108 lines
2.9 KiB
Go
108 lines
2.9 KiB
Go
package authenticate
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//Simple yggdrasil-minecraft-login method.
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import (
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"bytes"
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"encoding/json"
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"fmt"
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"io/ioutil"
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"net/http"
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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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// payload is a authenticate request struct
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type payload 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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// Authenticate authenticates a user using their password.
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func Authenticate(user, passwd string) (respData Response, err error) {
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j, err := json.Marshal(payload{
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Agent: agent{
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Name: "Minecraft",
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Version: 1,
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},
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UserName: user,
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Password: passwd,
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ClientToken: "go-mc",
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RequestUser: true,
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})
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// fmt.Println(string(j))
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if err != nil {
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err = fmt.Errorf("encoding json fail: %v", err)
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return
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}
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//Post
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client := http.Client{}
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PostRequest, err := http.NewRequest(http.MethodPost, "https://authserver.mojang.com/authenticate",
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bytes.NewReader(j))
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if err != nil {
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err = fmt.Errorf("make request error: %v", err)
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return
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}
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PostRequest.Header.Set("User-agent", "go-mc")
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PostRequest.Header.Set("Connection", "keep-alive")
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PostRequest.Header.Set("Content-Type", "application/json")
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resp, err := client.Do(PostRequest)
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if err != nil {
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err = fmt.Errorf("post authenticate fail: %v", err)
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return
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}
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defer resp.Body.Close()
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body, err := ioutil.ReadAll(resp.Body)
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if err != nil {
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err = fmt.Errorf("read authenticate resp fail: %v", err)
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return
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}
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err = json.Unmarshal(body, &respData)
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if err != nil {
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err = fmt.Errorf("unmarshal json data fail: %v", err)
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return
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}
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if respData.Error != "" {
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err = fmt.Errorf("authenticate fail: {error: %q, errorMessage: %q, cause: %q}",
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respData.Error, respData.ErrorMessage, respData.Cause)
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return
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}
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return
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}
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// Response is the response from Mojang's auth server
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type Response 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 payload
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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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