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commands "inbox" and "delete" handled

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This commit is contained in:
Heri118 2021-01-05 13:43:34 +01:00
parent 8e35674b55
commit a9c8b45086
2 changed files with 43 additions and 5 deletions
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7
src/main/java/dslab/client/IMessageClient.java
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@ -1,5 +1,8 @@
package dslab.client;
import javax.crypto.BadPaddingException;
import javax.crypto.IllegalBlockSizeException;
/**
* A Message Client application.
*
@ -16,7 +19,7 @@ public interface IMessageClient extends Runnable {
/**
* Outputs the contents of the user's inbox on the shell.
*/
void inbox();
void inbox() throws BadPaddingException, IllegalBlockSizeException;
/**
* Deletes the mail with the given id. Prints 'ok' if the mail was deleted successfully, 'error {explanation}'
@ -24,7 +27,7 @@ public interface IMessageClient extends Runnable {
*
* @param id the mail id
*/
void delete(String id);
void delete(String id) throws BadPaddingException, IllegalBlockSizeException;
/**
* Verifies the signature of the message by calculating its hash value using the shared secret. Prints 'ok' if the

41
src/main/java/dslab/client/MessageClient.java
View File

@ -324,16 +324,51 @@ public class MessageClient implements IMessageClient, Runnable {
@Command
@Override
public void inbox() {
public void inbox() throws BadPaddingException, IllegalBlockSizeException {
String message;
logger.info("Received 'inbox' command");
message = "list";
this.dmapOut.println(getAesCiphertext(message));
try {
String response = getAesPlaintext(this.dmapIn.readLine());
if (response.equals("ok DMAP2.0") || response.equals("ok DMAP")) {
this.dmapOut.println(getAesCiphertext(message));
response = getAesPlaintext(this.dmapIn.readLine());
}
String [] temp = response.split("\\s+");
String [] help = new String[temp.length / 3];
int count = 0;
for (int i = 0; i < help.length; i++) {
help[i] = temp[count];
count = count + 3;
}
String result = "";
for (int i = 0; i < help.length; i++) {
message = "show " + help[i];
this.dmapOut.println(getAesCiphertext(message));
result = getAesPlaintext(this.dmapIn.readLine() + "\n");
}
System.out.println("Your Mailbox: \n" + result);
} catch (IOException e) {
System.out.println("IO Exception " + e.getMessage());
}
}
@Command
@Override
public void delete(String id) {
public void delete(String id) throws BadPaddingException, IllegalBlockSizeException {
String message;
logger.info("Received 'delete' command for id " + id);
message = "delete " + id;
this.dmapOut.println(getAesCiphertext(message));
try {
String result = "";
result = getAesPlaintext(dmapIn.readLine());
System.out.println(result);
} catch (IOException e) {
System.out.println("IO Exception " + e.getMessage());
}
}
/**