Drupal modules for browsing and managing Fedora-based digital repositories.
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<?php
/**
* @file fedora_repository.install
*/
/**
* Implementation of hook_enable().
*/
function fedora_collections_enable() {
//nothing to do as we do not currently touch the drupal database.
//other than the variables table
}
/**
* Implementation of hook_requirements().
*
* @return
* An array describing the status of the site regarding available updates.
* If there is no update data, only one record will be returned, indicating
* that the status of core can't be determined. If data is available, there
* will be two records: one for core, and another for all of contrib
* (assuming there are any contributed modules or themes enabled on the
* site). In addition to the fields expected by hook_requirements ('value',
* 'severity', and optionally 'description'), this array will contain a
* 'reason' attribute, which is an integer constant to indicate why the
* given status is being returned (UPDATE_NOT_SECURE, UPDATE_NOT_CURRENT, or
* UPDATE_UNKNOWN). This is used for generating the appropriate e-mail
* notification messages during update_cron(), and might be useful for other
* modules that invoke update_requirements() to find out if the site is up
* to date or not.
*
* @see _update_message_text()
* @see _update_cron_notify()
*/
function fedora_repository_requirements($phase) {
global $base_url;
$requirements = array();
if ($phase == 'install') {
// Test for SOAP
$requirements['fedora-soap']['title'] = t("PHP SOAP extension library");
if (!class_exists('SoapClient')) {
$requirements['fedora-soap']['value'] = t("Not installed");
$requirements['fedora-soap']['severity'] = REQUIREMENT_ERROR;
$requirements['fedora-soap']['description'] = t('Ensure that the PHP SOAP extension is installed.');
}
else {
$requirements['fedora-soap']['value'] = t("Installed");
$requirements['fedora-soap']['severity'] = REQUIREMENT_OK;
}
// Test for Curl
$requirements['curl']['title'] = "PHP Curl extension library";
if (!function_exists('curl_init')) {
$requirements['curl']['value'] = t("Not installed");
$requirements['curl']['severity'] = REQUIREMENT_ERROR;
$requirements['curl']['description'] = t("Ensure that the PHP Curl extension is installed.");
}
else {
$requirements['curl']['value'] = t("Installed");
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$requirements['curl']['severity'] = REQUIREMENT_OK;
}
// Test for DOM
$requirements['dom']['title'] = "PHP DOM XML extension library";
if (!method_exists('DOMDocument', 'loadHTML')) {
$requirements['dom']['value'] = t("Not installed");
$requirements['dom']['severity'] = REQUIREMENT_ERROR;
$requirements['dom']['description'] = t("Ensure that the PHP DOM XML extension is installed.");
}
else {
$requirements['dom']['value'] = t("Installed");
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$requirements['dom']['severity'] = REQUIREMENT_OK;
}
// Test for XSLT
$requirements['xsl']['title'] = "PHP XSL extension library";
if (!class_exists('XSLTProcessor')) {
$requirements['xslt']['value'] = t("Not installed");
$requirements['xslt']['severity'] = REQUIREMENT_ERROR;
$requirements['xslt']['description'] = t("Ensure that the PHP XSL extension is installed.");
}
else {
$requirements['xslt']['value'] = t("Installed");
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$requirements['xslt']['severity'] = REQUIREMENT_OK;
}
// Test for Imagick
system("hash convert 2>&-", $return_value);
$requirements['imagick']['title'] = t("Image Magick library");
if ($return_value) {
$requirements['imagick']['value'] = t("Not installed");
$requirements['imagick']['severity'] = REQUIREMENT_ERROR;
$requirements['imagick']['description'] = t('Ensure that the Image Magick library is installed.');
}
else {
$requirements['imagick']['value'] = t("Installed");
$requirements['imagick']['severity'] = REQUIREMENT_OK;
}
// Test for Kakadu
system("hash kdu_compress 2>&-", $return_value);
$requirements['kakadu']['title'] = t("Kakadu library");
if ($return_value) {
$requirements['kakadu']['value'] = t("Not installed");
$requirements['kakadu']['severity'] = REQUIREMENT_ERROR;
$requirements['kakadu']['description'] = t('Ensure that the Kakadu library is installed.');
}
else {
$requirements['kakadu']['value'] = t("Installed");
$requirements['kakadu']['severity'] = REQUIREMENT_OK;
}
}
elseif ($phase == 'runtime') {
module_load_include('inc', 'fedora_repository', 'api/fedora_utils');
$requirements['fedora-repository']['title'] = t("Fedora server");
if (!fedora_available()) {
$requirements['fedora-repository']['value'] = t("Not available");
$requirements['fedora-repository']['severity'] = REQUIREMENT_ERROR;
$requirements['fedora-repository']['description'] = t('Ensure that Fedora is running and that the <a href="@collection-settings">collection settings</a> are correct.', array('@collection-settings' => $base_url . '/admin/settings/fedora_repository'));
}
else {
$requirements['fedora-repository']['value'] = t("Available");
$requirements['fedora-repository']['severity'] = REQUIREMENT_OK;
}
// Check for ImageMagick
$requirements['fedora-imagemagick']['title'] = t("ImageMagick convert in \$PATH");
$result = exec('convert');
if (!$result) {
$requirements['fedora-imagemagick']['value'] = t('Not in $PATH');
$requirements['fedora-imagemagick']['description'] = t('Islandora will not be able to create thumbnails. Ensure that <a href="www.imagemagick.org/">ImageMagick</a> is installed and the convert command is executable by the web server user.');
$requirements['fedora-imagemagick']['severity'] = REQUIREMENT_WARNING;
}
else {
$requirements['fedora-imagemagick']['value'] = t("Available");
$requirements['fedora-imagemagick']['severity'] = REQUIREMENT_OK;
}
$requirements['fedora-kakadu']['title'] = 'Kakadu kdu_compress in $PATH';
$kdu_res = exec('kdu_compress -v');
if (!$kdu_res) {
$requirements['fedora-kakadu']['value'] = ('Not in $PATH');
$requirements['fedora-kakadu']['description'] = t('Islandora cannot convert TIFF image files to JPEG2000 format. Ensure <a href="http://www.kakadusoftware.com/">Kakadu</a> is installed and the kdu_compress command is executable by the web server user.');
$requirements['fedora-kakadu']['severity'] = REQUIREMENT_WARNING;
}
else {
$requirements['fedora-kakadu']['value'] = t("Available");
$requirements['fedora-kakadu']['severity'] = REQUIREMENT_OK;
}
}
return $requirements;
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}