public static Download downloadFile(
String url, String output, String cacheName, String md5, DownloadListener listener)
throws IOException {
if (Main.isOffline) return null;
int tries = SettingsUtil.getLoginTries();
File outputFile = new File(output);
File tempfile = File.createTempFile("file", null, GameUpdater.tempDir);
tempfile.mkdirs();
Download download = null;
boolean areFilesIdentical = tempfile.getPath().equalsIgnoreCase(outputFile.getPath());
while (tries > 0) {
Util.logi("Starting download of '%s', with %s trie(s) remaining", url, tries);
tries--;
download = new Download(url, tempfile.getPath());
download.setListener(listener);
download.run();
if (!download.isSuccess()) {
if (download.getOutFile() != null) {
download.getOutFile().delete();
}
Util.log("Download of " + url + " Failed!");
if (listener != null) {
listener.stateChanged("Download Failed, retries remaining: " + tries, 0F);
}
} else {
String fileMD5 = MD5Utils.getMD5(download.getOutFile());
if (md5 == null || fileMD5.equals(md5)) {
Util.logi("Copying: %s to: %s", tempfile, outputFile);
if (!areFilesIdentical) {
GameUpdater.copy(tempfile, outputFile);
}
Util.logi("File Downloaded: %s", outputFile);
} else if (md5 != null && !fileMD5.equals(md5)) {
Util.log("Expected MD5: %s Calculated MD5: %s", md5, fileMD5);
}
break;
}
}
if (cacheName != null) {
if (tempfile.exists()) {
GameUpdater.copy(tempfile, new File(GameUpdater.cacheDir, cacheName));
} else {
Util.log("Could not copy file to cache: %s", tempfile);
}
}
if (!areFilesIdentical) {
tempfile.delete();
}
return download;
}
public static boolean downloadFile(String relativePath) {
if (Main.isOffline) return false;
URL url = null;
File tempFile = null;
try {
String mirrorUrl = MirrorUtils.getMirrorUrl(relativePath, null);
url = new URL(mirrorUrl);
URLConnection con = (url.openConnection());
System.setProperty("http.agent", "");
con.setRequestProperty(
"User-Agent",
"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/534.30 (KHTML, like Gecko) Chrome/12.0.742.100 Safari/534.30");
tempFile = File.createTempFile("Modpack", null);
// Download to temporary file
OutputStream baos = new FileOutputStream(tempFile);
// new FileOutputStream(tempFile)
if (GameUpdater.copy(con.getInputStream(), baos) <= 0) {
Util.log("Download URL was empty: '%s'", url);
return false;
}
// If no Exception then file loaded fine, copy to output file
GameUpdater.copy(tempFile, new File(relativePath));
tempFile.delete();
return true;
} catch (MalformedURLException e) {
Util.log("Download URL badly formed: '%s'", url);
e.printStackTrace();
} catch (FileNotFoundException e) {
Util.log("Could not write to temp file: '%s'", tempFile);
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
return false;
}
public static String getMirrorUrl(
String mirrorURI, String fallbackUrl, DownloadListener listener) {
if (Main.isOffline) return null;
String mirror =
"https://raw.github.com/"
+ Main.repoOwner
+ "/Technic/"
+ Main.repoBranch
+ "/"
+ mirrorURI;
if (isAddressReachable(mirror)) {
return mirror;
} else {
Util.log("Could not connect to repository");
return fallbackUrl;
}
}