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eseeva/keyControlPanel.php

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first commit
2014-07-08 20:14:37 +02:00
<?php
//============================================================================
// Name : keyControlPanel.php
// Author : Patrick Reipschläger
// Version : 1.0
// Date : 08-2013
// Description : Control panel for managing key codes. The not so quick
// but dirty approach. At some point this should probably
// be rewritten using a cleaner approach.
//============================================================================
include_once 'libs/keyLib.php';
include_once 'libs/formLib.php';
// the super secret password that must be entered to access the control center
define ("ACCESS_CODE", "blub");
// all the states that the control center can have
define ("STATE_NONE", 0);
define ("STATE_ACCESS_ENTER", 1);
define ("STATE_ACCESS_FAILED", 2);
define ("STATE_ACCESS_SUCCESSFULL", 3);
define ("STATE_KEY_NONEXISTENT", 10);
define ("STATE_KEY_UNISSUED", 11);
define ("STATE_KEY_ISSUED", 12);
define ("STATE_KEY_ACTIVATED", 13);
define ("STATE_KEY_USED", 14);
define ("STATE_ACTION_UNISSUED", 20);
define ("STATE_ACTION_ISSUED", 21);
define ("STATE_ACTION_ACTIVATED", 22);
define ("STATE_ACTION_USED", 23);
define ("STATE_ACTION_NEWCODE", 24);
define ("STATE_ACTION_FAILED", 25);
// start a session prevent sending the same post twice
// if the user refreshes the page, it will default to the
// access code screen
session_start();
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$formState = STATE_ACTION_NEWCODE;
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$keyCode = "";
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$keyData = ReadKeys(KEYFILE);
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// if the variable is set, the form has been posted to itself
// if the submission ids of the post and the form don't match, the
// user has refreshed the site and thus its reseted to the default state
fixes session handling error Now the submissionId check gets evaluated even lazier.
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if (isset($_POST["submit"]) && isset($_SESSION["submissionId"]) && ($_SESSION["submissionId"] == $_POST["submissionId"]))
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{
// check if the access code was correct
/*if ($_POST["accessCode"] != ACCESS_CODE)
$formState = STATE_ACCESS_FAILED;
// if the access code was correct, check if a key code has been entered
else*/
if (isset($_POST["keyCode"]))
{
// if a key code has been entered, get the state of that key
$keyCode = $_POST["keyCode"];
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//$keyData = ReadKeyFile(KEYFILE);
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// if no action was performed on the entered key, simply display its state
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if (!isset($_POST["action"])){
$formState = KeyStateToFormState(GetKeyState(KEYFILE, $_POST["keyCode"]));
}
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else
{
// otherwise set the state of the form to the action that should be performed
$formState = $_POST["action"];
// if the state is different from the new code action, perform said action
// on the key and if the action was successful save the key file
if ($formState != STATE_ACTION_NEWCODE)
{
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if (SetKeyState(KEYFILE, $keyCode, FormStateToKeyState($formState)))
SetKeyState(KEYFILE, $keyCode, FormStateToKeyState($formState));
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else
$formState($STATE_ACTION_FAILED);
$_POST["action"] = STATE_ACTION_NEWCODE;
}
}
}
// if the access code was correct and no code was entered
else
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$formState = STATE_ACTION_NEWCODE;
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}
// generate a new submission id that is used within the form to prevent double posts
$_SESSION["submissionId"] = rand();
?>
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>ESE Evaluation - Key Control Center</title>
<link rel="stylesheet" type="text/css" href="css/bootstrap.css">
<link rel="stylesheet" type="text/css" href="css/style.css">
</head>
<body>
<div class="container">
<form action="" method="post">
<?php
CreateHeadline("Key Control Panel");
CreateInfoBox($formState);
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//CreateAccessBox($formState);
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switch ($formState)
{
// if the access was successful or a action was performed successfully,
// just display the empty key code box
case STATE_ACCESS_SUCCESSFULL:
case STATE_ACTION_ISSUED:
case STATE_ACTION_UNISSUED:
case STATE_ACTION_ACTIVATED:
case STATE_ACTION_USED:
case STATE_ACTION_NEWCODE:
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CreateKeyDropDownBox($keyData, "");
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break;
// if previously entered key was not found or the action that should
// be performed has been failed, just display the key code box with
// previously entered value
case STATE_KEY_NONEXISTENT:
case STATE_ACTION_FAILED:
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CreateKeyDropDownBox($keyData, $keyCode);
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break;
// if an existing key has been entered, display the readonly key code box
// and all options that can be performed on the key
case STATE_KEY_UNISSUED:
case STATE_KEY_ISSUED:
case STATE_KEY_ACTIVATED:
case STATE_KEY_USED:
CreateKeyCodeBox($keyCode, false);
CreateRowHeader();
echo " <div class=\"col-12\">\n";
echo " <br/><p><strong>Bitte wähle die gewünschte Aktion aus:</strong></p>\n";
echo " </div>\n";
echo "</div>\n";
CreateOption("ESE Code Status auf 'Nicht Ausgegeben' setzen", STATE_ACTION_UNISSUED, true);
CreateOption("ESE Code Status auf 'Ausgegeben' setzen", STATE_ACTION_ISSUED, true);
CreateOption("ESE Code Status auf 'Fragebogen ausgefüllt' setzen", STATE_ACTION_ACTIVATED, true);
CreateOption("ESE Code Status auf 'eingelöst' setzen", STATE_ACTION_USED, true);
CreateOption("Neuen ESE-Code eingeben", STATE_ACTION_NEWCODE, true, true);
break;
}
?>
<div class="row">
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<input class="form-control btn-success" type="submit" name="submit" value="Absenden"/>
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</div>
<input type="hidden" value="<?php /*Hidden input with previously generated id - used for preventing double posts*/ echo $_SESSION['submissionId'];?>" name="submissionId">
</form>
</div>
</body>
</html>
<?php
/**
* Echos a new option row with the specified parameters.
*
* @param string $label The text that is displayed for that option.
* @param integer $id The unique id of that option
* @param boolean $enabled Indicates if that option should be enabled or not. Default is enabled.
* @param boolean $checked Indicates if that option should be checked or not. Default is not checked.
*/
function CreateOption($label, $id, $enabled = true, $checked = false)
{
CreateRowHeader();
echo " <div class=\"col-12\">\n";
echo " <label>\n";
echo " <input class=\"\" type=\"radio\" id=\"action\" name=\"action\" value=\"" . $id . "\" required";
if ($checked)
echo " checked";
if (!$enabled)
echo " disabled";
echo "/>\n";
echo " " . $label . "\n";
echo " </label>\n";
echo " </div>\n";
echo "</div>\n";
}
/**
* Echos the key code text box.
*
* @param string $keyCode The key that should be displayed in the box.
* @param boolean $enabled Indicates if the key code box should be enabled or not.
*/
function CreateKeyCodeBox($keyCode, $enabled)
{
CreateRowHeader();
echo " <div class=\"col-6\">\n";
echo " <p class=\"lead\">ESE Code:</p>\n";
echo " </div>\n";
echo " <div class=\"col-6\">\n";
echo " <input class=\"form-control\" type=\"text\" id=\"keyCode\" name=\"keyCode\" value=\"" . $keyCode . "\" required";
if (!$enabled)
echo " readonly";
echo "/>\n";
echo " </div>\n";
echo "</div>\n";
}
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/**
* Echos a drop down box with all keys.
*
* @param string $keyCode The key that should be displayed in the box.
*/
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function CreateKeyDropDownBox($keyData, $keyCode)
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{
CreateRowHeader();
echo " <div class=\"col-6\">\n";
echo " <p class=\"lead\">ESE Code:</p>\n";
echo " </div>\n";
echo " <div class=\"col-6\">\n";
echo " <select class=\"form-control\" id=\"keyCode\" name=\"keyCode\" required>\n";
foreach ($keyData as $key => $value) {
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echo " <option value=\"". $value['KeyId'] ."\" ";
if ($keyCode != "" && $keyCode == $value['KeyId']) {
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echo "selected=\"selected\"";
}
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echo ">".$value['KeyId']."</option>\n";
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}
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echo " </select>\n";
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//echo " <input class=\"form-control\" type=\"text\" id=\"keyCode\" name=\"keyCode\" value=\"" . $keyCode . "\" required";
echo " </div>\n";
echo "</div>\n";
}
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/**
* Echos the access code box according the current state of the form.
*
* @param integer $formState The current state of the form.
*/
function CreateAccessBox($formState)
{
if ($formState < STATE_ACCESS_SUCCESSFULL)
echo "<div class=\"row equalrow\">\n";
else
echo "<div class=\"row equalrow\" hidden>";
echo " <div class=\"col-6\">\n";
echo " <p class=\"lead\">Access Code:</p>\n";
echo " </div>\n";
echo " <div class=\"col-6\">\n";
echo " <input class=\"form-control\" type=\"text\" id=\"accessCode\" name=\"accessCode\" value=\"";
if ($formState != STATE_ACCESS_ENTER)
echo $_POST["accessCode"];
echo "\"/>\n";
echo " </div>\n";
echo "</div>\n";
}
/**
* Creates a information message box depending on the current state of the form.
*
* @param integer $formState The current state of the form.
*/
function CreateInfoBox($formState)
{
switch ($formState)
{
case STATE_ACCESS_ENTER: CreateMessageBox(MSG_INFO, "Zugang:", "Bitte gib den korrekten Zugangscode ein, um das Key Control Panel nutzen zu können"); break;
case STATE_ACCESS_FAILED: CreateMessageBox(MSG_DANGER, "Zugang:", "Der eingegebene Zugangscode war falsch! Bitte überprüfe deine Eingabe."); break;
case STATE_ACCESS_SUCCESSFULL: CreateMessageBox(MSG_SUCCESS, "Zugang:", "Der eingegebene Zugangscode war korrekt! Bitte gib nun den ESE Code ein, welchen du überprüfen oder verändern möchtest."); break;
case STATE_KEY_NONEXISTENT: CreateMessageBox(MSG_DANGER, "Achtung:", "Der eingegebene ESE Code wurde nicht gefunden! Bitte überprüfe deine Eingabe."); break;
case STATE_KEY_UNISSUED: CreateMessageBox(MSG_WARNING, "ESE Code gefunden:", "Der eingegebene ESE Code wurde gefunden. <strong>Der Schlüssel wurde nicht an einen Studenten ausgegeben!</strong>."); break;
case STATE_KEY_ISSUED: CreateMessageBox(MSG_INFO, "ESE Code gefunden:", "Der Schlüssel wurde an einen Studenten ausgegeben, der Fragebogen wurde noch <strong>nicht ausgefüllt</strong>."); break;
case STATE_KEY_ACTIVATED: CreateMessageBox(MSG_INFO, "ESE Code gefunden:", "Der Schlüssel wurde an einen Studenten ausgegeben, der Fragebogen wurde <strong>ausgefüllt</strong>."); break;
case STATE_KEY_USED: CreateMessageBox(MSG_WARNING, "ESE Code gefunden:", "Der Schlüssel wurde an einen Studenten ausgegeben, der Fragebogen wurde ausgefüllt und der Student hat bereits eine <strong>ESE Tasse erhalten</strong>."); break;
case STATE_ACTION_UNISSUED: CreateMessageBox(MSG_SUCCESS, "ESE Code Status geändert:", "Der Schlüssel wurde erfolgreich auf den Status <strong>Nicht Ausgegeben</strong> gesetzt. Bitte gib einen ESE Code ein, welchen du überprüfen oder verändern möchtest."); break;
case STATE_ACTION_ISSUED: CreateMessageBox(MSG_SUCCESS, "ESE Code Status geändert:", "Der Schlüssel wurde erfolgreich auf den Status <strong>Ausgegeben</strong> gesetzt. Bitte gib einen ESE Code ein, welchen du überprüfen oder verändern möchtest."); break;
case STATE_ACTION_ACTIVATED: CreateMessageBox(MSG_SUCCESS, "ESE Code Status geändert:", "Der Schlüssel wurde erfolgreich auf den Status <strong>Fragebogen ausgefüllt</strong> gesetzt. Bitte gib einen ESE Code ein, welchen du überprüfen oder verändern möchtest."); break;
case STATE_ACTION_USED: CreateMessageBox(MSG_SUCCESS, "ESE Code Status geändert:", "Der Schlüssel wurde erfolgreich auf den Status <strong>Eingelöst</strong> gesetzt. Bitte gib einen ESE Code ein, welchen du überprüfen oder verändern möchtest."); break;
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case STATE_ACTION_NEWCODE: CreateMessageBox(MSG_INFO, "ESE Code auswählen:", "Bitte wähle den ESE Code aus, welchen du überprüfen oder verändern möchtest."); break;
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case STATE_ACTION_FAILED: CreateMessageBox(MSG_DANGER, "Achtung:", "Der Status des angegebenen Schlüssels konnte <strong>nicht geändert</strong> werden! Bitte überprüfe deine Eingabe."); break;
}
}
/**
* Converts the specified key state constant to a valid form state constant
*
* @param string $keySate The key state that should be converted.
* @return integer
*/
function KeyStateToFormState($keyState)
{
switch($keyState)
{
case KEYSTATE_NONEXISTENT: return STATE_KEY_NONEXISTENT;
case KEYSTATE_UNISSUED: return STATE_KEY_UNISSUED;
case KEYSTATE_ISSUED: return STATE_KEY_ISSUED;
case KEYSTATE_ACTIVATED: return STATE_KEY_ACTIVATED;
case KEYSTATE_USED: return STATE_KEY_USED;
}
return STATE_NONE;
}
/**
* Converts the specified form state constant to a valid key state constant
*
* @param integer The form state that should be converted.
* @return integer
*/
function FormStateToKeyState($keyState)
{
switch($keyState)
{
case STATE_KEY_NONEXISTENT:
return KEYSTATE_NONEXISTENT;
case STATE_KEY_UNISSUED:
case STATE_ACTION_UNISSUED:
return KEYSTATE_UNISSUED;
case STATE_KEY_ISSUED:
case STATE_ACTION_ISSUED:
return KEYSTATE_ISSUED;
case STATE_KEY_ACTIVATED:
case STATE_ACTION_ACTIVATED:
return KEYSTATE_ACTIVATED;
case STATE_KEY_USED:
case STATE_ACTION_USED:
return KEYSTATE_USED;
}
return KEYSTATE_NONEXISTENT;
}
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?>
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