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authorThomas Lenz <thomas.lenz@egiz.gv.at>2020-04-01 17:24:53 +0200
committerThomas Lenz <thomas.lenz@egiz.gv.at>2020-04-01 17:24:53 +0200
commitc972a8106bbff5dea9fecc76864be9a99a868d78 (patch)
tree6c9cfca3a7cd002d5fe6e4bbaf884b877ecaf5bf /eaaf_core/src/main/java/at/gv/egiz/eaaf/core/impl/idp/auth/builder/BpkBuilder.java
parentf4a941a0c4bbe6251a108612a4ee49607d6951fc (diff)
parent5945c62128c2cb9d552ad7b4c085c09d046d2d56 (diff)
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Merge branch 'nightlyBuild'
Diffstat (limited to 'eaaf_core/src/main/java/at/gv/egiz/eaaf/core/impl/idp/auth/builder/BpkBuilder.java')
-rw-r--r--eaaf_core/src/main/java/at/gv/egiz/eaaf/core/impl/idp/auth/builder/BpkBuilder.java216
1 files changed, 145 insertions, 71 deletions
diff --git a/eaaf_core/src/main/java/at/gv/egiz/eaaf/core/impl/idp/auth/builder/BpkBuilder.java b/eaaf_core/src/main/java/at/gv/egiz/eaaf/core/impl/idp/auth/builder/BpkBuilder.java
index a613bd56..fed4af32 100644
--- a/eaaf_core/src/main/java/at/gv/egiz/eaaf/core/impl/idp/auth/builder/BpkBuilder.java
+++ b/eaaf_core/src/main/java/at/gv/egiz/eaaf/core/impl/idp/auth/builder/BpkBuilder.java
@@ -25,20 +25,22 @@ import java.security.PrivateKey;
import java.security.PublicKey;
import java.text.SimpleDateFormat;
import java.util.Date;
+import java.util.Map.Entry;
+import javax.annotation.Nullable;
import javax.crypto.BadPaddingException;
import javax.crypto.Cipher;
import javax.crypto.IllegalBlockSizeException;
import javax.crypto.NoSuchPaddingException;
import org.apache.commons.lang3.StringUtils;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
import org.springframework.util.Base64Utils;
import at.gv.egiz.eaaf.core.api.data.EaafConstants;
import at.gv.egiz.eaaf.core.exceptions.EaafBuilderException;
import at.gv.egiz.eaaf.core.impl.data.Pair;
+import lombok.extern.slf4j.Slf4j;
+
/**
* Builder for the bPK, as defined in
@@ -47,9 +49,11 @@ import at.gv.egiz.eaaf.core.impl.data.Pair;
* <code>&quot;reference.e-government.gv.at&quot;</code>.
*
*/
+@Slf4j
public class BpkBuilder {
- private static final Logger log = LoggerFactory.getLogger(BpkBuilder.class);
-
+
+ private static final String ERROR_MSG_WRONG_TARGET_FORMAT = "bPK-target format must be full URI";
+
/**
* Calculates an area specific unique person-identifier from a baseID.
*
@@ -100,12 +104,17 @@ public class BpkBuilder {
if (baseIdType.equals(EaafConstants.URN_PREFIX_BASEID)) {
log.trace("Find baseID. Starting unique identifier caluclation for this target");
- if (targetIdentifier.startsWith(EaafConstants.URN_PREFIX_CDID)
- || targetIdentifier.startsWith(EaafConstants.URN_PREFIX_WBPK)) {
- log.trace("Calculate bPK, wbPK, or STORK identifier for target: " + targetIdentifier);
+ if (targetIdentifier.startsWith(EaafConstants.URN_PREFIX_CDID)) {
+ log.trace("Calculate bPK identifier for target: " + targetIdentifier);
return Pair.newInstance(calculatebPKwbPK(baseID + "+" + targetIdentifier),
targetIdentifier);
+ } else if (targetIdentifier.startsWith(EaafConstants.URN_PREFIX_WBPK)) {
+ log.trace("Calculate wbPK identifier for target: " + targetIdentifier);
+ return Pair.newInstance(calculatebPKwbPK(
+ baseID + "+" + normalizeBpkTargetIdentifierToCalculationFormat(targetIdentifier)),
+ normalizeBpkTargetIdentifierToCommonFormat(targetIdentifier));
+
} else if (targetIdentifier.startsWith(EaafConstants.URN_PREFIX_EIDAS)) {
log.trace("Calculate eIDAS identifier for target: " + targetIdentifier);
final String[] splittedTarget = targetIdentifier.split("\\+");
@@ -144,57 +153,13 @@ public class BpkBuilder {
}
}
- /**
- * Builds the eIDAS from the given parameters.
- *
- * @param baseId baseID of the citizen
- * @param baseIdType Type of the baseID
- * @param sourceCountry CountryCode of that country, which build the eIDAs
- * ID
- * @param destinationCountry CountryCode of that country, which receives the
- * eIDAs ID
- *
- * @return Pair eIDAs/bPKType in a BASE64 encoding
- * @throws EaafBuilderException if some input data are not valid
- */
- private static Pair<String, String> buildEidasIdentifer(final String baseId,
- final String baseIdType, final String sourceCountry, final String destinationCountry)
- throws EaafBuilderException {
- String bpk = null;
- String bpkType = null;
- // check if we have been called by public sector application
- if (baseIdType.startsWith(EaafConstants.URN_PREFIX_BASEID)) {
- bpkType = EaafConstants.URN_PREFIX_EIDAS + sourceCountry + "+" + destinationCountry;
- log.debug("Building eIDAS identification from: [identValue]+" + bpkType);
- bpk = calculatebPKwbPK(baseId + "+" + bpkType);
-
- } else { // if not, sector identification value is already calculated by BKU
- log.debug("eIDAS eIdentifier already provided by BKU");
- bpk = baseId;
- }
-
- if (StringUtils.isEmpty(bpk) || StringUtils.isEmpty(sourceCountry)
- || StringUtils.isEmpty(destinationCountry)) {
- throw new EaafBuilderException("builder.00",
- new Object[] { "eIDAS-ID",
- "Unvollständige Parameterangaben: identificationValue=" + bpk + ", Zielland="
- + destinationCountry + ", Ursprungsland=" + sourceCountry },
- "eIDAS-ID: Unvollständige Parameterangaben: identificationValue=" + bpk + ", Zielland="
- + destinationCountry + ", Ursprungsland=" + sourceCountry);
- }
-
- log.trace("eIDAS pseudonym generation finished. ");
- final String eIdentifier = sourceCountry + "/" + destinationCountry + "/" + bpk;
-
- return Pair.newInstance(eIdentifier, bpkType);
- }
/**
* Create an encrypted bPK.
*
* @param bpk unencrypted bPK
- * @param target bPK target
+ * @param target bPK target in full form
* @param publicKey Public-Key used for encryption
* @return encrypted bPK
* @throws EaafBuilderException In case of an error
@@ -202,12 +167,17 @@ public class BpkBuilder {
public static String encryptBpk(final String bpk, String target, final PublicKey publicKey)
throws EaafBuilderException {
final SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss");
- if (target.startsWith(EaafConstants.URN_PREFIX_CDID)) {
- target = target.substring(EaafConstants.URN_PREFIX_CDID.length());
+
+ if (!target.startsWith(EaafConstants.URN_PREFIX_WITH_COLON)) {
+ throw new EaafBuilderException("builder.32",
+ null, ERROR_MSG_WRONG_TARGET_FORMAT);
+
}
+
+ target = normalizeBpkTargetIdentifierToCalculationFormat(target);
final String input =
- "V1::urn:publicid:gv.at:cdid+" + target + "::" + bpk + "::" + sdf.format(new Date());
+ "V1::" + target + "::" + bpk + "::" + sdf.format(new Date());
// System.out.println(input);
byte[] result;
try {
@@ -227,17 +197,23 @@ public class BpkBuilder {
* Decrypt an encrypted bPK.
*
* @param encryptedBpk encrypted bPK
- * @param target bPK target
+ * @param target bPK target in full form
* @param privateKey private-key for decryption
- * @return bPK
+ * @return bPK Pair consists of (unique person identifier for this target,
+ * targetArea) but never null
* @throws EaafBuilderException In case of an error
*/
- public static String decryptBpk(final String encryptedBpk, String target,
+ public static Pair<String, String> decryptBpk(final String encryptedBpk, String target,
final PrivateKey privateKey) throws EaafBuilderException {
String decryptedString;
+
+ if (!target.startsWith(EaafConstants.URN_PREFIX_WITH_COLON)) {
+ throw new EaafBuilderException("builder.32",
+ null, ERROR_MSG_WRONG_TARGET_FORMAT);
+
+ }
+
try {
- // byte[] encryptedBytes = Base64Utils.decode(encryptedBpk, false,
- // "ISO-8859-1");
final byte[] encryptedBytes = Base64Utils.decode(encryptedBpk.getBytes("ISO-8859-1"));
final byte[] decryptedBytes = decrypt(encryptedBytes, privateKey);
decryptedString = new String(decryptedBytes, "ISO-8859-1");
@@ -247,23 +223,121 @@ public class BpkBuilder {
}
- String tmp = decryptedString.substring(decryptedString.indexOf('+') + 1);
- final String sector = tmp.substring(0, tmp.indexOf("::"));
- tmp = tmp.substring(tmp.indexOf("::") + 2);
- final String bPK = tmp.substring(0, tmp.indexOf("::"));
-
- if (target.startsWith(EaafConstants.URN_PREFIX_CDID + "+")) {
- target = target.substring((EaafConstants.URN_PREFIX_CDID + "+").length());
+ String[] parts = decryptedString.split("::");
+ if (parts.length != 4) {
+ log.trace("Encrypted bPK has value: {}", decryptedString);
+ throw new EaafBuilderException("builder.31", new Object[] {parts.length},
+ "encBpk has a suspect format");
+
}
+
+ final String sector = parts[1];
+ final String bPK = parts[2];
- if (target.equals(sector)) {
- return bPK;
+ if (target.equals(normalizeBpkTargetIdentifierToCommonFormat(sector))) {
+ return Pair.newInstance(bPK, target);
+
} else {
- log.error("Decrypted bPK does not match to request bPK target.");
- return null;
+ throw new EaafBuilderException("builder.30", new Object[] {sector, target},
+ "Decrypted bPK-target does not match");
+
}
}
+ /**
+ * Normalize wbPK target identifier for FN, ZVR, and ERSB to XFN, XZVR, and XERSB.
+ *
+ * <p>If the target is not of this types the target will be returned as it is</p>
+ * @param targetIdentifier bPK input target
+ * @return XFN, XZVR, XERSB, or targetIdentfier if no normalization is required
+ */
+ @Nullable
+ public static String normalizeBpkTargetIdentifierToCommonFormat(@Nullable String targetIdentifier) {
+ if (targetIdentifier != null
+ && !targetIdentifier.startsWith(EaafConstants.URN_PREFIX_WBPK_TARGET_WITH_X)) {
+ for (Entry<String, String> mapper : EaafConstants.URN_WBPK_TARGET_X_TO_NONE_MAPPER.entrySet()) {
+ if (targetIdentifier.startsWith(mapper.getValue())) {
+ String wbpkTarget = mapper.getKey() + targetIdentifier.substring(mapper.getValue().length());
+ log.trace("Normalize wbPK target: {} to {}", targetIdentifier, wbpkTarget);
+ return wbpkTarget;
+
+ }
+ }
+ }
+
+ return targetIdentifier;
+ }
+
+ /**
+ * Normalize wbPK target identifier for XFN, XZVR, and XERSB to bPK calculation format like, FN, ZVR, and ERSB.
+ *
+ * <p>If the target is not of this types the target will be returned as it is</p>
+ *
+ * @param targetIdentifier bPK input target
+ * @return FN, ZVR, ERSB, or targetIdentfier if no normalization is required
+ */
+ @Nullable
+ public static String normalizeBpkTargetIdentifierToCalculationFormat(@Nullable String targetIdentifier) {
+ if (targetIdentifier != null && targetIdentifier.startsWith(EaafConstants.URN_PREFIX_WBPK)) {
+ for (Entry<String, String> mapper : EaafConstants.URN_WBPK_TARGET_X_TO_NONE_MAPPER.entrySet()) {
+ if (targetIdentifier.startsWith(mapper.getKey())) {
+ String wbpkTarget = mapper.getValue() + targetIdentifier.substring(mapper.getKey().length());
+ log.trace("Find new wbPK target: {}. Replace it by: {}", targetIdentifier, wbpkTarget);
+ return wbpkTarget;
+
+ }
+ }
+ }
+
+ return targetIdentifier;
+ }
+
+ /**
+ * Builds the eIDAS from the given parameters.
+ *
+ * @param baseId baseID of the citizen
+ * @param baseIdType Type of the baseID
+ * @param sourceCountry CountryCode of that country, which build the eIDAs
+ * ID
+ * @param destinationCountry CountryCode of that country, which receives the
+ * eIDAs ID
+ *
+ * @return Pair eIDAs/bPKType in a BASE64 encoding
+ * @throws EaafBuilderException if some input data are not valid
+ */
+ private static Pair<String, String> buildEidasIdentifer(final String baseId,
+ final String baseIdType, final String sourceCountry, final String destinationCountry)
+ throws EaafBuilderException {
+ String bpk = null;
+ String bpkType = null;
+
+ // check if we have been called by public sector application
+ if (baseIdType.startsWith(EaafConstants.URN_PREFIX_BASEID)) {
+ bpkType = EaafConstants.URN_PREFIX_EIDAS + sourceCountry + "+" + destinationCountry;
+ log.debug("Building eIDAS identification from: [identValue]+" + bpkType);
+ bpk = calculatebPKwbPK(baseId + "+" + bpkType);
+
+ } else { // if not, sector identification value is already calculated by BKU
+ log.debug("eIDAS eIdentifier already provided by BKU");
+ bpk = baseId;
+ }
+
+ if (StringUtils.isEmpty(bpk) || StringUtils.isEmpty(sourceCountry)
+ || StringUtils.isEmpty(destinationCountry)) {
+ throw new EaafBuilderException("builder.00",
+ new Object[] { "eIDAS-ID",
+ "Unvollständige Parameterangaben: identificationValue=" + bpk + ", Zielland="
+ + destinationCountry + ", Ursprungsland=" + sourceCountry },
+ "eIDAS-ID: Unvollständige Parameterangaben: identificationValue=" + bpk + ", Zielland="
+ + destinationCountry + ", Ursprungsland=" + sourceCountry);
+ }
+
+ log.trace("eIDAS pseudonym generation finished. ");
+ final String eIdentifier = sourceCountry + "/" + destinationCountry + "/" + bpk;
+
+ return Pair.newInstance(eIdentifier, bpkType);
+ }
+
private static String calculatebPKwbPK(final String basisbegriff) throws EaafBuilderException {
try {
final MessageDigest md = MessageDigest.getInstance("SHA-1");