rife2/bld
rife2/bld
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Added md5 check of snapshot bld distribution to ensure that the latest is always installed.

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This commit is contained in:
Geert Bevin 2023-05-11 21:52:09 -04:00
parent 4f176847c6
commit 0cf76977cc
1 changed files with 50 additions and 12 deletions
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62
src/main/java/rife/bld/wrapper/Wrapper.java
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@ -14,6 +14,8 @@ import java.net.URL;
import java.nio.channels.Channels;
import java.nio.charset.StandardCharsets;
import java.nio.file.*;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.util.*;
import java.util.jar.*;
import java.util.regex.Pattern;
@ -401,17 +403,9 @@ public class Wrapper {
}
var download_version = version;
if (isSnapshot(version)) {
var mata_data_url = downloadUrl(version, "maven-metadata.xml");
String meta_data;
var meta_data_connection = new URL(mata_data_url).openConnection();
meta_data_connection.setUseCaches(false);
meta_data_connection.setRequestProperty("User-Agent", "bld " + version);
try (var in = meta_data_connection.getInputStream()) {
meta_data = new String(in.readAllBytes(), StandardCharsets.UTF_8);
}
var is_snapshot = isSnapshot(version);
if (is_snapshot) {
var meta_data = readString(version, new URL(downloadUrl(version, "maven-metadata.xml")));
var matcher = META_DATA_SNAPSHOT_VERSION.matcher(meta_data);
if (matcher.find()) {
download_version = matcher.group(1);
@ -419,10 +413,26 @@ public class Wrapper {
}
var distribution_file = new File(DISTRIBUTIONS_DIR, bldFileName(version));
var distribution_sources_file = new File(DISTRIBUTIONS_DIR, bldSourcesFileName(version));
if (distribution_file.exists()) {
if (is_snapshot) {
var download_md5 = readString(version, new URL(downloadUrl(version, bldFileName(download_version)) + ".md5"));
try {
var digest = MessageDigest.getInstance("MD5");
digest.update(FileUtils.readBytes(distribution_file));
if (!download_md5.equals(encodeHexLower(digest.digest()))) {
distribution_file.delete();
distribution_sources_file.delete();
}
} catch (NoSuchAlgorithmException ignore) {
}
}
}
if (!distribution_file.exists()) {
downloadDistribution(distribution_file, downloadUrl(version, bldFileName(download_version)));
}
var distribution_sources_file = new File(DISTRIBUTIONS_DIR, bldSourcesFileName(version));
if (!distribution_sources_file.exists()) {
try {
downloadDistribution(distribution_sources_file, downloadUrl(version, bldSourcesFileName(download_version)));
@ -606,4 +616,32 @@ public class Wrapper {
}
return source_files;
}
private String readString(String version, URL url)
throws IOException {
var connection = url.openConnection();
connection.setUseCaches(false);
connection.setRequestProperty("User-Agent", "bld " + version);
try (var in = connection.getInputStream()) {
return new String(in.readAllBytes(), StandardCharsets.UTF_8);
}
}
public static final char[] HEX_DIGITS_LOWER = "0123456789abcdef".toCharArray();
public static void appendHexDigitLower(StringBuilder out, int number) {
out.append(HEX_DIGITS_LOWER[number & 0x0F]);
}
public static String encodeHexLower(byte[] bytes) {
if (bytes == null) {
return null;
}
var out = new StringBuilder();
for (var b : bytes) {
appendHexDigitLower(out, b >> 4);
appendHexDigitLower(out, b);
}
return out.toString();
}
}