redesign certify action to work with parcel input and result

1 files changed, 149 insertions, 0 deletions

diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/PgpCertifyOperation.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/PgpCertifyOperation.java
new file mode 100644
index 000000000..ffa2181e1
--- /dev/null
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/PgpCertifyOperation.java
@@ -0,0 +1,149 @@
+package org.sufficientlysecure.keychain.pgp;
+
+import android.content.Context;
+
+import org.spongycastle.openpgp.PGPException;
+import org.sufficientlysecure.keychain.Constants;
+import org.sufficientlysecure.keychain.pgp.exception.PgpGeneralException;
+import org.sufficientlysecure.keychain.provider.ProviderHelper;
+import org.sufficientlysecure.keychain.provider.ProviderHelper.NotFoundException;
+import org.sufficientlysecure.keychain.service.CertifyActionsParcel;
+import org.sufficientlysecure.keychain.service.CertifyActionsParcel.CertifyAction;
+import org.sufficientlysecure.keychain.service.results.CertifyResult;
+import org.sufficientlysecure.keychain.service.results.EditKeyResult;
+import org.sufficientlysecure.keychain.service.results.OperationResult.LogType;
+import org.sufficientlysecure.keychain.service.results.OperationResult.OperationLog;
+import org.sufficientlysecure.keychain.service.results.SaveKeyringResult;
+import org.sufficientlysecure.keychain.ui.util.KeyFormattingUtils;
+import org.sufficientlysecure.keychain.util.Log;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.concurrent.atomic.AtomicBoolean;
+
+public class PgpCertifyOperation {
+
+    private AtomicBoolean mCancelled;
+
+    private ProviderHelper mProviderHelper;
+
+    public PgpCertifyOperation(ProviderHelper providerHelper, AtomicBoolean cancelled) {
+        mProviderHelper = providerHelper;
+
+        mCancelled = cancelled;
+    }
+
+    private boolean checkCancelled() {
+        return mCancelled != null && mCancelled.get();
+    }
+
+    public CertifyResult certify(CertifyActionsParcel parcel, String passphrase) {
+
+        OperationLog log = new OperationLog();
+        log.add(LogType.MSG_CRT, 0);
+
+        // Retrieve and unlock secret key
+        CanonicalizedSecretKey certificationKey;
+        try {
+            log.add(LogType.MSG_CRT_MASTER_FETCH, 1);
+            CanonicalizedSecretKeyRing secretKeyRing =
+                    mProviderHelper.getCanonicalizedSecretKeyRing(parcel.mMasterKeyId);
+            log.add(LogType.MSG_CRT_UNLOCK, 1);
+            certificationKey = secretKeyRing.getSecretKey();
+            if (!certificationKey.unlock(passphrase)) {
+                log.add(LogType.MSG_CRT_ERROR_UNLOCK, 2);
+                return new CertifyResult(CertifyResult.RESULT_ERROR, log);
+            }
+        } catch (PgpGeneralException e) {
+            log.add(LogType.MSG_CRT_ERROR_UNLOCK, 2);
+            return new CertifyResult(CertifyResult.RESULT_ERROR, log);
+        } catch (NotFoundException e) {
+            log.add(LogType.MSG_CRT_ERROR_MASTER_NOT_FOUND, 2);
+            return new CertifyResult(CertifyResult.RESULT_ERROR, log);
+        }
+
+        ArrayList<UncachedKeyRing> certifiedKeys = new ArrayList<UncachedKeyRing>();
+
+        log.add(LogType.MSG_CRT_CERTIFYING, 1);
+
+        int certifyOk = 0, certifyError = 0;
+
+        // Work through all requested certifications
+        for (CertifyAction action : parcel.mCertifyActions) {
+
+            // Check if we were cancelled
+            if (checkCancelled()) {
+                log.add(LogType.MSG_OPERATION_CANCELLED, 0);
+                return new CertifyResult(CertifyResult.RESULT_CANCELLED, log);
+            }
+
+            try {
+
+                if (action.mUserIds == null) {
+                    log.add(LogType.MSG_CRT_CERTIFY_ALL, 2,
+                            KeyFormattingUtils.convertKeyIdToHex(action.mMasterKeyId));
+                } else {
+                    log.add(LogType.MSG_CRT_CERTIFY_SOME, 2, action.mUserIds.size(),
+                            KeyFormattingUtils.convertKeyIdToHex(action.mMasterKeyId));
+                }
+
+                CanonicalizedPublicKeyRing publicRing =
+                        mProviderHelper.getCanonicalizedPublicKeyRing(action.mMasterKeyId);
+                if ( ! Arrays.equals(publicRing.getFingerprint(), action.mFingerprint)) {
+                    log.add(LogType.MSG_CRT_FP_MISMATCH, 3);
+                    certifyError += 1;
+                    continue;
+                }
+
+                UncachedKeyRing certifiedKey = certificationKey.certifyUserIds(publicRing, action.mUserIds, null, null);
+                certifiedKeys.add(certifiedKey);
+
+            } catch (NotFoundException e) {
+                certifyError += 1;
+                log.add(LogType.MSG_CRT_WARN_NOT_FOUND, 3);
+            } catch (PGPException e) {
+                certifyError += 1;
+                log.add(LogType.MSG_CRT_WARN_CERT_FAILED, 3);
+                Log.e(Constants.TAG, "Encountered PGPException during certification", e);
+            }
+
+        }
+
+        log.add(LogType.MSG_CRT_SAVING, 1);
+
+        // Check if we were cancelled
+        if (checkCancelled()) {
+            log.add(LogType.MSG_OPERATION_CANCELLED, 0);
+            return new CertifyResult(CertifyResult.RESULT_CANCELLED, log);
+        }
+
+        // Write all certified keys into the database
+        for (UncachedKeyRing certifiedKey : certifiedKeys) {
+
+            // Check if we were cancelled
+            if (checkCancelled()) {
+                log.add(LogType.MSG_OPERATION_CANCELLED, 0);
+                return new CertifyResult(CertifyResult.RESULT_CANCELLED, log, certifyOk, certifyError);
+            }
+
+            log.add(LogType.MSG_CRT_SAVE, 2,
+                    KeyFormattingUtils.convertKeyIdToHex(certifiedKey.getMasterKeyId()));
+            // store the signed key in our local cache
+            SaveKeyringResult result = mProviderHelper.savePublicKeyRing(certifiedKey);
+
+            if (result.success()) {
+                certifyOk += 1;
+            } else {
+                log.add(LogType.MSG_CRT_WARN_SAVE_FAILED, 3);
+            }
+
+            // TODO do something with import results
+
+        }
+
+        log.add(LogType.MSG_CRT_SUCCESS, 0);
+        return new CertifyResult(CertifyResult.RESULT_OK, log, certifyOk, certifyError);
+
+    }
+
+}