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Force a delay between MineSkin requests, fixes #543

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This commit is contained in:
libraryaddict 2021-01-28 05:21:48 +13:00
parent bd732d256d
commit 1c85ba7586
2 changed files with 36 additions and 38 deletions
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73
src/main/java/me/libraryaddict/disguise/utilities/mineskin/MineSkinAPI.java
View File

@ -52,16 +52,25 @@ public class MineSkinAPI {
*
* @param url
*/
public MineSkinResponse generateFromUrl(SkinUtils.SkinCallback callback, String url,
SkinUtils.ModelType modelType) {
public MineSkinResponse generateFromUrl(SkinUtils.SkinCallback callback, String url, SkinUtils.ModelType modelType) {
return doPost(callback, "/generate/url", url, null, modelType);
}
private MineSkinResponse doPost(SkinUtils.SkinCallback callback, String path, String skinUrl, File file,
SkinUtils.ModelType modelType) {
private MineSkinResponse doPost(SkinUtils.SkinCallback callback, String path, String skinUrl, File file, SkinUtils.ModelType modelType) {
lock.lock();
long sleep = nextRequest - System.currentTimeMillis();
if (sleep > 0) {
try {
Thread.sleep(sleep);
} catch (InterruptedException e) {
e.printStackTrace();
}
}
HttpURLConnection connection = null;
long nextRequestIn = TimeUnit.SECONDS.toMillis(10);
try {
URL url = new URL("https://api.mineskin.org" + path);
@ -78,8 +87,7 @@ public class MineSkinAPI {
String charset = "UTF-8";
String CRLF = "\r\n"; // Line separator required by multipart/form-data.
try (OutputStream output = connection.getOutputStream(); PrintWriter writer = new PrintWriter(
new OutputStreamWriter(output, charset), true)) {
try (OutputStream output = connection.getOutputStream(); PrintWriter writer = new PrintWriter(new OutputStreamWriter(output, charset), true)) {
// Send normal param.
writer.append("--").append(boundary).append(CRLF);
writer.append("Content-Disposition: form-data; name=\"visibility\"").append(CRLF);
@ -89,8 +97,7 @@ public class MineSkinAPI {
if (file != null) {
// Send binary file.
writer.append("--").append(boundary).append(CRLF);
writer.append("Content-Disposition: form-data; name=\"file\"; filename=\"").append(file.getName())
.append("\"").append(CRLF);
writer.append("Content-Disposition: form-data; name=\"file\"; filename=\"").append(file.getName()).append("\"").append(CRLF);
writer.append("Content-Type: image/png").append(CRLF);
writer.append("Content-Transfer-Encoding: binary").append(CRLF);
writer.append(CRLF).flush();
@ -115,9 +122,8 @@ public class MineSkinAPI {
}
if (connection.getResponseCode() == 500) {
APIError error = new Gson().fromJson(
new BufferedReader(new InputStreamReader(connection.getErrorStream(), StandardCharsets.UTF_8))
.lines().collect(Collectors.joining("\n")), APIError.class);
APIError error = new Gson().fromJson(new BufferedReader(new InputStreamReader(connection.getErrorStream(), StandardCharsets.UTF_8)).lines()
.collect(Collectors.joining("\n")), APIError.class);
if (error.code == 403) {
callback.onError(LibsMsg.SKIN_API_FAIL_CODE, "" + error.code, LibsMsg.SKIN_API_403.get());
@ -129,8 +135,7 @@ public class MineSkinAPI {
callback.onError(LibsMsg.SKIN_API_FAIL_CODE, "" + error.code, LibsMsg.SKIN_API_TIMEOUT.get());
return null;
} else {
callback.onError(LibsMsg.SKIN_API_FAIL_CODE, "" + error.code,
LibsMsg.SKIN_API_IMAGE_HAS_ERROR.get(error.error));
callback.onError(LibsMsg.SKIN_API_FAIL_CODE, "" + error.code, LibsMsg.SKIN_API_IMAGE_HAS_ERROR.get(error.error));
return null;
}
} else if (connection.getResponseCode() == 400) {
@ -141,45 +146,42 @@ public class MineSkinAPI {
callback.onError(LibsMsg.SKIN_API_BAD_FILE);
return null;
}
} else if (connection.getResponseCode() == 429) {
callback.onError(LibsMsg.SKIN_API_FAIL_TOO_FAST);
return null;
}
// Get the input stream, what we receive
try (InputStream input = connection.getInputStream()) {
// Read it to string
String response = new BufferedReader(new InputStreamReader(input, StandardCharsets.UTF_8)).lines()
.collect(Collectors.joining("\n"));
String response = new BufferedReader(new InputStreamReader(input, StandardCharsets.UTF_8)).lines().collect(Collectors.joining("\n"));
MineSkinResponse skinResponse = new Gson().fromJson(response, MineSkinResponse.class);
nextRequest = System.currentTimeMillis() + (long) (skinResponse.getNextRequest() * 1000);
nextRequestIn = (long) (skinResponse.getNextRequest() * 1000);
return skinResponse;
}
}
catch (SocketTimeoutException ex) {
} catch (SocketTimeoutException ex) {
callback.onError(skinUrl == null ? LibsMsg.SKIN_API_TIMEOUT_ERROR : LibsMsg.SKIN_API_IMAGE_TIMEOUT);
return null;
}
catch (Exception ex) {
nextRequest = System.currentTimeMillis() + TimeUnit.SECONDS.toMillis(10);
} catch (Exception ex) {
try {
if (connection != null && (connection.getResponseCode() == 524 || connection.getResponseCode() == 408 ||
connection.getResponseCode() == 504 || connection.getResponseCode() == 599)) {
if (connection != null && (connection.getResponseCode() == 524 || connection.getResponseCode() == 408 || connection.getResponseCode() == 504 ||
connection.getResponseCode() == 599)) {
callback.onError(LibsMsg.SKIN_API_TIMEOUT_ERROR);
return null;
}
}
catch (IOException e) {
} catch (IOException e) {
}
DisguiseUtilities.getLogger().warning("Failed to access MineSkin.org");
ex.printStackTrace();
callback.onError(LibsMsg.SKIN_API_FAIL);
}
finally {
} finally {
lock.unlock();
nextRequest = System.currentTimeMillis() + nextRequestIn + 1000;
}
return null;
@ -204,8 +206,7 @@ public class MineSkinAPI {
// Get the input stream, what we receive
try (InputStream input = con.getInputStream()) {
// Read it to string
String response = new BufferedReader(new InputStreamReader(input, StandardCharsets.UTF_8)).lines()
.collect(Collectors.joining("\n"));
String response = new BufferedReader(new InputStreamReader(input, StandardCharsets.UTF_8)).lines().collect(Collectors.joining("\n"));
MineSkinResponse skinResponse = new Gson().fromJson(response, MineSkinResponse.class);
@ -213,19 +214,16 @@ public class MineSkinAPI {
return skinResponse;
}
}
catch (Exception ex) {
} catch (Exception ex) {
nextRequest = System.currentTimeMillis() + TimeUnit.SECONDS.toMillis(10);
if (ex.getMessage() != null &&
ex.getMessage().contains("Server returned HTTP response code: 400 for URL")) {
if (ex.getMessage() != null && ex.getMessage().contains("Server returned HTTP response code: 400 for URL")) {
throw new IllegalArgumentException();
}
DisguiseUtilities.getLogger().warning("Failed to access MineSkin.org");
ex.printStackTrace();
}
finally {
} finally {
lock.unlock();
}
@ -237,8 +235,7 @@ public class MineSkinAPI {
*
* @param file
*/
public MineSkinResponse generateFromFile(SkinUtils.SkinCallback callback, File file,
SkinUtils.ModelType modelType) {
public MineSkinResponse generateFromFile(SkinUtils.SkinCallback callback, File file, SkinUtils.ModelType modelType) {
return doPost(callback, "/generate/upload", null, file, modelType);
}
}

1
src/main/java/me/libraryaddict/disguise/utilities/translations/LibsMsg.java
View File

@ -223,6 +223,7 @@ public enum LibsMsg {
SKIN_API_IN_USE(ChatColor.RED + "mineskin.org is currently in use, please try again"),
SKIN_API_TIMER(ChatColor.RED + "mineskin.org can be used again in %s seconds"),
SKIN_API_FAIL(ChatColor.RED + "Unexpected error while accessing mineskin.org, please try again"),
SKIN_API_FAIL_TOO_FAST(ChatColor.RED + "Too many requests accessing mineskin.org, please slow down!"),
SKIN_API_BAD_URL(ChatColor.RED + "Invalid url provided! Please ensure it is a .png file download!"),
SKIN_API_FAILED_URL(ChatColor.RED + "Invalid url provided! mineskin.org failed to grab it!"),
SKIN_API_FAIL_CODE(ChatColor.RED + "Error %s! %s"),