This article illustrates the YII framework's approach to preventing SQL injection, XSS attacks, and csrf attacks. Share to everyone for your reference, specific as follows:
The methods commonly used in PHP are:
/* Anti-SQL injection, XSS attack (1)/function Actionclean ($str) {$str =trim ($STR);
$str =strip_t
Problem Description:
If the data entered by the user is inserted into an SQL query without processing, the application is likely to suffer a SQL injection attack, as in the following example:
The code is as follows
$unsafe _variable = $_post[' user_input '];mysql_query (' INSERT into ' table ' (' column ') VALUES ('). $unsafe _varia
Problem Description:If the data entered by the user is inserted into an SQL query without processing, the application is likely to suffer a SQL injection attack, as in the following example:
Copy Code code as follows:
$unsafe _variable = $_post[' user_input '];
mysql_query (' INSERT into ' table ' (' column ') VALUES ('). $unsafe _variable. "')
parameters + user input type---> MyBatis detection---> Return output This is followed by the configuration file and annotations in two ways to explain
Configuration file:
"deletePoiById"parameterType="java.lang.Integer"> DELETE FROM app_poi where poi_id = #{poiId}
Based on annotations
@delete("delete from app_poi where poi_id = #{poiId}") publicvoiddeletePoiById(@Param("poiId") Integer poiId);
MyBatis the
This article provides a detailed analysis on how to prevent SQL injection in php. if you want to insert a query directly into an SQL statement, applications are vulnerable to SQL injection, for example, the following example:
Th
New users ask how to prevent SQL injection to create a table model $ news_tablenew nbsp; news (); create an adapter $ db $ news_table- gt; getAdapter (); prepare the SQL statement $ SQL $ db- gt; quoteInto (select nbsp; title, pubDate nbsp; from nbsp; new beginner's advi
New users ask about fuzzy query to prevent SQL injection. // create a table model $ news_table = new nbsp; news (); // Create an adapter $ db = $ news_table- gt; getAdapter (); // prepare the SQL statement $ SQL = $ db- gt; quoteInto ("beginner's advice on how to
First, we will introduce what SQL injection is. The following is the definition I found on the Internet:
SQL injection is accessed from the normal WWW port, and it seems to be no different from the general web page access, so the current Municipal firewall does not alert SQL
Using C # in the. NET environment to prevent SQL injection attacks, our solution is:
1, first in the UI input, to control the type and length of data, to prevent SQL injection attacks, the system provides detection of
Recently in a topic polling site, customers know something about the program. There are special requirements to filter some characters to prevent SQL injection. There was no particular study on this front. Oh, and carry forward a back take doctrine. Take the SQL anti-injection
This article introduces the best solution to prevent SQL injection in php. For more information about how to prevent SQL injection in php, see this article. For more information, see
If you input a query directly inserted into an
A few days ago the site has been injected, and now I give you to introduce PHP to prevent SQL injection of several of the processing functions, such as PHP addslashes (), mysql_real_escape_string (), the MySQL operation function (), Mysql_escape _string () and other functions
Specific usage: addslashes prevent
Recently in doing a subject polling website, customers understand some of the procedural aspects of things. There are special requirements to filter some characters to prevent SQL injection. There was no special study in this respect. Oh, and carry forward a back to copycat. Take the SQL anti-
Explore the best way to prevent SQL injection in php. If the user inputs a query directly inserted into an SQL statement, the application will be vulnerable to SQL injection. for example, the following example: Copy the code as fo
database.Very simple, see the condition behind username= ' or 1=1 username equals ' or 1=1 then this condition will be successful and then add two--which meansWhat the? Yes, the comment, which comments the following statements so that they do not work, so that the data in the database can be successfully read out.This is still relatively gentle, if it is performedSELECT * from users where username= ';D rop Database (DB Name)--' and password= '....... Others you can imagine ...So how do we deal
statement is used in the placeholder, given to the array when the index array?> Another way to name a placeholder 1 Public"-//w3c//dtd XHTML 1.0 transitional//en" "Http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd" >234567
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TenPHP One
A //created Objects
- $dsn= "Mysql:dbname=mydb;host=localhost";
- $pdo=NewPDO ($dsn, "Root", ""); the
- //Write SQL statements, pre-processing statements, using name placeholders
- $
Using php5.3 or above we can use PDO and mysqli to process data directly
1. Use PDO (PHP Data Objects)
The code is as follows
Copy Code
$stmt = $pdo->prepare (' SELECT * FROM employees WHERE name =: Name ');$stmt->execute (Array (': Name ' => $name));foreach ($stmt as $row) {Do something with $row}
2. Use of mysqli
The code is as follows
Copy Code
$stmt = $dbConnection->prepare (' SELECT * FROM employees WHERE name =? ');$stm
Specific usage
addslashes prevents SQL injection
Although many domestic PHP programmers are still relying on addslashes to prevent SQL injection, it is recommended that you strengthen the Chinese to prevent
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