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WebGetCommand.java
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WebGetCommand.java
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package net.aufdemrand.denizencore.scripts.commands.core;
import net.aufdemrand.denizencore.DenizenCore;
import net.aufdemrand.denizencore.exceptions.InvalidArgumentsException;
import net.aufdemrand.denizencore.objects.Duration;
import net.aufdemrand.denizencore.objects.Element;
import net.aufdemrand.denizencore.objects.aH;
import net.aufdemrand.denizencore.objects.dList;
import net.aufdemrand.denizencore.scripts.ScriptEntry;
import net.aufdemrand.denizencore.scripts.commands.AbstractCommand;
import net.aufdemrand.denizencore.scripts.commands.Holdable;
import net.aufdemrand.denizencore.utilities.debugging.dB;
import net.aufdemrand.denizencore.utilities.scheduling.Schedulable;
import java.io.*;
import java.net.HttpURLConnection;
import java.net.URL;
public class WebGetCommand extends AbstractCommand implements Holdable {
@Override
public void parseArgs(ScriptEntry scriptEntry) throws InvalidArgumentsException {
for (aH.Argument arg : aH.interpretArguments(scriptEntry.aHArgs)) {
if (!scriptEntry.hasObject("url")) {
scriptEntry.addObject("url", new Element(arg.raw_value));
}
else if (!scriptEntry.hasObject("post")
&& arg.matchesOnePrefix("post")) {
scriptEntry.addObject("post", arg.asElement());
}
else if (!scriptEntry.hasObject("timeout")
&& arg.matchesPrefix("timeout", "t")
&& arg.matchesArgumentType(Duration.class)) {
scriptEntry.addObject("timeout", arg.asType(Duration.class));
}
else if (!scriptEntry.hasObject("headers")
&& arg.matchesPrefix("headers")) {
scriptEntry.addObject("headers", arg.asType(dList.class));
}
else if (!scriptEntry.hasObject("savefile")
&& arg.matchesPrefix("savefile")) {
scriptEntry.addObject("savefile", arg.asElement());
}
else {
arg.reportUnhandled();
}
}
if (!scriptEntry.hasObject("url")) {
throw new InvalidArgumentsException("Must have a valid URL!");
}
Element url = scriptEntry.getElement("url");
if (!url.asString().startsWith("http://") && !url.asString().startsWith("https://")) {
throw new InvalidArgumentsException("Must have a valid (HTTP/HTTPS) URL! Attempted: " + url.asString());
}
scriptEntry.defaultObject("timeout", new Duration(10));
}
@Override
public void execute(final ScriptEntry scriptEntry) {
if (!DenizenCore.getImplementation().allowedToWebget()) {
dB.echoError(scriptEntry.getResidingQueue(), "WebGet disabled by config!");
return;
}
final Element url = scriptEntry.getElement("url");
final Element postData = scriptEntry.getElement("post");
final Duration timeout = scriptEntry.getdObject("timeout");
final dList headers = scriptEntry.getdObject("headers");
final Element saveFile = scriptEntry.getElement("savefile");
if (scriptEntry.dbCallShouldDebug()) {
dB.report(scriptEntry, getName(), url.debug()
+ (postData != null ? postData.debug() : "")
+ (timeout != null ? timeout.debug() : "")
+ (saveFile != null ? saveFile.debug() : "")
+ (headers != null ? headers.debug() : ""));
}
Thread thr = new Thread(new Runnable() {
@Override
public void run() {
webGet(scriptEntry, postData, url, timeout, headers, saveFile);
}
});
thr.start();
}
public void webGet(final ScriptEntry scriptEntry, final Element postData, Element urlp, Duration timeout, dList headers, Element saveFile) {
BufferedReader buffIn = null;
try {
URL url = new URL(urlp.asString().replace(" ", "%20"));
final HttpURLConnection uc = (HttpURLConnection) url.openConnection();
uc.setDoInput(true);
uc.setDoOutput(true);
if (postData != null) {
uc.setRequestMethod("POST");
}
if (headers != null) {
for (String str : headers) {
int ind = str.indexOf('/');
if (ind > 0) {
uc.setRequestProperty(str.substring(0, ind), str.substring(ind + 1));
}
}
}
uc.setConnectTimeout((int) timeout.getMillis());
uc.connect();
if (postData != null) {
uc.getOutputStream().write(postData.asString().getBytes("UTF-8"));
}
final StringBuilder sb = new StringBuilder();
if (saveFile != null) {
File file = new File(saveFile.asString());
if (!DenizenCore.getImplementation().canWriteToFile(file)) {
dB.echoError("Cannot write to that file, as dangerous file paths have been disabled in the Denizen config.");
}
else {
InputStream in = uc.getInputStream();
FileOutputStream fout = new FileOutputStream(file);
byte[] buffer = new byte[8 * 1024];
int len;
while ((len = in.read(buffer)) > 0) {
fout.write(buffer, 0, len);
}
fout.flush();
fout.close();
}
}
else {
buffIn = new BufferedReader(new InputStreamReader(uc.getInputStream()));
// Probably a better way to do this bit.
while (true) {
try {
String temp = buffIn.readLine();
if (temp == null) {
break;
}
sb.append(temp).append("\n");
}
catch (Exception ex) {
break;
}
}
buffIn.close();
buffIn = null;
}
DenizenCore.schedule(new Schedulable() {
@Override
public boolean tick(float seconds) {
try {
scriptEntry.addObject("failed", new Element(uc.getResponseCode() == 200 ? "false" : "true"));
}
catch (Exception e) {
dB.echoError(e);
}
if (saveFile == null) {
scriptEntry.addObject("result", new Element(sb.toString()));
}
scriptEntry.setFinished(true);
return false;
}
});
}
catch (Exception e) {
dB.echoError(e);
try {
DenizenCore.schedule(new Schedulable() {
@Override
public boolean tick(float seconds) {
scriptEntry.addObject("failed", new Element("true"));
scriptEntry.setFinished(true);
return false;
}
});
}
catch (Exception e2) {
dB.echoError(e2);
}
}
finally {
try {
if (buffIn != null) {
buffIn.close();
}
}
catch (Exception e) {
dB.echoError(e);
}
}
}
}