105 lines
2.4 KiB
Go
105 lines
2.4 KiB
Go
package api
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import (
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"context"
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"encoding/json"
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"fmt"
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"net/http"
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"net/netip"
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"strings"
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"github.com/qdm12/gluetun/internal/models"
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)
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type echoip struct {
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client *http.Client
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url string
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}
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func newEchoip(client *http.Client, url string) *echoip {
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return &echoip{
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client: client,
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url: url,
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}
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}
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func (e *echoip) String() string {
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s := e.url
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s = strings.TrimPrefix(s, "http://")
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s = strings.TrimPrefix(s, "https://")
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return s
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}
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func (e *echoip) CanFetchAnyIP() bool {
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return true
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}
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func (e *echoip) Token() string {
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return ""
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}
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// FetchInfo obtains information on the ip address provided
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// using the echoip API at the url given. If the ip is the zero value,
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// the public IP address of the machine is used as the IP.
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func (e *echoip) FetchInfo(ctx context.Context, ip netip.Addr) (
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result models.PublicIP, err error,
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) {
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url := e.url + "/json"
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if ip.IsValid() {
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url += "?ip=" + ip.String()
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}
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request, err := http.NewRequestWithContext(ctx, http.MethodGet, url, nil)
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if err != nil {
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return result, err
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}
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response, err := e.client.Do(request)
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if err != nil {
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return result, err
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}
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defer response.Body.Close()
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switch response.StatusCode {
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case http.StatusOK:
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case http.StatusTooManyRequests:
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return result, fmt.Errorf("%w from %s: %s",
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ErrTooManyRequests, url, response.Status)
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default:
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return result, fmt.Errorf("%w from %s: %s",
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ErrBadHTTPStatus, url, response.Status)
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}
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decoder := json.NewDecoder(response.Body)
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var data struct {
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IP netip.Addr `json:"ip,omitempty"`
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Country string `json:"country,omitempty"`
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RegionName string `json:"region_name,omitempty"`
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ZipCode string `json:"zip_code,omitempty"`
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City string `json:"city,omitempty"`
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Latitude float32 `json:"latitude,omitempty"`
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Longitude float32 `json:"longitude,omitempty"`
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Hostname string `json:"hostname,omitempty"`
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// Timezone in the form America/Montreal
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Timezone string `json:"time_zone,omitempty"`
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AsnOrg string `json:"asn_org,omitempty"`
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}
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err = decoder.Decode(&data)
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if err != nil {
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return result, fmt.Errorf("decoding response: %w", err)
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}
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result = models.PublicIP{
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IP: data.IP,
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Region: data.RegionName,
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Country: data.Country,
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City: data.City,
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Hostname: data.Hostname,
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Location: fmt.Sprintf("%f,%f", data.Latitude, data.Longitude),
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Organization: data.AsnOrg,
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PostalCode: data.ZipCode,
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Timezone: data.Timezone,
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}
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return result, nil
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}
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