annotate vendor/zendframework/zend-feed/src/Writer/Renderer/Entry/Atom.php @ 19:fa3358dc1485 tip

Add ndrum files
author Chris Cannam
date Wed, 28 Aug 2019 13:14:47 +0100
parents 129ea1e6d783
children
rev   line source
Chris@0 1 <?php
Chris@0 2 /**
Chris@0 3 * Zend Framework (http://framework.zend.com/)
Chris@0 4 *
Chris@0 5 * @link http://github.com/zendframework/zf2 for the canonical source repository
Chris@0 6 * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
Chris@0 7 * @license http://framework.zend.com/license/new-bsd New BSD License
Chris@0 8 */
Chris@0 9
Chris@0 10 namespace Zend\Feed\Writer\Renderer\Entry;
Chris@0 11
Chris@0 12 use DateTime;
Chris@0 13 use DOMDocument;
Chris@0 14 use DOMElement;
Chris@0 15 use Zend\Feed\Uri;
Chris@0 16 use Zend\Feed\Writer;
Chris@0 17 use Zend\Feed\Writer\Renderer;
Chris@0 18 use Zend\Validator;
Chris@0 19
Chris@0 20 class Atom extends Renderer\AbstractRenderer implements Renderer\RendererInterface
Chris@0 21 {
Chris@0 22 /**
Chris@0 23 * Constructor
Chris@0 24 *
Chris@0 25 * @param Writer\Entry $container
Chris@0 26 */
Chris@0 27 public function __construct(Writer\Entry $container)
Chris@0 28 {
Chris@0 29 parent::__construct($container);
Chris@0 30 }
Chris@0 31
Chris@0 32 /**
Chris@0 33 * Render atom entry
Chris@0 34 *
Chris@0 35 * @return Atom
Chris@0 36 */
Chris@0 37 public function render()
Chris@0 38 {
Chris@0 39 $this->dom = new DOMDocument('1.0', $this->container->getEncoding());
Chris@0 40 $this->dom->formatOutput = true;
Chris@0 41 $entry = $this->dom->createElementNS(Writer\Writer::NAMESPACE_ATOM_10, 'entry');
Chris@0 42 $this->dom->appendChild($entry);
Chris@0 43
Chris@0 44 $this->_setSource($this->dom, $entry);
Chris@0 45 $this->_setTitle($this->dom, $entry);
Chris@0 46 $this->_setDescription($this->dom, $entry);
Chris@0 47 $this->_setDateCreated($this->dom, $entry);
Chris@0 48 $this->_setDateModified($this->dom, $entry);
Chris@0 49 $this->_setLink($this->dom, $entry);
Chris@0 50 $this->_setId($this->dom, $entry);
Chris@0 51 $this->_setAuthors($this->dom, $entry);
Chris@0 52 $this->_setEnclosure($this->dom, $entry);
Chris@0 53 $this->_setContent($this->dom, $entry);
Chris@0 54 $this->_setCategories($this->dom, $entry);
Chris@0 55
Chris@0 56 foreach ($this->extensions as $ext) {
Chris@0 57 $ext->setType($this->getType());
Chris@0 58 $ext->setRootElement($this->getRootElement());
Chris@12 59 $ext->setDomDocument($this->getDomDocument(), $entry);
Chris@0 60 $ext->render();
Chris@0 61 }
Chris@0 62
Chris@0 63 return $this;
Chris@0 64 }
Chris@0 65
Chris@0 66 /**
Chris@0 67 * Set entry title
Chris@0 68 *
Chris@0 69 * @param DOMDocument $dom
Chris@0 70 * @param DOMElement $root
Chris@0 71 * @return void
Chris@0 72 * @throws Writer\Exception\InvalidArgumentException
Chris@0 73 */
Chris@12 74 // @codingStandardsIgnoreStart
Chris@0 75 protected function _setTitle(DOMDocument $dom, DOMElement $root)
Chris@0 76 {
Chris@12 77 // @codingStandardsIgnoreEnd
Chris@12 78 if (! $this->getDataContainer()->getTitle()) {
Chris@0 79 $message = 'Atom 1.0 entry elements MUST contain exactly one'
Chris@0 80 . ' atom:title element but a title has not been set';
Chris@0 81 $exception = new Writer\Exception\InvalidArgumentException($message);
Chris@12 82 if (! $this->ignoreExceptions) {
Chris@0 83 throw $exception;
Chris@0 84 } else {
Chris@0 85 $this->exceptions[] = $exception;
Chris@0 86 return;
Chris@0 87 }
Chris@0 88 }
Chris@0 89 $title = $dom->createElement('title');
Chris@0 90 $root->appendChild($title);
Chris@0 91 $title->setAttribute('type', 'html');
Chris@0 92 $cdata = $dom->createCDATASection($this->getDataContainer()->getTitle());
Chris@0 93 $title->appendChild($cdata);
Chris@0 94 }
Chris@0 95
Chris@0 96 /**
Chris@0 97 * Set entry description
Chris@0 98 *
Chris@0 99 * @param DOMDocument $dom
Chris@0 100 * @param DOMElement $root
Chris@0 101 * @return void
Chris@0 102 */
Chris@12 103 // @codingStandardsIgnoreStart
Chris@0 104 protected function _setDescription(DOMDocument $dom, DOMElement $root)
Chris@0 105 {
Chris@12 106 // @codingStandardsIgnoreEnd
Chris@12 107 if (! $this->getDataContainer()->getDescription()) {
Chris@0 108 return; // unless src content or base64
Chris@0 109 }
Chris@0 110 $subtitle = $dom->createElement('summary');
Chris@0 111 $root->appendChild($subtitle);
Chris@0 112 $subtitle->setAttribute('type', 'html');
Chris@0 113 $cdata = $dom->createCDATASection(
Chris@0 114 $this->getDataContainer()->getDescription()
Chris@0 115 );
Chris@0 116 $subtitle->appendChild($cdata);
Chris@0 117 }
Chris@0 118
Chris@0 119 /**
Chris@0 120 * Set date entry was modified
Chris@0 121 *
Chris@0 122 * @param DOMDocument $dom
Chris@0 123 * @param DOMElement $root
Chris@0 124 * @return void
Chris@0 125 * @throws Writer\Exception\InvalidArgumentException
Chris@0 126 */
Chris@12 127 // @codingStandardsIgnoreStart
Chris@0 128 protected function _setDateModified(DOMDocument $dom, DOMElement $root)
Chris@0 129 {
Chris@12 130 // @codingStandardsIgnoreEnd
Chris@12 131 if (! $this->getDataContainer()->getDateModified()) {
Chris@0 132 $message = 'Atom 1.0 entry elements MUST contain exactly one'
Chris@0 133 . ' atom:updated element but a modification date has not been set';
Chris@0 134 $exception = new Writer\Exception\InvalidArgumentException($message);
Chris@12 135 if (! $this->ignoreExceptions) {
Chris@0 136 throw $exception;
Chris@0 137 } else {
Chris@0 138 $this->exceptions[] = $exception;
Chris@0 139 return;
Chris@0 140 }
Chris@0 141 }
Chris@0 142
Chris@0 143 $updated = $dom->createElement('updated');
Chris@0 144 $root->appendChild($updated);
Chris@0 145 $text = $dom->createTextNode(
Chris@0 146 $this->getDataContainer()->getDateModified()->format(DateTime::ATOM)
Chris@0 147 );
Chris@0 148 $updated->appendChild($text);
Chris@0 149 }
Chris@0 150
Chris@0 151 /**
Chris@0 152 * Set date entry was created
Chris@0 153 *
Chris@0 154 * @param DOMDocument $dom
Chris@0 155 * @param DOMElement $root
Chris@0 156 * @return void
Chris@0 157 */
Chris@12 158 // @codingStandardsIgnoreStart
Chris@0 159 protected function _setDateCreated(DOMDocument $dom, DOMElement $root)
Chris@0 160 {
Chris@12 161 // @codingStandardsIgnoreEnd
Chris@12 162 if (! $this->getDataContainer()->getDateCreated()) {
Chris@0 163 return;
Chris@0 164 }
Chris@0 165 $el = $dom->createElement('published');
Chris@0 166 $root->appendChild($el);
Chris@0 167 $text = $dom->createTextNode(
Chris@0 168 $this->getDataContainer()->getDateCreated()->format(DateTime::ATOM)
Chris@0 169 );
Chris@0 170 $el->appendChild($text);
Chris@0 171 }
Chris@0 172
Chris@0 173 /**
Chris@0 174 * Set entry authors
Chris@0 175 *
Chris@0 176 * @param DOMDocument $dom
Chris@0 177 * @param DOMElement $root
Chris@0 178 * @return void
Chris@0 179 */
Chris@12 180 // @codingStandardsIgnoreStart
Chris@0 181 protected function _setAuthors(DOMDocument $dom, DOMElement $root)
Chris@0 182 {
Chris@12 183 // @codingStandardsIgnoreEnd
Chris@0 184 $authors = $this->container->getAuthors();
Chris@12 185 if ((! $authors || empty($authors))) {
Chris@0 186 /**
Chris@0 187 * This will actually trigger an Exception at the feed level if
Chris@0 188 * a feed level author is not set.
Chris@0 189 */
Chris@0 190 return;
Chris@0 191 }
Chris@0 192 foreach ($authors as $data) {
Chris@0 193 $author = $this->dom->createElement('author');
Chris@0 194 $name = $this->dom->createElement('name');
Chris@0 195 $author->appendChild($name);
Chris@0 196 $root->appendChild($author);
Chris@0 197 $text = $dom->createTextNode($data['name']);
Chris@0 198 $name->appendChild($text);
Chris@0 199 if (array_key_exists('email', $data)) {
Chris@0 200 $email = $this->dom->createElement('email');
Chris@0 201 $author->appendChild($email);
Chris@0 202 $text = $dom->createTextNode($data['email']);
Chris@0 203 $email->appendChild($text);
Chris@0 204 }
Chris@0 205 if (array_key_exists('uri', $data)) {
Chris@0 206 $uri = $this->dom->createElement('uri');
Chris@0 207 $author->appendChild($uri);
Chris@0 208 $text = $dom->createTextNode($data['uri']);
Chris@0 209 $uri->appendChild($text);
Chris@0 210 }
Chris@0 211 }
Chris@0 212 }
Chris@0 213
Chris@0 214 /**
Chris@0 215 * Set entry enclosure
Chris@0 216 *
Chris@0 217 * @param DOMDocument $dom
Chris@0 218 * @param DOMElement $root
Chris@0 219 * @return void
Chris@0 220 */
Chris@12 221 // @codingStandardsIgnoreStart
Chris@0 222 protected function _setEnclosure(DOMDocument $dom, DOMElement $root)
Chris@0 223 {
Chris@12 224 // @codingStandardsIgnoreEnd
Chris@0 225 $data = $this->container->getEnclosure();
Chris@12 226 if ((! $data || empty($data))) {
Chris@0 227 return;
Chris@0 228 }
Chris@0 229 $enclosure = $this->dom->createElement('link');
Chris@0 230 $enclosure->setAttribute('rel', 'enclosure');
Chris@0 231 if (isset($data['type'])) {
Chris@0 232 $enclosure->setAttribute('type', $data['type']);
Chris@0 233 }
Chris@0 234 if (isset($data['length'])) {
Chris@0 235 $enclosure->setAttribute('length', $data['length']);
Chris@0 236 }
Chris@0 237 $enclosure->setAttribute('href', $data['uri']);
Chris@0 238 $root->appendChild($enclosure);
Chris@0 239 }
Chris@0 240
Chris@12 241 // @codingStandardsIgnoreStart
Chris@0 242 protected function _setLink(DOMDocument $dom, DOMElement $root)
Chris@0 243 {
Chris@12 244 // @codingStandardsIgnoreEnd
Chris@12 245 if (! $this->getDataContainer()->getLink()) {
Chris@0 246 return;
Chris@0 247 }
Chris@0 248 $link = $dom->createElement('link');
Chris@0 249 $root->appendChild($link);
Chris@0 250 $link->setAttribute('rel', 'alternate');
Chris@0 251 $link->setAttribute('type', 'text/html');
Chris@0 252 $link->setAttribute('href', $this->getDataContainer()->getLink());
Chris@0 253 }
Chris@0 254
Chris@0 255 /**
Chris@0 256 * Set entry identifier
Chris@0 257 *
Chris@0 258 * @param DOMDocument $dom
Chris@0 259 * @param DOMElement $root
Chris@0 260 * @return void
Chris@0 261 * @throws Writer\Exception\InvalidArgumentException
Chris@0 262 */
Chris@12 263 // @codingStandardsIgnoreStart
Chris@0 264 protected function _setId(DOMDocument $dom, DOMElement $root)
Chris@0 265 {
Chris@12 266 // @codingStandardsIgnoreEnd
Chris@12 267 if (! $this->getDataContainer()->getId()
Chris@12 268 && ! $this->getDataContainer()->getLink()) {
Chris@0 269 $message = 'Atom 1.0 entry elements MUST contain exactly one '
Chris@0 270 . 'atom:id element, or as an alternative, we can use the same '
Chris@0 271 . 'value as atom:link however neither a suitable link nor an '
Chris@0 272 . 'id have been set';
Chris@0 273 $exception = new Writer\Exception\InvalidArgumentException($message);
Chris@12 274 if (! $this->ignoreExceptions) {
Chris@0 275 throw $exception;
Chris@0 276 } else {
Chris@0 277 $this->exceptions[] = $exception;
Chris@0 278 return;
Chris@0 279 }
Chris@0 280 }
Chris@0 281
Chris@12 282 if (! $this->getDataContainer()->getId()) {
Chris@0 283 $this->getDataContainer()->setId(
Chris@0 284 $this->getDataContainer()->getLink()
Chris@0 285 );
Chris@0 286 }
Chris@12 287 if (! Uri::factory($this->getDataContainer()->getId())->isValid()
Chris@12 288 && ! preg_match(
Chris@0 289 "#^urn:[a-zA-Z0-9][a-zA-Z0-9\-]{1,31}:([a-zA-Z0-9\(\)\+\,\.\:\=\@\;\$\_\!\*\-]|%[0-9a-fA-F]{2})*#",
Chris@0 290 $this->getDataContainer()->getId()
Chris@0 291 )
Chris@12 292 && ! $this->_validateTagUri($this->getDataContainer()->getId())
Chris@0 293 ) {
Chris@0 294 throw new Writer\Exception\InvalidArgumentException('Atom 1.0 IDs must be a valid URI/IRI');
Chris@0 295 }
Chris@0 296 $id = $dom->createElement('id');
Chris@0 297 $root->appendChild($id);
Chris@0 298 $text = $dom->createTextNode($this->getDataContainer()->getId());
Chris@0 299 $id->appendChild($text);
Chris@0 300 }
Chris@0 301
Chris@0 302 /**
Chris@0 303 * Validate a URI using the tag scheme (RFC 4151)
Chris@0 304 *
Chris@0 305 * @param string $id
Chris@0 306 * @return bool
Chris@0 307 */
Chris@12 308 // @codingStandardsIgnoreStart
Chris@0 309 protected function _validateTagUri($id)
Chris@0 310 {
Chris@12 311 // @codingStandardsIgnoreEnd
Chris@0 312 if (preg_match(
Chris@0 313 '/^tag:(?P<name>.*),(?P<date>\d{4}-?\d{0,2}-?\d{0,2}):(?P<specific>.*)(.*:)*$/',
Chris@0 314 $id,
Chris@0 315 $matches
Chris@0 316 )) {
Chris@0 317 $dvalid = false;
Chris@0 318 $date = $matches['date'];
Chris@0 319 $d6 = strtotime($date);
Chris@0 320 if ((strlen($date) == 4) && $date <= date('Y')) {
Chris@0 321 $dvalid = true;
Chris@0 322 } elseif ((strlen($date) == 7) && ($d6 < strtotime("now"))) {
Chris@0 323 $dvalid = true;
Chris@0 324 } elseif ((strlen($date) == 10) && ($d6 < strtotime("now"))) {
Chris@0 325 $dvalid = true;
Chris@0 326 }
Chris@0 327 $validator = new Validator\EmailAddress;
Chris@0 328 if ($validator->isValid($matches['name'])) {
Chris@0 329 $nvalid = true;
Chris@0 330 } else {
Chris@0 331 $nvalid = $validator->isValid('info@' . $matches['name']);
Chris@0 332 }
Chris@0 333 return $dvalid && $nvalid;
Chris@0 334 }
Chris@0 335 return false;
Chris@0 336 }
Chris@0 337
Chris@0 338 /**
Chris@0 339 * Set entry content
Chris@0 340 *
Chris@0 341 * @param DOMDocument $dom
Chris@0 342 * @param DOMElement $root
Chris@0 343 * @return void
Chris@0 344 * @throws Writer\Exception\InvalidArgumentException
Chris@0 345 */
Chris@12 346 // @codingStandardsIgnoreStart
Chris@0 347 protected function _setContent(DOMDocument $dom, DOMElement $root)
Chris@0 348 {
Chris@12 349 // @codingStandardsIgnoreEnd
Chris@0 350 $content = $this->getDataContainer()->getContent();
Chris@12 351 if (! $content && ! $this->getDataContainer()->getLink()) {
Chris@0 352 $message = 'Atom 1.0 entry elements MUST contain exactly one '
Chris@0 353 . 'atom:content element, or as an alternative, at least one link '
Chris@0 354 . 'with a rel attribute of "alternate" to indicate an alternate '
Chris@0 355 . 'method to consume the content.';
Chris@0 356 $exception = new Writer\Exception\InvalidArgumentException($message);
Chris@12 357 if (! $this->ignoreExceptions) {
Chris@0 358 throw $exception;
Chris@0 359 } else {
Chris@0 360 $this->exceptions[] = $exception;
Chris@0 361 return;
Chris@0 362 }
Chris@0 363 }
Chris@12 364 if (! $content) {
Chris@0 365 return;
Chris@0 366 }
Chris@0 367 $element = $dom->createElement('content');
Chris@0 368 $element->setAttribute('type', 'xhtml');
Chris@0 369 $xhtmlElement = $this->_loadXhtml($content);
Chris@0 370 $deep = version_compare(PHP_VERSION, '7', 'ge') ? 1 : true;
Chris@0 371 $xhtml = $dom->importNode($xhtmlElement, $deep);
Chris@0 372 $element->appendChild($xhtml);
Chris@0 373 $root->appendChild($element);
Chris@0 374 }
Chris@0 375
Chris@0 376 /**
Chris@0 377 * Load a HTML string and attempt to normalise to XML
Chris@17 378 *
Chris@17 379 * @param string $content
Chris@17 380 * @return \DOMElement
Chris@0 381 */
Chris@12 382 // @codingStandardsIgnoreStart
Chris@0 383 protected function _loadXhtml($content)
Chris@0 384 {
Chris@12 385 // @codingStandardsIgnoreEnd
Chris@0 386 if (class_exists('tidy', false)) {
Chris@0 387 $tidy = new \tidy;
Chris@0 388 $config = [
Chris@0 389 'output-xhtml' => true,
Chris@0 390 'show-body-only' => true,
Chris@0 391 'quote-nbsp' => false
Chris@0 392 ];
Chris@0 393 $encoding = str_replace('-', '', $this->getEncoding());
Chris@0 394 $tidy->parseString($content, $config, $encoding);
Chris@0 395 $tidy->cleanRepair();
Chris@0 396 $xhtml = (string) $tidy;
Chris@0 397 } else {
Chris@0 398 $xhtml = $content;
Chris@0 399 }
Chris@0 400 $xhtml = preg_replace([
Chris@0 401 "/(<[\/]?)([a-zA-Z]+)/"
Chris@0 402 ], '$1xhtml:$2', $xhtml);
Chris@0 403 $dom = new DOMDocument('1.0', $this->getEncoding());
Chris@0 404 $dom->loadXML(
Chris@0 405 '<xhtml:div xmlns:xhtml="http://www.w3.org/1999/xhtml">'
Chris@0 406 . $xhtml
Chris@0 407 . '</xhtml:div>'
Chris@0 408 );
Chris@0 409 return $dom->documentElement;
Chris@0 410 }
Chris@0 411
Chris@0 412 /**
Chris@0 413 * Set entry categories
Chris@0 414 *
Chris@0 415 * @param DOMDocument $dom
Chris@0 416 * @param DOMElement $root
Chris@0 417 * @return void
Chris@0 418 */
Chris@12 419 // @codingStandardsIgnoreStart
Chris@0 420 protected function _setCategories(DOMDocument $dom, DOMElement $root)
Chris@0 421 {
Chris@12 422 // @codingStandardsIgnoreEnd
Chris@0 423 $categories = $this->getDataContainer()->getCategories();
Chris@12 424 if (! $categories) {
Chris@0 425 return;
Chris@0 426 }
Chris@0 427 foreach ($categories as $cat) {
Chris@0 428 $category = $dom->createElement('category');
Chris@0 429 $category->setAttribute('term', $cat['term']);
Chris@0 430 if (isset($cat['label'])) {
Chris@0 431 $category->setAttribute('label', $cat['label']);
Chris@0 432 } else {
Chris@0 433 $category->setAttribute('label', $cat['term']);
Chris@0 434 }
Chris@0 435 if (isset($cat['scheme'])) {
Chris@0 436 $category->setAttribute('scheme', $cat['scheme']);
Chris@0 437 }
Chris@0 438 $root->appendChild($category);
Chris@0 439 }
Chris@0 440 }
Chris@0 441
Chris@0 442 /**
Chris@0 443 * Append Source element (Atom 1.0 Feed Metadata)
Chris@0 444 *
Chris@0 445 * @param DOMDocument $dom
Chris@0 446 * @param DOMElement $root
Chris@0 447 * @return void
Chris@0 448 */
Chris@12 449 // @codingStandardsIgnoreStart
Chris@0 450 protected function _setSource(DOMDocument $dom, DOMElement $root)
Chris@0 451 {
Chris@12 452 // @codingStandardsIgnoreEnd
Chris@0 453 $source = $this->getDataContainer()->getSource();
Chris@12 454 if (! $source) {
Chris@0 455 return;
Chris@0 456 }
Chris@0 457 $renderer = new Renderer\Feed\AtomSource($source);
Chris@0 458 $renderer->setType($this->getType());
Chris@0 459 $element = $renderer->render()->getElement();
Chris@0 460 $imported = $dom->importNode($element, true);
Chris@0 461 $root->appendChild($imported);
Chris@0 462 }
Chris@0 463 }