1 files changed, 299 insertions, 0 deletions
diff --git a/lib/private/Template/functions.php b/lib/private/Template/functions.php
new file mode 100644
index 00000000000..402a7491e03
--- /dev/null
+++ b/lib/private/Template/functions.php
@@ -0,0 +1,299 @@
+<?php
+
+/**
+ * SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-FileCopyrightText: 2016 ownCloud, Inc.
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+use OC\Security\CSP\ContentSecurityPolicyNonceManager;
+use OCP\Files\IMimeTypeDetector;
+use OCP\IDateTimeFormatter;
+use OCP\IURLGenerator;
+use OCP\Server;
+use OCP\Util;
+
+/**
+ * @param string $string
+ */
+function p($string): void {
+	print(Util::sanitizeHTML($string));
+}
+
+/**
+ * Prints a <link> tag for loading css
+ * @param string $href the source URL, ignored when empty
+ * @param string $opts, additional optional options
+ */
+function emit_css_tag($href, $opts = ''): void {
+	$s = '<link rel="stylesheet"';
+	if (!empty($href)) {
+		$s .= ' href="' . $href . '"';
+	}
+	if (!empty($opts)) {
+		$s .= ' ' . $opts;
+	}
+	print_unescaped($s . ">\n");
+}
+
+/**
+ * Prints all tags for CSS loading
+ * @param array $obj all the script information from template
+ */
+function emit_css_loading_tags($obj): void {
+	foreach ($obj['cssfiles'] as $css) {
+		emit_css_tag($css);
+	}
+	foreach ($obj['printcssfiles'] as $css) {
+		emit_css_tag($css, 'media="print"');
+	}
+}
+
+/**
+ * Prints a <script> tag with nonce and defer depending on config
+ * @param string $src the source URL, ignored when empty
+ * @param string $script_content the inline script content, ignored when empty
+ * @param string $content_type the type of the source (e.g. 'module')
+ */
+function emit_script_tag(string $src, string $script_content = '', string $content_type = ''): void {
+	$nonceManager = Server::get(ContentSecurityPolicyNonceManager::class);
+
+	$defer_str = ' defer';
+	$type = $content_type !== '' ? ' type="' . $content_type . '"' : '';
+
+	$s = '<script nonce="' . $nonceManager->getNonce() . '"';
+	if (!empty($src)) {
+		// emit script tag for deferred loading from $src
+		$s .= $defer_str . ' src="' . $src . '"' . $type . '>';
+	} elseif ($script_content !== '') {
+		// emit script tag for inline script from $script_content without defer (see MDN)
+		$s .= ">\n" . $script_content . "\n";
+	} else {
+		// no $src nor $src_content, really useless empty tag
+		$s .= '>';
+	}
+	$s .= '</script>';
+	print_unescaped($s . "\n");
+}
+
+/**
+ * Print all <script> tags for loading JS
+ * @param array $obj all the script information from template
+ */
+function emit_script_loading_tags($obj): void {
+	foreach ($obj['jsfiles'] as $jsfile) {
+		$fileName = explode('?', $jsfile, 2)[0];
+		$type = str_ends_with($fileName, '.mjs') ? 'module' : '';
+		emit_script_tag($jsfile, '', $type);
+	}
+	if (!empty($obj['inline_ocjs'])) {
+		emit_script_tag('', $obj['inline_ocjs']);
+	}
+}
+
+/**
+ * Prints an unsanitized string - usage of this function may result into XSS.
+ * Consider using p() instead.
+ * @param string $string the string which will be printed as it is
+ */
+function print_unescaped($string): void {
+	print($string);
+}
+
+/**
+ * Shortcut for adding scripts to a page
+ * All scripts are forced to be loaded after core since
+ * they are coming from a template registration.
+ * Please consider moving them into the relevant controller
+ *
+ * @deprecated 24.0.0 - Use \OCP\Util::addScript
+ *
+ * @param string $app the appname
+ * @param string|string[] $file the filename,
+ *                              if an array is given it will add all scripts
+ */
+function script($app, $file = null): void {
+	if (is_array($file)) {
+		foreach ($file as $script) {
+			Util::addScript($app, $script, 'core');
+		}
+	} else {
+		Util::addScript($app, $file, 'core');
+	}
+}
+
+/**
+ * Shortcut for adding styles to a page
+ * @param string $app the appname
+ * @param string|string[] $file the filename,
+ *                              if an array is given it will add all styles
+ */
+function style($app, $file = null): void {
+	if (is_array($file)) {
+		foreach ($file as $f) {
+			Util::addStyle($app, $f);
+		}
+	} else {
+		Util::addStyle($app, $file);
+	}
+}
+
+/**
+ * Shortcut for adding vendor styles to a page
+ * @param string $app the appname
+ * @param string|string[] $file the filename,
+ *                              if an array is given it will add all styles
+ * @deprecated 32.0.0
+ */
+function vendor_style($app, $file = null): void {
+	if (is_array($file)) {
+		foreach ($file as $f) {
+			OC_Util::addVendorStyle($app, $f);
+		}
+	} else {
+		OC_Util::addVendorStyle($app, $file);
+	}
+}
+
+/**
+ * Shortcut for adding translations to a page
+ * @param string $app the appname
+ *                    if an array is given it will add all styles
+ */
+function translation($app): void {
+	Util::addTranslations($app);
+}
+
+/**
+ * make \OCP\IURLGenerator::linkTo available as a simple function
+ * @param string $app app
+ * @param string $file file
+ * @param array $args array with param=>value, will be appended to the returned url
+ * @return string link to the file
+ *
+ * For further information have a look at \OCP\IURLGenerator::linkTo
+ */
+function link_to($app, $file, $args = []) {
+	return Server::get(IURLGenerator::class)->linkTo($app, $file, $args);
+}
+
+/**
+ * @param string $key
+ * @return string url to the online documentation
+ */
+function link_to_docs($key) {
+	return Server::get(IURLGenerator::class)->linkToDocs($key);
+}
+
+/**
+ * make \OCP\IURLGenerator::imagePath available as a simple function
+ * @param string $app app
+ * @param string $image image
+ * @return string link to the image
+ *
+ * For further information have a look at \OCP\IURLGenerator::imagePath
+ */
+function image_path($app, $image) {
+	return Server::get(IURLGenerator::class)->imagePath($app, $image);
+}
+
+/**
+ * make mimetypeIcon available as a simple function
+ * @param string $mimetype mimetype
+ * @return string link to the image
+ */
+function mimetype_icon($mimetype) {
+	return Server::get(IMimeTypeDetector::class)->mimeTypeIcon($mimetype);
+}
+
+/**
+ * make preview_icon available as a simple function
+ * Returns the path to the preview of the image.
+ * @param string $path path of file
+ * @return string link to the preview
+ */
+function preview_icon($path) {
+	return Server::get(IURLGenerator::class)->linkToRoute('core.Preview.getPreview', ['x' => 32, 'y' => 32, 'file' => $path]);
+}
+
+/**
+ * @param string $path
+ * @param string $token
+ * @return string
+ */
+function publicPreview_icon($path, $token) {
+	return Server::get(IURLGenerator::class)->linkToRoute('files_sharing.PublicPreview.getPreview', ['x' => 32, 'y' => 32, 'file' => $path, 'token' => $token]);
+}
+
+/**
+ * make Util::humanFileSize available as a simple function
+ * @param int $bytes size in bytes
+ * @return string size as string
+ * @deprecated use Util::humanFileSize instead
+ *
+ * For further information have a look at Util::humanFileSize
+ */
+function human_file_size($bytes) {
+	return Util::humanFileSize($bytes);
+}
+
+/**
+ * Strips the timestamp of its time value
+ * @param int $timestamp UNIX timestamp to strip
+ * @return int timestamp without time value
+ */
+function strip_time($timestamp) {
+	$date = new \DateTime("@{$timestamp}");
+	$date->setTime(0, 0, 0);
+	return (int)$date->format('U');
+}
+
+/**
+ * Formats timestamp relatively to the current time using
+ * a human-friendly format like "x minutes ago" or "yesterday"
+ * @param int $timestamp timestamp to format
+ * @param int|null $fromTime timestamp to compare from, defaults to current time
+ * @param bool|null $dateOnly whether to strip time information
+ * @return string timestamp
+ */
+function relative_modified_date($timestamp, $fromTime = null, $dateOnly = false): string {
+	$formatter = Server::get(IDateTimeFormatter::class);
+
+	if ($dateOnly) {
+		return $formatter->formatDateSpan($timestamp, $fromTime);
+	}
+	return $formatter->formatTimeSpan($timestamp, $fromTime);
+}
+
+/**
+ * @param array $options
+ * @param string[]|string $selected
+ * @param array $params
+ */
+function html_select_options($options, $selected, $params = []): string {
+	if (!is_array($selected)) {
+		$selected = [$selected];
+	}
+	if (isset($params['combine']) && $params['combine']) {
+		$options = array_combine($options, $options);
+	}
+	$value_name = $label_name = false;
+	if (isset($params['value'])) {
+		$value_name = $params['value'];
+	}
+	if (isset($params['label'])) {
+		$label_name = $params['label'];
+	}
+	$html = '';
+	foreach ($options as $value => $label) {
+		if ($value_name && is_array($label)) {
+			$value = $label[$value_name];
+		}
+		if ($label_name && is_array($label)) {
+			$label = $label[$label_name];
+		}
+		$select = in_array($value, $selected) ? ' selected="selected"' : '';
+		$html .= '<option value="' . Util::sanitizeHTML($value) . '"' . $select . '>' . Util::sanitizeHTML($label) . '</option>' . "\n";
+	}
+	return $html;
+}