From ab887f8de9c878810c2782d66522a0a531d70054 Mon Sep 17 00:00:00 2001
From: John Okely <john@moodle.com>
Date: Fri, 13 Jan 2017 10:52:24 +0800
Subject: [PATCH] MDL-57613 enrol_lti: Allow longer nonces

---
 enrol/lti/db/install.xml |  4 ++--
 enrol/lti/db/upgrade.php | 13 +++++++++++++
 enrol/lti/version.php    |  2 +-
 3 files changed, 16 insertions(+), 3 deletions(-)

diff --git a/enrol/lti/db/install.xml b/enrol/lti/db/install.xml
index e2d1f9ed0b0..c724a4be149 100644
--- a/enrol/lti/db/install.xml
+++ b/enrol/lti/db/install.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<XMLDB PATH="enrol/lti/db" VERSION="20160809" COMMENT="XMLDB file for Moodle enrol/lti"
+<XMLDB PATH="enrol/lti/db" VERSION="20170113" COMMENT="XMLDB file for Moodle enrol/lti"
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
     xsi:noNamespaceSchemaLocation="../../../lib/xmldb/xmldb.xsd"
 >
@@ -116,7 +116,7 @@
       <FIELDS>
         <FIELD NAME="id" TYPE="int" LENGTH="11" NOTNULL="true" SEQUENCE="true"/>
         <FIELD NAME="consumerid" TYPE="int" LENGTH="11" NOTNULL="true" SEQUENCE="false"/>
-        <FIELD NAME="value" TYPE="char" LENGTH="32" NOTNULL="true" SEQUENCE="false"/>
+        <FIELD NAME="value" TYPE="char" LENGTH="64" NOTNULL="true" SEQUENCE="false"/>
         <FIELD NAME="expires" TYPE="int" LENGTH="10"  NOTNULL="true" SEQUENCE="false"/>
       </FIELDS>
       <KEYS>
diff --git a/enrol/lti/db/upgrade.php b/enrol/lti/db/upgrade.php
index 94a90cc9763..6023facfb3d 100644
--- a/enrol/lti/db/upgrade.php
+++ b/enrol/lti/db/upgrade.php
@@ -242,6 +242,19 @@ function xmldb_enrol_lti_upgrade($oldversion) {
         upgrade_plugin_savepoint(true, 2016052304, 'enrol', 'lti');
     }
 
+    if ($oldversion < 2017011300) {
+
+        // Changing precision of field value on table enrol_lti_lti2_nonce to (64).
+        $table = new xmldb_table('enrol_lti_lti2_nonce');
+        $field = new xmldb_field('value', XMLDB_TYPE_CHAR, '64', null, XMLDB_NOTNULL, null, null, 'consumerid');
+
+        // Launch change of precision for field value.
+        $dbman->change_field_precision($table, $field);
+
+        // Lti savepoint reached.
+        upgrade_plugin_savepoint(true, 2017011300, 'enrol', 'lti');
+    }
+
     // Automatically generated Moodle v3.2.0 release upgrade line.
     // Put any upgrade step following this.
 
diff --git a/enrol/lti/version.php b/enrol/lti/version.php
index 366f9253df2..11167f1072b 100644
--- a/enrol/lti/version.php
+++ b/enrol/lti/version.php
@@ -24,6 +24,6 @@
 
 defined('MOODLE_INTERNAL') || die();
 
-$plugin->version = 2016120500; // The current plugin version (Date: YYYYMMDDXX).
+$plugin->version = 2017011300; // The current plugin version (Date: YYYYMMDDXX).
 $plugin->requires = 2016112900; // Requires this Moodle version (3.1)
 $plugin->component = 'enrol_lti'; // Full name of the plugin (used for diagnostics).