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/* 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/. */


#include "nsISupports.idl"

interface nsIFile;
interface nsILoginInfo;
interface nsIPropertyBag;

[scriptable, uuid(d9fee9e2-c649-4c47-8c85-90fbbb5ccf67)]

/*
 * NOTE: This interface is intended to be implemented by modules
 *       providing storage mechanisms for the login manager.
 *       Other code should use the login manager's interfaces
 *       (nsILoginManager), and should not call storage modules
 *       directly.
 */
interface nsILoginManagerStorage : nsISupports {
    /**
     * Initialize the component. Not invoked automatically.
     */
    void init();


    /**
     * Initialize the component, but override the default filename
     * locations. This is primarily used to the unit tests and profile
     * migration.
     *
     * @param aInputFile
     *        File to read for stored logins.
     * @param aOutputFile
     *        If non-null, file to output logins to.
     *
     */
    void initWithFile(in nsIFile aInputFile, in nsIFile aOutputFile);


    /**
     * Store a new login in the storage module.
     *
     * @param aLogin
     *        The login to be added.
     *
     * Default values for the login's nsILoginMetaInfo properties will be
     * created. However, if the caller specifies non-default values, they will
     * be used instead.
     */
    void addLogin(in nsILoginInfo aLogin);


    /**
     * Remove a login from the storage module.
     *
     * @param aLogin
     *        The login to be removed.
     *
     * The specified login must exactly match a stored login. However, the
     * values of any nsILoginMetaInfo properties are ignored.
     */
    void removeLogin(in nsILoginInfo aLogin);


    /**
     * Modify an existing login in the storage module.
     *
     * @param oldLogin
     *        The login to be modified.
     * @param newLoginData
     *        The new login values (either a nsILoginInfo or nsIProperyBag)
     *
     * If newLoginData is a nsILoginInfo, all of the old login's nsILoginInfo
     * properties are changed to the values from newLoginData (but the old
     * login's nsILoginMetaInfo properties are unmodified).
     *
     * If newLoginData is a nsIPropertyBag, only the specified properties
     * will be changed. The nsILoginMetaInfo properties of oldLogin can be
     * changed in this manner.
     *
     * If the propertybag contains an item named "timesUsedIncrement", the
     * login's timesUsed property will be incremented by the item's value.
     */
    void modifyLogin(in nsILoginInfo oldLogin, in nsISupports newLoginData);


    /**
     * Remove all stored logins.
     *
     * The browser sanitization feature allows the user to clear any stored
     * passwords. This interface allows that to be done without getting each
     * login first (which might require knowing the master password).
     *
     */
    void removeAllLogins();


    /**
     * Fetch all logins in the login manager. An array is always returned;
     * if there are no logins the array is empty.
     *
     * @param count
     *        The number of elements in the array. JS callers can simply use
     *        the array's .length property and omit this param.
     * @param logins
     *        An array of nsILoginInfo objects.
     *
     * NOTE: This can be called from JS as:
     *       var logins = pwmgr.getAllLogins();
     *       (|logins| is an array).
     */
    void getAllLogins([optional] out unsigned long count,
                      [retval, array, size_is(count)] out nsILoginInfo logins);


    /**
    * Fetch all logins in the login manager. An array is always returned;
    * if there are no logins the array is empty. This does not decrypt logins
    * before returning the array
    *
    * @param count
    *        The number of elements in the array. JS callers can simply use
    *        the array's .length property and omit this param.
    * @param logins
    *        An array of nsILoginInfo objects.
    *
    * NOTE: This can be called from JS as:
    *       var logins = pwmgr.getAllEncryptedLogins();
    *       (|logins| is an array).
    */
    void getAllEncryptedLogins([optional] out unsigned long count,
                               [retval, array, size_is(count)] out nsILoginInfo logins);


    /**
     * Search for logins in the login manager. An array is always returned;
     * if there are no logins the array is empty.
     *
     * @param count
     *        The number of elements in the array. JS callers can simply use
     *        the array's .length property, and supply an dummy object for
     *        this out param. For example: |searchLogins({}, matchData)|
     * @param matchData
     *        The data used to search. This does not follow the same
     *        requirements as findLogins for those fields. Wildcard matches are
     *        simply not specified.
     * @param logins
     *        An array of nsILoginInfo objects.
     *
     * NOTE: This can be called from JS as:
     *       var logins = pwmgr.searchLogins({}, matchData);
     *       (|logins| is an array).
     */
    void searchLogins(out unsigned long count, in nsIPropertyBag matchData,
                      [retval, array, size_is(count)] out nsILoginInfo logins);


    /**
     * Obtain a list of all hosts for which password saving is disabled.
     *
     * @param count
     *        The number of elements in the array. JS callers can simply use
     *        the array's .length property and omit this param.
     * @param hostnames
     *        An array of hostname strings, in origin URL format without a
     *        pathname. For example: "https://www.site.com".
     *
     * NOTE: This can be called from JS as:
     *       var logins = pwmgr.getAllDisabledHosts();
     */
    void getAllDisabledHosts([optional] out unsigned long count,
                      [retval, array, size_is(count)] out wstring hostnames);


    /**
     * Check to see if saving logins has been disabled for a host.
     *
     * @param aHost
     *        The hostname to check. This argument should be in the origin
     *        URL format, without a pathname. For example: "http://foo.com".
     */
    boolean getLoginSavingEnabled(in AString aHost);


    /**
     * Disable (or enable) storing logins for the specified host. When
     * disabled, the login manager will not prompt to store logins for
     * that host. Existing logins are not affected.
     *
     * @param aHost
     *        The hostname to set. This argument should be in the origin
     *        URL format, without a pathname. For example: "http://foo.com".
     * @param isEnabled
     *        Specify if saving logins should be enabled (true) or
     *        disabled (false)
     */
    void setLoginSavingEnabled(in AString aHost, in boolean isEnabled);


    /**
     * Search for logins matching the specified criteria. Called when looking
     * for logins that might be applicable to a form or authentication request.
     *
     * @param count
     *        The number of elements in the array. JS callers can simply use
     *        the array's .length property, and supply an dummy object for
     *        this out param. For example: |findLogins({}, hostname, ...)|
     * @param aHostname
     *        The hostname to restrict searches to, in URL format. For
     *        example: "http://www.site.com".
     * @param aActionURL
     *        For form logins, this argument should be the URL to which the
     *        form will be submitted. For protocol logins, specify null.
     * @param aHttpRealm
     *        For protocol logins, this argument should be the HTTP Realm
     *        for which the login applies. This is obtained from the
     *        WWW-Authenticate header. See RFC2617. For form logins,
     *        specify null.
     * @param logins
     *        An array of nsILoginInfo objects.
     *
     * NOTE: This can be called from JS as:
     *       var logins = pwmgr.findLogins({}, hostname, ...);
     *
     */
    void findLogins(out unsigned long count, in AString aHostname,
                    in AString aActionURL,   in AString aHttpRealm,
                    [retval, array, size_is(count)] out nsILoginInfo logins);


   /**
    * Search for logins matching the specified criteria, as with
    * findLogins(). This interface only returns the number of matching
    * logins (and not the logins themselves), which allows a caller to
    * check for logins without causing the user to be prompted for a master
    * password to decrypt the logins.
    *
    * @param aHostname
    *        The hostname to restrict searches to. Specify an empty string
    *        to match all hosts. A null value will not match any logins, and
    *        will thus always return a count of 0.
    * @param aActionURL
    *        The URL to which a form login will be submitted. To match any
    *        form login, specify an empty string. To not match any form
    *        login, specify null.
    * @param aHttpRealm
    *        The HTTP Realm for which the login applies. To match logins for
    *        any realm, specify an empty string. To not match logins for any
    *        realm, specify null.
    */
   unsigned long countLogins(in AString aHostname, in AString aActionURL,
                             in AString aHttpRealm);
   /**
    * True when a master password prompt is being shown.
    */
    readonly attribute boolean uiBusy;

   /**
    * True when the master password has already been entered, and so a caller
    * can ask for decrypted logins without triggering a prompt.
    */
    readonly attribute boolean isLoggedIn;
};