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vendorlist.go
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vendorlist.go
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package consentstring
import (
"encoding/json"
"io/ioutil"
"net/http"
"time"
)
const (
vendorListURL = "https://vendorlist.consensu.org/vendorlist.json"
)
// VendorList can be downloaded from
// https://vendorlist.consensu.org/vendorlist.json
type VendorList struct {
VendorListVersion uint `json:"vendorListVersion"`
LastUpdated time.Time `json:"lastUpdated"`
Purposes []Purposes `json:"purposes"`
Features []Features `json:"features"`
Vendors []Vendors `json:"vendors"`
}
// Purposes ...
type Purposes struct {
ID uint `json:"id"`
Name string `json:"name"`
Description string `json:"description"`
}
// Features ...
type Features struct {
ID uint `json:"id"`
Name string `json:"name"`
Description string `json:"description"`
}
// Vendors ...
type Vendors struct {
ID uint `json:"id"`
Name string `json:"name"`
PolicyURL string `json:"policyUrl"`
PurposeIDS []uint `json:"purposeIds"`
LegIntPurposeIDS []uint `json:"legIntPurposeIds"`
FeatureIDS []uint `json:"featureIds"`
}
// LoadVendorList fetches the lastests vendor list from consensu.org
func LoadVendorList(timeoutSeconds int) (VendorList, error) {
var v VendorList
client := http.Client{Timeout: time.Duration(timeoutSeconds) * time.Second}
res, err := client.Get("https://vendorlist.consensu.org/vendorlist.json")
if err != nil {
return v, err
}
b, err := ioutil.ReadAll(res.Body)
if err != nil {
return v, err
}
err = json.Unmarshal(b, &v)
if err != nil {
return v, err
}
return v, nil
}
// BuildConsentStringFromVendorConsent is a convience method
// it assumes version 1 of the IAB consent string, that all vendors should be allowed for all purposes
func BuildConsentStringFromVendorConsent(v VendorList, cmpID, cmpVersion, consentScreen uint, language string) (string, error) {
vcf := &VendorConsentFields{
Version: 1,
Created: time.Now(),
CmpID: cmpID,
CmpVersion: cmpVersion,
LastUpdated: v.LastUpdated,
ConsentScreen: consentScreen,
ConsentLanguage: language,
VendorListVersion: v.VendorListVersion,
PurposesAllowed: []uint{1, 1, 1, 1, 1},
MaxVendorID: uint(len(v.Vendors)),
EncodingType: 1,
DefaultConsent: 1,
}
return vcf.CreateConsentString()
}