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package model.ca;
import model.asn1.ASN1Object;
import model.asn1.ObjectIdentifier;
import model.asn1.PrintableString;
import model.asn1.exceptions.ParseException;
import model.x501.AttributeTypeAndValue;
import model.x501.Name;
import model.x501.RelativeDistinguishedName;
/**
* Represents a certificate template. Certificate templates are like policies the define part of the issued certificates
* of what to have in common.
*/
public class Template {
/**
* Name of the template.
*/
private final String name;
/**
* Whether the template is usable or not.
*/
private final boolean enabled;
/**
* Subject of the issued certs. Null -> unspecified
*/
private final Name subject;
/**
* Length of validity in days since the point of issue.
*/
private final long validity;
/**
* EFFECTS: Init with all given parameters, and commonName will be converted into CN=commonName,C=CA if nonnull.
* Throws {@link ParseException} if the commonName is invalid.
*/
public Template(String name,
boolean enabled,
String commonName,
long validity) throws ParseException {
this(name, enabled, commonName == null ? null : parseString(commonName), validity);
}
/**
* EFFECTS: Init with all given parameters.
* REQUIRES: name should be non-null; subject should be a valid X.509 subject name; validity should be > 0
*/
public Template(String name,
boolean enabled,
Name subject,
long validity) {
this.name = name;
this.enabled = enabled;
this.subject = subject;
this.validity = validity;
}
public String getName() {
return name;
}
public boolean isEnabled() {
return enabled;
}
public Name getSubject() {
return subject;
}
public long getValidity() {
return validity;
}
/**
* EFFECTS: Convert the given commonName to RDN of CN=commonName,C=CA
* Throws {@link ParseException} if the given commonName is invalid.
*/
private static Name parseString(String commonName) throws ParseException {
return new Name(ASN1Object.TAG_SEQUENCE, null, new RelativeDistinguishedName[]{
new RelativeDistinguishedName(ASN1Object.TAG_SET, null, new AttributeTypeAndValue[]{
new AttributeTypeAndValue(ASN1Object.TAG_SEQUENCE, null,
new ObjectIdentifier(ObjectIdentifier.TAG, null,
ObjectIdentifier.OID_CN),
new PrintableString(PrintableString.TAG, null, commonName))}),
new RelativeDistinguishedName(ASN1Object.TAG_SET, null, new AttributeTypeAndValue[]{
new AttributeTypeAndValue(ASN1Object.TAG_SEQUENCE, null,
new ObjectIdentifier(ObjectIdentifier.TAG, null,
ObjectIdentifier.OID_C),
new PrintableString(PrintableString.TAG, null, "CA"))})});
}
}
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