140 lines
4.5 KiB
Java
140 lines
4.5 KiB
Java
package org.sufficientlysecure.keychain.service;
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import android.os.Parcel;
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import android.os.Parcelable;
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import java.io.Serializable;
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import java.util.ArrayList;
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/** This class is a a transferable representation for a collection of changes
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* to be done on a keyring.
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*
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* This class should include all types of operations supported in the backend.
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*
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* All changes are done in a differential manner. Besides the two key
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* identification attributes, all attributes may be null, which indicates no
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* change to the keyring. This is also the reason why boxed values are used
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* instead of primitives in the subclasses.
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*
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* Application of operations in the backend should be fail-fast, which means an
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* error in any included operation (for example revocation of a non-existent
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* subkey) will cause the operation as a whole to fail.
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*/
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public class SaveKeyringParcel implements Parcelable {
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// the master key id to be edited. if this is null, a new one will be created
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public Long mMasterKeyId;
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// the key fingerprint, for safety. MUST be null for a new key.
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public byte[] mFingerprint;
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public String mNewPassphrase;
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public ArrayList<String> mAddUserIds;
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public ArrayList<SubkeyAdd> mAddSubKeys;
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public ArrayList<SubkeyChange> mChangeSubKeys;
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public String mChangePrimaryUserId;
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public ArrayList<String> mRevokeUserIds;
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public ArrayList<Long> mRevokeSubKeys;
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public SaveKeyringParcel() {
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reset();
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}
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public SaveKeyringParcel(long masterKeyId, byte[] fingerprint) {
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this();
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mMasterKeyId = masterKeyId;
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mFingerprint = fingerprint;
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}
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public void reset() {
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mNewPassphrase = null;
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mAddUserIds = new ArrayList<String>();
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mAddSubKeys = new ArrayList<SubkeyAdd>();
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mChangePrimaryUserId = null;
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mChangeSubKeys = new ArrayList<SubkeyChange>();
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mRevokeUserIds = new ArrayList<String>();
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mRevokeSubKeys = new ArrayList<Long>();
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}
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// performance gain for using Parcelable here would probably be negligible,
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// use Serializable instead.
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public static class SubkeyAdd implements Serializable {
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public int mAlgorithm;
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public int mKeysize;
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public int mFlags;
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public Long mExpiry;
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public SubkeyAdd(int algorithm, int keysize, int flags, Long expiry) {
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mAlgorithm = algorithm;
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mKeysize = keysize;
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mFlags = flags;
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mExpiry = expiry;
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}
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}
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public static class SubkeyChange implements Serializable {
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public long mKeyId;
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public Integer mFlags;
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// this is a long unix timestamp, in seconds (NOT MILLISECONDS!)
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public Long mExpiry;
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public SubkeyChange(long keyId, Integer flags, Long expiry) {
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mKeyId = keyId;
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mFlags = flags;
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mExpiry = expiry;
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}
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}
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public SaveKeyringParcel(Parcel source) {
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mMasterKeyId = source.readInt() != 0 ? source.readLong() : null;
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mFingerprint = source.createByteArray();
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mNewPassphrase = source.readString();
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mAddUserIds = source.createStringArrayList();
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mAddSubKeys = (ArrayList<SubkeyAdd>) source.readSerializable();
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mChangeSubKeys = (ArrayList<SubkeyChange>) source.readSerializable();
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mChangePrimaryUserId = source.readString();
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mRevokeUserIds = source.createStringArrayList();
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mRevokeSubKeys = (ArrayList<Long>) source.readSerializable();
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}
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@Override
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public void writeToParcel(Parcel destination, int flags) {
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destination.writeInt(mMasterKeyId == null ? 0 : 1);
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if(mMasterKeyId != null) {
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destination.writeLong(mMasterKeyId);
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}
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destination.writeByteArray(mFingerprint);
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destination.writeString(mNewPassphrase);
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destination.writeStringList(mAddUserIds);
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destination.writeSerializable(mAddSubKeys);
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destination.writeSerializable(mChangeSubKeys);
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destination.writeString(mChangePrimaryUserId);
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destination.writeStringList(mRevokeUserIds);
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destination.writeSerializable(mRevokeSubKeys);
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}
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public static final Creator<SaveKeyringParcel> CREATOR = new Creator<SaveKeyringParcel>() {
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public SaveKeyringParcel createFromParcel(final Parcel source) {
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return new SaveKeyringParcel(source);
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}
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public SaveKeyringParcel[] newArray(final int size) {
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return new SaveKeyringParcel[size];
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}
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};
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@Override
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public int describeContents() {
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return 0;
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}
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}
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