499 lines
14 KiB
Go
499 lines
14 KiB
Go
package middleware
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import (
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"errors"
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"fmt"
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"net"
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"net/http"
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"strconv"
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"strings"
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"github.com/QuantumNous/new-api/common"
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"github.com/QuantumNous/new-api/constant"
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"github.com/QuantumNous/new-api/i18n"
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"github.com/QuantumNous/new-api/logger"
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"github.com/QuantumNous/new-api/model"
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"github.com/QuantumNous/new-api/service"
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"github.com/QuantumNous/new-api/setting/ratio_setting"
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"github.com/QuantumNous/new-api/types"
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"github.com/gin-contrib/sessions"
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"github.com/gin-gonic/gin"
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"gorm.io/gorm"
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)
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func validUserInfo(username string, role int) bool {
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// check username is empty
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if strings.TrimSpace(username) == "" {
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return false
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}
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if !common.IsValidateRole(role) {
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return false
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}
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return true
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}
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// toInt safely converts session values to int.
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// Session stores may return int, int64, float64, etc. depending on the backend.
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func toInt(v interface{}) (int, bool) {
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if v == nil {
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return 0, false
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}
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switch n := v.(type) {
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case int:
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return n, true
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case int64:
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return int(n), true
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case int32:
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return int(n), true
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case float64:
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return int(n), true
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case float32:
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return int(n), true
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default:
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return 0, false
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}
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}
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func authHelper(c *gin.Context, minRole int) {
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session := sessions.Default(c)
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username := session.Get("username")
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role := session.Get("role")
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id := session.Get("id")
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status := session.Get("status")
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useAccessToken := false
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if username == nil {
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// Check access token
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accessToken := c.Request.Header.Get("Authorization")
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if accessToken == "" {
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c.JSON(http.StatusUnauthorized, gin.H{
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"success": false,
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"message": common.TranslateMessage(c, i18n.MsgAuthNotLoggedIn),
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})
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c.Abort()
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return
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}
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user, authErr := model.ValidateAccessToken(accessToken)
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if authErr != nil {
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if errors.Is(authErr, model.ErrDatabase) {
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common.SysLog("ValidateAccessToken database error: " + authErr.Error())
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c.JSON(http.StatusInternalServerError, gin.H{
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"success": false,
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"message": common.TranslateMessage(c, i18n.MsgDatabaseError),
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})
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} else {
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c.JSON(http.StatusOK, gin.H{
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"success": false,
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"message": common.TranslateMessage(c, i18n.MsgAuthAccessTokenInvalid),
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})
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}
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c.Abort()
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return
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}
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if user != nil && user.Username != "" {
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if !validUserInfo(user.Username, user.Role) {
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c.JSON(http.StatusOK, gin.H{
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"success": false,
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"message": common.TranslateMessage(c, i18n.MsgAuthUserInfoInvalid),
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})
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c.Abort()
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return
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}
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// Token is valid
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username = user.Username
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role = user.Role
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id = user.Id
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status = user.Status
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useAccessToken = true
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} else {
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c.JSON(http.StatusOK, gin.H{
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"success": false,
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"message": common.TranslateMessage(c, i18n.MsgAuthAccessTokenInvalid),
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})
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c.Abort()
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return
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}
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}
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// get header New-Api-User
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apiUserIdStr := c.Request.Header.Get("New-Api-User")
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if apiUserIdStr == "" {
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c.JSON(http.StatusUnauthorized, gin.H{
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"success": false,
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"message": common.TranslateMessage(c, i18n.MsgAuthUserIdNotProvided),
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})
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c.Abort()
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return
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}
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apiUserId, err := strconv.Atoi(apiUserIdStr)
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if err != nil {
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c.JSON(http.StatusUnauthorized, gin.H{
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"success": false,
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"message": common.TranslateMessage(c, i18n.MsgAuthUserIdFormatError),
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})
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c.Abort()
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return
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}
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sessionId, ok := toInt(id)
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if !ok || sessionId != apiUserId {
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c.JSON(http.StatusUnauthorized, gin.H{
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"success": false,
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"message": common.TranslateMessage(c, i18n.MsgAuthUserIdMismatch),
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})
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c.Abort()
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return
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}
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statusInt, ok := toInt(status)
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if !ok || statusInt == common.UserStatusDisabled {
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if !ok {
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common.SysLog(fmt.Sprintf("authHelper: invalid status type %T: %v", status, status))
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}
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c.JSON(http.StatusOK, gin.H{
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"success": false,
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"message": common.TranslateMessage(c, i18n.MsgAuthUserBanned),
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})
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c.Abort()
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return
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}
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roleInt, ok := toInt(role)
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if !ok || roleInt < minRole {
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if !ok {
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common.SysLog(fmt.Sprintf("authHelper: invalid role type %T: %v", role, role))
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}
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c.JSON(http.StatusOK, gin.H{
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"success": false,
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"message": common.TranslateMessage(c, i18n.MsgAuthInsufficientPrivilege),
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})
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c.Abort()
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return
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}
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usernameStr, ok := username.(string)
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if !ok {
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common.SysLog(fmt.Sprintf("authHelper: invalid username type %T: %v", username, username))
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c.JSON(http.StatusOK, gin.H{
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"success": false,
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"message": common.TranslateMessage(c, i18n.MsgAuthUserInfoInvalid),
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})
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c.Abort()
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return
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}
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if !validUserInfo(usernameStr, roleInt) {
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c.JSON(http.StatusOK, gin.H{
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"success": false,
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"message": common.TranslateMessage(c, i18n.MsgAuthUserInfoInvalid),
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})
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c.Abort()
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return
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}
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// 防止不同newapi版本冲突，导致数据不通用
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c.Header("Auth-Version", "864b7076dbcd0a3c01b5520316720ebf")
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c.Set("username", usernameStr)
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c.Set("role", roleInt)
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c.Set("id", sessionId)
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c.Set("group", session.Get("group"))
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c.Set("user_group", session.Get("group"))
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c.Set("use_access_token", useAccessToken)
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// 管理/root 写操作审计兜底：内聚在鉴权链路里，保证任何经过 AdminAuth/RootAuth
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// 的写接口都会自动留痕（无需在路由上单独挂审计中间件，避免漏挂）。
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// handler 内手动埋点者会设置 ContextKeyAuditLogged，finishAdminAudit 据此跳过。
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var auditWriter *auditResponseWriter
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if minRole >= common.RoleAdminUser {
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auditWriter = beginAdminAudit(c)
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}
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c.Next()
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finishAdminAudit(c, auditWriter)
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}
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func TryUserAuth() func(c *gin.Context) {
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return func(c *gin.Context) {
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session := sessions.Default(c)
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id := session.Get("id")
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if id != nil {
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if idInt, ok := toInt(id); ok {
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c.Set("id", idInt)
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}
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}
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role := session.Get("role")
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if role != nil {
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if roleInt, ok := toInt(role); ok {
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c.Set("role", roleInt)
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}
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}
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c.Next()
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}
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}
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func UserAuth() func(c *gin.Context) {
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return func(c *gin.Context) {
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authHelper(c, common.RoleCommonUser)
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}
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}
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func AdminAuth() func(c *gin.Context) {
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return func(c *gin.Context) {
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authHelper(c, common.RoleAdminUser)
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}
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}
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func RootAuth() func(c *gin.Context) {
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return func(c *gin.Context) {
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authHelper(c, common.RoleRootUser)
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}
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}
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func WssAuth(c *gin.Context) {
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}
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// TokenOrUserAuth allows either session-based user auth or API token auth.
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// Used for endpoints that need to be accessible from both the dashboard and API clients.
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func TokenOrUserAuth() func(c *gin.Context) {
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return func(c *gin.Context) {
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// Try session auth first (dashboard users)
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session := sessions.Default(c)
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if id := session.Get("id"); id != nil {
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if status, ok := session.Get("status").(int); ok && status == common.UserStatusEnabled {
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c.Set("id", id)
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c.Next()
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return
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}
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}
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// Fall back to token auth (API clients)
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TokenAuth()(c)
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}
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}
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// TokenAuthReadOnly 宽松版本的令牌认证中间件，用于只读查询接口。
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// 只验证令牌 key 是否存在，不检查令牌状态、过期时间和额度。
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// 即使令牌已过期、已耗尽或已禁用，也允许访问。
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// 仍然检查用户是否被封禁。
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func TokenAuthReadOnly() func(c *gin.Context) {
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return func(c *gin.Context) {
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key := c.Request.Header.Get("Authorization")
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if key == "" {
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c.JSON(http.StatusUnauthorized, gin.H{
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"success": false,
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"message": common.TranslateMessage(c, i18n.MsgTokenNotProvided),
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})
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c.Abort()
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return
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}
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if strings.HasPrefix(key, "Bearer ") || strings.HasPrefix(key, "bearer ") {
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key = strings.TrimSpace(key[7:])
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}
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key = strings.TrimPrefix(key, "sk-")
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parts := strings.Split(key, "-")
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key = parts[0]
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token, err := model.GetTokenByKey(key, false)
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if err != nil {
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if errors.Is(err, gorm.ErrRecordNotFound) {
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c.JSON(http.StatusUnauthorized, gin.H{
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"success": false,
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"message": common.TranslateMessage(c, i18n.MsgTokenInvalid),
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})
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} else {
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common.SysLog("TokenAuthReadOnly GetTokenByKey database error: " + err.Error())
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c.JSON(http.StatusInternalServerError, gin.H{
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"success": false,
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"message": common.TranslateMessage(c, i18n.MsgDatabaseError),
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})
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}
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c.Abort()
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return
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}
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userCache, err := model.GetUserCache(token.UserId)
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if err != nil {
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common.SysLog(fmt.Sprintf("TokenAuthReadOnly GetUserCache error for user %d: %v", token.UserId, err))
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c.JSON(http.StatusInternalServerError, gin.H{
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"success": false,
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"message": common.TranslateMessage(c, i18n.MsgDatabaseError),
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})
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c.Abort()
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return
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}
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if userCache.Status != common.UserStatusEnabled {
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c.JSON(http.StatusForbidden, gin.H{
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"success": false,
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"message": common.TranslateMessage(c, i18n.MsgAuthUserBanned),
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})
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c.Abort()
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return
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}
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c.Set("id", token.UserId)
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c.Set("token_id", token.Id)
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c.Set("token_key", token.Key)
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c.Next()
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}
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}
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func TokenAuth() func(c *gin.Context) {
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return func(c *gin.Context) {
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// 先检测是否为ws
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if c.Request.Header.Get("Sec-WebSocket-Protocol") != "" {
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// Sec-WebSocket-Protocol: realtime, openai-insecure-api-key.sk-xxx, openai-beta.realtime-v1
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// read sk from Sec-WebSocket-Protocol
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key := c.Request.Header.Get("Sec-WebSocket-Protocol")
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parts := strings.Split(key, ",")
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for _, part := range parts {
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part = strings.TrimSpace(part)
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if strings.HasPrefix(part, "openai-insecure-api-key") {
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key = strings.TrimPrefix(part, "openai-insecure-api-key.")
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break
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}
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}
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c.Request.Header.Set("Authorization", "Bearer "+key)
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}
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// 检查path包含/v1/messages 或 /v1/models
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if strings.Contains(c.Request.URL.Path, "/v1/messages") || strings.Contains(c.Request.URL.Path, "/v1/models") {
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anthropicKey := c.Request.Header.Get("x-api-key")
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if anthropicKey != "" {
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c.Request.Header.Set("Authorization", "Bearer "+anthropicKey)
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}
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}
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// gemini api 从query中获取key
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if strings.HasPrefix(c.Request.URL.Path, "/v1beta/models") ||
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strings.HasPrefix(c.Request.URL.Path, "/v1beta/openai/models") ||
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strings.HasPrefix(c.Request.URL.Path, "/v1/models/") {
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skKey := c.Query("key")
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if skKey != "" {
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c.Request.Header.Set("Authorization", "Bearer "+skKey)
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}
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// 从x-goog-api-key header中获取key
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xGoogKey := c.Request.Header.Get("x-goog-api-key")
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if xGoogKey != "" {
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c.Request.Header.Set("Authorization", "Bearer "+xGoogKey)
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}
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}
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key := c.Request.Header.Get("Authorization")
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parts := make([]string, 0)
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if strings.HasPrefix(key, "Bearer ") || strings.HasPrefix(key, "bearer ") {
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key = strings.TrimSpace(key[7:])
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}
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if key == "" || key == "midjourney-proxy" {
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key = c.Request.Header.Get("mj-api-secret")
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if strings.HasPrefix(key, "Bearer ") || strings.HasPrefix(key, "bearer ") {
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key = strings.TrimSpace(key[7:])
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}
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key = strings.TrimPrefix(key, "sk-")
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parts = strings.Split(key, "-")
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key = parts[0]
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} else {
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key = strings.TrimPrefix(key, "sk-")
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parts = strings.Split(key, "-")
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key = parts[0]
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}
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token, err := model.ValidateUserToken(key)
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if token != nil {
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id := c.GetInt("id")
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if id == 0 {
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c.Set("id", token.UserId)
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}
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}
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if err != nil {
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if errors.Is(err, model.ErrDatabase) {
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common.SysLog("TokenAuth ValidateUserToken database error: " + err.Error())
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abortWithOpenAiMessage(c, http.StatusInternalServerError,
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common.TranslateMessage(c, i18n.MsgDatabaseError))
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} else {
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abortWithOpenAiMessage(c, http.StatusUnauthorized,
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common.TranslateMessage(c, i18n.MsgTokenInvalid))
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}
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return
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}
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allowIps := token.GetIpLimits()
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if len(allowIps) > 0 {
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clientIp := c.ClientIP()
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logger.LogDebug(c, "Token has IP restrictions, checking client IP %s", clientIp)
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ip := net.ParseIP(clientIp)
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if ip == nil {
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abortWithOpenAiMessage(c, http.StatusForbidden, "无法解析客户端 IP 地址")
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return
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}
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if common.IsIpInCIDRList(ip, allowIps) == false {
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abortWithOpenAiMessage(c, http.StatusForbidden, "您的 IP 不在令牌允许访问的列表中", types.ErrorCodeAccessDenied)
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return
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}
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logger.LogDebug(c, "Client IP %s passed the token IP restrictions check", clientIp)
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}
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userCache, err := model.GetUserCache(token.UserId)
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if err != nil {
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common.SysLog(fmt.Sprintf("TokenAuth GetUserCache error for user %d: %v", token.UserId, err))
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abortWithOpenAiMessage(c, http.StatusInternalServerError,
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common.TranslateMessage(c, i18n.MsgDatabaseError))
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return
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}
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userEnabled := userCache.Status == common.UserStatusEnabled
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if !userEnabled {
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abortWithOpenAiMessage(c, http.StatusForbidden, common.TranslateMessage(c, i18n.MsgAuthUserBanned))
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return
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}
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userCache.WriteContext(c)
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userGroup := userCache.Group
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tokenGroup := token.Group
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if tokenGroup != "" {
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// check common.UserUsableGroups[userGroup]
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if _, ok := service.GetUserUsableGroups(userGroup)[tokenGroup]; !ok {
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abortWithOpenAiMessage(c, http.StatusForbidden, fmt.Sprintf("无权访问 %s 分组", tokenGroup))
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return
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}
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// check group in common.GroupRatio
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if !ratio_setting.ContainsGroupRatio(tokenGroup) {
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if tokenGroup != "auto" {
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abortWithOpenAiMessage(c, http.StatusForbidden, fmt.Sprintf("分组 %s 已被弃用", tokenGroup))
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return
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}
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}
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userGroup = tokenGroup
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}
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common.SetContextKey(c, constant.ContextKeyUsingGroup, userGroup)
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err = SetupContextForToken(c, token, parts...)
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if err != nil {
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return
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}
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c.Next()
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}
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}
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func SetupContextForToken(c *gin.Context, token *model.Token, parts ...string) error {
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if token == nil {
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return fmt.Errorf("token is nil")
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}
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c.Set("id", token.UserId)
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c.Set("token_id", token.Id)
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c.Set("token_key", token.Key)
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c.Set("token_name", token.Name)
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c.Set("token_unlimited_quota", token.UnlimitedQuota)
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if !token.UnlimitedQuota {
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c.Set("token_quota", token.RemainQuota)
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}
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if token.ModelLimitsEnabled {
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c.Set("token_model_limit_enabled", true)
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c.Set("token_model_limit", token.GetModelLimitsMap())
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} else {
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c.Set("token_model_limit_enabled", false)
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}
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common.SetContextKey(c, constant.ContextKeyTokenGroup, token.Group)
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common.SetContextKey(c, constant.ContextKeyTokenCrossGroupRetry, token.CrossGroupRetry)
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if len(parts) > 1 {
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if model.IsAdmin(token.UserId) {
|
||
c.Set("specific_channel_id", parts[1])
|
||
} else {
|
||
c.Header("specific_channel_version", "701e3ae1dc3f7975556d354e0675168d004891c8")
|
||
abortWithOpenAiMessage(c, http.StatusForbidden, "普通用户不支持指定渠道")
|
||
return fmt.Errorf("普通用户不支持指定渠道")
|
||
}
|
||
}
|
||
return nil
|
||
}
|