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<?php |
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// Storage API |
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// PHP Backend |
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// CBlue SPRL, Jean-Karim Bockstael, <[email protected]> |
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6
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require_once '../inc/global.inc.php'; |
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// variable cleaning... |
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foreach (["svkey", "svvalue"] as $key) { |
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$_REQUEST[$key] = Database::escape_string($_REQUEST[$key]); |
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} |
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foreach (["svuser", "svcourse", "svsco", "svlength", "svasc"] as $key) { |
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$_REQUEST[$key] = intval($_REQUEST[$key]); |
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} |
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switch ($_REQUEST['action']) { |
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case "get": |
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print storage_get($_REQUEST['svuser'], $_REQUEST['svcourse'], $_REQUEST['svsco'], $_REQUEST['svkey']); |
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break; |
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case "set": |
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if (storage_can_set($_REQUEST['svuser'])) { |
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echo storage_set($_REQUEST['svuser'], $_REQUEST['svcourse'], $_REQUEST['svsco'], $_REQUEST['svkey'], $_REQUEST['svvalue']); |
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} |
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break; |
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case "getall": |
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print storage_getall($_REQUEST['svuser'], $_REQUEST['svcourse'], $_REQUEST['svsco']); |
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break; |
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case "stackpush": |
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if (storage_can_set($_REQUEST['svuser'])) { |
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echo storage_stack_push($_REQUEST['svuser'], $_REQUEST['svcourse'], $_REQUEST['svsco'], $_REQUEST['svkey'], $_REQUEST['svvalue']); |
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} |
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break; |
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case "stackpop": |
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if (storage_can_set($_REQUEST['svuser'])) { |
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echo storage_stack_pop($_REQUEST['svuser'], $_REQUEST['svcourse'], $_REQUEST['svsco'], $_REQUEST['svkey']); |
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} |
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break; |
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case "stacklength": |
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print storage_stack_length($_REQUEST['svuser'], $_REQUEST['svcourse'], $_REQUEST['svsco'], $_REQUEST['svkey']); |
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break; |
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case "stackclear": |
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if (storage_can_set($_REQUEST['svuser'])) { |
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echo storage_stack_clear($_REQUEST['svuser'], $_REQUEST['svcourse'], $_REQUEST['svsco'], $_REQUEST['svkey']); |
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} |
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break; |
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case "stackgetall": |
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if (storage_can_set($_REQUEST['svuser'])) { |
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echo storage_stack_getall($_REQUEST['svuser'], $_REQUEST['svcourse'], $_REQUEST['svsco'], $_REQUEST['svkey']); |
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} |
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break; |
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case "getposition": |
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print storage_get_position($_REQUEST['svuser'], $_REQUEST['svcourse'], $_REQUEST['svsco'], $_REQUEST['svkey'], $_REQUEST['svasc']); |
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break; |
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case "getleaders": |
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print storage_get_leaders($_REQUEST['svuser'], $_REQUEST['svcourse'], $_REQUEST['svsco'], $_REQUEST['svkey'], $_REQUEST['svasc'], $_REQUEST['svlength']); |
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break; |
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case "usersgetall": |
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// security issue |
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print "NOT allowed, security issue, see sources"; |
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// print storage_get_all_users(); |
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break; |
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default: |
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// Do nothing |
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} |
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function storage_can_set($sv_user) |
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{ |
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// platform admin can change any user's stored values, other users can only change their own values |
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$allowed = ((api_is_platform_admin()) || (!empty($sv_user) && $sv_user == api_get_user_id())); |
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if (!$allowed) { |
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echo "ERROR : Not allowed"; |
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} |
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return $allowed; |
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} |
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function storage_get($sv_user, $sv_course, $sv_sco, $sv_key) |
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{ |
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$sql = "select sv_value |
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from ".Database::get_main_table(TABLE_TRACK_STORED_VALUES)." |
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where user_id= '$sv_user' |
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and sco_id = '$sv_sco' |
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and course_id = '$sv_course' |
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and sv_key = '$sv_key'"; |
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$res = Database::query($sql); |
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if (Database::num_rows($res) > 0) { |
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$row = Database::fetch_assoc($res); |
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return Security::remove_XSS($row['sv_value']); |
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} else { |
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return null; |
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} |
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} |
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function storage_get_leaders($sv_user, $sv_course, $sv_sco, $sv_key, $sv_asc, $sv_length) |
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{ |
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// get leaders |
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$sql_leaders = "select u.user_id, firstname, lastname, email, username, sv_value as value |
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from ".Database::get_main_table(TABLE_TRACK_STORED_VALUES)." sv, |
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".Database::get_main_table(TABLE_MAIN_USER)." u |
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where u.user_id=sv.user_id |
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and sco_id = '$sv_sco' |
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and course_id = '$sv_course' |
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and sv_key = '$sv_key' |
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order by sv_value ".($sv_asc ? "ASC" : "DESC")." limit $sv_length"; |
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// $sql_data = "select sv.user_id as user_id, sv_key as variable, sv_value as value |
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// from ".Database::get_main_table(TABLE_TRACK_STORED_VALUES)." sv |
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// where sv.user_id in (select u2.user_id from ($sql_leaders) u2) |
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// and sco_id = '$sv_sco' |
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// and course_id = '$sv_course'"; |
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// $resData = Database::query($sql_data); |
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// $data = Array(); |
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// while($row = Database::fetch_assoc($resData)) |
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// $data[] = $row; // fetching all data |
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// |
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$resLeaders = Database::query($sql_leaders); |
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$result = []; |
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while ($row = Database::fetch_assoc($resLeaders)) { |
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$row["values"] = []; |
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// foreach($data as $dataRow) { |
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// if ($dataRow["user_id"] = $row["user_id"]) |
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// $row["values"][$dataRow["variable"]] = $dataRow["value"]; |
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// } |
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$row['sv_value'] = Security::remove_XSS($row['sv_value']); |
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$result[] = $row; |
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} |
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return json_encode($result); |
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} |
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function storage_get_position($sv_user, $sv_course, $sv_sco, $sv_key, $sv_asc, $sv_length) |
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{ |
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$sql = "select count(list.user_id) as position |
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from ".Database::get_main_table(TABLE_TRACK_STORED_VALUES)." search, |
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".Database::get_main_table(TABLE_TRACK_STORED_VALUES)." list |
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where search.user_id= '$sv_user' |
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and search.sco_id = '$sv_sco' |
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and search.course_id = '$sv_course' |
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and search.sv_key = '$sv_key' |
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and list.sv_value ".($sv_asc ? "<=" : ">=")." search.sv_value |
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and list.sco_id = search.sco_id |
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and list.course_id = search.course_id |
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and list.sv_key = search.sv_key |
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order by list.sv_value"; |
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$res = Database::query($sql); |
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if (Database::num_rows($res) > 0) { |
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$row = Database::fetch_assoc($res); |
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return $row['position']; |
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} else { |
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return null; |
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} |
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} |
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function storage_set($sv_user, $sv_course, $sv_sco, $sv_key, $sv_value) |
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{ |
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$sv_value = Database::escape_string($sv_value); |
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$sql = "replace into ".Database::get_main_table(TABLE_TRACK_STORED_VALUES)." |
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(user_id, sco_id, course_id, sv_key, sv_value) |
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values |
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('$sv_user','$sv_sco','$sv_course','$sv_key','$sv_value')"; |
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$res = Database::query($sql); |
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return Database::affected_rows($res); |
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} |
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function storage_getall($sv_user, $sv_course, $sv_sco) |
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{ |
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$sql = "select sv_key, sv_value |
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from ".Database::get_main_table(TABLE_TRACK_STORED_VALUES)." |
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where user_id= '$sv_user' |
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and sco_id = '$sv_sco' |
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and course_id = '$sv_course'"; |
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$res = Database::query($sql); |
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$data = []; |
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while ($row = Database::fetch_assoc($res)) { |
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$row['sv_value'] = Security::remove_XSS($row['sv_value']); |
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$row['sv_key'] = Security::remove_XSS($row['sv_key']); |
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$data[] = $row; |
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} |
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return json_encode($data); |
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} |
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function storage_stack_push($sv_user, $sv_course, $sv_sco, $sv_key, $sv_value) |
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{ |
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$sv_value = Database::escape_string($sv_value); |
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Database::query("start transaction"); |
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$sqlorder = "select ifnull((select max(stack_order) |
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from ".Database::get_main_table(TABLE_TRACK_STORED_VALUES_STACK)." |
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where user_id= '$sv_user' |
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and sco_id='$sv_sco' |
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and course_id='$sv_course' |
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and sv_key='$sv_key' |
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), 0) as stack_order"; |
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$resorder = Database::query($sqlorder); |
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$row = Database::fetch_assoc($resorder); |
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$stack_order = (1 + $row['stack_order']); |
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$sqlinsert = "insert into ".Database::get_main_table(TABLE_TRACK_STORED_VALUES_STACK)." |
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(user_id, sco_id, course_id, sv_key, stack_order, sv_value) |
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values |
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('$sv_user', '$sv_sco', '$sv_course', '$sv_key', '$stack_order', '$sv_value')"; |
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$resinsert = Database::query($sqlinsert); |
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if ($resorder && $resinsert) { |
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Database::query("commit"); |
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208
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return 1; |
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} else { |
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Database::query("rollback"); |
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return 0; |
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} |
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214
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} |
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215
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216
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function storage_stack_pop($sv_user, $sv_course, $sv_sco, $sv_key) |
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217
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{ |
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Database::query("start transaction"); |
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$sqlselect = "select sv_value, stack_order |
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from ".Database::get_main_table(TABLE_TRACK_STORED_VALUES_STACK)." |
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where user_id= '$sv_user' |
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and sco_id='$sv_sco' |
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and course_id='$sv_course' |
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and sv_key='$sv_key' |
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order by stack_order desc |
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limit 1"; |
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$resselect = Database::query($sqlselect); |
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$rowselect = Database::fetch_assoc($resselect); |
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229
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$stack_order = $rowselect['stack_order']; |
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$sqldelete = "delete |
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231
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from ".Database::get_main_table(TABLE_TRACK_STORED_VALUES_STACK)." |
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232
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where user_id= '$sv_user' |
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and sco_id='$sv_sco' |
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234
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and course_id='$sv_course' |
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235
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and sv_key='$sv_key' |
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236
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and stack_order='$stack_order'"; |
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237
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$resdelete = Database::query($sqldelete); |
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238
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if ($resselect && $resdelete) { |
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239
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Database::query("commit"); |
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240
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241
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return Security::remove_XSS($rowselect['sv_value']); |
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242
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} else { |
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243
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Database::query("rollback"); |
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244
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245
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return null; |
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246
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} |
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247
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} |
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248
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249
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function storage_stack_length($sv_user, $sv_course, $sv_sco, $sv_key) |
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250
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{ |
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251
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$sql = "select count(*) as length |
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252
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from ".Database::get_main_table(TABLE_TRACK_STORED_VALUES_STACK)." |
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253
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where user_id= '$sv_user' |
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254
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and sco_id='$sv_sco' |
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255
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and course_id='$sv_course' |
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256
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and sv_key='$sv_key'"; |
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257
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$res = Database::query($sql); |
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258
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$row = Database::fetch_assoc($res); |
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259
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260
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return $row['length']; |
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261
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} |
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262
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263
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function storage_stack_clear($sv_user, $sv_course, $sv_sco, $sv_key) |
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264
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{ |
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265
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$sql = "delete |
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266
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from ".Database::get_main_table(TABLE_TRACK_STORED_VALUES_STACK)." |
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267
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where user_id= '$sv_user' |
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268
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and sco_id='$sv_sco' |
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269
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and course_id='$sv_course' |
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270
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and sv_key='$sv_key'"; |
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271
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$res = Database::query($sql); |
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272
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273
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return Database::num_rows($res); |
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274
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} |
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275
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276
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function storage_stack_getall($sv_user, $sv_course, $sv_sco, $sv_key) |
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277
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{ |
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278
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$sql = "select stack_order as stack_order, sv_value as value |
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279
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from ".Database::get_main_table(TABLE_TRACK_STORED_VALUES_STACK)." |
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280
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where user_id= '$sv_user' |
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281
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and sco_id='$sv_sco' |
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282
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and course_id='$sv_course' |
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283
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and sv_key='$sv_key'"; |
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284
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$res = Database::query($sql); |
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285
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$results = []; |
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286
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while ($row = Database::fetch_assoc($res)) { |
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287
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$row['value'] = Security::remove_XSS($row['value']); |
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288
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$results[] = $row; |
|
289
|
|
|
} |
|
290
|
|
|
|
|
291
|
|
|
return json_encode($results); |
|
292
|
|
|
} |
|
293
|
|
|
|
|
294
|
|
|
function storage_get_all_users() |
|
295
|
|
|
{ |
|
296
|
|
|
$sql = "select user_id, username, firstname, lastname |
|
297
|
|
|
from ".Database::get_main_table(TABLE_MAIN_USER)." |
|
298
|
|
|
order by user_id asc"; |
|
299
|
|
|
$res = Database::query($sql); |
|
300
|
|
|
$results = []; |
|
301
|
|
|
while ($row = Database::fetch_assoc($res)) { |
|
302
|
|
|
$results[] = $row; |
|
303
|
|
|
} |
|
304
|
|
|
|
|
305
|
|
|
return json_encode($results); |
|
306
|
|
|
} |
|
307
|
|
|
|
chamilo /
chamilo-lms
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This check compares calls to functions or methods with their respective definitions. If the call has less arguments than are defined, it raises an issue.
If a function is defined several times with a different number of parameters, the check may pick up the wrong definition and report false positives. One codebase where this has been known to happen is Wordpress. Please note the @ignore annotation hint above.