tests/phpunit/includes/upload/UploadBaseTest.php

   1 <?php
   2
   3 /**
   4  * @group Upload
   5  */
   6 class UploadBaseTest extends MediaWikiTestCase {
   7
   8         /** @var UploadTestHandler */
   9         protected $upload;
  10
  11         protected function setUp() {
  12                 parent::setUp();
  13
  14                 $this->upload = new UploadTestHandler;
  15
  16                 $this->setMwGlobals( 'wgHooks', array(
  17                         'InterwikiLoadPrefix' => array(
  18                                 function ( $prefix, &$data ) {
  19                                         return false;
  20                                 }
  21                         ),
  22                 ) );
  23         }
  24
  25         /**
  26          * First checks the return code
  27          * of UploadBase::getTitle() and then the actual returned title
  28          *
  29          * @dataProvider provideTestTitleValidation
  30          * @covers UploadBase::getTitle
  31          */
  32         public function testTitleValidation( $srcFilename, $dstFilename, $code, $msg ) {
  33                 /* Check the result code */
  34                 $this->assertEquals( $code,
  35                         $this->upload->testTitleValidation( $srcFilename ),
  36                         "$msg code" );
  37
  38                 /* If we expect a valid title, check the title itself. */
  39                 if ( $code == UploadBase::OK ) {
  40                         $this->assertEquals( $dstFilename,
  41                                 $this->upload->getTitle()->getText(),
  42                                 "$msg text" );
  43                 }
  44         }
  45
  46         /**
  47          * Test various forms of valid and invalid titles that can be supplied.
  48          */
  49         public static function provideTestTitleValidation() {
  50                 return array(
  51                         /* Test a valid title */
  52                         array( 'ValidTitle.jpg', 'ValidTitle.jpg', UploadBase::OK,
  53                                 'upload valid title' ),
  54                         /* A title with a slash */
  55                         array( 'A/B.jpg', 'B.jpg', UploadBase::OK,
  56                                 'upload title with slash' ),
  57                         /* A title with illegal char */
  58                         array( 'A:B.jpg', 'A-B.jpg', UploadBase::OK,
  59                                 'upload title with colon' ),
  60                         /* Stripping leading File: prefix */
  61                         array( 'File:C.jpg', 'C.jpg', UploadBase::OK,
  62                                 'upload title with File prefix' ),
  63                         /* Test illegal suggested title (r94601) */
  64                         array( '%281%29.JPG', null, UploadBase::ILLEGAL_FILENAME,
  65                                 'illegal title for upload' ),
  66                         /* A title without extension */
  67                         array( 'A', null, UploadBase::FILETYPE_MISSING,
  68                                 'upload title without extension' ),
  69                         /* A title with no basename */
  70                         array( '.jpg', null, UploadBase::MIN_LENGTH_PARTNAME,
  71                                 'upload title without basename' ),
  72                         /* A title that is longer than 255 bytes */
  73                         array( str_repeat( 'a', 255 ) . '.jpg', null, UploadBase::FILENAME_TOO_LONG,
  74                                 'upload title longer than 255 bytes' ),
  75                         /* A title that is longer than 240 bytes */
  76                         array( str_repeat( 'a', 240 ) . '.jpg', null, UploadBase::FILENAME_TOO_LONG,
  77                                 'upload title longer than 240 bytes' ),
  78                 );
  79         }
  80
  81         /**
  82          * Test the upload verification functions
  83          * @covers UploadBase::verifyUpload
  84          */
  85         public function testVerifyUpload() {
  86                 /* Setup with zero file size */
  87                 $this->upload->initializePathInfo( '', '', 0 );
  88                 $result = $this->upload->verifyUpload();
  89                 $this->assertEquals( UploadBase::EMPTY_FILE,
  90                         $result['status'],
  91                         'upload empty file' );
  92         }
  93
  94         // Helper used to create an empty file of size $size.
  95         private function createFileOfSize( $size ) {
  96                 $filename = tempnam( wfTempDir(), "mwuploadtest" );
  97
  98                 $fh = fopen( $filename, 'w' );
  99                 ftruncate( $fh, $size );
 100                 fclose( $fh );
 101
 102                 return $filename;
 103         }
 104
 105         /**
 106          * test uploading a 100 bytes file with $wgMaxUploadSize = 100
 107          *
 108          * This method should be abstracted so we can test different settings.
 109          */
 110         public function testMaxUploadSize() {
 111                 $this->setMwGlobals( array(
 112                         'wgMaxUploadSize' => 100,
 113                         'wgFileExtensions' => array(
 114                                 'txt',
 115                         ),
 116                 ) );
 117
 118                 $filename = $this->createFileOfSize( 100 );
 119                 $this->upload->initializePathInfo( basename( $filename ) . '.txt', $filename, 100 );
 120                 $result = $this->upload->verifyUpload();
 121                 unlink( $filename );
 122
 123                 $this->assertEquals(
 124                         array( 'status' => UploadBase::OK ),
 125                         $result
 126                 );
 127         }
 128
 129
 130         /**
 131          * @dataProvider provideCheckSvgScriptCallback
 132          */
 133         public function testCheckSvgScriptCallback( $svg, $wellFormed, $filterMatch, $message ) {
 134                 list( $formed, $match ) = $this->upload->checkSvgString( $svg );
 135                 $this->assertSame( $wellFormed, $formed, $message );
 136                 $this->assertSame( $filterMatch, $match, $message );
 137         }
 138
 139         public static function provideCheckSvgScriptCallback() {
 140                 return array(
 141                         // html5sec SVG vectors
 142                         array(
 143                                 '<svg xmlns="http://www.w3.org/2000/svg"><script>alert(1)</script></svg>',
 144                                 true,
 145                                 true,
 146                                 'Script tag in svg (http://html5sec.org/#47)'
 147                         ),
 148                         array(
 149                                 '<svg xmlns="http://www.w3.org/2000/svg"><g onload="javascript:alert(1)"></g></svg>',
 150                                 true,
 151                                 true,
 152                                 'SVG with onload property (http://html5sec.org/#11)'
 153                         ),
 154                         array(
 155                                 '<svg onload="javascript:alert(1)" xmlns="http://www.w3.org/2000/svg"></svg>',
 156                                 true,
 157                                 true,
 158                                 'SVG with onload property (http://html5sec.org/#65)'
 159                         ),
 160                         array(
 161                                 '<svg xmlns="http://www.w3.org/2000/svg"> <a xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="javascript:alert(1)"><rect width="1000" height="1000" fill="white"/></a> </svg>',
 162                                 true,
 163                                 true,
 164                                 'SVG with javascript xlink (http://html5sec.org/#87)'
 165                         ),
 166                         array(
 167                                 '<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">  <animation xlink:href="javascript:alert(1)"/> </svg>',
 168                                 true,
 169                                 true,
 170                                 'SVG with Opera animation xlink (http://html5sec.org/#88 - a)'
 171                         ),
 172                         array(
 173                                 '<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">  <animation xlink:href="data:text/xml,%3Csvg xmlns=\'http://www.w3.org/2000/svg\' onload=\'alert(1)\'%3E%3C/svg%3E"/> </svg>',
 174                                 true,
 175                                 true,
 176                                 'SVG with Opera animation xlink (http://html5sec.org/#88 - b)'
 177                         ),
 178                         array(
 179                                 '<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">  <image xlink:href="data:image/svg+xml,%3Csvg xmlns=\'http://www.w3.org/2000/svg\' onload=\'alert(1)\'%3E%3C/svg%3E"/> </svg>',
 180                                 true,
 181                                 true,
 182                                 'SVG with Opera image xlink (http://html5sec.org/#88 - c)'
 183                         ),
 184                         array(
 185                                 '<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">  <foreignObject xlink:href="javascript:alert(1)"/> </svg>',
 186                                 true,
 187                                 true,
 188                                 'SVG with Opera foreignObject xlink (http://html5sec.org/#88 - d)'
 189                         ),
 190                         array(
 191                                 '<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">  <foreignObject xlink:href="data:text/xml,%3Cscript xmlns=\'http://www.w3.org/1999/xhtml\'%3Ealert(1)%3C/script%3E"/> </svg>',
 192                                 true,
 193                                 true,
 194                                 'SVG with Opera foreignObject xlink (http://html5sec.org/#88 - e)'
 195                         ),
 196                         array(
 197                                 '<svg xmlns="http://www.w3.org/2000/svg"> <set attributeName="onmouseover" to="alert(1)"/> </svg>',
 198                                 true,
 199                                 true,
 200                                 'SVG with event handler set (http://html5sec.org/#89 - a)'
 201                         ),
 202                         array(
 203                                 '<svg xmlns="http://www.w3.org/2000/svg"> <animate attributeName="onunload" to="alert(1)"/> </svg>',
 204                                 true,
 205                                 true,
 206                                 'SVG with event handler animate (http://html5sec.org/#89 - a)'
 207                         ),
 208                         array(
 209                                 '<svg xmlns="http://www.w3.org/2000/svg"> <handler xmlns:ev="http://www.w3.org/2001/xml-events" ev:event="load">alert(1)</handler> </svg>',
 210                                 true,
 211                                 true,
 212                                 'SVG with element handler (http://html5sec.org/#94)'
 213                         ),
 214                         array(
 215                                 '<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"> <feImage> <set attributeName="xlink:href" to="data:image/svg+xml;charset=utf-8;base64, PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjxzY3JpcHQ%2BYWxlcnQoMSk8L3NjcmlwdD48L3N2Zz4NCg%3D%3D"/> </feImage> </svg>',
 216                                 true,
 217                                 true,
 218                                 'SVG with href to data: url (http://html5sec.org/#95)'
 219                         ),
 220                         array(
 221                                 '<svg xmlns="http://www.w3.org/2000/svg" id="foo"> <x xmlns="http://www.w3.org/2001/xml-events" event="load" observer="foo" handler="data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%3E%0A%3Chandler%20xml%3Aid%3D%22bar%22%20type%3D%22application%2Fecmascript%22%3E alert(1) %3C%2Fhandler%3E%0A%3C%2Fsvg%3E%0A#bar"/> </svg>',
 222                                 true,
 223                                 true,
 224                                 'SVG with Tiny handler (http://html5sec.org/#104)'
 225                         ),
 226                         array(
 227                                 '<svg xmlns="http://www.w3.org/2000/svg"> <a id="x"><rect fill="white" width="1000" height="1000"/></a> <rect fill="white" style="clip-path:url(test3.svg#a);fill:url(#b);filter:url(#c);marker:url(#d);mask:url(#e);stroke:url(#f);"/> </svg>',
 228                                 true,
 229                                 true,
 230                                 'SVG with new CSS styles properties (http://html5sec.org/#109)'
 231                         ),
 232                         array(
 233                                 '<svg xmlns="http://www.w3.org/2000/svg"> <a id="x"><rect fill="white" width="1000" height="1000"/></a> <rect clip-path="url(test3.svg#a)" /> </svg>',
 234                                 true,
 235                                 true,
 236                                 'SVG with new CSS styles properties as attributes'
 237                         ),
 238                         array(
 239                                 '<svg xmlns="http://www.w3.org/2000/svg"> <a id="x"> <rect fill="white" width="1000" height="1000"/> </a> <rect fill="url(http://html5sec.org/test3.svg#a)" /> </svg>',
 240                                 true,
 241                                 true,
 242                                 'SVG with new CSS styles properties as attributes (2)'
 243                         ),
 244                         array(
 245                                 '<svg xmlns="http://www.w3.org/2000/svg"> <path d="M0,0" style="marker-start:url(test4.svg#a)"/> </svg>',
 246                                 true,
 247                                 true,
 248                                 'SVG with path marker-start (http://html5sec.org/#110)'
 249                         ),
 250                         array(
 251                                 '<?xml version="1.0"?> <?xml-stylesheet type="text/xml" href="#stylesheet"?> <!DOCTYPE doc [ <!ATTLIST xsl:stylesheet id ID #REQUIRED>]> <svg xmlns="http://www.w3.org/2000/svg"> <xsl:stylesheet id="stylesheet" version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform"> <xsl:template match="/"> <iframe xmlns="http://www.w3.org/1999/xhtml" src="javascript:alert(1)"></iframe> </xsl:template> </xsl:stylesheet> <circle fill="red" r="40"></circle> </svg>',
 252                                 true,
 253                                 true,
 254                                 'SVG with embedded stylesheet (http://html5sec.org/#125)'
 255                         ),
 256                         array(
 257                                 '<svg xmlns="http://www.w3.org/2000/svg" id="x"> <listener event="load" handler="#y" xmlns="http://www.w3.org/2001/xml-events" observer="x"/> <handler id="y">alert(1)</handler> </svg>',
 258                                 true,
 259                                 true,
 260                                 'SVG with handler attribute (http://html5sec.org/#127)'
 261                         ),
 262                         array(
 263                                 // Haven't found a browser that accepts this particular example, but we
 264                                 // don't want to allow embeded svgs, ever
 265                                 '<svg> <image style=\'filter:url("data:image/svg+xml;charset=utf-8;base64, PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjxzY3JpcHQ/YWxlcnQoMSk8L3NjcmlwdD48L3N2Zz4NCg==")\' /> </svg>',
 266                                 true,
 267                                 true,
 268                                 'SVG with image filter via style (http://html5sec.org/#129)'
 269                         ),
 270                         array(
 271                                 // This doesn't seem possible without embedding the svg, but just in case
 272                                 '<svg> <a xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="?"> <circle r="400"></circle> <animate attributeName="xlink:href" begin="0" from="javascript:alert(1)" to="" /> </a></svg>',
 273                                 true,
 274                                 true,
 275                                 'SVG with animate from (http://html5sec.org/#137)'
 276                         ),
 277
 278                         // Other hostile SVG's
 279                         array(
 280                                 '<?xml version="1.0" encoding="UTF-8" standalone="no"?> <svg xmlns:xlink="http://www.w3.org/1999/xlink"> <image xlink:href="https://upload.wikimedia.org/wikipedia/commons/3/34/Bahnstrecke_Zeitz-Camburg_1930.png" /> </svg>',
 281                                 true,
 282                                 true,
 283                                 'SVG with non-local image href (bug 65839)'
 284                         ),
 285                         array(
 286                                 '<?xml version="1.0" ?> <?xml-stylesheet type="text/xsl" href="/w/index.php?title=User:Jeeves/test.xsl&amp;action=raw&amp;format=xml" ?> <svg> <height>50</height> <width>100</width> </svg>',
 287                                 true,
 288                                 true,
 289                                 'SVG with remote stylesheet (bug 57550)'
 290                         ),
 291                         array(
 292                                 '<svg xmlns="http://www.w3.org/2000/svg" viewbox="-1 -1 15 15"> <rect y="0" height="13" width="12" stroke="#179" rx="1" fill="#2ac"/> <text x="1.5" y="11" font-family="courier" stroke="white" font-size="16"><![CDATA[B]]></text> <iframe xmlns="http://www.w3.org/1999/xhtml" srcdoc="&#x3C;&#x73;&#x63;&#x72;&#x69;&#x70;&#x74;&#x3E;&#x61;&#x6C;&#x65;&#x72;&#x74;&#x28;&#x27;&#x58;&#x53;&#x53;&#x45;&#x44;&#x20;&#x3D;&#x3E;&#x20;&#x44;&#x6F;&#x6D;&#x61;&#x69;&#x6E;&#x28;&#x27;&#x2B;&#x74;&#x6F;&#x70;&#x2E;&#x64;&#x6F;&#x63;&#x75;&#x6D;&#x65;&#x6E;&#x74;&#x2E;&#x64;&#x6F;&#x6D;&#x61;&#x69;&#x6E;&#x2B;&#x27;&#x29;&#x27;&#x29;&#x3B;&#x3C;&#x2F;&#x73;&#x63;&#x72;&#x69;&#x70;&#x74;&#x3E;"></iframe> </svg>',
 293                                 true,
 294                                 true,
 295                                 'SVG with rembeded iframe (bug 60771)'
 296                         ),
 297                         array(
 298                                 '<svg xmlns="http://www.w3.org/2000/svg" viewBox="6 3 177 153" xmlns:xlink="http://www.w3.org/1999/xlink"> <style>@import url("https://fonts.googleapis.com/css?family=Bitter:700&amp;text=WebPlatform.org");</style> <g transform="translate(-.5,-.5)"> <text fill="#474747" x="95" y="150" text-anchor="middle" font-family="Bitter" font-size="20" font-weight="bold">WebPlatform.org</text> </g> </svg>',
 299                                 true,
 300                                 true,
 301                                 'SVG with @import in style element (bug 69008)'
 302                         ),
 303                         array(
 304                                 '<svg xmlns="http://www.w3.org/2000/svg" viewBox="6 3 177 153" xmlns:xlink="http://www.w3.org/1999/xlink"> <style>@import url("https://fonts.googleapis.com/css?family=Bitter:700&amp;text=WebPlatform.org");<foo/></style> <g transform="translate(-.5,-.5)"> <text fill="#474747" x="95" y="150" text-anchor="middle" font-family="Bitter" font-size="20" font-weight="bold">WebPlatform.org</text> </g> </svg>',
 305                                 true,
 306                                 true,
 307                                 'SVG with @import in style element and child element (bug 69008#c11)'
 308                         ),
 309                         array(
 310                                 '<svg xmlns="http://www.w3.org/2000/svg"> <rect width="100" height="100" style="background-image:url(https://www.google.com/images/srpr/logo11w.png)"/> </svg>',
 311                                 true,
 312                                 true,
 313                                 'SVG with remote background image (bug 69008)'
 314                         ),
 315                         array(
 316                                 '<svg xmlns="http://www.w3.org/2000/svg"> <rect width="100" height="100" style="background-image:\55rl(https://www.google.com/images/srpr/logo11w.png)"/> </svg>',
 317                                 true,
 318                                 true,
 319                                 'SVG with remote background image, encoded (bug 69008)'
 320                         ),
 321                         array(
 322                                 '<svg xmlns="http://www.w3.org/2000/svg"> <style> #a { background-image:\55rl(\'https://www.google.com/images/srpr/logo11w.png\'); } </style> <rect width="100" height="100" id="a"/> </svg>',
 323                                 true,
 324                                 true,
 325                                 'SVG with remote background image, in style element (bug 69008)'
 326                         ),
 327                         array(
 328                                 // This currently doesn't seem to work in any browsers, but in case
 329                                 // http://www.w3.org/TR/css3-images/ is implemented for SVG files
 330                                 '<svg xmlns="http://www.w3.org/2000/svg"> <rect width="100" height="100" style="background-image:image(\'sprites.svg#xywh=40,0,20,20\')"/> </svg>',
 331                                 true,
 332                                 true,
 333                                 'SVG with remote background image using image() (bug 69008)'
 334                         ),
 335
 336                         // Test good, but strange files that we want to allow
 337                         array(
 338                                 '<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"> <g> <a xlink:href="http://en.wikipedia.org/wiki/Main_Page"> <path transform="translate(0,496)" id="path6706" d="m 112.09375,107.6875 -5.0625,3.625 -4.3125,5.03125 -0.46875,0.5 -4.09375,3.34375 -9.125,5.28125 -8.625,-3.375 z" style="fill:#cccccc;fill-opacity:1;stroke:#6e6e6e;stroke-width:0.69999999;stroke-linecap:round;stroke-linejoin:round;stroke-miterlimit:4;stroke-dasharray:none;display:inline" /> </a> </g> </svg>',
 339                                 true,
 340                                 false,
 341                                 'SVG with <a> link to a remote site'
 342                         ),
 343                         array(
 344                                 '<svg> <defs> <filter id="filter6226" x="-0.93243687" width="2.8648737" y="-0.24250539" height="1.4850108"> <feGaussianBlur stdDeviation="3.2344681" id="feGaussianBlur6228" /> </filter> <clipPath id="clipPath2436"> <path d="M 0,0 L 0,0 L 0,0 L 0,0 z" id="path2438" /> </clipPath> </defs> <g clip-path="url(#clipPath2436)" id="g2460"> <text id="text2466"> <tspan>12345</tspan> </text> </g> <path style="fill:#346733;fill-rule:evenodd;stroke:#000000;stroke-width:1;stroke-linecap:round;stroke-linejoin:bevel;stroke-opacity:1;stroke-miterlimit:4;stroke-dasharray:1, 1;stroke-dashoffset:0;filter:url(\'#filter6226\');fill-opacity:1;opacity:0.79807692" d="M 236.82371,332.63732 C 236.92217,332.63732 z" id="path5618" /> </svg>',
 345                                 true,
 346                                 false,
 347                                 'SVG with local urls, including filter: in style'
 348                         ),
 349
 350                 );
 351         }
 352 }
 353
 354 class UploadTestHandler extends UploadBase {
 355         public function initializeFromRequest( &$request ) {
 356         }
 357
 358         public function testTitleValidation( $name ) {
 359                 $this->mTitle = false;
 360                 $this->mDesiredDestName = $name;
 361                 $this->mTitleError = UploadBase::OK;
 362                 $this->getTitle();
 363
 364                 return $this->mTitleError;
 365         }
 366
 367         /**
 368          * Almost the same as UploadBase::detectScriptInSvg, except it's
 369          * public, works on an xml string instead of filename, and returns
 370          * the result instead of interpreting them.
 371          */
 372         public function checkSvgString( $svg ) {
 373                 $check = new XmlTypeCheck(
 374                         $svg,
 375                         array( $this, 'checkSvgScriptCallback' ),
 376                         false,
 377                         array( 'processing_instruction_handler' => 'UploadBase::checkSvgPICallback' )
 378                 );
 379                 return array( $check->wellFormed, $check->filterMatch );
 380         }
 381 }