93 lines
2.7 KiB
Plaintext
93 lines
2.7 KiB
Plaintext
<?php
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/**
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* @file
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* Install, update and uninstall functions for the Plupload module.
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*/
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/**
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* Implements hook_requirements().
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*/
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function plupload_requirements($phase) {
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$requirements = array();
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if ($phase == 'runtime') {
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$requirements['plupload'] = array(
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'title' => t('Plupload library'),
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'value' => t('Unknown'),
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);
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$requirements['plupload']['severity'] = REQUIREMENT_OK;
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$libraries = plupload_library();
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$library = $libraries['plupload'];
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// Check if Plupload library exists. Try to determine it's version
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// if it does.
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if (!_plupload_requirements_installed()) {
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$message = 'The <a href="@url">@title</a> library (version @version or higher) is not installed.';
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$args = array(
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'@title' => $library['title'],
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'@url' => url($library['website']),
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'@version' => $library['version']
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);
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$requirements['plupload']['description'] = t($message, $args);
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$requirements['plupload']['severity'] = REQUIREMENT_ERROR;
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}
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elseif (($installed_version = _plupload_requirements_version()) === NULL) {
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$requirements['plupload']['description'] = t('Plupload version could not be determined.');
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$requirements['plupload']['severity'] = REQUIREMENT_INFO;
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}
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elseif (!version_compare($library['version'], $installed_version, '<=')) {
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$requirements['plupload']['description'] = t('Plupload @version or higher is required.', array('@version' => $library['version']));
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$requirements['plupload']['severity'] = REQUIREMENT_INFO;
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}
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$requirements['plupload']['value'] = empty($installed_version) ? t('Not found') : $installed_version;
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}
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return $requirements;
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}
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/**
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* Checks wether Plupload library exists or not.
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*
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* @return TRUE if plupload library installed, FALSE otherwise.
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*/
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function _plupload_requirements_installed() {
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$libraries = plupload_library();
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$library = $libraries['plupload'];
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// We grab the first file and check if it exists.
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$testfile = key($library['js']);
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if (!file_exists($testfile)) {
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return FALSE;
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}
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return TRUE;
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}
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/**
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* Returns the version of the installed plupload library.
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*
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* @return The version of installed Plupload or NULL if unable to detect
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* version.
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*/
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function _plupload_requirements_version() {
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$library_path = _plupload_library_path();
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$jspath = $library_path . '/js/plupload.js';
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// Read contents of Plupload's javascript file.
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$configcontents = @file_get_contents($jspath);
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if (!$configcontents) {
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return NULL;
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}
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// Search for version string using a regular expression.
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$matches = array();
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if (preg_match('#VERSION:\"(\d+[\.\d+]*)\"#', $configcontents, $matches)) {
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return $matches[1];
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}
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return NULL;
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}
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