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121 lines
3.4 KiB
PHP
121 lines
3.4 KiB
PHP
<?php
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/**
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* \file
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* Generate instructions page.
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*/
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require_once '+getenv.php';
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/**
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* @var string[] $instruction_files
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* List of all files containing localized site instructions.
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*/
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$instruction_files = glob("+instructions/*.txt");
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/**
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* Get the language name of the given localized file.
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*
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* @param string $file File containing site instructions.
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*
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* @return string
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*/
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function file_language($file) {
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$filename = pathinfo($file)['filename'];
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return explode(" ", $filename)[0];
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}
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/**
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* Get the language code of the given localized file.
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*
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* @param string $file File containing site instructions.
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*
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* @return string
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*/
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function file_language_code($file) {
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$filename = pathinfo($file)['filename'];
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$code_in_brackets = explode(" ", $filename)[1];
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return mb_substr($code_in_brackets, 1, mb_strlen($code_in_brackets) - 2);
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}
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/**
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* @var string $languages
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* List of languages in which instructions are available.
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*/
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$languages = array_map('file_language', array_slice($instruction_files, 0, 10));
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/**
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* @var string $language_enumeration
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* Enumerated list of languages with available instructions.
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*/
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$language_enumeration = join(", ", $languages);
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?>
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<?php include "+components/page-head.php" ?>
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<link rel="stylesheet" href="/css/common-dark.css">
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<link rel="stylesheet" href="/css/instructions.css">
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<style type="text/css">
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<?php foreach ($instruction_files as $i => $file): ?>
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#language-selection_<?=$i?>:checked ~
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#instructions #instructions-<?=$i?> {
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display: block;
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}
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<?php endforeach; ?>
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</style>
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</head>
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<body>
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<header>
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<h1>Instructions for joining Session Communities</h1>
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</header>
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<main>
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<p id="link-return">
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<a href="/" title="Return to the Session Community listing">
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Go back to Community list
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</a>
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</p>
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<div id="instructions-image" title="Mobile phone scanning a QR code from SessionCommunities.online."></div>
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<input id="language-selection-show" class="hidden" type="checkbox">
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<h2 id="language-selection-title" title="Click to show available languages">
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<label for="language-selection-show" tabindex="0">
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Choose language
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</label>
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</h2>
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<?php foreach ($instruction_files as $i => $file): ?>
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<input
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id="language-selection_<?=$i?>"
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class="language-selection"
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name="language"
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type="radio"
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<?=file_language($file) == 'English' ? 'checked="checked"' : ''?>
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><label class="language-selection-label" for="language-selection_<?=$i?>"> <?=
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file_language($file);
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?></label>
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<?php endforeach; ?>
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<article id="instructions">
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<?php foreach ($instruction_files as $i => $file): ?>
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<section id="instructions-<?=$i?>" class="instructions" lang="<?=file_language_code($file)?>"><?php
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// Sanitization as second layer of protection
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// for user-submitted instruction files.
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// Should not ever have to be used.
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/**
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* @var string $content
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* Instructions file contents.
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*/
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$content = trim(file_get_contents($file));
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$content = htmlentities($content);
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// Minimal formatting so that contributions are easier
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$content = str_replace("\n-", "\n\n•", $content);
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$content = str_replace("\n\n\n", "<br><br>", $content);
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$content = str_replace("\n\n", "<br>", $content);
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echo $content;
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?>
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</section>
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<?php endforeach; ?>
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</article>
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</main>
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</body>
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</html>
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