Annotation of loncom/interface/resetpw.pm, revision 1.54
1.1 raeburn 1: # The LearningOnline Network
2: # Allow access to password changing via a token sent to user's e-mail.
3: #
1.54 ! raeburn 4: # $Id: resetpw.pm,v 1.53 2025/02/14 22:42:05 raeburn Exp $
1.14 bisitz 5: #
1.1 raeburn 6: # Copyright Michigan State University Board of Trustees
7: #
8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
9: #
10: # LON-CAPA is free software; you can redistribute it and/or modify
11: # it under the terms of the GNU General Public License as published by
12: # the Free Software Foundation; either version 2 of the License, or
13: # (at your option) any later version.
14: #
15: # LON-CAPA is distributed in the hope that it will be useful,
16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18: # GNU General Public License for more details.
19: #
20: # You should have received a copy of the GNU General Public License
21: # along with LON-CAPA; if not, write to the Free Software
22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23: #
24: # /home/httpd/html/adm/gpl.txt
25: #
26: # http://www.lon-capa.org/
27: #
28: #
1.21 raeburn 29:
30: =pod
31:
32: =head1 NAME
33:
1.22 raeburn 34: Apache::resetpw: reset user password.
1.21 raeburn 35:
36: =head1 SYNOPSIS
37:
38: Handles resetting of forgotten passwords.
39:
40: This is part of the LearningOnline Network with CAPA project
41: described at http://www.lon-capa.org.
42:
43: =head1 OVERVIEW
44:
45: A user with an e-mail address associated with his/her LON-CAPA username
1.22 raeburn 46: can reset a forgotten password, using a link sent to the e-mail address
1.21 raeburn 47: if the authentication type for the account is "internal".
48:
49: =cut
50:
1.1 raeburn 51: package Apache::resetpw;
52:
53: use strict;
54: use Apache::Constants qw(:common);
55: use Apache::lonacc;
56: use Apache::lonnet;
57: use Apache::loncommon;
1.44 raeburn 58: use Apache::lonpreferences;
1.1 raeburn 59: use Apache::lonlocal;
60: use LONCAPA;
1.38 raeburn 61: use HTML::Entities;
1.1 raeburn 62:
63: sub handler {
64: my $r = shift;
65: &Apache::loncommon::content_type($r,'text/html');
66: $r->send_http_header;
67: if ($r->header_only) {
68: return OK;
69: }
70: my $contact_name = &mt('LON-CAPA helpdesk');
1.27 raeburn 71: my $origmail = $r->dir_config('lonSupportEMail');
1.1 raeburn 72: my $server = $r->dir_config('lonHostID');
1.19 raeburn 73: my $defdom = &Apache::lonnet::default_login_domain();
1.27 raeburn 74: my $contacts =
75: &Apache::loncommon::build_recipient_list(undef,'helpdeskmail',
76: $defdom,$origmail);
77: my ($contact_email) = split(',',$contacts);
1.26 raeburn 78: my $handle = &Apache::lonnet::check_for_valid_session($r);
79: my $lonidsdir=$r->dir_config('lonIDsDir');
80: if ($handle ne '') {
81: if ($handle=~/^publicuser\_/) {
82: unlink($r->dir_config('lonIDsDir')."/$handle.id");
83: } else {
84: &Apache::lonnet::transfer_profile_to_env($lonidsdir,$handle);
85: }
86: }
1.1 raeburn 87: &Apache::lonacc::get_posted_cgi($r);
88: &Apache::lonlocal::get_language_handle($r);
89: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['token']);
90:
91: my @emailtypes = ('permanentemail','critnotification','notification');
1.38 raeburn 92: my $uname = $env{'form.uname'};
93: $uname =~ s/^\s+|\s+$//g;
94: $uname = &LONCAPA::clean_username($uname);
95: my $udom = &LONCAPA::clean_domain($env{'form.udom'});
1.44 raeburn 96: my ($domdesc,$otherinst,$lookup);
1.38 raeburn 97: if ($udom) {
98: $domdesc = &Apache::lonnet::domain($udom,'description');
99: if ($domdesc) {
1.40 raeburn 100: $otherinst = 1;
101: my @ids=&Apache::lonnet::current_machine_ids();
1.38 raeburn 102: my %servers = &Apache::lonnet::internet_dom_servers($udom);
1.44 raeburn 103: foreach my $hostid (keys(%servers)) {
104: if (grep(/^\Q$hostid\E$/,@ids)) {
1.40 raeburn 105: $otherinst = 0;
106: last;
107: }
1.38 raeburn 108: }
109: }
110: }
1.44 raeburn 111: my $dom_in_effect = $defdom;
112: if (($udom ne '') && ($domdesc ne '')) {
113: unless ($otherinst) {
114: $dom_in_effect = $udom;
115: }
116: }
117: my %passwdconf = &Apache::lonnet::get_passwdconf($dom_in_effect);
1.50 raeburn 118: my $clientip = &Apache::lonnet::get_requestor_ip($r);
1.1 raeburn 119: my $token = $env{'form.token'};
1.44 raeburn 120: my $useremail = $env{'form.useremail'};
121: if (($udom ne '') && (!$otherinst) && (!$token)) {
122: if ($uname ne '') {
123: my $uhome = &Apache::lonnet::homeserver($uname,$udom);
124: if ($uhome eq 'no_host') {
125: my %srch = (srchby => 'uname_ci',
126: srchdomain => $udom,
127: srchterm => $uname,
128: srchtype => 'exact');
129: my %srch_results = &Apache::lonnet::usersearch(\%srch);
130: if (keys(%srch_results) > 1) {
131: $lookup = 'nonunique';
132: if ($useremail =~ /^[^\@]+\@[^\@]+\.[^\@\.]+$/) {
133: foreach my $key (keys(%srch_results)) {
134: if (ref($srch_results{$key}) eq 'HASH') {
135: if ($srch_results{$key}{permanentemail} =~ /^\Q$useremail\E$/i) {
136: ($uname) = split(/:/,$key);
137: undef($lookup);
138: last;
139: }
140: }
141: }
142: }
143: } elsif (keys(%srch_results) == 1) {
144: my $match = (keys(%srch_results))[0];
145: ($uname) = split(/:/,$match);
146: } else {
147: $lookup = 'nomatch';
148: }
149: }
150: }
151: if (($lookup eq 'nomatch') || ($uname eq '')) {
152: if (($useremail =~ /^[^\@]+\@[^\@]+\.[^\@\.]+$/) &&
153: ($passwdconf{'resetprelink'} eq 'either')) {
154: my %srch = (srchby => 'email',
155: srchdomain => $udom,
156: srchterm => $useremail,
157: srchtype => 'exact');
158: my %srch_results = &Apache::lonnet::usersearch(\%srch);
159: if (keys(%srch_results) > 1) {
160: $lookup = 'nonunique';
161: } elsif (keys(%srch_results) == 1) {
162: my $match = (keys(%srch_results))[0];
163: ($uname) = split(/:/,$match);
164: undef($lookup);
165: } else {
166: $lookup = 'nomatch';
167: }
168: }
169: }
170: }
1.26 raeburn 171: my $brcrum = [];
172: if ($token) {
173: push (@{$brcrum},
174: {href => '/adm/resetpw',
175: text => 'Update Password'});
176: } else {
177: push (@{$brcrum},
178: {href => '/adm/resetpw',
179: text => 'Account Information'});
180: if ($uname && $udom) {
181: push (@{$brcrum},
182: {href => '/adm/resetpw',
183: text => 'Result'});
184: }
185: }
1.33 bisitz 186: my $args = {bread_crumbs => $brcrum};
1.38 raeburn 187: my $js;
188: unless ($token || $otherinst || ($uname && $udom)) {
189: my (@intdoms,@instdoms);
190: my $internet_names = &Apache::lonnet::get_internet_names($server);
191: if (ref($internet_names) eq 'ARRAY') {
192: @intdoms = @{$internet_names};
193: }
194: if (@intdoms) {
195: my %iphost = &Apache::lonnet::get_iphost();
196: foreach my $ip (keys(%iphost)) {
197: if (ref($iphost{$ip}) eq 'ARRAY') {
198: foreach my $id (@{$iphost{$ip}}) {
199: my $location = &Apache::lonnet::internet_dom($id);
200: if ($location) {
201: if (grep(/^\Q$location\E$/,@intdoms)) {
202: my $dom = &Apache::lonnet::host_domain($id);
203: unless (grep(/^\Q$dom\E/,@instdoms)) {
204: push(@instdoms,$dom);
205: }
206: }
207: }
208: }
209: }
210: }
211: }
212: my $instdomstr;
213: if (@instdoms > 0) {
214: $instdomstr = "'".join("','",@instdoms)."'";
215: }
216: my %js_lt = &Apache::lonlocal::texthash(
217: thdo => 'The domain you have selected is for another institution.',
218: yowi => 'You will be switched to the Forgot Password utility at that institution.',
219: unam => 'You must enter a username.',
1.44 raeburn 220: mail => 'You must enter an e-mail address.',
221: eith => 'Enter a username and/or an e-mail address.',
1.38 raeburn 222: );
223: &js_escape(\%js_lt);
224: $js = <<"END";
225: function verifyDomain(caller,form) {
226: var redirect = 1;
227: var instdoms = new Array($instdomstr);
228: if (instdoms.length > 0) {
229: for (var i=0; i<instdoms.length; i++) {
230: if (caller.options[caller.selectedIndex].value == instdoms[i]) {
231: redirect = 0;
232: break;
233: }
234: }
235: }
1.44 raeburn 236: if (redirect == 0) {
237: if (caller.options[caller.selectedIndex].value != '$dom_in_effect') {
238: document.forgotpw.uname.value = '';
239: document.forgotpw.useremail.value = '';
240: form.submit();
241: }
242: }
1.38 raeburn 243: if (redirect == 1) {
244: if (confirm('$js_lt{thdo}\\n$js_lt{yowi}')) {
245: form.submit();
1.44 raeburn 246: } else {
247: for (var i=0; i<caller.options.length; i++) {
248: if (caller.option[i].value == '$dom_in_effect') {
249: caller.selectedIndex = i;
250: break;
251: }
252: }
1.38 raeburn 253: }
254: }
255: return;
256: }
257:
1.44 raeburn 258: END
259: if ($passwdconf{resetprelink} eq 'either') {
260: $js .= <<"END";
261: function validInfo() {
262: if ((document.forgotpw.uname.value == '') &&
263: (document.forgotpw.useremail.value == '')) {
264: alert("$js_lt{'eith'}");
265: return false;
266: }
267: return true;
268: }
269: END
270: } else {
271: $js .= <<"END";
272:
1.38 raeburn 273: function validInfo() {
274: if (document.forgotpw.uname.value == '') {
275: alert("$js_lt{'unam'}");
276: return false;
277: }
278: if (document.forgotpw.useremail.value == '') {
279: alert("$js_lt{'mail'}");
280: return false;
281: }
282: return true;
283: }
284: END
1.44 raeburn 285: }
286: }
287: $js = &Apache::lonhtmlcommon::scripttag($js);
288: if (($passwdconf{'captcha'} eq 'recaptcha') && ($passwdconf{'recaptchaversion'} >=2)) {
289: $js.= "\n".'<script src="https://www.google.com/recaptcha/api.js"></script>'."\n";
1.38 raeburn 290: }
291: my $header = &Apache::loncommon::start_page('Reset password',$js,$args).
1.53 raeburn 292: '<div class="LC_landmark" role="banner">'.
293: '<h2 class="LC_heading_2">'.&mt('Reset forgotten LON-CAPA password').'</h2></div>';
1.1 raeburn 294: my $output;
295: if ($token) {
1.53 raeburn 296: $r->print($header.'<div class="LC_landmark" role="main">');
1.50 raeburn 297: &reset_passwd($r,$token,$contact_name,$contact_email,$clientip,\%passwdconf);
1.53 raeburn 298: $r->print('</div>'.&Apache::loncommon::end_page());
1.39 raeburn 299: return OK;
1.38 raeburn 300: } elsif ($udom) {
301: if (!$domdesc) {
302: $output = &invalid_state('baddomain',$domdesc,
303: $contact_name,$contact_email);
304: } elsif ($otherinst) {
1.49 raeburn 305: ($header,$output) = &homeserver_redirect($r,$uname,$udom,$domdesc,$brcrum);
1.44 raeburn 306: } elsif (($uname) || ($useremail)) {
307: my $earlyout;
308: unless ($passwdconf{'captcha'} eq 'unused') {
309: my ($captcha_chk,$captcha_error) =
1.46 raeburn 310: &Apache::loncommon::captcha_response('passwords',$server,$dom_in_effect);
1.44 raeburn 311: if ($captcha_chk != 1) {
312: my $error = 'captcha';
313: if ($passwdconf{'captcha'} eq 'recaptcha') {
314: $error = 'recaptcha';
315: }
316: $output = &invalid_state($error,$domdesc,
1.37 raeburn 317: $contact_name,$contact_email);
1.44 raeburn 318: $earlyout = 1;
319: }
320: }
321: unless ($earlyout) {
322: if ($lookup) {
323: $output = &invalid_state($lookup,$domdesc,
324: $contact_name,$contact_email);
325: $earlyout = 1;
326: }
327: }
328: unless ($earlyout) {
329: my $authtype = &Apache::lonnet::queryauthenticate($uname,$udom);
330: if ($authtype =~ /^internal/) {
331: my ($blocked,$blocktext) =
1.51 raeburn 332: &Apache::loncommon::blocking_status('passwd',$clientip,$uname,$udom);
1.44 raeburn 333: if ($blocked) {
334: $output = '<p class="LC_warning">'.$blocktext.'</p>'
335: .&display_actions($contact_email,$domdesc);
336: } elsif (($passwdconf{'resetprelink'} ne 'either') &&
337: ($useremail !~ /^[^\@]+\@[^\@]+\.[^\@\.]+$/)) {
338: $output = &invalid_state('baduseremail',$domdesc,
339: $contact_name,$contact_email);
340: } else {
341: my %userinfo =
342: &Apache::lonnet::get('environment',\@emailtypes,
343: $udom,$uname);
344: my @allemails;
345: foreach my $type (@emailtypes) {
346: if (ref($passwdconf{resetemail}) eq 'ARRAY') {
347: if ($type eq 'permanentemail') {
348: next unless (grep(/^permanent$/,@{$passwdconf{resetemail}}));
349: } elsif ($type eq 'critnotification') {
350: next unless (grep(/^critical$/,@{$passwdconf{resetemail}}));
351: } elsif ($type eq 'notification') {
352: next unless (grep(/^notify$/,@{$passwdconf{resetemail}}));
353: }
354: }
355: my $email = $userinfo{$type};
356: my @items;
357: if ($email =~ /,/) {
358: @items = split(',',$userinfo{$type});
359: } else {
360: @items = ($email);
361: }
362: foreach my $item (@items) {
363: if ($item =~ /^[^\@]+\@[^\@]+\.[^\@\.]+$/) {
1.46 raeburn 364: unless (grep(/^\Q$item\E$/i,@allemails)) {
1.44 raeburn 365: push(@allemails,$item);
366: }
367: }
368: }
1.38 raeburn 369: }
1.44 raeburn 370: if (@allemails > 0) {
371: my ($sendto,$warning,$timelimit);
372: my $timelimit = 2;
373: if ($passwdconf{'resetlink'} =~ /^\d+(|\.\d*)$/) {
374: $timelimit = $passwdconf{'resetlink'};
375: }
376: if ($passwdconf{'resetprelink'} eq 'either') {
377: if ($useremail ne '') {
378: if (grep(/^\Q$useremail\E$/i,@allemails)) {
379: $sendto = $useremail;
380: } else {
381: $warning = &mt('The e-mail address you entered did not match the expected e-mail address.');
382: }
383: } elsif (@allemails > 1) {
384: $warning = &mt('More than one e-mail address is associated with your username, and one has been selected to receive the message sent by LON-CAPA.');
385: }
386: unless ($sendto) {
387: $sendto = $allemails[0];
388: }
389: } else {
390: if (grep(/^\Q$useremail\E$/i,@allemails)) {
391: $sendto = $useremail;
392: } else {
393: $output = &invalid_state('mismatch',$domdesc,
394: $contact_name,
395: $contact_email);
1.38 raeburn 396: }
1.18 raeburn 397: }
1.44 raeburn 398: if ($sendto) {
399: $output = &send_token($uname,$udom,$sendto,$server,
400: $domdesc,$contact_name,
401: $contact_email,$timelimit,$warning);
402: }
1.38 raeburn 403: } else {
1.44 raeburn 404: $output = &invalid_state('missing',$domdesc,
405: $contact_name,$contact_email);
1.38 raeburn 406: }
1.3 raeburn 407: }
1.44 raeburn 408: } elsif ($authtype =~ /^(krb|unix|local)/) {
409: $output = &invalid_state('authentication',$domdesc,
410: $contact_name,$contact_email);
411: } else {
412: $output = &invalid_state('invalid',$domdesc,
413: $contact_name,$contact_email);
1.1 raeburn 414: }
415: }
416: } else {
1.44 raeburn 417: $output = &get_uname($server,$dom_in_effect,\%passwdconf);
1.1 raeburn 418: }
419: } else {
1.44 raeburn 420: $output = &get_uname($server,$defdom,\%passwdconf);
1.1 raeburn 421: }
1.53 raeburn 422: $r->print($header.'<div class="LC_landmark" role="main">'.$output.'</div>');
1.1 raeburn 423: $r->print(&Apache::loncommon::end_page());
424: return OK;
425: }
426:
427: sub get_uname {
1.44 raeburn 428: my ($server,$defdom,$passwdconf) = @_;
429: return unless (ref($passwdconf) eq 'HASH');
1.1 raeburn 430: my %lt = &Apache::lonlocal::texthash(
1.44 raeburn 431: unam => 'LON-CAPA username',
432: udom => 'LON-CAPA domain',
433: uemail => 'E-mail address in LON-CAPA',
434: vali => 'Validation',
435: proc => 'Proceed');
436: my $msg;
437: unless ($passwdconf->{'resetremove'}) {
438: $msg = '<p>'.&mt('If you use the same account for other campus services besides LON-CAPA, (e.g., e-mail, course registration, etc.), a separate centrally managed mechanism likely exists to reset a password. However, if your account is used for just LON-CAPA access you will probably be able to reset a password from this page.').'</p>';
439: }
440: if ($passwdconf->{'resetcustom'} eq "/res/$defdom/$defdom-domainconfig/customtext/resetpw/resetpw.html") {
441: my $contents = &Apache::lonnet::getfile(&Apache::lonnet::filelocation('',$passwdconf->{'resetcustom'}));
442: unless ($contents eq '-1') {
443: $msg .= $contents;
444: }
445: }
1.52 raeburn 446: $msg .= '<p>'.&mt('Three conditions must be met:').'</p>'
1.8 bisitz 447: .'<ul><li>'.&mt('An e-mail address must have previously been associated with your LON-CAPA username.').'</li>'
448: .'<li>'.&mt('You must be able to access e-mail sent to that address.').'</li>'
1.54 ! raeburn 449: .'<li>'.&mt('Your LON-CAPA account must be of a type for which LON-CAPA can reset a password.').'</li>'
1.52 raeburn 450: .'</ul>';
1.38 raeburn 451: my $onchange = 'javascript:verifyDomain(this,this.form);';
452: $msg .= '<form name="forgotpw" method="post" action="/adm/resetpw" onsubmit="return validInfo();">'.
1.44 raeburn 453: &Apache::lonhtmlcommon::start_pick_box().
1.54 ! raeburn 454: &Apache::lonhtmlcommon::row_title('<label for="udom">'.$lt{'udom'}.'</label>').
1.53 raeburn 455: &Apache::loncommon::select_dom_form($defdom,'udom',undef,undef,$onchange,'','','','udom').
1.26 raeburn 456: &Apache::lonhtmlcommon::row_closure(1).
1.53 raeburn 457: &Apache::lonhtmlcommon::row_title('<label for="uname">'.$lt{'unam'}.'</label>').
1.54 ! raeburn 458: '<input type="text" name="uname" id="uname" size="20" autocapitalize="off" autocorrect="off" />'.
1.44 raeburn 459: &Apache::lonhtmlcommon::row_closure(1).
1.53 raeburn 460: &Apache::lonhtmlcommon::row_title('<label for="useremail">'.$lt{'uemail'}.'</label>').
1.54 ! raeburn 461: '<input type="text" name="useremail" id="useremail" size="30" autocapitalize="off" autocorrect="off" />'.
1.44 raeburn 462: &Apache::lonhtmlcommon::row_closure(1);
463: unless ($passwdconf->{'captcha'} eq 'notused') {
464: my ($captcha_form,$captcha_error,$captcha,$recaptcha_version) =
465: &Apache::loncommon::captcha_display('passwords',$server,$defdom);
466: if ($captcha_form) {
467: $msg .= &Apache::lonhtmlcommon::row_title($lt{'vali'}).
468: $captcha_form."\n".
469: &Apache::lonhtmlcommon::row_closure(1);
470: }
471: }
472: $msg .= &Apache::lonhtmlcommon::end_pick_box().
1.26 raeburn 473: '<br /><br /><input type="submit" name="resetter" value="'.$lt{'proc'}.'" /></form>';
1.1 raeburn 474: return $msg;
475: }
476:
477: sub send_token {
478: my ($uname,$udom,$email,$server,$domdesc,$contact_name,
1.44 raeburn 479: $contact_email,$timelimit,$warning) = @_;
1.29 bisitz 480: my $msg =
481: '<p class="LC_info">'
482: .&mt('Thank you for your request to reset the password for your LON-CAPA account.')
483: .'</p>';
1.1 raeburn 484:
485: my $now = time;
486: my $temppasswd = &create_passwd();
1.48 raeburn 487: my $ip = &Apache::lonnet::get_requestor_ip();
488: my %info = ('ip' => $ip,
1.2 albertel 489: 'time' => $now,
490: 'domain' => $udom,
491: 'username' => $uname,
492: 'email' => $email,
493: 'temppasswd' => $temppasswd);
1.1 raeburn 494:
1.3 raeburn 495: my $token = &Apache::lonnet::tmpput(\%info,$server,'resetpw');
496: if ($token !~ /^error/ && $token ne 'no_such_host') {
1.2 albertel 497: my $esc_token = &escape($token);
1.15 raeburn 498: my $showtime = &Apache::lonlocal::locallocaltime(time);
499: my $reseturl = &Apache::lonnet::absolute_url().'/adm/resetpw?token='.$esc_token;
1.26 raeburn 500: my $mailmsg = &mt('A request was submitted on [_1] for reset of the password for your LON-CAPA account.',$showtime)." \n".&mt('To complete this process please open a web browser and enter the following URL in the address/location box: [_1]',"\n\n".$reseturl);
1.1 raeburn 501: my $result = &send_mail($domdesc,$email,$mailmsg,$contact_name,
502: $contact_email);
503: if ($result eq 'ok') {
1.34 bisitz 504: $msg .=
505: &mt('An e-mail sent to the e-mail address associated with your LON-CAPA account includes the web address for the link you should use to complete the reset process.')
506: .'<br /><br />'
1.44 raeburn 507: .&mt('The link included in the message will be valid for the next [_1][quant,_2,hour][_3].','<b>',$timelimit,'</b>');
1.1 raeburn 508: } else {
1.28 bisitz 509: $msg .=
1.29 bisitz 510: '<p class="LC_error">'
511: .&mt('An error occurred when sending a message to the e-mail address'
512: .' associated with your LON-CAPA account.')
513: .'</p>'
514: .&display_actions($contact_email,$domdesc);
1.1 raeburn 515: }
516: } else {
1.28 bisitz 517: $msg .=
1.29 bisitz 518: '<p class="LC_error">'
519: .&mt('An error occurred creating a token required for the'
520: .' password reset process.')
521: .'</p>'
522: .&display_actions($contact_email,$domdesc);
1.1 raeburn 523: }
524: return $msg;
525: }
526:
527: sub send_mail {
528: my ($domdesc,$email,$mailmsg,$contact_name,$contact_email) = @_;
529: my $outcome;
530: my $requestmail = "To: $email\n".
531: "From: $contact_name <$contact_email>\n".
532: "Subject: ".&mt('Your LON-CAPA account')."\n".
1.25 bisitz 533: "Content-type: text/plain\;charset=UTF-8\n".
1.1 raeburn 534: "\n\n".$mailmsg."\n\n".
535: &mt('[_1] LON-CAPA support team',$domdesc)."\n".
536: "$contact_email\n";
537: if (open(MAIL, "|/usr/lib/sendmail -oi -t -odb")) {
538: print MAIL $requestmail;
539: close(MAIL);
540: $outcome = 'ok';
541: } else {
542: $outcome = 'fail';
543: }
544: return $outcome;
545: }
546:
547: sub invalid_state {
548: my ($error,$domdesc,$contact_name,$contact_email) = @_;
549: my $msg;
550: if ($error eq 'invalid') {
1.29 bisitz 551: $msg =
552: '<p class="LC_warning">'
553: .&mt('The username you provided was not verified as a valid username'
554: .' in the LON-CAPA system for the [_1] domain.','<i>'.$domdesc.'</i>')
555: .'</p>';
556: $msg .= &display_actions($contact_email,$domdesc);
1.1 raeburn 557: } else {
1.44 raeburn 558: if ($error eq 'captcha') {
559: $msg = &mt('Validation of the code you entered failed');
560: } elsif ($error eq 'recaptcha') {
561: $msg = &mt('Validation of human, not robot, failed');
562: } elsif ($error eq 'nonunique') {
563: $msg = &mt('More than one username was identified from the information you provided; try providing both a username and e-mail address');
564: } elsif ($error eq 'nomatch') {
565: $msg = &mt('A valid user could not be identified from the username and/or e-mail address you provided');
566: } elsif ($error eq 'baduseremail') {
1.3 raeburn 567: $msg = &mt('The e-mail address you provided does not appear to be a valid address.');
568: } elsif ($error eq 'mismatch') {
569: $msg = &mt('The e-mail address you provided does not match the address recorded in the LON-CAPA system for the username and domain you provided.');
570: } elsif ($error eq 'missing') {
1.1 raeburn 571: $msg = &mt('A valid e-mail address was not located in the LON-CAPA system for the username and domain you provided.');
572: } elsif ($error eq 'authentication') {
573: $msg = &mt('The username you provided uses an authentication type which can not be reset directly via LON-CAPA.');
1.38 raeburn 574: } elsif ($error eq 'baddomain') {
575: $msg = &mt('The domain you provided was not verified as a valid domain in the LON-CAPA system.');
1.1 raeburn 576: }
1.29 bisitz 577: $msg = '<p class="LC_warning">'.$msg.'</p>'
578: .&display_actions($contact_email,$domdesc);
1.1 raeburn 579: }
580: return $msg;
581: }
582:
1.38 raeburn 583: sub homeserver_redirect {
1.49 raeburn 584: my ($r,$uname,$udom,$domdesc,$brcrum) = @_;
1.42 raeburn 585: my $uhome;
1.43 raeburn 586: if (($uname ne '') && ($udom ne '')) {
1.42 raeburn 587: $uhome = &Apache::lonnet::homeserver($uname,$udom);
588: }
589: if (($uhome eq 'no_host') || ($uhome eq '')) {
1.38 raeburn 590: $uhome = &Apache::lonnet::domain($udom,'primary');
591: }
1.42 raeburn 592: my $hostname = &Apache::lonnet::hostname($uhome);
1.38 raeburn 593: my $protocol = $Apache::lonnet::protocol{$uhome};
594: $protocol = 'http' if ($protocol ne 'https');
1.49 raeburn 595: my $alias = &Apache::lonnet::use_proxy_alias($r,$uhome);
596: $hostname = $alias if ($alias ne '');
1.42 raeburn 597: my $url = $protocol.'://'.$hostname.'/adm/resetpw';
1.38 raeburn 598: # Breadcrumbs
599: my $start_page = &Apache::loncommon::start_page('Switching Server',undef,
600: {'redirect' => [0,$url],
601: 'bread_crumbs' => $brcrum,});
602: my $output = '<p>'.&mt('This LON-CAPA server belongs to a different domain.').' '.
603: &mt('You are being switched to your domain ([_1]), to use the "Forgot Password" tool.',$domdesc).
604: '</p>';
605: return ($start_page,$output);
606: }
607:
1.1 raeburn 608: sub reset_passwd {
1.50 raeburn 609: my ($r,$token,$contact_name,$contact_email,$clientip,$passwdconf) = @_;
1.44 raeburn 610: return unless (ref($passwdconf) eq 'HASH');
1.1 raeburn 611: my %data = &Apache::lonnet::tmpget($token);
612: my $now = time;
613: if (keys(%data) == 0) {
1.39 raeburn 614: $r->print(&mt('Sorry, the URL you provided to complete the reset of your password was invalid. Either the token included in the URL has been deleted or the URL you provided was invalid. Please submit a [_1]new request[_2] for a password reset, and follow the link to the new URL included in the e-mail that will be sent to you, to allow you to enter a new password.'
615: ,'<a href="/adm/resetpw">','</a>')
616: );
617: return;
1.1 raeburn 618: }
619: if (($data{'time'} =~ /^\d+$/) &&
620: ($data{'username'} ne '') &&
621: ($data{'domain'} ne '') &&
1.3 raeburn 622: ($data{'email'} =~ /^[^\@]+\@[^\@]+\.[^\@\.]+$/) &&
1.1 raeburn 623: ($data{'temppasswd'} =~/^\w+$/)) {
1.44 raeburn 624: my $timelimit = 7200;
625: if ($passwdconf->{resetlink} =~ /^\d+(|\.\d*)$/) {
626: $timelimit = 3600 * $passwdconf->{resetlink};
627: }
1.9 raeburn 628: my $reqtime = &Apache::lonlocal::locallocaltime($data{'time'});
1.37 raeburn 629: my ($blocked,$blocktext) =
1.50 raeburn 630: &Apache::loncommon::blocking_status('passwd',$clientip,$data{'username'},$data{'domain'});
1.37 raeburn 631: if ($blocked) {
1.39 raeburn 632: $r->print('<p class="LC_warning">'.$blocktext.'</p>');
633: return;
1.44 raeburn 634: } elsif ($now - $data{'time'} < $timelimit) {
635: my ($needscase,%formfields) = &reset_requires($data{'username'},$data{'domain'},
636: $passwdconf);
1.1 raeburn 637: if ($env{'form.action'} eq 'verify_and_change_pass') {
1.44 raeburn 638: my $invalidinfo;
639: if ($formfields{'username'}) {
640: $env{'form.uname'} =~ s/^\s+|\s+$//g;
641: $env{'form.udom'} =~ s/^\s+|\s+$//g;
642: if ($needscase) {
643: unless (($env{'form.uname'} eq $data{'username'}) && ($env{'form.udom'} eq $data{'domain'})) {
644: $invalidinfo = "||$env{'form.uname'}|| ||$env{'form.udom'}|| ";
645: }
646: } else {
1.47 raeburn 647: if ((lc($env{'form.uname'}) eq lc($data{'username'})) && (lc($env{'form.udom'}) eq lc($data{'domain'}))) {
648: $env{'form.uname'} = $data{'username'};
649: } else {
1.44 raeburn 650: $invalidinfo = "||$env{'form.uname'}|| ||$env{'form.udom'}|| ";
651: }
652: }
653: } else {
654: $env{'form.uname'} = $data{'username'};
655: $env{'form.udom'} = $data{'domain'};
656: }
657: if ($formfields{'email'}) {
658: $env{'form.email'} =~ s/^\s+|\s+$//g;
659: if ($needscase) {
660: unless ($env{'form.email'} eq $data{'email'}) {
661: $invalidinfo .= "||$env{'form.email'}||";
662: }
663: } else {
664: unless (lc($env{'form.email'}) eq lc($data{'email'})) {
665: $invalidinfo = "||$env{'form.email'}||";
666: }
667: }
668: }
669: if ($invalidinfo) {
670: &Apache::lonnet::logthis("Forgot Password -- token data: ||$data{'username'}|| ||$data{'domain'}|| ||$data{'email'}|| differs from form: $invalidinfo");
1.47 raeburn 671: my $retry;
672: $r->print(
673: '<p class="LC_warning">'
674: .&mt('A problem occurred when attempting to reset'
675: .' the password for your account.').'</p>');
676: if (($formfields{'username'}) && ($formfields{'email'})) {
677: if ($needscase) {
678: $r->print('<p>'
679: .&mt('Please verify you entered the correct username and e-mail address, '
680: .'including the correct lower and/or upper case letters')
681: .'</p>');
682: } else {
683: $r->print('<p>'
684: .&mt('Please verify you entered the correct username and e-mail address.')
685: .'</p>');
686: }
687: $retry = 1;
688: } elsif ($formfields{'username'}) {
689: if ($needscase) {
690: $r->print('<p>'
691: .&mt('Please verify you entered the correct username, '
692: .'including the correct lower and/or upper case letters')
693: .'</p>');
694: } else {
695: $r->print('<p>'
696: .&mt('Please verify you entered the correct username.')
697: .'</p>');
698: }
699: $retry = 1;
700: } elsif ($formfields{'email'}) {
701: if ($needscase) {
702: $r->print('<p>'
703: .&mt('Please verify you entered the correct e-mail address, '
704: .'including the correct lower and/or upper case letters')
705: .'</p>');
706: } else {
707: $r->print('<p>'
708: .&mt('Please verify you entered the correct e-mail address.')
709: .'</p>');
710: }
711: $retry = 1;
712: }
713: if ($retry) {
714: &Apache::lonpreferences::passwordchanger($r,'','reset_by_email',$token,$timelimit,\%formfields);
715: } else {
716: $r->print(&generic_failure_msg($contact_name,$contact_email));
717: }
1.44 raeburn 718: unless ($formfields{'username'}) {
719: delete($env{'form.uname'});
720: delete($env{'form.udom'});
721: }
1.39 raeburn 722: return;
1.22 raeburn 723: }
1.44 raeburn 724: my $change_failed =
1.47 raeburn 725: &Apache::lonpreferences::verify_and_change_password($r,'reset_by_email',$token,$timelimit,\%formfields);
1.1 raeburn 726: if (!$change_failed) {
727: my $delete = &Apache::lonnet::tmpdel($token);
1.9 raeburn 728: my $now = &Apache::lonlocal::locallocaltime(time);
1.1 raeburn 729: my $domdesc =
1.6 albertel 730: &Apache::lonnet::domain($data{'domain'},'description');
1.48 raeburn 731: my $ip = &Apache::lonnet::get_requestor_ip();
732: my $mailmsg = &mt('The password for your LON-CAPA account in the [_1] domain was changed [_2] from IP address: [_3]. If you did not perform this change or authorize it, please contact the [_4] ([_5]).',$domdesc,$now,$ip,$contact_name,$contact_email)."\n";
1.1 raeburn 733: my $result = &send_mail($domdesc,$data{'email'},$mailmsg,
734: $contact_name,$contact_email);
1.33 bisitz 735: my $confirm_msg;
1.1 raeburn 736: if ($result eq 'ok') {
1.33 bisitz 737: $confirm_msg =
738: &Apache::lonhtmlcommon::confirm_success(
739: &mt('An e-mail confirming setting of the password'
740: .' for your LON-CAPA account has been sent to [_1].'
741: ,'<span class="LC_filename">'.$data{'email'}.'</span>'));
1.1 raeburn 742: } else {
1.33 bisitz 743: $confirm_msg =
744: &Apache::lonhtmlcommon::confirm_success(
745: &mt('An error occurred when sending e-mail to [_1]'
746: .' confirming setting of your new password.'
747: ,'<span class="LC_filename">'.$data{'email'}.'</span>'),1);
1.1 raeburn 748: }
1.39 raeburn 749: $r->print(
1.33 bisitz 750: &Apache::loncommon::confirmwrapper($confirm_msg)
751: .&Apache::lonhtmlcommon::actionbox([
1.39 raeburn 752: '<a href="/adm/login">'.&mt('Go to the login page').'</a>'])
753: );
1.20 raeburn 754: } elsif ($change_failed eq 'invalid_client') {
755: my $homeserver = &Apache::lonnet::homeserver($data{'username'},$data{'domain'});
756: if ($homeserver eq 'no_host') {
1.39 raeburn 757: $r->print(&generic_failure_msg($contact_name,$contact_email));
1.20 raeburn 758: } else {
1.42 raeburn 759: my $hostname = &Apache::lonnet::hostname($homeserver);
1.20 raeburn 760: my $protocol = $Apache::lonnet::protocol{$homeserver};
761: $protocol = 'http' if ($protocol ne 'https');
1.49 raeburn 762: my $alias = &Apache::lonnet::use_proxy_alias($r,$homeserver);
763: $hostname = $alias if ($alias ne '');
1.42 raeburn 764: my $url = $protocol.'://'.$hostname.'/adm/resetpw';
1.20 raeburn 765: my ($opentag,$closetag);
766: if ($url) {
767: $opentag = '<a href="'.$url.'">';
768: $closetag = '</a>';
769: }
1.39 raeburn 770: $r->print(
1.28 bisitz 771: '<p class="LC_warning">'
772: .&mt('A problem occurred when attempting to reset'
773: .' the password for your account.'
774: .' Please try again from your [_1]home server[_2].'
775: ,$opentag,$closetag)
1.39 raeburn 776: .'</p>'
777: );
1.20 raeburn 778: }
1.45 raeburn 779: } elsif (($change_failed eq 'prioruse') && ($passwdconf->{'numsaved'})) {
780: my $domdesc =
781: &Apache::lonnet::domain($data{'domain'},'description');
782: $r->print(
783: '<p class="LC_warning">'
784: .&mt('Please enter a password that you have not used recently.')
785: .'</p>'
1.46 raeburn 786: .&display_actions($contact_email,$domdesc,$token)
1.45 raeburn 787: );
1.47 raeburn 788: } elsif (($change_failed eq 'internalerror') || ($change_failed eq 'missingtemp') ||
789: ($change_failed eq 'error')) {
1.39 raeburn 790: $r->print(&generic_failure_msg($contact_name,$contact_email));
1.1 raeburn 791: }
1.44 raeburn 792: unless ($formfields{'username'}) {
793: delete($env{'form.uname'});
794: delete($env{'form.udom'});
795: }
1.1 raeburn 796: } else {
1.13 schafran 797: $r->print(&mt('The token included in an e-mail sent to you [_1] has been verified, so you may now proceed to reset the password for your LON-CAPA account.',$reqtime).'<br /><br />');
1.44 raeburn 798: if (keys(%formfields)) {
799: if (($formfields{'username'}) && ($formfields{'email'})) {
800: $r->print(&mt('Please enter the username and domain of the LON-CAPA account, and the associated e-mail address, for which you are setting a password.'));
801: } elsif ($formfields{'username'}) {
802: $r->print(&mt('Please enter the username and domain of the LON-CAPA account for which you are setting a password.'));
803: } elsif ($formfields{'email'}) {
804: $r->print(&mt('Please enter the e-mail address associated with the LON-CAPA account for which you are setting a password.'));
805: }
806: if ($needscase) {
807: $r->print(' '.&mt('User data entered must match LON-CAPA account information (including case).'));
808: }
1.47 raeburn 809: $r->print('<br />');
810: }
811: my ($min,$max,$minrule,$maxrule);
812: if ($passwdconf->{min}) {
813: $min = $passwdconf->{min};
814: } else {
815: $min = $Apache::lonnet::passwdmin;
816: }
817: if ($min) {
818: $minrule = &mt('Minimum password length: [_1]',$min);
819: }
820: if ($passwdconf->{max}) {
821: $max = $passwdconf->{max};
822: $maxrule = &mt('Maximum password length: [_1]',$max);
1.44 raeburn 823: }
824: if (ref($passwdconf->{chars}) eq 'ARRAY') {
825: my %rules;
826: map { $rules{$_} = 1; } @{$passwdconf->{chars}};
827: my %rulenames = &Apache::lonlocal::texthash(
828: uc => 'At least one upper case letter',
829: lc => 'At least one lower case letter',
830: num => 'At least one number',
831: spec => 'At least one non-alphanumeric',
832: );
833: $r->print(&mt('The new password must satisfy the following:').'<ul>');
834: foreach my $poss ('uc','lc','num','spec') {
835: if ($rules{$poss}) {
836: $r->print('<li>'.$rulenames{$poss}.'</li>');
837: }
838: }
1.47 raeburn 839: if ($min) {
840: $r->print('<li>'.$minrule.'</li>');
841: }
842: if ($max) {
843: $r->print('<li>'.$maxrule.'</li>');
844: }
1.44 raeburn 845: $r->print('</ul>');
846: } else {
1.47 raeburn 847: if ($min && $max) {
848: $r->print(&mt('The new password must satisfy the following:').'<ul>'."\n".
849: '<li>'.$minrule.'</li>'."\n".
850: '<li>'.$maxrule.'</li>'."\n".
851: '</ul>'."\n");
852: } elsif ($min) {
853: $r->print($minrule.'<br />');
854: } elsif ($max) {
855: $r->print($maxrule.'<br />');
856: }
1.44 raeburn 857: }
858: $r->print(&mt('Your new password will be sent to the LON-CAPA server in an encrypted form.').'<br />');
859: &Apache::lonpreferences::passwordchanger($r,'','reset_by_email',$token,$timelimit,\%formfields);
1.1 raeburn 860: }
861: } else {
1.39 raeburn 862: $r->print(
1.28 bisitz 863: '<p class="LC_warning">'
1.47 raeburn 864: .&mt('Sorry, the token generated when you requested a password reset has expired.').'<br />'
865: .&mt('Please submit a [_1]new request[_2], and follow the link to the web page included in the new e-mail that will be sent to you, to allow you to enter a new password.'
1.28 bisitz 866: ,'<a href="/adm/resetpw">','</a>')
1.39 raeburn 867: .'</p>'
868: );
1.1 raeburn 869: }
870: } else {
1.39 raeburn 871: $r->print(
1.28 bisitz 872: '<p class="LC_warning">'
873: .&mt('Sorry, the URL generated when you requested reset of your password contained incomplete information. Please submit a [_1]new request[_2] for a password reset, and use the new URL that will be sent to your e-mail account to complete the process.'
874: ,'<a href="/adm/resetpw">','</a>')
1.39 raeburn 875: .'</p>'
876: );
1.1 raeburn 877: }
1.39 raeburn 878: return;
1.1 raeburn 879: }
880:
1.20 raeburn 881: sub generic_failure_msg {
882: my ($contact_name,$contact_email) = @_;
1.28 bisitz 883: return
1.29 bisitz 884: '<p class="LC_error">'
885: .&mt('A problem occurred when attempting to reset the password for your account.')
886: .'<br />'
1.36 raeburn 887: .&mt('Please contact the [_1] ([_2]) for assistance.',
1.28 bisitz 888: $contact_name,'<a href="mailto:'.$contact_email.'">'.$contact_email.'</a>')
889: .'</p>';
1.20 raeburn 890: }
891:
1.1 raeburn 892: sub create_passwd {
893: my $passwd = '';
1.2 albertel 894: my @letts = ("a".."z");
1.1 raeburn 895: for (my $i=0; $i<8; $i++) {
1.2 albertel 896: my $lettnum = int(rand(2));
1.1 raeburn 897: my $item = '';
898: if ($lettnum) {
1.2 albertel 899: $item = $letts[int(rand(26))];
900: my $uppercase = int(rand(2));
1.1 raeburn 901: if ($uppercase) {
902: $item =~ tr/a-z/A-Z/;
903: }
904: } else {
1.2 albertel 905: $item = int(rand(10));
1.1 raeburn 906: }
907: $passwd .= $item;
908: }
909: return ($passwd);
910: }
911:
1.29 bisitz 912: sub display_actions {
1.46 raeburn 913: my ($contact_email,$domdesc,$token) = @_;
914: my $url = '/adm/resetpw';
915: if ($token) {
916: $url .= '?token='.&escape($token);
917: }
1.29 bisitz 918: my @msg = (&mt('[_1]Go back[_2] and try again',
1.46 raeburn 919: '<a href="'.$url.'">','</a>'));
1.29 bisitz 920: my $msg2 = '';
921: if ($contact_email ne '') {
1.30 raeburn 922: my $escuri = &HTML::Entities::encode('/adm/resetpw','&<>"');
923: push(@msg, &mt('Contact the [_1]LON-CAPA helpdesk[_2] for the institution: [_3]',
924: '<a href="/adm/helpdesk?origurl='.$escuri.'">',
925: '</a>','<i>'.$domdesc.'</i>'));
926: } else {
927: $msg2 =
928: '<p>'
929: .&mt('You may wish to send an e-mail to the'
930: .' server administrator: [_1] for the [_2] domain.',
1.31 raeburn 931: '<i>'.$Apache::lonnet::perlvar{'AdmEMail'}.'</i>',
1.30 raeburn 932: '<i>'.$domdesc.'</i>')
933: .'</p>';
934: }
1.29 bisitz 935: return &Apache::lonhtmlcommon::actionbox(\@msg).$msg2;
1.44 raeburn 936: }
1.29 bisitz 937:
1.44 raeburn 938: sub reset_requires {
939: my ($username,$domain,$passwdconf) = @_;
940: my (%fields,$needscase);
941: return ($needscase,%fields) unless (ref($passwdconf) eq 'HASH');
942: my (%postlink,%resetcase);
943: if (ref($passwdconf->{resetpostlink}) eq 'HASH') {
944: %postlink = %{$passwdconf->{resetpostlink}};
945: }
946: if (ref($passwdconf->{resetcase}) eq 'ARRAY') {
947: map { $resetcase{$_} = 1; } (@{$passwdconf->{resetcase}});
948: } else {
949: $needscase = 1;
950: }
951: my %userenv =
952: &Apache::lonnet::get('environment',['inststatus'],$domain,$username);
953: my @inststatuses;
954: if ($userenv{'inststatus'} ne '') {
955: @inststatuses = split(/:/,$userenv{'inststatus'});
956: } else {
957: @inststatuses = ('default');
958: }
959: foreach my $status (@inststatuses) {
960: if (ref($postlink{$status}) eq 'ARRAY') {
961: map { $fields{$_} = 1; } (@{$postlink{$status}});
962: } else {
963: map { $fields{$_} = 1; } ('username','email');
964: }
965: if ($resetcase{$status}) {
966: $needscase = 1;
967: }
968: }
969: return ($needscase,%fields);
1.29 bisitz 970: }
971:
1.1 raeburn 972: 1;
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