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extension.js code for filling and submiting login forms

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This commit is contained in:
Kyle Spearrin 2016-05-28 00:59:36 -04:00
parent b5a7f9430a
commit 46f480740c
2 changed files with 265 additions and 13 deletions
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17
src/iOS.Extension/ActionViewController.cs
View File

@ -33,21 +33,16 @@ namespace Bit.iOS.Extension
private void Button_TouchUpInside(object sender, EventArgs e)
{
var itemData = new NSDictionary(
new NSString("username"),
new NSString("myusername"),
new NSString("password"),
new NSString("mypassword"));
"username", "me@example.com",
"password", "mypassword",
"autoSubmit", true);
var resultsProvider = new NSItemProvider(
new NSDictionary(NSJavaScriptExtension.FinalizeArgumentKey, itemData),
UTType.PropertyList);
var resultsItem = new NSExtensionItem
{
Attachments = new NSItemProvider[] { resultsProvider }
};
new NSDictionary(NSJavaScriptExtension.FinalizeArgumentKey, itemData), UTType.PropertyList);
var resultsItem = new NSExtensionItem { Attachments = new NSItemProvider[] { resultsProvider } };
var returningItems = new NSExtensionItem[] { resultsItem };
ExtensionContext.CompleteRequest(returningItems, null);
}

261
src/iOS.Extension/extension.js
View File

@ -2,7 +2,7 @@
BitwardenExtension.prototype = {
run: function (arguments) {
console.log("Run");
console.log('Run');
console.log(arguments);
var args = {
@ -13,8 +13,265 @@ BitwardenExtension.prototype = {
arguments.completionFunction(args);
},
finalize: function (arguments) {
console.log("Finalize");
console.log('Finalize');
console.log(arguments);
if (arguments.username || arguments.password) {
this.fillDocument(arguments.username, arguments.password, arguments.autoSubmit);
}
},
getSubmitButton: function (form) {
var button;
for (var i = 0; i < form.elements.length; i++) {
if (form.elements[i].type == 'submit') {
button = form.elements[i];
break;
}
}
if (!button) {
console.log('cannot locate submit button');
return null;
}
return button;
},
// Thanks Mozilla!
// ref: http://mxr.mozilla.org/firefox/source/toolkit/components/passwordmgr/src/nsLoginManager.js?raw=1
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is Mozilla Corporation.
* Portions created by the Initial Developer are Copyright (C) 2007
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Justin Dolske <dolske@mozilla.com> (original author)
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
/*
* Returns an array of password field elements for the specified form.
* If no pw fields are found, or if more than 3 are found, then null
* is returned.
*
* skipEmptyFields can be set to ignore password fields with no value.
*/
getPasswordFields: function (form, skipEmptyFields) {
// Locate the password fields in the form.
var pwFields = [];
for (var i = 0; i < form.elements.length; i++) {
if (form.elements[i].type != 'password') {
continue;
}
if (skipEmptyFields && !form.elements[i].value) {
continue;
}
pwFields[pwFields.length] = {
index: i,
element: form.elements[i]
};
}
// If too few or too many fields, bail out.
if (pwFields.length == 0) {
console.log('form ignored -- no password fields.');
return null;
}
else if (pwFields.length > 3) {
console.log('form ignored -- too many password fields. got ' + pwFields.length + '.');
return null;
}
return pwFields;
},
/*
* Returns the username and password fields found in the form.
* Can handle complex forms by trying to figure out what the
* relevant fields are.
*
* Returns: [usernameField, newPasswordField, oldPasswordField]
*
* usernameField may be null.
* newPasswordField will always be non-null.
* oldPasswordField may be null. If null, newPasswordField is just
* "theLoginField". If not null, the form is apparently a
* change-password field, with oldPasswordField containing the password
* that is being changed.
*/
getFormFields: function (form, isSubmission) {
var usernameField = null,
submitButton = null;
// Locate the password field(s) in the form. Up to 3 supported.
// If there's no password field, there's nothing for us to do.
var pwFields = this.getPasswordFields(form, isSubmission);
if (!pwFields) {
return [null, null, null, null];
}
submitButton = this.getSubmitButton(form);
// Locate the username field in the form by searching backwards
// from the first passwordfield, assume the first text field is the
// username. We might not find a username field if the user is
// already logged in to the site.
for (var i = pwFields[0].index - 1; i >= 0; i--) {
if (form.elements[i].type == 'text'
|| form.elements[i].type == 'email'
|| form.elements[i].type == 'tel') {
usernameField = form.elements[i];
break;
}
}
if (!usernameField) {
console.log('form -- no username field found');
}
// If we're not submitting a form (it's a page load), there are no
// password field values for us to use for identifying fields. So,
// just assume the first password field is the one to be filled in.
if (!isSubmission || pwFields.length == 1) {
return [usernameField, pwFields[0].element, null, submitButton];
}
// Try to figure out WTF is in the form based on the password values.
var oldPasswordField, newPasswordField;
var pw1 = pwFields[0].element.value;
var pw2 = pwFields[1].element.value;
var pw3 = (pwFields[2] ? pwFields[2].element.value : null);
if (pwFields.length == 3) {
// Look for two identical passwords, that's the new password
if (pw1 == pw2 && pw2 == pw3) {
// All 3 passwords the same? Weird! Treat as if 1 pw field.
newPasswordField = pwFields[0].element;
oldPasswordField = null;
}
else if (pw1 == pw2) {
newPasswordField = pwFields[0].element;
oldPasswordField = pwFields[2].element;
}
else if (pw2 == pw3) {
oldPasswordField = pwFields[0].element;
newPasswordField = pwFields[2].element;
}
else if (pw1 == pw3) {
// A bit odd, but could make sense with the right page layout.
newPasswordField = pwFields[0].element;
oldPasswordField = pwFields[1].element;
}
else {
// We can't tell which of the 3 passwords should be saved.
console.log('form ignored -- all 3 pw fields differ');
return [null, null, null, null];
}
}
else { // pwFields.length == 2
if (pw1 == pw2) {
// Treat as if 1 pw field
newPasswordField = pwFields[0].element;
oldPasswordField = null;
}
else {
// Just assume that the 2nd password is the new password
oldPasswordField = pwFields[0].element;
newPasswordField = pwFields[1].element;
}
}
return [usernameField, newPasswordField, oldPasswordField, submitButton];
},
fillDocument: function (username, password, autoSubmit) {
if (!password) {
return;
}
if (!document.forms || document.forms.length === 0) {
return;
}
for (var i = 0; i < document.forms.length; i++) {
var fields = this.getFormFields(document.forms[i], false);
var usernameField = fields[0],
passwordField = fields[1],
submitButton = fields[3];
if (!usernameField && !passwordField) {
console.log('cannot locate fields in form #' + i);
continue;
}
var maxUsernameLength = Number.MAX_VALUE,
maxPasswordLength = Number.MAX_VALUE;
var filledUsername = false,
filledPassword = false;
if (username && usernameField) {
if (usernameField.maxLength >= 0) {
maxUsernameLength = usernameField.maxLength;
}
if (username.length <= maxUsernameLength) {
usernameField.value = username;
filledUsername = true;
}
}
if (passwordField) {
if (passwordField.maxLength >= 0) {
maxPasswordLength = passwordField.maxLength;
}
if (password.length <= maxPasswordLength) {
passwordField.value = password;
filledPassword = true;
}
}
if (autoSubmit && filledPassword && filledPassword) {
setTimeout(function () {
if (submitButton) {
submitButton.click();
}
else {
document.forms[i].submit();
}
}, 500);
break;
}
}
}
};