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fix reference link impostors

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This commit is contained in:
David Chester 2019-05-25 17:07:17 +00:00 committed by SyntaxRules
parent b03e34ae4e
commit b432da1eee
3 changed files with 14 additions and 2 deletions
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9
src/subParsers/stripLinkDefinitions.js
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@ -6,14 +6,19 @@
showdown.subParser('stripLinkDefinitions', function (text, options, globals) {
'use strict';
var regex = /^ {0,3}\[(.+)]:[ \t]*\n?[ \t]*<?([^>\s]+)>?(?: =([*\d]+[A-Za-z%]{0,4})x([*\d]+[A-Za-z%]{0,4}))?[ \t]*\n?[ \t]*(?:(\n*)["|'(](.+?)["|')][ \t]*)?(?:\n+|(?=¨0))/gm,
base64Regex = /^ {0,3}\[(.+)]:[ \t]*\n?[ \t]*<?(data:.+?\/.+?;base64,[A-Za-z0-9+/=\n]+?)>?(?: =([*\d]+[A-Za-z%]{0,4})x([*\d]+[A-Za-z%]{0,4}))?[ \t]*\n?[ \t]*(?:(\n*)["|'(](.+?)["|')][ \t]*)?(?:\n\n|(?=¨0)|(?=\n\[))/gm;
var regex = /^ {0,3}\[([^\]]+)]:[ \t]*\n?[ \t]*<?([^>\s]+)>?(?: =([*\d]+[A-Za-z%]{0,4})x([*\d]+[A-Za-z%]{0,4}))?[ \t]*\n?[ \t]*(?:(\n*)["|'(](.+?)["|')][ \t]*)?(?:\n+|(?=¨0))/gm,
base64Regex = /^ {0,3}\[([^\]]+)]:[ \t]*\n?[ \t]*<?(data:.+?\/.+?;base64,[A-Za-z0-9+/=\n]+?)>?(?: =([*\d]+[A-Za-z%]{0,4})x([*\d]+[A-Za-z%]{0,4}))?[ \t]*\n?[ \t]*(?:(\n*)["|'(](.+?)["|')][ \t]*)?(?:\n\n|(?=¨0)|(?=\n\[))/gm;
// attacklab: sentinel workarounds for lack of \A and \Z, safari\khtml bug
text += '¨0';
var replaceFunc = function (wholeMatch, linkId, url, width, height, blankLines, title) {
// if there aren't two instances of linkId it must not be a reference link so back out
linkId = linkId.toLowerCase();
if (text.toLowerCase().split(linkId).length - 1 < 2) {
return wholeMatch;
}
if (url.match(/^data:.+?\/.+?;base64,/)) {
// remove newlines
globals.gUrls[linkId] = url.replace(/\s/g, '');

3
test/issues/reference-link-impostors.html Normal file
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@ -0,0 +1,3 @@
<p>[We] are going to show [you]: sunshine!</p>
<p>[x]: take out the garbage<br />
[ ]: bring up the coal</p>

4
test/issues/reference-link-impostors.md Normal file
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@ -0,0 +1,4 @@
[We] are going to show [you]: sunshine!
[x]: take out the garbage
[ ]: bring up the coal