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New functionality to import feeds. Now with support of every used feed format (RSS, RDF, Atom)

pull/1910/head
Michael Vogel 6 years ago
parent
commit
7f8284eb1b
2 changed files with 284 additions and 4 deletions
  1. +275
    -0
      include/feed.php
  2. +9
    -4
      include/items.php

+ 275
- 0
include/feed.php View File

@ -0,0 +1,275 @@
<?php
require_once("include/html2bbcode.php");
require_once("include/items.php");
function feed_import($xml,$importer,&$contact, &$hub) {
$a = get_app();
logger("Import Atom/RSS feed", LOGGER_DEBUG);
if ($xml == "")
return;
$doc = new DOMDocument();
@$doc->loadXML($xml);
$xpath = new DomXPath($doc);
$xpath->registerNamespace('atom', "http://www.w3.org/2005/Atom");
$xpath->registerNamespace('dc', "http://purl.org/dc/elements/1.1/");
$xpath->registerNamespace('content', "http://purl.org/rss/1.0/modules/content/");
$xpath->registerNamespace('rdf', "http://www.w3.org/1999/02/22-rdf-syntax-ns#");
$xpath->registerNamespace('rss', "http://purl.org/rss/1.0/");
$xpath->registerNamespace('media', "http://search.yahoo.com/mrss/");
$author = array();
// Is it RDF?
if ($xpath->query('/rdf:RDF/rss:channel')->length > 0) {
//$author["author-link"] = $xpath->evaluate('/rdf:RDF/rss:channel/rss:link/text()')->item(0)->nodeValue;
$author["author-name"] = $xpath->evaluate('/rdf:RDF/rss:channel/rss:title/text()')->item(0)->nodeValue;
if ($author["author-name"] == "")
$author["author-name"] = $xpath->evaluate('/rdf:RDF/rss:channel/rss:description/text()')->item(0)->nodeValue;
$entries = $xpath->query('/rdf:RDF/rss:item');
}
// Is it Atom?
if ($xpath->query('/atom:feed/atom:entry')->length > 0) {
//$self = $xpath->query("/atom:feed/atom:link[@rel='self']")->item(0)->attributes;
//if (is_object($self))
// foreach($self AS $attributes)
// if ($attributes->name == "href")
// $author["author-link"] = $attributes->textContent;
//if ($author["author-link"] == "") {
// $alternate = $xpath->query("/atom:feed/atom:link[@rel='alternate']")->item(0)->attributes;
// if (is_object($alternate))
// foreach($alternate AS $attributes)
// if ($attributes->name == "href")
// $author["author-link"] = $attributes->textContent;
//}
$author["author-name"] = $xpath->evaluate('/atom:feed/atom:title/text()')->item(0)->nodeValue;
if ($author["author-name"] == "")
$author["author-name"] = $xpath->evaluate('/atom:feed/atom:subtitle/text()')->item(0)->nodeValue;
if ($author["author-name"] == "")
$author["author-name"] = $xpath->evaluate('/atom:feed/atom:author/atom:name/text()')->item(0)->nodeValue;
//$author["author-avatar"] = $xpath->evaluate('/atom:feed/atom:logo/text()')->item(0)->nodeValue;
$author["edited"] = $author["created"] = $xpath->query('/atom:feed/atom:updated/text()')->item(0)->nodeValue;
$author["app"] = $xpath->evaluate('/atom:feed/atom:generator/text()')->item(0)->nodeValue;
$entries = $xpath->query('/atom:feed/atom:entry');
}
// Is it RSS?
if ($xpath->query('/rss/channel')->length > 0) {
//$author["author-link"] = $xpath->evaluate('/rss/channel/link/text()')->item(0)->nodeValue;
$author["author-name"] = $xpath->evaluate('/rss/channel/title/text()')->item(0)->nodeValue;
//$author["author-avatar"] = $xpath->evaluate('/rss/channel/image/url/text()')->item(0)->nodeValue;
if ($author["author-name"] == "")
$author["author-name"] = $xpath->evaluate('/rss/channel/copyright/text()')->item(0)->nodeValue;
if ($author["author-name"] == "")
$author["author-name"] = $xpath->evaluate('/rss/channel/description/text()')->item(0)->nodeValue;
$author["edited"] = $author["created"] = $xpath->query('/rss/channel/pubDate/text()')->item(0)->nodeValue;
$author["app"] = $xpath->evaluate('/rss/channel/generator/text()')->item(0)->nodeValue;
$entries = $xpath->query('/rss/channel/item');
}
//if ($author["author-link"] == "")
$author["author-link"] = $contact["url"];
if ($author["author-name"] == "")
$author["author-name"] = $contact["name"];
//if ($author["author-avatar"] == "")
$author["author-avatar"] = $contact["thumb"];
$author["owner-link"] = $contact["url"];
$author["owner-name"] = $contact["name"];
$author["owner-avatar"] = $contact["thumb"];
$header = array();
$header["uid"] = $importer["uid"];
$header["network"] = NETWORK_FEED;
$header["type"] = "remote";
$header["wall"] = 0;
$header["origin"] = 0;
$header["gravity"] = GRAVITY_PARENT;
$header["contact-id"] = $contact["id"];
if (!is_object($entries))
return;
foreach ($entries AS $entry)
$entrylist[] = $entry;
foreach (array_reverse($entrylist) AS $entry) {
$item = array_merge($header, $author);
$item["title"] = $xpath->evaluate('atom:title/text()', $entry)->item(0)->nodeValue;
if ($item["title"] == "")
$item["title"] = $xpath->evaluate('title/text()', $entry)->item(0)->nodeValue;
if ($item["title"] == "")
$item["title"] = $xpath->evaluate('rss:title/text()', $entry)->item(0)->nodeValue;
$alternate = $xpath->query("atom:link[@rel='alternate']", $entry)->item(0)->attributes;
if (!is_object($alternate))
$alternate = $xpath->query("atom:link", $entry)->item(0)->attributes;
if (is_object($alternate))
foreach($alternate AS $attributes)
if ($attributes->name == "href")
$item["plink"] = $attributes->textContent;
if ($item["plink"] == "")
$item["plink"] = $xpath->evaluate('link/text()', $entry)->item(0)->nodeValue;
if ($item["plink"] == "")
$item["plink"] = $xpath->evaluate('rss:link/text()', $entry)->item(0)->nodeValue;
$item["plink"] = original_url($item["plink"]);
$item["uri"] = $xpath->evaluate('atom:id/text()', $entry)->item(0)->nodeValue;
if ($item["uri"] == "")
$item["uri"] = $xpath->evaluate('guid/text()', $entry)->item(0)->nodeValue;
if ($item["uri"] == "")
$item["uri"] = $item["plink"];
$item["parent-uri"] = $item["uri"];
$published = $xpath->query('atom:published/text()', $entry)->item(0)->nodeValue;
if ($published == "")
$published = $xpath->query('pubDate/text()', $entry)->item(0)->nodeValue;
if ($published == "")
$published = $xpath->query('dc:date/text()', $entry)->item(0)->nodeValue;
$updated = $xpath->query('atom:updated/text()', $entry)->item(0)->nodeValue;
if ($updated == "")
$updated = $published;
if ($published != "")
$item["created"] = $published;
if ($updated != "")
$item["edited"] = $updated;
$creator = $xpath->query('author/text()', $entry)->item(0)->nodeValue;
if ($creator == "")
$creator = $xpath->query('atom:author/atom:name/text()', $entry)->item(0)->nodeValue;
if ($creator == "")
$creator = $xpath->query('dc:creator/text()', $entry)->item(0)->nodeValue;
if ($creator != "")
$item["author-name"] = $creator;
if ($pubDate != "")
$item["edited"] = $item["created"] = $pubDate;
$creator = $xpath->query('dc:creator/text()', $entry)->item(0)->nodeValue;
if ($creator != "")
$item["author-name"] = $creator;
//$item["object"] = $xml;
$r = q("SELECT `id` FROM `item` WHERE `uid` = %d AND `uri` = '%s'",
intval($importer["uid"]), dbesc($item["uri"]));
if ($r) {
logger("Item with uri ".$item["uri"]." for user ".$importer["uid"]." already existed under id ".$r[0]["id"], LOGGER_DEBUG);
continue;
}
// To-Do?
// <category>Ausland</category>
// <media:thumbnail width="152" height="76" url="http://www.taz.de/picture/667875/192/14388767.jpg"/>
$attachments = array();
$enclosures = $xpath->query("enclosure", $entry);
foreach ($enclosures AS $enclosure) {
$href = "";
$length = "";
$type = "";
$title = "";
foreach($enclosure->attributes AS $attributes) {
if ($attributes->name == "url")
$href = $attributes->textContent;
elseif ($attributes->name == "length")
$length = $attributes->textContent;
elseif ($attributes->name == "type")
$type = $attributes->textContent;
}
if(strlen($item["attach"]))
$item["attach"] .= ',';
$attachments[] = array("link" => $href, "type" => $type, "length" => $length);
$item["attach"] .= '[attach]href="'.$href.'" length="'.$length.'" type="'.$type.'"[/attach]';
}
if ($contact["fetch_further_information"]) {
$preview = "";
// Handle enclosures and treat them as preview picture
foreach ($attachments AS $attachment)
if ($attachment["type"] == "image/jpeg")
$preview = $attachment["link"];
$item["body"] = $item["title"].add_page_info($item["plink"], false, $preview, ($contact["fetch_further_information"] == 2), $contact["ffi_keyword_blacklist"]);
$item["tag"] = add_page_keywords($item["plink"], false, $preview, ($contact["fetch_further_information"] == 2), $contact["ffi_keyword_blacklist"]);
$item["title"] = "";
$item["object-type"] = ACTIVITY_OBJ_BOOKMARK;
unset($item["attach"]);
} else {
$body = trim($xpath->evaluate('atom:content/text()', $entry)->item(0)->nodeValue);
if ($body == "")
$body = trim($xpath->evaluate('content:encoded/text()', $entry)->item(0)->nodeValue);
if ($body == "")
$body = trim($xpath->evaluate('description/text()', $entry)->item(0)->nodeValue);
if ($body == "")
$body = trim($xpath->evaluate('atom:summary/text()', $entry)->item(0)->nodeValue);
// remove the content of the title if it is identically to the body
// This helps with auto generated titles e.g. from tumblr
if (title_is_body($item["title"], $body))
$item["title"] = "";
$item["body"] = html2bbcode($body);
}
logger("Stored feed: ".print_r($item, true), LOGGER_DEBUG);
$notify = item_is_remote_self($contact, $item);
$id = item_store($item, false, $notify);
//print_r($item);
logger("Feed for contact ".$contact["url"]." stored under id ".$id);
}
}
?>

+ 9
- 4
include/items.php View File

@ -13,6 +13,7 @@ require_once('include/threads.php');
require_once('include/socgraph.php');
require_once('include/plaintext.php');
require_once('include/ostatus.php');
require_once('include/feed.php');
require_once('mod/share.php');
require_once('library/defuse/php-encryption-1.2.1/Crypto.php');
@ -2251,16 +2252,20 @@ function edited_timestamp_is_newer($existing, $update) {
function consume_feed($xml,$importer,&$contact, &$hub, $datedir = 0, $pass = 0) {
if ($contact['network'] === NETWORK_OSTATUS) {
if ($pass < 2) {
// Test - remove before flight
//$tempfile = tempnam(get_temppath(), "ostatus");
//file_put_contents($tempfile, $xml);
logger("Consume OStatus messages ", LOGGER_DEBUG);
ostatus_import($xml,$importer,$contact, $hub);
}
return;
}
if ($contact['network'] === NETWORK_FEED) {
if ($pass < 2) {
logger("Consume feeds", LOGGER_DEBUG);
feed_import($xml,$importer,$contact, $hub);
}
return;
}
require_once('library/simplepie/simplepie.inc');
require_once('include/contact_selectors.php');


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