From 043eb1d9e5db456b9b78c0423cb44716fc81a932 Mon Sep 17 00:00:00 2001 From: dev Date: Tue, 14 May 2019 10:35:41 -0400 Subject: move internal packages to pkg folder and update reverse proxy * set automatic https error type for cert-magic failures * add state to onload and unload methods * update reverse proxy to use Provision() and Cleanup() --- pkg/caddyscript/lib/time.go | 130 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 130 insertions(+) create mode 100644 pkg/caddyscript/lib/time.go (limited to 'pkg/caddyscript/lib/time.go') diff --git a/pkg/caddyscript/lib/time.go b/pkg/caddyscript/lib/time.go new file mode 100644 index 0000000..2ab57cc --- /dev/null +++ b/pkg/caddyscript/lib/time.go @@ -0,0 +1,130 @@ +package caddyscript + +import ( + "fmt" + ti "time" + + "go.starlark.net/starlark" +) + +// Time represents a time type for caddyscript. +type Time struct { + value int64 // time since epoch in nanoseconds +} + +// AttrNames defines what properties and methods are available on the Time type. +func (r Time) AttrNames() []string { + return []string{"now", "parse", "add", "subtract", "minute", "hour", "day", "value"} +} + +// Attr defines what happens when props or methods are called on the Time type. +func (r Time) Attr(name string) (starlark.Value, error) { + switch name { + case "now": + b := starlark.NewBuiltin("now", r.Now) + b = b.BindReceiver(r) + return b, nil + case "parse_duration": + b := starlark.NewBuiltin("parse_duration", r.ParseDuration) + b = b.BindReceiver(r) + return b, nil + case "add": + b := starlark.NewBuiltin("add", r.Add) + b = b.BindReceiver(r) + return b, nil + case "subtract": + b := starlark.NewBuiltin("subtract", r.Subtract) + b = b.BindReceiver(r) + return b, nil + case "minute": + b := starlark.NewBuiltin("minute", r.Minute) + b = b.BindReceiver(r) + return b, nil + case "hour": + b := starlark.NewBuiltin("hour", r.Hour) + b = b.BindReceiver(r) + return b, nil + case "day": + b := starlark.NewBuiltin("day", r.Day) + b = b.BindReceiver(r) + return b, nil + case "value": + return starlark.MakeInt64(r.value), nil + } + + return nil, nil +} + +func (r Time) Freeze() {} +func (r Time) Hash() (uint32, error) { return 0, fmt.Errorf("unhashable: Time") } +func (r Time) String() string { return fmt.Sprint(r.value) } +func (r Time) Type() string { return "Time" } +func (r Time) Truth() starlark.Bool { return true } + +// Hour returns the current hour of a unix timestamp in range [0, 23]. +func (r Time) Hour(thread *starlark.Thread, fn *starlark.Builtin, args starlark.Tuple, kwargs []starlark.Tuple) (starlark.Value, error) { + t := ti.Unix(0, r.value) + return starlark.MakeInt(t.Hour()), nil +} + +// Minute returns the current minute of the hour for a unix timestamp in range [0, 59]. +func (r Time) Minute(thread *starlark.Thread, fn *starlark.Builtin, args starlark.Tuple, kwargs []starlark.Tuple) (starlark.Value, error) { + t := ti.Unix(0, r.value) + return starlark.MakeInt(t.Minute()), nil +} + +// Day returns the current day in a week of a unix timestamp... [Sunday = 0...] +func (r Time) Day(thread *starlark.Thread, fn *starlark.Builtin, args starlark.Tuple, kwargs []starlark.Tuple) (starlark.Value, error) { + t := ti.Unix(0, r.value) + return starlark.MakeInt(int(t.Weekday())), nil +} + +// Now returns the current time as a unix timestamp. +func (r Time) Now(thread *starlark.Thread, fn *starlark.Builtin, args starlark.Tuple, kwargs []starlark.Tuple) (starlark.Value, error) { + val := ti.Now().UnixNano() + r.value = val + return r, nil +} + +// ParseDuration parses a go duration string to a time type. +func (r Time) ParseDuration(thread *starlark.Thread, fn *starlark.Builtin, args starlark.Tuple, kwargs []starlark.Tuple) (starlark.Value, error) { + var dur string + err := starlark.UnpackPositionalArgs(fn.Name(), args, kwargs, 1, &dur) + if err != nil { + return starlark.None, fmt.Errorf("could not unpack args: %v", err.Error()) + } + + if parsed, err := ti.ParseDuration(dur); err == nil { + val := parsed.Nanoseconds() + r.value = val + return r, nil + } + + return starlark.None, fmt.Errorf("time.parse_duration: argument cannot be parsed as a valid go time duration") +} + +// Add adds time to a time type. +func (r Time) Add(thread *starlark.Thread, fn *starlark.Builtin, args starlark.Tuple, kwargs []starlark.Tuple) (starlark.Value, error) { + var t Time + err := starlark.UnpackPositionalArgs(fn.Name(), args, kwargs, 1, &t) + if err != nil { + return starlark.None, fmt.Errorf("could not unpack args: %v", err.Error()) + } + + val := r.value + t.value + r.value = val + return r, nil +} + +// Subtract adds time to a time type. +func (r Time) Subtract(thread *starlark.Thread, fn *starlark.Builtin, args starlark.Tuple, kwargs []starlark.Tuple) (starlark.Value, error) { + var t Time + err := starlark.UnpackPositionalArgs(fn.Name(), args, kwargs, 1, &t) + if err != nil { + return starlark.None, fmt.Errorf("could not unpack args: %v", err.Error()) + } + + val := r.value - t.value + r.value = val + return r, nil +} -- cgit v1.2.3