"Page viewer",
"version" => "0.14",
"author" => "Starbeamrainbowlabs",
"description" => "Allows you to view pages. You really should include this one.",
"id" => "page-view",
"code" => function() {
/**
* @api {get} ?action=view[&page={pageName}][&revision=rid][&printable=yes] View a page
* @apiName View
* @apiGroup Page
* @apiPermission Anonymous
*
* @apiUse PageParameter
* @apiParam {number} revision The revision number to display.
* @apiParam {string} printable Set to 'yes' to get a printable version of the specified page instead.
*
* @apiError NonExistentPageError The page doesn't exist and editing is disabled in the wiki's settings. If editing isn't disabled, you will be redirected to the edit apge instead.
* @apiError NonExistentRevisionError The specified revision was not found.
*/
/*
* ██ ██ ██ ███████ ██ ██
* ██ ██ ██ ██ ██ ██
* ██ ██ ██ █████ ██ █ ██
* ██ ██ ██ ██ ██ ███ ██
* ████ ██ ███████ ███ ███
*/
add_action("view", function() {
global $pageindex, $settings, $env;
// Check to make sure that the page exists
$page = $env->page;
if(!isset($pageindex->$page))
{
// todo make this intelligent so we only redirect if the user is acutally able to create the page
if($settings->editing)
{
// Editing is enabled, redirect to the editing page
http_response_code(307); // Temporary redirect
header("location: index.php?action=edit&newpage=yes&page=" . rawurlencode($env->page));
exit();
}
else
{
// Editing is disabled, show an error message
http_response_code(404);
exit(page_renderer::render_main("404: Page not found - $env->page - $settings->sitename", "$env->page does not exist.
Since editing is currently disabled on this wiki, you may not create this page. If you feel that this page should exist, try contacting this wiki's Administrator.
"));
}
}
// Perform a redirect if the requested page is a redirect page
if(isset($pageindex->$page->redirect) &&
$pageindex->$page->redirect === true)
{
$send_redirect = true;
if(isset($_GET["redirect"]) && $_GET["redirect"] == "no")
$send_redirect = false;
if($send_redirect)
{
// Todo send an explanatory page along with the redirect
http_response_code(307);
header("location: ?action=$env->action&page=" . $pageindex->$page->redirect_target . "&redirected_from=$env->page");
exit();
}
}
$isHistoryRevision = false;
if(isset($_GET["revision"]) and is_numeric($_GET["revision"]))
{
// We have a revision number!
$isHistoryRevision = true;
$revisionNumber = intval($_GET["revision"]);
$revisionData = $pageindex->{$env->page}->history[$revisionNumber];
// Make sure that the revision exists for later on
if(!isset($pageindex->{$env->page}->history[$revisionNumber]))
{
http_response_code(404);
exit(page_renderer::render_main("404: Revision Not Found - $env->page - $settings->sitename", "Revision #$revisionNumer of $env->page doesn't appear to exist. Try viewing the list of revisions for $env->page, or viewing the latest revision instead.
"));
}
}
$title = "$env->page - $settings->sitename";
if(isset($pageindex->$page->protect) && $pageindex->$page->protect === true)
$title = $settings->protectedpagechar . $title;
$content = "";
if(!$isHistoryRevision)
$content .= "$env->page
\n";
else
{
$content .= "Revision #$revisionNumber of $env->page
\n";
$content .= "(Revision created by $revisionData->editor " . render_timestamp($revisionData->timestamp) . ". Jump to the current revision or see a list of all revisions for this page.)
\n";
}
// Add an extra message if the requester was redirected from another page
if(isset($_GET["redirected_from"]))
$content .= "Redirected from " . $_GET["redirected_from"] . ".
";
// Construct the filename
$pageFilename = "$env->storage_prefix";
if($isHistoryRevision)
{
$pageFilename .= $pageindex->{$env->page}->history[$revisionNumber]->filename;
}
else
$pageFilename .= $pageindex->{$env->page}->filename;
$parsing_start = microtime(true);
$content .= parse_page_source(file_get_contents($pageFilename));
if(!empty($pageindex->$page->tags))
{
$content .= "\n";
foreach($pageindex->$page->tags as $tag)
{
$content .= "- $tag
\n";
}
$content .= "\n
\n";
}
/*else
{
$content .= "\n";
}*/
if($settings->show_subpages)
{
$subpages = get_object_vars(get_subpages($pageindex, $env->page));
if(count($subpages) > 0)
{
$content .= "
";
$content .= "Subpages: ";
foreach($subpages as $subpage => $times_removed)
{
if($times_removed <= $settings->subpages_display_depth)
{
$content .= "$subpage, ";
}
}
// Remove the last comma from the content
$content = substr($content, 0, -2);
}
}
$content .= "\n\t\t\n";
// Prevent indexing of this page if it's still within the noindex
// time period
if(isset($settings->delayed_indexing_time) and
time() - $pageindex->{$env->page}->lastmodified < $settings->delayed_indexing_time)
header("x-robots-tag: noindex");
// Content only mode: Send only the raw rendered page
if(isset($_GET["contentonly"]) and $_GET["contentonly"] === "yes")
exit(parse_page_source($content));
// Printable: Sends a printable version of the page
if(isset($_GET["printable"]) and $_GET["printable"] === "yes")
exit(page_renderer::render_minimal($title, $content));
// Normal page
$settings->footer_message = "Last edited at " . date('h:ia T \o\n j F Y', $pageindex->{$env->page}->lastmodified) . ".\n"; // Add the last edited time to the footer
exit(page_renderer::render_main($title, $content));
});
}
]);
?>