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graph_templates.php

<?php
/*
 +-------------------------------------------------------------------------+
 | Copyright (C) 2004 Ian Berry                                            |
 |                                                                         |
 | This program is free software; you can redistribute it and/or           |
 | modify it under the terms of the GNU General Public License             |
 | as published by the Free Software Foundation; either version 2          |
 | of the License, or (at your option) any later version.                  |
 |                                                                         |
 | This program is distributed in the hope that it will be useful,         |
 | but WITHOUT ANY WARRANTY; without even the implied warranty of          |
 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the           |
 | GNU General Public License for more details.                            |
 +-------------------------------------------------------------------------+
 | cacti: a php-based graphing solution                                    |
 +-------------------------------------------------------------------------+
 | Most of this code has been designed, written and is maintained by       |
 | Ian Berry. See about.php for specific developer credit. Any questions   |
 | or comments regarding this code should be directed to:                  |
 | - iberry@raxnet.net                                                     |
 +-------------------------------------------------------------------------+
 | - raXnet - http://www.raxnet.net/                                       |
 +-------------------------------------------------------------------------+
*/

include("./include/auth.php");
include_once("./lib/utility.php");
include_once("./lib/template.php");
include_once("./lib/tree.php");
include_once("./lib/html_tree.php");

define("MAX_DISPLAY_PAGES", 21);

$graph_actions = array(
      1 => "Delete",
      2 => "Duplicate"
      );

/* set default action */
if (!isset($_REQUEST["action"])) { $_REQUEST["action"] = ""; }

switch ($_REQUEST["action"]) {
      case 'save':
            form_save();

            break;
      case 'actions':
            form_actions();

            break;
      case 'template_remove':
            template_remove();

            header("Location: graph_templates.php");
            break;
      case 'input_remove':
            input_remove();

            header("Location: graph_templates.php?action=template_edit&id=" . $_GET["graph_template_id"]);
            break;
      case 'input_edit':
            include_once("./include/top_header.php");

            input_edit();

            include_once("./include/bottom_footer.php");
            break;
      case 'template_edit':
            include_once ("./include/top_header.php");

            template_edit();

            include_once ("./include/bottom_footer.php");
            break;
      default:
            include_once("./include/top_header.php");

            template();

            include_once("./include/bottom_footer.php");
            break;
}

/* --------------------------
    The Save Function
   -------------------------- */

function form_save() {
      if (isset($_POST["save_component_template"])) {
            $save1["id"] = $_POST["graph_template_id"];
            $save1["hash"] = get_hash_graph_template($_POST["graph_template_id"]);
            $save1["name"] = form_input_validate($_POST["name"], "name", "", false, 3);

            $save2["id"] = $_POST["graph_template_graph_id"];
            $save2["local_graph_template_graph_id"] = 0;
            $save2["local_graph_id"] = 0;
            $save2["t_image_format_id"] = (isset($_POST["t_image_format_id"]) ? $_POST["t_image_format_id"] : "");
            $save2["image_format_id"] = form_input_validate($_POST["image_format_id"], "image_format_id", "", true, 3);
            $save2["t_title"] = form_input_validate((isset($_POST["t_title"]) ? $_POST["t_title"] : ""), "t_title", "", true, 3);
            $save2["title"] = form_input_validate($_POST["title"], "title", "", (isset($_POST["t_title"]) ? true : false), 3);
            $save2["t_height"] = form_input_validate((isset($_POST["t_height"]) ? $_POST["t_height"] : ""), "t_height", "", true, 3);
            $save2["height"] = form_input_validate($_POST["height"], "height", "^[0-9]+$", (isset($_POST["t_height"]) ? true : false), 3);
            $save2["t_width"] = form_input_validate((isset($_POST["t_width"]) ? $_POST["t_width"] : ""), "t_width", "", true, 3);
            $save2["width"] = form_input_validate($_POST["width"], "width", "^[0-9]+$", (isset($_POST["t_width"]) ? true : false), 3);
            $save2["t_upper_limit"] = form_input_validate((isset($_POST["t_upper_limit"]) ? $_POST["t_upper_limit"] : ""), "t_upper_limit", "", true, 3);
            $save2["upper_limit"] = form_input_validate($_POST["upper_limit"], "upper_limit", "^(-?([0-9]+(\.[0-9]*)?|[0-9]*\.[0-9]+)([eE][+\-]?[0-9]+)?)|U$", (isset($_POST["t_upper_limit"]) ? true : false), 3);
            $save2["t_lower_limit"] = form_input_validate((isset($_POST["t_lower_limit"]) ? $_POST["t_lower_limit"] : ""), "t_lower_limit", "", true, 3);
            $save2["lower_limit"] = form_input_validate($_POST["lower_limit"], "lower_limit", "^(-?([0-9]+(\.[0-9]*)?|[0-9]*\.[0-9]+)([eE][+\-]?[0-9]+)?)|U$", (isset($_POST["t_lower_limit"]) ? true : false), 3);
            $save2["t_vertical_label"] = form_input_validate((isset($_POST["t_vertical_label"]) ? $_POST["t_vertical_label"] : ""), "t_vertical_label", "", true, 3);
            $save2["vertical_label"] = form_input_validate($_POST["vertical_label"], "vertical_label", "", true, 3);
            $save2["t_auto_scale"] = form_input_validate((isset($_POST["t_auto_scale"]) ? $_POST["t_auto_scale"] : ""), "t_auto_scale", "", true, 3);
            $save2["auto_scale"] = form_input_validate((isset($_POST["auto_scale"]) ? $_POST["auto_scale"] : ""), "auto_scale", "", true, 3);
            $save2["t_auto_scale_opts"] = form_input_validate((isset($_POST["t_auto_scale_opts"]) ? $_POST["t_auto_scale_opts"] : ""), "t_auto_scale_opts", "", true, 3);
            $save2["auto_scale_opts"] = form_input_validate($_POST["auto_scale_opts"], "auto_scale_opts", "", true, 3);
            $save2["t_auto_scale_log"] = form_input_validate((isset($_POST["t_auto_scale_log"]) ? $_POST["t_auto_scale_log"] : ""), "t_auto_scale_log", "", true, 3);
            $save2["auto_scale_log"] = form_input_validate((isset($_POST["auto_scale_log"]) ? $_POST["auto_scale_log"] : ""), "auto_scale_log", "", true, 3);
            $save2["t_auto_scale_rigid"] = form_input_validate((isset($_POST["t_auto_scale_rigid"]) ? $_POST["t_auto_scale_rigid"] : ""), "t_auto_scale_rigid", "", true, 3);
            $save2["auto_scale_rigid"] = form_input_validate((isset($_POST["auto_scale_rigid"]) ? $_POST["auto_scale_rigid"] : ""), "auto_scale_rigid", "", true, 3);
            $save2["t_auto_padding"] = form_input_validate((isset($_POST["t_auto_padding"]) ? $_POST["t_auto_padding"] : ""), "t_auto_padding", "", true, 3);
            $save2["auto_padding"] = form_input_validate((isset($_POST["auto_padding"]) ? $_POST["auto_padding"] : ""), "auto_padding", "", true, 3);
            $save2["t_base_value"] = form_input_validate((isset($_POST["t_base_value"]) ? $_POST["t_base_value"] : ""), "t_base_value", "", true, 3);
            $save2["base_value"] = form_input_validate($_POST["base_value"], "base_value", "^[0-9]+$", (isset($_POST["t_base_value"]) ? true : false), 3);
            $save2["t_export"] = form_input_validate((isset($_POST["t_export"]) ? $_POST["t_export"] : ""), "t_export", "", true, 3);
            $save2["export"] = form_input_validate((isset($_POST["export"]) ? $_POST["export"] : ""), "export", "", true, 3);
            $save2["t_unit_value"] = form_input_validate((isset($_POST["t_unit_value"]) ? $_POST["t_unit_value"] : ""), "t_unit_value", "", true, 3);
            $save2["unit_value"] = form_input_validate($_POST["unit_value"], "unit_value", "", true, 3);
            $save2["t_unit_exponent_value"] = form_input_validate((isset($_POST["t_unit_exponent_value"]) ? $_POST["t_unit_exponent_value"] : ""), "t_unit_exponent_value", "", true, 3);
            $save2["unit_exponent_value"] = form_input_validate($_POST["unit_exponent_value"], "unit_exponent_value", "^-?[0-9]+$", true, 3);

            if (!is_error_message()) {
                  $graph_template_id = sql_save($save1, "graph_templates");

                  if ($graph_template_id) {
                        raise_message(1);
                  }else{
                        raise_message(2);
                  }
            }

            if (!is_error_message()) {
                  $save2["graph_template_id"] = $graph_template_id;
                  $graph_template_graph_id = sql_save($save2, "graph_templates_graph");

                  if ($graph_template_graph_id) {
                        raise_message(1);

                        push_out_graph($graph_template_graph_id);
                  }else{
                        raise_message(2);
                  }
            }
      }

      if ((is_error_message()) || (empty($_POST["graph_template_id"]))) {
            header("Location: graph_templates.php?action=template_edit&id=" . (empty($graph_template_id) ? $_POST["graph_template_id"] : $graph_template_id));
      }else{
            header("Location: graph_templates.php");
      }
}

/* ------------------------
    The "actions" function
   ------------------------ */

function form_actions() {
      global $colors, $graph_actions;

      /* if we are to save this form, instead of display it */
      if (isset($_POST["selected_items"])) {
            $selected_items = unserialize(stripslashes($_POST["selected_items"]));

            if ($_POST["drp_action"] == "1") { /* delete */
                  db_execute("delete from graph_templates where " . array_to_sql_or($selected_items, "id"));

                  $graph_template_input = db_fetch_assoc("select id from graph_template_input where " . array_to_sql_or($selected_items, "graph_template_id"));

                  if (sizeof($graph_template_input) > 0) {
                  foreach ($graph_template_input as $item) {
                        db_execute("delete from graph_template_input_defs where graph_template_input_id=" . $item["id"]);
                  }
                  }

                  db_execute("delete from graph_template_input where " . array_to_sql_or($selected_items, "graph_template_id"));
                  db_execute("delete from graph_templates_graph where " . array_to_sql_or($selected_items, "graph_template_id") . " and local_graph_id=0");
                  db_execute("delete from graph_templates_item where " . array_to_sql_or($selected_items, "graph_template_id") . " and local_graph_id=0");
                  db_execute("delete from host_template_graph where " . array_to_sql_or($selected_items, "graph_template_id"));

                  /* "undo" any graph that is currently using this template */
                  db_execute("update graph_templates_graph set local_graph_template_graph_id=0,graph_template_id=0 where " . array_to_sql_or($selected_items, "graph_template_id"));
                  db_execute("update graph_templates_item set local_graph_template_item_id=0,graph_template_id=0 where " . array_to_sql_or($selected_items, "graph_template_id"));
                  db_execute("update graph_local set graph_template_id=0 where " . array_to_sql_or($selected_items, "graph_template_id"));
            }elseif ($_POST["drp_action"] == "2") { /* duplicate */
                  for ($i=0;($i<count($selected_items));$i++) {
                        /* ================= input validation ================= */
                        input_validate_input_number($selected_items[$i]);
                        /* ==================================================== */

                        duplicate_graph(0, $selected_items[$i], $_POST["title_format"]);
                  }
            }

            header("Location: graph_templates.php");
            exit;
      }

      /* setup some variables */
      $graph_list = ""; $i = 0;

      /* loop through each of the graphs selected on the previous page and get more info about them */
      while (list($var,$val) = each($_POST)) {
            if (ereg("^chk_([0-9]+)$", $var, $matches)) {
                  /* ================= input validation ================= */
                  input_validate_input_number($matches[1]);
                  /* ==================================================== */

                  $graph_list .= "<li>" . db_fetch_cell("select name from graph_templates where id=" . $matches[1]) . "<br>";
                  $graph_array[$i] = $matches[1];
            }

            $i++;
      }

      include_once("./include/top_header.php");

      html_start_box("<strong>" . $graph_actions{$_POST["drp_action"]} . "</strong>", "60%", $colors["header_panel"], "3", "center", "");

      print "<form action='graph_templates.php' method='post'>\n";

      if ($_POST["drp_action"] == "1") { /* delete */
            print "     <tr>
                        <td class='textArea' bgcolor='#" . $colors["form_alternate1"]. "'>
                              <p>Are you sure you want to delete the following graph templates? Any graphs attached
                              to these templates will become individual graphs.</p>
                              <p>$graph_list</p>
                        </td>
                  </tr>\n
                  ";
      }elseif ($_POST["drp_action"] == "2") { /* duplicate */
            print "     <tr>
                        <td class='textArea' bgcolor='#" . $colors["form_alternate1"]. "'>
                              <p>When you click save, the following graph templates will be duplicated. You can
                              optionally change the title format for the new graph templates.</p>
                              <p>$graph_list</p>
                              <p><strong>Title Format:</strong><br>"; form_text_box("title_format", "<template_title> (1)", "", "255", "30", "text"); print "</p>
                        </td>
                  </tr>\n
                  ";
      }

      if (!isset($graph_array)) {
            print "<tr><td bgcolor='#" . $colors["form_alternate1"]. "'><span class='textError'>You must select at least one graph template.</span></td></tr>\n";
            $save_html = "";
      }else{
            $save_html = "<input type='image' src='images/button_yes.gif' alt='Save' align='absmiddle'>";
      }

      print "     <tr>
                  <td align='right' bgcolor='#eaeaea'>
                        <input type='hidden' name='action' value='actions'>
                        <input type='hidden' name='selected_items' value='" . (isset($graph_array) ? serialize($graph_array) : '') . "'>
                        <input type='hidden' name='drp_action' value='" . $_POST["drp_action"] . "'>
                        <a href='graph_templates.php'><img src='images/button_no.gif' alt='Cancel' align='absmiddle' border='0'></a>
                        $save_html
                  </td>
            </tr>
            ";

      html_end_box();

      include_once("./include/bottom_footer.php");
}

function item() {
      global $colors, $consolidation_functions, $graph_item_types;

      /* ================= input validation ================= */
      input_validate_input_number(get_request_var("id"));
      /* ==================================================== */

      if (empty($_GET["id"])) {
            $template_item_list = array();

            $header_label = "[new]";
      }else{
            $template_item_list = db_fetch_assoc("select
                  graph_templates_item.id,
                  graph_templates_item.text_format,
                  graph_templates_item.value,
                  graph_templates_item.hard_return,
                  graph_templates_item.graph_type_id,
                  graph_templates_item.consolidation_function_id,
                  CONCAT_WS(' - ',data_template_data.name,data_template_rrd.data_source_name) as data_source_name,
                  cdef.name as cdef_name,
                  colors.hex
                  from graph_templates_item
                  left join data_template_rrd on (graph_templates_item.task_item_id=data_template_rrd.id)
                  left join data_local on (data_template_rrd.local_data_id=data_local.id)
                  left join data_template_data on (data_local.id=data_template_data.local_data_id)
                  left join cdef on (cdef_id=cdef.id)
                  left join colors on (color_id=colors.id)
                  where graph_templates_item.graph_template_id=" . $_GET["id"] . "
                  and graph_templates_item.local_graph_id=0
                  order by graph_templates_item.sequence");

            $header_label = "[edit: " . db_fetch_cell("select name from graph_templates where id=" . $_GET["id"]) . "]";
      }

      html_start_box("<strong>Graph Template Items</strong> $header_label", "98%", $colors["header"], "3", "center", "graph_templates_items.php?action=item_edit&graph_template_id=" . $_GET["id"]);
      draw_graph_items_list($template_item_list, "graph_templates_items.php", "graph_template_id=" . $_GET["id"], false);
      html_end_box();

      html_start_box("<strong>Graph Item Inputs</strong>", "98%", $colors["header"], "3", "center", "graph_templates_inputs.php?action=input_edit&graph_template_id=" . $_GET["id"]);

      print "<tr bgcolor='#" . $colors["header_panel"] . "'>";
            DrawMatrixHeaderItem("Name",$colors["header_text"],2);
      print "</tr>";

      $template_item_list = db_fetch_assoc("select id,name from graph_template_input where graph_template_id=" . $_GET["id"] . " order by name");

      $i = 0;
      if (sizeof($template_item_list) > 0) {
      foreach ($template_item_list as $item) {
            form_alternate_row_color($colors["alternate"],$colors["light"],$i);
      ?>
                  <td>
                        <a class="linkEditMain" href="graph_templates_inputs.php?action=input_edit&id=<?php print $item["id"];?>&graph_template_id=<?php print $_GET["id"];?>"><?php print $item["name"];?></a>
                  </td>
                  <td align="right">
                        <a href="graph_templates_inputs.php?action=input_remove&id=<?php print $item["id"];?>&graph_template_id=<?php print $_GET["id"];?>"><img src="images/delete_icon.gif" width="10" height="10" border="0" alt="Delete"></a>
                  </td>
            </tr>
      <?php
      $i++;
      }
      }else{
            print "<tr bgcolor='#" . $colors["form_alternate2"] . "'><td colspan='2'><em>No Inputs</em></td></tr>";
      }

      html_end_box();
}

/* ----------------------------
    template - Graph Templates
   ---------------------------- */

function template_edit() {
      global $colors, $struct_graph, $image_types, $fields_graph_template_template_edit;

      /* ================= input validation ================= */
      input_validate_input_number(get_request_var("id"));
      /* ==================================================== */

      /* graph item list goes here */
      if (!empty($_GET["id"])) {
            item();
      }

      if (!empty($_GET["id"])) {
            $template = db_fetch_row("select * from graph_templates where id=" . $_GET["id"]);
            $template_graph = db_fetch_row("select * from graph_templates_graph where graph_template_id=" . $_GET["id"] . " and local_graph_id=0");

            $header_label = "[edit: " . $template["name"] . "]";
      }else{
            $header_label = "[new]";
      }

      html_start_box("<strong>Template</strong> $header_label", "98%", $colors["header"], "3", "center", "");

      draw_edit_form(array(
            "config" => array(),
            "fields" => inject_form_variables($fields_graph_template_template_edit, (isset($template) ? $template : array()), (isset($template_graph) ? $template_graph : array()))
            ));

      html_end_box();

      html_start_box("<strong>Graph Template</strong>", "98%", $colors["header"], "3", "center", "");

      $form_array = array();

      while (list($field_name, $field_array) = each($struct_graph)) {
            $form_array += array($field_name => $struct_graph[$field_name]);

            $form_array[$field_name]["value"] = (isset($template_graph) ? $template_graph[$field_name] : "");
            $form_array[$field_name]["form_id"] = (isset($template_graph) ? $template_graph["id"] : "0");
            $form_array[$field_name]["description"] = "";
            $form_array[$field_name]["sub_checkbox"] = array(
                  "name" => "t_" . $field_name,
                  "friendly_name" => "Use Per-Graph Value (Ignore this Value)",
                  "value" => (isset($template_graph) ? $template_graph{"t_" . $field_name} : "")
                  );
      }

      draw_edit_form(
            array(
                  "config" => array(
                        ),
                  "fields" => $form_array
                  )
            );

      html_end_box();

      form_save_button("graph_templates.php");
}

function template() {
      global $colors, $graph_actions;

      /* ================= input validation ================= */
      input_validate_input_number(get_request_var_request("page"));
      /* ==================================================== */

      /* clean up search string */
      if (isset($_REQUEST["filter"])) {
            $_REQUEST["filter"] = sanitize_search_string(get_request_var("filter"));
      }

      /* if the user pushed the 'clear' button */
      if (isset($_REQUEST["clear_x"])) {
            kill_session_var("sess_graph_template_current_page");
            kill_session_var("sess_graph_template_filter");

            unset($_REQUEST["page"]);
            unset($_REQUEST["filter"]);
      }

      /* remember these search fields in session vars so we don't have to keep passing them around */
      load_current_session_value("page", "sess_graph_template_current_page", "1");
      load_current_session_value("filter", "sess_graph_template_filter", "");

      html_start_box("<strong>Graph Templates</strong>", "98%", $colors["header"], "3", "center", "graph_templates.php?action=template_edit");

      include("./include/html/inc_graph_template_filter_table.php");

      html_end_box();

      /* form the 'where' clause for our main sql query */
      $sql_where = "where (graph_templates.name like '%%" . $_REQUEST["filter"] . "%%')";

      html_start_box("", "98%", $colors["header"], "3", "center", "");

      $total_rows = db_fetch_cell("select
            COUNT(graph_templates.id)
            from graph_templates
            $sql_where");

      $template_list = db_fetch_assoc("select
            graph_templates.id,graph_templates.name
            from graph_templates
            $sql_where
            order by name
            limit " . (read_config_option("num_rows_device")*($_REQUEST["page"]-1)) . "," . read_config_option("num_rows_device"));

      /* generate page list */
      $url_page_select = get_page_list($_REQUEST["page"], MAX_DISPLAY_PAGES, read_config_option("num_rows_device"), $total_rows, "graph_templates.php?filter=" . $_REQUEST["filter"]);

      $nav = "<tr bgcolor='#" . $colors["header"] . "'>
            <td colspan='7'>
                  <table width='100%' cellspacing='0' cellpadding='0' border='0'>
                        <tr>
                              <td align='left' class='textHeaderDark'>
                                    <strong>&lt;&lt; "; if ($_REQUEST["page"] > 1) { $nav .= "<a class='linkOverDark' href='graph_templates.php?filter=" . $_REQUEST["filter"] . "&page=" . ($_REQUEST["page"]-1) . "'>"; } $nav .= "Previous"; if ($_REQUEST["page"] > 1) { $nav .= "</a>"; } $nav .= "</strong>
                              </td>\n
                              <td align='center' class='textHeaderDark'>
                                    Showing Rows " . ((read_config_option("num_rows_device")*($_REQUEST["page"]-1))+1) . " to " . ((($total_rows < read_config_option("num_rows_device")) || ($total_rows < (read_config_option("num_rows_device")*$_REQUEST["page"]))) ? $total_rows : (read_config_option("num_rows_device")*$_REQUEST["page"])) . " of $total_rows [$url_page_select]
                              </td>\n
                              <td align='right' class='textHeaderDark'>
                                    <strong>"; if (($_REQUEST["page"] * read_config_option("num_rows_device")) < $total_rows) { $nav .= "<a class='linkOverDark' href='graph_templates.php?filter=" . $_REQUEST["filter"] . "&page=" . ($_REQUEST["page"]+1) . "'>"; } $nav .= "Next"; if (($_REQUEST["page"] * read_config_option("num_rows_device")) < $total_rows) { $nav .= "</a>"; } $nav .= " &gt;&gt;</strong>
                              </td>\n
                        </tr>
                  </table>
            </td>
            </tr>\n";

      print $nav;

      html_header_checkbox(array("Template Title"));

      $i = 0;
      if (sizeof($template_list) > 0) {
            foreach ($template_list as $template) {
                  form_alternate_row_color($colors["alternate"],$colors["light"],$i);
                        ?>
                  <td>
                        <a class="linkEditMain" href="graph_templates.php?action=template_edit&id=<?php print $template["id"];?>"><?php print eregi_replace("(" . preg_quote($_REQUEST["filter"]) . ")", "<span style='background-color: #F8D93D;'>\\1</span>", $template["name"]);?></a>
                  </td>
                  <td style="<?php print get_checkbox_style();?>" width="1%" align="right">
                        <input type='checkbox' style='margin: 0px;' name='chk_<?php print $template["id"];?>' title="<?php print $template["name"];?>">
                  </td>
                  </tr>
                  <?php
                  $i++;
            }
            /* put the nav bar on the bottom as well */
            print $nav;
      }else{
            print "<tr><td><em>No Graph Templates</em></td></tr>\n";
      }
      html_end_box(false);

      /* draw the dropdown containing a list of available actions for this form */
      draw_actions_dropdown($graph_actions);

      print "</form>\n";
}

?>

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