docwrapper.php3 2.32 KB
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<?php
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#
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# Copyright (c) 2000-2013 University of Utah and the Flux Group.
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# 
# {{{EMULAB-LICENSE
# 
# This file is part of the Emulab network testbed software.
# 
# This file is free software: you can redistribute it and/or modify it
# under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or (at
# your option) any later version.
# 
# This file is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Affero General Public
# License for more details.
# 
# You should have received a copy of the GNU Affero General Public License
# along with this file.  If not, see <http://www.gnu.org/licenses/>.
# 
# }}}
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#
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chdir("..");
require("defs.php3");
chdir("tutorial");

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#
# Verify page arguments.
#
$reqargs = RequiredPageArguments("docname",    PAGEARG_STRING);
$optargs = OptionalPageArguments("printable",  PAGEARG_BOOLEAN);
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#
# Need to sanity check the path! Allow only [word].html files
#
if (!preg_match("/^[-\w\.]+\.(html|txt)$/", $docname)) {
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    USERERROR("Illegal document name: $docname!", 1, HTTP_400_BAD_REQUEST);
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}
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$to_wiki = array(
  'tutorial.html' => 'Tutorial',
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  'nse.html' => 'nse',
  'ixp.html' => 'ixp',
  'nscommands.html' => 'nscommands'
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);

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#
# Make sure the file exists
#
$fh = @fopen("$docname", "r");
if (!$fh) {
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    if (isset ($to_wiki{$docname})) {
      $wikiname = $to_wiki{$docname};
      header("Location: $WIKIDOCURL/$wikiname", TRUE, 301);
      return 0;
    } else {
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      USERERROR("Can't read document file: $docname!", 1, HTTP_404_NOT_FOUND);
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    }
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}

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if (!isset($printable))
    $printable = 0;

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#
# Standard Testbed Header
#
if (!$printable) {
    PAGEHEADER("Emulab Documentation");
}

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if ($printable) {
    #
    # Need to spit out some header stuff.
    #
    echo "<html>
          <head>
  	  <link rel='stylesheet' href='../tbstyle-plain.css' type='text/css'>
          </head>
          <body>\n";
}
else {
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	$REQUEST_URI = $_SERVER["REQUEST_URI"];
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	echo "<b><a href=$REQUEST_URI&printable=1>
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                 Printable version of this document</a></b><br>\n";
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}

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fpassthru($fh);
fclose($fh);
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#
# Standard Testbed Footer
# 
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if ($printable) {
    echo "</body>
          </html>\n";
}
else {
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    PAGEFOOTER();
}
?>