Annotation of loncom/interface/lonsimplepage.pm, revision 1.67
1.1 www 1: # The LearningOnline Network
2: # Simple Page Editor
3: #
1.67 ! neumanie 4: # $Id: lonsimplepage.pm,v 1.66 2009/02/16 10:33:32 biermanm Exp $
1.1 www 5: #
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:
29: package Apache::lonsimplepage;
30:
31: use strict;
32: use Apache::Constants qw(:common);
33: use Apache::loncommon;
1.60 ehlerst 34: use Apache::lontemplate;
1.1 www 35: use Apache::lonnet;
36: use Apache::lontexconvert;
1.6 matthew 37: use Apache::lonfeedback;
1.13 www 38: use Apache::lonlocal;
1.14 sakharuk 39: use Apache::lonprintout;
40: use Apache::lonxml;
1.40 raeburn 41: use Apache::longroup;
1.47 albertel 42: use HTML::Entities();
1.44 raeburn 43: use LONCAPA;
1.1 www 44:
1.51 albertel 45: sub get_db_name {
46: my ($url) = @_;
47: my ($udom,$uname,$marker)=(split(m{/},$url))[2,3,4];
48: my $dom = $env{'course.'.$env{'request.course.id'}.'.domain'};
49: my $crs = $env{'course.'.$env{'request.course.id'}.'.num'};
50:
51: my $db_name;
52:
53: if ($dom && $crs && ($udom eq $dom) && ($uname eq $crs)) {
54: $marker =~ s/\W//g;
55: $db_name = 'grppage_'.$marker;
56: } else {
57: $marker=~s/\D//g;
58: $db_name = 'smppage_'.$marker;
59: }
60: return if (!defined($marker));
61:
62: return $db_name;
63: }
64:
1.1 www 65: sub handler {
66: my $r = shift;
1.24 albertel 67: &Apache::loncommon::content_type($r,'text/html');
1.1 www 68: $r->send_http_header;
69: return OK if $r->header_only;
1.25 albertel 70: my $target=$env{'form.grade_target'};
1.1 www 71: # ------------------------------------------------------------ Print the screen
1.34 albertel 72: if ($target eq 'tex') {
1.25 albertel 73: $r->print(&Apache::lonprintout::print_latex_header($env{'form.latex_type'}));
1.14 sakharuk 74: }
1.51 albertel 75:
1.1 www 76: # Is this even in a course?
1.25 albertel 77: unless ($env{'request.course.id'}) {
1.18 sakharuk 78: if ($target ne 'tex') {
1.37 albertel 79: &Apache::loncommon::simple_error_page($r,'','Not in a course');
1.14 sakharuk 80: } else {
81: $r->print('\textbf{Not in a course}\end{document}');
82: }
1.37 albertel 83: return OK;
1.1 www 84: }
85:
1.51 albertel 86: my $db_name = &get_db_name($r->uri);
87:
1.28 raeburn 88: my $dom = $env{'course.'.$env{'request.course.id'}.'.domain'};
89: my $crs = $env{'course.'.$env{'request.course.id'}.'.num'};
1.51 albertel 90: my ($group,$group_desc,$group_home_view,$group_home_edit,
1.45 raeburn 91: $group_view_perm,$group_edit_perm);
1.28 raeburn 92: my %curr_group = ();
93: my %groupinfo = ();
1.51 albertel 94: if ($db_name =~ /^grppage_/) {
1.52 raeburn 95: $group = (split(m{/},$r->uri))[4];
1.51 albertel 96: $group =~ s/\W//g;
1.43 raeburn 97: my %curr_groups = &Apache::longroup::coursegroups($dom,$crs,$group);
1.39 albertel 98: if (!%curr_groups) {
1.37 albertel 99: &Apache::loncommon::simple_error_page($r,'','Invalid group name');
100: return OK;
1.28 raeburn 101: }
1.34 albertel 102: %groupinfo =
1.43 raeburn 103: &Apache::longroup::get_group_settings($curr_groups{$group});
1.45 raeburn 104: $group_desc = &unescape($groupinfo{'description'});
1.28 raeburn 105: }
1.1 www 106:
1.51 albertel 107: if (!$db_name) {
1.37 albertel 108: &Apache::loncommon::simple_error_page($r,'','Invalid call');
109: return OK;
1.1 www 110: }
111:
112: # --------------------------------------------------------- The syllabus fields
1.13 www 113: my %syllabusfields=&Apache::lonlocal::texthash(
1.1 www 114: 'aaa_title' => 'Page Title',
115: 'bbb_content' => 'Content',
116: 'ccc_webreferences' => 'Web References');
1.43 raeburn 117: if ($group ne '') {
1.45 raeburn 118: $syllabusfields{'abb_links'} = &mt('Available Group Tools');
1.28 raeburn 119: }
1.1 www 120:
1.7 www 121:
122: # ------------------------------------------------------------ Get query string
123: &Apache::loncommon::get_unprocessed_cgi
1.44 raeburn 124: ($ENV{'QUERY_STRING'},['forcestudent','forceedit',
125: 'register','ref']);
1.1 www 126: # --------------------------------------------------------------- Force Student
127: my $forcestudent='';
1.25 albertel 128: if ($env{'form.forcestudent'} || $target eq 'tex' ) { $forcestudent='student'; };
1.38 albertel 129: my $forceedit='';
130: if ($env{'form.forceedit'}) { $forceedit='edit'; }
1.1 www 131:
1.45 raeburn 132: my $refarg;
133: if ($env{'form.ref'}) {
134: $refarg = '&ref='.$env{'form.ref'};
135: }
1.29 raeburn 136:
1.51 albertel 137: my %syllabus=&Apache::lonnet::dump($db_name,$dom,$crs);
1.1 www 138:
139: # --------------------------------------- There is such a user, get environment
140:
1.18 sakharuk 141: if ($target ne 'tex') {
1.66 biermanm 142: my $title = 'Simple Course Page';
1.43 raeburn 143: if ($group ne '') {
1.66 biermanm 144: $title = 'Simple Group Page';
1.28 raeburn 145: }
1.35 albertel 146: my $start_page =
147: &Apache::loncommon::start_page($title,undef,
148: {'function' => $forcestudent,
149: 'domain' => $dom,
150: 'force_register' =>
151: $env{'form.register'},});
152: $r->print($start_page);
1.28 raeburn 153: }
154:
1.43 raeburn 155: if ($group ne '') {
1.45 raeburn 156: my $group_view_perm =
157: &Apache::lonnet::allowed('vcg',$env{'request.course.id'}.
158: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''));
159: $group_edit_perm =
160: &Apache::lonnet::allowed('mdg',$env{'request.course.id'}.
161: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''));
162: $group_home_view = &Apache::lonnet::allowed('vgh',
163: $env{'request.course.id'}.'/'.$group);
164: $group_home_edit = &Apache::lonnet::allowed('mgh',
165: $env{'request.course.id'}.'/'.$group);
166: if ($group_view_perm || $group_edit_perm || $group_home_view ||
167: $group_home_edit || &Apache::longroup::check_group_access($group)) {
168: if (($env{'form.ref'} eq 'grouplist') && ($target ne 'tex')) {
169: $r->print(&grouppage_breadcrumbs($dom,$crs,$group,$group_desc));
170: }
171: if ((!$group_home_edit) && (!$group_home_view) &&
1.49 raeburn 172: (!$group_view_perm) && (!$group_edit_perm)) {
1.45 raeburn 173: &display_group_links($r,$target,$group,'view',$refarg,%groupinfo);
1.49 raeburn 174: if ($env{'form.grade_target'} ne 'tex') {
175: $r->print(&Apache::loncommon::end_page());
176: } else {
177: $r->print('\end{document}');
178: }
1.28 raeburn 179: return OK;
180: }
181: } else {
1.35 albertel 182: my $msg =
183: &mt('You do not currently have rights to view this group.');
1.28 raeburn 184: if ($target ne 'tex') {
1.35 albertel 185: $r->print("<p>$msg</p>".
1.32 albertel 186: &Apache::loncommon::end_page());
1.28 raeburn 187: } else {
1.35 albertel 188: $r->print('\textbf{'.$msg.'}\end{document}');
1.28 raeburn 189: }
1.35 albertel 190: return OK;
1.28 raeburn 191: }
1.49 raeburn 192: my ($blocked,$blocktext) =
193: &Apache::loncommon::blocking_status('groups');
194: if ($blocked) {
195: $r->print($blocktext);
196: $r->print(&Apache::loncommon::end_page());
197: return OK;
198: }
1.14 sakharuk 199: }
1.1 www 200:
1.28 raeburn 201: my $allowed;
1.45 raeburn 202:
1.43 raeburn 203: if ($group ne '') {
1.45 raeburn 204: $allowed = $group_edit_perm;
1.42 raeburn 205: if (!$allowed) {
1.45 raeburn 206: $allowed = $group_home_edit;
1.28 raeburn 207: }
208: } else {
209: $allowed=&Apache::lonnet::allowed('mdc',$env{'request.course.id'});
210: }
1.16 www 211: my $privileged=$allowed;
212: if (($syllabus{'uploaded.lastmodified'}) && (!$forceedit)) {
213: $forcestudent='student';
214: }
1.1 www 215:
1.18 sakharuk 216: if ($forcestudent or $target eq 'tex') { $allowed=0; }
1.46 raeburn 217:
1.18 sakharuk 218: if ($allowed) {
1.67 ! neumanie 219: $r->print('<p>'.&Apache::loncommon::help_open_topic('Uploaded_Templates_TextBoxes',&mt('Help with filling in text boxes')) .'</p>');
1.18 sakharuk 220: }
1.25 albertel 221: if (($env{'form.uploaddoc.filename'} and $target ne 'tex') &&
222: ($env{'form.storeupl'}) && ($allowed)) {
223: if ($env{'form.uploaddoc.filename'}=~/\.(gif|jpg|png|jpeg)$/i) {
1.18 sakharuk 224: if ($syllabus{'uploaded.photourl'}) {
225: &Apache::lonnet::removeuploadedurl($syllabus{'uploaded.photourl'});
226: }
1.45 raeburn 227: if ($group ne '') {
1.28 raeburn 228: $syllabus{'uploaded.photourl'}=&Apache::lonnet::userfileupload(
1.45 raeburn 229: 'uploaddoc',1,"grouppage/$group");
1.28 raeburn 230: } else {
231: $syllabus{'uploaded.photourl'}=
232: &Apache::lonnet::userfileupload('uploaddoc',1,'simplepage');
233: }
1.18 sakharuk 234: }
235: $syllabus{'uploaded.lastmodified'}=time;
1.51 albertel 236: &Apache::lonnet::put($db_name,\%syllabus,$dom,$crs);
1.18 sakharuk 237: }
1.62 ehlerst 238: if ($allowed && $env{'form.delupl'}) {
239: if ($syllabus{'uploaded.photourl'}) {
240: &Apache::lonnet::removeuploadedurl($syllabus{'uploaded.photourl'});
241: delete($syllabus{'uploaded.photourl'});
242: &Apache::lonnet::del('simplepage',['uploaded.photourl']);
243: }
244: }
1.25 albertel 245: if (($allowed) && ($env{'form.storesyl'})) {
1.48 albertel 246: foreach my $syl_field (keys(%syllabusfields)) {
247: my $field=$env{'form.'.$syl_field};
1.21 www 248: chomp($field);
1.18 sakharuk 249: $field=~s/\s+$//s;
1.21 www 250: $field=~s/^\s+//s;
251: $field=~s/\<br\s*\/*\>$//s;
1.18 sakharuk 252: $field=&Apache::lonfeedback::clear_out_html($field,1);
1.48 albertel 253: $syllabus{$syl_field}=$field;
1.18 sakharuk 254: }
255: $syllabus{'uploaded.lastmodified'}=time;
1.51 albertel 256: &Apache::lonnet::put($db_name,\%syllabus,$dom,$crs);
1.18 sakharuk 257: }
1.1 www 258:
259: # ---------------------------------------------------------------- Get syllabus
1.45 raeburn 260: if ((($syllabus{'uploaded.lastmodified'}) &&
1.46 raeburn 261: (($group ne '' && ($group_home_view || $group_edit_perm ||
262: $group_view_perm)) || ($group eq ''))) || ($allowed)) {
1.60 ehlerst 263: my $image;
1.18 sakharuk 264: if ($syllabus{'uploaded.photourl'}) {
1.45 raeburn 265: &Apache::lonnet::allowuploaded('/adm/smppg',
1.19 sakharuk 266: $syllabus{'uploaded.photourl'});
1.20 albertel 267:
1.60 ehlerst 268: $image='<img src="'.$syllabus{'uploaded.photourl'}.'"
1.65 neumanie 269: />';
1.20 albertel 270: if ($target eq 'tex') {
271: $image=&Apache::lonxml::xmlparse($r,'tex',$image);
1.60 ehlerst 272: }
273: }
1.67 ! neumanie 274: if ($target ne 'tex') {
! 275: &Apache::lontemplate::print_start_page_functions($r);
! 276: if($allowed){
! 277: &Apache::lontemplate::print_functions_content($r,'<a href="'.$r->uri.'?forcestudent=1">'.&mt('Show Student View').'</a>'.
! 278: &Apache::loncommon::help_open_topic('Uploaded_Templates_PublicView'));
! 279: }elsif($privileged){
! 280: my $edittext = &mt('Edit');
! 281: if ($group ne '') {
! 282: $edittext = &mt('Edit Group Homepage');
! 283: }
! 284: &Apache::lontemplate::print_functions_content($r,'<a href="'.$r->uri.'?forceedit=edit'.$refarg.'"><font size="+1">'.$edittext.'</font></a>');
! 285: if ($group ne '') {
! 286: if ($group_edit_perm) {
! 287: &Apache::lontemplate::print_functions_content($r,' <font size="+1">'.
! 288: '<a href="/adm/coursegroups?action=modify&refpage=grouplist'.
! 289: '&state=pick_task&groupname='.$group.'">'.
! 290: &mt('Edit Group Settings').'</a></font>');
! 291: }
! 292: }
! 293: }
! 294: &Apache::lontemplate::print_end_page_functions($r);
! 295: }
1.18 sakharuk 296: if ($allowed) {
297: $r->print(
298: '<form method="post" enctype="multipart/form-data">'.
299: '<input type="hidden" name="forceedit" value="edit" />'.
1.56 bisitz 300: '<h3>'.&mt('Upload a Photo').'</h3>'.
1.50 albertel 301: '<input type="file" name="uploaddoc" size="50" />'.
1.56 bisitz 302: '<input type="submit" name="storeupl" value="'.&mt('Upload').'" />'.
1.53 raeburn 303: '</form><form method="post">'.
1.63 riegler 304: '<input type="hidden" name="forceedit" value="edit" />'.
305: '<form method="post"><input type="submit" name="delupl" value="'.&mt('Delete Photo').'" />' );
1.65 neumanie 306: }
1.60 ehlerst 307: if($allowed){
308: $r->print($image.'<div class="clear"> </div>');
1.65 neumanie 309: }
310:
1.48 albertel 311: foreach my $field (sort(keys(%syllabusfields))) {
312: if (($syllabus{$field}) || ($allowed) ||
313: ($field eq 'abb_links' && $group ne '')) {
314: my $message=$syllabus{$field};
1.26 albertel 315: &Apache::lonfeedback::newline_to_br(\$message);
1.18 sakharuk 316: $message
317: =~s/(https*\:\/\/[^\s]+)/\<a href=\"$1\"\>\<tt\>$1\<\/tt\>\<\/a\>/g;
1.22 www 318: if ($allowed) {
319: $message=&Apache::lonspeller::markeduptext($message);
320: }
1.54 foxr 321: if ($target ne 'tex') {
322: $message=&Apache::lontexconvert::msgtexconverted($message);
323: }
1.48 albertel 324: if ($field eq 'abb_links' && $group ne '') {
325: $r->print('<br /><input type="hidden" name="'.$field.
326: '" value="'.$syllabus{$field}.'" />');
1.45 raeburn 327: &display_group_links($r,$target,$group,'edit',$refarg,
328: %groupinfo);
1.28 raeburn 329: $r->print('<br />');
1.48 albertel 330: } elsif ($field eq 'aaa_title') {
1.28 raeburn 331: if ($target ne 'tex') {
1.61 ehlerst 332: if($allowed){
333: $r->print('<p>');
334: }
1.28 raeburn 335: $r->print('<h1>'.$message.'</h1>');
336: } else {
337: my $safeinit;
338: $r->print(&Apache::lonxml::xmlparse($r,'tex','<h1>'.$message.'</h1>'));
339: }
340: if ($allowed) {
341: if ($env{'form.grade_target'} ne 'tex') {
1.60 ehlerst 342: $r->print('<br /><h3>'.&mt('Title').'</h3>');
343: &Apache::lontemplate::print_editbox_template($r,$syllabus{$field},$field);
1.61 ehlerst 344: $r->print('</p>');
1.28 raeburn 345: } else {
346: my $safeinit;
1.48 albertel 347: $r->print(&Apache::lonxml::xmlparse($r,'tex',$syllabus{$field},$safeinit));
1.28 raeburn 348: }
349: }
350: } else {
1.18 sakharuk 351: if ($target ne 'tex') {
1.61 ehlerst 352: if($allowed){
353: $r->print('<p>');
354: }
1.65 neumanie 355: &Apache::lontemplate::print_template($r,$syllabusfields{$field},$message,$allowed,'LC_ContentBoxSpecial');
1.14 sakharuk 356: } else {
357: my $safeinit;
1.60 ehlerst 358: $r->print(&Apache::lonxml::xmlparse($r,'tex','<h3>'.$syllabusfields{$field}.'</h3>'));
1.18 sakharuk 359: $r->print(&Apache::lonxml::xmlparse($r,'tex',$message));
360: }
361: if ($allowed) {
362: if ($target ne 'tex') {
1.60 ehlerst 363: &Apache::lontemplate::print_editbox_template($r,$syllabus{$field},$field);
1.61 ehlerst 364: $r->print('</p>');
1.18 sakharuk 365: } else {
366: my $safeinit;
1.48 albertel 367: $r->print(&Apache::lonxml::xmlparse($r,'tex',$syllabus{$field},$safeinit));
1.18 sakharuk 368: }
1.14 sakharuk 369: }
1.18 sakharuk 370: }
371: }
372: }
1.65 neumanie 373:
1.60 ehlerst 374: if(!$allowed){
375: $r->print($image);
1.67 ! neumanie 376: }
1.25 albertel 377: if ($allowed && ($env{'form.grade_target'} ne 'tex')) {
1.21 www 378: $r->print(&Apache::lonhtmlcommon::htmlareaselectactive
379: ('bbb_content').'</form>');
1.18 sakharuk 380: }
1.25 albertel 381: if ($env{'form.grade_target'} ne 'tex') {$r->print('</p>');}
1.1 www 382: } else {
1.45 raeburn 383: if ($group ne '') {
384: &display_group_links($r,$target,$group,'view',$refarg,%groupinfo);
385: } else {
1.64 bisitz 386: $r->print('<p>'.&mt('No page information provided.').'</p>');
1.45 raeburn 387: }
1.1 www 388: }
1.25 albertel 389: if ($env{'form.grade_target'} ne 'tex') {
1.32 albertel 390: $r->print(&Apache::loncommon::end_page());
1.14 sakharuk 391: } else {
392: $r->print('\end{document}');
393: }
1.1 www 394: return OK;
1.28 raeburn 395: }
396:
397: sub display_group_links {
1.45 raeburn 398: my ($r,$target,$group,$context,$refarg,%groupinfo) = @_;
1.28 raeburn 399: my @available = ();
400: my %menu = ();
401: %{$menu{'email'}} = (
1.59 schafran 402: text => 'Group Message',
1.45 raeburn 403: href => '/adm/email?compose=group&group='.$group.
404: $refarg,
1.28 raeburn 405: );
406: %{$menu{'discussion'}} = (
407: text => 'Discussion Boards',
1.45 raeburn 408: href => '/adm/groupboards?group='.$group.$refarg,
1.28 raeburn 409: );
410: %{$menu{'chat'}} = (
1.59 schafran 411: text => 'Group Chat',
1.45 raeburn 412: href => "javascript:group_chat('$group')",
1.28 raeburn 413: );
414: %{$menu{'files'}} = (
1.59 schafran 415: text => 'File Repository',
1.45 raeburn 416: href => '/adm/coursegrp_portfolio?group='.$group.
417: $refarg,
1.28 raeburn 418: );
419: %{$menu{'roster'}} = (
1.59 schafran 420: text => 'Membership Roster',
1.45 raeburn 421: href => '/adm/grouproster?group='.$group.$refarg,
1.28 raeburn 422: );
423: foreach my $tool (sort(keys(%menu))) {
424: if ($groupinfo{functions}{$tool} eq 'on') {
425: push(@available,$tool);
426: }
427: }
428: if (@available > 0) {
1.64 bisitz 429: my $output = '';
430: if ($target eq 'tex') {
431: $output = '<table cellspacing="4" cellpadding="4">';
432: } else {
433: $output = &Apache::loncommon::start_data_table();
434: }
1.28 raeburn 435: foreach my $tool (@available) {
436: if ($target eq 'tex') {
1.64 bisitz 437: $output .= '<tr><td>'.&mt($menu{$tool}{text}).'</td></tr>';
1.28 raeburn 438: } else {
1.64 bisitz 439: $output .= &Apache::loncommon::start_data_table_row()
440: .'<td><a href="'.$menu{$tool}{href}.'">'
441: .&mt($menu{$tool}{text}).'</a></td>'
442: .&Apache::loncommon::end_data_table_row();
1.28 raeburn 443: }
444: }
1.64 bisitz 445: if ($target eq 'tex') {
446: $output .= '</table>';
447: } else {
448: $output .= &Apache::loncommon::end_data_table();
449: }
1.28 raeburn 450: if ($target eq 'tex') {
1.45 raeburn 451: $r->print(&Apache::lonxml::xmlparse($r,'tex',&mt('Available functions').'<br /><br />'.$output));
1.28 raeburn 452: } else {
1.45 raeburn 453: $r->print('<h3>'.&mt('Available Group Tools').'</h3>'.$output);
1.28 raeburn 454: }
455: } else {
1.29 raeburn 456: my $output;
457: if ($context eq 'edit') {
1.45 raeburn 458: $output = &mt('No group functionality.');
1.29 raeburn 459: } else {
1.57 bisitz 460: $output = &mt('No group functionality (e.g., e-mail, discussion, chat or file upload) is currently available to you in this group: [_1].','<b>'.&unescape($groupinfo{'description'}).'</b>');
1.29 raeburn 461: }
1.28 raeburn 462: if ($target eq 'tex') {
463: $r->print(&Apache::lonxml::xmlparse($r,'tex',$output));
464: } else {
465: $r->print($output);
466: }
467: }
468: }
1.44 raeburn 469:
470: sub grouppage_breadcrumbs {
1.45 raeburn 471: my ($cdom,$cnum,$group,$description) = @_;
1.44 raeburn 472: &Apache::lonhtmlcommon::clear_breadcrumbs();
473: &Apache::lonhtmlcommon::add_breadcrumb
474: ({href=>"/adm/coursegroups",
1.45 raeburn 475: text=>"Groups",
476: title=>"Display Groups"},
1.44 raeburn 477: {href=>"/adm/$cdom/$cnum/$group/smppg?ref=grouplist",
1.64 bisitz 478: text=>&mt('Group:')." $description",
1.44 raeburn 479: title=>"Go to group's home page"},
480: );
1.45 raeburn 481: my $output .= &Apache::lonhtmlcommon::breadcrumbs(&mt('Group page - [_1]',
482: $description));
1.44 raeburn 483: return $output;
484: }
1.1 www 485:
486: 1;
487: __END__
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