add simple integration for map endpoint.

CHANGELOG.md

@@ -1,3 +1,7 @@
+# 2.4.0
+
+- Added support for IP Map API.
+
 # 2.3.2
 
 - Added the `Core.Bogon` boolean field.

ipinfo/client.go

@@ -13,7 +13,7 @@ import (
 
 const (
 	defaultBaseURL   = "https://ipinfo.io/"
-	defaultUserAgent = "IPinfoClient/Go/2.3.2"
+	defaultUserAgent = "IPinfoClient/Go/2.4.0"
 )
 
 // A Client is the main handler to communicate with the IPinfo API.

ipinfo/map.go

@@ -0,0 +1,49 @@
+package ipinfo
+
+import (
+	"bytes"
+	"encoding/json"
+	"errors"
+	"net"
+)
+
+// IPMap is the full JSON response from the IP Map API.
+type IPMap struct {
+	Status    string `json:"status"`
+	ReportURL string `json:"reportUrl"`
+}
+
+// GetIPMap returns an IPMap result for a group of IPs.
+//
+// `len(ips)` must not exceed 500,000.
+func GetIPMap(ips []net.IP) (*IPMap, error) {
+	return DefaultClient.GetIPMap(ips)
+}
+
+// GetIPMap returns an IPMap result for a group of IPs.
+//
+// `len(ips)` must not exceed 500,000.
+func (c *Client) GetIPMap(ips []net.IP) (*IPMap, error) {
+	if len(ips) > 500000 {
+		return nil, errors.New("ip count must be <500,000")
+	}
+
+	jsonArrStr, err := json.Marshal(ips)
+	if err != nil {
+		return nil, err
+	}
+	jsonBuf := bytes.NewBuffer(jsonArrStr)
+
+	req, err := c.newRequest(nil, "POST", "map?cli=1", jsonBuf)
+	if err != nil {
+		return nil, err
+	}
+	req.Header.Set("Content-Type", "application/json")
+
+	result := new(IPMap)
+	if _, err := c.do(req, result); err != nil {
+		return nil, err
+	}
+
+	return result, nil
+}