void ParseLocked(bool forFill, ViewNode viewNode)
{
if (viewNode.GetAutofillHints() != null && viewNode.GetAutofillHints().Length > 0)
{
if (forFill)
{
AutofillFields.Add(new AutofillFieldMetadata(viewNode));
}
else
{
ClientFormData.Add(new FilledAutofillField(viewNode));
}
}
var childrenSize = viewNode.ChildCount;
if (childrenSize > 0)
{
for (int i = 0; i < childrenSize; i++)
{
ParseLocked(forFill, viewNode.GetChildAt(i));
}
}
}
/// <summary>
/// Traverse AssistStructure and add ViewNode metadata to a flat list.
/// </summary>
/// <returns>The parse.</returns>
/// <param name="forFill">If set to <c>true</c> for fill.</param>
/// <param name="isManualRequest"></param>
string Parse(bool forFill, bool isManualRequest)
{
Log.Debug(CommonUtil.Tag, "Parsing structure for " + Structure.ActivityComponent);
var nodes = Structure.WindowNodeCount;
ClientFormData = new FilledAutofillFieldCollection();
String webDomain = null;
_editTextsWithoutHint.Clear();
for (int i = 0; i < nodes; i++)
{
var node = Structure.GetWindowNodeAt(i);
var view = node.RootViewNode;
ParseLocked(forFill, isManualRequest, view, ref webDomain);
}
if (AutofillFields.Empty)
{
var passwordFields = _editTextsWithoutHint
.Where(IsPassword).ToList();
if (!passwordFields.Any())
{
passwordFields = _editTextsWithoutHint.Where(HasPasswordHint).ToList();
}
foreach (var passwordField in passwordFields)
{
AutofillFields.Add(new AutofillFieldMetadata(passwordField, new[] { View.AutofillHintPassword }));
var usernameField = _editTextsWithoutHint.TakeWhile(f => f.AutofillId != passwordField.AutofillId).LastOrDefault();
if (usernameField != null)
{
AutofillFields.Add(new AutofillFieldMetadata(usernameField, new[] { View.AutofillHintUsername }));
}
}
//for some pages with two-step login, we don't see a password field and don't display the autofill for non-manual requests. But if the user forces autofill,
//let's assume it is a username field:
if (isManualRequest && !passwordFields.Any() && _editTextsWithoutHint.Count == 1)
{
AutofillFields.Add(new AutofillFieldMetadata(_editTextsWithoutHint.First(), new[] { View.AutofillHintUsername }));
}
}
//force focused fields to be included in autofill fields when request was triggered manually. This allows to fill fields which are "off" or don't have a hint (in case there are hints)
if (isManualRequest)
{
foreach (AssistStructure.ViewNode editText in _editTextsWithoutHint)
{
if (editText.IsFocused)
{
AutofillFields.Add(new AutofillFieldMetadata(editText, new[] { IsPassword(editText) || HasPasswordHint(editText) ? View.AutofillHintPassword : View.AutofillHintUsername }));
break;
}
}
}
String packageName = Structure.ActivityComponent.PackageName;
if (!string.IsNullOrEmpty(webDomain))
{
bool valid = Kp2aDigitalAssetLinksDataSource.Instance.IsValid(mContext, webDomain, packageName);
if (!valid)
{
CommonUtil.loge($"DAL verification failed for {packageName}/{webDomain}");
webDomain = null;
}
}
if (string.IsNullOrEmpty(webDomain))
{
webDomain = "androidapp://" + packageName;
Log.Debug(CommonUtil.Tag, "no web domain. Using package name.");
}
return(webDomain);
}
void ParseLocked(bool forFill, bool isManualRequest, AssistStructure.ViewNode viewNode, ref string validWebdomain)
{
String webDomain = viewNode.WebDomain;
if (webDomain != null)
{
Log.Debug(CommonUtil.Tag, $"child web domain: {webDomain}");
if (!string.IsNullOrEmpty(validWebdomain))
{
if (webDomain == validWebdomain)
{
throw new Java.Lang.SecurityException($"Found multiple web domains: valid= {validWebdomain}, child={webDomain}");
}
}
else
{
validWebdomain = webDomain;
}
}
string[] viewHints = viewNode.GetAutofillHints();
if (viewHints != null && viewHints.Length == 1 && viewHints.First() == "off" && viewNode.IsFocused &&
isManualRequest)
{
viewHints[0] = "on";
}
CommonUtil.logd("viewHints=" + viewHints);
CommonUtil.logd("class=" + viewNode.ClassName);
CommonUtil.logd("tag=" + (viewNode?.HtmlInfo?.Tag ?? "(null)"));
if (viewNode?.HtmlInfo?.Tag == "input")
{
foreach (var p in viewNode.HtmlInfo.Attributes)
{
CommonUtil.logd("attr=" + p.First + "/" + p.Second);
}
}
if (viewHints != null && viewHints.Length > 0 && viewHints.First() != "on" /*if hint is "on", treat as if there is no hint*/)
{
if (forFill)
{
AutofillFields.Add(new AutofillFieldMetadata(viewNode));
}
else
{
//TODO implement save
throw new NotImplementedException("TODO: Port and use AutoFill hints");
//ClientFormData.Add(new FilledAutofillField(viewNode));
}
}
else
{
if (viewNode.ClassName == "android.widget.EditText" || viewNode?.HtmlInfo?.Tag == "input")
{
_editTextsWithoutHint.Add(viewNode);
}
}
var childrenSize = viewNode.ChildCount;
if (childrenSize > 0)
{
for (int i = 0; i < childrenSize; i++)
{
ParseLocked(forFill, isManualRequest, viewNode.GetChildAt(i), ref validWebdomain);
}
}
}
/// <summary>
/// Traverse AssistStructure and add ViewNode metadata to a flat list.
/// </summary>
/// <returns>The parse.</returns>
/// <param name="forFill">If set to <c>true</c> for fill.</param>
/// <param name="isManualRequest"></param>
AutofillTargetId Parse(bool forFill, bool isManualRequest)
{
AutofillTargetId result = new AutofillTargetId();
CommonUtil.logd("Parsing structure for " + Structure.ActivityComponent);
var nodes = Structure.WindowNodeCount;
ClientFormData = new FilledAutofillFieldCollection();
String webDomain = null;
_editTextsWithoutHint.Clear();
for (int i = 0; i < nodes; i++)
{
var node = Structure.GetWindowNodeAt(i);
var view = node.RootViewNode;
ParseLocked(forFill, isManualRequest, view, ref webDomain);
}
List <AssistStructure.ViewNode> passwordFields = new List <AssistStructure.ViewNode>();
List <AssistStructure.ViewNode> usernameFields = new List <AssistStructure.ViewNode>();
if (AutofillFields.Empty)
{
passwordFields = _editTextsWithoutHint.Where(IsPassword).ToList();
if (!passwordFields.Any())
{
passwordFields = _editTextsWithoutHint.Where(HasPasswordHint).ToList();
}
usernameFields = _editTextsWithoutHint.Where(HasUsernameHint).ToList();
if (usernameFields.Any() == false)
{
foreach (var passwordField in passwordFields)
{
var usernameField = _editTextsWithoutHint
.TakeWhile(f => f.AutofillId != passwordField.AutofillId).LastOrDefault();
if (usernameField != null)
{
usernameFields.Add(usernameField);
}
}
}
if (usernameFields.Any() == false)
{
//for some pages with two-step login, we don't see a password field and don't display the autofill for non-manual requests. But if the user forces autofill,
//let's assume it is a username field:
if (isManualRequest && !passwordFields.Any() && _editTextsWithoutHint.Count == 1)
{
usernameFields.Add(_editTextsWithoutHint.First());
}
}
}
//force focused fields to be included in autofill fields when request was triggered manually. This allows to fill fields which are "off" or don't have a hint (in case there are hints)
if (isManualRequest)
{
foreach (AssistStructure.ViewNode editText in _editTextsWithoutHint)
{
if (editText.IsFocused)
{
if (IsPassword(editText) || HasPasswordHint(editText))
{
passwordFields.Add(editText);
}
else
{
usernameFields.Add(editText);
}
break;
}
}
}
if (forFill)
{
foreach (var uf in usernameFields)
{
AutofillFields.Add(new AutofillFieldMetadata(uf, new[] { View.AutofillHintUsername }));
}
foreach (var pf in passwordFields)
{
AutofillFields.Add(new AutofillFieldMetadata(pf, new[] { View.AutofillHintPassword }));
}
}
else
{
foreach (var uf in usernameFields)
{
ClientFormData.Add(new FilledAutofillField(uf, new[] { View.AutofillHintUsername }));
}
foreach (var pf in passwordFields)
{
ClientFormData.Add(new FilledAutofillField(pf, new[] { View.AutofillHintPassword }));
}
}
result.WebDomain = webDomain;
result.PackageName = Structure.ActivityComponent.PackageName;
if (!string.IsNullOrEmpty(webDomain))
{
result.IncompatiblePackageAndDomain = !kp2aDigitalAssetLinksDataSource.IsTrustedLink(webDomain, result.PackageName);
if (result.IncompatiblePackageAndDomain)
{
CommonUtil.loge($"DAL verification failed for {result.PackageName}/{result.WebDomain}");
}
}
else
{
result.IncompatiblePackageAndDomain = false;
}
return(result);
}
void ParseLocked(bool forFill, bool isManualRequest, AssistStructure.ViewNode viewNode, ref string validWebdomain)
{
String webDomain = viewNode.WebDomain;
if ((PackageId == null) && (!string.IsNullOrWhiteSpace(viewNode.IdPackage)) &&
(viewNode.IdPackage != "android"))
{
PackageId = viewNode.IdPackage;
}
DomainName outDomain;
if (DomainName.TryParse(webDomain, domainSuffixParserCache, out outDomain))
{
webDomain = outDomain.RegisterableDomainName;
}
if (webDomain != null)
{
if (!string.IsNullOrEmpty(validWebdomain))
{
if (webDomain != validWebdomain)
{
throw new Java.Lang.SecurityException($"Found multiple web domains: valid= {validWebdomain}, child={webDomain}");
}
}
else
{
validWebdomain = webDomain;
}
}
string[] viewHints = viewNode.GetAutofillHints();
if (viewHints != null && viewHints.Length == 1 && viewHints.First() == "off" && viewNode.IsFocused &&
isManualRequest)
{
viewHints[0] = "on";
}
if (viewHints != null && viewHints.Any())
{
CommonUtil.logd("viewHints=" + viewHints);
CommonUtil.logd("class=" + viewNode.ClassName);
CommonUtil.logd("tag=" + (viewNode?.HtmlInfo?.Tag ?? "(null)"));
}
if (viewNode?.HtmlInfo?.Tag == "input")
{
foreach (var p in viewNode.HtmlInfo.Attributes)
{
CommonUtil.logd("attr=" + p.First + "/" + p.Second);
}
}
if (viewHints != null && viewHints.Length > 0 && viewHints.First() != "on" /*if hint is "on", treat as if there is no hint*/)
{
if (forFill)
{
AutofillFields.Add(new AutofillFieldMetadata(viewNode));
}
else
{
FilledAutofillField filledAutofillField = new FilledAutofillField(viewNode);
ClientFormData.Add(filledAutofillField);
}
}
else
{
if (viewNode.ClassName == "android.widget.EditText" || viewNode?.HtmlInfo?.Tag == "input")
{
_editTextsWithoutHint.Add(viewNode);
}
}
var childrenSize = viewNode.ChildCount;
if (childrenSize > 0)
{
for (int i = 0; i < childrenSize; i++)
{
ParseLocked(forFill, isManualRequest, viewNode.GetChildAt(i), ref validWebdomain);
}
}
}