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package froala.editor.file;
import org.apache.commons.io.FilenameUtils;
import org.apache.commons.lang.ArrayUtils;
import froala.editor.CustomValidation;
/**
* File validation.
*
* @author florin@froala.com
*/
public class FileValidation {
/**
* Allowed file validation default extensions.
*/
public static final String[] allowedFileExtsDefault = new String[] { "txt", "pdf", "doc", "hwp" };
/**
* Allowed file validation default mimetypes.
*/
public static final String[] allowedFileMimeTypesDefault = new String[] { "text/plain", "application/msword",
"application/x-pdf", "application/pdf", "application/haansofthwp" };
/**
* Allowed validation extensions.
*/
protected String[] allowedExts;
/**
* Allowed validation mimetypes.
*/
protected String[] allowedMimeTypes;
/**
* Custom file validation.
*/
protected CustomValidation customValidation;
/**
* Init default file validation settings.
*/
protected void initDefault() {
allowedExts = allowedFileExtsDefault;
allowedMimeTypes = allowedFileMimeTypesDefault;
}
/**
* Constructor. Validates default files with: - allowed file extensions:
* "txt", "pdf", "doc" - allowed mime types: "text/plain",
* "application/msword", "application/x-pdf", "application/pdf"
*/
public FileValidation() {
initDefault();
}
/**
* Constructor.
*
* @param allowedExts
* Allowed validation file extensions.
* @param allowedMimeTypes
* Allowed validation file mimetypes.
*/
public FileValidation(String[] allowedExts, String[] allowedMimeTypes) {
initDefault();
if (allowedExts != null) {
int cnt = allowedExts.length;
this.allowedExts = new String[cnt];
for (int i = 0; i < cnt; i++) {
this.allowedExts[i] = allowedExts[i];
}
}
if (allowedMimeTypes != null) {
int cnt = allowedMimeTypes.length;
this.allowedMimeTypes = new String[cnt];
for (int i = 0; i < cnt; i++) {
this.allowedMimeTypes[i] = allowedMimeTypes[i];
}
}
}
/**
* Constructor.
*
* @param customValidation
* Custom validation.
*/
public FileValidation(CustomValidation customValidation) {
initDefault();
this.customValidation = customValidation;
}
/**
* Check if file is valid. Use only the custom function if provided. Else
* check if the file has an allowed extension and mimetype.
*
* @param filePath
* File path.
* @param mimeType
* File mimetype
* @return
*/
public boolean check(String filePath, String mimeType) {
if (customValidation != null) {
return customValidation.validate(filePath, mimeType);
}
return ArrayUtils.contains(allowedExts, FilenameUtils.getExtension(filePath).toLowerCase())
&& ArrayUtils.contains(allowedMimeTypes, mimeType.toLowerCase());
}
}