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Code Issues Releases Wiki Activity

[AtomFormat] Update to comply with RFC 4287 (#995)

Browse Source 
https://tools.ietf.org/html/rfc4287
This commit is contained in:
fulmeek
2019-01-21 17:22:30 +01:00
committed by LogMANOriginal
parent 493e76e4b9
commit ab2e566ee1
6 changed files with 312 additions and 23 deletions
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94
formats/AtomFormat.php
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@@ -1,21 +1,30 @@
<?php
/**
* Atom
* Documentation Source http://en.wikipedia.org/wiki/Atom_%28standard%29 and
* http://tools.ietf.org/html/rfc4287
*/
* AtomFormat - RFC 4287: The Atom Syndication Format
* https://tools.ietf.org/html/rfc4287
*
* Validator:
* https://validator.w3.org/feed/
*/
class AtomFormat extends FormatAbstract{
public function stringify(){
$https = isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] == 'on' ? 's' : '';
$httpHost = isset($_SERVER['HTTP_HOST']) ? $_SERVER['HTTP_HOST'] : '';
$httpInfo = isset($_SERVER['PATH_INFO']) ? $_SERVER['PATH_INFO'] : '';
const LIMIT_TITLE = 140;
$serverRequestUri = isset($_SERVER['REQUEST_URI']) ? $this->xml_encode($_SERVER['REQUEST_URI']) : '';
public function stringify(){
$urlPrefix = (isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] == 'on') ? 'https://' : 'http://';
$urlHost = (isset($_SERVER['HTTP_HOST'])) ? $_SERVER['HTTP_HOST'] : '';
$urlPath = (isset($_SERVER['PATH_INFO'])) ? $_SERVER['PATH_INFO'] : '';
$urlRequest = (isset($_SERVER['REQUEST_URI'])) ? $_SERVER['REQUEST_URI'] : '';
$feedUrl = $this->xml_encode($urlPrefix . $urlHost . $urlRequest);
$extraInfos = $this->getExtraInfos();
$title = $this->xml_encode($extraInfos['name']);
$uri = !empty($extraInfos['uri']) ? $extraInfos['uri'] : REPOSITORY;
// since we can't guarantee that all items have an author,
// a global feed author is mandatory
$feedAuthor = 'RSS-Bridge';
$uriparts = parse_url($uri);
if(!empty($extraInfos['icon'])) {
$icon = $extraInfos['icon'];
@@ -27,11 +36,35 @@ class AtomFormat extends FormatAbstract{
$entries = '';
foreach($this->getItems() as $item) {
$entryAuthor = $this->xml_encode($item->getAuthor());
$entryTimestamp = $item->getTimestamp();
$entryTitle = $this->xml_encode($item->getTitle());
$entryUri = $this->xml_encode($item->getURI());
$entryTimestamp = $this->xml_encode(date(DATE_ATOM, $item->getTimestamp()));
$entryContent = $this->xml_encode($this->sanitizeHtml($item->getContent()));
$entryContent = $item->getContent();
$entryUri = $item->getURI();
// the item id must be a valid unique URI
$entryID = $this->xml_encode($entryUri);
if (empty($entryID))
$entryID = 'urn:sha1:' . hash('sha1', $entryTitle . $entryContent);
if (empty($entryTimestamp))
$entryTimestamp = $this->lastModified;
if (empty($entryTitle)) {
$entryTitle = str_replace("\n", ' ', strip_tags($entryContent));
if (strlen($entryTitle) > self::LIMIT_TITLE) {
$wrapPos = strpos(wordwrap($entryTitle, self::LIMIT_TITLE), "\n");
$entryTitle = substr($entryTitle, 0, $wrapPos) . '...';
}
}
if (empty($entryContent))
$entryContent = $entryTitle;
$entryAuthor = $this->xml_encode($item->getAuthor());
$entryTitle = $this->xml_encode($entryTitle);
$entryUri = $this->xml_encode($entryUri);
$entryTimestamp = $this->xml_encode(gmdate(DATE_ATOM, $entryTimestamp));
$entryContent = $this->xml_encode($this->sanitizeHtml($entryContent));
$entryEnclosures = '';
foreach($item->getEnclosures() as $enclosure) {
@@ -49,16 +82,28 @@ class AtomFormat extends FormatAbstract{
. PHP_EOL;
}
$entryLinkAlternate = '';
if (!empty($entryUri)) {
$entryLinkAlternate = '<link rel="alternate" type="text/html" href="'
. $entryUri
. '"/>';
}
if (!empty($entryAuthor)) {
$entryAuthor = '<author><name>'
. $entryAuthor
. '</name></author>';
}
$entries .= <<<EOD
<entry>
<author>
<name>{$entryAuthor}</name>
</author>
<title type="html">{$entryTitle}</title>
<link rel="alternate" type="text/html" href="{$entryUri}" />
<id>{$entryUri}</id>
<published>{$entryTimestamp}</published>
<updated>{$entryTimestamp}</updated>
<id>{$entryID}</id>
{$entryLinkAlternate}
{$entryAuthor}
<content type="html">{$entryContent}</content>
{$entryEnclosures}
{$entryCategories}
@@ -67,21 +112,24 @@ class AtomFormat extends FormatAbstract{
EOD;
}
$feedTimestamp = date(DATE_ATOM, time());
$charset = $this->getCharset();
$feedTimestamp = gmdate(DATE_ATOM, $this->lastModified);
$charset = $this->getCharset();
/* Data are prepared, now let's begin the "MAGIE !!!" */
$toReturn = <<<EOD
<?xml version="1.0" encoding="{$charset}"?>
<feed xmlns="http://www.w3.org/2005/Atom" xmlns:thr="http://purl.org/syndication/thread/1.0">
<feed xmlns="http://www.w3.org/2005/Atom">
<title type="text">{$title}</title>
<id>http{$https}://{$httpHost}{$httpInfo}/</id>
<id>{$feedUrl}</id>
<icon>{$icon}</icon>
<logo>{$icon}</logo>
<updated>{$feedTimestamp}</updated>
<author>
<name>{$feedAuthor}</name>
</author>
<link rel="alternate" type="text/html" href="{$uri}" />
<link rel="self" href="http{$https}://{$httpHost}{$serverRequestUri}" />
<link rel="self" type="application/atom+xml" href="{$feedUrl}" />
{$entries}
</feed>
EOD;