diff options
Diffstat (limited to 'vendor/mikespub/php-epub-meta/src/App/Handler.php')
| -rw-r--r-- | vendor/mikespub/php-epub-meta/src/App/Handler.php | 236 |
1 files changed, 236 insertions, 0 deletions
diff --git a/vendor/mikespub/php-epub-meta/src/App/Handler.php b/vendor/mikespub/php-epub-meta/src/App/Handler.php new file mode 100644 index 000000000..f1f7547ec --- /dev/null +++ b/vendor/mikespub/php-epub-meta/src/App/Handler.php @@ -0,0 +1,236 @@ +<?php +/** + * PHP EPub Meta - App request handler + * + * @author Andreas Gohr <andi@splitbrain.org> + * @author Sébastien Lucas <sebastien@slucas.fr> + * @author Simon Schrape <simon@epubli.com> © 2015 + * @author mikespub + */ + +namespace SebLucas\EPubMeta\App; + +use SebLucas\EPubMeta\EPub; +use SebLucas\EPubMeta\Tools\ZipEdit; +use Exception; + +class Handler +{ + protected string $bookdir; + protected string $rootdir; + protected ?EPub $epub; + protected ?string $error; + + public function __construct(string $bookdir) + { + $this->bookdir = $bookdir; + $this->rootdir = dirname(__DIR__, 2); + } + + /** + * Handle request + * @param mixed $request @todo + * @return void + */ + public function handle($request = null) + { + // proxy google requests + if (isset($_GET['api'])) { + header('application/json; charset=UTF-8'); + echo $this->searchBookApi($_GET['api']); + return; + } + if (!empty($_REQUEST['book'])) { + try { + $book = preg_replace('/[^\w ._-]+/', '', $_REQUEST['book']); + $book = basename($book . '.epub'); // no upper dirs, lowers might be supported later + $this->epub = new EPub($this->bookdir . $book, ZipEdit::class); + } catch (Exception $e) { + $this->error = $e->getMessage(); + } + } + // return image data + if (!empty($_REQUEST['img']) && isset($this->epub)) { + $img = $this->epub->getCoverInfo(); + header('Content-Type: ' . $img['mime']); + echo $img['data']; + return; + } + // save epub data + if (isset($_REQUEST['save']) && isset($this->epub)) { + $this->epub = $this->saveEpubData($this->epub); + if (!$this->error) { + // rename + $new = $this->renameEpubFile($this->epub); + $go = basename($new, '.epub'); + header('Location: ?book=' . rawurlencode($go)); + return; + } + } + $data = []; + $data['bookdir'] = htmlspecialchars($this->bookdir); + $data['booklist'] = ''; + $list = glob($this->bookdir . '/*.epub'); + foreach ($list as $book) { + $base = basename($book, '.epub'); + $name = Util::book_output($base); + $data['booklist'] .= '<li ' . ($base == $_REQUEST['book'] ? 'class="active"' : '') . '>'; + $data['booklist'] .= '<a href="?book=' . htmlspecialchars($base) . '">' . $name . '</a>'; + $data['booklist'] .= '</li>'; + } + if (isset($this->error)) { + $data['alert'] = "alert('" . htmlspecialchars($this->error) . "');"; + } + if (empty($this->epub)) { + $data['license'] = str_replace("\n\n", '</p><p>', htmlspecialchars(file_get_contents($this->rootdir . '/LICENSE'))); + $template = $this->rootdir . '/templates/index.html'; + } else { + $data = $this->getEpubData($this->epub, $data); + $template = $this->rootdir . '/templates/epub.html'; + } + header('Content-Type: text/html; charset=utf-8'); + echo $this->renderTemplate($template, $data); + } + + /** + * Proxy google requests + * @param string $query + * @return string|false + */ + protected function searchBookApi($query) + { + return file_get_contents('https://www.googleapis.com/books/v1/volumes?q=' . rawurlencode($query) . '&maxResults=25&printType=books&projection=full'); + } + + /** + * Get Epub data + * @param EPub $epub + * @param array<string, string> $data + * @return array<string, string> + */ + protected function getEpubData($epub, $data = []) + { + $data['book'] = htmlspecialchars($_REQUEST['book']); + $data['title'] = htmlspecialchars($epub->getTitle()); + $data['authors'] = ''; + $count = 0; + foreach ($epub->getAuthors() as $as => $name) { + $data['authors'] .= '<p>'; + $data['authors'] .= '<input type="text" name="authorname[' . $count . ']" value="' . htmlspecialchars($name) . '" />'; + $data['authors'] .= ' (<input type="text" name="authoras[' . $count . ']" value="' . htmlspecialchars($as) . '" />)'; + $data['authors'] .= '</p>'; + $count++; + } + $data['cover'] = '?book=' . htmlspecialchars($_REQUEST['book']) . '&img=1'; + $c = $epub->getCoverInfo(); + $data['imgclass'] = $c['found'] ? 'hasimg' : 'noimg'; + $data['description'] = htmlspecialchars($epub->getDescription()); + $data['subjects'] = htmlspecialchars(join(', ', $epub->getSubjects())); + $data['publisher'] = htmlspecialchars($epub->getPublisher()); + $data['copyright'] = htmlspecialchars($epub->getCopyright()); + $data['language'] = htmlspecialchars($epub->getLanguage()); + $data['isbn'] = htmlspecialchars($epub->getISBN()); + return $data; + } + + /** + * Save Epub data + * @param EPub $epub + * @return EPub + */ + protected function saveEpubData($epub) + { + $epub->setTitle($_POST['title']); + $epub->setDescription($_POST['description']); + $epub->setLanguage($_POST['language']); + $epub->setPublisher($_POST['publisher']); + $epub->setCopyright($_POST['copyright']); + $epub->setIsbn($_POST['isbn']); + $epub->setSubjects($_POST['subjects']); + + $authors = []; + foreach ((array) $_POST['authorname'] as $num => $name) { + if ($name) { + $as = $_POST['authoras'][$num]; + if (!$as) { + $as = $name; + } + $authors[$as] = $name; + } + } + $epub->setAuthors($authors); + + // handle image + $cover = ''; + if (preg_match('/^https?:\/\//i', $_POST['coverurl'])) { + $data = @file_get_contents($_POST['coverurl']); + if ($data) { + $cover = tempnam(sys_get_temp_dir(), 'epubcover'); + file_put_contents($cover, $data); + unset($data); + } + } elseif(is_uploaded_file($_FILES['coverfile']['tmp_name'])) { + $cover = $_FILES['coverfile']['tmp_name']; + } + if ($cover) { + $info = @getimagesize($cover); + if (preg_match('/^image\/(gif|jpe?g|png)$/', $info['mime'])) { + $epub->setCoverInfo($cover, $info['mime']); + } else { + $this->error = 'Not a valid image file' . $cover; + } + } + + // save the ebook + try { + $epub->save(); + } catch (Exception $e) { + $this->error = $e->getMessage(); + } + + // clean up temporary cover file + if ($cover) { + @unlink($cover); + } + + return $epub; + } + + /** + * Rename Epub file + * @param EPub $epub + * @return string + */ + protected function renameEpubFile($epub) + { + $author = array_keys($epub->getAuthors())[0]; + $title = $epub->getTitle(); + $new = Util::to_file($author . '-' . $title); + $new = $this->bookdir . $new . '.epub'; + $old = $epub->file(); + if (realpath($new) != realpath($old)) { + if (!@rename($old, $new)) { + $new = $old; //rename failed, stay here + } + } + return $new; + } + + /** + * Render template with data + * @param string $template + * @param array<string, string> $data + * @return string + */ + protected function renderTemplate($template, $data) + { + if (!file_exists($template)) { + throw new Exception('Invalid template ' . htmlspecialchars($template)); + } + $content = file_get_contents($template); + foreach ($data as $name => $value) { + $content = preg_replace('/{{\s*' . $name . '\s*}}/', $value, $content); + } + return $content; + } +} |