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90 lines
2.7 KiB
90 lines
2.7 KiB
<?php
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/* JPEGCam Script */
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/* Receives JPEG webcam submission and saves to local file. */
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/* Make sure your directory has permission to write files as your web server user! */
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require_once '../../../inc/global.inc.php';
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////Add security from Chamilo
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api_protect_course_script();
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api_block_anonymous_users();
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///
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# Save the audio to a URL-accessible directory for playback.
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parse_str($_SERVER['QUERY_STRING'], $params);
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if(isset($params['webcamname']) && isset($params['webcamdir']) && isset($params['webcamuserid'])) {
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$webcamname = $params['webcamname'];
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$webcamdir = $params['webcamdir'];
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$webcamuserid = $params['webcamuserid'];
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}
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else {
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api_not_allowed();
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die();
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}
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if ($webcamuserid!= api_get_user_id() || api_get_user_id()==0 || $webcamuserid==0) {
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api_not_allowed();
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die();
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}
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//clean
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$webcamname = Security::remove_XSS($webcamname);
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$webcamname = Database::escape_string($webcamname);
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$webcamname = addslashes(trim($webcamname));
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$webcamname = api_replace_dangerous_char($webcamname);
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$webcamname = disable_dangerous_file($webcamname);
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$webcamdir = Security::remove_XSS($webcamdir);
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//security extension
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$ext = explode('.', $webcamname);
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$ext = strtolower($ext[sizeof($ext) - 1]);
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if($ext!= 'jpg'){
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die();
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}
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//Do not use here check Fileinfo method because return: text/plain //CHECK THIS BEFORE COMMIT
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$dirBaseDocuments = api_get_path(SYS_COURSE_PATH).$_course['path'].'/document';
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$saveDir=$dirBaseDocuments.$webcamdir;
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$current_session_id = api_get_session_id();
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$groupId=$_SESSION['_gid'];
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//avoid duplicates
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$webcamname_to_save=$webcamname;
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$title_to_save=str_replace('_',' ',$webcamname);
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$webcamname_noex=basename($webcamname, ".jpg");
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if (file_exists($saveDir.'/'.$webcamname_noex.'.'.$ext)){
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$i = 1;
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while (file_exists($saveDir.'/'.$webcamname_noex.'_'.$i.'.'.$ext)) $i++;
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$webcamname_to_save = $webcamname_noex . '_' . $i . '.'.$ext;
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$title_to_save = $webcamname_noex . '_' . $i . '.'.$ext;
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$title_to_save = str_replace('_',' ',$title_to_save);
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}
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$documentPath = $saveDir.'/'.$webcamname_to_save;
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//read content
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$content = file_get_contents('php://input');
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if (!$content) {
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print "ERROR: Failed to read data\n";
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exit();
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}
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//add to disk
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$fh = fopen($documentPath, 'w') or die("can't open file");
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fwrite($fh, $content);
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fclose($fh);
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//
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//add document to database
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$doc_id = add_document($_course, $webcamdir.'/'.$webcamname_to_save, 'file', filesize($documentPath), $title_to_save);
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api_item_property_update($_course, TOOL_DOCUMENT, $doc_id, 'DocumentAdded', $_user['user_id'], $groupId, null, null, null, $current_session_id);
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///
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$url = 'http://' . $_SERVER['HTTP_HOST'] . dirname($_SERVER['REQUEST_URI']) . '/' . $documentPath;
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print "$url\n";
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?>
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