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public/rss: implement JSON output format

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master
Andrew Dolgov 12 years ago
parent 46b781491b
commit 2ebf38a9bd
1 changed files with 119 additions and 50 deletions
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169
classes/handler/public.php
Unescape Escape View File

@ -2,7 +2,7 @@
class Handler_Public extends Handler { class Handler_Public extends Handler {
private function generate_syndicated_feed($owner_uid, $feed, $is_cat, private function generate_syndicated_feed($owner_uid, $feed, $is_cat,
$limit, $search, $search_mode, $match_on, $view_mode = false) { $limit, $search, $search_mode, $match_on, $view_mode = false, $format = 'atom') {
require_once "lib/MiniTemplator.class.php"; require_once "lib/MiniTemplator.class.php";
@ -34,74 +34,141 @@ class Handler_Public extends Handler {
if (!$feed_site_url) $feed_site_url = get_self_url_prefix(); if (!$feed_site_url) $feed_site_url = get_self_url_prefix();
$tpl = new MiniTemplator; if ($format == 'atom') {
$tpl = new MiniTemplator;
$tpl->readTemplateFromFile("templates/generated_feed.txt"); $tpl->readTemplateFromFile("templates/generated_feed.txt");
$tpl->setVariable('FEED_TITLE', $feed_title, true); $tpl->setVariable('FEED_TITLE', $feed_title, true);
$tpl->setVariable('VERSION', VERSION, true); $tpl->setVariable('VERSION', VERSION, true);
$tpl->setVariable('FEED_URL', htmlspecialchars($feed_self_url), true); $tpl->setVariable('FEED_URL', htmlspecialchars($feed_self_url), true);
if (PUBSUBHUBBUB_HUB && $feed == -2) { if (PUBSUBHUBBUB_HUB && $feed == -2) {
$tpl->setVariable('HUB_URL', htmlspecialchars(PUBSUBHUBBUB_HUB), true); $tpl->setVariable('HUB_URL', htmlspecialchars(PUBSUBHUBBUB_HUB), true);
$tpl->addBlock('feed_hub'); $tpl->addBlock('feed_hub');
} }
$tpl->setVariable('SELF_URL', htmlspecialchars(get_self_url_prefix()), true); $tpl->setVariable('SELF_URL', htmlspecialchars(get_self_url_prefix()), true);
while ($line = db_fetch_assoc($result)) { while ($line = db_fetch_assoc($result)) {
$tpl->setVariable('ARTICLE_ID', htmlspecialchars($line['link']), true); $tpl->setVariable('ARTICLE_ID', htmlspecialchars($line['link']), true);
$tpl->setVariable('ARTICLE_LINK', htmlspecialchars($line['link']), true); $tpl->setVariable('ARTICLE_LINK', htmlspecialchars($line['link']), true);
$tpl->setVariable('ARTICLE_TITLE', htmlspecialchars($line['title']), true); $tpl->setVariable('ARTICLE_TITLE', htmlspecialchars($line['title']), true);
$tpl->setVariable('ARTICLE_EXCERPT', $tpl->setVariable('ARTICLE_EXCERPT',
truncate_string(strip_tags($line["content_preview"]), 100, '...'), true); truncate_string(strip_tags($line["content_preview"]), 100, '...'), true);
$content = sanitize($this->link, $line["content_preview"], false, $owner_uid); $content = sanitize($this->link, $line["content_preview"], false, $owner_uid);
if ($line['note']) { if ($line['note']) {
$content = "<div style=\"$note_style\">Article note: " . $line['note'] . "</div>" . $content = "<div style=\"$note_style\">Article note: " . $line['note'] . "</div>" .
$content; $content;
} }
$tpl->setVariable('ARTICLE_CONTENT', $content, true);
$tpl->setVariable('ARTICLE_UPDATED_ATOM',
date('c', strtotime($line["updated"])), true);
$tpl->setVariable('ARTICLE_UPDATED_RFC822',
date(DATE_RFC822, strtotime($line["updated"])), true);
$tpl->setVariable('ARTICLE_AUTHOR', htmlspecialchars($line['author']), true);
$tags = get_article_tags($this->link, $line["id"], $owner_uid);
foreach ($tags as $tag) {
$tpl->setVariable('ARTICLE_CATEGORY', htmlspecialchars($tag), true);
$tpl->addBlock('category');
}
$tpl->setVariable('ARTICLE_CONTENT', $content, true); $enclosures = get_article_enclosures($this->link, $line["id"]);
$tpl->setVariable('ARTICLE_UPDATED_ATOM', foreach ($enclosures as $e) {
date('c', strtotime($line["updated"])), true); $type = htmlspecialchars($e['content_type']);
$tpl->setVariable('ARTICLE_UPDATED_RFC822', $url = htmlspecialchars($e['content_url']);
date(DATE_RFC822, strtotime($line["updated"])), true); $length = $e['duration'];
$tpl->setVariable('ARTICLE_AUTHOR', htmlspecialchars($line['author']), true); $tpl->setVariable('ARTICLE_ENCLOSURE_URL', $url, true);
$tpl->setVariable('ARTICLE_ENCLOSURE_TYPE', $type, true);
$tpl->setVariable('ARTICLE_ENCLOSURE_LENGTH', $length, true);
$tags = get_article_tags($this->link, $line["id"], $owner_uid); $tpl->addBlock('enclosure');
}
foreach ($tags as $tag) { $tpl->addBlock('entry');
$tpl->setVariable('ARTICLE_CATEGORY', htmlspecialchars($tag), true);
$tpl->addBlock('category');
} }
$enclosures = get_article_enclosures($this->link, $line["id"]); $tmp = "";
$tpl->addBlock('feed');
$tpl->generateOutputToString($tmp);
header("Content-Type: text/xml; charset=utf-8");
print $tmp;
} else if ($format == 'json') {
foreach ($enclosures as $e) { $feed = array();
$type = htmlspecialchars($e['content_type']);
$url = htmlspecialchars($e['content_url']);
$length = $e['duration'];
$tpl->setVariable('ARTICLE_ENCLOSURE_URL', $url, true); $feed['title'] = $feed_title;
$tpl->setVariable('ARTICLE_ENCLOSURE_TYPE', $type, true); $feed['version'] = VERSION;
$tpl->setVariable('ARTICLE_ENCLOSURE_LENGTH', $length, true); $feed['feed_url'] = $feed_self_url;
$tpl->addBlock('enclosure'); if (PUBSUBHUBBUB_HUB && $feed == -2) {
$feed['hub_url'] = PUBSUBHUBBUB_HUB;
} }
$tpl->addBlock('entry'); $feed['self_url'] = get_self_url_prefix();
}
$feed['articles'] = array();
while ($line = db_fetch_assoc($result)) {
$article = array();
$tmp = ""; $article['id'] = $line['link'];
$article['link'] = $line['link'];
$article['title'] = $line['title'];
$article['excerpt'] = truncate_string(strip_tags($line["content_preview"]), 100, '...');
$article['content'] = sanitize($this->link, $line["content_preview"], false, $owner_uid);
$article['updated'] = date('c', strtotime($line["updated"]));
$tpl->addBlock('feed'); if ($line['note']) $article['note'] = $line['note'];
$tpl->generateOutputToString($tmp); if ($article['author']) $article['author'] = $line['author'];
print $tmp; $tags = get_article_tags($this->link, $line["id"], $owner_uid);
if (count($tags) > 0) {
$article['tags'] = array();
foreach ($tags as $tag) {
array_push($article['tags'], $tag);
}
}
$enclosures = get_article_enclosures($this->link, $line["id"]);
if (count($enclosures) > 0) {
$article['enclosures'] = array();
foreach ($enclosures as $e) {
$type = $e['content_type'];
$url = $e['content_url'];
$length = $e['duration'];
array_push($article['enclosures'], array("url" => $url, "type" => $type, "length" => $length));
}
}
array_push($feed['articles'], $article);
}
header("Content-Type: text/plain; charset=utf-8");
print json_encode($feed);
} else {
header("Content-Type: text/plain; charset=utf-8");
print json_encode(array("error" => array("message" => "Unknown format")));
}
} }
function getUnread() { function getUnread() {
@ -267,8 +334,6 @@ class Handler_Public extends Handler {
} }
function rss() { function rss() {
header("Content-Type: text/xml; charset=utf-8");
$feed = db_escape_string($_REQUEST["id"]); $feed = db_escape_string($_REQUEST["id"]);
$key = db_escape_string($_REQUEST["key"]); $key = db_escape_string($_REQUEST["key"]);
$is_cat = $_REQUEST["is_cat"] != false; $is_cat = $_REQUEST["is_cat"] != false;
@ -279,6 +344,10 @@ class Handler_Public extends Handler {
$search_mode = db_escape_string($_REQUEST["smode"]); $search_mode = db_escape_string($_REQUEST["smode"]);
$view_mode = db_escape_string($_REQUEST["view-mode"]); $view_mode = db_escape_string($_REQUEST["view-mode"]);
$format = db_escape_string($_REQUEST['format']);
if (!$format) $format = 'atom';
if (SINGLE_USER_MODE) { if (SINGLE_USER_MODE) {
authenticate_user($this->link, "admin", null); authenticate_user($this->link, "admin", null);
} }
@ -295,7 +364,7 @@ class Handler_Public extends Handler {
if ($owner_id) { if ($owner_id) {
$this->generate_syndicated_feed($owner_id, $feed, $is_cat, $limit, $this->generate_syndicated_feed($owner_id, $feed, $is_cat, $limit,
$search, $search_mode, $match_on, $view_mode); $search, $search_mode, $match_on, $view_mode, $format);
} else { } else {
header('HTTP/1.1 403 Forbidden'); header('HTTP/1.1 403 Forbidden');
} }

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