ASN1
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ANSI.php
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ASN1.php
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X509.php
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index.html
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web.config
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ANSI.php
533 lines
| 1 | <?php |
| 2 | |
| 3 | /** |
| 4 | * Pure-PHP ANSI Decoder |
| 5 | * |
| 6 | * PHP version 5 |
| 7 | * |
| 8 | * If you call read() in \phpseclib3\Net\SSH2 you may get {@link http://en.wikipedia.org/wiki/ANSI_escape_code ANSI escape codes} back. |
| 9 | * They'd look like chr(0x1B) . '[00m' or whatever (0x1B = ESC). They tell a |
| 10 | * {@link http://en.wikipedia.org/wiki/Terminal_emulator terminal emulator} how to format the characters, what |
| 11 | * color to display them in, etc. \phpseclib3\File\ANSI is a {@link http://en.wikipedia.org/wiki/VT100 VT100} terminal emulator. |
| 12 | * |
| 13 | * @author Jim Wigginton <terrafrost@php.net> |
| 14 | * @copyright 2012 Jim Wigginton |
| 15 | * @license http://www.opensource.org/licenses/mit-license.html MIT License |
| 16 | * @link http://phpseclib.sourceforge.net |
| 17 | */ |
| 18 | |
| 19 | declare(strict_types=1); |
| 20 | |
| 21 | namespace phpseclib3\File; |
| 22 | |
| 23 | /** |
| 24 | * Pure-PHP ANSI Decoder |
| 25 | * |
| 26 | * @author Jim Wigginton <terrafrost@php.net> |
| 27 | */ |
| 28 | class ANSI |
| 29 | { |
| 30 | /** |
| 31 | * Max Width |
| 32 | * |
| 33 | * @var int |
| 34 | */ |
| 35 | private $max_x; |
| 36 | |
| 37 | /** |
| 38 | * Max Height |
| 39 | * |
| 40 | * @var int |
| 41 | */ |
| 42 | private $max_y; |
| 43 | |
| 44 | /** |
| 45 | * Max History |
| 46 | * |
| 47 | * @var int |
| 48 | */ |
| 49 | private $max_history; |
| 50 | |
| 51 | /** |
| 52 | * History |
| 53 | * |
| 54 | * @var array |
| 55 | */ |
| 56 | private $history; |
| 57 | |
| 58 | /** |
| 59 | * History Attributes |
| 60 | * |
| 61 | * @var array |
| 62 | */ |
| 63 | private $history_attrs; |
| 64 | |
| 65 | /** |
| 66 | * Current Column |
| 67 | * |
| 68 | * @var int |
| 69 | */ |
| 70 | private $x; |
| 71 | |
| 72 | /** |
| 73 | * Current Row |
| 74 | * |
| 75 | * @var int |
| 76 | */ |
| 77 | private $y; |
| 78 | |
| 79 | /** |
| 80 | * Old Column |
| 81 | * |
| 82 | * @var int |
| 83 | */ |
| 84 | private $old_x; |
| 85 | |
| 86 | /** |
| 87 | * Old Row |
| 88 | * |
| 89 | * @var int |
| 90 | */ |
| 91 | private $old_y; |
| 92 | |
| 93 | /** |
| 94 | * An empty attribute cell |
| 95 | * |
| 96 | * @var object |
| 97 | */ |
| 98 | private $base_attr_cell; |
| 99 | |
| 100 | /** |
| 101 | * The current attribute cell |
| 102 | * |
| 103 | * @var object |
| 104 | */ |
| 105 | private $attr_cell; |
| 106 | |
| 107 | /** |
| 108 | * An empty attribute row |
| 109 | * |
| 110 | * @var array |
| 111 | */ |
| 112 | private $attr_row; |
| 113 | |
| 114 | /** |
| 115 | * The current screen text |
| 116 | * |
| 117 | * @var list<string> |
| 118 | */ |
| 119 | private $screen; |
| 120 | |
| 121 | /** |
| 122 | * The current screen attributes |
| 123 | * |
| 124 | * @var array |
| 125 | */ |
| 126 | private $attrs; |
| 127 | |
| 128 | /** |
| 129 | * Current ANSI code |
| 130 | * |
| 131 | * @var string |
| 132 | */ |
| 133 | private $ansi; |
| 134 | |
| 135 | /** |
| 136 | * Tokenization |
| 137 | * |
| 138 | * @var array |
| 139 | */ |
| 140 | private $tokenization; |
| 141 | |
| 142 | /** |
| 143 | * Default Constructor. |
| 144 | * |
| 145 | * @return ANSI |
| 146 | */ |
| 147 | public function __construct() |
| 148 | { |
| 149 | $attr_cell = new \stdClass(); |
| 150 | $attr_cell->bold = false; |
| 151 | $attr_cell->underline = false; |
| 152 | $attr_cell->blink = false; |
| 153 | $attr_cell->background = 'black'; |
| 154 | $attr_cell->foreground = 'white'; |
| 155 | $attr_cell->reverse = false; |
| 156 | $this->base_attr_cell = clone $attr_cell; |
| 157 | $this->attr_cell = clone $attr_cell; |
| 158 | |
| 159 | $this->setHistory(200); |
| 160 | $this->setDimensions(80, 24); |
| 161 | } |
| 162 | |
| 163 | /** |
| 164 | * Set terminal width and height |
| 165 | * |
| 166 | * Resets the screen as well |
| 167 | */ |
| 168 | public function setDimensions(int $x, int $y): void |
| 169 | { |
| 170 | $this->max_x = $x - 1; |
| 171 | $this->max_y = $y - 1; |
| 172 | $this->x = $this->y = 0; |
| 173 | $this->history = $this->history_attrs = []; |
| 174 | $this->attr_row = array_fill(0, $this->max_x + 2, $this->base_attr_cell); |
| 175 | $this->screen = array_fill(0, $this->max_y + 1, ''); |
| 176 | $this->attrs = array_fill(0, $this->max_y + 1, $this->attr_row); |
| 177 | $this->ansi = ''; |
| 178 | } |
| 179 | |
| 180 | /** |
| 181 | * Set the number of lines that should be logged past the terminal height |
| 182 | */ |
| 183 | public function setHistory(int $history): void |
| 184 | { |
| 185 | $this->max_history = $history; |
| 186 | } |
| 187 | |
| 188 | /** |
| 189 | * Load a string |
| 190 | */ |
| 191 | public function loadString(string $source): void |
| 192 | { |
| 193 | $this->setDimensions($this->max_x + 1, $this->max_y + 1); |
| 194 | $this->appendString($source); |
| 195 | } |
| 196 | |
| 197 | /** |
| 198 | * Appdend a string |
| 199 | */ |
| 200 | public function appendString(string $source): void |
| 201 | { |
| 202 | $this->tokenization = ['']; |
| 203 | for ($i = 0; $i < strlen($source); $i++) { |
| 204 | if (strlen($this->ansi)) { |
| 205 | $this->ansi .= $source[$i]; |
| 206 | $chr = ord($source[$i]); |
| 207 | // http://en.wikipedia.org/wiki/ANSI_escape_code#Sequence_elements |
| 208 | // single character CSI's not currently supported |
| 209 | switch (true) { |
| 210 | case $this->ansi == "\x1B=": |
| 211 | $this->ansi = ''; |
| 212 | continue 2; |
| 213 | case strlen($this->ansi) == 2 && $chr >= 64 && $chr <= 95 && $chr != ord('['): |
| 214 | case strlen($this->ansi) > 2 && $chr >= 64 && $chr <= 126: |
| 215 | break; |
| 216 | default: |
| 217 | continue 2; |
| 218 | } |
| 219 | $this->tokenization[] = $this->ansi; |
| 220 | $this->tokenization[] = ''; |
| 221 | // http://ascii-table.com/ansi-escape-sequences-vt-100.php |
| 222 | switch ($this->ansi) { |
| 223 | case "\x1B[H": // Move cursor to upper left corner |
| 224 | $this->old_x = $this->x; |
| 225 | $this->old_y = $this->y; |
| 226 | $this->x = $this->y = 0; |
| 227 | break; |
| 228 | case "\x1B[J": // Clear screen from cursor down |
| 229 | $this->history = array_merge($this->history, array_slice(array_splice($this->screen, $this->y + 1), 0, $this->old_y)); |
| 230 | $this->screen = array_merge($this->screen, array_fill($this->y, $this->max_y, '')); |
| 231 | |
| 232 | $this->history_attrs = array_merge($this->history_attrs, array_slice(array_splice($this->attrs, $this->y + 1), 0, $this->old_y)); |
| 233 | $this->attrs = array_merge($this->attrs, array_fill($this->y, $this->max_y, $this->attr_row)); |
| 234 | |
| 235 | if (count($this->history) == $this->max_history) { |
| 236 | array_shift($this->history); |
| 237 | array_shift($this->history_attrs); |
| 238 | } |
| 239 | // fall-through |
| 240 | case "\x1B[K": // Clear screen from cursor right |
| 241 | $this->screen[$this->y] = substr($this->screen[$this->y], 0, $this->x); |
| 242 | |
| 243 | array_splice($this->attrs[$this->y], $this->x + 1, $this->max_x - $this->x, array_fill($this->x, $this->max_x - ($this->x - 1), $this->base_attr_cell)); |
| 244 | break; |
| 245 | case "\x1B[2K": // Clear entire line |
| 246 | $this->screen[$this->y] = str_repeat(' ', $this->x); |
| 247 | $this->attrs[$this->y] = $this->attr_row; |
| 248 | break; |
| 249 | case "\x1B[?1h": // set cursor key to application |
| 250 | case "\x1B[?25h": // show the cursor |
| 251 | case "\x1B(B": // set united states g0 character set |
| 252 | break; |
| 253 | case "\x1BE": // Move to next line |
| 254 | $this->newLine(); |
| 255 | $this->x = 0; |
| 256 | break; |
| 257 | default: |
| 258 | switch (true) { |
| 259 | case preg_match('#\x1B\[(\d+)B#', $this->ansi, $match): // Move cursor down n lines |
| 260 | $this->old_y = $this->y; |
| 261 | $this->y += (int) $match[1]; |
| 262 | break; |
| 263 | case preg_match('#\x1B\[(\d+);(\d+)H#', $this->ansi, $match): // Move cursor to screen location v,h |
| 264 | $this->old_x = $this->x; |
| 265 | $this->old_y = $this->y; |
| 266 | $this->x = $match[2] - 1; |
| 267 | $this->y = (int) $match[1] - 1; |
| 268 | break; |
| 269 | case preg_match('#\x1B\[(\d+)C#', $this->ansi, $match): // Move cursor right n lines |
| 270 | $this->old_x = $this->x; |
| 271 | $this->x += $match[1]; |
| 272 | break; |
| 273 | case preg_match('#\x1B\[(\d+)D#', $this->ansi, $match): // Move cursor left n lines |
| 274 | $this->old_x = $this->x; |
| 275 | $this->x -= $match[1]; |
| 276 | if ($this->x < 0) { |
| 277 | $this->x = 0; |
| 278 | } |
| 279 | break; |
| 280 | case preg_match('#\x1B\[(\d+);(\d+)r#', $this->ansi, $match): // Set top and bottom lines of a window |
| 281 | break; |
| 282 | case preg_match('#\x1B\[(\d*(?:;\d*)*)m#', $this->ansi, $match): // character attributes |
| 283 | $attr_cell = &$this->attr_cell; |
| 284 | $mods = explode(';', $match[1]); |
| 285 | foreach ($mods as $mod) { |
| 286 | switch ($mod) { |
| 287 | case '': |
| 288 | case '0': // Turn off character attributes |
| 289 | $attr_cell = clone $this->base_attr_cell; |
| 290 | break; |
| 291 | case '1': // Turn bold mode on |
| 292 | $attr_cell->bold = true; |
| 293 | break; |
| 294 | case '4': // Turn underline mode on |
| 295 | $attr_cell->underline = true; |
| 296 | break; |
| 297 | case '5': // Turn blinking mode on |
| 298 | $attr_cell->blink = true; |
| 299 | break; |
| 300 | case '7': // Turn reverse video on |
| 301 | $attr_cell->reverse = !$attr_cell->reverse; |
| 302 | $temp = $attr_cell->background; |
| 303 | $attr_cell->background = $attr_cell->foreground; |
| 304 | $attr_cell->foreground = $temp; |
| 305 | break; |
| 306 | default: // set colors |
| 307 | //$front = $attr_cell->reverse ? &$attr_cell->background : &$attr_cell->foreground; |
| 308 | $front = &$attr_cell->{ $attr_cell->reverse ? 'background' : 'foreground' }; |
| 309 | //$back = $attr_cell->reverse ? &$attr_cell->foreground : &$attr_cell->background; |
| 310 | $back = &$attr_cell->{ $attr_cell->reverse ? 'foreground' : 'background' }; |
| 311 | switch ($mod) { |
| 312 | // @codingStandardsIgnoreStart |
| 313 | case '30': $front = 'black'; break; |
| 314 | case '31': $front = 'red'; break; |
| 315 | case '32': $front = 'green'; break; |
| 316 | case '33': $front = 'yellow'; break; |
| 317 | case '34': $front = 'blue'; break; |
| 318 | case '35': $front = 'magenta'; break; |
| 319 | case '36': $front = 'cyan'; break; |
| 320 | case '37': $front = 'white'; break; |
| 321 | |
| 322 | case '40': $back = 'black'; break; |
| 323 | case '41': $back = 'red'; break; |
| 324 | case '42': $back = 'green'; break; |
| 325 | case '43': $back = 'yellow'; break; |
| 326 | case '44': $back = 'blue'; break; |
| 327 | case '45': $back = 'magenta'; break; |
| 328 | case '46': $back = 'cyan'; break; |
| 329 | case '47': $back = 'white'; break; |
| 330 | // @codingStandardsIgnoreEnd |
| 331 | |
| 332 | default: |
| 333 | //user_error('Unsupported attribute: ' . $mod); |
| 334 | $this->ansi = ''; |
| 335 | break 2; |
| 336 | } |
| 337 | } |
| 338 | } |
| 339 | break; |
| 340 | default: |
| 341 | //user_error("{$this->ansi} is unsupported\r\n"); |
| 342 | } |
| 343 | } |
| 344 | $this->ansi = ''; |
| 345 | continue; |
| 346 | } |
| 347 | |
| 348 | $this->tokenization[count($this->tokenization) - 1] .= $source[$i]; |
| 349 | switch ($source[$i]) { |
| 350 | case "\r": |
| 351 | $this->x = 0; |
| 352 | break; |
| 353 | case "\n": |
| 354 | $this->newLine(); |
| 355 | break; |
| 356 | case "\x08": // backspace |
| 357 | if ($this->x) { |
| 358 | $this->x--; |
| 359 | $this->attrs[$this->y][$this->x] = clone $this->base_attr_cell; |
| 360 | $this->screen[$this->y] = substr_replace( |
| 361 | $this->screen[$this->y], |
| 362 | $source[$i], |
| 363 | $this->x, |
| 364 | 1 |
| 365 | ); |
| 366 | } |
| 367 | break; |
| 368 | case "\x0F": // shift |
| 369 | break; |
| 370 | case "\x1B": // start ANSI escape code |
| 371 | $this->tokenization[count($this->tokenization) - 1] = substr($this->tokenization[count($this->tokenization) - 1], 0, -1); |
| 372 | //if (!strlen($this->tokenization[count($this->tokenization) - 1])) { |
| 373 | // array_pop($this->tokenization); |
| 374 | //} |
| 375 | $this->ansi .= "\x1B"; |
| 376 | break; |
| 377 | default: |
| 378 | $this->attrs[$this->y][$this->x] = clone $this->attr_cell; |
| 379 | if ($this->x > strlen($this->screen[$this->y])) { |
| 380 | $this->screen[$this->y] = str_repeat(' ', $this->x); |
| 381 | } |
| 382 | $this->screen[$this->y] = substr_replace( |
| 383 | $this->screen[$this->y], |
| 384 | $source[$i], |
| 385 | $this->x, |
| 386 | 1 |
| 387 | ); |
| 388 | |
| 389 | if ($this->x > $this->max_x) { |
| 390 | $this->x = 0; |
| 391 | $this->newLine(); |
| 392 | } else { |
| 393 | $this->x++; |
| 394 | } |
| 395 | } |
| 396 | } |
| 397 | } |
| 398 | |
| 399 | /** |
| 400 | * Add a new line |
| 401 | * |
| 402 | * Also update the $this->screen and $this->history buffers |
| 403 | */ |
| 404 | private function newLine(): void |
| 405 | { |
| 406 | //if ($this->y < $this->max_y) { |
| 407 | // $this->y++; |
| 408 | //} |
| 409 | |
| 410 | while ($this->y >= $this->max_y) { |
| 411 | $this->history = array_merge($this->history, [array_shift($this->screen)]); |
| 412 | $this->screen[] = ''; |
| 413 | |
| 414 | $this->history_attrs = array_merge($this->history_attrs, [array_shift($this->attrs)]); |
| 415 | $this->attrs[] = $this->attr_row; |
| 416 | |
| 417 | if (count($this->history) >= $this->max_history) { |
| 418 | array_shift($this->history); |
| 419 | array_shift($this->history_attrs); |
| 420 | } |
| 421 | |
| 422 | $this->y--; |
| 423 | } |
| 424 | $this->y++; |
| 425 | } |
| 426 | |
| 427 | /** |
| 428 | * Returns the current coordinate without preformating |
| 429 | */ |
| 430 | private function processCoordinate(\stdClass $last_attr, \stdClass $cur_attr, string $char): string |
| 431 | { |
| 432 | $output = ''; |
| 433 | |
| 434 | if ($last_attr != $cur_attr) { |
| 435 | $close = $open = ''; |
| 436 | if ($last_attr->foreground != $cur_attr->foreground) { |
| 437 | if ($cur_attr->foreground != 'white') { |
| 438 | $open .= '<span style="color: ' . $cur_attr->foreground . '">'; |
| 439 | } |
| 440 | if ($last_attr->foreground != 'white') { |
| 441 | $close = '</span>' . $close; |
| 442 | } |
| 443 | } |
| 444 | if ($last_attr->background != $cur_attr->background) { |
| 445 | if ($cur_attr->background != 'black') { |
| 446 | $open .= '<span style="background: ' . $cur_attr->background . '">'; |
| 447 | } |
| 448 | if ($last_attr->background != 'black') { |
| 449 | $close = '</span>' . $close; |
| 450 | } |
| 451 | } |
| 452 | if ($last_attr->bold != $cur_attr->bold) { |
| 453 | if ($cur_attr->bold) { |
| 454 | $open .= '<b>'; |
| 455 | } else { |
| 456 | $close = '</b>' . $close; |
| 457 | } |
| 458 | } |
| 459 | if ($last_attr->underline != $cur_attr->underline) { |
| 460 | if ($cur_attr->underline) { |
| 461 | $open .= '<u>'; |
| 462 | } else { |
| 463 | $close = '</u>' . $close; |
| 464 | } |
| 465 | } |
| 466 | if ($last_attr->blink != $cur_attr->blink) { |
| 467 | if ($cur_attr->blink) { |
| 468 | $open .= '<blink>'; |
| 469 | } else { |
| 470 | $close = '</blink>' . $close; |
| 471 | } |
| 472 | } |
| 473 | $output .= $close . $open; |
| 474 | } |
| 475 | |
| 476 | $output .= htmlspecialchars($char); |
| 477 | |
| 478 | return $output; |
| 479 | } |
| 480 | |
| 481 | /** |
| 482 | * Returns the current screen without preformating |
| 483 | */ |
| 484 | private function getScreenHelper(): string |
| 485 | { |
| 486 | $output = ''; |
| 487 | $last_attr = $this->base_attr_cell; |
| 488 | for ($i = 0; $i <= $this->max_y; $i++) { |
| 489 | for ($j = 0; $j <= $this->max_x; $j++) { |
| 490 | $cur_attr = $this->attrs[$i][$j]; |
| 491 | $output .= $this->processCoordinate($last_attr, $cur_attr, $this->screen[$i][$j] ?? ''); |
| 492 | $last_attr = $this->attrs[$i][$j]; |
| 493 | } |
| 494 | $output .= "\r\n"; |
| 495 | } |
| 496 | $output = substr($output, 0, -2); |
| 497 | // close any remaining open tags |
| 498 | $output .= $this->processCoordinate($last_attr, $this->base_attr_cell, ''); |
| 499 | return rtrim($output); |
| 500 | } |
| 501 | |
| 502 | /** |
| 503 | * Returns the current screen |
| 504 | */ |
| 505 | public function getScreen(): string |
| 506 | { |
| 507 | return '<pre width="' . ($this->max_x + 1) . '" style="color: white; background: black">' . $this->getScreenHelper() . '</pre>'; |
| 508 | } |
| 509 | |
| 510 | /** |
| 511 | * Returns the current screen and the x previous lines |
| 512 | */ |
| 513 | public function getHistory(): string |
| 514 | { |
| 515 | $scrollback = ''; |
| 516 | $last_attr = $this->base_attr_cell; |
| 517 | for ($i = 0; $i < count($this->history); $i++) { |
| 518 | for ($j = 0; $j <= $this->max_x + 1; $j++) { |
| 519 | $cur_attr = $this->history_attrs[$i][$j]; |
| 520 | $scrollback .= $this->processCoordinate($last_attr, $cur_attr, $this->history[$i][$j] ?? ''); |
| 521 | $last_attr = $this->history_attrs[$i][$j]; |
| 522 | } |
| 523 | $scrollback .= "\r\n"; |
| 524 | } |
| 525 | $base_attr_cell = $this->base_attr_cell; |
| 526 | $this->base_attr_cell = $last_attr; |
| 527 | $scrollback .= $this->getScreen(); |
| 528 | $this->base_attr_cell = $base_attr_cell; |
| 529 | |
| 530 | return '<pre width="' . ($this->max_x + 1) . '" style="color: white; background: black">' . $scrollback . '</span></pre>'; |
| 531 | } |
| 532 | } |
| 533 |