gecko/toolkit/components/passwordmgr/LoginManagerContent.jsm

914 lines
35 KiB
JavaScript

/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
this.EXPORTED_SYMBOLS = ["LoginManagerContent"];
const Ci = Components.interfaces;
const Cr = Components.results;
const Cc = Components.classes;
const Cu = Components.utils;
Cu.import("resource://gre/modules/XPCOMUtils.jsm");
Cu.import("resource://gre/modules/Services.jsm");
Cu.import("resource://gre/modules/PrivateBrowsingUtils.jsm");
var gEnabled = false, gDebug = false, gAutofillForms = true; // these mirror signon.* prefs
var gUseDOMFormHasPassword = false; // use DOMFormHasPassword event for autofill
function log(...pieces) {
function generateLogMessage(args) {
let strings = ['Login Manager (content):'];
args.forEach(function(arg) {
if (typeof arg === 'string') {
strings.push(arg);
} else if (typeof arg === 'undefined') {
strings.push('undefined');
} else if (arg === null) {
strings.push('null');
} else {
try {
strings.push(JSON.stringify(arg, null, 2));
} catch(err) {
strings.push("<<something>>");
}
}
});
return strings.join(' ');
}
if (!gDebug)
return;
let message = generateLogMessage(pieces);
dump(message + "\n");
Services.console.logStringMessage(message);
}
var observer = {
QueryInterface : XPCOMUtils.generateQI([Ci.nsIObserver,
Ci.nsIFormSubmitObserver,
Ci.nsISupportsWeakReference]),
// nsIFormSubmitObserver
notify : function (formElement, aWindow, actionURI) {
log("observer notified for form submission.");
// We're invoked before the content's |onsubmit| handlers, so we
// can grab form data before it might be modified (see bug 257781).
try {
LoginManagerContent._onFormSubmit(formElement);
} catch (e) {
log("Caught error in onFormSubmit:", e);
}
return true; // Always return true, or form submit will be canceled.
},
onPrefChange : function() {
gDebug = Services.prefs.getBoolPref("signon.debug");
gEnabled = Services.prefs.getBoolPref("signon.rememberSignons");
gAutofillForms = Services.prefs.getBoolPref("signon.autofillForms");
gUseDOMFormHasPassword = Services.prefs.getBoolPref("signon.useDOMFormHasPassword");
},
};
Services.obs.addObserver(observer, "earlyformsubmit", false);
var prefBranch = Services.prefs.getBranch("signon.");
prefBranch.addObserver("", observer.onPrefChange, false);
observer.onPrefChange(); // read initial values
var LoginManagerContent = {
__formFillService : null, // FormFillController, for username autocompleting
get _formFillService() {
if (!this.__formFillService)
this.__formFillService =
Cc["@mozilla.org/satchel/form-fill-controller;1"].
getService(Ci.nsIFormFillController);
return this.__formFillService;
},
onContentLoaded : function (event) {
// If we're using the new DOMFormHasPassword event, don't fill at pageload.
if (gUseDOMFormHasPassword)
return;
if (!event.isTrusted)
return;
if (!gEnabled)
return;
let domDoc = event.target;
// Only process things which might have HTML forms.
if (!(domDoc instanceof Ci.nsIDOMHTMLDocument))
return;
this._fillDocument(domDoc);
},
onFormPassword: function (event) {
// If we're not using the new DOMFormHasPassword event, only fill at pageload.
if (!gUseDOMFormHasPassword)
return;
if (!event.isTrusted)
return;
if (!gEnabled)
return;
let form = event.target;
let doc = form.ownerDocument;
log("onFormPassword for", doc.documentURI);
// If there are no logins for this site, bail out now.
let formOrigin = LoginUtils._getPasswordOrigin(doc.documentURI);
if (!Services.logins.countLogins(formOrigin, "", null))
return;
// If we're currently displaying a master password prompt, defer
// processing this form until the user handles the prompt.
if (Services.logins.uiBusy) {
log("deferring onFormPassword for", doc.documentURI);
let self = this;
let observer = {
QueryInterface: XPCOMUtils.generateQI([Ci.nsIObserver, Ci.nsISupportsWeakReference]),
observe: function (subject, topic, data) {
log("Got deferred onFormPassword notification:", topic);
// Only run observer once.
Services.obs.removeObserver(this, "passwordmgr-crypto-login");
Services.obs.removeObserver(this, "passwordmgr-crypto-loginCanceled");
if (topic == "passwordmgr-crypto-loginCanceled")
return;
self.onFormPassword(event);
},
handleEvent : function (event) {
// Not expected to be called
}
};
// Trickyness follows: We want an observer, but don't want it to
// cause leaks. So add the observer with a weak reference, and use
// a dummy event listener (a strong reference) to keep it alive
// until the form is destroyed.
Services.obs.addObserver(observer, "passwordmgr-crypto-login", true);
Services.obs.addObserver(observer, "passwordmgr-crypto-loginCanceled", true);
form.addEventListener("mozCleverClosureHack", observer);
return;
}
let autofillForm = gAutofillForms && !PrivateBrowsingUtils.isWindowPrivate(doc.defaultView);
this._fillForm(form, autofillForm, false, false, null);
},
/*
* onUsernameInput
*
* Listens for DOMAutoComplete and blur events on an input field.
*/
onUsernameInput : function(event) {
if (!event.isTrusted)
return;
if (!gEnabled)
return;
var acInputField = event.target;
// This is probably a bit over-conservatative.
if (!(acInputField.ownerDocument instanceof Ci.nsIDOMHTMLDocument))
return;
if (!this._isUsernameFieldType(acInputField))
return;
var acForm = acInputField.form;
if (!acForm)
return;
// If the username is blank, bail out now -- we don't want
// fillForm() to try filling in a login without a username
// to filter on (bug 471906).
if (!acInputField.value)
return;
log("onUsernameInput from", event.type);
// Make sure the username field fillForm will use is the
// same field as the autocomplete was activated on.
var [usernameField, passwordField, ignored] =
this._getFormFields(acForm, false);
if (usernameField == acInputField && passwordField) {
// If the user has a master password but itsn't logged in, bail
// out now to prevent annoying prompts.
if (!Services.logins.isLoggedIn)
return;
this._fillForm(acForm, true, true, true, null);
} else {
// Ignore the event, it's for some input we don't care about.
}
},
/*
* _getPasswordFields
*
* 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++) {
var element = form.elements[i];
if (!(element instanceof Ci.nsIDOMHTMLInputElement) ||
element.type != "password")
continue;
if (skipEmptyFields && !element.value)
continue;
pwFields[pwFields.length] = {
index : i,
element : element
};
}
// If too few or too many fields, bail out.
if (pwFields.length == 0) {
log("(form ignored -- no password fields.)");
return null;
} else if (pwFields.length > 3) {
log("(form ignored -- too many password fields. [ got ",
pwFields.length, "])");
return null;
}
return pwFields;
},
_isUsernameFieldType: function(element) {
if (!(element instanceof Ci.nsIDOMHTMLInputElement))
return false;
let fieldType = (element.hasAttribute("type") ?
element.getAttribute("type").toLowerCase() :
element.type);
if (fieldType == "text" ||
fieldType == "email" ||
fieldType == "url" ||
fieldType == "tel" ||
fieldType == "number") {
return true;
}
return false;
},
/*
* _getFormFields
*
* 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;
// 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];
// 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--) {
var element = form.elements[i];
if (this._isUsernameFieldType(element)) {
usernameField = element;
break;
}
}
if (!usernameField)
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];
// 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.
log("(form ignored -- all 3 pw fields differ)");
return [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];
},
/*
* _isAutoCompleteDisabled
*
* Returns true if the page requests autocomplete be disabled for the
* specified form input.
*/
_isAutocompleteDisabled : function (element) {
if (element && element.hasAttribute("autocomplete") &&
element.getAttribute("autocomplete").toLowerCase() == "off")
return true;
return false;
},
/*
* _onFormSubmit
*
* Called by the our observer when notified of a form submission.
* [Note that this happens before any DOM onsubmit handlers are invoked.]
* Looks for a password change in the submitted form, so we can update
* our stored password.
*/
_onFormSubmit : function (form) {
// For E10S this will need to move.
function getPrompter(aWindow) {
var prompterSvc = Cc["@mozilla.org/login-manager/prompter;1"].
createInstance(Ci.nsILoginManagerPrompter);
prompterSvc.init(aWindow);
return prompterSvc;
}
var doc = form.ownerDocument;
var win = doc.defaultView;
if (PrivateBrowsingUtils.isWindowPrivate(win)) {
// We won't do anything in private browsing mode anyway,
// so there's no need to perform further checks.
log("(form submission ignored in private browsing mode)");
return;
}
// If password saving is disabled (globally or for host), bail out now.
if (!gEnabled)
return;
var hostname = LoginUtils._getPasswordOrigin(doc.documentURI);
if (!hostname) {
log("(form submission ignored -- invalid hostname)");
return;
}
var formSubmitURL = LoginUtils._getActionOrigin(form)
if (!Services.logins.getLoginSavingEnabled(hostname)) {
log("(form submission ignored -- saving is disabled for:", hostname, ")");
return;
}
// Get the appropriate fields from the form.
var [usernameField, newPasswordField, oldPasswordField] =
this._getFormFields(form, true);
// Need at least 1 valid password field to do anything.
if (newPasswordField == null)
return;
// Check for autocomplete=off attribute. We don't use it to prevent
// autofilling (for existing logins), but won't save logins when it's
// present.
// XXX spin out a bug that we don't update timeLastUsed in this case?
if (this._isAutocompleteDisabled(form) ||
this._isAutocompleteDisabled(usernameField) ||
this._isAutocompleteDisabled(newPasswordField) ||
this._isAutocompleteDisabled(oldPasswordField)) {
log("(form submission ignored -- autocomplete=off found)");
return;
}
var formLogin = Cc["@mozilla.org/login-manager/loginInfo;1"].
createInstance(Ci.nsILoginInfo);
formLogin.init(hostname, formSubmitURL, null,
(usernameField ? usernameField.value : ""),
newPasswordField.value,
(usernameField ? usernameField.name : ""),
newPasswordField.name);
// If we didn't find a username field, but seem to be changing a
// password, allow the user to select from a list of applicable
// logins to update the password for.
if (!usernameField && oldPasswordField) {
var logins = Services.logins.findLogins({}, hostname, formSubmitURL, null);
if (logins.length == 0) {
// Could prompt to save this as a new password-only login.
// This seems uncommon, and might be wrong, so ignore.
log("(no logins for this host -- pwchange ignored)");
return;
}
var prompter = getPrompter(win);
if (logins.length == 1) {
var oldLogin = logins[0];
formLogin.username = oldLogin.username;
formLogin.usernameField = oldLogin.usernameField;
prompter.promptToChangePassword(oldLogin, formLogin);
} else {
prompter.promptToChangePasswordWithUsernames(
logins, logins.length, formLogin);
}
return;
}
// Look for an existing login that matches the form login.
var existingLogin = null;
var logins = Services.logins.findLogins({}, hostname, formSubmitURL, null);
for (var i = 0; i < logins.length; i++) {
var same, login = logins[i];
// If one login has a username but the other doesn't, ignore
// the username when comparing and only match if they have the
// same password. Otherwise, compare the logins and match even
// if the passwords differ.
if (!login.username && formLogin.username) {
var restoreMe = formLogin.username;
formLogin.username = "";
same = formLogin.matches(login, false);
formLogin.username = restoreMe;
} else if (!formLogin.username && login.username) {
formLogin.username = login.username;
same = formLogin.matches(login, false);
formLogin.username = ""; // we know it's always blank.
} else {
same = formLogin.matches(login, true);
}
if (same) {
existingLogin = login;
break;
}
}
if (existingLogin) {
log("Found an existing login matching this form submission");
// Change password if needed.
if (existingLogin.password != formLogin.password) {
log("...passwords differ, prompting to change.");
prompter = getPrompter(win);
prompter.promptToChangePassword(existingLogin, formLogin);
} else {
// Update the lastUsed timestamp.
var propBag = Cc["@mozilla.org/hash-property-bag;1"].
createInstance(Ci.nsIWritablePropertyBag);
propBag.setProperty("timeLastUsed", Date.now());
propBag.setProperty("timesUsedIncrement", 1);
Services.logins.modifyLogin(existingLogin, propBag);
}
return;
}
// Prompt user to save login (via dialog or notification bar)
prompter = getPrompter(win);
prompter.promptToSavePassword(formLogin);
},
/*
* _fillDocument
*
* Called when a page has loaded. For each form in the document,
* we check to see if it can be filled with a stored login.
*/
_fillDocument : function (doc) {
var forms = doc.forms;
if (!forms || forms.length == 0)
return;
var formOrigin = LoginUtils._getPasswordOrigin(doc.documentURI);
// If there are no logins for this site, bail out now.
if (!Services.logins.countLogins(formOrigin, "", null))
return;
// If we're currently displaying a master password prompt, defer
// processing this document until the user handles the prompt.
if (Services.logins.uiBusy) {
log("deferring fillDoc for", doc.documentURI);
let self = this;
let observer = {
QueryInterface: XPCOMUtils.generateQI([Ci.nsIObserver, Ci.nsISupportsWeakReference]),
observe: function (subject, topic, data) {
log("Got deferred fillDoc notification:", topic);
// Only run observer once.
Services.obs.removeObserver(this, "passwordmgr-crypto-login");
Services.obs.removeObserver(this, "passwordmgr-crypto-loginCanceled");
if (topic == "passwordmgr-crypto-loginCanceled")
return;
self._fillDocument(doc);
},
handleEvent : function (event) {
// Not expected to be called
}
};
// Trickyness follows: We want an observer, but don't want it to
// cause leaks. So add the observer with a weak reference, and use
// a dummy event listener (a strong reference) to keep it alive
// until the document is destroyed.
Services.obs.addObserver(observer, "passwordmgr-crypto-login", true);
Services.obs.addObserver(observer, "passwordmgr-crypto-loginCanceled", true);
doc.addEventListener("mozCleverClosureHack", observer);
return;
}
log("fillDocument processing", forms.length, "forms on", doc.documentURI);
var autofillForm = gAutofillForms && !PrivateBrowsingUtils.isWindowPrivate(doc.defaultView);
var previousActionOrigin = null;
var foundLogins = null;
// Limit the number of forms we try to fill. If there are too many
// forms, just fill some at the beginning and end of the page.
const MAX_FORMS = 40; // assumed to be an even number
var skip_from = -1, skip_to = -1;
if (forms.length > MAX_FORMS) {
log("fillDocument limiting number of forms filled to", MAX_FORMS);
let chunk_size = MAX_FORMS / 2;
skip_from = chunk_size;
skip_to = forms.length - chunk_size;
}
for (var i = 0; i < forms.length; i++) {
// Skip some in the middle of the document if there were too many.
if (i == skip_from)
i = skip_to;
var form = forms[i];
// Only the actionOrigin might be changing, so if it's the same
// as the last form on the page we can reuse the same logins.
var actionOrigin = LoginUtils._getActionOrigin(form);
if (actionOrigin != previousActionOrigin) {
foundLogins = null;
previousActionOrigin = actionOrigin;
}
log("_fillDocument processing form[", i, "]");
foundLogins = this._fillForm(form, autofillForm, false, false, foundLogins)[1];
} // foreach form
},
/*
* _fillform
*
* Fill the form with login information if we can find it. This will find
* an array of logins if not given any, otherwise it will use the logins
* passed in. The logins are returned so they can be reused for
* optimization. Success of action is also returned in format
* [success, foundLogins]. autofillForm denotes if we should fill the form
* in automatically, ignoreAutocomplete denotes if we should ignore
* autocomplete=off attributes, and foundLogins is an array of nsILoginInfo
* for optimization
*/
_fillForm : function (form, autofillForm, ignoreAutocomplete,
clobberPassword, foundLogins) {
// Heuristically determine what the user/pass fields are
// We do this before checking to see if logins are stored,
// so that the user isn't prompted for a master password
// without need.
var [usernameField, passwordField, ignored] =
this._getFormFields(form, false);
// Need a valid password field to do anything.
if (passwordField == null)
return [false, foundLogins];
// If the password field is disabled or read-only, there's nothing to do.
if (passwordField.disabled || passwordField.readOnly) {
log("not filling form, password field disabled or read-only");
return [false, foundLogins];
}
// Need to get a list of logins if we weren't given them
if (foundLogins == null) {
var formOrigin =
LoginUtils._getPasswordOrigin(form.ownerDocument.documentURI);
var actionOrigin = LoginUtils._getActionOrigin(form);
foundLogins = Services.logins.findLogins({}, formOrigin, actionOrigin, null);
log("found", foundLogins.length, "matching logins.");
} else {
log("reusing logins from last form.");
}
// Discard logins which have username/password values that don't
// fit into the fields (as specified by the maxlength attribute).
// The user couldn't enter these values anyway, and it helps
// with sites that have an extra PIN to be entered (bug 391514)
var maxUsernameLen = Number.MAX_VALUE;
var maxPasswordLen = Number.MAX_VALUE;
// If attribute wasn't set, default is -1.
if (usernameField && usernameField.maxLength >= 0)
maxUsernameLen = usernameField.maxLength;
if (passwordField.maxLength >= 0)
maxPasswordLen = passwordField.maxLength;
var logins = foundLogins.filter(function (l) {
var fit = (l.username.length <= maxUsernameLen &&
l.password.length <= maxPasswordLen);
if (!fit)
log("Ignored", l.username, "login: won't fit");
return fit;
}, this);
// Nothing to do if we have no matching logins available.
if (logins.length == 0)
return [false, foundLogins];
// The reason we didn't end up filling the form, if any. We include
// this in the formInfo object we send with the passwordmgr-found-logins
// notification. See the _notifyFoundLogins docs for possible values.
var didntFillReason = null;
// Attach autocomplete stuff to the username field, if we have
// one. This is normally used to select from multiple accounts,
// but even with one account we should refill if the user edits.
if (usernameField)
this._formFillService.markAsLoginManagerField(usernameField);
// Don't clobber an existing password.
if (passwordField.value && !clobberPassword) {
didntFillReason = "existingPassword";
this._notifyFoundLogins(didntFillReason, usernameField,
passwordField, foundLogins, null);
return [false, foundLogins];
}
// If the form has an autocomplete=off attribute in play, don't
// fill in the login automatically. We check this after attaching
// the autocomplete stuff to the username field, so the user can
// still manually select a login to be filled in.
var isFormDisabled = false;
if (!ignoreAutocomplete &&
(this._isAutocompleteDisabled(form) ||
this._isAutocompleteDisabled(usernameField) ||
this._isAutocompleteDisabled(passwordField))) {
isFormDisabled = true;
log("form not filled, has autocomplete=off");
}
// Variable such that we reduce code duplication and can be sure we
// should be firing notifications if and only if we can fill the form.
var selectedLogin = null;
if (usernameField && (usernameField.value || usernameField.disabled || usernameField.readOnly)) {
// If username was specified in the field, it's disabled or it's readOnly, only fill in the
// password if we find a matching login.
var username = usernameField.value.toLowerCase();
let matchingLogins = logins.filter(function(l)
l.username.toLowerCase() == username);
if (matchingLogins.length) {
selectedLogin = matchingLogins[0];
} else {
didntFillReason = "existingUsername";
log("Password not filled. None of the stored logins match the username already present.");
}
} else if (logins.length == 1) {
selectedLogin = logins[0];
} else {
// We have multiple logins. Handle a special case here, for sites
// which have a normal user+pass login *and* a password-only login
// (eg, a PIN). Prefer the login that matches the type of the form
// (user+pass or pass-only) when there's exactly one that matches.
let matchingLogins;
if (usernameField)
matchingLogins = logins.filter(function(l) l.username);
else
matchingLogins = logins.filter(function(l) !l.username);
if (matchingLogins.length == 1) {
selectedLogin = matchingLogins[0];
} else {
didntFillReason = "multipleLogins";
log("Multiple logins for form, so not filling any.");
}
}
var didFillForm = false;
if (selectedLogin && autofillForm && !isFormDisabled) {
// Fill the form
// Don't modify the username field if it's disabled or readOnly so we preserve its case.
if (usernameField && !(usernameField.disabled || usernameField.readOnly))
usernameField.value = selectedLogin.username;
passwordField.value = selectedLogin.password;
didFillForm = true;
} else if (selectedLogin && !autofillForm) {
// For when autofillForm is false, but we still have the information
// to fill a form, we notify observers.
didntFillReason = "noAutofillForms";
Services.obs.notifyObservers(form, "passwordmgr-found-form", didntFillReason);
log("autofillForms=false but form can be filled; notified observers");
} else if (selectedLogin && isFormDisabled) {
// For when autocomplete is off, but we still have the information
// to fill a form, we notify observers.
didntFillReason = "autocompleteOff";
Services.obs.notifyObservers(form, "passwordmgr-found-form", didntFillReason);
log("autocomplete=off but form can be filled; notified observers");
}
this._notifyFoundLogins(didntFillReason, usernameField, passwordField,
foundLogins, selectedLogin);
return [didFillForm, foundLogins];
},
/**
* Notify observers about an attempt to fill a form that resulted in some
* saved logins being found for the form.
*
* This does not get called if the login manager attempts to fill a form
* but does not find any saved logins. It does, however, get called when
* the login manager does find saved logins whether or not it actually
* fills the form with one of them.
*
* @param didntFillReason {String}
* the reason the login manager didn't fill the form, if any;
* if the value of this parameter is null, then the form was filled;
* otherwise, this parameter will be one of these values:
* existingUsername: the username field already contains a username
* that doesn't match any stored usernames
* existingPassword: the password field already contains a password
* autocompleteOff: autocomplete has been disabled for the form
* or its username or password fields
* multipleLogins: we have multiple logins for the form
* noAutofillForms: the autofillForms pref is set to false
*
* @param usernameField {HTMLInputElement}
* the username field detected by the login manager, if any;
* otherwise null
*
* @param passwordField {HTMLInputElement}
* the password field detected by the login manager
*
* @param foundLogins {Array}
* an array of nsILoginInfos that can be used to fill the form
*
* @param selectedLogin {nsILoginInfo}
* the nsILoginInfo that was/would be used to fill the form, if any;
* otherwise null; whether or not it was actually used depends on
* the value of the didntFillReason parameter
*/
_notifyFoundLogins : function (didntFillReason, usernameField,
passwordField, foundLogins, selectedLogin) {
// We need .setProperty(), which is a method on the original
// nsIWritablePropertyBag. Strangley enough, nsIWritablePropertyBag2
// doesn't inherit from that, so the additional QI is needed.
let formInfo = Cc["@mozilla.org/hash-property-bag;1"].
createInstance(Ci.nsIWritablePropertyBag2).
QueryInterface(Ci.nsIWritablePropertyBag);
formInfo.setPropertyAsACString("didntFillReason", didntFillReason);
formInfo.setPropertyAsInterface("usernameField", usernameField);
formInfo.setPropertyAsInterface("passwordField", passwordField);
formInfo.setProperty("foundLogins", foundLogins.concat());
formInfo.setPropertyAsInterface("selectedLogin", selectedLogin);
Services.obs.notifyObservers(formInfo, "passwordmgr-found-logins", null);
},
};
LoginUtils = {
/*
* _getPasswordOrigin
*
* Get the parts of the URL we want for identification.
*/
_getPasswordOrigin : function (uriString, allowJS) {
var realm = "";
try {
var uri = Services.io.newURI(uriString, null, null);
if (allowJS && uri.scheme == "javascript")
return "javascript:"
realm = uri.scheme + "://" + uri.host;
// If the URI explicitly specified a port, only include it when
// it's not the default. (We never want "http://foo.com:80")
var port = uri.port;
if (port != -1) {
var handler = Services.io.getProtocolHandler(uri.scheme);
if (port != handler.defaultPort)
realm += ":" + port;
}
} catch (e) {
// bug 159484 - disallow url types that don't support a hostPort.
// (although we handle "javascript:..." as a special case above.)
log("Couldn't parse origin for", uriString);
realm = null;
}
return realm;
},
_getActionOrigin : function (form) {
var uriString = form.action;
// A blank or missing action submits to where it came from.
if (uriString == "")
uriString = form.baseURI; // ala bug 297761
return this._getPasswordOrigin(uriString, true);
},
};