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If the Apache configuration/apache Tomcat configuration file is not handled well, it will bring considerable hidden trouble to the site, directory Traversal vulnerability, will expose all the site's directories to the visitors, experienced developers or hacker from these directories to know the current site information, such as development language, Server system
Struts 2 file upload, struts File Upload
To obtain the original name of the uploaded File, you need to define a String type attribute. The attribute name must be *** FileName, and *** is the name of the File attribute. Similarly, to obtain the MIME type of the file, you must define a *** ContentType String attribute.Upload a single file
Public class Upload
Implement file upload in struts 2 (2)Source: chinaitlab [] Author: Admin Editor: Admin
Next we will look at the successful upload page: '/>Showupload. jsp obtains the imagefilename and combines its uploadimages into a URLFigureImage.Then there is the action configuration file:"-// Apache Software Foundation // DTD
Added by Musachy Barroso, last edited from Ted Husted on, and 2007 (view change)
On this tutorial we'll demonstrate how to setup Struts 2 in Eclipse, and make it work with Spring, Java persistence API (using Hibernate) and Struts 2 Ajax tags.
Note:following This tutorial verbatim'll require use of a
Struts 2 configuration file
Struts 1 uses ActionServlet as the distributor, while Struts 2 uses Filter as the distributor. If multiple filters exist, put the Struts 2 distributor Filt
directory (using the IDE), otherwise it needs to be created in the Web-inf/classes directory."-//apache software foundation//dtd Struts Configuration 2.0//en""Http://struts.apache.org/dtds/struts-2.0.dtd" >The package element, which acts like a mechanism for Java packages, is a tool for categorizing, extends attributes, like his name, inherits all the informatio
Struts1.2 + spring2.0 + hibernate3.1 highlights of problems and solutions in project framework construction (2)
There are two bugs in the process of building a project using MySQL as a database:
Severe: servlet. Service () for servlet JSP threw exceptionJavax. servlet. jsp. jspexception: No getter Method for property userid of bean org.apache.struts.taglib.html. BeanAt org. Apache.
Attack and Defense laboratory Bo Shuofang
Background informationApache and Tomcat are Web server, general Apache is static resolution, Tomcat is the Java application Server, dynamic parsing jsp, PHP, etc., is a container (servlet), can run independently of Apache. For example: Apache is a car, which can be loaded with things, such as HTML, but not the water, to f
Struts 2 control labels
1) if/elseif/else
2) iterator
Iterator mainly iterates on the set. The set here can be a list, set, or array, or a map set.
The
Value ---- specifies the set to be iterated, usually determined by an ognl expression. If no value is specified, the set at the top of the valuestack stack is used.
Id ----- ID of the element in the Set
Status -
Summary
Apache official struts2 product, recently issued a remote code execution vulnerability, number "S2-013", is currently 0 day, the official no repair solution appeared.Http://struts.apache.org/development/2.x/docs/security-bulletins.html-(Announcement)The official Security Bulletin provides numbers and A brief introduction, "A
Some friends emailed me a while ago about how struts 2 uploads files, so today we will discuss this issue.Implementation Principle
Struts 2 is uploaded through the commons fileupload file. Commons fileupload saves HTTP data to a temporary folder, and Struts uses the fileuplo
actually use multiple spring profiles to make the following settings in Web. XML, so that spring's ApplicationContext initializes the object by matching the files in the given pattern:
(5) Modify the Struts configuration file. The Struts 2 framework consolidates the spring framework and needs to be changed in the struts
invoke the interceptor in the list. The interceptor sequence diagram is shown in the figure 5.5
Figure 5.5 Struts 2 Interceptor Sequence Diagram
in Span lang= "en-US" >struts 2 architecture, action The call to the action struts
(model) that stores welcome information)
Create a page for displaying information (view)
Create an Action class to control the relationship between users, models, and views (controller)
Create a mapping (struts. xml) to combine Action classes and views.
This article assumes that you have completed how to create a Struts 2 Web application experience and have a
Struts 2-set up Hello world under struts21. Hello World under Struts 2
1. Create a new Web Project named HelloWorld
2. Window-> Preferences-> tomcat select the downloaded tomcat
3. Window-> Preferences-> Java-> Installed JREs select the local jre
4. Decompress
s2-057 vulnerability, was exposed on August 22, 2018, the Struts2 057 flaw in the remote execution system commands, especially the use of Linux system, Apache environment, the impact of a large scope, high harm, if the XXX by the use of direct access to the server administrator rights, Web site data is tampered with and database theft occurs.At present we sine security to the s2-057
complete example. First we create a good Web project and create a good entity classNext we define the method in the entity class Package cn.lxp.action; Import Com.opensymphony.xwork2.ActionSupport; Public class extends Actionsupport {The methods in the two entity classes are the same PublicString Add ()throwsException { return"Add"; } PublicString Update ()throwsException { return"Update"; } PublicString list ()throwsException { return"List"; } Public
The MyEclipse integrated development environment is used here.(1) Installation MyEclipse 8.5(2) Installation configuration Tomcat6.0
Download apache-tomcat-6.0.18
Start MyEclipse 8.5, click the window->preferences command, and select the myeclipse->servers->tomcat->tomcat6.x option, as shown in:
Click the browse button behind the Tomcat home directory to find the Tomcat fol
class to control the relationship between users, models, and views (Controller)
Create a mapping (struts. XML) to combine action classes and views.
This article assumes that you have completed how to create a struts 2 web application experience and have a basic struts workspace. the source code for this helloworld
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