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qa-xml-rpc-server.php
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<?php
/**
* XML-RPC protocol support for BuddyPress
*/
/**
* Whether this is a XMLRPC Request
*
* @var bool
*/
define( 'XMLRPC_REQUEST', true );
// Some browser-embedded clients send cookies. We don't want them.
$_COOKIE = array();
// A bug in PHP < 5.2.2 makes $HTTP_RAW_POST_DATA not set by default,
// but we can do it ourself.
if ( !isset( $HTTP_RAW_POST_DATA ) ) {
$HTTP_RAW_POST_DATA = file_get_contents( 'php://input' );
}
// fix for cases where xml isn't on the very first line
if ( isset( $HTTP_RAW_POST_DATA ) )
$HTTP_RAW_POST_DATA = trim( $HTTP_RAW_POST_DATA );
if ( isset( $_GET['rsd'] ) ) { // http://archipelago.phrasewise.com/rsd
header( 'Content-Type: text/xml; charset=UTF-8', true );
?>
<?php echo '<?xml version="1.0" encoding="UTF-8"?'.'>'; ?>
<rsd version="1.0" xmlns="http://archipelago.phrasewise.com/rsd">
<service>
<engineName>Question2Answer</engineName>
<engineLink>http://www.question2answer.org/</engineLink>
<homePageLink><?php bloginfo_rss( 'url' ) ?></homePageLink>
</service>
<apis>
<api name="Question2Answer" preferred="true" apiLink="<?php echo qa_opt('site_url') ?>">
<settings>
<docs>/~https://github.com/NoahY/q2a-xml-rpc</docs>
</settings>
</api>
</apis>
</rsd>
<?php
exit;
}
if(!class_exists('IXR_Server'))
include('IXR_Library.php');
/**
* Question2Answer XMLRPC server implementation.
*
*/
class q2a_xmlrpc_server extends IXR_Server {
/**
* Register all of the XMLRPC methods that XMLRPC server understands.
*
* @return q2a_xmlrpc_server
*/
function q2a_xmlrpc_server() {
$this->methods = array(
// for services connecting: verify it
'q2a.verifyConnection' => 'this:call_verify_connection',
// getting
'q2a.getQuestions' => 'this:call_get_questions',
'q2a.getQuestion' => 'this:call_get_question',
'q2a.doVote' => 'this:call_vote',
);
}
function serve_request() {
$this->IXR_Server( $this->methods );
}
/**
* Verify xmlrpc handshake
*
* @param array $args ($username, $password)
* @return array (success, message);
*/
function call_verify_connection( $args ) {
// Parse the arguments, assuming they're in the correct order
$username = escape( $args[0] );
$password = escape( $args[1] );
if ( !$this->login( $username, $password ) )
return $this->error;
return array(
'confirmation' => true,
'message' => qa_lang_sub('xmlrpc/hello_x',$this->get_name()),
);
}
/**
* Get Question List.
*
* @param array $args ($username, $password, $data['sort', 'start', 'cats', 'full', 'size', 'action', 'action_id', 'action_data'])
* @return array (questions);
*
*/
function call_get_questions( $args ) {
// Parse the arguments, assuming they're in the correct order
$username = qa_db_escape_string( $args[0] );
$password = qa_db_escape_string( $args[1] );
$data = @$args[2];
if ( !$this->login( $username, $password ) )
return $this->error;
$userid = qa_get_logged_in_userid();
$output = array();
if(isset($data['action'])) {
$action_message = $this->do_action($data);
}
$sort = @$data['sort'];
$start = (int)@$data['start'];
$size = (int)@$data['size'];
$full = isset($data['full']);
switch($sort) {
case 'updated':
$qarray = $this->get_updated_qs($size);
break;
case 'favorites':
$selectspec=qa_db_posts_basic_selectspec($userid, true);
$selectspec['source'].=" JOIN ^userfavorites AS uf ON ^posts.postid=uf.entityid WHERE uf.userid=$ AND uf.entitytype=$ AND ^posts.type='Q' LIMIT #";
array_push($selectspec['arguments'], $userid, QA_ENTITY_QUESTION, $size+1);
$selectspec['sortdesc']='created';
$qarray = qa_db_select_with_pending(
$selectspec
);
break;
default:
$qarray = qa_db_select_with_pending(
qa_db_qs_selectspec($userid, $sort, $start, null, null, false, $full, $size+1)
);
break;
}
$more = false;
if(count($qarray) > $size && $sort != 'updated') {
$more = true;
array_pop($qarray);
}
$questions = array();
if(isset($data['more']) && $start > 0)
$questions[] = "<less>";
foreach($qarray as $question) {
if(isset($data['action_id']) && isset($data['postid']) && $question['postid'] == $data['postid'])
$output['acted'] = count($questions);
$question = $this->get_single_question($data, $question);
if($question)
$questions[] = $question;
}
// add extra list item for loading more
if($more && isset($data['more']))
$questions[] = "<more>";
if(empty($questions))
$output['message'] = qa_lang( 'xmlrpc/no_items_found' );
else if(isset($data['action']))
$output['message'] = $action_message;
else
$output['message'] = qa_lang_sub( 'xmlrpc/x_items_found', count($questions) );
if(isset($data['meta']))
$output['meta'] = $this->get_meta_data();
$output['confirmation'] = true;
$output['data'] = $questions;
return $output;
}
/**
* Call to Get Single Question.
*
* @param array $args ($username, $password, $data['postid', 'action', 'action_id', 'action_data'])
* @return array (questions);
*
*/
function call_get_question( $args ) {
// Parse the arguments, assuming they're in the correct order
//$username = mysql_real_escape_string( $args[0] );
//$password = mysql_real_escape_string( $args[1] );
$username = qa_db_escape_string( $args[0] );
$password = qa_db_escape_string( $args[1] );
$data = @$args[2];
if ( !$this->login( $username, $password ) )
return $this->error;
$userid = qa_get_logged_in_userid();
$output = array();
if(!@$data['postid'])
return new IXR_Error( 1550, qa_lang('xmlrpc/content_missing') );
if(isset($data['action']))
$action_message = $this->do_action($data);
if(isset($data['action_id']))
$output['acted'] = $data['postid'];
$question = qa_db_select_with_pending(
qa_db_full_post_selectspec($userid, $data['postid'])
);
if($question) {
$output['data'] = $this->get_single_question($data, $question);
$output['message'] = isset($data['action'])?$action_message:qa_lang( 'xmlrpc/question_found');
$output['confirmation'] = true;
}
else {
$output['confirmation'] = false;
$output['message'] = qa_lang( 'xmlrpc/no_items_found' );
}
if(isset($data['meta']))
$output['meta'] = $this->get_meta_data();
return $output;
}
/**
* Vote Call.
*
* @param array $args ($username, $password, $data['sort', 'start', 'cats', 'full', 'size', 'action', 'action_id', 'action_data'])
* @return array (questions);
*
*/
function call_vote( $args ) {
// Parse the arguments, assuming they're in the correct order
$username = mysql_real_escape_string( $args[0] );
$password = mysql_real_escape_string( $args[1] );
$data = @$args[2];
$type = @$data['action_data']['type'];
$vote = @$data['action_data']['vote'];
if ( !$this->login( $username, $password ) )
return $this->error;
$userid = qa_get_logged_in_userid();
$output = array();
if(isset($data['meta_data']))
$output['meta_data'] = $this->get_meta_data();
$output['confirmation'] = $this->do_vote($data);
if($output['confirmation']) {
$output['message'] = qa_lang( 'xmlrpc/voted' );
$output['confirmation'] = true;
$info = @$data['action_data'];
$questionid = (int)@$info['questionid'];
if($questionid) {
$question = qa_db_read_one_assoc(
qa_db_query_sub(
"SELECT ^posts.*, LEFT(^posts.type, 1) AS basetype, UNIX_TIMESTAMP(^posts.created) AS created, ^uservotes.vote as uservote FROM ^posts LEFT JOIN ^uservotes ON ^posts.postid=^uservotes.postid AND ^uservotes.userid=$ WHERE ^posts.type='Q' AND ^posts.postid=#",
$userid, $questionid
),
true
);
if($question) {
$output['data'] = $this->get_single_question($data, $question);
}
}
}
else
$output['message'] = qa_lang( 'xmlrpc/vote_error' );
return $output;
}
// worker functions
function get_single_question($data, $questionin) {
$userid = qa_get_logged_in_userid();
$questionid = $questionin['postid'];
$options=qa_post_html_defaults('Q', @$data['full']);
if(@$data['full']) {
require_once(QA_INCLUDE_DIR.'qa-page-question-view.php');
$cookieid=isset($userid) ? qa_cookie_get() : qa_cookie_get_create(); // create a new cookie if necessary
$coptions=qa_post_html_defaults('C', true);
@list($childposts, $achildposts, $parentquestion, $closepost, $extravalue, $categories, $favorite)=qa_db_select_with_pending(
qa_db_full_child_posts_selectspec($userid, $questionid),
qa_db_full_a_child_posts_selectspec($userid, $questionid),
qa_db_post_parent_q_selectspec($questionid),
qa_db_post_close_post_selectspec($questionid),
qa_db_post_meta_selectspec($questionid, 'qa_q_extra'),
qa_db_category_nav_selectspec($questionid, true, true, true),
isset($userid) ? qa_db_is_favorite_selectspec($userid, QA_ENTITY_QUESTION, $questionid) : null
);
if ($questionin['basetype']!='Q') // don't allow direct viewing of other types of post
return null;
$questionin['extra']=$extravalue;
$answers=qa_page_q_load_as($questionin, $childposts);
$allcomments=qa_page_q_load_c_follows($questionin, $childposts, $achildposts);
$questionin=$questionin+qa_page_q_post_rules($questionin, null, null, $childposts); // array union
if ($questionin['selchildid'] && (@$answers[$questionin['selchildid']]['type']!='A'))
$questionin['selchildid']=null; // if selected answer is hidden or somehow not there, consider it not selected
foreach ($answers as $key => $answer) {
$answers[$key]=$answer+qa_page_q_post_rules($answer, $questionin, $answers, $achildposts);
$answers[$key]['isselected']=($answer['postid']==$questionin['selchildid']);
}
foreach ($allcomments as $key => $commentfollow) {
$parent=($commentfollow['parentid']==$questionid) ? $questionin : @$answers[$commentfollow['parentid']];
$allcomments[$key]=$commentfollow+qa_page_q_post_rules($commentfollow, $parent, $allcomments, null);
}
$usershtml=qa_userids_handles_html(array_merge(array($questionin), $answers, $allcomments), true);
$question = $this->get_full_post($questionin, $options, $usershtml);
$qcomments = array();
foreach ($allcomments as $idx => $comment) {
if ($comment['basetype']=='C')
$comment = $this->get_full_post($comment, $coptions, $usershtml);
else
$comment = $this->get_full_post($comment, $options, $usershtml);
$comment['username'] = $this->get_username($comment['raw']['userid']);
if (($comment['raw']['parentid'] == $questionid))
$qcomments[]=$comment;
$allcomments[$idx] = $comment;
}
$aoptions=qa_post_html_defaults('A', true);
$outanswers = array();
foreach($answers as $answer) {
$aoptions['isselected']=@$answer['isselected'];
$answer = $this->get_full_post($answer, $aoptions, $usershtml);
if(!$answer)
continue;
$answer['username'] = $this->get_username($answer['raw']['userid']);
$acomments = array();
foreach ($allcomments as $comment)
if ($comment['raw']['parentid'] == $answer['raw']['postid'])
$acomments[] = $comment;
$answer['comments'] = $acomments;
$outanswers[] = $answer;
}
$question['answers'] = $outanswers;
$question['comments'] = $qcomments;
$question['parentquestion'] = $parentquestion;
$question['closepost'] = $closepost;
$question['extravalue'] = $extravalue;
$question['categories'] = $categories;
$question['favorite'] = $favorite;
}
else {
$questionin = qa_db_select_with_pending(
qa_db_full_post_selectspec($userid, $questionid)
);
$usershtml=qa_userids_handles_html(array($questionin), true);
$question = qa_any_to_q_html_fields($questionin, $userid, qa_cookie_get(), $usershtml, null, $options);
}
$question['username'] = $this->get_username($userid);
return $question;
}
function get_full_post($post, $options, $usershtml) {
$fields['raw'] = $post;
$userid = qa_get_logged_in_userid();
$cookieid=qa_cookie_get();
$fields['netvotes_raw']=(int)$post['netvotes'];
$postid=$post['postid'];
$isquestion=($post['basetype']=='Q');
$isanswer=($post['basetype']=='A');
$isbyuser=@$post['userid']==$userid;
$anchor=urlencode(qa_anchor($post['basetype'], $postid));
$elementid=isset($options['elementid']) ? $options['elementid'] : $anchor;
$microformats=false;
$isselected=@$options['isselected'];
// content
if (@$options['contentview'] && !empty($post['content'])) {
$viewer=qa_load_viewer($post['content'], $post['format']);
$fields['content']=$viewer->get_html($post['content'], $post['format'], array(
'blockwordspreg' => @$options['blockwordspreg'],
'showurllinks' => @$options['showurllinks'],
'linksnewwindow' => @$options['linksnewwindow'],
));
}
if ($post['hidden'])
$fields['vote_state']='disabled';
elseif ($isbyuser)
$fields['vote_state']='disabled';
elseif (@$post['uservote']>0)
$fields['vote_state']='voted_up';
elseif (@$post['uservote']<0)
$fields['vote_state']='voted_down';
else {
if (strpos($options['voteview'], '-uponly-level')) {
$fields['vote_state']='up_only';
} else {
$fields['vote_state']='enabled';
}
}
// Created when and by whom
$fields['meta_order']=qa_lang_html('main/meta_order'); // sets ordering of meta elements which can be language-specific
if (@$options['whatview'] ) {
$fields['what']=qa_lang_html($isquestion ? 'main/asked' : ($isanswer ? 'main/answered' : 'main/commented'));
if (@$options['whatlink'] && !$isquestion)
$fields['what_url']=qa_path_html(qa_request(), array('show' => $postid), null, null, qa_anchor($post['basetype'], $postid));
}
if (isset($post['created']) && @$options['whenview'])
$fields['when']=qa_when_to_html($post['created'], @$options['fulldatedays']);
if (@$options['whoview']) {
$fields['who']=qa_who_to_html($isbyuser, @$post['userid'], $usershtml, @$options['ipview'] ? @$post['createip'] : null, $microformats);
if (isset($post['points'])) {
if (@$options['pointsview'])
$fields['who']['points']=($post['points']==1) ? qa_lang_html_sub_split('main/1_point', '1', '1')
: qa_lang_html_sub_split('main/x_points', qa_html(number_format($post['points'])));
if (isset($options['pointstitle']))
$fields['who']['title']=qa_get_points_title_html($post['points'], $options['pointstitle']);
}
if (isset($post['level']))
$fields['who']['level']=qa_html(qa_user_level_string($post['level']));
}
$isselected=@$options['isselected'];
// Updated when and by whom
if (isset($post['opostid'])) {
// updated meta
switch ($post['obasetype'].'-'.@$post['oupdatetype']) {
case 'Q-':
$langstring='main/asked';
break;
case 'Q-'.QA_UPDATE_VISIBLE:
$langstring=$post['hidden'] ? 'main/hidden' : 'main/reshown';
break;
case 'Q-'.QA_UPDATE_CLOSED:
$langstring=isset($post['closedbyid']) ? 'main/closed' : 'main/reopened';
break;
case 'Q-'.QA_UPDATE_TAGS:
$langstring='main/retagged';
break;
case 'Q-'.QA_UPDATE_CATEGORY:
$langstring='main/recategorized';
break;
case 'A-':
$langstring='main/answered';
break;
case 'A-'.QA_UPDATE_SELECTED:
$langstring='main/answer_selected';
break;
case 'A-'.QA_UPDATE_VISIBLE:
$langstring=$post['ohidden'] ? 'main/hidden' : 'main/answer_reshown';
break;
case 'A-'.QA_UPDATE_CONTENT:
$langstring='main/answer_edited';
break;
case 'Q-'.QA_UPDATE_FOLLOWS:
$langstring='main/asked_related_q';
break;
case 'C-':
$langstring='main/commented';
break;
case 'C-'.QA_UPDATE_TYPE:
$langstring='main/comment_moved';
break;
case 'C-'.QA_UPDATE_VISIBLE:
$langstring=$post['ohidden'] ? 'main/hidden' : 'main/comment_reshown';
break;
case 'C-'.QA_UPDATE_CONTENT:
$langstring='main/comment_edited';
break;
case 'Q-'.QA_UPDATE_CONTENT:
default:
$langstring='main/edited';
break;
}
$fields['what_2']=qa_lang_html($langstring);
if ( ($post['obasetype']!='Q') || (@$post['oupdatetype']==QA_UPDATE_FOLLOWS) )
$fields['what_2_url']=qa_q_path_html($post['postid'], $post['title'], false, $post['obasetype'], $post['opostid']);
if (@$options['contentview'] && !empty($post['ocontent'])) {
$viewer=qa_load_viewer($post['ocontent'], $post['oformat']);
$fields['content_2']=$viewer->get_html($post['ocontent'], $post['oformat'], array(
'blockwordspreg' => @$options['blockwordspreg'],
'showurllinks' => @$options['showurllinks'],
'linksnewwindow' => @$options['linksnewwindow'],
));
}
if (@$options['whenview'])
$fields['when_2']=qa_when_to_html($post['otime'], @$options['fulldatedays']);
if (@$options['whoview']) {
$isbyuser=qa_post_is_by_user(array('userid' => $post['ouserid'], 'cookieid' => @$post['ocookieid']), $userid, $cookieid);
$fields['who_2']=qa_who_to_html($isbyuser, $post['ouserid'], $usershtml, @$options['ipview'] ? @$post['oip'] : null, false);
if (isset($post['opoints'])) {
if (@$options['pointsview'])
$fields['who_2']['points']=($post['opoints']==1) ? qa_lang_html_sub_split('main/1_point', '1', '1')
: qa_lang_html_sub_split('main/x_points', qa_html(number_format($post['opoints'])));
if (isset($options['pointstitle']))
$fields['who_2']['title']=qa_get_points_title_html($post['opoints'], $options['pointstitle']);
}
if (isset($post['olevel']))
$fields['who_2']['level']=qa_html(qa_user_level_string($post['olevel']));
}
}
else if (
@$options['updateview'] && isset($post['updated']) &&
(($post['updatetype']!=QA_UPDATE_SELECTED) || $isselected) && // only show selected change if it's still selected
( // otherwise check if one of these conditions is fulfilled...
(!isset($post['created'])) || // ... we didn't show the created time (should never happen in practice)
($post['hidden'] && ($post['updatetype']==QA_UPDATE_VISIBLE)) || // ... the post was hidden as the last action
(isset($post['closedbyid']) && ($post['updatetype']==QA_UPDATE_CLOSED)) || // ... the post was closed as the last action
(abs($post['updated']-$post['created'])>300) || // ... or over 5 minutes passed between create and update times
($post['lastuserid']!=$post['userid']) // ... or it was updated by a different user
)
) {
switch ($post['updatetype']) {
case QA_UPDATE_TYPE:
case QA_UPDATE_PARENT:
$langstring='main/moved';
break;
case QA_UPDATE_CATEGORY:
$langstring='main/recategorized';
break;
case QA_UPDATE_VISIBLE:
$langstring=$post['hidden'] ? 'main/hidden' : 'main/reshown';
break;
case QA_UPDATE_CLOSED:
$langstring=isset($post['closedbyid']) ? 'main/closed' : 'main/reopened';
break;
case QA_UPDATE_TAGS:
$langstring='main/retagged';
break;
case QA_UPDATE_SELECTED:
$langstring='main/selected';
break;
default:
$langstring='main/edited';
break;
}
$fields['what_2']=qa_lang_html($langstring);
if (@$options['whenview']) {
$fields['when_2']=qa_when_to_html($post['updated'], @$options['fulldatedays']);
}
if (isset($post['lastuserid']) && @$options['whoview'])
$fields['who_2']=qa_who_to_html(isset($userid) && ($post['lastuserid']==$userid), $post['lastuserid'], $usershtml, @$options['ipview'] ? $post['lastip'] : null, false);
}
$fields['avatar'] = $this->get_post_avatar($post);
return $fields;
}
function get_updated_qs($count) {
$userid = qa_get_logged_in_userid();
$aselspec = qa_db_recent_a_qs_selectspec($userid, 0, null, null, false, false, $count);
$aselspec['columns']['content']='^posts.content';
$aselspec['columns']['notify']='^posts.notify';
$aselspec['columns']['updated']='UNIX_TIMESTAMP(^posts.updated)';
$aselspec['columns']['updatetype']='^posts.updatetype';
$aselspec['columns'][]='^posts.format';
$aselspec['columns'][]='^posts.lastuserid';
$aselspec['columns']['lastip']='INET_NTOA(^posts.lastip)';
$aselspec['columns'][]='^posts.parentid';
$aselspec['columns']['lastviewip']='INET_NTOA(^posts.lastviewip)';
$cselspec = qa_db_recent_c_qs_selectspec($userid, 0, null, null, false, false, $count);
$cselspec['columns']['content']='^posts.content';
$cselspec['columns']['notify']='^posts.notify';
$cselspec['columns']['updated']='UNIX_TIMESTAMP(^posts.updated)';
$cselspec['columns']['updatetype']='^posts.updatetype';
$cselspec['columns'][]='^posts.format';
$cselspec['columns'][]='^posts.lastuserid';
$cselspec['columns']['lastip']='INET_NTOA(^posts.lastip)';
$cselspec['columns'][]='^posts.parentid';
$cselspec['columns']['lastviewip']='INET_NTOA(^posts.lastviewip)';
$eselspec = qa_db_recent_edit_qs_selectspec($userid, 0, null, null, false, false, $count);
$eselspec['columns']['content']='^posts.content';
$eselspec['columns']['notify']='^posts.notify';
$eselspec['columns']['updated']='UNIX_TIMESTAMP(^posts.updated)';
$eselspec['columns']['updatetype']='^posts.updatetype';
$eselspec['columns'][]='^posts.format';
$eselspec['columns'][]='^posts.lastuserid';
$eselspec['columns']['lastip']='INET_NTOA(^posts.lastip)';
$eselspec['columns'][]='^posts.parentid';
$eselspec['columns']['lastviewip']='INET_NTOA(^posts.lastviewip)';
@list($questions1, $questions2, $questions3, $questions4)=qa_db_select_with_pending(
qa_db_qs_selectspec($userid, 'created', 0, null, null, false, true, $count),
$aselspec,
$cselspec,
$eselspec
);
$qarray = qa_any_sort_and_dedupe(array_merge($questions1, $questions2, $questions3, $questions4)); // questions
return array_values($qarray);
}
// actions
function do_action($data) {
$action_message = qa_lang( 'xmlrpc/action_failed' );
$output['action_success'] = false;
$userid = qa_get_logged_in_userid();
if($data['action'] != 'post') {
$postid = $data['action']=='select'?(int)@$data['action_data']['question_id']:(int)@$data['action_id'];
if(!$postid)
return $action_message;
$post=qa_db_select_with_pending(qa_db_full_post_selectspec($userid, $postid));
}
switch($data['action']) {
case 'vote':
$type = @$data['action_data']['type'];
$vote = @$data['action_data']['vote'];
$output['action_success'] = $this->do_vote($data, $post);
if($output['action_success'])
$action_message = qa_lang( 'xmlrpc/vote_success' );
break;
case 'favorite':
$output['action_success'] = $this->do_favorite($data, $post);
if($output['action_success'])
$action_message = qa_lang( 'xmlrpc/favorite_success' );
break;
case 'select':
$output['action_success'] = $this->do_select($data, $post);
if($output['action_success'])
$action_message = qa_lang( 'xmlrpc/select_success' );
break;
case 'post':
$output['action_success'] = $this->do_post($data);
if($output['action_success'])
$action_message = qa_lang( 'xmlrpc/post_success' );
break;
case 'edit':
$output['action_success'] = $this->do_edit($data, $post);
if($output['action_success'])
$action_message = qa_lang( 'xmlrpc/edit_success' );
break;
case 'flag':
$output['action_success'] = $this->do_flag($data, $post);
if($output['action_success'])
$action_message = qa_lang( 'xmlrpc/flag_success' );
break;
case 'unflag':
$output['action_success'] = $this->do_unflag($data, $post);
if($output['action_success'])
$action_message = qa_lang( 'xmlrpc/unflag_success' );
break;
case 'hide':
$output['action_success'] = $this->do_hide($data, $post);
if($output['action_success'])
$action_message = qa_lang( 'xmlrpc/hide_success' );
break;
case 'delete':
$output['action_success'] = $this->do_delete($data, $post);
if($output['action_success'])
$action_message = qa_lang( 'xmlrpc/delete_success' );
break;
}
return $action_message;
}
function do_post($data) {
if(!isset($data['action_data']) || !isset($data['action_data']['type']))
return false;
$userid = qa_get_logged_in_userid();
$cookieid=isset($userid) ? qa_cookie_get() : qa_cookie_get_create(); // create a new cookie if necessary
$questionid = (int)@$data['action_data']['question_id'];
$input = $data['action_data'];
$type = $input['type'];
$title = @$input['title'];
$content = @$input['content'];
$format = @$input['format'];
$tags = @$input['tags'];
$category = @$input['category'];
$notify = @$input['notify'];
$email = @$input['email'];
$parentid = @$input['parentid'];
$permiterror=qa_user_permit_error('permit_post_'.strtolower($type), QA_LIMIT_QUESTIONS);
if($permiterror) // not allowed
return false;
require_once QA_INCLUDE_DIR.'qa-app-posts.php';
$postid = qa_post_create($type, $parentid, $title, $content, $format, $category, $tags, $userid, $notify, $email);
return $postid != null;
}
function do_edit($data, $post) {
if(!isset($data['action_data']) || !isset($data['action_data']['type']))
return false;
$userid = qa_get_logged_in_userid();
$cookieid=isset($userid) ? qa_cookie_get() : qa_cookie_get_create(); // create a new cookie if necessary
$postid = (int)@$data['action_id'];
$input = $data['action_data'];
$type = $input['type'];
$title = @$input['title'];
$content = @$input['content'];
$format = @$input['format'];
$tags = @$input['tags'];
$notify = @$input['notify'];
$email = @$input['email'];
$parentid = @$input['parentid'];
if($post['userid'] != $userid) {
$permiterror=qa_user_permit_error('permit_edit_'.strtolower($type));
if($permiterror // not allowed
|| (($post['basetype']=='Q') && (isset($post['closedbyid']) || (isset($post['selchildid']) && qa_opt('do_close_on_select')))) // closed
)
return false;
}
require_once QA_INCLUDE_DIR.'qa-app-posts.php';
qa_post_set_content($postid, $title, $content, $format, $tags, $notify, $email, $userid);
return true;
}
function do_flag($data, $post) {
$questionid = (int)@$data['action_data']['question_id'];
$postid = (int)@$data['action_id'];
$userid = qa_get_logged_in_userid();
$handle=qa_get_logged_in_handle();
$cookieid=isset($userid) ? qa_cookie_get() : qa_cookie_get_create(); // create a new cookie if necessary
if($questionid === null || $postid === null)
return false;
if($questionid != $postid)
$question = qa_db_select_with_pending(qa_db_full_post_selectspec($userid, $questionid));
else
$question = $post;
require_once QA_INCLUDE_DIR.'qa-app-votes.php';
$error=qa_flag_error_html($post, $userid, "");
if (!$error) { // allowed
if (qa_flag_set_tohide($post, $userid, $handle, $cookieid, $question))
qa_post_set_hidden($postid, true);
return true;
}
return false;
}
function do_unflag($data, $post) {
$userid = qa_get_logged_in_userid();
$handle=qa_get_logged_in_handle();
$cookieid=isset($userid) ? qa_cookie_get() : qa_cookie_get_create(); // create a new cookie if necessary
if(@$post['userflag'] && (!$post['hidden'])) { // allowed
require_once QA_INCLUDE_DIR.'qa-app-votes.php';
qa_flag_clear($post, $userid, $handle, $cookieid);
return true;
}
return false;
}
function do_hide($data, $post) {
$userid=qa_get_logged_in_userid();
$cookieid=qa_cookie_get();
$userlevel=qa_user_level_for_post($post);
$postid = (int)@$data['action_id'];
$rules['closed']=($post['basetype']=='Q') && (isset($post['closedbyid']) || (isset($post['selchildid']) && qa_opt('do_close_on_select')));
$rules['isbyuser']=qa_post_is_by_user($post, $userid, $cookieid);
$rules['queued']=(substr($post['type'], 1)=='_QUEUED');
$rules['authorlast']=((!isset($post['lastuserid'])) || ($post['lastuserid']===$post['userid']));
$notclosedbyother=!($rules['closed'] && isset($post['closedbyid']) && !$rules['authorlast']);
$nothiddenbyother=!($post['hidden'] && !$rules['authorlast']);
$permiterror_hide_show=qa_user_permit_error($rules['isbyuser'] ? null : 'permit_hide_show', null, $userlevel);
$rules['reshowimmed']=$post['hidden'] && !qa_user_permit_error('permit_hide_show', null, $userlevel);
// means post can be reshown immediately without checking whether it needs moderation
$hideable=(!$post['hidden']) && ($rules['isbyuser'] || !$rules['queued']) &&
(!$permiterror_hide_show) && ($notclosedbyother || !qa_user_permit_error('permit_hide_show', null, $userlevel));
$showable=$post['hidden'] && (!$permiterror_hide_show) &&
($rules['reshowimmed'] || ($nothiddenbyother && !$post['flagcount']));
// cannot reshow a question if it was hidden by someone else, or if it has flags - unless you have global hide/show permissions
require_once QA_INCLUDE_DIR.'qa-app-posts.php';
if($hideable && isset($data['action_data']['hide'])) // hide allowed
qa_post_set_hidden($postid, true, $userid);
else if ($showable && !isset($data['action_data']['hide'])) // reshow allowed
qa_post_set_hidden($postid, false, $userid);
else return false;
return true;
}
function do_delete($data, $post) {
$userlevel=qa_user_level_for_post($post);
$deleteable=$post['hidden'] && !qa_user_permit_error('permit_delete_hidden', null, $userlevel);
$postid = (int)@$data['action_id'];
if(!$deleteable)
return false;
require_once QA_INCLUDE_DIR.'qa-app-posts.php';
qa_post_delete($postid);
return true;
}
function do_vote($data, $post) {
require_once QA_INCLUDE_DIR.'qa-app-votes.php';
$postid = (int)@$data['action_id'];
$info = @$data['action_data'];
$vote = (int)@$info['vote'];
$type = @$info['type'];
$userid = qa_get_logged_in_userid();
$cookieid=isset($userid) ? qa_cookie_get() : qa_cookie_get_create(); // create a new cookie if necessary
if($postid === null || $vote === null || $type === null)
return false;
$voteerror=qa_vote_error_html($post, $vote, $userid, "");
if ($voteerror === false) { // allowed
qa_vote_set($post, $userid, qa_get_logged_in_handle(), $cookieid, $vote);
return true;
}
return false;
}
function do_select($data, $question) {
$questionid = (int)@$data['action_data']['question_id'];
$answerid = (int)@$data['action_id'];
if($questionid === null)
return false;
$userid = qa_get_logged_in_userid();
require_once QA_INCLUDE_DIR.'qa-app-posts.php';
require_once(QA_INCLUDE_DIR.'qa-page-question-view.php');
$qchildposts = qa_db_select_with_pending(qa_db_full_child_posts_selectspec($userid, $questionid));
$question=$question+qa_page_q_post_rules($question, null, null, $qchildposts); // array union
if(isset($data['action_data']['select']) && $question['aselectable'] && (!isset($answerid) || ( (!isset($question['selchildid'])) && !qa_opt('do_close_on_select')))) { // allowed to select
qa_post_set_selchildid($questionid, $answerid, $userid);
return true;
}
else if(!isset($data['action_data']['select']) && $question['aselectable'] && isset($answerid) && (int)$question['selchildid'] == $answerid) { // allowed to unselect
qa_post_set_selchildid($questionid, null, $userid);
return true;
}
return false;
}
function do_favorite($data) {
$postid = (int)@$data['action_id'];
$info = @$data['action_data'];
$favorite = isset($info['favorite']);
$type = @$info['type'];
if($postid === null || $type === null)
return false;
require_once QA_INCLUDE_DIR.'qa-app-favorites.php';
$userid = qa_get_logged_in_userid();
$handle = qa_get_logged_in_handle();
$cookieid=isset($userid) ? qa_cookie_get() : qa_cookie_get_create(); // create a new cookie if necessary
qa_user_favorite_set($userid, $handle, $cookieid, $type, $postid, $favorite);
return true;
}
function get_meta_data() {
$meta['options'] = $this->get_qa_opts();
$meta['user'] = $this->get_user_data();
return $meta;
}
function decide_output($error = false) {
$output['confirmation'] = $error;
$output['message'] = $error?qa_lang( 'xmlrpc/error' ):qa_lang( 'xmlrpc/success' );
return $output;
}