com.genexus.webpanels.WebUtils Maven / Gradle / Ivy
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Core classes for the runtime used by Java and Android apps generated with GeneXus
package com.genexus.webpanels;
import java.io.*;
import java.text.CharacterIterator;
import java.text.StringCharacterIterator;
import java.util.ArrayList;
import java.util.Date;
import java.util.Locale;
import java.util.Set;
import com.genexus.*;
import com.genexus.internet.HttpContext;
import com.genexus.diagnostics.core.ILogger;
import com.genexus.diagnostics.core.LogManager;
import com.genexus.xml.XMLReader;
import static com.genexus.util.Encryption.decrypt64;
public class WebUtils
{
public static final ILogger logger = LogManager.getLogger(WebUtils.class);
public static final String STATIC_DYNURL = "genexus.staticweb.dynurl";
public static String encodeCookie(String parm)
{
return PrivateUtilities.URLEncode(parm, "UTF8");
}
public static String decodeCookie(String parm)
{
return com.genexus.util.Encoder.decodeURL(parm);
}
/**
* @deprecated use localutil.parseDateParm(String valueString);
* */
public static Date parseDateParm(String valueString)
{
if (valueString.trim().length() == 0 || !Character.isDigit(valueString.trim().charAt(0)))
return CommonUtil.nullDate();
return CommonUtil.ymdhmsToT_noYL((int) CommonUtil.val(valueString.substring(0, 4)),
(int) CommonUtil.val(valueString.substring(4, 6)),
(int) CommonUtil.val(valueString.substring(6, 8)),
0,
0,
0);
}
/**
* @deprecated use localutil.parseDTimeParm(String valueString);
* */
public static Date parseDTimeParm(String valueString)
{
if (valueString.trim().length() == 0)
return CommonUtil.nullDate();
return CommonUtil.ymdhmsToT_noYL((int) CommonUtil.val(valueString.substring(0, 4)),
(int) CommonUtil.val(valueString.substring(4, 6)),
(int) CommonUtil.val(valueString.substring(6, 8)),
(int) CommonUtil.val(valueString.substring(8, 10)),
(int) CommonUtil.val(valueString.substring(10, 12)),
(int) CommonUtil.val(valueString.substring(12, 14)));
}
public static String getDynURL()
{
return PrivateUtilities.addLastChar(getSystemProperty(STATIC_DYNURL), "/");
}
public static String getSystemProperty(String property)
{
return PrivateUtilities.getSystemProperty(property, "");
}
public static String getHTMLColor(long parm)
{
return "#" + CommonUtil.padl(Long.toHexString(parm), 6, "0");
}
public static String htmlDecode(String str)
{
if (str == null)
return "";
if (str.indexOf("&") < 0)
return str;
StringBuffer buffer = new StringBuffer();
htmlDecode(str, buffer);
return buffer.toString();
}
public static String htmlEncode(String str)
{
return htmlEncode(str, false);
}
public static String htmlEncode(String str, boolean inputValue)
{
final StringBuilder buffer = new StringBuilder();
final StringCharacterIterator iterator = new StringCharacterIterator(str);
char character = iterator.current();
while (character != CharacterIterator.DONE )
{
if (character == '<')
{
buffer.append("<");
}
else if (character == '>')
{
buffer.append(">");
}
else if (character == '\'')
{
htmlEncode(39, buffer);
}
else if (character == '&')
{
buffer.append("&");
}
else if (!inputValue)
{
if (character == '\"')
{
buffer.append(""");
}
else if (character == '\t')
{
htmlEncode(9, buffer);
}
else if (character == '!')
{
htmlEncode(33, buffer);
}
else if (character == '#')
{
htmlEncode(35, buffer);
}
else if (character == '$')
{
htmlEncode(36, buffer);
}
else if (character == '%')
{
htmlEncode(37, buffer);
}
else if (character == '(')
{
htmlEncode(40, buffer);
}
else if (character == ')')
{
htmlEncode(41, buffer);
}
else if (character == '*')
{
htmlEncode(42, buffer);
}
else if (character == '+')
{
htmlEncode(43, buffer);
}
else if (character == ',')
{
htmlEncode(44, buffer);
}
else if (character == '-')
{
htmlEncode(45, buffer);
}
else if (character == '.')
{
htmlEncode(46, buffer);
}
else if (character == '/')
{
htmlEncode(47, buffer);
}
else if (character == ':')
{
htmlEncode(58, buffer);
}
else if (character == ';')
{
htmlEncode(59, buffer);
}
else if (character == '=')
{
htmlEncode(61, buffer);
}
else if (character == '?')
{
htmlEncode(63, buffer);
}
else if (character == '@')
{
htmlEncode(64, buffer);
}
else if (character == '[')
{
htmlEncode(91, buffer);
}
else if (character == '\\')
{
htmlEncode(92, buffer);
}
else if (character == ']')
{
htmlEncode(93, buffer);
}
else if (character == '^')
{
htmlEncode(94, buffer);
}
else if (character == '_')
{
htmlEncode(95, buffer);
}
else if (character == '`')
{
htmlEncode(96, buffer);
}
else if (character == '{')
{
htmlEncode(123, buffer);
}
else if (character == '|')
{
htmlEncode(124, buffer);
}
else if (character == '}')
{
htmlEncode(125, buffer);
}
else if (character == '~')
{
htmlEncode(126, buffer);
}
else
{
buffer.append(character);
}
}
else
{
buffer.append(character);
}
character = iterator.next();
}
return buffer.toString();
}
private static void htmlEncode(Integer i, StringBuilder buffer)
{
String padding = "";
if( i <= 9 )
{
padding = "00";
}
else if( i <= 99 )
{
padding = "0";
}
String number = padding + i.toString();
buffer.append("&#" + number + ";");
}
private static void htmlDecode(String str, StringBuffer buffer)
{
if (str != null)
{
if (str.indexOf("&") < 0)
buffer.append(str);
else
{
int length = str.length();
for (int i = 0; i < length; i++)
{
char ch = str.charAt(i);
if (ch == '&')
{
int index = str.indexOf(";", i);
if (index > 0)
{
String entity = str.substring(i+1, index);
if ((entity.charAt(0) == '#') && (entity.length() > 1))
{
try
{
if ((entity.charAt(1) == 'x') || (entity.charAt(1) == 'X'))
ch = (char)Integer.parseInt(entity.substring(2), 16);
else
ch = (char)Integer.parseInt(entity.substring(1));
i = index;
}
catch (Throwable e) { i++; }
}
else
{
i = index;
char ch2 = '\0';
if (entity.equals("quot")) ch2 = '\"';
else if (entity.equals("amp")) ch2 = '&';
else if (entity.equals("lt")) ch2 = '<';
else if (entity.equals("gt")) ch2 = '>';
else if (entity.equals("nbsp")) ch2 = ' ';
if (ch2 != '\0')
ch = ch2;
else
{
buffer.append('&');
buffer.append(entity);
buffer.append(';');
}
}
}
}
buffer.append(ch);
}
}
}
}
public static String getEncodedContentDisposition(String value, int browserType)
{
int filenameIdx = value.toLowerCase().indexOf("filename");
int eqIdx = value.toLowerCase().indexOf("=", filenameIdx);
if(filenameIdx == -1 || eqIdx == -1 || browserType == HttpContextWeb.BROWSER_SAFARI) { //Safari does not support ContentDisposition Header encoded
return value;
}
String filename = value.substring(eqIdx + 1).trim();
value = value.substring(0, filenameIdx) + String.format("filename*=UTF-8''%1$s; filename=\"%1$s\"", PrivateUtilities.URLEncode(filename, "UTF8").replace('+', ' '));
return value;
}
protected static Object[] parmsToObjectArray(com.genexus.ModelContext context, String parms, String url)
{
String encKey = parmsEncryptionKey(context);
parms = decryptParm(parms, encKey);
// Remove "salt" part from parameter
if (encKey != null && encKey.length() != 0)
{
int questIdx = url.indexOf("?");
if (questIdx != -1)
{
String name = url.substring(0, questIdx);
if (parms.startsWith(name))
{
parms = parms.substring(name.length());
}
}
}
boolean endsWithSeparator = false;
boolean useNamedParameters = ModelContext.getModelContext().getPreferences().getProperty("UseNamedParameters", "1").equals("1") && parms.contains("=");
if ((parms.endsWith(",") && !useNamedParameters) || (parms.endsWith("=") && useNamedParameters)) //Agrego un caracter al final para que el split funcione bien
{
parms = parms + "_";
endsWithSeparator = true;
}
Object[] split = useNamedParameters? parms.split("&") : parms.split(",");
if (endsWithSeparator)
{
split[split.length -1] = useNamedParameters? "_= " : "";
}
Object[] parmsArray;
if (parms.endsWith(","))//Empty parameter at the end
{
parmsArray = new Object[split.length + 1];
parmsArray[parmsArray.length-1] = "";
}
else
{
parmsArray = new Object[split.length];
}
for (int i = 0; i < split.length; i++)
parmsArray[i] = useNamedParameters? GXutil.URLDecode(((String)split[i]).split("=")[1]) :GXutil.URLDecode((String)split[i]);
return parmsArray;
}
public static String decryptParm(Object parm, String encryptionKey) {
String value = parm.toString();
try {
if (!encryptionKey.isEmpty()) {
String strValue = value.toString();
strValue = com.genexus.util.Encryption.uridecrypt64(strValue,
encryptionKey);
if ((CommonUtil.strcmp(CommonUtil.right(strValue, 6),
com.genexus.util.
Encryption.checksum(CommonUtil.
left(strValue, CommonUtil.len(strValue) - 6), 6)) == 0)) {
value = CommonUtil.left(strValue, CommonUtil.len(strValue) - 6);
}
}
return value;
} catch (Exception e) {}
return value;
}
public static String parmsEncryptionKey(com.genexus.ModelContext context)
{
String keySourceType = com.genexus.Application.getClientPreferences().getUSE_ENCRYPTION();
if (keySourceType.isEmpty()) {
return "";
}
return getEncryptionKey(context, keySourceType);
}
public static String getEncryptionKey(com.genexus.ModelContext context, String keySourceType) {
keySourceType = (keySourceType.isEmpty()) ? Application.getClientPreferences().getUSE_ENCRYPTION(): keySourceType;
String encryptionKey;
switch (keySourceType.toUpperCase(Locale.ROOT)) {
case "SESSION":
encryptionKey = decrypt64(((HttpContext) context.getHttpContext()).getCookie("GX_SESSION_ID"), context.getServerKey());
break;
default:
encryptionKey = context.getSiteKey();
break;
}
if (encryptionKey.isEmpty()) {
logger.error(String.format("Encryption Key cannot be empty - Key Source: %s", keySourceType));
}
return encryptionKey;
}
private static final String gxApplicationClassesFileName = "GXApplicationClasses.txt";
private static InputStream getInputStreamFile(Class gxAppClass, String fileName) throws FileNotFoundException {
InputStream is = gxAppClass.getResourceAsStream(fileName);
if (is == null){
is = new FileInputStream(new File(fileName));
}
return is;
}
public static void getGXApplicationClasses(Class gxAppClass, Set> rrcs)
{
try (InputStream is = getInputStreamFile(gxAppClass, gxApplicationClassesFileName);)
{
BufferedReader input = new BufferedReader(new InputStreamReader(is, "UTF8"));
String restClass = input.readLine();
while (restClass != null)
{
try
{
rrcs.add(Class.forName(restClass));
}
catch (ClassNotFoundException e)
{
logger.warn("Could not load Class from GXApplicationClasses file " + e.getMessage(), e);
}
restClass = input.readLine();
}
input.close();
is.close();
rrcs.add(com.genexus.webpanels.GXMultiCall.class);
}
catch (Exception e)
{
logger.error("Could not load Class from GXApplicationClasses file.", e);
}
}
public static void AddExternalServices(Class gxAppClass, Set> rrcs)
{
String classFilePath = gxAppClass.getProtectionDomain().getCodeSource().getLocation().getPath();
String[] files = new File(classFilePath.replaceAll("%20", " ") + gxAppClass.getPackage().getName().replace('.', '/')).list(new FilenameFilter() {
@Override
public boolean accept(File dir, String name) {
return name.endsWith(".services");
}
});
if (files != null) {
for (String fileName : files) {
WebUtils.AddExternalServicesFile(gxAppClass, rrcs, fileName);;
}
}
}
public static void AddExternalServicesFile(Class gxAppClass, Set> rrcs, String servicesClassesFileName)
{
try
{
InputStream is = getInputStreamFile(gxAppClass, servicesClassesFileName);
if (is != null)
{
WebUtils.AddExternalServicesFile(rrcs, null, is);
is.close();
}
}
catch (FileNotFoundException fnfe)
{
}
catch (UnsupportedEncodingException e)
{
logger.error("Error loading External Services classes ", e);
}
catch (IOException ioe)
{
logger.error("Error loading External Services classes ", ioe);
}
}
public static void AddExternalServicesFile(Set> rrcs, ArrayList restImports, InputStream is) {
String xmlstring = PrivateUtilities.BOMInputStreamToStringUTF8(is);
XMLReader reader = new XMLReader();
reader.openFromString(xmlstring);
if (reader.getErrCode() == 0)
{
while (reader.readType(1, "Service") > 0)
{
Class serviceClass = processRestService(reader);
if (serviceClass != null)
if (rrcs != null)
rrcs.add(serviceClass);
else
restImports.add(serviceClass.getName());
}
reader.close();
}
}
public static Class processRestService(XMLReader reader) {
String className = reader.getAttributeByName("fullName");
try {
return Class.forName(className + "_services_rest");
} catch (ClassNotFoundException e) {
logger.warn("Error loading rest service: '" + className + "_services_rest'", e);
return null;
}
}
}
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