mod/wiki/admin.php

   1 <?PHP  // $Id$
   2 /// Extended by Michael Schneider
   3
   4     require_once("../../config.php");
   5     require_once("lib.php");
   6
   7     $id      = optional_param('id', '', PARAM_INT);        // Course Module ID, or
   8     $a       = optional_param('a', '', PARAM_INT);         // wiki ID
   9     $page    = optional_param('page', false, PARAM_CLEAN); // Pagename
  10     $confirm = optional_param('confirm', '', PARAM_RAW);
  11     $action  = optional_param('action', '', PARAM_ACTION); // Admin Action
  12     $userid  = optional_param('userid', 0, PARAM_INT);     // User wiki.
  13     $groupid = optional_param('groupid', 0, PARAM_INT);    // Group wiki.
  14
  15     if ($id) {
  16         if (! $cm = get_coursemodule_from_id('wiki', $id)) {
  17             error("Course Module ID was incorrect");
  18         }
  19
  20         if (! $course = get_record("course", "id", $cm->course)) {
  21             error("Course is misconfigured");
  22         }
  23
  24         if (! $wiki = get_record("wiki", "id", $cm->instance)) {
  25             error("Course module is incorrect");
  26         }
  27
  28     } else {
  29         if (! $wiki = get_record("wiki", "id", $a)) {
  30             error("Course module is incorrect");
  31         }
  32         if (! $course = get_record("course", "id", $wiki->course)) {
  33             error("Course is misconfigured");
  34         }
  35         if (! $cm = get_coursemodule_from_instance("wiki", $wiki->id, $course->id)) {
  36             error("Course Module ID was incorrect");
  37         }
  38     }
  39
  40     require_login($course->id, false, $cm);
  41
  42     /// Build the ewsiki script constant
  43     $ewbase = 'view.php?id='.$id;
  44     if (isset($userid) && $userid!=0) $ewbase .= '&amp;userid='.$userid;
  45     if (isset($groupid) && $groupid!=0) $ewbase .= '&amp;groupid='.$groupid;
  46     $ewscript = $ewbase.'&amp;page=';
  47     define("EWIKI_SCRIPT", $ewscript);
  48     if($wiki->ewikiacceptbinary) {
  49       define("EWIKI_UPLOAD_MAXSIZE", get_max_upload_file_size());
  50       define("EWIKI_SCRIPT_BINARY", $ewbase."&binary=");
  51     }
  52
  53
  54     /// Add the course module 'groupmode' to the wiki object, for easy access.
  55     $wiki->groupmode = $cm->groupmode;
  56
  57     /// Is an Action given ?
  58     if(!$action) {
  59       error(get_string("noadministrationaction","wiki"));
  60     }
  61
  62     /// Correct Action ?
  63     if(!in_array($action, array("setpageflags", "removepages", "strippages", "checklinks", "revertpages"))) {
  64       error("Unknown action '$action'","wiki");
  65     }
  66
  67
  68     /// May the User administrate it ?
  69     if (($wiki_entry = wiki_get_entry($wiki, $course, $userid, $groupid)) === false || wiki_can_edit_entry($wiki_entry, $wiki, $USER, $course) === false) {
  70       error(get_string("notadministratewiki","wiki"));
  71     }
  72
  73     $canedit = wiki_can_edit_entry($wiki_entry, $wiki, $USER, $course);
  74     # Check for dangerous events (hacking) !
  75     if(in_array($action,array("removepages","strippages","revertpages"))) {
  76       if(!($wiki->wtype=="student" || ($wiki->wtype=="group" and $canedit) || isteacher($course->id))) {
  77         add_to_log($course->id, "wiki", "hack", "", $wiki->name.": Tried to trick admin.php with action=$action.");
  78         error("Hack attack detected !");
  79       }
  80     }
  81
  82     # Database and Binary Handler
  83     include_once($CFG->dirroot."/mod/wiki/ewikimoodlelib.php");
  84     include_once($CFG->dirroot."/mod/wiki/ewiki/plugins/moodle/moodle_binary_store.php");
  85
  86     /// The wiki_entry->pagename is set to the specified value of the wiki,
  87     /// or the default value in the 'lang' file if the specified value was empty.
  88     define("EWIKI_PAGE_INDEX",$wiki_entry->pagename);
  89     # The mighty Wiki itself
  90     include_once($CFG->dirroot."/mod/wiki/ewiki/ewiki.php");
  91
  92     $strwikis = get_string("modulenameplural", "wiki");
  93     $strwiki  = get_string("modulename", "wiki");
  94
  95     /// Validate Form
  96     if ($form = data_submitted()) {
  97       switch($action) {
  98         case "revertpages":
  99               if(!$form->deleteversions || 0 > $form->deleteversions || $form->deleteversions > 1000) {
 100                 $focus="form.deleteversions";
 101                 $err->deleteversions=get_string("deleteversionserror","wiki");
 102               }
 103               if(!$form->changesfield || 0 > $form->changesfield || $form->changesfield > 100000) {
 104                 $focus="form.changesfield";
 105                 $err->changesfield=get_string("changesfielderror","wiki");
 106               }
 107               if($form->authorfieldpattern=="") {
 108                 $focus="form.authorfieldpattern";
 109                 $err->authorfieldpattern=get_string("authorfieldpatternerror","wiki");
 110               }
 111           break;
 112           default: break;
 113        }
 114     }
 115
 116     print_header_simple("$wiki_entry->pagename", "",
 117                 "<A HREF=\"index.php?id=$course->id\">$strwikis</A> -> <A HREF=\"view.php?id=$id\">".format_string($wiki->name,true)."</a> ->".
 118                 get_string("administration","wiki"),
 119                 $focus, "", true, update_module_button($cm->id, $course->id, $strwiki),
 120                 navmenu($course, $cm));
 121
 122
 123     ////////////////////////////////////////////////////////////
 124     /// Check if the Form has been submitted and display confirmation
 125     ////////////////////////////////////////////////////////////
 126     if ($form = data_submitted()) {
 127       check_for_restricted_user($USER->username, "$CFG->wwwroot/course/view.php?id=$course->id");
 128       /// Moodle Log
 129       /// Get additional info
 130       $addloginfo="";
 131       switch($action) {
 132         case "removepages":
 133           $addloginfo=@join(", ", $form->pagestodelete);
 134         break;
 135         case "strippages":
 136           $addloginfo=@join(", ", $form->pagestostrip);
 137         break;
 138         case "checklinks":
 139           $addloginfo=$form->pagetocheck;
 140         break;
 141         case "setpageflags":
 142           // No additional info
 143         break;
 144         case "revertpages":
 145           // No additional info
 146         break;
 147       }
 148       add_to_log($course->id, "wiki", $action, "admin.php?action=$action&amp;userid=$userid&amp;groupid=$groupid&amp;id=$id", $wiki->name.($addloginfo?": ".$addloginfo:""));
 149       $link="admin.php?action=$action".($userid?"&amp;userid=".$userid:"").($groupid?"&amp;groupid=".$groupid:"")."&amp;id=$id&amp;page=$page";
 150       switch($action) {
 151         case "removepages":
 152             if($form->proceed) {
 153               if(!$confirm && $form->pagestodelete) {
 154                 notice_yesno(get_string("removepagecheck", "wiki")."<br />".join(", ", $form->pagestodelete),
 155                   $link."&amp;confirm=".urlencode(join(" ",$form->pagestodelete)), $link);
 156                 print_footer($course);
 157                 exit;
 158               }
 159             }
 160           break;
 161         case "strippages":
 162             if($form->proceed) {
 163               if(!$confirm && $form->pagestostrip) {
 164                 $err=array();
 165                 $strippages=wiki_admin_strip_versions($form->pagestostrip,$form->version, $err);
 166                 $confirm="";
 167                 foreach($strippages as $cnfid => $cnfver) {
 168                   $confirm.="&confirm[$cnfid]=".urlencode(join(" ",$cnfver));
 169                 }
 170                 if(count($err)==0) {
 171                   notice_yesno(get_string("strippagecheck", "wiki")."<br />".join(", ", $form->pagestostrip),
 172                       $link.$confirm, $link);
 173                   print_footer($course);
 174                   exit;
 175                 }
 176               }
 177             }
 178             break;
 179         case "checklinks":
 180             if($form->proceed) {
 181               if(!$confirm && $form->pagetocheck) {
 182                 $confirm="&amp;confirm=".$form->pagetocheck;
 183                 notice_yesno(get_string("checklinkscheck", "wiki").$form->pagetocheck,
 184                     $link.$confirm, $link);
 185                 print_footer($course);
 186                 exit;
 187               }
 188             }
 189             break;
 190         case "setpageflags":
 191             // pageflagstatus is used in setpageflags.html
 192             $pageflagstatus=wiki_admin_setpageflags($form->flags);
 193             break;
 194         case "revertpages":
 195               if(!$err) {
 196                 if(!$confirm) {
 197                   $confirm="&confirm[changesfield]=".urlencode($form->changesfield).
 198                            "&confirm[authorfieldpattern]=".urlencode($form->authorfieldpattern).
 199                            "&confirm[howtooperate]=".urlencode($form->howtooperate).
 200                            "&confirm[deleteversions]=".urlencode($form->deleteversions);
 201                   $revertedpages=wiki_admin_revert("", $form->authorfieldpattern, $form->changesfield, $form->howtooperate, $form->deleteversions);
 202                   if($revertedpages) {
 203                     notice_yesno(get_string("revertpagescheck", "wiki")."<br />".$revertedpages,
 204                       $link.$confirm, $link);
 205                     print_footer($course);
 206                     exit;
 207                   } else {
 208                     $err->remark=get_string("nochangestorevert","wiki");
 209                   }
 210                 }
 211               }
 212             break;
 213         default: error("No such Wiki-Admin action: $action");
 214           break;
 215       }
 216     }
 217
 218     /// Actions which need a confirmation. If confirmed, do the action
 219     $redirect="view.php?".($groupid?"&amp;groupid=".$groupid:"").($userid?"&amp;userid=".$userid:"")."&amp;id=$id&amp;page=$page";
 220     if($confirm && !$err) {
 221       switch($action) {
 222         case "removepages":
 223            $ret=wiki_admin_remove(split(" ",$confirm), $course, $wiki, $userid, $groupid);
 224            if(!$ret) {
 225              redirect($redirect, get_string("pagesremoved","wiki"), 1);
 226            } else {
 227              error($ret);
 228            }
 229            exit;
 230         case "strippages":
 231            $strippages=array();
 232            foreach($confirm as $pageid => $versions) {
 233              $strippages[$pageid]=split(" ",$versions);
 234            }
 235            $ret=wiki_admin_strip($strippages);
 236            if(!$ret) {
 237              redirect($redirect, get_string("pagesstripped","wiki"), 1);
 238            } else {
 239              error($ret);
 240            }
 241            exit;
 242         case "checklinks":
 243            $ret=wiki_admin_checklinks($confirm);
 244            redirect($redirect, get_string("linkschecked","wiki")."<br />".$ret, 5);
 245            exit;
 246         case "revertpages":
 247            $revertedpages=wiki_admin_revert(1, $confirm["authorfieldpattern"], $confirm["changesfield"], $confirm["howtooperate"], $confirm["deleteversions"]);
 248            redirect($redirect, get_string("pagesreverted","wiki"), 1);
 249            exit;
 250         case "setpageflags":
 251            # No confirmation needed
 252            break;
 253         default: error("No such action '$action' with confirmation");
 254       }
 255     }
 256
 257
 258     /// The top row contains links to other wikis, if applicable.
 259     if ($wiki_list = wiki_get_other_wikis($wiki, $USER, $course, $wiki_entry->id)) {
 260         if (isset($wiki_list['selected'])) {
 261             $selected = $wiki_list['selected'];
 262             unset($wiki_list['selected']);
 263         }
 264         echo '<tr><td colspan="2">';
 265
 266         echo '<form name="otherwikis" action="'.$CFG->wwwroot.'/mod/wiki/admin.php">';
 267         echo '<table border="0" cellpadding="0" cellspacing="0" width="100%"><tr>';
 268         echo '<td class="sideblockheading">&nbsp;'
 269             .$WIKI_TYPES[$wiki->wtype].' '
 270             .get_string('modulename', 'wiki').' for '
 271             .wiki_get_owner($wiki_entry).':</td>';
 272
 273         echo '<td class="sideblockheading" align="right">'
 274             .get_string('otherwikis', 'wiki').':&nbsp;&nbsp;';
 275         $script = 'self.location=document.otherwikis.wikiselect.options[document.otherwikis.wikiselect.selectedIndex].value';
 276
 277         /// Add Admin-Action
 278         reset($wiki_list);
 279         $wiki_admin_list=array();
 280         while(list($key,$val)=each($wiki_list)) {
 281           $wiki_admin_list[$key."&amp;action=$action"]=$val;
 282         }
 283         choose_from_menu($wiki_admin_list, "wikiselect", $selected, "choose", $script);
 284         echo '</td>';
 285         echo '</tr></table>';
 286         echo '</form>';
 287
 288         echo '</td>';
 289         echo '</tr>';
 290     }
 291
 292     if ($wiki_entry) {
 293
 294
 295         /// Page Actions
 296         echo '<table border="0" width="100%">';
 297         echo '<tr>';
 298 #        echo '<tr><td align="center">';
 299 #        $specialpages=array("SearchPages", "PageIndex","NewestPages","MostVisitedPages","MostOftenChangedPages","UpdatedPages","FileDownload","FileUpload","OrphanedPages","WantedPages");
 300 #        wiki_print_page_actions($cm->id, $specialpages, $ewiki_id, $ewiki_action, $wiki->ewikiacceptbinary, $canedit);
 301 #        echo '</td>';
 302
 303         /// Searchform
 304         echo '<td align="center">';
 305         wiki_print_search_form($cm->id, $q, $userid, $groupid, false);
 306         echo '</td>';
 307
 308         /// Internal Wikilinks
 309
 310         /// TODO: DOES NOT WORK !!!!
 311         echo '<td align="center">';
 312         wiki_print_wikilinks_block($cm->id,  $wiki->ewikiacceptbinary);
 313         echo '</td>';
 314
 315         /// Administrative Links
 316         echo '<td align="center">';
 317         wiki_print_administration_actions($wiki, $cm->id, $userid, $groupid, $page, $wiki->htmlmode!=2, $course);
 318         echo '</td>';
 319
 320 #        if($wiki->htmlmode!=2) {
 321 #          echo '<td align="center">';
 322 #          helpbutton('formattingrules', get_string('formattingrules', 'wiki'), 'wiki');
 323 #          echo get_string("formattingrules","wiki");
 324 #          echo '</td>';
 325 #        }
 326
 327         echo '</tr></table>';
 328     }
 329
 330     // The wiki Contents
 331     print_simple_box_start( 'center', '100%', '', '20');
 332     // Do the Action
 333     # "setpageflags", "removepages", "strippages", "checklinks", "revertpages"
 334     print_heading_with_help(get_string($action,"wiki"), $action, "wiki");
 335     include $action.".html";
 336     print_simple_box_end();
 337
 338 /// Finish the page
 339     print_footer($course);
 340     exit;
 341
 342 ?>