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Fixed bugs/vulnerabilities in YamlDatabaseConnector#removeStringFromFile(File)

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This commit is contained in:
Florian CUNY 2019-01-27 09:43:14 +01:00
parent 5334caf7b5
commit 2a66598d2f
1 changed files with 10 additions and 6 deletions
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16
src/main/java/world/bentobox/bentobox/database/yaml/YamlDatabaseConnector.java
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@ -96,21 +96,25 @@ public class YamlDatabaseConnector implements DatabaseConnector {
}
private void removeStringFromFile(File yamlFile) {
try {
PrintWriter writer = null;
try (BufferedReader reader = new BufferedReader(new InputStreamReader(new FileInputStream(yamlFile), StandardCharsets.UTF_8))){
File temp = File.createTempFile("file", ".tmp", yamlFile.getParentFile());
BufferedReader reader = new BufferedReader(new InputStreamReader(new FileInputStream(yamlFile), StandardCharsets.UTF_8));
PrintWriter writer = new PrintWriter(new OutputStreamWriter(new FileOutputStream(temp), StandardCharsets.UTF_8));
writer = new PrintWriter(new OutputStreamWriter(new FileOutputStream(temp), StandardCharsets.UTF_8));
for (String line; (line = reader.readLine()) != null;) {
line = line.replace("!!java.util.UUID", "");
writer.println(line);
}
reader.close();
writer.close();
if (yamlFile.delete()) {
temp.renameTo(yamlFile);
if (!temp.renameTo(yamlFile)) {
plugin.logError("Could not rename fixed Island object. Are the writing permissions correctly setup?");
}
}
} catch (Exception e) {
plugin.logError("Could not fix Island object - skipping - " + e.getMessage());
} finally {
if (writer != null) {
writer.close();
}
}
}