/*
* Copyright 2019 Nokia
*
* 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.onap.cvc.csar.parser;
import org.apache.commons.lang3.tuple.Pair;
import org.onap.cvc.csar.CSARArchive;
import org.onap.cvc.csar.PnfCSARError;
import java.util.ArrayList;
import java.util.List;
import java.util.Objects;
import static org.onap.cvc.csar.parser.ManifestConsts.*;
public class SourcesParser {
private final String fileName;
public SourcesParser(String fileName) {
this.fileName = fileName;
}
public Pair, List> parse(List lines) {
List sources = new ArrayList<>();
List errors = new ArrayList<>();
boolean isSpecialTagReached = false;
boolean sourceSectionParsing = false;
Source source = null;
for (int lineNumber = 0; lineNumber < lines.size(); lineNumber++) {
String line = lines.get(lineNumber);
ManifestLine manifestLine = ManifestLine.of(line);
if (sourceSectionParsing && isContainSpecialTag(line, manifestLine)) {
isSpecialTagReached = true;
} else if (!isSpecialTagReached && manifestLine.startsWith(SOURCE_TAG_SECTION)) {
sourceSectionParsing = true;
source = handleSourceLine(sources, errors, lineNumber, manifestLine);
} else if (!isSpecialTagReached && manifestLine.startsWith(ALGORITHM)) {
handleAlgorithmLine(errors, source, lineNumber, manifestLine);
} else if (!isSpecialTagReached && manifestLine.startsWith(HASH)) {
handleHashLine(errors, source, lineNumber, manifestLine);
} else if (!isSpecialTagReached && manifestLine.startsWith(SIGNATURE)) {
handleSignatureLine(errors, source, lineNumber, manifestLine);
} else if (!isSpecialTagReached && manifestLine.startsWith(CERTIFICATE)) {
handleCertificateLine(errors, source, lineNumber, manifestLine);
}
}
return Pair.of(sources, errors);
}
private boolean isContainSpecialTag(String line, ManifestLine manifestLine) {
return manifestLine.startsWith(METADATA_SECTION_TAG_SECTION)
|| manifestLine.startsWith(NON_MANO_ARTIFACT_SETS_TAG_SECTION)
|| line.contains(CMS);
}
private Source handleSourceLine(List sources, List errors, int lineNumber, ManifestLine manifestLine) {
Source source;
String value = parseSourceSectionLine(manifestLine, lineNumber, errors);
if (!value.isEmpty()) {
source = new Source(value);
sources.add(source);
} else {
source = null;
}
return source;
}
private void handleAlgorithmLine(List errors, Source source, int lineNumber, ManifestLine manifestLine) {
String algorithm = parseSourceSectionLine(manifestLine, lineNumber, errors);
if (source != null) {
source.setAlgorithm(algorithm);
}
}
private void handleHashLine(List errors, Source source, int lineNumber, ManifestLine manifestLine) {
String hash = parseSourceSectionLine(manifestLine, lineNumber, errors);
if (source != null) {
source.setHash(hash);
}
}
private void handleSignatureLine(List errors, Source source, int lineNumber, ManifestLine manifestLine) {
String signature = parseSourceSectionLine(manifestLine, lineNumber, errors);
if (source != null) {
source.setSignature(signature);
}
}
private void handleCertificateLine(List errors, Source source, int lineNumber, ManifestLine manifestLine) {
String certificate = parseSourceSectionLine(manifestLine, lineNumber, errors);
if (source != null) {
source.setCertificate(certificate);
}
}
private String parseSourceSectionLine(ManifestLine line, int lineNumber, List errors) {
String retVal = "";
Pair data = line.parse();
String value = data.getValue();
if (value.isEmpty()) {
errors.add(new PnfCSARError.PnfCSARErrorWarning(data.getKey(), this.fileName, lineNumber));
} else {
retVal = value;
}
return retVal;
}
public static class Source {
private final String value;
private String algorithm;
private String hash;
private String signature;
private String certificate;
public Source(String value, String algorithm, String hash, String signature, String certificate) {
this.value = value;
this.algorithm = algorithm;
this.hash = hash;
this.signature = signature;
this.certificate = certificate;
}
public Source(String source, String algorithm, String hash) {
this(source, algorithm, hash, "", "");
}
public Source(String source) {
this(source, "", "");
}
public String getValue() {
return value;
}
public String getAlgorithm() {
return algorithm;
}
public void setAlgorithm(String algorithm) {
this.algorithm = algorithm;
}
public String getHash() {
return hash;
}
public void setHash(String hash) {
this.hash = hash;
}
public String getSignature() {
return signature;
}
public void setSignature(String signature) {
this.signature = signature;
}
public String getCertificate() {
return certificate;
}
public void setCertificate(String certificate) {
this.certificate = certificate;
}
@Override
public boolean equals(Object o) {
if (this == o) {
return true;
}
if (o == null || getClass() != o.getClass()) {
return false;
}
Source source = (Source) o;
return Objects.equals(value, source.value) &&
Objects.equals(algorithm, source.algorithm) &&
Objects.equals(hash, source.hash) &&
Objects.equals(signature, source.signature) &&
Objects.equals(certificate, source.certificate);
}
@Override
public int hashCode() {
return Objects.hash(value, algorithm, hash, signature, certificate);
}
@Override
public String toString() {
return "Source{" +
"value='" + value + '\'' +
", algorithm='" + algorithm + '\'' +
", hash='" + hash + '\'' +
", signature='" + signature + '\'' +
", certificate='" + certificate + '\'' +
'}';
}
}
}