CODEWITHSUNDEEP
securitygoogle-app-enginejdojdoql
flybywire
flybywire

Reputation: 273662

JDO for Google App Engine: escaping quotes

How do I escape parameters of queries in JDO (Google App Engine)?

For example, how do I make the next snippet safe, if the variable name may contain unsafe chars as single quotes (')

PersistenceManager pm = ...;
String query = "select from Person where name='"+name+"'";
List<Shortened> shortened = (List<Shortened>) pm.newQuery(query).execute();

Upvotes: 5

Views: 786

Answers (1)

Todd Owen
Todd Owen

Reputation: 16218

Use query parameters instead, it's a much safer than including the values in the query itself. Here is an example from the GAE documentation:

Query query = pm.newQuery("select from Employee " +
                          "where lastName == lastNameParam " +
                          "order by hireDate desc " +
                          "parameters String lastNameParam");

List<Employee> results = (List<Employee>) query.execute("Smith");

Upvotes: 11

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