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createAsset function update #5936

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createAsset function update #5936

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b6baa3e
createAsset improvements in error checking and capabilities.
Jmr3366 Jan 3, 2026
eaddf53
createAsset improvements in error checking and capabilities.
Jmr3366 Jan 3, 2026
a68e7e7
Merge branch 'develop' into jmr_develop
Jmr3366 Feb 9, 2026
2e3384c
createAsset improvements in error checking and capabilities.
Jmr3366 Feb 9, 2026
d82c6fc
spotless checks
Jmr3366 Feb 9, 2026
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64 changes: 29 additions & 35 deletions src/main/java/net/rptools/maptool/client/functions/TokenImage.java
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Original file line number Diff line number Diff line change
Expand Up @@ -65,9 +65,6 @@ final int getValue() {
public static final String SET_IMAGE = "setImage";
public static final String SET_PORTRAIT = "setTokenPortrait";
public static final String SET_HANDOUT = "setTokenHandout";
public static final String FILE_HEADER_WEBP = "RIFF";
public static final String FILE_HEADER_JPG = "ÿØÿà";
public static final String FILE_HEADER_PNG = "‰PNG";

private TokenImage() {
super(
Expand Down Expand Up @@ -189,46 +186,39 @@ public Object childEvaluate(
FunctionUtil.checkNumberParam(functionName, args, 2, 2);
String imageName = args.get(0).toString();
String imageString = args.get(1).toString();
Asset asset = null;
if (imageName.isEmpty() || imageString.isEmpty()) {
throw new ParserException(
I18N.getText("macro.function.general.paramCannotBeEmpty", functionName));
} else if (imageString.length() > 8) {
Asset asset;
URI uri;
byte[] imageBytes = Base64.decode(imageString);
try {
uri = new URI(imageString);
} catch (URISyntaxException e) {
uri = null;
}
if (uri != null && isValidAssetScheme(uri) && isValidAssetExtension(uri)) {
try {
URL url = uri.toURL();
BufferedImage imageRAW = ImageIO.read(url);
asset = Asset.createImageAsset(imageName, imageRAW);
} catch (MalformedURLException | IllegalArgumentException e) {
throw new ParserException(
I18N.getText("macro.function.input.illegalArgumentType", imageString));
} catch (IOException e1) {
throw new ParserException(I18N.getText("macro.function.html5.invalidURI", imageString));
}
} else {
byte[] imageBytes = Base64.decode(imageString);
String imageCheck;
asset = Asset.createAssetDetectType(imageName, imageBytes);
} catch (Exception e) {
URI uri;
try {
imageCheck = new String(imageBytes, 0, 4);
} catch (Exception e) {
throw new ParserException(I18N.getText("dragdrop.unsupportedType", functionName));
uri = new URI(imageString);
} catch (URISyntaxException e1) {
uri = null;
}
if (imageCheck.equals(FILE_HEADER_WEBP)
|| imageCheck.equals(FILE_HEADER_JPG)
|| imageCheck.equals(FILE_HEADER_PNG)) {
asset = Asset.createImageAsset(imageName, imageBytes);
} else {
throw new ParserException(I18N.getText("dragdrop.unsupportedType", functionName));
if (uri != null && isValidAssetScheme(uri) && isValidAssetExtension(uri)) {
try {
URL url = uri.toURL();
BufferedImage imageRAW = ImageIO.read(url);
asset = Asset.createImageAsset(imageName, imageRAW);
} catch (MalformedURLException | IllegalArgumentException e2) {
throw new ParserException(
I18N.getText("macro.function.input.illegalArgumentType", imageString));
} catch (IOException e3) {
throw new ParserException(
I18N.getText("macro.function.html5.invalidURI", imageString));
}
}
}
AssetManager.putAsset(asset);
return "asset://" + asset.getMD5Key().toString();
if (asset != null) {
AssetManager.putAsset(asset);
return "asset://" + asset.getMD5Key().toString();
}
} else {
throw new ParserException(
I18N.getText("macro.function.general.wrongParamType", functionName));
Expand Down Expand Up @@ -388,9 +378,13 @@ private static Token findImageToken(final String name, String functionName) {
* @param uri The URI to check.
* @return {@code true} if the scheme is valid.
*/
private boolean isValidAssetScheme(URI uri) {
public boolean isValidAssetScheme(URI uri) {
if (uri == null || uri.getScheme() == null) {
return false;
}
return uri.getScheme().equalsIgnoreCase("http")
|| uri.getScheme().equalsIgnoreCase("https")
|| uri.getScheme().equalsIgnoreCase("asset")
|| uri.getScheme().equalsIgnoreCase("lib");
}

Expand Down