markt 2004/04/22 13:48:16
Modified: catalina/src/share/org/apache/catalina/servlets
CGIServlet.java
Log:
Fix bug 18141. Support parameters with multiple values in CGI servlet.
- Ported from TC4.
Revision Changes Path
1.19 +74 -56
jakarta-tomcat-catalina/catalina/src/share/org/apache/catalina/servlets/CGIServlet.java
Index: CGIServlet.java
===================================================================
RCS file:
/home/cvs/jakarta-tomcat-catalina/catalina/src/share/org/apache/catalina/servlets/CGIServlet.java,v
retrieving revision 1.18
retrieving revision 1.19
diff -u -r1.18 -r1.19
--- CGIServlet.java 17 Apr 2004 23:28:23 -0000 1.18
+++ CGIServlet.java 22 Apr 2004 20:48:16 -0000 1.19
@@ -28,6 +28,7 @@
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.net.URLEncoder;
+import java.util.ArrayList;
import java.util.Date;
import java.util.Enumeration;
import java.util.Hashtable;
@@ -699,7 +700,7 @@
private File workingDirectory = null;
/** cgi command's query parameters */
- private Hashtable queryParameters = null;
+ private ArrayList queryParameters = new ArrayList();
/** whether or not this object is valid or not */
private boolean valid = false;
@@ -720,14 +721,17 @@
setupFromContext(context);
setupFromRequest(req);
- queryParameters = new Hashtable();
Enumeration paramNames = req.getParameterNames();
while (paramNames != null && paramNames.hasMoreElements()) {
String param = paramNames.nextElement().toString();
if (param != null) {
- queryParameters.put(
- param, URLEncoder.encode(req.getParameter(param),
- parameterEncoding));
+ String values[] = req.getParameterValues(param);
+ for (int i=0; i < values.length; i++) {
+ String value = URLEncoder.encode(values[i],
+ parameterEncoding);
+ NameValuePair nvp = new NameValuePair(param, value);
+ queryParameters.add(nvp);
+ }
}
}
@@ -1221,13 +1225,12 @@
sb.append("</td></tr>");
sb.append("<tr><td colspan=2>Query Params</td></tr>");
- Enumeration paramk = queryParameters.keys();
- while (paramk.hasMoreElements()) {
- String s = paramk.nextElement().toString();
+ for (int i=0; i < queryParameters.size(); i++) {
+ NameValuePair nvp = (NameValuePair) queryParameters.get(i);
sb.append("<tr><td>");
- sb.append(s);
+ sb.append(nvp.getName());
sb.append("</td><td>");
- sb.append(queryParameters.get(s).toString());
+ sb.append(nvp.getValue());
sb.append("</td></tr>");
}
@@ -1280,7 +1283,7 @@
* @return CGI query parameters
*
*/
- protected Hashtable getParameters() {
+ protected ArrayList getParameters() {
return queryParameters;
}
@@ -1389,7 +1392,7 @@
private File wd = null;
/** query parameters to be passed to the invoked script */
- private Hashtable params = null;
+ private ArrayList params = null;
/** stdin to be passed to cgi script */
private InputStream stdin = null;
@@ -1414,14 +1417,11 @@
* @param command string full path to command to be executed
* @param env Hashtable with the desired script environment
* @param wd File with the script's desired working directory
- * @param params Hashtable with the script's query parameters
- *
- * @param res HttpServletResponse object for setting headers
- * based on CGI script output
- *
+ * @param params ArrayList with the script's query parameters as
+ * NameValuePairs
*/
protected CGIRunner(String command, Hashtable env, File wd,
- Hashtable params) {
+ ArrayList params) {
this.command = command;
this.env = env;
this.wd = wd;
@@ -1600,7 +1600,6 @@
int bufRead = -1;
//create query arguments
- Enumeration paramNames = params.keys();
StringBuffer cmdAndArgs = new StringBuffer();
if (command.indexOf(" ") < 0) {
cmdAndArgs.append(command);
@@ -1610,26 +1609,23 @@
cmdAndArgs.append(command);
cmdAndArgs.append("\"");
}
-
- if (paramNames != null && paramNames.hasMoreElements()) {
+
+ for (int i=0; i < params.size(); i++) {
cmdAndArgs.append(" ");
- while (paramNames.hasMoreElements()) {
- String k = (String) paramNames.nextElement();
- String v = params.get(k).toString();
- if ((k.indexOf("=") < 0) && (v.indexOf("=") < 0)) {
- StringBuffer arg = new StringBuffer(k);
- arg.append("=");
- v = java.net.URLEncoder.encode(v, parameterEncoding);
- arg.append(v);
- if (arg.toString().indexOf(" ") < 0) {
- cmdAndArgs.append(arg);
- } else {
- // Spaces used as delimiter, so need to use quotes
- cmdAndArgs.append("\"");
- cmdAndArgs.append(arg);
- cmdAndArgs.append("\"");
- }
- cmdAndArgs.append(" ");
+ NameValuePair nvp = (NameValuePair) params.get(i);
+ String k = nvp.getName();
+ String v = nvp.getValue();
+ if ((k.indexOf("=") < 0) && (v.indexOf("=") < 0)) {
+ StringBuffer arg = new StringBuffer(k);
+ arg.append("=");
+ arg.append(v);
+ if (arg.toString().indexOf(" ") < 0) {
+ cmdAndArgs.append(arg);
+ } else {
+ // Spaces used as delimiter, so need to use quotes
+ cmdAndArgs.append("\"");
+ cmdAndArgs.append(arg);
+ cmdAndArgs.append("\"");
}
}
}
@@ -1789,25 +1785,23 @@
/**
* Gets a string for input to a POST cgi script
*
- * @param params Hashtable of query parameters to be passed to
+ * @param params ArrayList of query parameters to be passed to
* the CGI script
* @return for use as input to the CGI script
*/
- protected String getPostInput(Hashtable params) {
+ protected String getPostInput(ArrayList params) {
String lineSeparator = System.getProperty("line.separator");
- Enumeration paramNames = params.keys();
StringBuffer qs = new StringBuffer("");
- if (paramNames != null && paramNames.hasMoreElements()) {
- while (paramNames.hasMoreElements()) {
- String k = (String) paramNames.nextElement();
- String v = params.get(k).toString();
- if ((k.indexOf("=") < 0) && (v.indexOf("=") < 0)) {
- qs.append(k);
- qs.append("=");
- qs.append(v);
- qs.append("&");
- }
+ for (int i=0; i < params.size(); i++) {
+ NameValuePair nvp = (NameValuePair) this.params.get(i);
+ String k = nvp.getName();
+ String v = nvp.getValue();
+ if ((k.indexOf("=") < 0) && (v.indexOf("=") < 0)) {
+ qs.append(k);
+ qs.append("=");
+ qs.append(v);
+ qs.append("&");
}
}
if (qs.length() > 0) {
@@ -1819,5 +1813,29 @@
}
}
} //class CGIRunner
+
+ /**
+ * This is a simple class for storing name-value pairs.
+ *
+ * TODO: It might be worth moving this to the utils package there is a
+ * wider requirement for this functionality.
+ */
+ protected class NameValuePair {
+ private String name;
+ private String value;
+
+ NameValuePair(String name, String value) {
+ this.name = name;
+ this.value = value;
+ }
+
+ protected String getName() {
+ return name;
+ }
+
+ protected String getValue() {
+ return value;
+ }
+ }
} //class CGIServlet
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