96 lines
2.3 KiB
Go
96 lines
2.3 KiB
Go
package yggdrasil
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import (
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"fmt"
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"github.com/google/uuid"
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)
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type Access struct {
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ar authResp
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ct string
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}
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// agent is a struct of auth
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type agent struct {
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Name string `json:"name"`
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Version int `json:"version"`
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}
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var defaultAgent = agent{
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Name: "Minecraft",
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Version: 1,
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}
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// authPayload is a yggdrasil request struct
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type authPayload struct {
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Agent agent `json:"agent"`
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UserName string `json:"username"`
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Password string `json:"password"`
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ClientToken string `json:"clientToken"`
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RequestUser bool `json:"requestUser"`
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}
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// authResp is the response from Mojang's auth server
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type authResp struct {
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Error string `json:"error"`
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ErrorMessage string `json:"errorMessage"`
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Cause string `json:"cause"`
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AccessToken string `json:"accessToken"`
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ClientToken string `json:"clientToken"` // identical to the one received
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AvailableProfiles []struct {
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ID string `json:"ID"` // hexadecimal
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Name string `json:"name"`
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Legacy bool `json:"legacy"` // In practice, this field only appears in the response if true. Default to false.
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} `json:"availableProfiles"` // only present if the agent field was received
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SelectedProfile struct { // only present if the agent field was received
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ID string `json:"id"`
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Name string `json:"name"`
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Legacy bool `json:"legacy"`
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} `json:"selectedProfile"`
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User struct { // only present if requestUser was true in the request authPayload
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ID string `json:"id"` // hexadecimal
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Properties []struct {
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Name string `json:"name"`
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Value string `json:"value"`
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}
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} `json:"user"`
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}
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// Authenticate authenticates a user using their password.
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func Authenticate(user, password string) (*Access, error) {
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// Payload
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pl := authPayload{
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Agent: defaultAgent,
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UserName: user,
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Password: password,
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ClientToken: uuid.New().String(),
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RequestUser: true,
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}
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// Resp
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var ar authResp
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// Request
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err := post("/authenticate", pl, &ar)
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if err != nil {
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return nil, err
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}
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if ar.Error != "" {
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err = fmt.Errorf("auth fail: %s: %s, %s}",
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ar.Error, ar.ErrorMessage, ar.Cause)
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return nil, err
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}
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return &Access{ar: ar, ct: pl.ClientToken}, nil
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}
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func (a *Access) SelectedProfile() (ID, Name string) {
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return a.ar.SelectedProfile.ID, a.ar.SelectedProfile.Name
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}
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func (a *Access) AccessToken() string {
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return a.ar.AccessToken
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}
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