Page History

package com.vertuna.plugins.confluence.migration;

import org.apache.commons.codec.binary.Base64;
import org.apache.commons.httpclient.HttpClient;
import org.apache.commons.httpclient.HttpMethod;
import org.apache.commons.httpclient.URI;
import org.apache.commons.httpclient.UsernamePasswordCredentials;
import org.apache.commons.httpclient.auth.AuthScope;
import org.apache.commons.httpclient.methods.GetMethod;
import org.apache.commons.httpclient.methods.PostMethod;
import org.apache.commons.httpclient.methods.multipart.FilePart;
import org.apache.commons.httpclient.methods.multipart.MultipartRequestEntity;
import org.apache.commons.httpclient.methods.multipart.Part;
import org.apache.commons.httpclient.methods.multipart.StringPart;
import org.apache.commons.io.FileUtils;

import java.io.File;
import java.io.IOException;
import java.util.logging.Level;

public class MigrateFormData {
// source server details and source form name and location
static String sourceServer = "https://wiki.vertuna.com/";
static String sourceFormName = "form1";
static long sourcePageId = 64063006;
static String sourceServerUsername = "";
static String sourceServerPassword = "";

// target server details and target form name and location
static String targetServer = "http://localhost:1990/confluence/";
static String targetFormName = "form1";
static long targetPageId = 786437;
static String targetServerUsername = "";
static String targetServerPassword = "";

public static void main(String[] args) throws IOException {
// no logging from http client
java.util.logging.Logger.getLogger("org.apache.commons").setLevel(Level.OFF);

File confiformsExportFile = File.createTempFile("confiforms", "");
confiformsExportFile.deleteOnExit();

try {
String sourceUrl = sourceServer + "/ajax/confiforms/rest/raw.action?pageId=" + sourcePageId + "&fd=" + sourceFormName + ":" + sourcePageId;
System.out.println("Requesting source: " + sourceUrl);
byte[] rawExportContents = makeRequest(sourceUrl, sourceServerUsername, sourceServerPassword, url -> new GetMethod(url));
FileUtils.writeByteArrayToFile(confiformsExportFile, rawExportContents);

String targetUrl = targetServer + "/ajax/confiforms/rest/raw.action";
System.out.println("Uploading to: " + targetUrl);

makeRequest(targetUrl, targetServerUsername, targetServerPassword, url -> {
Part[] parts = new Part[4];
parts[0] = (new StringPart("pageId", String.valueOf(targetPageId)));
parts[1] = (new StringPart("subAction", "replace"));
parts[2] = (new StringPart("fd", targetFormName + ":" + targetPageId));
parts[3] = (new FilePart("rawFile", confiformsExportFile));

PostMethod m = new PostMethod(url);
m.setRequestEntity(new MultipartRequestEntity(parts, m.getParams()));
return m;
});
} finally {
confiformsExportFile.delete();
}
System.out.println("Done");
}

interface PrepareMethodCallback {
HttpMethod prepare(String url) throws IOException;
}

public static byte[] makeRequest(String url, String username, String password, PrepareMethodCallback prepareMethodCallback) throws IOException {
HttpClient client = new HttpClient();
client.getState().setAuthenticationPreemptive(true);
client.getState().setCredentials(AuthScope.ANY, new UsernamePasswordCredentials(username, password));

HttpMethod m = prepareMethodCallback.prepare(url);
try {
m.addRequestHeader("Accept", "application/json");

String encodedAuth = new String(Base64.encodeBase64((username + ":" + password).getBytes()));
m.addRequestHeader("Authorization", "Basic " + encodedAuth);
m.setDoAuthentication(true);
// m.setFollowRedirects(true);

int responseCode = client.executeMethod(m);
if (responseCode == 301 || responseCode == 302) {
String location = m.getResponseHeader("Location").getValue();
m.setURI(new URI(location, false));
responseCode = client.executeMethod(m);
if (responseCode == 200 || responseCode == 201 || responseCode == 202 || responseCode == 204) {
return m.getResponseBody();
}
} else {
if (responseCode == 200 || responseCode == 201 || responseCode == 202 || responseCode == 204) {
return m.getResponseBody();
}
throw new IOException("Requested to " + url + " has resulted in error. Response code = " + responseCode + ". Response contents: " + m.getResponseBodyAsString());
}
} finally {
m.releaseConnection();
}
throw new IOException("Cannot complete request to " + url);
}
}