Securely managing FTP credentials while maintaining scalability is crucial for enterprise integrations. This guide outlines best practices for implementing dynamic FTP credentials in MuleSoft, enabling secure and automated file transfers across multiple FTP servers.
<dependency>
<groupId>org.mule.connectors</groupId>
<artifactId>mule-ftp-connector</artifactId>
<version>1.5.0</version>
<classifier>mule-plugin</classifier>
</dependency>
<dependency>
<groupId>com.mulesoft.modules</groupId>
<artifactId>mule-secure-configuration-property-module</artifactId>
<version>1.2.3</version>
<classifier>mule-plugin</classifier>
</dependency>
ftp:
server1:
host: “![encrypted-host1]”
username: “![encrypted-username1]”
password: “![encrypted-password1]”
workingDir: “![encrypted-dir1]”
server2:
host: “![encrypted-host2]”
username: “![encrypted-username2]”
password: “![encrypted-password2]”
workingDir: “![encrypted-dir2]”
<ftp:config name=”dynamic-ftp”>
<ftp:connection
host=”#[vars.ftpConfig.host]”
port=”#[vars.ftpConfig.port default ’21’]”
username=”#[vars.ftpConfig.username]”
password=”#[vars.ftpConfig.password]”
workingDir=”#[vars.ftpConfig.workingDir default ‘/’]”
connectionTimeout=”5000″
responseTimeout=”10000″
passive=”true”>
<reconnection>
<reconnect frequency=”3000″ count=”5″/>
</reconnection>
</ftp:connection>
</ftp:config>
<secure-properties:config key=”${encryption.key}” file=”secure-config.yaml”>
<secure-properties:encrypt algorithm=”AES” mode=”CBC”/>
</secure-properties:config>
<ftp:connection-pooling-profile
maxPoolSize=”8″
minPoolSize=”2″
exhaustedAction=”WHEN_EXHAUSTED_WAIT”
maxWaitMillis=”60000″
evictionCheckIntervalMillis=”30000″/>
<error-handler name=”global-error-handler”>
<on-error-propagate type=”FTP:CONNECTIVITY, FTP:RETRY_EXHAUSTED”>
<logger message=”FTP Connection Error: #[error.description]” level=”ERROR”/>
<raise-error type=”CUSTOM:FTP_CONNECTION_ERROR”
description=”Unable to establish FTP connection: #[error.description]”/>
</on-error-propagate>
<on-error-continue type=”FTP:ILLEGAL_PATH, FTP:FILE_NOT_FOUND”>
<logger message=”FTP Operation Error: #[error.description]” level=”WARN”/>
</on-error-continue>
</error-handler>
<batch:job jobName=”ftpBatchJob” maxFailedRecords=”-1″>
<batch:process-records>
<batch:step name=”processFiles”>
<try>
<ftp:read config-ref=”dynamic-ftp”
path=”#[payload.filePath]”
streaming=”true”/>
<logger message=”File processed: #[payload.fileName]” level=”INFO”/>
</try>
</batch:step>
</batch:process-records>
</batch:job>
<custom-logger:log category=”FTP_OPERATIONS”
message=’#[output application/json — {
“timestamp”: now(),
“operation”: payload.operation,
“server”: vars.ftpConfig.host,
“status”: payload.status,
“correlationId”: correlationId,
“fileName”: payload.fileName,
“fileSize”: payload.size
}]’ level=”INFO”/>
@Test
public void testFTPConnection() {
FTPClient client = new FTPClient();
client.setConnectTimeout(5000);
client.connect(ftpConfig.getHost(), ftpConfig.getPort());
assertTrue(client.login(ftpConfig.getUsername(), ftpConfig.getPassword()));
assertTrue(client.changeWorkingDirectory(ftpConfig.getWorkingDir()));
client.disconnect();
}
By following these implementation guidelines, organizations can establish a robust and secure FTP integration framework in MuleSoft. Regular security assessments, performance monitoring, and documentation updates are essential for maintaining system reliability and compliance.
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