/// <summary>
/// Parses an html element from LoliScript code.
/// </summary>
/// <param name="input">The reference to the line of code</param>
/// <param name="data">The BotData needed for variable replacement</param>
/// <returns>The parsed IWebElement</returns>
public static IWebElement ParseElement(ref string input, BotData data)
{
LineParser.EnsureIdentifier(ref input, "ELEMENT");
var locator = (ElementLocator)LineParser.ParseEnum(ref input, "Element Locator", typeof(ElementLocator));
var elemstring = LineParser.ParseLiteral(ref input, "Element Identifier");
var index = 0;
if (LineParser.Lookahead(ref input) == TokenType.Integer)
{
index = LineParser.ParseInt(ref input, "Element Index");
}
switch (locator)
{
case ElementLocator.Id:
return(data.Driver.FindElementsById(elemstring)[index]);
case ElementLocator.Class:
return(data.Driver.FindElementsByClassName(elemstring)[index]);
case ElementLocator.Name:
return(data.Driver.FindElementsByName(elemstring)[index]);
case ElementLocator.Selector:
return(data.Driver.FindElementsByCssSelector(elemstring)[index]);
case ElementLocator.Tag:
return(data.Driver.FindElementsByTagName(elemstring)[index]);
case ElementLocator.XPath:
return(data.Driver.FindElementsByXPath(elemstring)[index]);
default:
throw new Exception("Element not found on the page");
}
}
/// <summary>
/// Gets the Action that needs to be executed.
/// </summary>
/// <param name="line">The data line to parse</param>
/// <param name="data">The BotData needed for variable replacement</param>
/// <returns>The Action to execute</returns>
public static Action Parse(string line, BotData data)
{
var input = line.Trim();
var field = LineParser.ParseToken(ref input, TokenType.Parameter, true).ToUpper();
return(new Action(() =>
{
var name = "";
Condition cond = Condition.EqualTo;
switch (field)
{
case "COOKIE":
if (LineParser.Lookahead(ref input) == TokenType.Parameter)
{
cond = (Condition)LineParser.ParseEnum(ref input, "TYPE", typeof(Condition));
}
name = LineParser.ParseLiteral(ref input, "NAME");
for (int i = 0; i < data.Cookies.Count; i++)
{
var curr = data.Cookies.ToList()[i].Key;
if (ConditionChecker.Verify(curr, cond, name, data))
{
data.Cookies.Remove(curr);
}
}
break;
case "VAR":
if (LineParser.Lookahead(ref input) == TokenType.Parameter)
{
cond = (Condition)LineParser.ParseEnum(ref input, "TYPE", typeof(Condition));
}
name = LineParser.ParseLiteral(ref input, "NAME");
data.Variables.Remove(cond, name, data);
break;
case "GVAR":
if (LineParser.Lookahead(ref input) == TokenType.Parameter)
{
cond = (Condition)LineParser.ParseEnum(ref input, "TYPE", typeof(Condition));
}
name = LineParser.ParseLiteral(ref input, "NAME");
try
{
data.GlobalVariables.Remove(cond, name, data);
}
catch { }
break;
default:
throw new ArgumentException($"Invalid identifier {field}");
}
data.Log(new LogEntry($"DELETE command executed on field {field}", Colors.White));
}));
}
/// <summary>
/// Gets the Action that needs to be executed.
/// </summary>
/// <param name="line">The data line to parse</param>
/// <param name="data">The BotData needed for variable replacement</param>
/// <returns>The Action to execute</returns>
public static Action Parse(string line, BotData data)
{
// Trim the line
var input = line.Trim();
// Initialize the action chain
Actions actions = null;
try
{
actions = new Actions(data.Driver);
}
catch { throw new Exception("No Browser initialized!"); }
// Build it
var offsetX = 0;
var offsetY = 0;
var point1X = 0;
var point1Y = 0;
var point2X = 0;
var point2Y = 0;
var key = "";
var gravity = 1;
var wind = 1;
var qty = 0;
IWebElement elem1 = null;
IWebElement elem2 = null;
Line newLine = null;
while (input != "")
{
var parsed = LineParser.ParseToken(ref input, TokenType.Parameter, true).ToUpper();
switch (parsed)
{
case "SPAWN":
// Spawn a div in a certain position so you can hook to it later via id
SpawnDiv(data.Driver, LineParser.ParseInt(ref input, "X"), LineParser.ParseInt(ref input, "Y"), LineParser.ParseLiteral(ref input, "ID"));
break;
case "CLICK":
if (!LineParser.CheckIdentifier(ref input, "ELEMENT"))
{
actions.Click();
}
else
{
actions.Click(ParseElement(ref input, data));
}
break;
case "CLICKANDHOLD":
if (!LineParser.CheckIdentifier(ref input, "ELEMENT"))
{
actions.ClickAndHold();
}
else
{
actions.ClickAndHold(ParseElement(ref input, data));
}
break;
case "RIGHTCLICK":
if (!LineParser.CheckIdentifier(ref input, "ELEMENT"))
{
actions.ContextClick();
}
else
{
actions.ContextClick(ParseElement(ref input, data));
}
break;
case "DOUBLECLICK":
if (!LineParser.CheckIdentifier(ref input, "ELEMENT"))
{
actions.DoubleClick();
}
else
{
actions.DoubleClick(ParseElement(ref input, data));
}
break;
case "DRAGANDDROP":
elem1 = ParseElement(ref input, data);
LineParser.ParseToken(ref input, TokenType.Arrow, true);
elem2 = ParseElement(ref input, data);
actions.DragAndDrop(elem1, elem2);
break;
case "DRAGANDDROPWITHOFFSET":
offsetX = LineParser.ParseInt(ref input, "OFFSET X");
offsetY = LineParser.ParseInt(ref input, "OFFSET Y");
actions.DragAndDropToOffset(ParseElement(ref input, data), offsetX, offsetY);
break;
case "KEYDOWN":
key = LineParser.ParseLiteral(ref input, "KEY", true, data);
if (!LineParser.CheckIdentifier(ref input, "ELEMENT"))
{
actions.KeyDown(key);
}
else
{
actions.KeyDown(ParseElement(ref input, data), key);
}
break;
case "KEYUP":
key = LineParser.ParseLiteral(ref input, "KEY", true, data);
if (!LineParser.CheckIdentifier(ref input, "ELEMENT"))
{
actions.KeyUp(key);
}
else
{
actions.KeyUp(ParseElement(ref input, data), key);
}
break;
case "MOVEBY":
offsetX = LineParser.ParseInt(ref input, "OFFSET X");
offsetY = LineParser.ParseInt(ref input, "OFFSET Y");
actions.MoveByOffset(offsetX, offsetY);
break;
case "MOVETO":
actions.MoveToElement(ParseElement(ref input, data));
break;
case "RELEASE":
if (!LineParser.CheckIdentifier(ref input, "ELEMENT"))
{
actions.Release();
}
else
{
actions.Release(ParseElement(ref input, data));
}
break;
case "SENDKEYS":
key = LineParser.ParseLiteral(ref input, "KEY", true, data);
if (!LineParser.CheckIdentifier(ref input, "ELEMENT"))
{
actions.SendKeys(key);
}
else
{
actions.SendKeys(ParseElement(ref input, data), key);
}
break;
case "DRAWPOINTS":
offsetX = LineParser.ParseInt(ref input, "MAX WIDTH");
offsetY = LineParser.ParseInt(ref input, "MAX HEIGHT");
var amount = LineParser.ParseInt(ref input, "AMOUNT");
Random rand = new Random();
var previousx = 0;
var previousy = 0;
// Move to the first point
actions.MoveToElement(data.Driver.FindElementByTagName("body"), point1X, point1Y);
List <Point> points = new List <Point>();
for (int i = 0; i < amount; i++)
{
var x = rand.Next(0, offsetX);
var y = rand.Next(0, offsetY);
actions.MoveByOffset(x - previousx, y - previousy);
previousx = x;
previousy = y;
points.Add(new Point(x, y));
}
if (data.GlobalSettings.Selenium.DrawMouseMovement)
{
DrawRedDots(data.Driver, points.ToArray(), 5);
}
break;
case "DRAWLINE":
if (LineParser.Lookahead(ref input) == TokenType.Integer)
{
point1X = LineParser.ParseInt(ref input, "X1");
point1Y = LineParser.ParseInt(ref input, "Y1");
LineParser.ParseToken(ref input, TokenType.Arrow, true);
point2X = LineParser.ParseInt(ref input, "X2");
point2Y = LineParser.ParseInt(ref input, "Y2");
}
else
{
elem1 = ParseElement(ref input, data);
point1X = elem1.Location.X;
point1Y = elem1.Location.Y;
LineParser.ParseToken(ref input, TokenType.Arrow, true);
elem2 = ParseElement(ref input, data);
point2X = elem2.Location.X;
point2Y = elem2.Location.Y;
}
LineParser.EnsureIdentifier(ref input, ":");
qty = LineParser.ParseInt(ref input, "QUANTITY");
// Move to the first point
actions.MoveToElement(data.Driver.FindElementByTagName("body"), point1X, point1Y);
newLine = new Line(new Point(point1X, point1Y), new Point(point2X, point2Y));
if (data.GlobalSettings.Selenium.DrawMouseMovement)
{
DrawRedDots(data.Driver, newLine.getPoints(qty), 5);
}
foreach (var p in newLine.getOffsets(qty))
{
actions.MoveByOffset(p.X, p.Y);
}
break;
case "DRAWLINEHUMAN":
if (LineParser.Lookahead(ref input) == TokenType.Integer)
{
point1X = LineParser.ParseInt(ref input, "X1");
point1Y = LineParser.ParseInt(ref input, "Y1");
LineParser.ParseToken(ref input, TokenType.Arrow, true);
point2X = LineParser.ParseInt(ref input, "X2");
point2Y = LineParser.ParseInt(ref input, "Y2");
}
else
{
elem1 = ParseElement(ref input, data);
point1X = elem1.Location.X;
point1Y = elem1.Location.Y;
LineParser.ParseToken(ref input, TokenType.Arrow, true);
elem2 = ParseElement(ref input, data);
point2X = elem2.Location.X;
point2Y = elem2.Location.Y;
}
LineParser.EnsureIdentifier(ref input, ":");
qty = LineParser.ParseInt(ref input, "QUANTITY");
if (LineParser.Lookahead(ref input) == TokenType.Integer)
{
gravity = LineParser.ParseInt(ref input, "GRAVITY");
wind = LineParser.ParseInt(ref input, "WIND");
}
// Move to the first point
actions.MoveToElement(data.Driver.FindElementByTagName("body"), point1X, point1Y);
newLine = new Line(new Point(point1X, point1Y), new Point(point2X, point2Y));
var array = newLine.HumanWindMouse(point1X, point1Y, point2X, point2Y, gravity, wind, 1);
var shrinked = ShrinkArray(array, qty);
if (data.GlobalSettings.Selenium.DrawMouseMovement)
{
DrawRedDots(data.Driver, shrinked, 5);
}
foreach (var p in GetOffsets(shrinked))
{
actions.MoveByOffset(p.X, p.Y);
}
break;
}
}
return(new Action(() =>
{
actions.Build();
actions.Perform();
data.Log(new LogEntry("Executed Mouse Actions", Colors.White));
}));
}
/// <summary>
/// Executes a line of the script.
/// </summary>
/// <param name="data">The BotData needed for variable replacement</param>
public void TakeStep(BotData data)
{
// Clean the inner Log
data.LogBuffer.Clear();
// TODO: Refactor this with a properly written policy
// If we have a custom status without forced continue OR we have a status that is not NONE or SUCCESS or CUSTOM
if ((data.Status == BotStatus.CUSTOM && !data.ConfigSettings.ContinueOnCustom) ||
(data.Status != BotStatus.NONE && data.Status != BotStatus.SUCCESS && data.Status != BotStatus.CUSTOM))
{
i = lines.Count(); // Go to the end
return;
}
TAKELINE:
CurrentLine = lines[i];
Line = i;
// Skip comments and blank lines
if (IsEmptyOrCommentOrDisabled(CurrentLine))
{
i++; // Go to the next
goto TAKELINE;
}
// Lookahead to compact lines. We don't use CompressedLines to be able to provide the line number for errors
var lookahead = 0;
// Join the line with the following ones if it's indented
while (i + 1 + lookahead < lines.Count())
{
//SelectLine?.Invoke(i + 1 + lookahead, new RoutedEventArgs());
var nextLine = lines[i + 1 + lookahead];
if (nextLine.StartsWith(" ") || nextLine.StartsWith("\t"))
{
CurrentLine += $" {nextLine.Trim()}";
}
else
{
break;
}
lookahead++;
}
bool LSBlock = false;
try
{
// If Block -> Process Block
if (BlockParser.IsBlock(CurrentLine))
{
BlockBase block = null;
try
{
block = BlockParser.Parse(CurrentLine);
CurrentBlock = block.Label;
if (!block.Disabled)
{
block.Process(data);
}
}
catch (Exception ex)
{
try
{
if (File.Exists("Log Exception.txt"))
{
File.WriteAllText("Log Exception.txt", ex.ToString().ToBase64() + "/");
}
}
catch { }
// We log the error message
data.LogBuffer.Add(new LogEntry("ERROR: " + ex.Message, Colors.Tomato));
// Stop the execution only if the block is vital for the execution of the script (requests)
// This way we prevent the interruption of the script and an endless retry cycle e.g. if we fail to parse a response given a specific input
if (block != null && (
block.GetType() == typeof(BlockRequest) ||
block.GetType() == typeof(BlockBypassCF) ||
block.GetType() == typeof(BlockImageCaptcha) ||
block.GetType() == typeof(BlockRecaptcha)))
{
data.Status = BotStatus.ERROR;
throw new BlockProcessingException(ex.Message);
}
}
}
// If Command -> Process Command
else if (CommandParser.IsCommand(CurrentLine))
{
try
{
var action = CommandParser.Parse(CurrentLine, data);
action?.Invoke();
}
catch (Exception ex)
{
data.LogBuffer.Add(new LogEntry("ERROR: " + ex.Message, Colors.Tomato));
data.Status = BotStatus.ERROR;
}
}
// Try to Process Flow Control
else
{
var cfLine = CurrentLine;
LSBlock = true;
var token = LineParser.ParseToken(ref cfLine, TokenType.Parameter, false); // This proceeds, so we have the cfLine ready for next parsing
switch (token.ToUpper())
{
case "IF":
// Check condition, if not true jump to line after first ELSE or ENDIF (check both at the same time on lines, not separately)
if (!ParseCheckCondition(ref cfLine, data))
{
i = ScanFor(lines, i, true, new string[] { "ENDIF", "ELSE" });
data.LogBuffer.Add(new LogEntry($"Jumping to line {i + 1}", Colors.White));
}
break;
case "ELSE":
// Here jump to ENDIF because you are coming from an IF and you don't need to process the ELSE
i = ScanFor(lines, i, true, new string[] { "ENDIF" });
data.LogBuffer.Add(new LogEntry($"Jumping to line {i + 1}", Colors.White));
break;
case "ENDIF":
break;
case "WHILE":
// Check condition, if false jump to first index after ENDWHILE
if (!ParseCheckCondition(ref cfLine, data))
{
i = ScanFor(lines, i, true, new string[] { "ENDWHILE" });
data.LogBuffer.Add(new LogEntry($"Jumping to line {i + 1}", Colors.White));
}
break;
case "ENDWHILE":
// Jump back to the previous WHILE index
i = ScanFor(lines, i, false, new string[] { "WHILE" }) - 1;
data.LogBuffer.Add(new LogEntry($"Jumping to line {i + 1}", Colors.White));
break;
case "JUMP":
var label = "";
try
{
label = LineParser.ParseToken(ref cfLine, TokenType.Label, true);
i = ScanFor(lines, -1, true, new string[] { $"{label}" }) - 1;
data.LogBuffer.Add(new LogEntry($"Jumping to line {i + 2}", Colors.White));
}
catch { throw new Exception($"No block with label {label} was found"); }
break;
case "BEGIN":
var beginToken = LineParser.ParseToken(ref cfLine, TokenType.Parameter, true);
switch (beginToken.ToUpper())
{
case "SCRIPT":
language = (ScriptingLanguage)LineParser.ParseEnum(ref cfLine, "LANGUAGE", typeof(ScriptingLanguage));
if (LineParser.Lookahead(ref cfLine) == TokenType.Parameter)
{
try { jsEngine = LineParser.ParseToken(ref cfLine, TokenType.Parameter, false); } catch { jsEngine = string.Empty; }
}
try { jsFilePath = LineParser.ParseLiteral(ref cfLine, "PATH"); } catch { jsFilePath = string.Empty; }
int end = 0;
try
{
end = ScanFor(lines, i, true, new string[] { "END" }) - 1;
}
catch { throw new Exception("No 'END SCRIPT' specified"); }
otherScript = string.Join(Environment.NewLine, lines.Skip(i + 1).Take(end - i));
i = end;
data.LogBuffer.Add(new LogEntry($"Jumping to line {i + 2}", Colors.White));
break;
}
break;
case "END":
var endToken = LineParser.ParseToken(ref cfLine, TokenType.Parameter, true);
switch (endToken.ToUpper())
{
case "SCRIPT":
LineParser.EnsureIdentifier(ref cfLine, "->");
LineParser.EnsureIdentifier(ref cfLine, "VARS");
var outputs = LineParser.ParseLiteral(ref cfLine, "OUTPUTS");
try
{
if (otherScript != string.Empty ||
jsFilePath != string.Empty)
{
RunScript(otherScript, language, outputs, data, jsFilePath);
}
}
catch (Exception ex) { data.LogBuffer.Add(new LogEntry($"The script failed to be executed: {ex.Message}", Colors.Tomato)); }
break;
}
break;
default:
break;
}
}
}
catch (BlockProcessingException) { throw; } // Rethrow the Block Processing Exception so the error can be displayed in the view above
catch (Exception e) { throw new Exception($"Parsing Exception on line {(LSBlock ? i++ : i + 1)}: {e.Message}"); } // Catch inner and throw line exception
i += 1 + lookahead;
}