Add a file for the vpn API

1 files changed, 51 insertions, 0 deletions

diff --git a/src/api.go b/src/api.go
new file mode 100644
index 0000000..9e082cc
--- /dev/null
+++ b/src/api.go
@@ -0,0 +1,51 @@
+package eduvpn
+
+import (
+	"encoding/json"
+	"io/ioutil"
+	"net/http"
+)
+
+type endpointList struct {
+	Endpoint              string `json:"api_endpoint"`
+	AuthorizationEndpoint string `json:"authorization_endpoint"`
+	TokenEndpoint         string `json:"token_endpoint"`
+}
+
+// Struct that defines the json format for /.well-known/vpn-user-portal"
+type PortalEndpoints struct {
+	API struct {
+		V2 endpointList `json:"http://eduvpn.org/api#2"`
+		V3 endpointList `json:"http://eduvpn.org/api#3"`
+	} `json:"api"`
+	V string `json:"v"`
+}
+
+func APIGetEndpoints(baseURL string) (*PortalEndpoints, error) {
+	url := baseURL + "/.well-known/vpn-user-portal"
+	resp, reqErr := http.Get(url)
+	if reqErr != nil {
+		return nil, reqErr
+	}
+	// Close the response body at the end
+	defer resp.Body.Close()
+
+	// Check if http response code is ok
+	if resp.StatusCode != http.StatusOK {
+		panic("http code not ok")
+	}
+	// Read the body
+	body, readErr := ioutil.ReadAll(resp.Body)
+	if readErr != nil {
+		return nil, readErr
+	}
+
+	structure := &PortalEndpoints{}
+	jsonErr := json.Unmarshal(body, &structure)
+
+	if jsonErr != nil {
+		return nil, jsonErr
+	}
+
+	return structure, nil
+}