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salesforce.go
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salesforce.go
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// Package salesforce provides a simple way of authenticating with
// Salesforce.com Bayeux-powered services.
//
// An example usage looks like:
//
// client := gobayeux.NewClient(serverAddress, gobayeux.WithHTTPTransport(salesforce.StaticTokenAuthenticator{myToken, http.DefaultTransport}))
package salesforce
import (
"errors"
"net/http"
"strings"
)
// StaticTokenAuthenticator adds your Salesforce Access Token to your
// requests
type StaticTokenAuthenticator struct {
// Token is the string obtained either from the Salesforce CX CLI (for
// example). You can also retrieve this by using the curl command on
// https://developer.salesforce.com/docs/atlas.en-us.api_iot.meta/api_iot/qs_auth_access_token.htm
Token string
// Transport is any http transport that satisfies the http.RoundTripper
// interface
Transport http.RoundTripper
cookies []*http.Cookie
}
// RoundTrip implements the RoundTripper interface
func (t *StaticTokenAuthenticator) RoundTrip(request *http.Request) (*http.Response, error) {
if !strings.HasSuffix(request.URL.Hostname(), "salesforce.com") {
return t.Transport.RoundTrip(request)
}
if t.Token == "" {
return nil, errors.New("no Token provided to authenticator transport")
}
newRequest := deepCopyRequestWitHeaders(request)
newRequest.Header.Set("Authorization", "Bearer "+t.Token)
for _, cookie := range t.cookies {
newRequest.AddCookie(cookie)
}
resp, err := t.Transport.RoundTrip(newRequest)
if err != nil {
return resp, err
}
t.cookies = resp.Cookies()
return resp, nil
}
func deepCopyRequestWitHeaders(request *http.Request) *http.Request {
newRequest := new(http.Request)
*newRequest = *request
newRequest.Header = make(http.Header, len(request.Header))
for header, values := range request.Header {
newRequest.Header[header] = append([]string(nil), values...)
}
return newRequest
}