mirror of https://github.com/containers/podman.git
144 lines
3.5 KiB
Go
144 lines
3.5 KiB
Go
package handlers
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import (
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"encoding/json"
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"reflect"
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"strings"
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"syscall"
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"time"
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"github.com/containers/podman/v5/libpod/define"
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"github.com/containers/podman/v5/pkg/util"
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"github.com/gorilla/schema"
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"github.com/sirupsen/logrus"
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)
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// NewAPIDecoder returns a configured schema.Decoder
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func NewAPIDecoder() *schema.Decoder {
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_ = ParseDateTime
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d := schema.NewDecoder()
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d.IgnoreUnknownKeys(true)
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d.RegisterConverter(map[string][]string{}, convertURLValuesString)
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d.RegisterConverter(time.Time{}, convertTimeString)
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d.RegisterConverter(define.ContainerStatus(0), convertContainerStatusString)
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d.RegisterConverter(map[string]string{}, convertStringMap)
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var Signal syscall.Signal
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d.RegisterConverter(Signal, convertSignal)
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return d
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}
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func NewCompatAPIDecoder() *schema.Decoder {
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dec := NewAPIDecoder()
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// mimic behaviour of github.com/docker/docker/api/server/httputils.BoolValue()
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dec.RegisterConverter(true, func(s string) reflect.Value {
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s = strings.ToLower(strings.TrimSpace(s))
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return reflect.ValueOf(!(s == "" || s == "0" || s == "no" || s == "false" || s == "none"))
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})
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return dec
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}
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// On client:
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//
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// v := map[string][]string{
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// "dangling": {"true"},
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// }
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//
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// payload, err := jsoniter.MarshalToString(v)
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// if err != nil {
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// panic(err)
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// }
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// payload = url.QueryEscape(payload)
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func convertURLValuesString(query string) reflect.Value {
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f := map[string][]string{}
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err := json.Unmarshal([]byte(query), &f)
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if err != nil {
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logrus.Infof("convertURLValuesString: Failed to Unmarshal %s: %s", query, err.Error())
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}
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return reflect.ValueOf(f)
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}
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func convertStringMap(query string) reflect.Value {
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res := make(map[string]string)
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err := json.Unmarshal([]byte(query), &res)
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if err != nil {
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logrus.Infof("convertStringMap: Failed to Unmarshal %s: %s", query, err.Error())
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}
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return reflect.ValueOf(res)
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}
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func convertContainerStatusString(query string) reflect.Value {
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result, err := define.StringToContainerStatus(query)
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if err != nil {
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logrus.Infof("convertContainerStatusString: Failed to parse %s: %s", query, err.Error())
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// We return nil here instead of result because reflect.ValueOf().IsValid() will be true
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// in github.com/gorilla/schema's decoder, which means there's no parsing error
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return reflect.ValueOf(nil)
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}
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return reflect.ValueOf(result)
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}
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// isZero() can be used to determine if parsing failed.
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func convertTimeString(query string) reflect.Value {
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var (
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err error
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t time.Time
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)
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for _, f := range []string{
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time.UnixDate,
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time.ANSIC,
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time.RFC1123,
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time.RFC1123Z,
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time.RFC3339,
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time.RFC3339Nano,
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time.RFC822,
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time.RFC822Z,
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time.RFC850,
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time.RubyDate,
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time.Stamp,
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time.StampMicro,
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time.StampMilli,
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time.StampNano,
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} {
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t, err = time.Parse(f, query)
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if err == nil {
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return reflect.ValueOf(t)
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}
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if _, isParseError := err.(*time.ParseError); isParseError {
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// Try next format
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continue
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} else {
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break
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}
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}
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// We've exhausted all formats, or something bad happened
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if err != nil {
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logrus.Infof("convertTimeString: Failed to parse %s: %s", query, err.Error())
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}
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return reflect.ValueOf(time.Time{})
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}
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// ParseDateTime is a helper function to aid in parsing different Time/Date formats
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// isZero() can be used to determine if parsing failed.
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func ParseDateTime(query string) time.Time {
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return convertTimeString(query).Interface().(time.Time)
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}
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func convertSignal(query string) reflect.Value {
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signal, err := util.ParseSignal(query)
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if err != nil {
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logrus.Infof("convertSignal: Failed to parse %s: %s", query, err.Error())
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}
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return reflect.ValueOf(signal)
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}
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