功能：扩展云管资源运维、账号授权及监控管理
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songyiming committed
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package server
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import (
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"context"
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"database/sql"
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"errors"
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"regexp"
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"strings"
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"unicode/utf8"
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"github.com/gin-gonic/gin"
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"github.com/jmoiron/sqlx"
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"golang.org/x/crypto/bcrypt"
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"vdi-cloud/platform/internal/model"
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"vdi-cloud/platform/internal/store"
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)
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func (s *Server) administratorList(c *gin.Context) {
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items := []model.Administrator{}
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if err := s.DB.SelectContext(c.Request.Context(), &items, "SELECT * FROM administrators ORDER BY username"); err != nil {
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s.dbError(c, err)
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return
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}
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list(c, items)
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}
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func validNewPassword(password string) bool {
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return utf8.RuneCountInString(password) >= 12 && len(password) <= 72 && strings.TrimSpace(password) != ""
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}
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// All account writes share a transaction lock, then recheck the actor's current role.
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// This also prevents concurrent administrators from disabling each other and leaving no owner.
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func (s *Server) accountTransaction(c *gin.Context, superOnly bool) (*sqlx.Tx, model.Administrator) {
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var actor model.Administrator
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ctx := c.Request.Context()
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tx, err := s.DB.BeginTxx(ctx, nil)
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if err != nil {
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s.dbError(c, err)
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return nil, actor
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}
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if _, err = tx.ExecContext(ctx, "SELECT pg_advisory_xact_lock(7651092028)"); err == nil {
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err = tx.GetContext(ctx, &actor, "SELECT a.* FROM administrators a JOIN admin_sessions x ON x.admin_id=a.id WHERE a.id=$1 AND x.id=$2 AND x.expires_at>now() FOR UPDATE OF a", s.admin(c).ID, c.GetString("sessionId"))
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}
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if err != nil {
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tx.Rollback()
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if errors.Is(err, sql.ErrNoRows) {
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s.fail(c, 401, "unauthorized", "登录已失效，请重新登录")
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} else {
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s.dbError(c, err)
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}
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return nil, actor
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}
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if !actor.Enabled || superOnly && actor.Role != "super_admin" {
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tx.Rollback()
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s.fail(c, 403, "forbidden", "当前账号没有该操作权限")
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return nil, actor
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}
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return tx, actor
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}
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func accountAudit(ctx context.Context, tx *sqlx.Tx, actor, action, target, requestID string) error {
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_, err := tx.ExecContext(ctx, "INSERT INTO audit_logs(id,actor,action,target,result,request_id) VALUES($1,$2,$3,$4,'success',$5)", store.ID("audit_"), actor, action, target, requestID)
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return err
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}
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func (s *Server) createAdministrator(c *gin.Context) {
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var in struct {
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Username string `json:"username" binding:"required,max=80"`
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DisplayName string `json:"displayName" binding:"required,max=80"`
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Role string `json:"role" binding:"required,oneof=super_admin operator viewer"`
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Password string `json:"password" binding:"required,max=72"`
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}
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if !s.decode(c, &in) {
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return
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}
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in.Username = strings.TrimSpace(in.Username)
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in.DisplayName = strings.TrimSpace(in.DisplayName)
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if !regexp.MustCompile(`^[a-zA-Z0-9][a-zA-Z0-9._-]{2,79}$`).MatchString(in.Username) || in.DisplayName == "" {
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s.fail(c, 400, "invalid_account", "账号使用 3～80 位字母、数字、点、下划线或短横线，显示名称不能为空")
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return
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}
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if !validNewPassword(in.Password) {
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s.fail(c, 400, "invalid_password", "新密码至少 12 个字符，UTF-8 编码不超过 72 字节")
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return
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}
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hash, err := bcrypt.GenerateFromPassword([]byte(in.Password), bcrypt.DefaultCost)
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if err != nil {
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s.dbError(c, err)
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return
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}
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tx, actor := s.accountTransaction(c, true)
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if tx == nil {
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return
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}
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defer tx.Rollback()
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var item model.Administrator
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err = tx.GetContext(c.Request.Context(), &item, "INSERT INTO administrators(id,username,display_name,role,password_hash) VALUES($1,$2,$3,$4,$5) RETURNING *", store.ID("adm_"), in.Username, in.DisplayName, in.Role, string(hash))
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if conflict(err) {
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s.fail(c, 409, "account_conflict", "管理员账号已存在")
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return
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}
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if err != nil {
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s.dbError(c, err)
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return
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}
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if err = accountAudit(c.Request.Context(), tx, actor.Username, "create_administrator", item.Username, c.GetString("requestId")); err == nil {
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err = tx.Commit()
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}
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if err != nil {
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s.dbError(c, err)
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return
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}
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c.JSON(201, item)
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}
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func (s *Server) updateAdministrator(c *gin.Context) {
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var in struct {
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DisplayName string `json:"displayName" binding:"required,max=80"`
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Role string `json:"role" binding:"required,oneof=super_admin operator viewer"`
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Enabled *bool `json:"enabled" binding:"required"`
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}
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if !s.decode(c, &in) {
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return
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}
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in.DisplayName = strings.TrimSpace(in.DisplayName)
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if in.DisplayName == "" {
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s.fail(c, 400, "invalid_account", "显示名称不能为空")
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return
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}
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tx, actor := s.accountTransaction(c, true)
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if tx == nil {
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return
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}
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defer tx.Rollback()
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ctx := c.Request.Context()
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var item model.Administrator
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if err := tx.GetContext(ctx, &item, "SELECT * FROM administrators WHERE id=$1 FOR UPDATE", c.Param("id")); err != nil {
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s.dbError(c, err)
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return
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}
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if item.Enabled && item.Role == "super_admin" && (!*in.Enabled || in.Role != "super_admin") {
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var count int
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if err := tx.GetContext(ctx, &count, "SELECT count(*) FROM administrators WHERE enabled AND role='super_admin'"); err != nil {
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s.dbError(c, err)
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return
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}
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if count <= 1 {
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s.fail(c, 409, "last_super_admin", "至少保留一个启用的超级管理员")
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return
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}
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}
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if item.ID == actor.ID && (!*in.Enabled || in.Role != actor.Role) {
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s.fail(c, 409, "self_account_protected", "不能停用自己或修改自己的角色，请使用其他超级管理员账号操作")
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return
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}
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invalidate := item.Role != in.Role || item.Enabled != *in.Enabled
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err := tx.GetContext(ctx, &item, "UPDATE administrators SET display_name=$1,role=$2,enabled=$3 WHERE id=$4 RETURNING *", in.DisplayName, in.Role, *in.Enabled, item.ID)
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if err == nil && invalidate {
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_, err = tx.ExecContext(ctx, "DELETE FROM admin_sessions WHERE admin_id=$1", item.ID)
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}
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if err == nil {
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err = accountAudit(ctx, tx, actor.Username, "update_administrator", item.Username, c.GetString("requestId"))
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}
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if err == nil {
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err = tx.Commit()
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}
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if err != nil {
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s.dbError(c, err)
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return
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}
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c.JSON(200, item)
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}
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func (s *Server) resetAdministratorPassword(c *gin.Context) {
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var in struct {
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Password string `json:"password" binding:"required,max=72"`
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}
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if !s.decode(c, &in) {
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return
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}
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if !validNewPassword(in.Password) {
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s.fail(c, 400, "invalid_password", "新密码至少 12 个字符，UTF-8 编码不超过 72 字节")
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return
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}
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tx, actor := s.accountTransaction(c, true)
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if tx == nil {
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return
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}
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defer tx.Rollback()
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if c.Param("id") == actor.ID {
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s.fail(c, 409, "use_own_password", "修改本人密码请使用修改密码入口并验证原密码")
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return
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}
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var item model.Administrator
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ctx := c.Request.Context()
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if err := tx.GetContext(ctx, &item, "SELECT * FROM administrators WHERE id=$1 FOR UPDATE", c.Param("id")); err != nil {
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s.dbError(c, err)
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return
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}
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if err := replacePassword(ctx, tx, item.ID, in.Password); err != nil {
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s.dbError(c, err)
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return
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}
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err := accountAudit(ctx, tx, actor.Username, "reset_administrator_password", item.Username, c.GetString("requestId"))
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if err == nil {
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err = tx.Commit()
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}
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if err != nil {
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s.dbError(c, err)
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return
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}
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c.Status(204)
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}
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func replacePassword(ctx context.Context, tx *sqlx.Tx, id, password string) error {
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hash, err := bcrypt.GenerateFromPassword([]byte(password), bcrypt.DefaultCost)
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if err == nil {
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_, err = tx.ExecContext(ctx, "UPDATE administrators SET password_hash=$1 WHERE id=$2", string(hash), id)
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}
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if err == nil {
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_, err = tx.ExecContext(ctx, "DELETE FROM admin_sessions WHERE admin_id=$1", id)
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}
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return err
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}
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func (s *Server) changeOwnPassword(c *gin.Context) {
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var in struct {
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CurrentPassword string `json:"currentPassword" binding:"required,max=200"`
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NewPassword string `json:"newPassword" binding:"required,max=72"`
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}
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if !s.decode(c, &in) {
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return
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}
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if !validNewPassword(in.NewPassword) {
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s.fail(c, 400, "invalid_password", "新密码至少 12 个字符，UTF-8 编码不超过 72 字节")
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return
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}
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tx, actor := s.accountTransaction(c, false)
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if tx == nil {
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return
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}
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defer tx.Rollback()
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if bcrypt.CompareHashAndPassword([]byte(actor.PasswordHash), []byte(in.CurrentPassword)) != nil {
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s.fail(c, 400, "current_password_invalid", "原密码不正确")
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return
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}
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ctx := c.Request.Context()
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if err := replacePassword(ctx, tx, actor.ID, in.NewPassword); err != nil {
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s.dbError(c, err)
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return
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}
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err := accountAudit(ctx, tx, actor.Username, "change_own_password", actor.Username, c.GetString("requestId"))
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if err == nil {
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err = tx.Commit()
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}
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if err != nil {
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s.dbError(c, err)
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return
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}
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c.Status(204)
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}
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