install: fix bug #436 and small typo

Function check_htaccess() don't perform check if curl is not installed.
This was leading to wsod beacuse check_htaccess() uses fetch_url().

diff --git a/mod/install.php b/mod/install.php
old mode 100644 (file)
new mode 100755 (executable)
index 6d6232a..cb21a71
--- a/mod/install.php
+++ b/mod/install.php
@@ -184,15 +184,16 @@ function install_content(&$a) {
 
                        check_php($phpath, $checks);
 
-                       check_htaccess($checks);
-                       
+            check_htaccess($checks);
+            
                        function check_passed($v, $c){
                                if ($c['required'])
                                        $v = $v && $c['status'];
                                return $v;
                        }
                        $checkspassed = array_reduce($checks, "check_passed", true);
-                       
+               
+
 
                        $tpl = get_markup_template('install_checks.tpl');
                        $o .= replace_macros($tpl, array(
@@ -381,6 +382,7 @@ function check_funcs(&$checks) {
                        check_add($ck_funcs, t('Apache mod_rewrite module'), true, true, "");
                }
        }
+
        if(! function_exists('curl_init')){
                $ck_funcs[0]['status']= false;
                $ck_funcs[0]['help']= t('Error: libCURL PHP module required but not installed.');
@@ -421,21 +423,26 @@ function check_htconfig(&$checks) {
                $help .= t('At the end of this procedure, we will give you a text to save in a file named .htconfig.php in your Friendica top folder.').EOL;
                $help .= t('You can alternatively skip this procedure and perform a manual installation. Please see the file "INSTALL.txt" for instructions.').EOL; 
        }
-
+    
        check_add($checks, t('.htconfig.php is writable'), $status, false, $help);
-       
+
 }
 
 function check_htaccess(&$checks) {
        $a = get_app();
        $status = true;
        $help = "";
-       $test = fetch_url($a->get_baseurl()."/install/testrewrite");
-       if ($test!="ok") {
-               $status = false;
-               $help = t('Url rewrite in .htconfig is not working. Check your server configuration.');
-       }
-       check_add($checks, t('Url rewrite is working'), $status, true, $help);
+       if (function_exists('curl_init')){
+        $test = fetch_url($a->get_baseurl()."/install/testrewrite");
+        if ($test!="ok") {
+            $status = false;
+            $help = t('Url rewrite in .htaccess is not working. Check your server configuration.');
+        }
+        check_add($checks, t('Url rewrite is working'), $status, true, $help); 
+    } else {
+        // cannot check modrewrite if libcurl is not installed
+    }
+       
 }