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   1  <?php
   2  
   3  class fetch_imagetoken_test extends DokuWikiTest {
   4  
   5      private $media = 'wiki:dokuwiki-128.png';
   6      private $width = 200;
   7      private $height = 0;
   8  
   9      function setUp() : void {
  10          // check we can carry out these tests
  11          if (!file_exists(mediaFN($this->media))) {
  12              $this->markTestSkipped('Source image required for test');
  13          }
  14  
  15          header('X-Test: check headers working');
  16          $header_check = function_exists('xdebug_get_headers') ? xdebug_get_headers() : headers_list();
  17          if (empty($header_check)) {
  18              $this->markTestSkipped('headers not returned, perhaps your sapi does not return headers, try xdebug');
  19          } else {
  20              header_remove('X-Test');
  21          }
  22  
  23          parent::setUp();
  24  
  25          global $conf;
  26          $conf['xsendfile'] = 0;
  27  
  28          global $MIME, $EXT, $CACHE, $INPUT;    // variables fetch creates in global scope -- should this be in fetch?
  29      }
  30  
  31      function getUri() {
  32         $w = $this->width ? 'w='.$this->width.'&' : '';
  33         $h = $this->height ? 'h='.$this->height.'&' : '';
  34  
  35         return '/lib/exe/fetch.php?'.$w.$h.'{%token%}media='.$this->media;
  36      }
  37  
  38      function fetchResponse($token){
  39          $request = new TestRequest();
  40          return $request->get(array(),str_replace('{%token%}',$token,$this->getUri()));
  41      }
  42  
  43      /**
  44       *  modified image request with valid token
  45       *  expect: header with mime-type
  46       *  expect: content
  47       *  expect: no error response
  48       */
  49      function test_valid_token(){
  50          $valid_token = 'tok='.media_get_token($this->media, $this->width, $this->height).'&';
  51          $response = $this->fetchResponse($valid_token);
  52          $this->assertTrue((bool)$response->getHeader('Content-Type'));
  53          $this->assertTrue((bool)($response->getContent()));
  54  
  55          $status_code = $response->getStatusCode();
  56          $this->assertTrue(is_null($status_code) || (200 == $status_code));
  57      }
  58  
  59      /**
  60       *  modified image request with invalid token
  61       *  expect: 412 status code
  62       */
  63      function test_invalid_token(){
  64          $invalid_token = 'tok='.media_get_token('junk',200,100).'&';
  65          $this->assertEquals(412,$this->fetchResponse($invalid_token)->getStatusCode());
  66      }
  67  
  68      /**
  69       *  modified image request with no token
  70       *  expect: 412 status code
  71       */
  72      function test_missing_token(){
  73          $no_token = '';
  74          $this->assertEquals(412,$this->fetchResponse($no_token)->getStatusCode());
  75      }
  76  
  77      /**
  78       *  native image request which doesn't require a token
  79       *  try: with a token & without a token
  80       *  expect: (for both) header with mime-type, content matching source image filesize & no error response
  81       */
  82      function test_no_token_required(){
  83          $this->width = $this->height = 0;   // no width & height, means image request at native dimensions
  84          $any_token = 'tok='.media_get_token('junk',200,100).'&';
  85          $no_token = '';
  86          $bytes = filesize(mediaFN($this->media));
  87  
  88          foreach(array($any_token, $no_token) as $token) {
  89              $response = $this->fetchResponse($token);
  90              $this->assertTrue((bool)$response->getHeader('Content-Type'));
  91              $this->assertEquals(strlen($response->getContent()), $bytes);
  92  
  93              $status_code = $response->getStatusCode();
  94              $this->assertTrue(is_null($status_code) || (200 == $status_code));
  95          }
  96      }
  97  
  98  }
  99  //Setup VIM: ex: et ts=4 :