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SQOOP-2026: Sqoop2: Make getUserName function in RequestContext support Kerberos

Browse Source 
(Richard Zhou via Abraham Elmahrek)
This commit is contained in:
Abraham Elmahrek 2015-01-20 18:51:31 -08:00
parent a6ef76e05c
commit 1f89de2172
2 changed files with 18 additions and 3 deletions
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11
client/src/main/java/org/apache/sqoop/client/request/ResourceRequest.java
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@ -22,6 +22,7 @@
import org.apache.hadoop.security.SecurityUtil;
import org.apache.hadoop.security.authentication.client.AuthenticationException;
import org.apache.hadoop.security.authentication.client.ConnectionConfigurator;
import org.apache.hadoop.security.authentication.client.PseudoAuthenticator;
import org.apache.hadoop.security.token.Token;
import org.apache.hadoop.security.token.delegation.web.DelegationTokenAuthenticatedURL;
import org.apache.log4j.Logger;
@ -65,6 +66,8 @@ protected String doHttpRequest(String strURL, String method, String data) {
DataOutputStream wr = null;
BufferedReader reader = null;
try {
// This user name is only in simple mode. In Kerberos mode, this user name will be ignored by Sqoop server and user name in UGI which is authenticated by Kerberos server will be used instead.
strURL = addUsername(strURL);
URL url = new URL(strURL);
HttpURLConnection conn = new DelegationTokenAuthenticatedURL().openConnection(url, authToken);
@ -220,4 +223,10 @@ private Text getDelegationTokenService(String strURL) throws IOException {
public DelegationTokenAuthenticatedURL.Token getAuthToken() {
return authToken;
}
}
private String addUsername(String strUrl) {
String paramSeparator = (strUrl.contains("?")) ? "&" : "?";
strUrl += paramSeparator + PseudoAuthenticator.USER_NAME + "=" + System.getProperty("user.name");
return strUrl;
}
}

10
server/src/main/java/org/apache/sqoop/server/RequestContext.java
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@ -18,7 +18,9 @@
package org.apache.sqoop.server;
import org.apache.hadoop.security.authentication.client.PseudoAuthenticator;
import org.apache.hadoop.security.token.delegation.web.HttpUserGroupInformation;
import org.apache.sqoop.common.SqoopException;
import org.apache.sqoop.security.AuthenticationManager;
import org.apache.sqoop.server.common.ServerError;
import javax.servlet.http.HttpServletRequest;
@ -67,7 +69,7 @@ public Method getMethod() {
return Method.valueOf(request.getMethod());
} catch(IllegalArgumentException ex) {
throw new SqoopException(ServerError.SERVER_0002,
"Unsupported HTTP method:" + request.getMethod(), ex);
"Unsupported HTTP method:" + request.getMethod(), ex);
}
}
@ -119,6 +121,10 @@ public Locale getAcceptLanguageHeader() {
* @return Name of user sending the request
*/
public String getUserName() {
return request.getParameter(PseudoAuthenticator.USER_NAME);
if (AuthenticationManager.getAuthenticationHandler().isSecurityEnabled()) {
return HttpUserGroupInformation.get().getUserName();
} else {
return request.getParameter(PseudoAuthenticator.USER_NAME);
}
}
}