private String checkUserApp() { if (ctx.app == null) { return(appOk); } IAccessStatus securityApp = ctx.app.obj as IAccessStatus; if (securityApp == null) { return(appOk); } if (ctx.owner.Id == ctx.viewer.Id) { return(appOk); } // 基于好友关系验证app权限 if (securityApp.AccessStatus == (int)AccessStatus.Public) { return(appOk); } if (securityApp.AccessStatus == (int)AccessStatus.Friend) { FriendService friendService = new FriendService(); if (friendService.IsFriend(ctx.viewer.Id, ctx.owner.Id) == false) { return(lang("exFriendVisitOnly")); } } else if (securityApp.AccessStatus == (int)AccessStatus.Private) { if (ctx.viewer.Id != ctx.owner.obj.Id) { return(lang("exVisitForbidden")); } } return(appOk); }