102 lines
2.1 KiB
Go
102 lines
2.1 KiB
Go
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package websockets
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import (
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"crypto/md5"
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"crypto/sha256"
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"encoding/json"
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"fmt"
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"database/sql"
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"zxq.co/ripple/rippleapi/common"
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)
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type websocketUser struct {
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ID int `json:"id"`
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Username string `json:"username"`
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UserPrivileges uint64 `json:"user_privileges"`
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TokenPrivileges uint64 `json:"token_privileges"`
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ApplicationID *string `json:"application_id"`
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}
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type identifyMessage struct {
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Token string `json:"token"`
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IsBearer bool `json:"is_bearer"`
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}
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// Identify sets the identity of the user.
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func Identify(c *conn, message incomingMessage) {
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var idMsg identifyMessage
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err := json.Unmarshal(message.Data, &idMsg)
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if err != nil {
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c.WriteJSON(TypeInvalidMessage, err.Error())
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return
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}
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var wsu websocketUser
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if idMsg.IsBearer {
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err = getBearerToken(idMsg.Token, &wsu)
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} else {
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err = db.Get(&wsu, `
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SELECT
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t.user as id, t.privileges as token_privileges,
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u.username, u.privileges as user_privileges
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FROM tokens t
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INNER JOIN users u ON t.user = u.id
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WHERE t.token = ?`, fmt.Sprintf("%x", md5.Sum([]byte(idMsg.Token))))
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}
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switch err {
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case nil:
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break
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case sql.ErrNoRows:
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c.WriteJSON(TypeNotFound, nil)
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return
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default:
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common.WSErr(err)
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c.WriteJSON(TypeUnexpectedError, nil)
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return
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}
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wsu.TokenPrivileges = uint64(
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common.Privileges(wsu.TokenPrivileges).CanOnly(
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common.UserPrivileges(wsu.UserPrivileges),
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),
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)
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c.Mtx.Lock()
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c.User = &wsu
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c.Mtx.Unlock()
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c.WriteJSON(TypeIdentified, wsu)
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}
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func getBearerToken(token string, wsu *websocketUser) error {
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var x struct {
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Client string
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Scope string
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Extra int
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}
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err := db.Get(&x, "SELECT client, scope, extra FROM osin_access WHERE access_token = ? LIMIT 1", fmt.Sprintf("%x", sha256.Sum256([]byte(token))))
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if err != nil {
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return err
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}
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var userInfo struct {
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Username string
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Privileges uint64
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}
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err = db.Get(&userInfo, "SELECT username, privileges FROM users WHERE id = ? LIMIT 1", x.Extra)
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if err != nil {
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return err
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}
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wsu.ApplicationID = &x.Client
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wsu.ID = x.Extra
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wsu.Username = userInfo.Username
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wsu.UserPrivileges = userInfo.Privileges
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wsu.TokenPrivileges = uint64(common.OAuthPrivileges(x.Scope))
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return nil
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}
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