Zo doen wijdat in oost

2026-10-16 07:20:44 +02:00
parent 25d9cb1c7d
commit 6f80a820da
229 changed files with 23894 additions and 74 deletions
@@ -0,0 +1,146 @@
+package main
+
+import "encoding/json"
+
+const (
+	ProtocolVersion = 1
+	DeviceKind      = "native"
+	SecretPrefix    = "dpn_"
+
+	MaxWSFramePayload = 256 * 1024
+	MaxInboundMessage = 256 * 1024
+	MaxResultMessage  = 3 * 1024 * 1024
+
+	DefaultReconnectMin   = 1
+	DefaultReconnectMax   = 60
+	DefaultPingSeconds    = 20
+	DefaultMaxBodyBytes   = 2 * 1024 * 1024
+	DefaultJobTimeout     = 25
+	MaxJobTimeout         = 60
+	HelloTimeoutSeconds   = 10
+	TicketTimeoutSeconds  = 15
+	MissedPingsBeforeDead = 3
+	UsageIntervalSeconds  = 60
+	MaxRedirects          = 5
+	MaxRequestHeaders     = 32
+	MaxResponseHeaders    = 64
+	MaxHeaderValueBytes   = 1024
+	MaxIDBytes            = 64
+	MaxURLChars           = 2048
+	MaxConcurrentCeiling  = 8
+	MaxTunnelsCeiling     = 8
+	TunnelChunkBytes      = 32 * 1024
+	TunnelQueueDepth      = 64
+	TunnelIdleSeconds     = 60
+	TunnelLifetimeSeconds = 300
+	TunnelDialSeconds     = 10
+	MaxDonorMBPerDay      = 20 * 1024
+	StableSessionSeconds  = 30
+	FastRetryMillis       = 1500
+)
+
+const (
+	RefuseHost        = "host_not_allowed"
+	RefusePort        = "port_not_allowed"
+	RefuseAddress     = "address_not_public"
+	RefuseRedirect    = "redirect_not_allowed"
+	RefuseMethod      = "method_not_allowed"
+	RefuseBandwidth   = "bandwidth_exhausted"
+	RefuseConcurrency = "concurrency_exceeded"
+	RefuseHours       = "outside_hours"
+	RefuseTimeout     = "timeout"
+	RefuseBadURL      = "bad_url"
+	FailFetch         = "fetch_failed"
+	FailDNS           = "dns_failed"
+)
+
+const (
+	CloseNormal         = 1000
+	CloseGoingAway      = 1001
+	CloseProtocolError  = 1002
+	CloseUnsupported    = 1003
+	CloseInvalidPayload = 1007
+	ClosePolicy         = 1008
+	CloseTooLarge       = 1009
+	CloseTryAgain       = 1013
+	CloseRetryOwner     = 4013
+	CloseCapacity       = 4029
+	CloseProtocol       = 4400
+	CloseKicked         = 4403
+)
+
+var FatalReasons = map[string]bool{
+	"revoked":          true,
+	"suspended":        true,
+	"kill_switch":      true,
+	"no_consent":       true,
+	"no_account":       true,
+	"deletion_pending": true,
+	"account_inactive": true,
+	"not_adult":        true,
+	"not_enabled":      true,
+	"replaced":         true,
+	"device":           true,
+}
+
+var BakedDestinations = []Destination{
+	{Suffix: "reddit.com", Adapter: "reddit", Methods: []string{"GET"}, Ports: []int{80, 443}, Modes: []string{"tunnel", "fetch"}},
+	{Suffix: "redd.it", Adapter: "reddit", Methods: []string{"GET"}, Ports: []int{80, 443}, Modes: []string{"tunnel", "fetch"}},
+}
+
+var AllowedPorts = []int{80, 443}
+
+type Destination struct {
+	Suffix  string   `json:"suffix"`
+	Adapter string   `json:"adapter"`
+	Methods []string `json:"methods"`
+	Ports   []int    `json:"ports"`
+	Modes   []string `json:"modes"`
+	MaxRPS  float64  `json:"max_rps"`
+}
+
+type ServerLimits struct {
+	MaxBodyBytes         int `json:"max_body_bytes"`
+	MaxConcurrentPerNode int `json:"max_concurrent_per_node"`
+	MaxDonorMBPerDay     int `json:"max_donor_mb_per_day"`
+	PingSeconds          int `json:"ping_seconds"`
+	ReconnectMinSeconds  int `json:"reconnect_min_seconds"`
+	ReconnectMaxSeconds  int `json:"reconnect_max_seconds"`
+	JobTimeoutSeconds    int `json:"job_timeout_seconds"`
+	MaxFrameBytes        int `json:"max_frame_bytes"`
+}
+
+type ServerSettings struct {
+	Enabled        bool   `json:"enabled"`
+	BandwidthMBDay int    `json:"bandwidth_mb_day"`
+	MaxConcurrent  int    `json:"max_concurrent"`
+	ActiveFrom     string `json:"active_from"`
+	ActiveTo       string `json:"active_to"`
+	Timezone       string `json:"timezone"`
+}
+
+type Frame struct {
+	Type         string          `json:"type"`
+	JobID        string          `json:"job_id"`
+	Method       string          `json:"method"`
+	URL          string          `json:"url"`
+	Headers      map[string]any  `json:"headers"`
+	Timeout      int             `json:"timeout"`
+	ConnID       string          `json:"conn_id"`
+	Host         string          `json:"host"`
+	Port         int             `json:"port"`
+	B64          string          `json:"b64"`
+	Reason       string          `json:"reason"`
+	DeviceUID    string          `json:"device_uid"`
+	Limits       *ServerLimits   `json:"limits"`
+	Destinations []Destination   `json:"destinations"`
+	Settings     *ServerSettings `json:"settings"`
+}
+
+func decodeFrame(raw []byte) (Frame, error) {
+	var frame Frame
+	if err := json.Unmarshal(raw, &frame); err != nil {
+		return frame, err
+	}
+	return frame, nil
+}