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package main
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import (
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"bytes"
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"crypto/tls"
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"encoding/json"
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"errors"
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"fmt"
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"io/ioutil"
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"log"
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"net/http"
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"net/http/cookiejar"
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"os"
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"time"
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influx "github.com/influxdata/influxdb/client/v2"
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)
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var (
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API *http.Client
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stats influx.Client
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)
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type Response struct {
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Data []Client
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Meta struct {
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Rc string
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}
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}
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type DpiStat struct {
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App int64
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Cat int
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RxBytes int64
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RxPackets int64
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TxBytes int64
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TxPackets int64
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}
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type Client struct {
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ID string `json:"_id"`
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IsGuestByUAP bool `json:"_is_guest_by_uap"`
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IsGuestByUGW bool `json:"_is_guest_by_ugw"`
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LastSeenByUAP int64 `json:"_last_seen_by_uap"`
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LastSeenByUGW int64 `json:"_last_seen_by_ugw"`
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UptimeByUAP int64 `json:"_uptime_by_uap"`
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UptimeByUGW int64 `json:"_uptime_by_ugw"`
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ApMac string `json:"ap_mac"`
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AssocTime int64 `json:"assoc_time"`
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Authorized bool
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Bssid string
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BytesR int `json:"bytes-r"`
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Ccq int
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Channel int
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DpiStats []DpiStat `json:"dpi_stats"`
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DpiStatsLastUpdated int64 `json:"dpi_stats_last_updated"`
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Essid string
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FirstSeen int64 `json:"first_seen"`
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FixedIP string `json:"fixed_ip"`
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Hostname string
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GwMac string `json:"gw_mac"`
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IdleTime int64 `json:"idle_time"`
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Ip string
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IsGuest bool `json:"is_guest"`
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IsWired bool `json:"is_wired"`
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LastSeen int64 `json:"last_seen"`
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LatestAssocTime int64 `json:"latest_assoc_time"`
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Mac string
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Name string
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Network string
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NetworkID string `json:"network_id"`
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Noise int
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Oui string
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PowersaveEnabled bool `json:"powersave_enabled"`
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QosPolicyApplied bool `json:"qos_policy_applied"`
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Radio string
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RadioProto string `json:"radio_proto"`
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RoamCount int `json:"roam_count"`
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Rssi int
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RxBytes int64 `json:"rx_bytes"`
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RxBytesR int `json:"rx_bytes-r"`
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RxPackets int64 `json:"rx_packets"`
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RxRate int64 `json:"rx_rate"`
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Signal int
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SiteID string `json:"site_id"`
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TxBytes int64 `json:"tx_bytes"`
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TxBytesR int `json:"tx_bytes-r"`
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TxPackets int64 `json:"tx_packets"`
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TxPower int `json:"tx_power"`
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TxRate int64 `json:"tx_rate"`
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Uptime int64
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UserID string `json:"user_id"`
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Vlan int
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}
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func (c Client) Point() *influx.Point {
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tags := map[string]string{
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"mac": c.Mac,
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"user_id": c.UserID,
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"site_id": c.SiteID,
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"ip": c.Ip,
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"essid": c.Essid,
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"network": c.Network,
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"ap_mac": c.ApMac,
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"name": c.Name,
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}
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fields := map[string]interface{}{
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"is_guest_by_uap": c.IsGuestByUAP,
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"is_guest_by_ugw": c.IsGuestByUGW,
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"authorized": c.Authorized,
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"last_seen_by_uap": c.LastSeenByUAP,
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"last_seen_by_ugw": c.LastSeenByUGW,
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"uptime_by_uap": c.UptimeByUAP,
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"uptime_by_ugw": c.UptimeByUGW,
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"assoc_time": c.AssocTime,
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"bytes_r": c.BytesR,
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"ccq": c.Ccq,
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"channel": c.Channel,
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"dpi_stats_last_updated": c.DpiStatsLastUpdated,
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"first_seen": c.FirstSeen,
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"idle_time": c.IdleTime,
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"last_seen": c.LastSeen,
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"latest_assoc_time": c.LatestAssocTime,
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"noise": c.Noise,
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"roam_count": c.RoamCount,
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"rssi": c.Rssi,
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"rx_bytes": c.RxBytes,
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"rx_bytes_r": c.RxBytesR,
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"rx_packets": c.RxPackets,
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"rx_rate": c.RxRate,
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"signal": c.Signal,
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"tx_bytes": c.TxBytes,
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"tx_bytes_r": c.TxBytesR,
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"tx_packets": c.TxPackets,
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"tx_power": c.TxPower,
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"tx_rate": c.TxRate,
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"uptime": c.Uptime,
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"vlan": c.Vlan,
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}
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pt, err := influx.NewPoint("client_state", tags, fields, time.Now())
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if err != nil {
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return nil
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}
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return pt
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}
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func main() {
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var err error
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tickRate := os.Getenv("TICK_RATE")
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interval, err := time.ParseDuration(tickRate)
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if err != nil {
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panic(err)
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}
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API, err = login()
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if err != nil {
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panic(err)
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}
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database := os.Getenv("INFLUXDB_DATABASE")
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stats, err = influx.NewHTTPClient(influx.HTTPConfig{
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Addr: os.Getenv("INFLUXDB_ADDR"),
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Username: os.Getenv("INFLUXDB_USERNAME"),
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Password: os.Getenv("INFLUXDB_PASSWORD"),
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})
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if err != nil {
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panic(err)
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}
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log.Printf("Starting to poll Unifi every %+v\n", interval)
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for {
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devices, err := fetch()
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if err != nil {
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log.Println(err)
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} else {
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bp, _ := influx.NewBatchPoints(influx.BatchPointsConfig{
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Database: database,
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})
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for _, device := range devices {
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bp.AddPoint(device.Point())
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}
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err = stats.Write(bp)
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if err != nil {
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log.Println(err)
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}
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log.Println("Logged client state...")
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}
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time.Sleep(interval)
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}
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}
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func fetch() ([]Client, error) {
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format := "https://%s:%s/api/s/default/stat/sta"
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url := fmt.Sprintf(format, os.Getenv("UNIFI_ADDR"), os.Getenv("UNIFI_PORT"))
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req, err := http.NewRequest("GET", url, nil)
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req.Header.Add("Accept", "application/json")
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resp, err := API.Do(req)
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if err != nil {
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return nil, err
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}
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defer resp.Body.Close()
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body, _ := ioutil.ReadAll(resp.Body)
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response := &Response{}
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err = json.Unmarshal(body, response)
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if err != nil {
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return nil, err
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}
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return response.Data, nil
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}
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func login() (*http.Client, error) {
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url := fmt.Sprintf("https://%s:%s/api/login", os.Getenv("UNIFI_ADDR"), os.Getenv("UNIFI_PORT"))
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auth := map[string]string{
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"username": os.Getenv("UNIFI_USERNAME"),
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"password": os.Getenv("UNIFI_PASSWORD"),
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}
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transport := &http.Transport{
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TLSClientConfig: &tls.Config{InsecureSkipVerify: true},
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}
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jar, _ := cookiejar.New(nil)
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client := &http.Client{
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Transport: transport,
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Jar: jar,
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}
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json, _ := json.Marshal(auth)
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params := bytes.NewReader(json)
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req, err := http.NewRequest("POST", url, params)
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if err != nil {
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return nil, err
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}
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req.Header.Add("Accept", "application/json")
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resp, err := client.Do(req)
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if err != nil {
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return nil, err
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}
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if resp.StatusCode != http.StatusOK {
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return nil, errors.New("Not a successful request")
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}
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return client, nil
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}
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Garrett Bjerkhoel