94 lines
2.1 KiB
Go
94 lines
2.1 KiB
Go
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// DNS Rewrites
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package dnsfilter
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import (
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"encoding/json"
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"net/http"
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"github.com/AdguardTeam/golibs/log"
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)
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type rewriteEntryJSON struct {
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Domain string `json:"domain"`
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Answer string `json:"answer"`
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}
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func (d *Dnsfilter) handleRewriteList(w http.ResponseWriter, r *http.Request) {
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arr := []*rewriteEntryJSON{}
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d.confLock.Lock()
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for _, ent := range d.Config.Rewrites {
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jsent := rewriteEntryJSON{
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Domain: ent.Domain,
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Answer: ent.Answer,
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}
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arr = append(arr, &jsent)
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}
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d.confLock.Unlock()
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w.Header().Set("Content-Type", "application/json")
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err := json.NewEncoder(w).Encode(arr)
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if err != nil {
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httpError(r, w, http.StatusInternalServerError, "json.Encode: %s", err)
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return
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}
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}
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func (d *Dnsfilter) handleRewriteAdd(w http.ResponseWriter, r *http.Request) {
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jsent := rewriteEntryJSON{}
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err := json.NewDecoder(r.Body).Decode(&jsent)
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if err != nil {
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httpError(r, w, http.StatusBadRequest, "json.Decode: %s", err)
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return
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}
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ent := RewriteEntry{
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Domain: jsent.Domain,
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Answer: jsent.Answer,
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}
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d.confLock.Lock()
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d.Config.Rewrites = append(d.Config.Rewrites, ent)
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d.confLock.Unlock()
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log.Debug("Rewrites: added element: %s -> %s [%d]",
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ent.Domain, ent.Answer, len(d.Config.Rewrites))
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d.Config.ConfigModified()
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}
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func (d *Dnsfilter) handleRewriteDelete(w http.ResponseWriter, r *http.Request) {
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jsent := rewriteEntryJSON{}
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err := json.NewDecoder(r.Body).Decode(&jsent)
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if err != nil {
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httpError(r, w, http.StatusBadRequest, "json.Decode: %s", err)
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return
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}
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entDel := RewriteEntry{
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Domain: jsent.Domain,
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Answer: jsent.Answer,
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}
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arr := []RewriteEntry{}
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d.confLock.Lock()
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for _, ent := range d.Config.Rewrites {
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if ent == entDel {
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log.Debug("Rewrites: removed element: %s -> %s", ent.Domain, ent.Answer)
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continue
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}
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arr = append(arr, ent)
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}
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d.Config.Rewrites = arr
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d.confLock.Unlock()
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d.Config.ConfigModified()
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}
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func (d *Dnsfilter) registerRewritesHandlers() {
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d.Config.HTTPRegister("GET", "/control/rewrite/list", d.handleRewriteList)
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d.Config.HTTPRegister("POST", "/control/rewrite/add", d.handleRewriteAdd)
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d.Config.HTTPRegister("POST", "/control/rewrite/delete", d.handleRewriteDelete)
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}
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