mirror of
https://github.com/AdguardTeam/AdGuardHome.git
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2638e271fe
Merge in DNS/adguard-home from method-const to master
Squashed commit of the following:
commit ae6d6699a25ca04ba92aa53258d46e50233a9e00
Author: Ainar Garipov <A.Garipov@AdGuard.COM>
Date: Fri Jan 29 22:03:59 2021 +0300
all: use http method constants
120 lines
3.3 KiB
Go
120 lines
3.3 KiB
Go
// HTTP request handlers for accessing statistics data and configuration settings
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package stats
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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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"time"
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"github.com/AdguardTeam/golibs/log"
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)
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func httpError(r *http.Request, w http.ResponseWriter, code int, format string, args ...interface{}) {
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text := fmt.Sprintf(format, args...)
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log.Info("Stats: %s %s: %s", r.Method, r.URL, text)
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http.Error(w, text, code)
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}
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// statsResponse is a response for getting statistics.
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type statsResponse struct {
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TimeUnits string `json:"time_units"`
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NumDNSQueries uint64 `json:"num_dns_queries"`
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NumBlockedFiltering uint64 `json:"num_blocked_filtering"`
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NumReplacedSafebrowsing uint64 `json:"num_replaced_safebrowsing"`
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NumReplacedSafesearch uint64 `json:"num_replaced_safesearch"`
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NumReplacedParental uint64 `json:"num_replaced_parental"`
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AvgProcessingTime float64 `json:"avg_processing_time"`
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TopQueried []map[string]uint64 `json:"top_queried_domains"`
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TopClients []map[string]uint64 `json:"top_clients"`
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TopBlocked []map[string]uint64 `json:"top_blocked_domains"`
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DNSQueries []uint64 `json:"dns_queries"`
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BlockedFiltering []uint64 `json:"blocked_filtering"`
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ReplacedSafebrowsing []uint64 `json:"replaced_safebrowsing"`
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ReplacedParental []uint64 `json:"replaced_parental"`
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}
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// handleStats is a handler for getting statistics.
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func (s *statsCtx) handleStats(w http.ResponseWriter, r *http.Request) {
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start := time.Now()
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response, ok := s.getData()
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log.Debug("Stats: prepared data in %v", time.Since(start))
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if !ok {
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httpError(r, w, http.StatusInternalServerError, "Couldn't get statistics data")
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return
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}
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w.Header().Set("Content-Type", "application/json")
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err := json.NewEncoder(w).Encode(response)
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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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type config struct {
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IntervalDays uint32 `json:"interval"`
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}
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// Get configuration
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func (s *statsCtx) handleStatsInfo(w http.ResponseWriter, r *http.Request) {
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resp := config{}
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resp.IntervalDays = s.conf.limit / 24
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data, err := json.Marshal(resp)
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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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w.Header().Set("Content-Type", "application/json")
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_, err = w.Write(data)
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if err != nil {
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httpError(r, w, http.StatusInternalServerError, "http write: %s", err)
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}
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}
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// Set configuration
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func (s *statsCtx) handleStatsConfig(w http.ResponseWriter, r *http.Request) {
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reqData := config{}
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err := json.NewDecoder(r.Body).Decode(&reqData)
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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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if !checkInterval(reqData.IntervalDays) {
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httpError(r, w, http.StatusBadRequest, "Unsupported interval")
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return
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}
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s.setLimit(int(reqData.IntervalDays))
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s.conf.ConfigModified()
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}
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// Reset data
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func (s *statsCtx) handleStatsReset(w http.ResponseWriter, r *http.Request) {
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s.clear()
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}
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// Register web handlers
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func (s *statsCtx) initWeb() {
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if s.conf.HTTPRegister == nil {
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return
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}
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s.conf.HTTPRegister(http.MethodGet, "/control/stats", s.handleStats)
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s.conf.HTTPRegister(http.MethodPost, "/control/stats_reset", s.handleStatsReset)
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s.conf.HTTPRegister(http.MethodPost, "/control/stats_config", s.handleStatsConfig)
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s.conf.HTTPRegister(http.MethodGet, "/control/stats_info", s.handleStatsInfo)
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}
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