1: 2: 3: 4: 5: 6: 7: 8: 9: 10: 11: 12: 13: 14: 15: 16: 17: 18: 19: 20: 21: 22: 23: 24: 25: 26: 27: 28: 29: 30: 31: 32: 33: 34: 35: 36: 37: 38: 39: 40: 41: 42: 43: 44: 45: 46: 47: 48: 49: 50: 51: 52: 53: 54: 55: 56: 57: 58: 59: 60: 61: 62: 63: 64: 65: 66: 67: 68: 69: 70: 71: 72: 73: 74: 75: 76: 77: 78: 79: 80: 81: 82: 83: 84: 85: 86: 87: 88: 89: 90: 91: 92: 93: 94: 95: 96: 97: 98: 99: 100: 101: 102: 103: 104: 105: 106: 107: 108: 109: 110: 111: 112: 113: 114: 115: 116: 117: 118: 119: 120: 121: 122: 123: 124: 125: 126: 127: 128: 129: 130: 131: 132: 133: 134: 135: 136: 137: 138: 139: 140: 141: 142: 143: 144: 145: 146: 147: 148: 149: 150: 151: 152: 153: 154: 155: 156: 157: 158: 159: 160: 161: 162: 163: 164: 165: 166: 167: 168: 169: 170: 171: 172: 173: 174: 175: 176: 177: 178: 179: 180: 181: 182: 183: 184: 185: 186: 187: 188: 189: 190: 191: 192: 193: 194: 195: 196: 197: 198: 199: 200: 201: 202: 203: 204: 205: 206: 207: 208: 209: 210: 211: 212: 213: 214: 215: 216: 217: 218: 219: 220: 221: 222: 223: 224: 225: 226: 227: 228: 229: 230: 231: 232: 233: 234: 235: 236: 237: 238: 239: 240: 241: 242: 243: 244: 245: 246: 247: 248: 249: 250: 251: 252: 253: 254: 255: 256: 257: 258: 259: 260: 261: 262: 263: 264: 265: 266: 267: 268: 269: 270: 271: 272: 273: 274: 275: 276: 277: 278: 279: 280: 281: 282: 283: 284: 285: 286: 287: 288: 289: 290: 291: 292: 293: 294: 295: 296: 297: 298: 299: 300: 301: 302: 303: 304: 305: 306: 307: 308: 309: 310: 311: 312: 313: 314: 315: 316: 317: 318: 319: 320: 321: 322: 323: 324: 325: 326: 327: 328: 329: 330: 331: 332: 333: 334: 335: 336: 337: 338: 339: 340: 341: 342: 343: 344: 345: 346: 347: 348: 349: 350: 351: 352: 353: 354: 355: 356: 357: 358: 359: 360: 361: 362: 363: 364: 365: 366: 367: 368: 369: 370: 371: 372: 373: 374: 375: 376: 377: 378: 379: 380: 381: 382: 383: 384: 385: 386: 387: 388: 389: 390: 391: 392: 393: 394: 395: 396: 397: 398: 399: 400: 401: 402: 403: 404: 405: 406: 407: 408: 409: 410: 411: 412: 413: 414: 415: 416: 417: 418: 419: 420: 421: 422: 423: 424: 425: 426: 427: 428: 429: 430: 431: 432: 433: 434: 435: 436: 437: 438: 439: 440: 441: 442: 443: 444: 445: 446: 447: 448: 449: 450: 451: 452: 453: 454: 455: 456: 457: 458: 459: 460: 461: 462: 463: 464: 465: 466: 467: 468: 469: 470: 471: 472: 473: 474: 475: 476: 477: 478: 479: 480: 481: 482: 483: 484: 485: 486: 487: 488: 489: 490: 491: 492: 493: 494: 495: 496: 497: 498: 499: 500: 501: 502: 503: 504: 505: 506: 507: 508: 509: 510: 511: 512: 513: 514: 515: 516: 517: 518: 519: 520: 521: 522: 523: 524: 525: 526: 527: 528: 529: 530: 531: 532: 533: 534: 535: 536: 537: 538: 539: 540: 541: 542: 543: 544: 545: 546: 547: 548: 549: 550: 551: 552: 553: 554: 555: 556: 557: 558: 559: 560: 561: 562: 563: 564: 565: 566: 567: 568: 569: 570: 571: 572: 573: 574: 575: 576: 577: 578: 579: 580: 581: 582: 583: 584: 585: 586: 587: 588: 589: 590: 591: 592: 593: 594: 595: 596: 597: 598: 599: 600: 601: 602: 603: 604: 605: 606: 607: 608: 609: 610: 611: 612: 613: 614: 615: 616: 617: 618: 619: 620: 621: 622: 623: 624: 625: 626: 627: 628: 629: 630: 631: 632: 633: 634: 635: 636: 637: 638: 639: 640: 641: 642: 643: 644: 645: 646: 647: 648: 649: 650: 651: 652: 653: 654: 655: 656: 657: 658: 659: 660: 661: 662: 663: 664: 665: 666: 667: 668: 669: 670: 671: 672: 673: 674: 675: 676: 677: 678: 679: 680: 681: 682: 683: 684: 685: 686: 687: 688: 689: 690: 691: 692: 693: 694: 695: 696: 697: 698: 699: 700: 701: 702: 703: 704: 705: 706: 707: 708: 709: 710: 711: 712: 713: 714: 715: 716: 717: 718: 719: 720: 721: 722: 723: 724: 725: 726: 727: 728: 729: 730: 731: 732: 733: 734: 735: 736: 737: 738: 739: 740: 741: 742: 743: 744: 745: 746: 747: 748: 749: 750: 751: 752: 753: 754: 755: 756: 757: 758: 759: 760: 761: 762: 763: 764: 765: 766: 767: 768: 769: 770: 771: 772: 773: 774: 775: 776: 777: 778: 779: 780: 781: 782: 783: 784: 785: 786: 787: 788: 789: 790: 791: 792: 793: 794: 795: 796: 797: 798: 799: 800: 801: 802: 803: 804: 805: 806: 807: 808: 809: 810: 811: 812: 813: 814: 815: 816: 817: 818: 819: 820: 821: 822: 823: 824: 825: 826: 827: 828: 829: 830: 831: 832: 833: 834: 835: 836: 837: 838: 839: 840: 841: 842: 843: 844: 845: 846: 847: 848: 849: 850: 851: 852: 853: 854: 855: 856: 857: 858: 859: 860: 861: 862: 863: 864: 865: 866: 867: 868: 869: 870: 871: 872: 873: 874: 875: 876: 877: 878: 879: 880: 881: 882: 883: 884: 885: 886: 887: 888: 889: 890: 891: 892: 893: 894: 895: 896: 897: 898: 899: 900: 901: 902: 903: 904: 905: 906: 907: 908: 909: 910: 911: 912: 913: 914: 915: 916: 917: 918: 919: 920: 921: 922: 923: 924: 925: 926: 927: 928: 929: 930: 931: 932: 933: 934: 935: 936: 937: 938: 939: 940: 941: 942: 943: 944: 945: 946: 947: 948: 949: 950: 951: 952: 953: 954: 955: 956: 957: 958: 959: 960: 961: 962: 963: 964: 965: 966: 967: 968: 969: 970: 971: 972: 973: 974: 975: 976: 977: 978: 979: 980: 981: 982: 983: 984: 985: 986: 987: 988: 989: 990: 991: 992: 993: 994: 995: 996: 997: 998: 999: 1000: 1001: 1002: 1003: 1004: 1005: 1006: 1007: 1008: 1009: 1010: 1011: 1012: 1013: 1014: 1015: 1016: 1017: 1018: 1019: 1020: 1021: 1022: 1023: 1024: 1025: 1026: 1027: 1028: 1029: 1030: 1031: 1032: 1033: 1034: 1035: 1036: 1037: 1038: 1039: 1040: 1041: 1042: 1043: 1044: 1045: 1046: 1047: 1048: 1049: 1050: 1051: 1052: 1053: 1054: 1055: 1056: 1057: 1058: 1059: 1060: 1061: 1062: 1063: 1064: 1065: 1066: 1067: 1068: 1069: 1070: 1071: 1072: 1073: 1074: 1075: 1076: 1077: 1078: 1079: 1080: 1081: 1082: 1083: 1084: 1085: 1086: 1087: 1088: 1089: 1090: 1091: 1092: 1093: 1094: 1095: 1096: 1097: 1098: 1099: 1100: 1101: 1102: 1103: 1104: 1105: 1106: 1107: 1108: 1109: 1110: 1111: 1112: 1113: 1114: 1115: 1116: 1117: 1118: 1119: 1120: 1121: 1122: 1123: 1124: 1125: 1126: 1127: 1128: 1129: 1130: 1131: 1132: 1133: 1134: 1135: 1136: 1137: 1138: 1139: 1140: 1141: 1142: 1143: 1144: 1145: 1146: 1147: 1148: 1149: 1150: 1151: 1152: 1153: 1154: 1155: 1156: 1157: 1158: 1159: 1160: 1161: 1162: 1163: 1164: 1165:
<?php
if (!defined('SMF'))
die('No direct access...');
function downloadAvatar($url, $memID, $max_width, $max_height)
{
global $modSettings, $sourcedir, $smcFunc;
$ext = !empty($modSettings['avatar_download_png']) ? 'png' : 'jpeg';
$destName = 'avatar_' . $memID . '_' . time() . '.' . $ext;
if (empty($memID))
return false;
require_once($sourcedir . '/ManageAttachments.php');
removeAttachments(array('id_member' => $memID));
$id_folder = 1;
$avatar_hash = '';
$attachID = $smcFunc['db_insert']('',
'{db_prefix}attachments',
array(
'id_member' => 'int', 'attachment_type' => 'int', 'filename' => 'string-255', 'file_hash' => 'string-255', 'fileext' => 'string-8', 'size' => 'int',
'id_folder' => 'int',
),
array(
$memID, 1, $destName, $avatar_hash, $ext, 1,
$id_folder,
),
array('id_attach'),
1
);
$modSettings['new_avatar_data'] = array(
'id' => $attachID,
'filename' => $destName,
'type' => 1,
);
$destName = $modSettings['custom_avatar_dir'] . '/' . $destName . '.tmp';
if (!empty($modSettings['avatar_download_png']))
$success = resizeImageFile($url, $destName, $max_width, $max_height, 3);
else
$success = resizeImageFile($url, $destName, $max_width, $max_height);
$destName = substr($destName, 0, -4);
if ($success)
{
if (rename($destName . '.tmp', $destName))
{
list ($width, $height) = getimagesize($destName);
$mime_type = 'image/' . $ext;
$smcFunc['db_query']('', '
UPDATE {db_prefix}attachments
SET size = {int:filesize}, width = {int:width}, height = {int:height},
mime_type = {string:mime_type}
WHERE id_attach = {int:current_attachment}',
array(
'filesize' => filesize($destName),
'width' => (int) $width,
'height' => (int) $height,
'current_attachment' => $attachID,
'mime_type' => $mime_type,
)
);
return true;
}
else
return false;
}
else
{
$smcFunc['db_query']('', '
DELETE FROM {db_prefix}attachments
WHERE id_attach = {int:current_attachment}',
array(
'current_attachment' => $attachID,
)
);
@unlink($destName . '.tmp');
return false;
}
}
function createThumbnail($source, $max_width, $max_height)
{
global $modSettings;
$destName = $source . '_thumb.tmp';
if (!empty($modSettings['attachment_thumb_png']))
$success = resizeImageFile($source, $destName, $max_width, $max_height, 3);
else
$success = resizeImageFile($source, $destName, $max_width, $max_height);
$destName = substr($destName, 0, -4);
if ($success && @rename($destName . '.tmp', $destName))
return true;
else
{
@unlink($destName . '.tmp');
@touch($destName);
return false;
}
}
function reencodeImage($fileName, $preferred_format = 0)
{
if (!resizeImageFile($fileName, $fileName . '.tmp', null, null, $preferred_format))
{
if (file_exists($fileName . '.tmp'))
unlink($fileName . '.tmp');
return false;
}
if (!unlink($fileName))
return false;
if (!rename($fileName . '.tmp', $fileName))
return false;
}
function checkImageContents($fileName, $extensiveCheck = false)
{
$fp = fopen($fileName, 'rb');
if (!$fp)
fatal_lang_error('attach_timeout');
$prev_chunk = '';
while (!feof($fp))
{
$cur_chunk = fread($fp, 8192);
if (!empty($extensiveCheck))
{
if (preg_match('~(iframe|\\<\\?|\\<%|html|eval|body|script\W|(?-i)[CFZ]WS[\x01-\x0E])~i', $prev_chunk . $cur_chunk) === 1)
{
fclose($fp);
return false;
}
}
else
{
if (preg_match('~(\\<\\?php\s|(?-i)[CFZ]WS[\x01-\x0E])~i', $prev_chunk . $cur_chunk) === 1)
{
fclose($fp);
return false;
}
}
$prev_chunk = $cur_chunk;
}
fclose($fp);
return true;
}
function checkGD()
{
global $gd2;
if (($extensionFunctions = get_extension_funcs('gd')) === false)
return false;
$gd2 = in_array('imagecreatetruecolor', $extensionFunctions) && function_exists('imagecreatetruecolor');
return true;
}
function checkImagick()
{
return class_exists('Imagick', false);
}
function checkMagickWand()
{
return function_exists('newMagickWand');
}
function imageMemoryCheck($sizes)
{
global $modSettings;
if (empty($modSettings['attachment_thumb_memory']))
{
setMemoryLimit('128M');
return true;
}
$needed_memory = ($sizes[0] * $sizes[1] * 5);
return setMemoryLimit($needed_memory, true);
}
function resizeImageFile($source, $destination, $max_width, $max_height, $preferred_format = 0)
{
global $sourcedir;
if (!checkGD() && !checkImagick() && !checkMagickWand())
return false;
static $default_formats = array(
'1' => 'gif',
'2' => 'jpeg',
'3' => 'png',
'6' => 'bmp',
'15' => 'wbmp'
);
$fp_destination = fopen($destination, 'wb');
if ($fp_destination && (substr($source, 0, 7) == 'http://' || substr($source, 0, 8) == 'https://'))
{
$fileContents = fetch_web_data($source);
fwrite($fp_destination, $fileContents);
fclose($fp_destination);
$sizes = @getimagesize($destination);
}
elseif ($fp_destination)
{
$sizes = @getimagesize($source);
$fp_source = fopen($source, 'rb');
if ($fp_source !== false)
{
while (!feof($fp_source))
fwrite($fp_destination, fread($fp_source, 8192));
fclose($fp_source);
}
else
$sizes = array(-1, -1, -1);
fclose($fp_destination);
}
else
$sizes = array(-1, -1, -1);
if (!(checkIMagick() || checkMagickWand()) && checkGD() && !imageMemoryCheck($sizes))
return false;
if ((checkImagick() || checkMagickWand()) && isset($default_formats[$sizes[2]]))
{
return resizeImage(null, $destination, null, null, $max_width, $max_height, true, $preferred_format);
}
elseif (checkGD() && isset($default_formats[$sizes[2]]) && function_exists('imagecreatefrom' . $default_formats[$sizes[2]]))
{
$imagecreatefrom = 'imagecreatefrom' . $default_formats[$sizes[2]];
if ($src_img = @$imagecreatefrom($destination))
{
return resizeImage($src_img, $destination, imagesx($src_img), imagesy($src_img), $max_width === null ? imagesx($src_img) : $max_width, $max_height === null ? imagesy($src_img) : $max_height, true, $preferred_format);
}
}
return false;
}
function resizeImage($src_img, $destName, $src_width, $src_height, $max_width, $max_height, $force_resize = false, $preferred_format = 0)
{
global $gd2, $modSettings;
if (checkImagick() || checkMagickWand())
{
static $default_formats = array(
'1' => 'gif',
'2' => 'jpeg',
'3' => 'png',
'6' => 'bmp',
'15' => 'wbmp'
);
$preferred_format = empty($preferred_format) || !isset($default_formats[$preferred_format]) ? 2 : $preferred_format;
if (checkImagick())
{
$imagick = New Imagick($destName);
$src_width = empty($src_width) ? $imagick->getImageWidth() : $src_width;
$src_height = empty($src_height) ? $imagick->getImageHeight() : $src_height;
$dest_width = empty($max_width) ? $src_width : $max_width;
$dest_height = empty($max_height) ? $src_height : $max_height;
if ($default_formats[$preferred_format] == 'jpeg')
$imagick->setCompressionQuality(!empty($modSettings['avatar_jpeg_quality']) ? $modSettings['avatar_jpeg_quality'] : 82);
$imagick->setImageFormat($default_formats[$preferred_format]);
$imagick->resizeImage($dest_width, $dest_height, Imagick::FILTER_LANCZOS, 1, true);
$success = $imagick->writeImage($destName);
}
else
{
$magick_wand = newMagickWand();
MagickReadImage($magick_wand, $destName);
$src_width = empty($src_width) ? MagickGetImageWidth($magick_wand) : $src_width;
$src_height = empty($src_height) ? MagickGetImageSize($magick_wand) : $src_height;
$dest_width = empty($max_width) ? $src_width : $max_width;
$dest_height = empty($max_height) ? $src_height : $max_height;
if ($default_formats[$preferred_format] == 'jpeg')
MagickSetCompressionQuality($magick_wand, !empty($modSettings['avatar_jpeg_quality']) ? $modSettings['avatar_jpeg_quality'] : 82);
MagickSetImageFormat($magick_wand, $default_formats[$preferred_format]);
MagickResizeImage($magick_wand, $dest_width, $dest_height, MW_LanczosFilter, 1, true);
$success = MagickWriteImage($magick_wand, $destName);
}
return !empty($success);
}
elseif (checkGD())
{
$success = false;
if (!empty($max_width) || !empty($max_height))
{
if (!empty($max_width) && (empty($max_height) || round($src_height * $max_width / $src_width) <= $max_height))
{
$dst_width = $max_width;
$dst_height = round($src_height * $max_width / $src_width);
}
elseif (!empty($max_height))
{
$dst_width = round($src_width * $max_height / $src_height);
$dst_height = $max_height;
}
if (!empty($dst_width) && !empty($dst_height) && ($dst_width < $src_width || $dst_height < $src_height || $force_resize))
{
if ($gd2)
{
$dst_img = imagecreatetruecolor($dst_width, $dst_height);
if ((!empty($preferred_format)) && ($preferred_format == 3))
{
imagealphablending($dst_img, false);
if (function_exists('imagesavealpha'))
imagesavealpha($dst_img, true);
}
}
else
$dst_img = imagecreate($dst_width, $dst_height);
if ($gd2)
imagecopyresampled($dst_img, $src_img, 0, 0, 0, 0, $dst_width, $dst_height, $src_width, $src_height);
else
imagecopyresamplebicubic($dst_img, $src_img, 0, 0, 0, 0, $dst_width, $dst_height, $src_width, $src_height);
}
else
$dst_img = $src_img;
}
else
$dst_img = $src_img;
if (!empty($preferred_format) && ($preferred_format == 3) && function_exists('imagepng'))
$success = imagepng($dst_img, $destName);
elseif (!empty($preferred_format) && ($preferred_format == 1) && function_exists('imagegif'))
$success = imagegif($dst_img, $destName);
elseif (function_exists('imagejpeg'))
$success = imagejpeg($dst_img, $destName, !empty($modSettings['avatar_jpeg_quality']) ? $modSettings['avatar_jpeg_quality'] : 82);
imagedestroy($src_img);
if ($dst_img != $src_img)
imagedestroy($dst_img);
return $success;
}
else
return false;
}
function imagecopyresamplebicubic($dst_img, $src_img, $dst_x, $dst_y, $src_x, $src_y, $dst_w, $dst_h, $src_w, $src_h)
{
$palsize = imagecolorstotal($src_img);
for ($i = 0; $i < $palsize; $i++)
{
$colors = imagecolorsforindex($src_img, $i);
imagecolorallocate($dst_img, $colors['red'], $colors['green'], $colors['blue']);
}
$scaleX = ($src_w - 1) / $dst_w;
$scaleY = ($src_h - 1) / $dst_h;
$scaleX2 = (int) $scaleX / 2;
$scaleY2 = (int) $scaleY / 2;
for ($j = $src_y; $j < $dst_h; $j++)
{
$sY = (int) $j * $scaleY;
$y13 = $sY + $scaleY2;
for ($i = $src_x; $i < $dst_w; $i++)
{
$sX = (int) $i * $scaleX;
$x34 = $sX + $scaleX2;
$color1 = imagecolorsforindex($src_img, imagecolorat($src_img, $sX, $y13));
$color2 = imagecolorsforindex($src_img, imagecolorat($src_img, $sX, $sY));
$color3 = imagecolorsforindex($src_img, imagecolorat($src_img, $x34, $y13));
$color4 = imagecolorsforindex($src_img, imagecolorat($src_img, $x34, $sY));
$red = ($color1['red'] + $color2['red'] + $color3['red'] + $color4['red']) / 4;
$green = ($color1['green'] + $color2['green'] + $color3['green'] + $color4['green']) / 4;
$blue = ($color1['blue'] + $color2['blue'] + $color3['blue'] + $color4['blue']) / 4;
$color = imagecolorresolve($dst_img, $red, $green, $blue);
if ($color == -1)
{
if ($palsize++ < 256)
imagecolorallocate($dst_img, $red, $green, $blue);
$color = imagecolorclosest($dst_img, $red, $green, $blue);
}
imagesetpixel($dst_img, $i + $dst_x - $src_x, $j + $dst_y - $src_y, $color);
}
}
}
if (!function_exists('imagecreatefrombmp'))
{
function imagecreatefrombmp($filename)
{
global $gd2;
$fp = fopen($filename, 'rb');
$errors = error_reporting(0);
$header = unpack('vtype/Vsize/Vreserved/Voffset', fread($fp, 14));
$info = unpack('Vsize/Vwidth/Vheight/vplanes/vbits/Vcompression/Vimagesize/Vxres/Vyres/Vncolor/Vcolorimportant', fread($fp, 40));
if ($header['type'] != 0x4D42)
return false;
if ($gd2)
$dst_img = imagecreatetruecolor($info['width'], $info['height']);
else
$dst_img = imagecreate($info['width'], $info['height']);
$palette_size = $header['offset'] - 54;
$info['ncolor'] = $palette_size / 4;
$palette = array();
$palettedata = fread($fp, $palette_size);
$n = 0;
for ($j = 0; $j < $palette_size; $j++)
{
$b = ord($palettedata{$j++});
$g = ord($palettedata{$j++});
$r = ord($palettedata{$j++});
$palette[$n++] = imagecolorallocate($dst_img, $r, $g, $b);
}
$scan_line_size = ($info['bits'] * $info['width'] + 7) >> 3;
$scan_line_align = $scan_line_size & 3 ? 4 - ($scan_line_size & 3) : 0;
for ($y = 0, $l = $info['height'] - 1; $y < $info['height']; $y++, $l--)
{
fseek($fp, $header['offset'] + ($scan_line_size + $scan_line_align) * $l);
$scan_line = fread($fp, $scan_line_size);
if (strlen($scan_line) < $scan_line_size)
continue;
if ($info['bits'] == 32)
{
$x = 0;
for ($j = 0; $j < $scan_line_size; $x++)
{
$b = ord($scan_line{$j++});
$g = ord($scan_line{$j++});
$r = ord($scan_line{$j++});
$j++;
$color = imagecolorexact($dst_img, $r, $g, $b);
if ($color == -1)
{
$color = imagecolorallocate($dst_img, $r, $g, $b);
if ($color == -1)
$color = imagecolorclosest($dst_img, $r, $g, $b);
}
imagesetpixel($dst_img, $x, $y, $color);
}
}
elseif ($info['bits'] == 24)
{
$x = 0;
for ($j = 0; $j < $scan_line_size; $x++)
{
$b = ord($scan_line{$j++});
$g = ord($scan_line{$j++});
$r = ord($scan_line{$j++});
$color = imagecolorexact($dst_img, $r, $g, $b);
if ($color == -1)
{
$color = imagecolorallocate($dst_img, $r, $g, $b);
if ($color == -1)
$color = imagecolorclosest($dst_img, $r, $g, $b);
}
imagesetpixel($dst_img, $x, $y, $color);
}
}
elseif ($info['bits'] == 16)
{
$x = 0;
for ($j = 0; $j < $scan_line_size; $x++)
{
$b1 = ord($scan_line{$j++});
$b2 = ord($scan_line{$j++});
$word = $b2 * 256 + $b1;
$b = (($word & 31) * 255) / 31;
$g = ((($word >> 5) & 31) * 255) / 31;
$r = ((($word >> 10) & 31) * 255) / 31;
$color = imagecolorexact($dst_img, $r, $g, $b);
if ($color == -1)
{
$color = imagecolorallocate($dst_img, $r, $g, $b);
if ($color == -1)
$color = imagecolorclosest($dst_img, $r, $g, $b);
}
imagesetpixel($dst_img, $x, $y, $color);
}
}
elseif ($info['bits'] == 8)
{
$x = 0;
for ($j = 0; $j < $scan_line_size; $x++)
imagesetpixel($dst_img, $x, $y, $palette[ord($scan_line{$j++})]);
}
elseif ($info['bits'] == 4)
{
$x = 0;
for ($j = 0; $j < $scan_line_size; $x++)
{
$byte = ord($scan_line{$j++});
imagesetpixel($dst_img, $x, $y, $palette[(int) ($byte / 16)]);
if (++$x < $info['width'])
imagesetpixel($dst_img, $x, $y, $palette[$byte & 15]);
}
}
elseif ($info['bits'] == 1)
{
$x = 0;
for ($j = 0; $j < $scan_line_size; $x++)
{
$byte = ord($scan_line{$j++});
imagesetpixel($dst_img, $x, $y, $palette[(($byte) & 128) != 0]);
for ($shift = 1; $shift < 8; $shift++)
{
if (++$x < $info['width'])
imagesetpixel($dst_img, $x, $y, $palette[(($byte << $shift) & 128) != 0]);
}
}
}
}
fclose($fp);
error_reporting($errors);
return $dst_img;
}
}
function gif_outputAsPng($gif, $lpszFileName, $background_color = -1)
{
if (!isset($gif) || @get_class($gif) != 'cgif' || !$gif->loaded || $lpszFileName == '')
return false;
$fd = $gif->get_png_data($background_color);
if (strlen($fd) <= 0)
return false;
if (!($fh = @fopen($lpszFileName, 'wb')))
return false;
@fwrite($fh, $fd, strlen($fd));
@fflush($fh);
@fclose($fh);
return true;
}
function showCodeImage($code)
{
global $gd2, $settings, $user_info, $modSettings;
$imageType = $modSettings['visual_verification_type'];
if ($user_info['is_admin'] && isset($_GET['type']))
$imageType = (int) $_GET['type'];
$noiseType = $imageType == 3 ? 'low' : ($imageType == 4 ? 'high' : ($imageType == 5 ? 'extreme' : 'none'));
$varyFonts = $imageType > 3 ? true : false;
$simpleBGColor = $imageType < 3 ? true : false;
$simpleFGColor = $imageType == 0 ? true : false;
$rotationType = $imageType == 1 ? 'none' : ($imageType > 3 ? 'low' : 'high');
$showReverseChars = $imageType > 3 ? true : false;
$disableChars = $imageType == 0 ? true : false;
$fontColorType = $imageType == 1 ? 'plain' : ($imageType > 3 ? 'random' : 'cyclic');
$fontSizeRandom = $imageType > 3 ? true : false;
$fontHorSpace = $imageType > 3 ? 'high' : ($imageType == 1 ? 'medium' : 'minus');
$fontVerPos = $imageType == 1 ? 'fixed' : ($imageType > 3 ? 'vrandom' : 'random');
$fontTrans = $imageType == 2 || $imageType == 3 ? true : false;
$hasBorder = $simpleBGColor;
$character_spacing = 1;
if ($simpleBGColor)
$background_color = array(255, 255, 255);
else
$background_color = isset($settings['verification_background']) ? $settings['verification_background'] : array(236, 237, 243);
if ($simpleFGColor)
$foreground_color = array(0, 0, 0);
else
{
$foreground_color = array(64, 101, 136);
if (isset($settings['verification_foreground']))
$foreground_color = $settings['verification_foreground'];
}
if (!is_dir($settings['default_theme_dir'] . '/fonts'))
return false;
$font_dir = dir($settings['default_theme_dir'] . '/fonts');
$font_list = array();
$ttfont_list = array();
$endian = unpack('v', pack('S', 0x00FF)) === 0x00FF;
while ($entry = $font_dir->read())
{
if (preg_match('~^(.+)\.gdf$~', $entry, $matches) === 1)
{
if ($endian ^ (strpos($entry, '_end.gdf') === false))
$font_list[] = $entry;
}
elseif (preg_match('~^(.+)\.ttf$~', $entry, $matches) === 1)
$ttfont_list[] = $entry;
}
if (empty($font_list))
return false;
if (!$varyFonts)
{
$font_list = array($font_list[0]);
if (in_array('AnonymousPro.ttf', $ttfont_list))
$ttfont_list = array('AnonymousPro.ttf');
else
$ttfont_list = empty($ttfont_list) ? array() : array($ttfont_list[0]);
}
$characters = array();
$loaded_fonts = array();
for ($i = 0; $i < strlen($code); $i++)
{
$characters[$i] = array(
'id' => $code{$i},
'font' => array_rand($font_list),
);
$loaded_fonts[$characters[$i]['font']] = null;
}
foreach ($loaded_fonts as $font_index => $dummy)
$loaded_fonts[$font_index] = imageloadfont($settings['default_theme_dir'] . '/fonts/' . $font_list[$font_index]);
if ($imageType == 4 || $imageType == 5)
$extra = 80;
else
$extra = 45;
$total_width = $character_spacing * strlen($code) + $extra;
$max_height = 0;
foreach ($characters as $char_index => $character)
{
$characters[$char_index]['width'] = imagefontwidth($loaded_fonts[$character['font']]);
$characters[$char_index]['height'] = imagefontheight($loaded_fonts[$character['font']]);
$max_height = max($characters[$char_index]['height'] + 5, $max_height);
$total_width += $characters[$char_index]['width'];
}
$code_image = $gd2 ? imagecreatetruecolor($total_width, $max_height) : imagecreate($total_width, $max_height);
$bg_color = imagecolorallocate($code_image, $background_color[0], $background_color[1], $background_color[2]);
imagefilledrectangle($code_image, 0, 0, $total_width - 1, $max_height - 1, $bg_color);
for ($i = 0; $i < 3; $i++)
$foreground_color[$i] = mt_rand(max($foreground_color[$i] - 3, 0), min($foreground_color[$i] + 3, 255));
$fg_color = imagecolorallocate($code_image, $foreground_color[0], $foreground_color[1], $foreground_color[2]);
for ($i = 0; $i < 3; $i++)
$dotbgcolor[$i] = $background_color[$i] < $foreground_color[$i] ? mt_rand(0, max($foreground_color[$i] - 20, 0)) : mt_rand(min($foreground_color[$i] + 20, 255), 255);
$randomness_color = imagecolorallocate($code_image, $dotbgcolor[0], $dotbgcolor[1], $dotbgcolor[2]);
if ($noiseType == 'extreme')
{
for ($i = 0; $i < mt_rand(1, 5); $i++)
{
$x1 = mt_rand(0, $total_width / 4);
$x2 = $x1 + round(rand($total_width / 4, $total_width));
$y1 = mt_rand(0, $max_height);
$y2 = $y1 + round(rand(0, $max_height / 3));
imagefilledrectangle($code_image, $x1, $y1, $x2, $y2, mt_rand(0, 1) ? $fg_color : $randomness_color);
}
}
if (!$disableChars)
{
$cur_x = 0;
foreach ($characters as $char_index => $character)
{
$can_do_ttf = function_exists('imagettftext');
if ($rotationType == 'none')
$angle = 0;
else
$angle = mt_rand(-100, 100) / ($rotationType == 'high' ? 6 : 10);
if ($fontColorType == 'cyclic')
{
$colors = array(
array(10, 120, 95),
array(46, 81, 29),
array(4, 22, 154),
array(131, 9, 130),
array(0, 0, 0),
array(143, 39, 31),
);
if (!isset($last_index))
$last_index = -1;
$new_index = $last_index;
while ($last_index == $new_index)
$new_index = mt_rand(0, count($colors) - 1);
$char_fg_color = $colors[$new_index];
$last_index = $new_index;
}
elseif ($fontColorType == 'random')
$char_fg_color = array(mt_rand(max($foreground_color[0] - 2, 0), $foreground_color[0]), mt_rand(max($foreground_color[1] - 2, 0), $foreground_color[1]), mt_rand(max($foreground_color[2] - 2, 0), $foreground_color[2]));
else
$char_fg_color = array($foreground_color[0], $foreground_color[1], $foreground_color[2]);
if (!empty($can_do_ttf))
{
if ($fontSizeRandom)
$font_size = $gd2 ? mt_rand(17, 19) : mt_rand(18, 25);
else
$font_size = $gd2 ? 18 : 24;
$font_x = $fontHorSpace == 'minus' && $cur_x > 0 ? $cur_x - 3 : $cur_x + 5;
$font_y = $max_height - ($fontVerPos == 'vrandom' ? mt_rand(2, 8) : ($fontVerPos == 'random' ? mt_rand(3, 5) : 5));
if (!empty($ttfont_list))
$fontface = $settings['default_theme_dir'] . '/fonts/' . $ttfont_list[mt_rand(0, count($ttfont_list) - 1)];
$is_reverse = $showReverseChars ? mt_rand(0, 1) : false;
$char_color = function_exists('imagecolorallocatealpha') && $fontTrans ? imagecolorallocatealpha($code_image, $char_fg_color[0], $char_fg_color[1], $char_fg_color[2], 50) : imagecolorallocate($code_image, $char_fg_color[0], $char_fg_color[1], $char_fg_color[2]);
$fontcord = @imagettftext($code_image, $font_size, $angle, $font_x, $font_y, $char_color, $fontface, $character['id']);
if (empty($fontcord))
$can_do_ttf = false;
elseif ($is_reverse)
{
imagefilledpolygon($code_image, $fontcord, 4, $fg_color);
imagettftext($code_image, $font_size, $angle, $font_x, $font_y, $randomness_color, $fontface, $character['id']);
}
if ($can_do_ttf)
$cur_x = max($fontcord[2], $fontcord[4]) + ($angle == 0 ? 0 : 3);
}
if (!$can_do_ttf)
{
if (function_exists('imagerotate'))
{
$char_image = $gd2 ? imagecreatetruecolor($character['width'], $character['height']) : imagecreate($character['width'], $character['height']);
$char_bgcolor = imagecolorallocate($char_image, $background_color[0], $background_color[1], $background_color[2]);
imagefilledrectangle($char_image, 0, 0, $character['width'] - 1, $character['height'] - 1, $char_bgcolor);
imagechar($char_image, $loaded_fonts[$character['font']], 0, 0, $character['id'], imagecolorallocate($char_image, $char_fg_color[0], $char_fg_color[1], $char_fg_color[2]));
$rotated_char = imagerotate($char_image, mt_rand(-100, 100) / 10, $char_bgcolor);
imagecopy($code_image, $rotated_char, $cur_x, 0, 0, 0, $character['width'], $character['height']);
imagedestroy($rotated_char);
imagedestroy($char_image);
}
else
imagechar($code_image, $loaded_fonts[$character['font']], $cur_x, floor(($max_height - $character['height']) / 2), $character['id'], imagecolorallocate($code_image, $char_fg_color[0], $char_fg_color[1], $char_fg_color[2]));
$cur_x += $character['width'] + $character_spacing;
}
}
}
else
{
imageline($code_image, 0, 0, $total_width, $max_height, $fg_color);
imageline($code_image, 0, $max_height, $total_width, 0, $fg_color);
}
if (!$simpleBGColor)
imagecolortransparent($code_image, $bg_color);
if ($hasBorder)
imagerectangle($code_image, 0, 0, $total_width - 1, $max_height - 1, $fg_color);
if ($noiseType != 'none')
{
for ($i = mt_rand(0, 2); $i < $max_height; $i += mt_rand(1, 2))
for ($j = mt_rand(0, 10); $j < $total_width; $j += mt_rand(1, 10))
imagesetpixel($code_image, $j, $i, mt_rand(0, 1) ? $fg_color : $randomness_color);
if ($noiseType != 'extreme')
{
$num_lines = $noiseType == 'high' ? mt_rand(3, 7) : mt_rand(2, 5);
for ($i = 0; $i < $num_lines; $i++)
{
if (mt_rand(0, 1))
{
$x1 = mt_rand(0, $total_width);
$x2 = mt_rand(0, $total_width);
$y1 = 0;
$y2 = $max_height;
}
else
{
$y1 = mt_rand(0, $max_height);
$y2 = mt_rand(0, $max_height);
$x1 = 0;
$x2 = $total_width;
}
imagesetthickness($code_image, mt_rand(1, 2));
imageline($code_image, $x1, $y1, $x2, $y2, mt_rand(0, 1) ? $fg_color : $randomness_color);
}
}
else
{
$num_ellipse = $noiseType == 'extreme' ? mt_rand(6, 12) : mt_rand(2, 6);
for ($i = 0; $i < $num_ellipse; $i++)
{
$x1 = round(rand(($total_width / 4) * -1, $total_width + ($total_width / 4)));
$x2 = round(rand($total_width / 2, 2 * $total_width));
$y1 = round(rand(($max_height / 4) * -1, $max_height + ($max_height / 4)));
$y2 = round(rand($max_height / 2, 2 * $max_height));
imageellipse($code_image, $x1, $y1, $x2, $y2, mt_rand(0, 1) ? $fg_color : $randomness_color);
}
}
}
if (function_exists('imagegif'))
{
header('content-type: image/gif');
imagegif($code_image);
}
else
{
header('content-type: image/png');
imagepng($code_image);
}
imagedestroy($code_image);
die();
}
function showLetterImage($letter)
{
global $settings;
if (!is_dir($settings['default_theme_dir'] . '/fonts'))
return false;
$font_dir = dir($settings['default_theme_dir'] . '/fonts');
$font_list = array();
while ($entry = $font_dir->read())
if ($entry[0] !== '.' && is_dir($settings['default_theme_dir'] . '/fonts/' . $entry) && file_exists($settings['default_theme_dir'] . '/fonts/' . $entry . '.gdf'))
$font_list[] = $entry;
if (empty($font_list))
return false;
$random_font = $font_list[array_rand($font_list)];
if (!file_exists($settings['default_theme_dir'] . '/fonts/' . $random_font . '/' . $letter . '.png'))
return false;
header('content-type: image/png');
include($settings['default_theme_dir'] . '/fonts/' . $random_font . '/' . $letter . '.png');
die();
}
?>