Enhanced rich text

CHANGELOG.md

@@ -28,16 +28,23 @@ The present file will list all changes made to the project; according to the
 #### Deprecated
 - Usage of `GLPI_FORCE_EMPTY_SQL_MODE` constant
 - Usage of `CommonDBTM::notificationqueueonaction` property
+- Usage of `NotificationTarget::html_tags` property
 - `DBmysql::getTableSchema()`
 - `Calendar::duplicate()`
 - `CommonDBTM::clone()`
 - `CommonDBTM::prepareInputForClone()`
 - `CommonDBTM::post_clone()`
 - `Config::getCache()`
+- `Html::clean()`
+- `Html::setSimpleTextContent()`
 - `Html::setRichTextContent()`
+- `Html::weblink_extract()`
 - `RuleImportComputer` class
 - `RuleImportComputerCollection` class
+- `Toolbox::doubleEncodeEmails()`
+- `Toolbox::getHtmlToDisplay()`
 - `Toolbox::useCache()`
+- `Toolbox::unclean_html_cross_side_scripting_deep()`
 
 #### Removed
 - `Update::declareOldItems()`

ajax/compareKbRevisions.php

@@ -34,6 +34,8 @@
  * @since 9.1
  */
 
+use Glpi\Toolbox\RichText;
+
 include ('../inc/includes.php');
 header("Content-Type: application/json; charset=UTF-8");
 Html::header_nocache();
@@ -52,14 +54,14 @@ $revision = new KnowbaseItem_Revision();
 $revision->getFromDB($oldid);
 $old = [
    'name'   => $revision->fields['name'],
-   'answer' => Toolbox::unclean_html_cross_side_scripting_deep($revision->fields['answer'])
+   'answer' => RichText::getSafeHtml($revision->fields['answer'], true)
 ];
 
 $revision = $diffid == 0 ? new KnowbaseItem() : new KnowbaseItem_Revision();
 $revision->getFromDB($diffid == 0 ? $kbid : $diffid);
 $diff = [
    'name'   => $revision->fields['name'],
-   'answer' => Toolbox::unclean_html_cross_side_scripting_deep($revision->fields['answer'])
+   'answer' => RichText::getSafeHtml($revision->fields['answer'], true)
 ];
 
 echo json_encode([

ajax/getKbRevision.php

@@ -34,6 +34,8 @@
  * @since 9.1
  */
 
+use Glpi\Toolbox\RichText;
+
 include ('../inc/includes.php');
 header("Content-Type: application/json; charset=UTF-8");
 Html::header_nocache();
@@ -50,7 +52,7 @@ $revision = new KnowbaseItem_Revision();
 $revision->getFromDB($revid);
 $rev = [
    'name'   => $revision->fields['name'],
-   'answer' => html_entity_decode($revision->fields['answer'])
+   'answer' => RichText::getSafeHtml($revision->fields['answer'], true)
 ];
 
 echo json_encode($rev);

ajax/itilfollowup.php

@@ -34,6 +34,8 @@
  * @since 9.5
  */
 
+use Glpi\Toolbox\RichText;
+
 $AJAX_INCLUDE = 1;
 
 include ('../inc/includes.php');
@@ -47,6 +49,11 @@ if (isset($_POST['itilfollowuptemplates_id'])
    $template = new ITILFollowupTemplate();
    $template->getFromDB($_POST['itilfollowuptemplates_id']);
 
-   $template->fields = array_map('html_entity_decode', $template->fields);
-   echo json_encode($template->fields);
+   echo json_encode(
+      [
+         'content'         => RichText::getSafeHtml($template->fields['content'], true),
+         'requesttypes_id' => $template->fields['requesttypes_id'],
+         'is_private'      => $template->fields['is_private'],
+      ]
+   );
 }

ajax/solution.php

@@ -30,6 +30,8 @@
  * ---------------------------------------------------------------------
  */
 
+use Glpi\Toolbox\RichText;
+
 $AJAX_INCLUDE = 1;
 
 include ('../inc/includes.php');
@@ -44,7 +46,7 @@ if (isset($_POST['solutiontemplates_id']) && $_POST['solutiontemplates_id'] > 0)
 
    echo json_encode(
       [
-         'content'          => Toolbox::unclean_cross_side_scripting_deep($template->fields['content']),
+         'content'          => RichText::getSafeHtml($template->fields['content'], true),
          'solutiontypes_id' => $template->fields['solutiontypes_id'],
       ]
    );

composer.json

@@ -28,6 +28,7 @@
         "glpi-project/inventory_format": "^1.0",
         "guzzlehttp/guzzle": "^7.2",
         "guzzlehttp/psr7": "^1.6",
+        "html2text/html2text": "^4.3",
         "htmlawed/htmlawed": "^1.2",
         "iamcal/lib_autolink": "^1.7",
         "laminas/laminas-cache": "^2.10",

composer.lock

@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "5acd42ee96b63ebc1502a2ad3ceeb813",
+    "content-hash": "087449288541ba61dffffff4cc7ce073",
     "packages": [
         {
             "name": "blueimp/jquery-file-upload",
@@ -499,6 +499,47 @@
             },
             "time": "2021-04-26T09:17:50+00:00"
         },
+        {
+            "name": "html2text/html2text",
+            "version": "4.3.1",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/mtibben/html2text.git",
+                "reference": "61ad68e934066a6f8df29a3d23a6460536d0855c"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/mtibben/html2text/zipball/61ad68e934066a6f8df29a3d23a6460536d0855c",
+                "reference": "61ad68e934066a6f8df29a3d23a6460536d0855c",
+                "shasum": ""
+            },
+            "require-dev": {
+                "phpunit/phpunit": "~4"
+            },
+            "suggest": {
+                "ext-mbstring": "For best performance",
+                "symfony/polyfill-mbstring": "If you can't install ext-mbstring"
+            },
+            "type": "library",
+            "autoload": {
+                "psr-4": {
+                    "Html2Text\\": [
+                        "src/",
+                        "test/"
+                    ]
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "GPL-2.0-or-later"
+            ],
+            "description": "Converts HTML to formatted plain text",
+            "support": {
+                "issues": "https://github.com/mtibben/html2text/issues",
+                "source": "https://github.com/mtibben/html2text/tree/4.3.1"
+            },
+            "time": "2020-04-16T23:44:31+00:00"
+        },
         {
             "name": "htmlawed/htmlawed",
             "version": "1.2.5",

css/print.css

@@ -502,10 +502,6 @@ li.auto_comp {
    width:550px;
 }
 
-#kbanswer ul {
-   padding-left: 15px;
-}
-
 .tdkb_result {
    vertical-align:top;
    text-align:left;

css/styles.scss

@@ -311,6 +311,53 @@ hr {
 /* ################--------------- Rich Text ---------------#################### */
 
 .rich_text_container {
+   p {
+      margin: 1.12em 0;
+   }
+
+   h1 {
+      font-size: 2em;
+      margin: 0.67em 0;
+   }
+
+   h2 {
+      font-size: 1.5em;
+      margin: .75em 0;
+      font-weight: bolder;
+   }
+
+   h3 {
+      font-size: 1.17em;
+      margin: .83em 0;
+      font-weight: bolder;
+   }
+
+   h4 {
+      margin: 1.12em 0;
+      font-weight: bolder;
+   }
+
+   h5 {
+      font-size: .83em;
+      margin: 1.5em 0;
+      font-weight: bolder;
+   }
+
+   h6 {
+      font-size: .75em;
+      margin: 1.67em 0;
+      font-weight: bolder;
+   }
+
+   address {
+      font-style: italic;
+   }
+
+   pre {
+      font-family: monospace;
+      white-space: pre;
+   }
+
    ul {
       list-style-type: disc;
       margin: 1em 0;
@@ -347,6 +394,10 @@ hr {
       }
    }
 
+   img {
+      max-width: 100%;
+   }
+
    .user-mention, [data-user-mention="true"] {
       border-radius: 3px;
       padding: 5px;
@@ -1804,7 +1855,13 @@ td, th {
 /* ################--------------- User Picture ---------------#################### */
 
 .qtip {
-   max-width: 380px !important;
+   max-width: none;
+
+   .qtip-content {
+      max-height: 250px;
+      max-width: 400px;
+      overflow: auto;
+   }
 }
 
 .tooltip {
@@ -2010,54 +2067,6 @@ img.picture_square {
 }
 
 #kbanswer {
-   ul {
-      padding-left: 15px;
-      list-style-type: circle;
-   }
-
-   ol {
-      padding-left: 15px;
-      list-style-type: decimal;
-   }
-
-   p {
-      margin: 1.12em 0;
-   }
-
-   h1 {
-      font-size: 2em;
-      margin: 0.67em 0;
-   }
-
-   h2 {
-      font-size: 1.5em;
-      margin: .75em 0;
-      font-weight: bolder;
-   }
-
-   h3 {
-      font-size: 1.17em;
-      margin: .83em 0;
-      font-weight: bolder;
-   }
-
-   h4 {
-      margin: 1.12em 0;
-      font-weight: bolder;
-   }
-
-   h5 {
-      font-size: .83em;
-      margin: 1.5em 0;
-      font-weight: bolder;
-   }
-
-   h6 {
-      font-size: .75em;
-      margin: 1.67em 0;
-      font-weight: bolder;
-   }
-
    h1:target, h2:target, h3:target, h4:target, h5:target, h6:target {
       background-color: #fff2a8;
    }
@@ -2075,15 +2084,6 @@ img.picture_square {
    h1:hover svg, h2:hover svg, h3:hover svg, h4:hover svg, h5:hover svg, h6:hover svg {
       visibility: visible;
    }
-
-   address {
-      font-style: italic;
-   }
-
-   pre {
-      font-family: monospace;
-      white-space: pre;
-   }
 }
 
 .tdkb_result {
@@ -7133,11 +7133,6 @@ div.progress {
 }
 /** /style for relations **/
 
-// Fix line breaks in pasted rich text
-.rich_text_container pre, .rich_text_container span {
-   white-space: pre-wrap;
-}
-
 .log-toolbar {
    padding-right: 8px !important;
 

inc/api/api.class.php

@@ -266,7 +266,7 @@ abstract class API {
 
       // login on glpi
       if (!$auth->login($params['login'], $params['password'], $noAuto, false, $params['auth'])) {
-         $err = Html::clean($auth->getErr());
+         $err = Toolbox::stripTags($auth->getErr());
          if (isset($params['user_token'])
              && !empty($params['user_token'])) {
             return $this->returnError(__("parameter user_token seems invalid"), 401, "ERROR_GLPI_LOGIN_USER_TOKEN", false);
@@ -2192,7 +2192,7 @@ abstract class API {
       // clean html
       foreach ($messages_after_redirect as $messages) {
          foreach ($messages as $message) {
-            $all_messages[] = Html::clean($message);
+            $all_messages[] = Toolbox::stripTags($message);
          }
       }
 
@@ -2341,11 +2341,7 @@ abstract class API {
 
                // expand dropdown
                if ($params['expand_dropdowns']) {
-                  $value = Dropdown::getDropdownName($tablename, $value);
-                  // fix value for inexistent items
-                  if ($value == " ") {
-                     $value = "";
-                  }
+                  $value = Dropdown::getDropdownName($tablename, $value, false, true, false, '');
                }
             }
          }

inc/caldav/backend/calendar.class.php

@@ -323,8 +323,7 @@ class Calendar extends AbstractBackend {
          $input['uuid'] = Uuid::uuid4();
       }
 
-      $input = \Html::entities_deep($input);
-      $input = \Toolbox::addslashes_deep($input);
+      $input = \Toolbox::sanitize($input);
 
       if ($item->isNewItem()) {
          // Auto set entities_id if exists and not set

inc/caldav/traits/vobjectconvertertrait.class.php

@@ -32,6 +32,7 @@
 
 namespace Glpi\CalDAV\Traits;
 
+use Glpi\Toolbox\RichText;
 use RRule\RRule;
 use Sabre\VObject\Component;
 use Sabre\VObject\Component\VCalendar;
@@ -95,7 +96,7 @@ trait VobjectConverterTrait {
          $vcomp = $vcalendar->add($component_type);
       }
 
-      $fields = \Html::entity_decode_deep($item->fields);
+      $fields = \Toolbox::unclean_cross_side_scripting_deep($item->fields);
       $utc_tz = new \DateTimeZone('UTC');
 
       if (array_key_exists('uuid', $fields)) {
@@ -117,10 +118,15 @@ trait VobjectConverterTrait {
          $vcomp->SUMMARY = $fields['name'];
       }
 
+      $description = null;
       if (array_key_exists('content', $fields)) {
-         $vcomp->DESCRIPTION = $fields['content'];
+         $description = $fields['content'];
       } else if (array_key_exists('text', $fields)) {
-         $vcomp->DESCRIPTION = $fields['text'];
+         $description = $fields['text'];
+      }
+      if ($description !== null) {
+         // Transform HTML text to plain text
+         $vcomp->DESCRIPTION = RichText::getTextFromHtml($description, true, false);
       }
 
       $vcomp->URL = $CFG_GLPI['url_base'] . $this->getFormURLWithID($fields['id'], false);
@@ -243,6 +249,9 @@ trait VobjectConverterTrait {
       }
 
       $input['rrule'] = $this->getRRuleInputFromVComponent($vcomponent);
+      if ($input['rrule'] === null) {
+         $input['rrule'] = 'NULL'; // Ensure rrule is set to null on update.
+      }
 
       $state = $this->getStateInputFromVComponent($vcomponent);
       if ($state !== null) {
@@ -267,8 +276,11 @@ trait VobjectConverterTrait {
       }
 
       $content = $vcomponent->DESCRIPTION->getValue();
-      $content = nl2br($content);
-      $content = str_replace(["\n", "\r"], ['', ''], $content);
+
+      // Content is handled as plain text in CalDAV client and will be handled as rich text on GLPI side,
+      // so special chars have to be encoded in html entities.
+      $content = \Html::entities_deep($content);
+
       return $content;
    }
 

inc/certificate.class.php

@@ -521,7 +521,7 @@ class Certificate extends CommonDBTM {
       echo "<tr class='tab_bg_1'>";
       echo "<td>" . __('Expiration date');
       echo "&nbsp;";
-      Html::showToolTip(nl2br(__('Empty for infinite')));
+      Html::showToolTip(__('Empty for infinite'));
       echo "&nbsp;</td>";
       echo "<td>";
       Html::showDateField('date_expiration', ['value' => $this->fields["date_expiration"]]);

inc/change.class.php

@@ -34,6 +34,8 @@ if (!defined('GLPI_ROOT')) {
    die("Sorry. You can't access this file directly");
 }
 
+use Glpi\Toolbox\RichText;
+
 /**
  * Change Class
 **/
@@ -1174,8 +1176,6 @@ class Change extends CommonITILObject {
          $content = Html::cleanPostForTextArea($content);
       }
 
-      $content = Toolbox::getHtmlToDisplay($content);
-
       echo "<div id='content$rand_text'>";
       if ($canupdate) {
          $uploads = [];
@@ -1190,12 +1190,14 @@ class Change extends CommonITILObject {
             'required'        => $tt->isMandatoryField('content'),
             'rows'            => $rows,
             'enable_richtext' => true,
-            'value'           => Html::entities_deep($content), // Re-encode entities for textarea
+            'value'           => RichText::getSafeHtml($content, true, true),
             'uploads'         => $uploads,
          ]);
          Html::activateUserMentions($content_id);
       } else {
-         echo $content;
+         echo '<div class="rich_text_container">';
+         echo RichText::getSafeHtml($content, true);
+         echo '</div>';
       }
       echo "</div>";
 

inc/commondbtm.class.php

@@ -32,6 +32,7 @@
 
 use Glpi\Event;
 use Glpi\Features\CacheableListInterface;
+use Glpi\Toolbox\RichText;
 
 if (!defined('GLPI_ROOT')) {
    die("Sorry. You can't access this file directly");
@@ -4673,16 +4674,11 @@ class CommonDBTM extends CommonGLPI {
                   return $value;
 
                case "text" :
-
-                  if ($options['html']) {
-                     $text = nl2br($value);
-                  } else {
-                     $text = $value;
-                  }
                   if (isset($searchoptions['htmltext']) && $searchoptions['htmltext']) {
-                     $text = Html::clean(Toolbox::unclean_cross_side_scripting_deep($text));
+                     $value = RichText::getTextFromHtml($value, true, true);
                   }
-                  return $text;
+
+                  return $options['html'] ? nl2br($value) : $value;
 
                case "bool" :
                   return Dropdown::getYesNo($value);
@@ -4909,13 +4905,18 @@ class CommonDBTM extends CommonGLPI {
                return Html::autocompletionTextField($this, $name, $options);
 
             case "text" :
+               $is_htmltext = isset($searchoptions['htmltext']) && $searchoptions['htmltext'];
+               if ($is_htmltext) {
+                  $value = RichText::getSafeHtml($value, true, true);
+               }
+
                return Html::textarea(
                   [
                      'display'           => false,
                      'name'              => $name,
                      'value'             => $value,
                      'enable_fileupload' => false,
-                     'enable_richtext'   => isset($searchoptions['htmltext']) && $searchoptions['htmltext'],
+                     'enable_richtext'   => $is_htmltext,
                      // For now, this textarea is displayed only in the "update" massive action form, for fields
                      // corresponding to a search option having "htmltext" property.
                      // Uploaded images processing is not able to handle multiple use of same uploaded file, so until this is fixed,

inc/commondropdown.class.php

@@ -34,6 +34,8 @@ if (!defined('GLPI_ROOT')) {
    die("Sorry. You can't access this file directly");
 }
 
+use Glpi\Toolbox\RichText;
+
 /// CommonDropdown class - generic dropdown
 abstract class CommonDropdown extends CommonDBTM {
 
@@ -473,7 +475,7 @@ abstract class CommonDropdown extends CommonDBTM {
             case 'tinymce':
                Html::textarea([
                   'name'            => $field['name'],
-                  'value'           => $this->fields[$field['name']],
+                  'value'           => RichText::getSafeHtml($this->fields[$field['name']], true, true),
                   'enable_richtext' => true,
                   'enable_images'   => !($field['disable_images'] ?? false),
                ]);

inc/commonitilobject.class.php

@@ -34,6 +34,8 @@ if (!defined('GLPI_ROOT')) {
    die("Sorry. You can't access this file directly");
 }
 
+use Glpi\Toolbox\RichText;
+
 /**
  * CommonITILObject Class
 **/
@@ -116,18 +118,13 @@ abstract class CommonITILObject extends CommonDBTM {
    /**
     * Retrieve an item from the database with datas associated (hardwares)
     *
-    * @param integer $ID          ID of the item to get
-    * @param boolean $purecontent true : nothing change / false : convert to HTML display
+    * @param integer $ID ID of the item to get
     *
     * @return boolean true if succeed else false
    **/
-   function getFromDBwithData($ID, $purecontent) {
+   function getFromDBwithData($ID) {
 
       if ($this->getFromDB($ID)) {
-         if (!$purecontent) {
-            $this->fields["content"] = nl2br(preg_replace("/\r\n\r\n/", "\r\n",
-                                             $this->fields["content"]));
-         }
          $this->getAdditionalDatas();
          return true;
       }
@@ -1579,15 +1576,23 @@ abstract class CommonITILObject extends CommonDBTM {
       $input["name"]    = ltrim($input["name"]);
       $input['content'] = ltrim($input['content']);
       if (empty($input["name"])) {
-         $input['name'] = Html::clean(Html::entity_decode_deep($input['content']));
-         $input["name"] = preg_replace('/\\r\\n/', ' ', $input['name']);
-         $input["name"] = preg_replace('/\\n/', ' ', $input['name']);
-         // For mailcollector
-         $input["name"] = preg_replace('/\\\\r\\\\n/', ' ', $input['name']);
-         $input["name"] = preg_replace('/\\\\n/', ' ', $input['name']);
-         $input['name'] = Toolbox::stripslashes_deep($input['name']);
-         $input["name"] = Toolbox::substr($input['name'], 0, 70);
-         $input['name'] = Toolbox::addslashes_deep($input['name']);
+         // Build name based on content
+
+         // Unsanitize
+         //
+         // Using `Toolbox::stripslashes_deep()` on sanitized content will produce "r" and "n" instead of "\r" and \n",
+         // so newlines have to be removed before calling it.
+         $content = str_replace(['\r', '\n'], ' ', $input['content']);
+         $content = Toolbox::stripslashes_deep(Toolbox::unclean_cross_side_scripting_deep($content));
+
+         // Get unformatted text
+         $name = RichText::getTextFromHtml($content, false);
+
+         // Shorten result
+         $name = Toolbox::substr(preg_replace('/\s{2,}/', ' ', $name), 0, 70);
+
+         // Sanitize result
+         $input['name'] = Toolbox::clean_cross_side_scripting_deep(Toolbox::addslashes_deep($name));
       }
 
       // Set default dropdown
@@ -6242,7 +6247,7 @@ abstract class CommonITILObject extends CommonDBTM {