1 files changed, 89 insertions, 0 deletions
diff --git a/gateways.go b/gateways.go
new file mode 100644
index 0000000..404f40a
--- /dev/null
+++ b/gateways.go
@@ -0,0 +1,89 @@
+// Copyright (c) 2018 LEAP Encryption Access Project
+
+package main
+
+import (
+	"encoding/json"
+	"fmt"
+	"net/http"
+)
+
+const (
+	// yes, I am cheating. The config file is also exposed on the top-level
+	// domain, which is served behind a letsencrypt certificate. this saves passing
+	// the certificate for the ca etc.
+	eipAPI = "https://black.riseup.net/1/config/eip-service.json"
+)
+
+type bonafide struct {
+	client *http.Client
+	eip    *eipService
+}
+
+type eipService struct {
+	Gateways  []gateway
+	Locations map[string]struct {
+		CountryCode string
+		Hemisphere  string
+		Name        string
+		Timezone    string
+	}
+}
+
+type gateway struct {
+	Host        string
+	Location    string
+	IPAddress   string `json:"ip_address"`
+	Coordinates coordinates
+}
+
+type coordinates struct {
+	Latitude  float64
+	Longitude float64
+}
+
+func newBonafide() *bonafide {
+	client := &http.Client{}
+	return &bonafide{client, nil}
+}
+
+func (b *bonafide) getGateways() ([]gateway, error) {
+	if b.eip == nil {
+		err := b.fetchEipJSON()
+		if err != nil {
+			return nil, err
+		}
+	}
+	return b.eip.Gateways, nil
+}
+
+func (b *bonafide) fetchEipJSON() error {
+	resp, err := b.client.Post(eipAPI, "", nil)
+	if err != nil {
+		return err
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != 200 {
+		return fmt.Errorf("get eip json has failed with status: %s", resp.Status)
+	}
+	var eip eipService
+	decoder := json.NewDecoder(resp.Body)
+	err = decoder.Decode(&eip)
+	if err != nil {
+		return err
+	}
+	b.eip = &eip
+	return nil
+}
+
+func (b *bonafide) listGateways() error {
+	if b.eip == nil {
+		return fmt.Errorf("cannot list gateways, it is empty")
+	}
+
+	for i := 0; i < len(b.eip.Gateways); i++ {
+		fmt.Printf("\t%v\n", b.eip.Gateways[i])
+	}
+	return nil
+
+}