diff options
Diffstat (limited to 'src/main/java/at/gv/util/client/mis/usp_v2/VDDSRoleGenerationStrategy.java')
-rw-r--r-- | src/main/java/at/gv/util/client/mis/usp_v2/VDDSRoleGenerationStrategy.java | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/src/main/java/at/gv/util/client/mis/usp_v2/VDDSRoleGenerationStrategy.java b/src/main/java/at/gv/util/client/mis/usp_v2/VDDSRoleGenerationStrategy.java new file mode 100644 index 0000000..c5573d3 --- /dev/null +++ b/src/main/java/at/gv/util/client/mis/usp_v2/VDDSRoleGenerationStrategy.java @@ -0,0 +1,83 @@ +package at.gv.util.client.mis.usp_v2; + +import java.io.UnsupportedEncodingException; +import java.security.MessageDigest; +import java.security.NoSuchAlgorithmException; +import java.text.SimpleDateFormat; +import java.util.Base64; +import java.util.Date; + +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import at.gv.util.MiscUtil; +import at.gv.util.client.szr.IRoleGenerationStrategy; +import at.gv.util.ex.EgovUtilException; + +public class VDDSRoleGenerationStrategy implements IRoleGenerationStrategy { + private static final Logger log = LoggerFactory.getLogger(VDDSRoleGenerationStrategy.class); + + public static final String ROLE_CONSTANT_PARTNERNAME = "partner-name="; + public static final String ROLE_CONSTANT_SECRET = "secret="; + public static final String ROLE_CONSTANT_CREATIONTS = "creation-ts="; + + public static final String TS_PATTERN = "yyyy-MM-dd'T'HH:mm:ss.SSSXXX"; + private static final SimpleDateFormat tsFormat = new SimpleDateFormat(TS_PATTERN); + + private String participant; + private String authData; + + public VDDSRoleGenerationStrategy(String participant, String authData) throws EgovUtilException { + if (MiscUtil.isEmpty(authData)) { + log.error("Secret to generate VDDS role is 'null or 'empty''"); + throw new EgovUtilException("Secret to generate VDDS role is 'null or 'empty'"); + + } + this.authData = authData; + + if (MiscUtil.isEmpty(participant)) { + log.error("Participant to generate VDDS role is 'null or 'empty''"); + throw new EgovUtilException("Secret to generate VDDS role is 'null or 'empty'"); + + } + this.participant = participant; + + log.trace("VDDSRoleGenerationStrategy uses participant: " + this.participant + " and secret: " + this.authData); + + } + + @Override + public String generateRoleString(String roleString) throws EgovUtilException { + + try { + String currentTS = tsFormat.format(new Date()); + log.trace("Generate VDDS role at: " + currentTS); + MessageDigest md = MessageDigest.getInstance("SHA-1"); + byte[] digistInput = (currentTS + authData).getBytes("UTF-8"); + log.trace("DigistInput: " + new String(digistInput, "UTF-8")); + byte[] digistOutput = md.digest(digistInput); + String secret = Base64.getEncoder().encodeToString(digistOutput); + + StringBuilder sBuilder = new StringBuilder(roleString); + sBuilder.append("("); + sBuilder.append(ROLE_CONSTANT_PARTNERNAME); + sBuilder.append(participant); + sBuilder.append(","); + sBuilder.append(ROLE_CONSTANT_SECRET); + sBuilder.append(secret); + sBuilder.append(","); + sBuilder.append(ROLE_CONSTANT_CREATIONTS); + sBuilder.append(currentTS); + sBuilder.append(")"); + + log.trace("Finale VDDS Role: " + sBuilder.toString()); + return sBuilder.toString(); + + } catch(NoSuchAlgorithmException | UnsupportedEncodingException e) { + log.error("VDDSRoleGeneration FAILED with error: " + e.getMessage(), e); + throw new EgovUtilException("VDDSRoleGeneration FAILED", e); + + } + } + +} |