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Fix issue with truncating recorded ip addresses #83

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merged 1 commit into from
Feb 5, 2016
Merged

Fix issue with truncating recorded ip addresses #83

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6 changes: 4 additions & 2 deletions managed_vms/cloudsql/src/main/java/com/example/managedvms/cloudsql/CloudSqlServlet.java
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Original file line number Diff line number Diff line change
Expand Up @@ -47,9 +47,11 @@ public void doGet(HttpServletRequest req, HttpServletResponse resp) throws IOExc
String userIp = req.getRemoteAddr();
InetAddress address = InetAddress.getByName(userIp);
if (address instanceof Inet6Address) {
userIp = userIp.substring(0, userIp.indexOf(":", 2)) + ":*:*:*:*:*:*";
// nest indexOf calls to find the second occurrence of a character in a string
// an alternative is to use Apache Commons Lang: StringUtils.ordinalIndexOf()
userIp = userIp.substring(0, userIp.indexOf(":", userIp.indexOf(":") + 1)) + ":*:*:*:*:*:*";
} else if (address instanceof Inet4Address) {
userIp = userIp.substring(0, userIp.indexOf(".", 2)) + ".*.*";
userIp = userIp.substring(0, userIp.indexOf(".", userIp.indexOf(".") + 1)) + ".*.*";
}

final String createTableSql = "CREATE TABLE IF NOT EXISTS visits ( visit_id INT NOT NULL "
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