189 lines
5.3 KiB
PHP
189 lines
5.3 KiB
PHP
<?php
|
|
/**
|
|
* Web Request Start Script
|
|
*
|
|
* This loads the environment needed for a web request
|
|
*
|
|
* @author Daniel J. Summers <daniel@bitbadger.solutions>
|
|
* @license MIT
|
|
*/
|
|
|
|
declare(strict_types=1);
|
|
|
|
use BitBadger\PDODocument\Configuration;
|
|
use FeedReaderCentral\{Key, Security, User};
|
|
|
|
require 'app-config.php';
|
|
|
|
session_start([
|
|
'name' => 'FRCSESSION',
|
|
'use_strict_mode' => true,
|
|
'cookie_httponly' => true,
|
|
'cookie_samesite' => 'Strict']);
|
|
|
|
/**
|
|
* Add a message to be displayed at the top of the page
|
|
*
|
|
* @param string $level The level (type) of the message
|
|
* @param string $message The message itself
|
|
*/
|
|
function add_message(string $level, string $message): void
|
|
{
|
|
if (!key_exists(Key::UserMsg, $_SESSION)) $_SESSION[Key::UserMsg] = [];
|
|
$_SESSION[Key::UserMsg][] = ['level' => $level, 'message' => $message];
|
|
}
|
|
|
|
/**
|
|
* Add an error message to be displayed at the top of the page
|
|
*
|
|
* @param string $message The message to be displayed
|
|
*/
|
|
function add_error(string $message): void
|
|
{
|
|
add_message('ERROR', $message);
|
|
}
|
|
|
|
/**
|
|
* Add an error message to be displayed at the top of the page
|
|
*
|
|
* @param string $message The message to be displayed
|
|
*/
|
|
function add_info(string $message): void
|
|
{
|
|
add_message('INFO', $message);
|
|
}
|
|
|
|
/** True if this request was initiated by htmx, false if not */
|
|
$is_htmx = key_exists('HTTP_HX_REQUEST', $_SERVER) && !key_exists('HTTP_HX_HISTORY_RESTORE_REQUEST', $_SERVER);
|
|
|
|
/**
|
|
* Create a navigation link in the top right nav bar
|
|
*
|
|
* @param string $link The link to be placed
|
|
* @param bool $isFirst True if this is the first link being placed, false if not
|
|
*/
|
|
function nav_link(string $link, bool $isFirst = false): void
|
|
{
|
|
$sep = $isFirst ? '' : ' | ';
|
|
echo "<span>$sep$link</span>";
|
|
}
|
|
|
|
/**
|
|
* Render the title bar for the page
|
|
*/
|
|
function title_bar(): void
|
|
{
|
|
$version = display_version();
|
|
echo "<header hx-target=#main hx-push-url=true>"
|
|
. "<div><a href=/ class=title>Feed Reader Central</a><span class=version>$version</span></div>"
|
|
. "<nav>";
|
|
if (key_exists(Key::UserId, $_SESSION)) {
|
|
nav_link(hx_get('/feeds', 'Feeds'), true);
|
|
if (User::hasBookmarks()) nav_link(hx_get('/?bookmarked', 'Bookmarked'));
|
|
nav_link(hx_get('/search', 'Search'));
|
|
nav_link(hx_get('/docs/', 'Docs'));
|
|
nav_link('<a href=/user/log-off>Log Off</a>');
|
|
if ($_SESSION[Key::UserEmail] !== Security::SingleUserEmail) {
|
|
nav_link($_SESSION[Key::UserEmail]);
|
|
}
|
|
} else {
|
|
nav_link(hx_get('/user/log-on', 'Log On'), true);
|
|
nav_link(hx_get('/docs/', 'Docs'));
|
|
}
|
|
echo '</nav></header>'
|
|
. '<main id=main hx-target=this hx-push-url=true hx-swap="innerHTML show:window:top">';
|
|
}
|
|
|
|
/**
|
|
* Render the page title
|
|
* @param string $title The title of the page being displayed
|
|
*/
|
|
function page_head(string $title): void
|
|
{
|
|
global $is_htmx;
|
|
echo '<!DOCTYPE html><html lang=en>'
|
|
. "<head><title>$title | Feed Reader Central</title>";
|
|
if (!$is_htmx) {
|
|
echo '<meta name=viewport content="width=device-width, initial-scale=1">'
|
|
. "<meta name=htmx-config content='{\"historyCacheSize\":0}'>"
|
|
. '<link href=/assets/style.css rel=stylesheet>';
|
|
}
|
|
echo '</head><body>';
|
|
if (!$is_htmx) title_bar();
|
|
if (sizeof($messages = $_SESSION[Key::UserMsg] ?? []) > 0) {
|
|
echo '<div class=user_messages>';
|
|
array_walk($messages, function ($msg) {
|
|
echo '<div class=user_message>'
|
|
. ($msg['level'] === 'INFO' ? '' : "<strong>{$msg['level']}</strong><br>")
|
|
. $msg['message'] . '</div>';
|
|
});
|
|
echo '</div>';
|
|
$_SESSION[Key::UserMsg] = [];
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Render the end of the page
|
|
*/
|
|
function page_foot(): void
|
|
{
|
|
global $is_htmx;
|
|
echo '</main>' . ($is_htmx ? '' : '<script src=/assets/htmx.min.js></script>') . '</body></html>';
|
|
session_commit();
|
|
}
|
|
|
|
/**
|
|
* Redirect the user to the given URL
|
|
*
|
|
* @param string $value A local URL to which the user should be redirected
|
|
*/
|
|
function frc_redirect(string $value): never
|
|
{
|
|
if (str_starts_with($value, 'http')) {
|
|
http_response_code(400);
|
|
die();
|
|
}
|
|
session_commit();
|
|
header("Location: $value", true, 303);
|
|
Configuration::resetPDO();
|
|
die();
|
|
}
|
|
|
|
/**
|
|
* Convert a date/time string to a date/time in the configured format
|
|
*
|
|
* @param string $value The date/time string
|
|
* @return string The standard format of a date/time, or '(invalid date)' if the date could not be parsed
|
|
*/
|
|
function date_time(string $value): string
|
|
{
|
|
try {
|
|
return (new DateTimeImmutable($value))->format(DATE_TIME_FORMAT);
|
|
} catch (Exception) {
|
|
return '(invalid date)';
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Create an anchor tag with both `href` and `hx-get` attributes
|
|
*
|
|
* @param string $url The URL to which navigation should occur
|
|
* @param string $text The text for the link
|
|
* @param string $extraAttrs Extra attributes for the anchor tag (must be attribute-encoded)
|
|
* @return string The anchor tag with both `href` and `hx-get` attributes
|
|
*/
|
|
function hx_get(string $url, string $text, string $extraAttrs = ''): string
|
|
{
|
|
$attrs = $extraAttrs !== '' ? " $extraAttrs" : '';
|
|
return "<a href=\"$url\" hx-get=\"$url\"$attrs>$text</a>";
|
|
}
|
|
|
|
/**
|
|
* Return a 404 Not Found
|
|
*/
|
|
function not_found(): never
|
|
{
|
|
http_response_code(404);
|
|
die('Not Found');
|
|
}
|