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author | Dominik Schürmann <dominik@dominikschuermann.de> | 2015-01-29 20:43:35 +0100 |
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committer | Dominik Schürmann <dominik@dominikschuermann.de> | 2015-01-29 20:43:35 +0100 |
commit | dccef45dc1646d623c01dcde7a28711b2ac815e4 (patch) | |
tree | e3b0cc6f01b9ec843bf90419b96d6e7c092d874e /src/main/java/org/openintents/openpgp/util/OpenPgpUtils.java | |
parent | c8766a788884d331c0b61eb74241abd65e9b90b9 (diff) | |
download | openpgp-api-dccef45dc1646d623c01dcde7a28711b2ac815e4.tar.gz openpgp-api-dccef45dc1646d623c01dcde7a28711b2ac815e4.tar.bz2 openpgp-api-dccef45dc1646d623c01dcde7a28711b2ac815e4.zip |
Change to gradle file structure, include changes by ligi
Diffstat (limited to 'src/main/java/org/openintents/openpgp/util/OpenPgpUtils.java')
-rw-r--r-- | src/main/java/org/openintents/openpgp/util/OpenPgpUtils.java | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/src/main/java/org/openintents/openpgp/util/OpenPgpUtils.java b/src/main/java/org/openintents/openpgp/util/OpenPgpUtils.java new file mode 100644 index 0000000..ef0a88c --- /dev/null +++ b/src/main/java/org/openintents/openpgp/util/OpenPgpUtils.java @@ -0,0 +1,106 @@ +/* + * Copyright (C) 2014-2015 Dominik Schürmann <dominik@dominikschuermann.de> + * + * 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 org.openintents.openpgp.util; + +import java.util.List; +import java.util.Locale; +import java.util.regex.Matcher; +import java.util.regex.Pattern; + +import android.content.Context; +import android.content.Intent; +import android.content.pm.ResolveInfo; +import android.text.TextUtils; + +public class OpenPgpUtils { + + public static final Pattern PGP_MESSAGE = Pattern.compile( + ".*?(-----BEGIN PGP MESSAGE-----.*?-----END PGP MESSAGE-----).*", + Pattern.DOTALL); + + public static final Pattern PGP_SIGNED_MESSAGE = Pattern.compile( + ".*?(-----BEGIN PGP SIGNED MESSAGE-----.*?-----BEGIN PGP SIGNATURE-----.*?-----END PGP SIGNATURE-----).*", + Pattern.DOTALL); + + public static final int PARSE_RESULT_NO_PGP = -1; + public static final int PARSE_RESULT_MESSAGE = 0; + public static final int PARSE_RESULT_SIGNED_MESSAGE = 1; + + public static int parseMessage(String message) { + Matcher matcherSigned = PGP_SIGNED_MESSAGE.matcher(message); + Matcher matcherMessage = PGP_MESSAGE.matcher(message); + + if (matcherMessage.matches()) { + return PARSE_RESULT_MESSAGE; + } else if (matcherSigned.matches()) { + return PARSE_RESULT_SIGNED_MESSAGE; + } else { + return PARSE_RESULT_NO_PGP; + } + } + + public static boolean isAvailable(Context context) { + Intent intent = new Intent(OpenPgpApi.SERVICE_INTENT); + List<ResolveInfo> resInfo = context.getPackageManager().queryIntentServices(intent, 0); + return !resInfo.isEmpty(); + } + + public static String convertKeyIdToHex(long keyId) { + return "0x" + convertKeyIdToHex32bit(keyId >> 32) + convertKeyIdToHex32bit(keyId); + } + + private static String convertKeyIdToHex32bit(long keyId) { + String hexString = Long.toHexString(keyId & 0xffffffffL).toLowerCase(Locale.ENGLISH); + while (hexString.length() < 8) { + hexString = "0" + hexString; + } + return hexString; + } + + private static final Pattern USER_ID_PATTERN = Pattern.compile("^(.*?)(?: (\\[.*\\]))?(?: \\((.*)\\))?(?: <(.*)>)?$"); + + /** + * Splits userId string into naming part, email part, and comment part + * <p/> + * User ID matching: + * http://fiddle.re/t4p6f + * + * @param userId + * @return theParsedUserInfo + */ + public static UserInfo splitUserId(final String userId) { + if (!TextUtils.isEmpty(userId)) { + final Matcher matcher = USER_ID_PATTERN.matcher(userId); + if (matcher.matches()) { + return new UserInfo(matcher.group(1), matcher.group(4), matcher.group(3)); + } + } + return new UserInfo(null, null, null); + } + + public static class UserInfo { + public final String name; + public final String email; + public final String comment; + + public UserInfo(String name, String email, String comment) { + this.name = name; + this.email = email; + this.comment = comment; + } + } +} |