"Page viewer",
"version" => "0.16",
"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} mode Optional. The display mode to use. Can hld the following values: 'normal' - The default. Sends a normal page. 'printable' - Sends a printable version of the page. 'contentonly' - Sends only the content of the page, not the extra stuff around it. 'parsedsourceonly' - Sends only the raw rendered source of the page, as it appears just after it has come out of the page parser. Useful for writing external tools (see also the `raw` action).
*
* @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 page 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);
$redirectUrl = "?action=$env->action&redirected_from=$env->page";
$hashCode = "";
$newPage = $pageindex->$page->redirect_target;
if(strpos($newPage, "#") !== false)
{
// Extract the part after the hash symbol
$hashCode = substr($newPage, strpos($newPage, "#") + 1);
// Remove the hash from the new page name
$newPage = substr($newPage, 0, strpos($newPage, "#"));
}
$redirectUrl .= "&page=$newPage";
if(!empty($pageindex->$newPage->redirect))
$redirectUrl .= "&redirect=no";
if(strlen($hashCode) > 0)
$redirectUrl .= "#$hashCode";
header("location: $redirectUrl");
exit();
}
}
$title = "$env->page - $settings->sitename";
if(isset($pageindex->$page->protect) && $pageindex->$page->protect === true)
$title = $settings->protectedpagechar . $title;
$content = "";
if(!$env->is_history_revision)
$content .= "$env->page
\n";
else
{
$content .= "Revision #{$env->history->revision_number} of $env->page
\n";
$content .= "(Revision saved by $revisionData->editor " . render_timestamp($env->history->revision_data->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"] . ".
";
$parsing_start = microtime(true);
$rawRenderedSource = parse_page_source(file_get_contents($env->page_filename));
$content .= $rawRenderedSource;
if(!empty($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");
$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
switch(strtolower(trim($_GET["mode"])))
{
case "contentonly":
// Content only mode: Send only the content of the page
exit($content);
case "parsedsourceonly":
// Parsed source only mode: Send only the raw rendered source
exit($rawRenderedSource);
case "printable":
// Printable mode: Sends a printable version of the page
exit(page_renderer::render_minimal($title, $content));
case "normal":
default:
// Normal mode: Send a normal page
exit(page_renderer::render_main($title, $content));
}
});
}
]);
?>