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authorEvan Prodromou <evan@status.net>2010-02-21 10:50:51 -0500
committerEvan Prodromou <evan@status.net>2010-02-21 10:50:51 -0500
commitff2efd314f15bf5e4b42fe02d56217a996a7c692 (patch)
tree4036871b6189599992400df6a76f753b5ea2d4db /plugins
parente9d22138efb059fd701d332815d63e65b09c5282 (diff)
let activities generate their own XML
Diffstat (limited to 'plugins')
-rw-r--r--plugins/OStatus/lib/activity.php192
1 files changed, 129 insertions, 63 deletions
diff --git a/plugins/OStatus/lib/activity.php b/plugins/OStatus/lib/activity.php
index 5f174d86f..5da6c7585 100644
--- a/plugins/OStatus/lib/activity.php
+++ b/plugins/OStatus/lib/activity.php
@@ -55,6 +55,9 @@ class ActivityUtils
const TYPE = 'type';
const HREF = 'href';
+ const CONTENT = 'content';
+ const SRC = 'src';
+
/**
* Get the permalink for an Activity object
*
@@ -139,6 +142,64 @@ class ActivityUtils
return $el->textContent;
}
}
+
+ /**
+ * Get the content of an atom:entry-like object
+ *
+ * @param DOMElement $element The element to examine.
+ *
+ * @return string unencoded HTML content of the element, like "This -&lt; is <b>HTML</b>."
+ *
+ * @todo handle remote content
+ * @todo handle embedded XML mime types
+ * @todo handle base64-encoded non-XML and non-text mime types
+ */
+
+ static function getContent($element)
+ {
+ $contentEl = ActivityUtils::child($element, self::CONTENT);
+
+ if (!empty($contentEl)) {
+
+ $src = $contentEl->getAttribute(self::SRC);
+
+ if (!empty($src)) {
+ throw new ClientException(_("Can't handle remote content yet."));
+ }
+
+ $type = $contentEl->getAttribute(self::TYPE);
+
+ // slavishly following http://atompub.org/rfc4287.html#rfc.section.4.1.3.3
+
+ if ($type == 'text') {
+ return $contentEl->textContent;
+ } else if ($type == 'html') {
+ $text = $contentEl->textContent;
+ return htmlspecialchars_decode($text, ENT_QUOTES);
+ } else if ($type == 'xhtml') {
+ $divEl = ActivityUtils::child($contentEl, 'div');
+ if (empty($divEl)) {
+ return null;
+ }
+ $doc = $divEl->ownerDocument;
+ $text = '';
+ $children = $divEl->childNodes;
+
+ for ($i = 0; $i < $children->length; $i++) {
+ $child = $children->item($i);
+ $text .= $doc->saveXML($child);
+ }
+ return trim($text);
+ } else if (in_array(array('text/xml', 'application/xml'), $type) ||
+ preg_match('#(+|/)xml$#', $type)) {
+ throw new ClientException(_("Can't handle embedded XML content yet."));
+ } else if (strncasecmp($type, 'text/', 5)) {
+ return $contentEl->textContent;
+ } else {
+ throw new ClientException(_("Can't handle embedded Base64 content yet."));
+ }
+ }
+ }
}
/**
@@ -182,9 +243,6 @@ class ActivityObject
const TITLE = 'title';
const SUMMARY = 'summary';
- const CONTENT = 'content';
- const TYPE = 'type';
- const SRC = 'src';
const ID = 'id';
const SOURCE = 'source';
@@ -248,7 +306,7 @@ class ActivityObject
$this->source = $this->_getSource($element);
- $this->content = $this->_getContent($element);
+ $this->content = ActivityUtils::getContent($element);
$this->link = ActivityUtils::getPermalink($element);
@@ -287,64 +345,6 @@ class ActivityObject
}
}
- /**
- * Get the content of an atom:entry-like object
- *
- * @param DOMElement $element The element to examine.
- *
- * @return string unencoded HTML content of the element, like "This -&lt; is <b>HTML</b>."
- *
- * @todo handle remote content
- * @todo handle embedded XML mime types
- * @todo handle base64-encoded non-XML and non-text mime types
- */
-
- private function _getContent($element)
- {
- $contentEl = ActivityUtils::child($element, self::CONTENT);
-
- if (!empty($contentEl)) {
-
- $src = $contentEl->getAttribute(self::SRC);
-
- if (!empty($src)) {
- throw new ClientException(_("Can't handle remote content yet."));
- }
-
- $type = $contentEl->getAttribute(self::TYPE);
-
- // slavishly following http://atompub.org/rfc4287.html#rfc.section.4.1.3.3
-
- if ($type == 'text') {
- return $contentEl->textContent;
- } else if ($type == 'html') {
- $text = $contentEl->textContent;
- return htmlspecialchars_decode($text, ENT_QUOTES);
- } else if ($type == 'xhtml') {
- $divEl = ActivityUtils::child($contentEl, 'div');
- if (empty($divEl)) {
- return null;
- }
- $doc = $divEl->ownerDocument;
- $text = '';
- $children = $divEl->childNodes;
-
- for ($i = 0; $i < $children->length; $i++) {
- $child = $children->item($i);
- $text .= $doc->saveXML($child);
- }
- return trim($text);
- } else if (in_array(array('text/xml', 'application/xml'), $type) ||
- preg_match('#(+|/)xml$#', $type)) {
- throw new ClientException(_("Can't handle embedded XML content yet."));
- } else if (strncasecmp($type, 'text/', 5)) {
- return $contentEl->textContent;
- } else {
- throw new ClientException(_("Can't handle embedded Base64 content yet."));
- }
- }
- }
-
static function fromNotice($notice)
{
$object = new ActivityObject();
@@ -359,6 +359,18 @@ class ActivityObject
return $object;
}
+ static function fromProfile($profile)
+ {
+ $object = new ActivityObject();
+
+ $object->type = ActivityObject::PERSON;
+ $object->id = $profile->getUri();
+ $object->title = $this->getBestName();
+ $object->link = $profile->profileurl;
+
+ return $object;
+ }
+
function asString($tag='activity:object')
{
$xs = new XMLStringer(true);
@@ -550,6 +562,11 @@ class Activity
public $entry; // the source entry
public $feed; // the source feed
+ public $summary; // summary of activity
+ public $content; // HTML content of activity
+ public $id; // ID of the activity
+ public $title; // title of the activity
+
/**
* Turns a regular old Atom <entry> into a magical activity
*
@@ -557,8 +574,12 @@ class Activity
* @param DOMElement $feed Atom feed, for context
*/
- function __construct($entry, $feed = null)
+ function __construct($entry = null, $feed = null)
{
+ if (is_null($entry)) {
+ return;
+ }
+
$this->entry = $entry;
$this->feed = $feed;
@@ -629,6 +650,10 @@ class Activity
if (!empty($targetEl)) {
$this->target = new ActivityObject($targetEl);
}
+
+ $this->summary = ActivityUtils::childContent($entry, 'summary');
+ $this->id = ActivityUtils::childContent($entry, 'id');
+ $this->content = ActivityUtils::getContent($entry);
}
/**
@@ -642,6 +667,47 @@ class Activity
return null;
}
+ function asString($namespace=false)
+ {
+ $xs = new XMLStringer(true);
+
+ if ($namespace) {
+ $attrs = array('xmlns' => 'http://www.w3.org/2005/Atom',
+ 'xmlns:activity' => 'http://activitystrea.ms/spec/1.0/',
+ 'xmlns:ostatus' => 'http://ostatus.org/schema/1.0');
+ } else {
+ $attrs = array();
+ }
+
+ $xs->elementStart('entry', $attrs);
+
+ $xs->element('id', null, $this->id);
+ $xs->element('title', null, $this->title);
+ $xs->element('published', null, common_date_iso8601($this->time));
+ $xs->element('content', array('type' => 'html'), $this->content);
+
+ if (!empty($this->summary)) {
+ $xs->element('summary', null, $this->summary);
+ }
+
+ if (!empty($this->link)) {
+ $xs->element('link', array('rel' => 'alternate',
+ 'type' => 'text/html'),
+ $this->link);
+ }
+
+ // XXX: add context
+ // XXX: add target
+
+ $xs->raw($this->actor->asString());
+ $xs->element('activity:verb', null, $this->verb);
+ $xs->raw($this->object->asString());
+
+ $xs->elementEnd('entry');
+
+ return $xs->getString();
+ }
+
private function _child($element, $tag, $namespace=self::SPEC)
{
return ActivityUtils::child($element, $tag, $namespace);