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			284 lines
		
	
	
		
			7.8 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			284 lines
		
	
	
		
			7.8 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
| package controller
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| 
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| import (
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| 	"encoding/json"
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| 	"fmt"
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| 	"net/http"
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| 
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| 	"github.com/gorilla/mux"
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| 	"github.com/gravitl/netmaker/database"
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| 	"github.com/gravitl/netmaker/logger"
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| 	"github.com/gravitl/netmaker/logic"
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| 	"github.com/gravitl/netmaker/models"
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| 	"github.com/gravitl/netmaker/mq"
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| 	"github.com/gravitl/netmaker/servercfg"
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| )
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| 
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| func dnsHandlers(r *mux.Router) {
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| 
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| 	r.HandleFunc("/api/dns", logic.SecurityCheck(true, http.HandlerFunc(getAllDNS))).Methods(http.MethodGet)
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| 	r.HandleFunc("/api/dns/adm/{network}/nodes", logic.SecurityCheck(false, http.HandlerFunc(getNodeDNS))).Methods(http.MethodGet)
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| 	r.HandleFunc("/api/dns/adm/{network}/custom", logic.SecurityCheck(false, http.HandlerFunc(getCustomDNS))).Methods(http.MethodGet)
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| 	r.HandleFunc("/api/dns/adm/{network}", logic.SecurityCheck(false, http.HandlerFunc(getDNS))).Methods(http.MethodGet)
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| 	r.HandleFunc("/api/dns/{network}", logic.SecurityCheck(false, http.HandlerFunc(createDNS))).Methods(http.MethodPost)
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| 	r.HandleFunc("/api/dns/adm/pushdns", logic.SecurityCheck(false, http.HandlerFunc(pushDNS))).Methods(http.MethodPost)
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| 	r.HandleFunc("/api/dns/{network}/{domain}", logic.SecurityCheck(false, http.HandlerFunc(deleteDNS))).Methods(http.MethodDelete)
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| }
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| 
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| // swagger:route GET /api/dns/adm/{network}/nodes dns getNodeDNS
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| //
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| // Gets node DNS entries associated with a network.
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| //
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| //			Schemes: https
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| //
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| //			Security:
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| //	  		oauth
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| func getNodeDNS(w http.ResponseWriter, r *http.Request) {
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| 
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| 	w.Header().Set("Content-Type", "application/json")
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| 
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| 	var dns []models.DNSEntry
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| 	var params = mux.Vars(r)
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| 	network := params["network"]
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| 	dns, err := logic.GetNodeDNS(network)
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| 	if err != nil {
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| 		logger.Log(0, r.Header.Get("user"),
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| 			fmt.Sprintf("failed to get node DNS entries for network [%s]: %v", network, err))
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| 		logic.ReturnErrorResponse(w, r, logic.FormatError(err, "internal"))
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| 		return
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| 	}
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| 	w.WriteHeader(http.StatusOK)
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| 	json.NewEncoder(w).Encode(dns)
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| }
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| 
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| // swagger:route GET /api/dns dns getAllDNS
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| //
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| // Gets all DNS entries.
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| //
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| //			Schemes: https
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| //
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| //			Security:
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| //	  		oauth
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| //
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| //			Responses:
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| //	  		200: dnsResponse
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| func getAllDNS(w http.ResponseWriter, r *http.Request) {
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| 	w.Header().Set("Content-Type", "application/json")
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| 	dns, err := logic.GetAllDNS()
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| 	if err != nil {
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| 		logger.Log(0, r.Header.Get("user"), "failed to get all DNS entries: ", err.Error())
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| 		logic.ReturnErrorResponse(w, r, logic.FormatError(err, "internal"))
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| 		return
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| 	}
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| 	logic.SortDNSEntrys(dns[:])
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| 	w.WriteHeader(http.StatusOK)
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| 	json.NewEncoder(w).Encode(dns)
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| }
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| 
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| // swagger:route GET /api/dns/adm/{network}/custom dns getCustomDNS
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| //
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| // Gets custom DNS entries associated with a network.
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| //
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| //			Schemes: https
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| //
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| //			Security:
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| //	  		oauth
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| //
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| //			Responses:
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| //	  		200: dnsResponse
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| func getCustomDNS(w http.ResponseWriter, r *http.Request) {
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| 
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| 	w.Header().Set("Content-Type", "application/json")
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| 
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| 	var dns []models.DNSEntry
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| 	var params = mux.Vars(r)
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| 	network := params["network"]
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| 	dns, err := logic.GetCustomDNS(network)
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| 	if err != nil {
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| 		logger.Log(0, r.Header.Get("user"),
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| 			fmt.Sprintf("failed to get custom DNS entries for network [%s]: %v", network, err.Error()))
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| 		logic.ReturnErrorResponse(w, r, logic.FormatError(err, "internal"))
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| 		return
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| 	}
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| 	w.WriteHeader(http.StatusOK)
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| 	json.NewEncoder(w).Encode(dns)
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| }
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| 
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| // swagger:route GET /api/dns/adm/{network} dns getDNS
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| //
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| // Gets all DNS entries associated with the network.
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| //
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| //			Schemes: https
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| //
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| //			Security:
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| //	  		oauth
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| //
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| //			Responses:
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| //	  		200: dnsResponse
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| func getDNS(w http.ResponseWriter, r *http.Request) {
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| 
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| 	w.Header().Set("Content-Type", "application/json")
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| 
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| 	var dns []models.DNSEntry
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| 	var params = mux.Vars(r)
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| 	network := params["network"]
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| 	dns, err := logic.GetDNS(network)
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| 	if err != nil {
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| 		logger.Log(0, r.Header.Get("user"),
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| 			fmt.Sprintf("failed to get all DNS entries for network [%s]: %v", network, err.Error()))
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| 		logic.ReturnErrorResponse(w, r, logic.FormatError(err, "internal"))
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| 		return
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| 	}
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| 	w.WriteHeader(http.StatusOK)
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| 	json.NewEncoder(w).Encode(dns)
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| }
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| 
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| // swagger:route POST /api/dns/{network} dns createDNS
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| //
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| // Create a DNS entry.
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| //
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| //			Schemes: https
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| //
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| //			Security:
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| //	  		oauth
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| //
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| //			Responses:
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| //	  		200: dnsResponse
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| func createDNS(w http.ResponseWriter, r *http.Request) {
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| 	w.Header().Set("Content-Type", "application/json")
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| 
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| 	var entry models.DNSEntry
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| 	var params = mux.Vars(r)
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| 
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| 	_ = json.NewDecoder(r.Body).Decode(&entry)
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| 	entry.Network = params["network"]
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| 
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| 	err := logic.ValidateDNSCreate(entry)
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| 	if err != nil {
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| 		logger.Log(0, r.Header.Get("user"),
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| 			fmt.Sprintf("invalid DNS entry %+v: %v", entry, err))
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| 		logic.ReturnErrorResponse(w, r, logic.FormatError(err, "badrequest"))
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| 		return
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| 	}
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| 
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| 	entry, err = logic.CreateDNS(entry)
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| 	if err != nil {
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| 		logger.Log(0, r.Header.Get("user"),
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| 			fmt.Sprintf("Failed to create DNS entry %+v: %v", entry, err))
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| 		logic.ReturnErrorResponse(w, r, logic.FormatError(err, "internal"))
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| 		return
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| 	}
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| 	err = logic.SetDNS()
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| 	if err != nil {
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| 		logger.Log(0, r.Header.Get("user"),
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| 			fmt.Sprintf("Failed to set DNS entries on file: %v", err))
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| 		logic.ReturnErrorResponse(w, r, logic.FormatError(err, "internal"))
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| 		return
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| 	}
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| 	logger.Log(1, "new DNS record added:", entry.Name)
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| 	if servercfg.IsMessageQueueBackend() {
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| 		go func() {
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| 			if err = mq.PublishPeerUpdate(); err != nil {
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| 				logger.Log(0, "failed to publish peer update after ACL update on", entry.Network)
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| 			}
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| 			if err := mq.PublishCustomDNS(&entry); err != nil {
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| 				logger.Log(0, "error publishing custom dns", err.Error())
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| 			}
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| 		}()
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| 	}
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| 	logger.Log(2, r.Header.Get("user"),
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| 		fmt.Sprintf("DNS entry is set: %+v", entry))
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| 	w.WriteHeader(http.StatusOK)
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| 	json.NewEncoder(w).Encode(entry)
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| }
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| 
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| // swagger:route DELETE /api/dns/{network}/{domain} dns deleteDNS
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| //
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| // Delete a DNS entry.
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| //
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| //			Schemes: https
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| //
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| //			Security:
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| //	  		oauth
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| //
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| //			Responses:
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| //				200: stringJSONResponse
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| //				*: stringJSONResponse
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| func deleteDNS(w http.ResponseWriter, r *http.Request) {
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| 	// Set header
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| 	w.Header().Set("Content-Type", "application/json")
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| 
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| 	// get params
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| 	var params = mux.Vars(r)
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| 	entrytext := params["domain"] + "." + params["network"]
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| 	err := logic.DeleteDNS(params["domain"], params["network"])
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| 
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| 	if err != nil {
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| 		logger.Log(0, "failed to delete dns entry: ", entrytext)
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| 		logic.ReturnErrorResponse(w, r, logic.FormatError(err, "internal"))
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| 		return
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| 	}
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| 	logger.Log(1, "deleted dns entry: ", entrytext)
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| 	err = logic.SetDNS()
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| 	if err != nil {
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| 		logger.Log(0, r.Header.Get("user"),
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| 			fmt.Sprintf("Failed to set DNS entries on file: %v", err))
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| 		logic.ReturnErrorResponse(w, r, logic.FormatError(err, "internal"))
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| 		return
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| 	}
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| 	json.NewEncoder(w).Encode(entrytext + " deleted.")
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| 	go func() {
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| 		dns := models.DNSUpdate{
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| 			Action: models.DNSDeleteByName,
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| 			Name:   entrytext,
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| 		}
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| 		if err := mq.PublishDNSUpdate(params["network"], dns); err != nil {
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| 			logger.Log(0, "failed to publish dns update", err.Error())
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| 		}
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| 	}()
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| 
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| }
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| 
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| // GetDNSEntry - gets a DNS entry
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| func GetDNSEntry(domain string, network string) (models.DNSEntry, error) {
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| 	var entry models.DNSEntry
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| 	key, err := logic.GetRecordKey(domain, network)
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| 	if err != nil {
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| 		return entry, err
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| 	}
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| 	record, err := database.FetchRecord(database.DNS_TABLE_NAME, key)
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| 	if err != nil {
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| 		return entry, err
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| 	}
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| 	err = json.Unmarshal([]byte(record), &entry)
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| 	return entry, err
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| }
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| 
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| // swagger:route POST /api/dns/adm/pushdns dns pushDNS
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| //
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| // Push DNS entries to nameserver.
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| //
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| //			Schemes: https
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| //
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| //			Security:
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| //	  		oauth
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| //
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| //			Responses:
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| //				200: dnsStringJSONResponse
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| //				*: dnsStringJSONResponse
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| func pushDNS(w http.ResponseWriter, r *http.Request) {
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| 	// Set header
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| 	w.Header().Set("Content-Type", "application/json")
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| 
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| 	err := logic.SetDNS()
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| 
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| 	if err != nil {
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| 		logger.Log(0, r.Header.Get("user"),
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| 			fmt.Sprintf("Failed to set DNS entries on file: %v", err))
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| 		logic.ReturnErrorResponse(w, r, logic.FormatError(err, "internal"))
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| 		return
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| 	}
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| 	logger.Log(1, r.Header.Get("user"), "pushed DNS updates to nameserver")
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| 	json.NewEncoder(w).Encode("DNS Pushed to CoreDNS")
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| }
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