Changeset 12200

Timestamp:

05/30/11 04:14:58 (2 years ago)

Author:

mbrevda

Message:

re #4593 - add a function to help set crontabs more properly. Still a far cry from a proper cron manager, but better than nothing. Not sure this is the correct file, feel free to locate if you feel its nesesary

Files:

• freepbx/trunk/amp_conf/htdocs/admin/libraries/utility.functions.php (modified) (1 diff)

freepbx/trunk/amp_conf/htdocs/admin/libraries/utility.functions.php

@@ -363 +363 @@
-  return $contents;
-}
+
+/**
+ * function edit crontab
+ * short Add/removes stuff rom conrtab
+ * long Use this function to programmatically add/remove data from the crontab
+ * will always run as the asterisk user
+ *
+ * @pram string
+ * @pram mixed
+ * @returns bool
+ */
+
+function edit_crontab($remove = '', $add = '') {
+  global $amp_conf;
+  $cron_out = array();
+  $cron_add = false;
+
+  //if were running as root (i.e. uid === 0), use the asterisk users crontab. If were running as the asterisk user, 
+  //that will happen automatically. If were anyone else, this cron entry will go the current user
+  //and run as them
+  $current_user = posix_getpwuid(posix_geteuid());
+  if ($current_user['uid'] === 0) {
+    $cron_user = '-u' . $amp_conf['AMPASTERISKWEBUSER'] . ' ';
+  } else {
+    $cron_user = '';
+  }
+
+  //get all crontabs
+  $exec = '/usr/bin/crontab -l ' . $cron_user;
+  exec($exec, $cron_out, $ret);
+
+  //make sure the command was executed successfully before continuing
+  if ($ret > 0) {
+    return false;
+  }
+
+  //remove anythign that nteeds to be removed
+  foreach ($cron_out as $my => $c) {
+    //ignore comments
+    if (substr($c, 0, 1) == '#') {
+      continue;
+    }
+
+    //remove blank lines
+    if (!$c) {
+      unset($cron_out[$my]);
+    }
+
+    //remove $remove
+    if ($remove) {
+      if (strpos($c, $remove)) {
+        unset($cron_out[$my]);
+      }
+    }
+  }
+
+  //if we have $add and its an array, parse it & fill in the missing options
+  //if its a string, add it as is
+  if($add) {
+    if (is_array($add)) {
+      if (isset($add['command'])) {
+        $cron_add['minute']   = isset($add['minute']) ? $add['minute']  : '*';
+        $cron_add['hour']   = isset($add['hour']) ? $add['hour']    : '*';
+        $cron_add['dom']    = isset($add['dom'])  ? $add['dom']   : '*';
+        $cron_add['month']    = isset($add['month'])  ? $add['month']   : '*';
+        $cron_add['dow']    = isset($add['dow'])  ? $add['dow']   : '*';
+        $cron_add['command']  = $add['command'];
+        $cron_add = implode(' ', $cron_add);
+      } else {
+        //no command? No cron!
+        $cron_add = '';
+      }
+    } else {
+      //no array? Just use the string
+      $cron_add = $add;
+    }
+  }
+
+  //if we have soemthing to add
+  if ($cron_add) {
+    $cron_out[] = $cron_add;
+  }
+
+  //write out crontab
+  $exec = '/bin/echo "' . implode("\n", $cron_out) . '" | /usr/bin/crontab ' . $cron_user . '-';
+  exec($exec, $out_arr, $ret);
+
+  return ($ret > 0 ? false : true);
+}