/*
* Copyright 2013 Cloud4SOA, www.cloud4soa.eu
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package eu.cloud4soa.soa.git.utils;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.springframework.stereotype.Component;
import java.io.*;
/**
* Created with IntelliJ IDEA.
* User: pgouvas
* Date: 8/21/12
* Time: 12:54 PM
* To change this template use File | Settings | File Templates.
*/
@Component
public class Util {
protected final Log logger = LogFactory.getLog(getClass());
public static String readfile(String filename) throws Exception {
String ret="";
File file = new File(filename);
int ch;
StringBuffer strContent = new StringBuffer("");
FileInputStream fin = null;
try {
fin = new FileInputStream(file);
while ((ch = fin.read()) != -1) strContent.append((char) ch);
fin.close();
} catch (Exception e) {
throw e;
}
ret=strContent.toString();
return ret;
}
public static String createAuthorizedKeysSegment(String proxyexecutable, String key, String pubkey){
//TODO add this command="/home/ubitech/proxy-git username",no-X11-forwarding,no-pty,no-port-forwarding,no-agent-forwarding
String ret="";
String command = " command=\""+proxyexecutable+" username\",no-X11-forwarding,no-pty,no-port-forwarding,no-agent-forwarding ";
ret="#"+key+"\n"+command+" "+pubkey+"\n"+"#"+key+"end"+"\n";
return ret;
}
public static String createProxyGitSegment(String proxyid, String proxyname, String url, String reponame, Long userid){
String ret="";
ret="#proxy"+proxyid+" \n" +
"REPO=\""+reponame+"\" \n" +
"if [ \"$repo\" == \"'"+proxyname+"'\" ]; then \n" +
" exec /usr/bin/ssh -oBatchMode=yes -i "+System.getProperty("user.home")+"/.ssh/"+userid+" "+url+" \"$cmd\" \"'$REPO'\" \n" +
"fi \n" +
"#proxy"+proxyid+"end \n";
return ret;
}
public static synchronized void appendToFile(String filename, String text){
FileWriter fWriter = null;
BufferedWriter writer = null;
try {
fWriter = new FileWriter(filename,true);
writer = new BufferedWriter(fWriter);
writer.append(text);
writer.newLine();
writer.close();
} catch (Exception e) {
e.printStackTrace();
}
}
public static String createSedBlockForAuthorizedKeys(String pubkeyid){
String ret="";
ret= " /^#"+pubkeyid+"/,/"+"#"+pubkeyid+"end"+"/d ";
return ret;
}
public static String createSedBlockForProxyGit(String tag){
String ret="";
ret= " /^#proxy"+tag+"/,/"+"#proxy"+tag+"end"+"/d ";
return ret;
}
public static synchronized int replaceBlockWithSedForAuthorizedKeys(String filename, String pubkeyid){
int retvalue = 1; //1=ERROR 0=OK
try {
String sedblock = createSedBlockForAuthorizedKeys(pubkeyid);
System.out.println(" sed -e "+sedblock +" "+filename );
String[] command = new String[] {"sed" ,
"-i" , // -i is for replace // -e is used for piping
sedblock ,
filename
};
System.out.println(command.toString());
Process child = Runtime.getRuntime().exec(command);
child.waitFor();
//Get the input stream and read from it
InputStream in = child.getInputStream();
int c;
while ((c = in.read()) != -1) {
System.out.print((char)c);
}
in.close();
retvalue = child.exitValue();
System.out.println("Replace file returned: "+retvalue);
} catch (Exception ex){
ex.printStackTrace();
}
return retvalue;
}
public static synchronized int replaceBlockWithSedForProxyGit(String filename, String tag){
int retvalue = 1; //1=ERROR 0=OK
try {
String sedblock = createSedBlockForProxyGit(tag);
System.out.println(" sed -e "+sedblock +" "+filename );
String[] command = new String[] {"sed" ,
"-i" , // -i is for replace // -e is used for piping
sedblock ,
filename
};
System.out.println(command.toString());
Process child = Runtime.getRuntime().exec(command);
child.waitFor();
//Get the input stream and read from it
InputStream in = child.getInputStream();
int c;
while ((c = in.read()) != -1) {
System.out.print((char)c);
}
in.close();
retvalue = child.exitValue();
System.out.println("Replace file returned: "+retvalue);
} catch (Exception ex){
ex.printStackTrace();
}
return retvalue;
}
public static void GenerateSSHKeyPair(String userid){
int retvalue;
try {
//delete old ones
new File(System.getProperty("user.home")+"/.ssh/"+userid).delete();
new File(System.getProperty("user.home")+"/.ssh/"+userid+".pub").delete();
System.out.println(" SSH RSA KEY generation... at "+System.getProperty("user.home")+"/.ssh/"+userid );
Runtime.getRuntime().exec(new String[] {"ssh-keygen", //
"-q" /* quiet */, //
"-t", "rsa", //
"-P", "", //
"-C", userid+"@cloud", //
"-f", System.getProperty("user.home")+"/.ssh/"+userid //
}).waitFor();
System.out.println(" SSH RSA KEY created");
} catch (Exception ex){
ex.printStackTrace();
}
}
}