installer: add ability to automatically save generated config.php

diff --git a/install/index.php b/install/index.php
index 9855bac7521f7131e7e333b767a55e4d02f51f7a..ba71bbdbaedbeb3d943a346e1796bd970938816a 100644 (file)
--- a/install/index.php
+++ b/install/index.php
@@ -107,6 +107,36 @@
                }
        }
 
+       function make_config($DB_TYPE, $DB_HOST, $DB_USER, $DB_NAME, $DB_PASS,
+                       $DB_PORT, $SELF_URL_PATH) {
+
+               $data = explode("\n", file_get_contents("../config.php-dist"));
+
+               $rv = "";
+
+               foreach ($data as $line) {
+                       if (preg_match("/define\('DB_TYPE'/", $line)) {
+                               $rv .= "\tdefine('DB_TYPE', '$DB_TYPE');\n";
+                       } else if (preg_match("/define\('DB_HOST'/", $line)) {
+                               $rv .= "\tdefine('DB_HOST', '$DB_HOST');\n";
+                       } else if (preg_match("/define\('DB_USER'/", $line)) {
+                               $rv .= "\tdefine('DB_USER', '$DB_USER');\n";
+                       } else if (preg_match("/define\('DB_NAME'/", $line)) {
+                               $rv .= "\tdefine('DB_NAME', '$DB_NAME');\n";
+                       } else if (preg_match("/define\('DB_PASS'/", $line)) {
+                               $rv .= "\tdefine('DB_PASS', '$DB_PASS');\n";
+                       } else if (preg_match("/define\('DB_PORT'/", $line)) {
+                               $rv .= "\tdefine('DB_PORT', '$DB_PORT');\n";
+                       } else if (preg_match("/define\('SELF_URL_PATH'/", $line)) {
+                               $rv .= "\tdefine('SELF_URL_PATH', '$SELF_URL_PATH');\n";
+                       } else {
+                               $rv .= "$line\n";
+                       }
+               }
+
+               return $rv;
+       }
+
        function db_query($link, $query, $type, $die_on_error = true) {
                if ($type == "pgsql") {
                        $result = pg_query($link, $query);
@@ -149,7 +179,7 @@
                require "../config.php";
 
                if (!defined('_INSTALLER_IGNORE_CONFIG_CHECK')) {
-                       print_error("Error: config.php already exists; aborting.");
+                       print_error("Error: config.php already exists in tt-rss directory; aborting.");
                        exit;
                }
        }
@@ -344,34 +374,62 @@
 
                        print "<h2>Generated configuration file</h2>";
 
-                       print "<p>Copy following text and save as <b>config.php</b> in tt-rss main directory. It is suggested to read through the file to the end in case you need any options changed fom default values.</p>";
-
-                       print "<textarea cols=\"80\" rows=\"20\" name=\"config\">";
-                       $data = explode("\n", file_get_contents("../config.php-dist"));
-
-                       foreach ($data as $line) {
-                               if (preg_match("/define\('DB_TYPE'/", $line)) {
-                                       echo "\tdefine('DB_TYPE', '$DB_TYPE');\n";
-                               } else if (preg_match("/define\('DB_HOST'/", $line)) {
-                                       echo "\tdefine('DB_HOST', '$DB_HOST');\n";
-                               } else if (preg_match("/define\('DB_USER'/", $line)) {
-                                       echo "\tdefine('DB_USER', '$DB_USER');\n";
-                               } else if (preg_match("/define\('DB_NAME'/", $line)) {
-                                       echo "\tdefine('DB_NAME', '$DB_NAME');\n";
-                               } else if (preg_match("/define\('DB_PASS'/", $line)) {
-                                       echo "\tdefine('DB_PASS', '$DB_PASS');\n";
-                               } else if (preg_match("/define\('DB_PORT'/", $line)) {
-                                       echo "\tdefine('DB_PORT', '$DB_PORT');\n";
-                               } else if (preg_match("/define\('SELF_URL_PATH'/", $line)) {
-                                       echo "\tdefine('SELF_URL_PATH', '$SELF_URL_PATH');\n";
-                               } else {
-                                       print "$line\n";
-                               }
+                       print "<p>Copy following text and save as <code>config.php</code> in tt-rss main directory. It is suggested to read through the file to the end in case you need any options changed fom default values.</p>";
+
+                       print "<p>After copying the file, you will be able to login with default username and password combination: <code>admin</code> and <code>password</code>. Don't forget to change the password immediately!</p>"; ?>
+
+                       <form action="" method="post">
+                               <input type="hidden" name="op" value="saveconfig">
+                               <input type="hidden" name="DB_USER" value="<?php echo $DB_USER ?>"/>
+                               <input type="hidden" name="DB_PASS" value="<?php echo $DB_PASS ?>"/>
+                               <input type="hidden" name="DB_NAME" value="<?php echo $DB_NAME ?>"/>
+                               <input type="hidden" name="DB_HOST" value="<?php echo $DB_HOST ?>"/>
+                               <input type="hidden" name="DB_PORT" value="<?php echo $DB_PORT ?>"/>
+                               <input type="hidden" name="DB_TYPE" value="<?php echo $DB_TYPE ?>"/>
+                               <input type="hidden" name="SELF_URL_PATH" value="<?php echo $SELF_URL_PATH ?>"/>
+                       <?php print "<textarea cols=\"80\" rows=\"20\">";
+                       echo make_config($DB_TYPE, $DB_HOST, $DB_USER, $DB_NAME, $DB_PASS,
+                               $DB_PORT, $SELF_URL_PATH);
+                       print "</textarea>"; ?>
+
+                       <?php if (is_writable("..")) { ?>
+                               <p>We can also try saving the file automatically now.</p>
+
+                               <p><input type="submit" value="Save configuration"></p>
+                               </form>
+                       <?php } else {
+                               print_error("Unfortunately, parent directory is not writable, so we're unable to save config.php automatically.");
                        }
 
-                       print "</textarea>";
+                  print_notice("You can generate the file again by changing the form above.");
+
+               } else if ($op == "saveconfig") {
+
+                       print "<h2>Saving configuration file to parent directory...</h2>";
+
+                       if (!file_exists("../config.php")) {
+
+                               $fp = fopen("../config.php", "w");
+
+                               if ($fp) {
+                                       $written = fwrite($fp, make_config($DB_TYPE, $DB_HOST,
+                                               $DB_USER, $DB_NAME, $DB_PASS,
+                                               $DB_PORT, $SELF_URL_PATH));
 
-                       print "<p>You can generate the file again by changing the form above.</p>";
+                                       if ($written > 0) {
+                                               print_notice("Successfully saved config.php. You can try <a href=\"..\">loading tt-rss now</a>.");
+
+                                       } else {
+                                               print_notice("Unable to write into config.php in tt-rss directory.");
+                                       }
+
+                                       fclose($fp);
+                               } else {
+                                       print_error("Unable to open config.php in tt-rss directory for writing.");
+                               }
+                       } else {
+                               print_error("config.php already present in tt-rss directory, refusing to overwrite.");
+                       }
                }
        ?>