45 lines
1.3 KiB
PHP
45 lines
1.3 KiB
PHP
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<?php
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function topdf($filename, $options = "") {
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// Write the content type to the client...
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header("Content-Type: application/pdf");
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header("Content-Disposition: inline; filename=\"generic.pdf\"");
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//header("Content-Disposition: attachement; filename=\"generic.pdf\"");
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flush();
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// Run HTMLDOC to provide the PDF file to the user...
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// Use the --no-localfiles option for enhanced security!
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// Use ulimit to limit the maximum amount of memory used by each instance!
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passthru("ulimit -m 16384 -t 5; htmldoc --no-localfiles -t pdf14 --quiet --jpeg --webpage $options '$filename'");
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}
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function bad_url($url) {
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// See if the URL starts with http: or https:...
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if (strncmp($url, "http://", 7) != 0 &&
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strncmp($url, "https://", 8) != 0)
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{ return 1; }
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// Check for bad characters in the URL...
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$len = strlen($url);
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for ($i = 0; $i < $len; $i ++) {
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if (!strchr("~_*()/:%?+-&@;=,$.", $url[$i]) &&
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!ctype_alnum($url[$i]))
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{ return 1; }
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}
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return 0;
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}
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//Start...
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$url = $_REQUEST['url'];
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//Construire le titre du fichier PDF en fonction des param<61>tres fournis
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if (bad_url($url)) {
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print("<html><head><title>Bad URL</title></head>\n"
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."<body><h1>Bad URL</h1>\n"
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."<p>The URL <b><tt>$url</tt></b> is bad.</p>\n"
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."</body></html>\n");
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} else {
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topdf($url);
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}
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?>
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