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package eduvpn_discovery
import (
"encoding/json"
"io/ioutil"
"net/http"
"fmt"
)
// Struct that defines the json format for
// url: "https://disco.eduvpn.org/v2/organization_list.json"
type organizations struct {
v string `json:"v"`
OrganizationList []struct {
DisplayName struct {
En string `json:"en"`
} `json:"display_name"`
OrgId string `json:"org_id"`
SecureInternetHome string `json:"secure_internet_home"`
KeywordList struct {
En string `json:"en"`
} `json:"keyword_list"`
} `json:"organization_list"`
}
// Struct that defines the json format for
// url: "https://disco.eduvpn.org/v2/server_list.json"
type servers struct {
v string `json:"v"`
ServerList []struct {
BaseUrl string `json:"base_url"`
CountryCode string `json:"country_code"`
PublicKeyList []string `json:"public_key_list"`
ServerType string `json:"secure_internet"`
SupportContact []string `json:"support_contact"`
} `json:"server_list"`
}
// Helper function that gets a disco json
// TODO: Verify signature
func getDiscoJson(jsonFile string, structure interface{}) bool {
url := "https://disco.eduvpn.org/v2/" + jsonFile
// Do a Get request to the specified url
resp, reqErr := http.Get(url)
if reqErr != nil {
fmt.Println("error making request")
return false
}
// Read the body
body, readErr := ioutil.ReadAll(resp.Body)
if readErr != nil {
fmt.Println("error reading body of request")
return false
}
// Parse the json using the predefined struct
error := json.Unmarshal([]byte(body), &structure)
if error != nil {
fmt.Println("error parsing server json")
return false
}
return true
}
// Get the organization list
func getOrganizationList() bool {
organizations := organizations{}
return getDiscoJson("organization_list.json", &organizations)
}
// Get the server list
func getServerList() bool {
servers := servers{}
return getDiscoJson("server_list.json", &servers)
}
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