139 lines
2.9 KiB
Go
139 lines
2.9 KiB
Go
package api
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import (
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"bytes"
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"errors"
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"io"
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"net/http"
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"reflect"
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"strings"
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"github.com/julienschmidt/httprouter"
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"git.happydns.org/happydns/config"
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"git.happydns.org/happydns/sources"
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)
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func init() {
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router.GET("/api/source_specs", apiHandler(getSourceSpecs))
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router.GET("/api/source_specs/*ssid", apiHandler(getSourceSpec))
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}
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type field struct {
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Id string `json:"id"`
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Label string `json:"label,omitempty"`
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Placeholder string `json:"placeholder,omitempty"`
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Default string `json:"default,omitempty"`
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Choices []string `json:"choices,omitempty"`
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Required bool `json:"required,omitempty"`
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Secret bool `json:"secret,omitempty"`
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Description string `json:"description,omitempty"`
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}
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func getSourceSpecs(_ *config.Options, p httprouter.Params, body io.Reader) Response {
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srcs := sources.GetSources()
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ret := map[string]sources.SourceInfos{}
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for k, src := range *srcs {
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ret[k] = src.Infos
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}
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return APIResponse{
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response: ret,
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}
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}
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func getSourceSpecImg(ssid string) Response {
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if cnt, ok := sources.Icons[strings.TrimSuffix(ssid, ".png")]; ok {
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return &FileResponse{
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contentType: "image/png",
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content: bytes.NewBuffer(cnt),
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}
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} else {
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return APIErrorResponse{
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status: http.StatusNotFound,
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err: errors.New("Icon not found."),
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}
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}
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}
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type viewSourceSpec struct {
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Fields []field `json:"fields,omitempty"`
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Capabilities []string `json:"capabilities,omitempty"`
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}
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func getSourceSpec(_ *config.Options, p httprouter.Params, body io.Reader) Response {
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ssid := string(p.ByName("ssid"))
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if len(ssid) > 1 {
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ssid = ssid[1:]
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}
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if strings.HasSuffix(ssid, ".png") {
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return getSourceSpecImg(ssid)
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}
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src, err := sources.FindSource(ssid)
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if err != nil {
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return APIErrorResponse{
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err: err,
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}
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}
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srcType := reflect.Indirect(reflect.ValueOf(src)).Type()
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fields := []field{}
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for i := 0; i < srcType.NumField(); i += 1 {
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jsonTag := srcType.Field(i).Tag.Get("json")
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jsonTuples := strings.Split(jsonTag, ",")
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f := field{}
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if len(jsonTuples) > 0 && len(jsonTuples[0]) > 0 {
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f.Id = jsonTuples[0]
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} else {
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f.Id = srcType.Field(i).Name
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}
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tag := srcType.Field(i).Tag.Get("happydns")
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tuples := strings.Split(tag, ",")
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for _, t := range tuples {
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kv := strings.SplitN(t, "=", 2)
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if len(kv) > 1 {
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switch strings.ToLower(kv[0]) {
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case "label":
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f.Label = kv[1]
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case "placeholder":
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f.Placeholder = kv[1]
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case "default":
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f.Default = kv[1]
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case "description":
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f.Description = kv[1]
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case "choices":
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f.Choices = strings.Split(kv[1], ";")
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}
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} else {
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switch strings.ToLower(kv[0]) {
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case "required":
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f.Required = true
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case "secret":
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f.Secret = true
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default:
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f.Label = kv[0]
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}
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}
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}
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fields = append(fields, f)
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}
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var caps []string
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if _, ok := src.(sources.ListDomainsSource); ok {
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caps = append(caps, "ListDomains")
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}
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return APIResponse{
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response: viewSourceSpec{fields, caps},
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}
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}
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