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authorEvan Prodromou <evan@controlyourself.ca>2009-02-28 21:01:33 -0800
committerEvan Prodromou <evan@controlyourself.ca>2009-02-28 21:01:33 -0800
commit458c03786735bd3e3b6619b2d20538bd55acd0c6 (patch)
treec133f9f3c711ae1babccc1bcc12485194c776ec5
parent2ad667f704300dcb825a4822d567cbc8ebfebe02 (diff)
check some prereqs for installation
-rw-r--r--install.php55
1 files changed, 54 insertions, 1 deletions
diff --git a/install.php b/install.php
index a34214c48..18fc362b6 100644
--- a/install.php
+++ b/install.php
@@ -3,7 +3,11 @@ define('INSTALLDIR', dirname(__FILE__));
function main()
{
- checkPrereqs();
+ if (!checkPrereqs())
+ {
+ return;
+ }
+
if ($_SERVER['REQUEST_METHOD'] == 'POST') {
handlePost();
} else {
@@ -13,6 +17,55 @@ function main()
function checkPrereqs()
{
+ if (file_exists(INSTALLDIR.'/config.php')) {
+ ?><p class="error">Config file &quot;config.php&quot; already exists.</p>
+ <?
+ return false;
+ }
+
+ if (version_compare(PHP_VERSION, '5.0.0', '<')) {
+ ?><p class="error">Require PHP version 5 or greater.</p><?
+ return false;
+ }
+
+ $reqs = array('gd', 'mysql', 'curl',
+ 'xmlwriter', 'mbstring',
+ 'gettext');
+
+ foreach ($reqs as $req) {
+ if (!checkExtension($req)) {
+ ?><p class="error">Cannot load required extension &quot;<?= $req ?>&quot;.</p><?
+ return false;
+ }
+ }
+
+ if (!is_writable(INSTALLDIR)) {
+ ?><p class="error">Cannot write config file to &quot;<?= INSTALLDIR ?>&quot;.</p>
+ <p>On your server, try this command:</p>
+ <blockquote>chmod a+w <?= INSTALLDIR ?></blockquote>
+ <?
+ return false;
+ }
+
+ if (!is_writable(INSTALLDIR.'/avatar/')) {
+ ?><p class="error">Cannot write avatar directory &quot;<?= INSTALLDIR ?>/avatar/&quot;.</p>
+ <p>On your server, try this command:</p>
+ <blockquote>chmod a+w <?= INSTALLDIR ?>/avatar/</blockquote>
+ <?
+ return false;
+ }
+
+ return true;
+}
+
+function checkExtension($name)
+{
+ if (!extension_loaded($name)) {
+ if (!dl($name.'.so')) {
+ return false;
+ }
+ }
+ return true;
}
function showForm()