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"github.com/google/uuid"
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)
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const LogFieldConnIndex = "connIndex"
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type Config struct {
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OriginProxy OriginProxy
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GracePeriod time.Duration
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ReplaceExisting bool
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}
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type NamedTunnelConfig struct {
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Credentials Credentials
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Client pogs.ClientInfo
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}
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// Credentials are stored in the credentials file and contain all info needed to run a tunnel.
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type Credentials struct {
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AccountTag string
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TunnelSecret []byte
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TunnelID uuid.UUID
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TunnelName string
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}
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func (c *Credentials) Auth() pogs.TunnelAuth {
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return pogs.TunnelAuth{
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AccountTag: c.AccountTag,
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TunnelSecret: c.TunnelSecret,
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}
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}
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type ClassicTunnelConfig struct {
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Hostname string
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OriginCert []byte
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// feature-flag to use new edge reconnect tokens
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UseReconnectToken bool
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}
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func (c *ClassicTunnelConfig) IsTrialZone() bool {
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return c.Hostname == ""
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}
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// Type indicates the connection type of the connection.
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type Type int
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const (
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TypeWebsocket Type = iota
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TypeTCP
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TypeControlStream
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TypeHTTP
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)
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// ShouldFlush returns whether this kind of connection should actively flush data
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func (t Type) shouldFlush() bool {
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switch t {
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case TypeWebsocket, TypeTCP, TypeControlStream:
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return true
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default:
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return false
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}
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}
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func (t Type) String() string {
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switch t {
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case TypeWebsocket:
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return "websocket"
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case TypeTCP:
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return "tcp"
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case TypeControlStream:
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return "control stream"
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case TypeHTTP:
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return "http"
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default:
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return fmt.Sprintf("Unknown Type %d", t)
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}
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}
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type OriginProxy interface {
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// If Proxy returns an error, the caller is responsible for writing the error status to ResponseWriter
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Proxy(w ResponseWriter, req *http.Request, sourceConnectionType Type) error
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}
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type ResponseWriter interface {
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WriteRespHeaders(status int, header http.Header) error
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io.Writer
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}
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type ConnectedFuse interface {
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Connected()
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IsConnected() bool
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}
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func IsServerSentEvent(headers http.Header) bool {
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if contentType := headers.Get("content-type"); contentType != "" {
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return strings.HasPrefix(strings.ToLower(contentType), "text/event-stream")
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}
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return false
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}
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func uint8ToString(input uint8) string {
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return strconv.FormatUint(uint64(input), 10)
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}
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