#847 Removing </> in text

src/config.js

@@ -0,0 +1,6 @@
+let config
+
+export const setConfig = conf => {
+  config = conf
+}
+export const getConfig = () => config

src/diagrams/flowchart/flowDb.js

@@ -2,7 +2,9 @@ import * as d3 from 'd3'
 
 import { logger } from '../../logger'
 import utils from '../../utils'
+import { getConfig } from '../../config'
 
+const config = getConfig()
 let vertices = {}
 let edges = []
 let classes = []
@@ -13,6 +15,16 @@ let subCount = 0
 let direction
 // Functions to be run after graph rendering
 let funs = []
+
+const sanitize = text => {
+  let txt = text
+  txt = txt.replace(/<br>/g, '#br#')
+  txt = txt.replace(/<br\S*\/>/g, '#br#')
+  txt = txt.replace(/</g, '&lt;').replace(/>/g, '&gt;')
+  txt = txt.replace(/#br#/g, '<br/>')
+  return txt
+}
+
 /**
  * Function called by parser when a node definition has been found
  * @param id
@@ -35,7 +47,7 @@ export const addVertex = function (id, text, type, style, classes) {
     vertices[id] = { id: id, styles: [], classes: [] }
   }
   if (typeof text !== 'undefined') {
-    txt = text.trim()
+    txt = sanitize(text.trim())
 
     // strip quotes if string starts and exnds with a quote
     if (txt[0] === '"' && txt[txt.length - 1] === '"') {
@@ -76,7 +88,7 @@ export const addLink = function (start, end, type, linktext) {
   linktext = type.text
 
   if (typeof linktext !== 'undefined') {
-    edge.text = linktext.trim()
+    edge.text = sanitize(linktext.trim())
 
     // strip quotes if string starts and exnds with a quote
     if (edge.text[0] === '"' && edge.text[edge.text.length - 1] === '"') {
@@ -172,6 +184,9 @@ const setTooltip = function (ids, tooltip) {
 }
 
 const setClickFun = function (id, functionName) {
+  if (config.strictSecurity) {
+    return
+  }
   if (typeof functionName === 'undefined') {
     return
   }
@@ -335,6 +350,7 @@ export const addSubGraph = function (id, list, title) {
 
   id = id || ('subGraph' + subCount)
   title = title || ''
+  title = sanitize(title)
   subCount = subCount + 1
   const subGraph = { id: id, nodes: nodeList, title: title.trim(), classes: [] }
   subGraphs.push(subGraph)

src/diagrams/flowchart/parser/flow.spec.js

@@ -1333,7 +1333,7 @@ describe('when parsing ', function () {
       const edges = flow.parser.yy.getEdges()
 
       expect(vert['C'].type).toBe('round')
-      expect(vert['C'].text).toBe('Chimpansen hoppar åäö  <br> -  ÅÄÖ')
+      expect(vert['C'].text).toBe('Chimpansen hoppar åäö  <br/> -  ÅÄÖ')
     })
         // xit('it should handle åäö, minus and space and br',function(){
         //    const res = flow.parser.parse('graph TD; A[Object&#40;foo,bar&#41;]-->B(Thing);');
@@ -1460,7 +1460,7 @@ describe('when parsing ', function () {
 
     expect(edges.length).toBe(0)
     expect(vert['a'].type).toBe('diamond')
-    expect(vert['a'].text).toBe('A <br> end')
+    expect(vert['a'].text).toBe('A <br/> end')
   })
   it('should handle a single round node with html in it', function () {
         // Silly but syntactically correct
@@ -1471,7 +1471,7 @@ describe('when parsing ', function () {
 
     expect(edges.length).toBe(0)
     expect(vert['a'].type).toBe('round')
-    expect(vert['a'].text).toBe('A <br> end')
+    expect(vert['a'].text).toBe('A <br/> end')
   })
   it('should handle a single node with alphanumerics starting on a char', function () {
         // Silly but syntactically correct
@@ -1573,7 +1573,7 @@ describe('when parsing ', function () {
   })
 
   describe('special characters should be be handled.', function () {
-    const charTest = function (char) {
+    const charTest = function (char, result) {
       const res = flow.parser.parse('graph TD;A(' + char + ')-->B;')
 
       const vert = flow.parser.yy.getVertices()
@@ -1581,7 +1581,11 @@ describe('when parsing ', function () {
 
       expect(vert['A'].id).toBe('A')
       expect(vert['B'].id).toBe('B')
-      expect(vert['A'].text).toBe(char)
+      if(result){
+        expect(vert['A'].text).toBe(result)
+      }else{
+        expect(vert['A'].text).toBe(char)
+      }
     }
 
     it('it should be able to parse a \'.\'', function () {
@@ -1614,16 +1618,19 @@ describe('when parsing ', function () {
     })
 
     it('it should be able to parse a \'<\'', function () {
-      charTest('<')
+      charTest('<','&lt;')
     })
 
     it('it should be able to parse a \'>\'', function () {
-      charTest('>')
+      charTest('>','&gt;')
     })
 
     it('it should be able to parse a \'=\'', function () {
       charTest('=')
     })
+    it('it should be able to parse a \'&\'', function () {
+      charTest('&')
+    })
   })
 
   it('should be possible to declare a class', function () {

src/diagrams/gantt/ganttDb.js

@@ -1,7 +1,9 @@
 import moment from 'moment-mini'
 import { logger } from '../../logger'
 import * as d3 from 'd3'
+import { getConfig } from '../../config'
 
+const config = getConfig()
 let dateFormat = ''
 let axisFormat = ''
 let excludes = []
@@ -62,10 +64,12 @@ export const getExcludes = function () {
 }
 
 export const setTitle = function (txt) {
+  console.log('Setting title ', txt)
   title = txt
 }
 
 export const getTitle = function () {
+  console.log('Title is ', title)
   return title
 }
 
@@ -451,6 +455,9 @@ export const setClass = function (ids, className) {
 }
 
 const setClickFun = function (id, functionName, functionArgs) {
+  if (config.strictSecurity) {
+    return
+  }
   if (typeof functionName === 'undefined') {
     return
   }

src/diagrams/gantt/parser/gantt.js

@@ -71,7 +71,7 @@
     recoverable: (boolean: TRUE when the parser has a error recovery rule available for this particular error)
   }
 */
-var gantt = (function(){
+var parser = (function(){
 var o=function(k,v,o,l){for(o=o||{},l=k.length;l--;o[k[l]]=v);return o},$V0=[6,8,10,11,12,13,14,15,16,18,20],$V1=[1,9],$V2=[1,10],$V3=[1,11],$V4=[1,12],$V5=[1,13],$V6=[1,14],$V7=[1,16],$V8=[1,17];
 var parser = {trace: function trace () { },
 yy: {},
@@ -191,15 +191,18 @@ parse: function parse(input) {
         vstack.length = vstack.length - n;
         lstack.length = lstack.length - n;
     }
-    _token_stack:
-        var lex = function () {
+            function lex() {
             var token;
-            token = lexer.lex() || EOF;
+            token = tstack.pop() || lexer.lex() || EOF;
             if (typeof token !== 'number') {
+                if (token instanceof Array) {
+                    tstack = token;
+                    token = tstack.pop();
+                }
                 token = self.symbols_[token] || token;
             }
             return token;
-        };
+        }
     var symbol, preErrorSymbol, state, action, a, r, yyval = {}, p, len, newState, expected;
     while (true) {
         state = stack[stack.length - 1];
@@ -211,27 +214,27 @@ parse: function parse(input) {
             }
             action = table[state] && table[state][symbol];
         }
-                    if (typeof action === 'undefined' || !action.length || !action[0]) {
-                var errStr = '';
-                expected = [];
-                for (p in table[state]) {
-                    if (this.terminals_[p] && p > TERROR) {
-                        expected.push('\'' + this.terminals_[p] + '\'');
-                    }
+        if (typeof action === 'undefined' || !action.length || !action[0]) {
+            var errStr = '';
+            expected = [];
+            for (p in table[state]) {
+                if (this.terminals_[p] && p > TERROR) {
+                    expected.push('\'' + this.terminals_[p] + '\'');
                 }
-                if (lexer.showPosition) {
-                    errStr = 'Parse error on line ' + (yylineno + 1) + ':\n' + lexer.showPosition() + '\nExpecting ' + expected.join(', ') + ', got \'' + (this.terminals_[symbol] || symbol) + '\'';
-                } else {
-                    errStr = 'Parse error on line ' + (yylineno + 1) + ': Unexpected ' + (symbol == EOF ? 'end of input' : '\'' + (this.terminals_[symbol] || symbol) + '\'');
-                }
-                this.parseError(errStr, {
-                    text: lexer.match,
-                    token: this.terminals_[symbol] || symbol,
-                    line: lexer.yylineno,
-                    loc: yyloc,
-                    expected: expected
-                });
             }
+            if (lexer.showPosition) {
+                errStr = 'Parse error on line ' + (yylineno + 1) + ':\n' + lexer.showPosition() + '\nExpecting ' + expected.join(', ') + ', got \'' + (this.terminals_[symbol] || symbol) + '\'';
+            } else {
+                errStr = 'Parse error on line ' + (yylineno + 1) + ': Unexpected ' + (symbol == EOF ? 'end of input' : '\'' + (this.terminals_[symbol] || symbol) + '\'');
+            }
+            this.parseError(errStr, {
+                text: lexer.match,
+                token: this.terminals_[symbol] || symbol,
+                line: lexer.yylineno,
+                loc: yyloc,
+                expected: expected
+            });
+        }
         if (action[0] instanceof Array && action.length > 1) {
             throw new Error('Parse Error: multiple actions possible at state: ' + state + ', token: ' + symbol);
         }
@@ -703,9 +706,9 @@ return new Parser;
 
 
 if (typeof require !== 'undefined' && typeof exports !== 'undefined') {
-exports.parser = gantt;
-exports.Parser = gantt.Parser;
-exports.parse = function () { return gantt.parse.apply(gantt, arguments); };
+exports.parser = parser;
+exports.Parser = parser.Parser;
+exports.parse = function () { return parser.parse.apply(parser, arguments); };
 exports.main = function commonjsMain (args) {
     if (!args[1]) {
         console.log('Usage: '+args[0]+' FILE');

src/mermaidAPI.js

@@ -14,7 +14,7 @@
 import * as d3 from 'd3'
 import scope from 'scope-css'
 import pkg from '../package.json'
-
+import { setConfig } from './config'
 import { logger, setLogLevel } from './logger'
 import utils from './utils'
 import flowRenderer from './diagrams/flowchart/flowRenderer'
@@ -77,6 +77,11 @@ const config = {
    */
   logLevel: 5,
 
+  /**
+   * **strictSecurity** A boolean flag setting the level of trust to be used on the parsed diagrams. When set to true the click functionality is disabled.
+   */
+  strictSecurity: false,
+
   /**
    * **startOnLoad** - This options controls whether or mermaid starts when the page loads
    */
@@ -240,6 +245,7 @@ const config = {
 }
 
 setLogLevel(config.logLevel)
+setConfig(config)
 
 function parse (text) {
   const graphType = utils.detectType(text)