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Ripme now checks file hash before running update; fixed update bug which cased ripme to report every update as new

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This commit is contained in:
cyian-1756 2018-05-30 15:07:00 -04:00
parent 439d00dd11
commit 17f3882057
1 changed files with 17 additions and 7 deletions
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24
src/main/java/com/rarchives/ripme/ui/UpdateUtils.java
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@ -25,6 +25,7 @@ public class UpdateUtils {
private static final String updateJsonURL = "https://raw.githubusercontent.com/" + REPO_NAME + "/master/ripme.json";
private static final String mainFileName = "ripme.jar";
private static final String updateFileName = "ripme.jar.update";
private static JSONObject ripmeJson;
private static String getUpdateJarURL(String latestVersion) {
return "https://github.com/" + REPO_NAME + "/releases/download/" + latestVersion + "/ripme.jar";
@ -60,8 +61,8 @@ public class UpdateUtils {
configUpdateLabel.setText("Current version: " + getThisJarVersion());
}
String jsonString = doc.body().html().replaceAll(""", "\"");
JSONObject json = new JSONObject(jsonString);
JSONArray jsonChangeList = json.getJSONArray("changeList");
ripmeJson = new JSONObject(jsonString);
JSONArray jsonChangeList = ripmeJson.getJSONArray("changeList");
StringBuilder changeList = new StringBuilder();
for (int i = 0; i < jsonChangeList.length(); i++) {
String change = jsonChangeList.getString(i);
@ -71,8 +72,8 @@ public class UpdateUtils {
changeList.append("<br> + ").append(change);
}
String latestVersion = json.getString("latestVersion");
if (!UpdateUtils.isNewerVersion(latestVersion)) {
String latestVersion = ripmeJson.getString("latestVersion");
if (UpdateUtils.isNewerVersion(latestVersion)) {
logger.info("Found newer version: " + latestVersion);
int result = JOptionPane.showConfirmDialog(
null,
@ -153,7 +154,8 @@ public class UpdateUtils {
digest.update(buffer, 0, n);
}
}
return new HexBinaryAdapter().marshal(digest.digest());
// As patch.py writes the hash in lowercase this must return the has in lowercase
return new HexBinaryAdapter().marshal(digest.digest()).toLowerCase();
} catch (NoSuchAlgorithmException e) {
logger.error("Got error getting file hash " + e.getMessage());
} catch (FileNotFoundException e) {
@ -176,10 +178,18 @@ public class UpdateUtils {
try (FileOutputStream out = new FileOutputStream(updateFileName)) {
out.write(response.bodyAsBytes());
}
String updateHash = createSha256(new File(updateFileName));
logger.info("Download of new version complete; saved to " + updateFileName);
logger.info("Checking hash of update");
logger.info("Hash: " + createSha256(new File(updateFileName)));
if (!ripmeJson.getString("currentHash").equals(updateHash)) {
logger.error("Error: Update has bad hash");
logger.debug("Expected hash: " + ripmeJson.getString("currentHash"));
logger.debug("Actual hash: " + updateHash);
throw new IOException("Got bad file hash");
} else {
logger.info("Hash is good");
}
// Setup updater script
final String batchFile, script;